fluoroscopy

Summary

Summary: Production of an image when x-rays strike a fluorescent screen.

Top Publications

  1. ncbi Effective dose of CT- and fluoroscopy-guided perineural/epidural injections of the lumbar spine: a comparative study
    Gebhard Schmid
    Department of Radiology and Nuclear Medicine, Johanna Etienne Krankenhaus, Neuss, Germany
    Cardiovasc Intervent Radiol 29:84-91. 2006
  2. ncbi Usefulness and complications of computed tomography-guided lipiodol marking for fluoroscopy-assisted thoracoscopic resection of small pulmonary nodules: experience with 174 nodules
    Ken ichi Watanabe
    Department of Thoracic Surgery, Saiseikai Central Hospital Tokyo, Tokyo, Japan
    J Thorac Cardiovasc Surg 132:320-4. 2006
  3. pmc Role of videofluoroscopy in evaluation of neurologic dysphagia
    M G Rugiu
    Otorhinolaryngology Unit, Universiy Hospital S ta Maria della Misericordia, Udine, Italy
    Acta Otorhinolaryngol Ital 27:306-16. 2007
  4. ncbi Incidence of and risk factors for pneumothorax and chest tube placement after CT fluoroscopy-guided percutaneous lung biopsy: retrospective analysis of the procedures conducted over a 9-year period
    Takao Hiraki
    Department of Radiology, Okayama University Medical School, 2 5 1 Shikatacho, Okayama 700 8558, Japan
    AJR Am J Roentgenol 194:809-14. 2010
  5. ncbi Clinical accuracy of three-dimensional fluoroscopy-based computer-assisted cervical pedicle screw placement: a retrospective comparative study of conventional versus computer-assisted cervical pedicle screw placement
    Yoshimoto Ishikawa
    Department of Spine and Orthopaedic Surgery, Konan Kosei Hospital, Konan City, Japan
    J Neurosurg Spine 13:606-11. 2010
  6. ncbi Circumferential pulmonary vein ablation with additional linear ablation results in an increased incidence of left atrial flutter compared with segmental pulmonary vein isolation as an initial approach to ablation of paroxysmal atrial fibrillation
    Navinder Sawhney
    Division of Cardiology, and Cardiac Electrophysiology Program, University of California, San Diego, School of Medicine, San Diego, CA 92103 8649, USA
    Circ Arrhythm Electrophysiol 3:243-8. 2010
  7. ncbi The prediction of persistent dysphagia beyond six months after stroke
    Tai Ryoon Han
    Department of Rehabilitation Medicine, Seoul National University Hospital, Seoul, Republic of Korea
    Dysphagia 23:59-64. 2008
  8. ncbi Feasibility and safety of remote-controlled magnetic navigation for ablation of atrial fibrillation
    William T Katsiyiannis
    Minneapolis Heart Institute Foundation, Minneapolis, Minnesota, USA
    Am J Cardiol 102:1674-6. 2008
  9. ncbi Assessment of pediatric dysphagia and feeding disorders: clinical and instrumental approaches
    Joan C Arvedson
    Children s Hospital of Wisconsin Milwaukee, Medical College of Wisconsin Milwaukee, Milwaukee, Wisconsin, USA
    Dev Disabil Res Rev 14:118-27. 2008
  10. ncbi Comparison of multidetector-row computed tomography to echocardiography and fluoroscopy for evaluation of patients with mechanical prosthetic valve obstruction
    Petr Symersky
    Department of Cardiothoracic Surgery, Isala Klinieken, Zwolle, The Netherlands
    Am J Cardiol 104:1128-34. 2009

Detail Information

Publications356 found, 100 shown here

  1. ncbi Effective dose of CT- and fluoroscopy-guided perineural/epidural injections of the lumbar spine: a comparative study
    Gebhard Schmid
    Department of Radiology and Nuclear Medicine, Johanna Etienne Krankenhaus, Neuss, Germany
    Cardiovasc Intervent Radiol 29:84-91. 2006
    ..Based on our clinical experience, 4-10 CT scans and 1-min fluoroscopy are appropriate...
  2. ncbi Usefulness and complications of computed tomography-guided lipiodol marking for fluoroscopy-assisted thoracoscopic resection of small pulmonary nodules: experience with 174 nodules
    Ken ichi Watanabe
    Department of Thoracic Surgery, Saiseikai Central Hospital Tokyo, Tokyo, Japan
    J Thorac Cardiovasc Surg 132:320-4. 2006
    ..In the present study we examined the usefulness and complications of computed tomography-guided lipiodol marking for thoracoscopic resection in our experience of 174 nodules...
  3. pmc Role of videofluoroscopy in evaluation of neurologic dysphagia
    M G Rugiu
    Otorhinolaryngology Unit, Universiy Hospital S ta Maria della Misericordia, Udine, Italy
    Acta Otorhinolaryngol Ital 27:306-16. 2007
    ....
  4. ncbi Incidence of and risk factors for pneumothorax and chest tube placement after CT fluoroscopy-guided percutaneous lung biopsy: retrospective analysis of the procedures conducted over a 9-year period
    Takao Hiraki
    Department of Radiology, Okayama University Medical School, 2 5 1 Shikatacho, Okayama 700 8558, Japan
    AJR Am J Roentgenol 194:809-14. 2010
    The objective of our study was to retrospectively evaluate the incidence of and the risk factors for pneumothorax and chest tube placement after CT fluoroscopy-guided lung biopsy.
  5. ncbi Clinical accuracy of three-dimensional fluoroscopy-based computer-assisted cervical pedicle screw placement: a retrospective comparative study of conventional versus computer-assisted cervical pedicle screw placement
    Yoshimoto Ishikawa
    Department of Spine and Orthopaedic Surgery, Konan Kosei Hospital, Konan City, Japan
    J Neurosurg Spine 13:606-11. 2010
    The authors performed a retrospective clinical study to evaluate the feasibility and accuracy of cervical pedicle screw (CPS) placement using 3D fluoroscopy-based navigation (3D FN).
  6. ncbi Circumferential pulmonary vein ablation with additional linear ablation results in an increased incidence of left atrial flutter compared with segmental pulmonary vein isolation as an initial approach to ablation of paroxysmal atrial fibrillation
    Navinder Sawhney
    Division of Cardiology, and Cardiac Electrophysiology Program, University of California, San Diego, School of Medicine, San Diego, CA 92103 8649, USA
    Circ Arrhythm Electrophysiol 3:243-8. 2010
    ..Therefore, we compared circumferential pulmonary vein ablation plus left atrial linear ablation (CPVA+LALA) with segmental pulmonary vein isolation (PVI)in patients with paroxysmal AF...
  7. ncbi The prediction of persistent dysphagia beyond six months after stroke
    Tai Ryoon Han
    Department of Rehabilitation Medicine, Seoul National University Hospital, Seoul, Republic of Korea
    Dysphagia 23:59-64. 2008
    ..At a scale cutoff value of 47, the sensitivity was 0.91 and the specificity was 0.92. The VDS was developed to be used as an objective and quantifiable predictor of long-term persistent dysphagia after stroke...
  8. ncbi Feasibility and safety of remote-controlled magnetic navigation for ablation of atrial fibrillation
    William T Katsiyiannis
    Minneapolis Heart Institute Foundation, Minneapolis, Minnesota, USA
    Am J Cardiol 102:1674-6. 2008
    ..for atrial fibrillation (AF) involves complex catheter manipulation resulting in prolonged procedure time and fluoroscopy exposure...
  9. ncbi Assessment of pediatric dysphagia and feeding disorders: clinical and instrumental approaches
    Joan C Arvedson
    Children s Hospital of Wisconsin Milwaukee, Medical College of Wisconsin Milwaukee, Milwaukee, Wisconsin, USA
    Dev Disabil Res Rev 14:118-27. 2008
    ..Successful oral feeding must be measured in quality of meal time experiences with best possible oral sensorimotor skills and safe swallowing while not jeopardizing a child's functional health status or the parent-child relationship...
  10. ncbi Comparison of multidetector-row computed tomography to echocardiography and fluoroscopy for evaluation of patients with mechanical prosthetic valve obstruction
    Petr Symersky
    Department of Cardiothoracic Surgery, Isala Klinieken, Zwolle, The Netherlands
    Am J Cardiol 104:1128-34. 2009
    For evaluation of prosthetic heart valve obstruction echocardiography and fluoroscopy provide primarily functional information but may not unequivocally establish the cause of dysfunction...
  11. ncbi Radiation dose reduction to medical staff during vertebroplasty: a review of techniques and methods to mitigate occupational dose
    Randell Kruger
    Department of Radiology, Marshfield Clinic, Marshfield, Wisconsin 54449, USA
    Spine (Phila Pa 1976) 28:1608-13. 2003
    ..Case crossover design was conducted...
  12. ncbi Robotic magnetic navigation for atrial fibrillation ablation
    Carlo Pappone
    Department of Electrophysiology, San Raffaele Scientific Institute, Milan, Italy
    J Am Coll Cardiol 47:1390-400. 2006
    ..We assessed feasibility of magnetic catheter guidance in patients with atrial fibrillation (AF) undergoing circumferential pulmonary vein ablation (CPVA)...
  13. ncbi Food transport and bolus formation during complete feeding sequences on foods of different initial consistency
    K M Hiiemae
    Department of Bioengineering and Neuroscience, and Institute for Sensory Research, Syracuse University, Syracuse, New York 13244 5290, USA
    Dysphagia 14:31-42. 1999
    ..There was no predictable tongue-palate contact at any time in the sequence. A new model for bolus formation and deglutition is proposed...
  14. ncbi Radiation exposure to the surgeon and the patient during kyphoplasty
    Thomas E Mroz
    Spine Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
    J Spinal Disord Tech 21:96-100. 2008
    ..Prospective study of patients who underwent single or multilevel kyphoplasty for vertebral fractures...
  15. ncbi Videofluoroscopic studies of swallowing dysfunction and the relative risk of pneumonia
    Lana Pikus
    Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce St, Philadelphia 19104, USA
    AJR Am J Roentgenol 180:1613-6. 2003
    ..The purpose of our investigation was to determine the relationship between the degree of swallowing dysfunction observed on barium studies and the likelihood of developing pneumonia in a large series of patients...
  16. ncbi Transient lower esophageal sphincter relaxations and reflux: mechanistic analysis using concurrent fluoroscopy and high-resolution manometry
    John E Pandolfino
    Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
    Gastroenterology 131:1725-33. 2006
    ..was to perform a detailed analysis of the mechanics leading to esophagogastric junction (EGJ) opening during transient lower esophageal sphincter relaxations (tLESRs) using high-resolution manometry coupled with simultaneous fluoroscopy.
  17. pmc Electromagnetic navigation diagnostic bronchoscopy: a prospective study
    Thomas R Gildea
    Department of Pulmonary, Allergy and Critical Care Medicine, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA
    Am J Respir Crit Care Med 174:982-9. 2006
    ..Electromagnetic navigation bronchoscopy using superDimension/Bronchus System is a novel method to increase diagnostic yield of peripheral and mediastinal lung lesions...
  18. ncbi Complications of cervical selective nerve root blocks performed with fluoroscopic guidance
    Marc A Wallace
    Department of Radiology, Allegheny General Hospital, 320 E North Ave, Pittsburgh, PA 15212, USA
    AJR Am J Roentgenol 188:1218-21. 2007
  19. ncbi Utility of clinical swallowing examination measures for detecting aspiration post-stroke
    G H McCullough
    University of Arkansas for Medical Sciences Medical Center, Little Rock 72205, USA
    J Speech Lang Hear Res 48:1280-93. 2005
    ..At present, there are no data to suggest that CSEs can be used to quantify aspiration or make adequate recommendations regarding patient care...
  20. ncbi Video fluoroscopy for evaluating adenoid hypertrophy in children
    Antonio Ysunza
    Department of Otolaryngology, Hospital Gea Gonzalez, 4800 Calzada de Tlalpan, 14000 Mexico City, Mexico
    Int J Pediatr Otorhinolaryngol 72:1159-65. 2008
    ..Flexible endoscopy is now the gold standard for the evaluation of the upper airway. Children need to be cooperative in order to complete a videonasopharyngoscopy examination, which is not always possible...
  21. ncbi CT fluoroscopy-guided biopsy of 1,000 pulmonary lesions performed with 20-gauge coaxial cutting needles: diagnostic yield and risk factors for diagnostic failure
    Takao Hiraki
    Department of Radiology, Okayama University Medical School, Okayama, Japan
    Chest 136:1612-7. 2009
    ..diagnostic method for pulmonary lesions, few large studies have been conducted on the diagnostic outcomes of CT fluoroscopy-guided lung biopsy...
  22. ncbi [Right versus left radial artery approach for coronary angiography. Differences observed and the learning curve]
    Javier Fernández-Portales
    Unidad de Hemodinamica, Clínica Virgen de Guadalupe, IDC Capio, Caceres, Spain
    Rev Esp Cardiol 59:1071-4. 2006
    ..age >70 years, and the absence of hypertension were found to be independently associated with prolonged fluoroscopy duration and failure using the initial approach...
  23. ncbi Accuracy of the volume-viscosity swallow test for clinical screening of oropharyngeal dysphagia and aspiration
    Pere Clave
    Unitat d Exploracions Funcionals Digestives, Department of Surgery, Hospital de Mataro, Universitat Autonoma de Barcelona, Carretera de Cirera s n, 08304 Mataró, Spain
    Clin Nutr 27:806-15. 2008
    ..To determine the accuracy of the bedside volume-viscosity swallow test (V-VST) for clinical screening of impaired safety and efficacy of deglutition...
  24. pmc Fluoroscopic radiation exposure of the kyphoplasty patient
    Bronek M Boszczyk
    Neurosurgery, Berufsgenossenschaftliche Unfallklinik, 82418, Murnau, Germany
    Eur Spine J 15:347-55. 2006
    ..doses that patients are typically subjected to, 60 consecutive procedures using simultaneous bilateral fluoroscopy were analysed with respect to exposure time (ET)...
  25. ncbi Contact force-controlled zero-fluoroscopy catheter ablation of right-sided and left atrial arrhythmia substrates
    Gunter Kerst
    Eberhard Karls Universitat Tubingen, Tubingen, Germany
    Heart Rhythm 9:709-14. 2012
    ..A novel radiofrequency ablation catheter capable of real-time tissue-tip contact force measurements may compensate for nonfluoroscopic safety issues...
  26. pmc Radiofrequency ablation for viable hepatocellular carcinoma around retained iodized oil after transcatheter arterial chemoembolization: usefulness of biplane fluoroscopy plus ultrasound guidance
    Ji Hye Min
    Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135 710, Korea
    Korean J Radiol 13:784-94. 2012
    To assess the technical feasibility and local efficacy of biplane fluoroscopy plus US-guided percutaneous radiofrequency ablation (RFA) for viable hepatocellular carcinoma (HCC) around retained iodized oil after transcatheter arterial ..
  27. pmc Ultrasound and fluoroscopy-guided placement of central venous ports via internal jugular vein: retrospective analysis of 1254 port implantations at a single center
    Se Jin Ahn
    Department of Radiology, College of Medicine, Seoul National University, Seoul 110 744, Korea
    Korean J Radiol 13:314-23. 2012
    ..To assess the technical success and complication rates of the radiologic placement of central venous ports via the internal jugular vein...
  28. ncbi Predicting aspiration after hemispheric stroke from timing measures of oropharyngeal bolus flow and laryngeal closure
    Maxine L Power
    Department of Rehabilitation and Human Performance Research, University of Salford, Salford, Greater Manchester M5 4WT, UK
    Dysphagia 24:257-64. 2009
    ..These measurements, if translatable into clinical bedside evaluation, may assist with the development of novel measurement and intervention techniques to detect and treat poststroke aspiration...
  29. ncbi The use of computer navigation in performing minimally invasive surgery for intertrochanteric hip fractures--The experience in Singapore
    K W Chong
    Department of Orthopaedic Surgery, Trauma Service, Singapore General Hospital, Outram Road, Singapore 169608, Singapore
    Injury 37:755-62. 2006
    ..Furthermore, occupational exposure to fluoroscopy that is used in hip fracture fixation remains a concern amongst orthopaedic surgeons...
  30. ncbi Left radial versus right radial approach for coronary artery catheterization: a prospective comparison
    Marcello Dominici
    Division of Cardiology, Santa Maria University Hospital, Terni, Italy
    J Interv Cardiol 25:203-9. 2012
    ..The left radial approach may have an advantage from the point of view of the vascular anatomy. The aim of this study was to evaluate the safety and feasibility of routinely using the left radial compared to the right radial approach...
  31. ncbi Transpulmonary radiofrequency ablation for hepatocellular carcinoma under real-time computed tomography-fluoroscopic guidance
    Takeharu Kato
    Department of Radiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii cho, Kawaramachi Hirokoji, Kamigyo, Kyoto 602 8566, Japan
    Hepatogastroenterology 55:1450-3. 2008
    ..The aim of this study was to assess the use of transpulmonary radiofrequency ablation under real-time computed tomography-fluoroscopic guidance for hepatocellular carcinoma...
  32. ncbi [Evaluation of a 2D fluoroscopy-based navigation system for insertion of the dynamic hip screw (DHS): an experimental study]
    M C Muller
    Department of Orthopaedics and Trauma Surgery, University of Bonn
    Rofo 183:536-42. 2011
    ..A computer-assisted planning and navigation system based on 2D fluoroscopy has been developed for guidewire insertion in order to perform screw placement...
  33. ncbi Real-Time 3D fluoroscopy guidance during needle interventions: technique, accuracy, and feasibility
    S J Braak
    Department of Radiology, St Antonius Hospital, Koekoekslaan 1, PO Box 2500 EM, Nieuwegein 3435 CM, The Netherlands
    AJR Am J Roentgenol 194:W445-51. 2010
    Real-time 3D fluoroscopy guidance using cone beam CT with dedicated needle path planning software is a promising new interventional technique...
  34. ncbi Implantation of single-lead atrioventricular permanent pacemakers guided by electroanatomic navigation without the use of fluoroscopy
    Ricardo Ruiz-Granell
    Arrhythmia and Cardiac Pacing Unit, Cardiology Department, Hospital Clinico Universitario, Av Blasco Ibanez 17, 46010 Valencia, Spain
    Europace 10:1048-51. 2008
    b>Fluoroscopy is the standard and almost unique tool used for cardiac imaging during permanent pacemaker implantation, and its use implies exposure of patients and operators to radiation...
  35. ncbi Malignant esophageal dysphagia palliation using insertion of a covered Ultraflex stent without fluoroscopy: a prospective observational study
    Georgia Lazaraki
    Department of Gastrointestinal Oncology, Theagenion Cancer Hospital, Al Simeonidi 2 str, 54007, Thessaloniki, Greece
    Surg Endosc 25:628-35. 2011
    This study aimed to investigate the efficacy and safety of placing self-expandable metal stents (SEMSs) without fluoroscopy for palliation of malignant esophageal or esophagogastric strictures.
  36. ncbi Radiation exposure during pedicle screw placement in adolescent idiopathic scoliosis: is fluoroscopy safe?
    Maahir Ul Haque
    University of Florida College of Medicine, Gainesville, FL, USA
    Spine (Phila Pa 1976) 31:2516-20. 2006
    ..With institutional review board approval, prospective data were collected during fluoroscopically guided pedicle screw placement...
  37. pmc Prostate intrafraction motion evaluation using kV fluoroscopy during treatment delivery: a feasibility and accuracy study
    Justus Adamson
    Department of Radiation Oncology, Wayne State University, Detroit, Michigan 48201, USA
    Med Phys 35:1793-806. 2008
    ..We investigated the feasibility and accuracy of measuring prostate intrafraction motion using kV fluoroscopy performed simultaneously with radiotherapy...
  38. ncbi Ankle and subtalar kinematics during dorsiflexion-plantarflexion activities
    Satoshi Yamaguchi
    Room 330, MAE A, Gainesville, FL 32611 6250, USA
    Foot Ankle Int 30:361-6. 2009
    ..However, dynamic in vivo kinematics of these joints are not well studied. The purpose of this study was to compare in vivo kinematics during nonweightbearing and weightbearing activities in healthy subjects...
  39. pmc Accuracy of pedicle screw placement: a systematic review of prospective in vivo studies comparing free hand, fluoroscopy guidance and navigation techniques
    Ioannis D Gelalis
    Department of Orthopaedic Surgery and Traumatology, School of Medicine, University of Ioannina, Pantazidi Street 11, 45221 Ioannina, Epirus, Greece
    Eur Spine J 21:247-55. 2012
    ..The purpose of the present study was to perform a systematic review of all available prospective evidence regarding pedicle screw insertion techniques in the thoracic and lumbar human spine...
  40. ncbi CT-guided interventional procedures without CT fluoroscopy assistance: patient effective dose and absorbed dose considerations
    Ioannis A Tsalafoutas
    CT Department, Konstantopoulio Agia Olga Hospital, Athens, Greece
    AJR Am J Roentgenol 188:1479-84. 2007
    The purpose of this study was to determine patient effective dose (E) and peak absorbed dose to the skin of the patient from various CT-guided interventional procedures performed without CT fluoroscopy assistance.
  41. ncbi Long-term follow-up of oropharyngeal dysphagia in children without apparent risk factors
    Maureen A Lefton-Greif
    Eudowood Division of Pediatric Respiratory Sciences at Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
    Pediatr Pulmonol 41:1040-8. 2006
    ..Early identification and prompt initiation of appropriate treatments are critical for reduction of morbidities associated with dysphagia...
  42. pmc Theoretical accuracy of model-based shape matching for measuring natural knee kinematics with single-plane fluoroscopy
    Benjamin J Fregly
    Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL 32611, USA
    J Biomech Eng 127:692-9. 2005
    ..These results suggest that biased edge detection is the primary factor limiting the theoretical accuracy of this single-plane shape matching procedure...
  43. ncbi [Procedures, spectrum and radiation exposure in CT-fluoroscopy]
    Beate M Stoeckelhuber
    Institut fur Radiologie, Universitatsklinikum Schleswig Holstein, Campus Lubeck
    Rontgenpraxis 55:51-7. 2003
    To assess the techniques, indications and radiation exposures incurred with CT fluoroscopy.
  44. ncbi Temporal measurements of pharyngeal swallowing in normal populations
    Youngsun Kim
    School of Hearing, Speech and Language Sciences, College of Health and Human Services, Ohio University, Athens, Ohio 45701 2979, USA
    Dysphagia 20:290-6. 2005
    ..No gender differences were observed. These data on normal subjects will be used for comparisons with stroke patients in future research...
  45. ncbi Preganglionic approach to transforaminal epidural steroid injections
    Henry L Lew
    Physical Medicine and Rehabilitation Service, VA Palo Alto Health Care System, Stanford University School of Medicine, Palo Alto, California, USA
    Am J Phys Med Rehabil 83:378. 2004
  46. ncbi Comparison of the percutaneous screw placement precision of isocentric C-arm 3-dimensional fluoroscopy-navigated pedicle screw implantation and conventional fluoroscopy method with minimally invasive surgery
    Hiroaki Nakashima
    Department of Orthopedic Surgery, Chubu Rosai Hospital, Aichi, Japan
    J Spinal Disord Tech 22:468-72. 2009
    Retrospective clinical study to compare the percutaneous screw placement precision of isocentric C-arm (Iso-C) 3-dimensional fluoroscopy-navigated pedicle screw implantation and conventional fluoroscopy.
  47. ncbi CT fluoroscopy-guided biopsy of the lung or upper abdomen with a breath-hold monitoring and feedback system: a prospective randomized controlled clinical trial
    Stephanie K Carlson
    Department of Radiology, Section of Safety, Mayo Clinic, Rochester, MN 55905, USA
    Radiology 237:701-8. 2005
    To prospectively determine the clinical effectiveness of a breath-hold monitoring and feedback system in computed tomographic (CT) fluoroscopy-guided biopsies in which respiratory motion is a problem.
  48. ncbi Impact of remote magnetic catheter navigation on ablation fluoroscopy and procedure time
    Albert M Kim
    University of California, San Francisco, California, USA
    Pacing Clin Electrophysiol 31:1399-404. 2008
    ..Remote magnetic catheter navigation (RCN) is gaining acceptance in clinical cardiac electrophysiology, but details regarding how RCN affects procedure execution are not well characterized...
  49. ncbi Digital fluoroscopy to quantify lung tumor motion: potential for patient-specific planning target volumes
    Katharina E Sixel
    Toronto Sunnybrook Regional Cancer Centre, Toronto, ON, Canada
    Int J Radiat Oncol Biol Phys 57:717-23. 2003
    To apply digital fluoroscopy integrated with CT simulation to measure lung tumor motion and aid in the quantification of individualized planning target volumes.
  50. ncbi In vivo articular cartilage contact kinematics of the knee: an investigation using dual-orthogonal fluoroscopy and magnetic resonance image-based computer models
    Guoan Li
    Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Sports Med 33:102-7. 2005
    ..Quantifying the in vivo cartilage contact mechanics of the knee may improve our understanding of the mechanisms of joint degeneration and may therefore improve the surgical repair of the joint after injury...
  51. ncbi Development and validation of a new technique for assessing lumbar spine motion
    Sai wing Lee
    Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hunghom, Kowloon, Hong Kong
    Spine (Phila Pa 1976) 27:E215-20. 2002
    ..Dynamic lumbar flexion-extension motions were assessed by an electrogoniometer and a videofluoroscopy unit simultaneously...
  52. ncbi Accuracy of detecting screw penetration of the acetabulum with intraoperative fluoroscopy and computed tomography
    D B Carmack
    Detroit Receiving Hospital, Michigan 48201, USA
    J Bone Joint Surg Am 83:1370-5. 2001
    BACKGROUND: The purpose of this study was to determine the accuracy of computed tomography and fluoroscopy in assessing joint penetration by periacetabular screws. METHODS: A 3...
  53. ncbi The risk from radiation exposure during operative X-ray screening in hand surgery
    P M Arnstein
    Department of Plastic and Reconstructive Surgery, Queen Victoria Hospital, East Grinstead, UK
    J Hand Surg Br 19:393-6. 1994
    ..investigation to attempt to quantify the radiation dosage to which theatre personnel are exposed during X-ray fluoroscopy (screening) in hand surgery...
  54. ncbi Accurate measurement of three-dimensional knee replacement kinematics using single-plane fluoroscopy
    S A Banks
    Orthopaedic Research Laboratory, Good Samaritan Medical Center, West Palm Beach, FL 33402, USA
    IEEE Trans Biomed Eng 43:638-49. 1996
    ..The measurement technique is uniquely well suited for performing dynamic kinematic measurements on individuals with knee replacements, and for performing comparative studies among subjects with different designs of knee replacements...
  55. ncbi Evaluation of spinal kinematics following lumbar total disc replacement and circumferential fusion using in vivo fluoroscopy
    Joshua D Auerbach
    Department of Orthopaedic Surgery, The University of Pennsylvania, Philadelphia, PA, USA
    Spine (Phila Pa 1976) 32:527-36. 2007
    ..In vivo fluoroscopic analysis of lumbar spinal motion with total disc replacement (TDR), fusions, and controls...
  56. ncbi Patient and personnel exposure during CT fluoroscopy-guided interventional procedures
    R D Nawfel
    Department of Radiology, Brigham and Women s Hospital, 75 Francis St, Boston, MA 02115, USA
    Radiology 216:180-4. 2000
    To estimate patient dose and personnel exposure from phantom measurements during computed tomographic (CT) fluoroscopy, to use the estimates to provide users with dose information, and to recommend methods to reduce exposure.
  57. ncbi Dysphagia in a patient with lateral medullary syndrome: insight into the central control of swallowing
    R Martino
    Department of Speech Language Pathology, Toronto Western Hospital, University Health Network, Fell Pavilion 4th Floor, 399 Bathurst Street, Toronto, Ontario, Canada M5T 2S8
    Gastroenterology 121:420-6. 2001
    ..This case provides insight into the central control of swallowing...
  58. ncbi CT fluoroscopy--guided interventional procedures: techniques and radiation dose to radiologists
    E K Paulson
    Department of Radiology, Duke University Medical Center, Erwin Rd, Box 3808, Durham, NC 27710, USA
    Radiology 220:161-7. 2001
    ..To determine the radiation dose to radiologists who perform computed tomographic (CT) fluoroscopic interventional procedures by using a quick-check method and a low-milliampere technique...
  59. ncbi Radiation dose to the operator during vertebroplasty: prospective comparison of the use of 1-cc syringes versus an injection device
    David F Kallmes
    Department of Radiology, University of Virginia, Charlottesville, VA, USA
    AJNR Am J Neuroradiol 24:1257-60. 2003
    ..Specialized injection devices have been proposed to limit operator exposure. Our purpose was to compare the radiation dose to the operator's hands during vertebroplasty when using 1-cc syringes versus that when using an injection device...
  60. ncbi Endovascular treatment of experimental canine aneurysms: feasibility with MR imaging guidance
    C M Strother
    Department of Radiology, University of Wisconsin Health Sciences Center, 600 Highland Ave, Madison, WI 53792 3252, USA
    Radiology 215:516-9. 2000
    ..To evaluate the feasibility of using magnetic resonance (MR) imaging to guide and monitor endovascular therapeutic procedures...
  61. ncbi Value of CT fluoroscopy for percutaneous biopsy procedures
    D Gianfelice
    Department of Diagnostic Radiology, Centre Hospitalier de l Universite de Montreal, Hopital Saint Luc, Quebec, Canada
    J Vasc Interv Radiol 11:879-84. 2000
    To assess the clinical impact of computed tomographic (CT) fluoroscopy (CTF) with regard to procedure time and success rate for CT image-guided biopsy procedures.
  62. ncbi Novel method of quantifying pulmonary vascular resistance by use of simultaneous invasive pressure monitoring and phase-contrast magnetic resonance flow
    Vivek Muthurangu
    Cardiac MR Research Group, Division of Imaging Sciences, King s College, London, United Kingdom
    Circulation 110:826-34. 2004
    ..The Fick principle, used to quantify pulmonary artery flow, may be a flawed technique. We describe a novel method of PVR quantification by the use of magnetic resonance (MR) flow data and invasive pressure measurements...
  63. ncbi Biopsy of lung nodules with use of I-I device under intermittent CT fluoroscopic guidance: preliminary clinical study
    T Irie
    Department of Radiology, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan
    J Vasc Interv Radiol 12:215-9. 2001
    To investigate the efficacy of computed tomography (CT) fluoroscopy and a new needle holder (the I-I device) in lung nodule biopsy.
  64. ncbi Effects of age, gender, bolus condition, viscosity, and volume on pharyngeal and upper esophageal sphincter pressure and temporal measurements during swallowing
    Susan G Butler
    Wake Forest University School of Medicine, Department of Otolaryngology Center for Voice and Swallowing Disorders, Medical Center Boulevard, Winston Salem, NC 27157, USA
    J Speech Lang Hear Res 52:240-53. 2009
    ..e., upper and lower) and upper esophageal sphincter (UES) pressures, durations, and onsets (i.e., onset of upper pharyngeal pressures relative to onsets of UES relaxations and onset of lower relative to upper pharyngeal pressures)...
  65. ncbi Transradial approach (left vs right) and procedural times during percutaneous coronary procedures: TALENT study
    Alessandro Sciahbasi
    UO Cardiologia, Policlinico Casilino ASL RM B, Rome, Italy
    Am Heart J 161:172-9. 2011
    ..Our aim was to evaluate the safety and efficacy of left radial approach (LRA) compared with RRA for coronary procedures...
  66. ncbi Movement of the hyoid bone and the epiglottis during swallowing in patients with dysphagia from different etiologies
    Nam Jong Paik
    Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 300 Gumi dong Bundang gu, Seongnam 463 707, Republic of Korea
    J Electromyogr Kinesiol 18:329-35. 2008
    ....
  67. ncbi Percutaneous vertebroplasty: indications, technique, and results
    Afshin Gangi
    Department of Radiology, University Louis Pasteur, Strasbourg, France
    Radiographics 23:e10. 2003
    ..The risk of leak is substantially reduced. The system is safe, reduces the cement manipulation time, and allows excellent control of the injection. The authors performed 130 vertebroplasties with this system without major complications...
  68. ncbi Radiation doses in interventional radiology procedures: the RAD-IR study: part I: overall measures of dose
    Donald L Miller
    Department of Radiology, National Naval Medical Center, Bethesda, MD 20889 5600, USA
    J Vasc Interv Radiol 14:711-27. 2003
    ..To determine patient radiation doses for interventional radiology and neuroradiology procedures, to identify procedures associated with higher radiation doses, and to determine the effects of various parameters on patient doses...
  69. ncbi Radiation exposure to the surgeon during fluoroscopically assisted percutaneous vertebroplasty: a prospective study
    Roger Harstall
    Department of Orthopaedic Surgery, Inselspital, University of Berne, Switzerland
    Spine (Phila Pa 1976) 30:1893-8. 2005
    ..A prospective case control study design was conducted...
  70. ncbi Preliminary results of a randomized, equivalence trial of fluoroscopic caudal epidural injections in managing chronic low back pain: Part 3--Post surgery syndrome
    Laxmaiah Manchikanti
    Pain Management Center of Paducah, Paducah, KY 42003, USA
    Pain Physician 11:817-31. 2008
    ..There is lack of evidence for the effectiveness of epidural injections in managing chronic low back pain with or without lower extremity pain secondary to post surgery syndrome...
  71. ncbi A virtual bronchoscopic navigation system under X-ray fluoroscopy for transbronchial diagnosis of small peripheral pulmonary lesions
    Motoko Tachihara
    Department of Pulmonary Medicine, Fukushima Medical University School of Medicine, Hikarigaoka 1, Fukushima City, Fukushima 960 1295, Japan
    Lung Cancer 57:322-7. 2007
    ..the efficacy of virtual bronchoscopic navigation system for the diagnosis of small PPLs under X-ray fluoroscopy. We performed bronchoscopy with this system for 94 consecutive patients with 96 PPLs (< or =30mm in longest ..
  72. ncbi Combining ultrasonography and electromyography for botulinum chemodenervation treatment of thoracic outlet syndrome: comparison with fluoroscopy and electromyography guidance
    Sheldon E Jordan
    UCLA Department of Neurology, Los Angeles, CA, USA
    Pain Physician 10:541-6. 2007
    ....
  73. ncbi Time-limited fluoroscopy to reduce radiation exposure during ERCP: a prospective randomized trial
    Lance T Uradomo
    Division of Gastroenterology and Hepatology, University of Maryland Medical Center, Baltimore, Maryland 21201, USA
    Gastrointest Endosc 66:84-9. 2007
    ..Measures should be used to limit radiation exposure of the staff and patients during ERCP...
  74. pmc Combined fluoroscopy- and CT-guided transthoracic needle biopsy using a C-arm cone-beam CT system: comparison with fluoroscopy-guided biopsy
    Joo Yeon Cheung
    Department of Radiology, School of Medicine, Ewha Womans University, Seoul 158 710, Korea
    Korean J Radiol 12:89-96. 2011
    The aim of this study was to evaluate the usefulness of combined fluoroscopy- and CT-guided transthoracic needle biopsy (FC-TNB) using a cone beam CT system in comparison to fluoroscopy-guided TNB (F-TNB).
  75. ncbi Inadvertent intraforaminal iliosacral screw placement despite apparent appropriate positioning on intraoperative fluoroscopy
    H C Sagi
    Department of Orthopaedics, University Medical Center 4th Floor, University of California San Francisco, Fresno Medical Education Program, 445 South Cedar Avenue, Fresno, CA 93711, USA
    J Orthop Trauma 19:130-3. 2005
    ..Because of the tangential nature of the S1 foramen, slight posterior placement of the screw into the S1 body and not into the promontory resulted in violation of the foramen despite it being above the cortical shadow on the outlet view...
  76. ncbi Polyflex self-expanding, removable plastic stents: assessment of treatment efficacy and safety in a variety of benign and malignant conditions of the esophagus
    M Karbowski
    Department of Thoracic Surgery, Virginia Mason Medical Center, 1100 Ninth Avenue, Seattle, WA 98101, USA
    Surg Endosc 22:1326-33. 2008
    ..Recently, a removable, self-expanding, plastic stent has become available. The authors investigated the use of this new stent at their institution...
  77. ncbi Catheter ablation of atrial fibrillation without fluoroscopy using intracardiac echocardiography and electroanatomic mapping
    John D Ferguson
    Department of Medicine, Division of Cardiovascular Medicine, University of Virginia, Charlottesville, VA 22908, USA
    Circ Arrhythm Electrophysiol 2:611-9. 2009
    Catheter ablation of atrial fibrillation is currently guided by x-ray fluoroscopy. The associated radiation risk to patients and medical staff may be significant...
  78. ncbi Correspondence between food consistency and suprahyoid muscle activity, tongue pressure, and bolus transit times during the oropharyngeal phase of swallowing
    Hiroshige Taniguchi
    Div of Dysphagia Rehabilitation, Niigata Univ Graduate School of Medical and Dental Sciences, Chuo Ku, Niigata 951 8514, Japan
    J Appl Physiol (1985) 105:791-9. 2008
    ..In addition, pharyngeal bolus transit is not dependent on the hardness of food but on its viscosity...
  79. pmc Volitional control of food transport and bolus formation during feeding
    Jeffrey B Palmer
    Department of Physical Medicine and Rehabilitation, Johns Hopkins University, Baltimore, MD 21287, United States
    Physiol Behav 91:66-70. 2007
    ..06). Under the command condition, stage II transport was delayed, and transport to the valleculae was inhibited. Volition alters swallow initiation in both the timing and location of the food bolus relative to the airway...
  80. ncbi Pediatric radiofrequency catheter ablation registry success, fluoroscopy time, and complication rate for supraventricular tachycardia: comparison of early and recent eras
    John D Kugler
    Joint Division of Pediatric Cardiology, University of Nebraska Creighton University, Children s Hospital, Omaha 68114, USA
    J Cardiovasc Electrophysiol 13:336-41. 2002
    To assess changes of success rate, fluoroscopy time, and complication rate for six supraventricular tachycardia pathways/ mechanisms, data from the Pediatric Radiofrequency Catheter Ablation Registry were grouped into two eras (1991-1995;..
  81. ncbi Atrioventricular node ablation and permanent ventricular pacemaker implantation without fluoroscopy: use of an electroanatomic navigation system
    Ricardo Ruiz-Granell
    Arrhythmia Unit, Department of Cardiology, Hospital Clinico Universitario, Valencia, Spain
    J Cardiovasc Electrophysiol 16:793-5. 2005
    Non-fluoroscopy AV ablation and pacemaker implantation. Fluoroscopic guidance is the standard tool used for transvenous pacemaker implantations and for electrophysiological and ablation procedures...
  82. ncbi Electromagnetic catheter navigation during bronchoscopy: validation of a novel method by conventional fluoroscopy
    Hubert Hautmann
    Pneumologie, Klinikum rechts der Isar, Ismaninger Strasse 22, D 81675 Munich, Germany
    Chest 128:382-7. 2005
    ..Electromagnetic navigation in bronchoscopy is a novel method for assisting in the localization of peripheral lung lesions...
  83. ncbi Diagnostic accuracy of CT fluoroscopy-guided needle aspiration biopsy of ground-glass opacity pulmonary lesions
    Jin Hur
    Department of Diagnostic Radiology, Severance Hospital, Yonsei University College of Medicine, 250 Seongsanno 134 Sinchon dong, Seodaemun gu, Seoul 120 752, South Korea
    AJR Am J Roentgenol 192:629-34. 2009
    The purpose of this study was to evaluate the diagnostic performance of CT fluoroscopy-guided percutaneous needle aspiration biopsy of ground-glass opacity (GGO) pulmonary lesions.
  84. ncbi Intervertebral anticollision constraints improve out-of-plane translation accuracy of a single-plane fluoroscopy-to-CT registration method for measuring spinal motion
    Cheng Chung Lin
    Institute of Biomedical Engineering, National Taiwan University, Taiwan 10051, Republic of China
    Med Phys 40:031912. 2013
    The study aimed to propose a new single-plane fluoroscopy-to-CT registration method integrated with intervertebral anticollision constraints for measuring three-dimensional (3D) intervertebral kinematics of the spine; and to evaluate the ..
  85. ncbi An assistive image-guided surgical robot system using O-arm fluoroscopy for pedicle screw insertion: preliminary and cadaveric study
    Sungmin Kim
    Center for Intelligent Surgery System, Department of Biomedical Engineering, Hanyang University, Seoul, Korea
    Neurosurgery 67:1757-67; discussion 1767. 2010
    The biplane fluoroscopy guided robot system (BFRS) was developed for surgical robotic systems, minimally invasive surgeries, and cooperative robotic systems, as well as enhanced surgical planning and navigation with preoperative and ..
  86. ncbi Minimally invasive vertebroplasty managed by a two C-arm fluoroscopic technique
    Yen Yao Li
    Department of Orthopaedic Surgery, Chang Gung Memorial Hospital at Chia Yi, College of Medicine, Chang Gung University, Taipei, Taiwan
    Minim Invasive Ther Allied Technol 16:350-4. 2007
    ..Moreover, no additional staff is needed to rotate the C-arm for fluoroscopy. The proposed technique has been shown to be effective and useful for performing minimally invasive ..
  87. ncbi Oropharyngeal aspiration and silent aspiration in children
    Kelly A Weir
    Speech Pathology Department, Royal Children s Hospital, Herston, Brisbane, QLD, 4029, Australia
    Chest 140:589-97. 2011
    ..A prospective study was undertaken to determine the factors associated with fluoroscopically identified OPA and SA...
  88. ncbi Comparison of fluoroscopic versus real-time three-dimensional transthoracic echocardiographic guidance of endomyocardial biopsies
    David Platts
    Echocardiography Department, The Prince Charles Hospital, Chermside, Brisbane, QLD, Australia
    Eur J Echocardiogr 11:637-43. 2010
    ..This study was designed to assess the feasibility and accuracy of guiding RV sheath and bioptome tip position using real-time three-dimensional echocardiography (RT3DE)...
  89. ncbi Comparison of three-dimensional echocardiography to two-dimensional echocardiography and fluoroscopy for monitoring of endomyocardial biopsy
    Miriam E Amitai
    Division of Cardiovascular Medicine, Stanford University, School of Medicine, Stanford, California, USA
    Am J Cardiol 99:864-6. 2007
    ..the feasibility and potential superiority of RT3DE versus 2-dimensional echocardiography (2DE) and standard fluoroscopy for monitoring endomyocardial biopsies (EMBs)...
  90. ncbi Flow properties of oral contrast medium formulations depend on the temperature
    Olle Ekberg
    Department of Clinical Sciences Medical Radiology, Lund University, Lund, Sweden
    Acta Radiol 51:363-7. 2010
    ..However, in these patients with a delayed oral and/or pharyngeal stage of swallow, the bolus is held for a long time in the oral cavity. The temperature of the thickened liquid thereby increases...
  91. ncbi Three-dimensional motion study of femur, tibia, and patella at the knee joint from bi-plane fluoroscopy and CT images
    Takashi Ohnishi
    Graduate School of Advanced Integration Science, Chiba University, 1 33, Yayoi cho, Inage Ku, Chiba, 263 8522, Japan
    Radiol Phys Technol 3:151-8. 2010
    ..A 2D/3D registration method with use of fluoroscopy and CT images is promising for this purpose...
  92. ncbi Acute results of pulmonary vein isolation in patients with paroxysmal atrial fibrillation using a single mesh catheter
    Clemens Steinwender
    Cardiovascular Division, City Hospital Linz, Linz, Austria
    J Cardiovasc Electrophysiol 20:147-52. 2009
    ..We evaluated the efficacy of a simplified interventional procedure for PVI by using a single mesh catheter for mapping as well as ablation and with guidance of fluoroscopic imaging only...
  93. ncbi A C-arm fluoroscopy-guided progressive cut refinement strategy using a surgical robot
    J Yao
    Department of Computer Science, The Johns Hopkins University, Baltimore, Maryland 21218, USA
    Comput Aided Surg 5:373-90. 2000
    ..We have conducted several experiments, in both simulated and in vitro environments. The results indicate that our strategy is a promising method for precise orthopedic procedures like total hip replacement...
  94. ncbi Quantification of soft tissue artefact in motion analysis by combining 3D fluoroscopy and stereophotogrammetry: a study on two subjects
    Rita Stagni
    Dipartimento di Elettronica, Informatica e Sistemistica, Universita degli Studi di Bologna, Viale Risorgimento, 2, 40136 Bologna, Italy
    Clin Biomech (Bristol, Avon) 20:320-9. 2005
    ..The quantification of this artefact in three dimensions and the knowledge of how it propagates to relevant joint angles is necessary for the interpretation of gait analysis data...
  95. ncbi First experiences for pulmonary vein isolation with the high-density mesh ablator (HDMA): a novel mesh electrode catheter for both mapping and radiofrequency delivery in a single unit
    Axel Meissner
    Department of Cardiology and Angiology, Ruhr University Bochum, Germany
    J Cardiovasc Electrophysiol 20:359-66. 2009
    Interventional therapy of atrial fibrillation (AF) is often associated with long examination and fluoroscopy times...
  96. ncbi Hepatic radiofrequency under CT-fluoroscopy guidance
    D Laganà
    Vascular and Interventional Radiology, Department of Radiology, University of Insubria, Viale Borri 57, 21100 Varese, Italy
    Radiol Med 113:87-100. 2008
    This study was done to assess the effectiveness and advantages of computed tomography (CT) fluoroscopy as a guide for locating and treating lesions that are not amenable to ultrasound (US) guidance, and to evaluate the CT signs of ..
  97. ncbi New registration algorithm for determining 3D knee kinematics using CT and single-plane fluoroscopy with improved out-of-plane translation accuracy
    Jennifer M Scarvell
    Trauma and Orthopaedic Research Unit, Building 6, Level 1, Canberra Hospital, P O Box 11, Woden ACT 2606, Australia
    J Orthop Res 28:334-40. 2010
    ..a technique, a new algorithm was developed to register 3D CT data of normal bones to the same bones in a 2D fluoroscopy frame...
  98. pmc Biplane fluoroscopy-guided radiofrequency ablation combined with chemoembolisation for hepatocellular carcinoma: initial experience
    M W Lee
    Department of Radiology and Research Institute of Biomedical Science, Konkuk University School of Medicine, Seoul, South Korea
    Br J Radiol 84:691-7. 2011
    The purpose of this study was to assess the technical feasibility and local efficacy of biplane fluoroscopy-guided percutaneous radiofrequency (RF) ablation combined with transcatheter arterial chemoembolisation (TACE) for hepatocellular ..
  99. ncbi Covered metallic stent placement in the management of cervical esophageal strictures
    Eugene K Choi
    Department of Radiology, Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Songpa Gu, Seoul, Korea
    J Vasc Interv Radiol 18:888-95. 2007
    ..To describe the authors' experience with self-expandable covered metallic stents in 16 patients with malignant and benign cervical esophageal strictures...
  100. ncbi Value of 3D fluoroscopic imaging of acetabular fractures comparison to 2D fluoroscopy and CT imaging
    D Kendoff
    Trauma Department, Hannover Medical School, Carl Neubergstrasse 1, Hannover, Germany
    Arch Orthop Trauma Surg 128:599-605. 2008
    Intraoperative two-dimensional (2D) fluoroscopy of acetabular fractures is difficult due to the complex three-dimensional (3D) anatomy. Intraoperative 3D fluoroscopy may have particular utility in the evaluation of acetabular fractures...
  101. ncbi Comparative analysis of isocentric 3-dimensional C-arm fluoroscopy and biplanar fluoroscopy for anterior screw fixation in odontoid fractures
    Nikolay L Martirosyan
    Division of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, AZ 85013, USA
    J Spinal Disord Tech 26:189-93. 2013
    ..Retrospective clinical study...

Research Grants64

  1. Systemic Application for Injury Site Specific Delivery via Neutrophils to Treat B
    XUDONG J LI; Fiscal Year: 2013
    ..As such, the use of fluoroscopy-guided lumbar epidural injections of steroids to reduce the local chemo-inflammatory response has increased ..
  2. Low-cost handheld medical device for neuroaxial anesthesia guidance in the obese
    FRANK WILLIAM MAULDIN; Fiscal Year: 2012
    ..Alternative approaches to the blind method include fluoroscopy and ultrasound guidance...
  3. Ultrasound Ablation on Bone Cancer Under CT Fluoroscopy
    Everette C Burdette; Fiscal Year: 2012
    ..to perform minimally invasive conformal ultrasound ablation under combined computer tomography (CT) and CT fluoroscopy (CTF) guidance...
  4. Endovascular Magnetic Catheter for Interventional MRI
    STEVEN WILLIAM HETTS; Fiscal Year: 2013
    ..Although x-ray fluoroscopy has high spatial and temporal resolution, it only visualizes blood vessels as opposed to the soft tissues and ..
  5. Risk of Leukemia after Protracted Exposures to Low Doses of Ionizing Radiation
    LYDIA BOGDANIVNA ZABLOTSKA; Fiscal Year: 2013
    ..data from the Leukemia study of Chornobyl clean-up workers will be combined with the data from the Canadian Fluoroscopy Cohort study to estimate radiation-dependent risks of leukemia and to compare them to the risks predicted from ..
  6. 3D Ultrasound Guidance of Interventional Devices
    Stephen William Smith; Fiscal Year: 2012
    ..extensive real time imaging to guide the deployment of these devices currently requiring long periods of x-ray fluoroscopy with its inherent disadvantages of ionizing radiation exposure, poor tissue contrast and requirement for ..
  7. Fabrication and validation of implantable MRI markers for prostate cancer treatme
    Andrew Bright; Fiscal Year: 2010
    ..The current standard imaging modalities used for PB dosimetry (sonography, CT, and fluoroscopy) are suboptimal, and quality assurance (QA) has become a major problem in the US...
  8. Effects of Bolus Accommodation on Swallowing Effort in Healthy Elderly Individual
    Lisa A Lagorio; Fiscal Year: 2011
    ..1 mm diameter manometric catheter inserted trans-nasally into the pharynx. Sensors will be integrated with the fluoroscopy equipment to capture oral and pharyngeal effort and hyo-laryngeal movement for each swallow...
  9. Applications of Magnetic Resonance for Management of Ventricular Tachycardia
    Saman Nazarian; Fiscal Year: 2013
    ..catheter ablation is associated with failures deriving from the inability to visualize the VT substrate with fluoroscopy. The central hypothesis of this proposal is that scar (substrate) visualization via MRI can improve the risk ..
  10. Robotic System with Multiplexed DOF Control for Minimally Invasive Interventions
    Peter Kazanzides; Fiscal Year: 2012
    ..provided by applicant): Acoustic MedSystems proposes to develop an image-guided robot for MRI, CT and fluoroscopy guidance. The robot will be used for brain, prostate, liver, kidney, breast, and spine intervention...
  11. INFORMATION RESOURCES FOR RADIATION SCIENCE
    THOMAS SEBASTIAN TENFORDE; Fiscal Year: 2010
    ..CT);combined anatomic and physiological imaging involving CT, positron-emission tomography (PET) and fluoroscopy;image-guided cardiology and cancer therapy procedures;conformal and intensity-modulated radiotherapy procedures;..
  12. In-Clinic Assessment of Organ Doses for Interventional Fluoroscopic Procedures
    DAVID BORREGO; Fiscal Year: 2013
    ..Assessment of Organ Doses for Interventional Fluoroscopic Procedures Project Summary / Abstract Interventional fluoroscopy uses ionizing radiation to guide small instruments such as catheters through blood vessels or other body ..
  13. Acoustically Active Catheter for Echocardiographic Navigation
    Marek Belohlavek; Fiscal Year: 2010
    ..b>Fluoroscopy, elec- tromechanical mapping, or magnetic resonance imaging have limited ability to fulfill these requirements, ..
  14. High-Speed Biplane X-Ray Fluoro/CT System for Translational Cardiovascular Resear
    Michael V McConnell; Fiscal Year: 2010
    ..The requested instrument is to replace the 20-year-old x-ray fluoroscopy system in the Falk Center with a state-of-the-art system that combines 3 high-end functions necessary for ..
  15. Real-time MRI-guided RF Ablation of Cardiac TachyArrhythmias
    Orhan Unal; Fiscal Year: 2010
    ..However, catheter ablation guided by X-ray fluoroscopy (XRF) with adjunctive electroanatomic/ mechanical mapping (EMM) is challenging and time-consuming...
  16. Personalized Motion Management for truly 4D Lung Stereotactic Body Radiotherapy
    Amit Sawant; Fiscal Year: 2013
    ..The latter will consist of 4DCT, and surface tracking data and in-room kV x-ray fluoroscopy. Finally, we will form physician-physicist teams to develop practice guidelines, quality assurance and ..
  17. Musculoskeletal and Finite Element Modeling of Femoroacetabular Impingement
    ANDREW EDWARD ANDERSON; Fiscal Year: 2013
    ..We will use a combination of dual fluoroscopy and camera-based marker tracking to quantify lower limb kinematics during activities of daily living...
  18. High Frequency Ultrasound Arrays for Cardiac Imaging
    David J Sahn; Fiscal Year: 2012
    ..Although fluoroscopy is still the gold standard imaging tool, it is well recognized that with longer and more challenging procedures,..
  19. Low-Dose Tomosynthetic Interventional System For Quantitative Cardiac Imaging
    Michael A Speidel; Fiscal Year: 2013
    ABSTRACT X-ray fluoroscopy provides a combination of real-time imaging, high spatial resolution, ease of use, and device compatibility that is essential for rapid diagnosis of coronary artery disease and catheter guidance during ..
  20. Hollow Fiber Catheter for Drug Delivery into the Prostate
    JIM STICE; Fiscal Year: 2010
    ..will be determined by evaluation of reflux into bladder by assay (antibiotic), reflux along needle track by fluoroscopy (contrast) and prostate distribution by dye visualization (post procedure prostate removal and sections)...
  21. 4D DSA and 4D Fluoroscopy: Validation of Diagnostic and Therapeutic Capabilities
    Charles Milton Strother; Fiscal Year: 2013
    ..Conventional DSA provides 2D images at variable frame rates (a time series). Similarly, X-ray fluoroscopy offers a 2D display at high frame rates...
  22. Quantitative MRI-Guided Nanoembolization for Liver Cancer
    Reed A Omary; Fiscal Year: 2013
    ..Specific Aim 2 will develop a real-time projection MRI fluoroscopy technique that can monitor Au-SPIO delivery in real- time during NE...
  23. Low-cost Large-area High-Sensitivity X-ray Panel Detector for Digital Mammography
    NEAL EUGENE HARTSOUGH; Fiscal Year: 2010
    ..high-performance detectors for many other x-ray imaging applications including general radiography, fluoroscopy, and x-ray CT...
  24. An Advanced Technology Flat-Panel Imager for Fluoroscopy
    Larry E Antonuk; Fiscal Year: 2012
    ....
  25. Ultrafast Tomosynthesis for Transbronchial Biopsy Guidance
    Rebecca Fahrig; Fiscal Year: 2011
    ..5mm) can be acquired in as little as 1/30 of a second with radiation dose levels comparable to conventional fluoroscopy. The specific goals of this proposal are: 1) to optimize the SBDX hardware for lung nodule detection;2) to ..
  26. Effects of aging on swallowing physiology with transient cortical disruption
    Ianessa A Humbert; Fiscal Year: 2013
    ..transcranial magnetic stimulation (TMS) to the bilateral SMI laryngeal representation with concurrent video fluoroscopy and electromyography (EMG) during swallowing at various temporal intervals to examine changes in swallowing ..
  27. Randomized Trial of Nonflouroscopic Technologies in Pediatric SVT Ablation
    John K Triedman; Fiscal Year: 2013
    ..Correspondingly, SVT ablation is the most frequent procedure performed by pediatric electrophysiologists. Fluoroscopy is used to guide catheters during ablation, but constitutes a significant source of radiation exposure and ..
  28. Innovative high throughput tunable filter for widefield biomedical Raman imaging
    LEYUN ZHU; Fiscal Year: 2013
    ..Current imaging techniques include magnetic resonance imaging (MRI), computed tomography (CT), x-ray fluoroscopy, and ultrasound...
  29. Steering Flexible Needles in Soft Tissue
    ALLISON MARIKO OKAMURA; Fiscal Year: 2010
    ..The scientific and engineering advances will culminate in a set of pre-clinical trials with imaging (fluoroscopy, ultrasound, and MRI) using phantom and natural ex vivo and in vivo models...
  30. MULTI IMAGER COMPATIBLE ROBOT FOR PROSTATE ACCESS
    Dan Stoianovici; Fiscal Year: 2004
    ..The novelty of the system relies in its compatibility with multiple imaging modalities, such as fluoroscopy, ultrasound, computer tomography (CT), magnetic resonance imaging (MR), and spectroscopic imaging (MRSI)...
  31. MULTI IMAGER COMPATIBLE ROBOT FOR PROSTATE ACCESS
    Dan Stoianovici; Fiscal Year: 2001
    ..The novelty of the system relies in its compatibility with multiple imaging modalities, such as fluoroscopy, ultrasound, computer tomography (CT), magnetic resonance imaging (MR), and spectroscopic imaging (MRSI)...
  32. Non-Contact ACL Injuries in Females: an In-Vivo and Robotic Study
    Savio Woo; Fiscal Year: 2009
    ..To achieve these aims, state-of-the-art technologies have recently been developed. A high-speed biplane fluoroscopy system will be used for collecting accurate knee kinematics in vivo from healthy volunteers landing from a jump...
  33. Reduced Afterglow Scintillator Films for High Speed Medical Imaging
    VIVEK V NAGARKAR; Fiscal Year: 2010
    ..of CsI:Tl scintillator can reduce the cost of critical life-saving medical equipment such as X-ray CT scanners, fluoroscopy systems and other devices that rely on rapid data acquisition...
  34. Axiom zeego shared instrument grant
    Rebecca Fahrig; Fiscal Year: 2010
    ..of this project is to upgrade the Axiom lab to a Siemens Artis zeego robot-mounted digital flat panel C-arm fluoroscopy and CT imaging system...
  35. Innovative Tools for In Vivo Computational Prediction of Lumbar Stresses
    RICHARD DAVID KOMISTEK; Fiscal Year: 2010
    ..accurate computational methodology that involves: 1) deriving and implementing in vivo kinematics using X- ray fluoroscopy, CT scans for bone modeling and MRIs of the lumbar spine for soft-tissue evaluation as input to our ..
  36. 5-D Image Guided Cardiac Ablation Therapy
    Richard A Robb; Fiscal Year: 2012
    ..system will be demonstrated efficacious both in the standard clinical set-up using catheter tracking and x-ray fluoroscopy (and/or pre-operative CT) and in an advanced set-up using a robotic manipulator for precise and stable catheter ..
  37. Layered Thin Film Radiation Shields
    Ashok Khandkar; Fiscal Year: 2011
    DESCRIPTION (provided by applicant): Modern ionizing radiation technologies incorporated into imaging Xrays, or fluoroscopy, and CT scanners have revolutionized diagnostic radiology...
  38. Micromachined 7MHz Two Dimensional Forward Looking Ultrasound Medical Penetrative
    ELI WIENER AVNEAR; Fiscal Year: 2009
    ..However, current standard electrophysiology guidance methods, utilize mostly fluoroscopy for locating the catheter position and movement...
  39. CT fluoroscopy guided robotically assisted lung biopsy
    Kevin Cleary; Fiscal Year: 2003
    ..project is to extend an existing robotic system to assist the physician in accurate computed tomography (CT) fluoroscopy-guided needle biopsy of lung nodules...
  40. Visualization and real-time dosimetry for prostate brachytherapy using ultrasound
    Septimiu Salcudean; Fiscal Year: 2007
    ..RF US -based seed localization algorithms will be optimized and compared to proven fluoroscopy-based localization...
  41. CT fluoroscopy guided robotically assisted lung biopsy
    Kevin Cleary; Fiscal Year: 2005
    ..project is to extend an existing robotic system to assist the physician in accurate computed tomography (CT) fluoroscopy-guided needle biopsy of lung nodules...
  42. PHRENIC NERVE PACING: NONINVASIVE DIAPHRAGM ANALYSIS
    Sidney Levitsky; Fiscal Year: 1980
    The goal of this research is to develop an automated method of noninvasively imaging via fluoroscopy the diaphragmatic surface to directly measure its mechanical activity so that indirect quantitative measurements of tidal volume, air ..
  43. NEW FIBEROPTIC SCREENS AND FILTRATION FOR X-RAY IMAGING
    Andrew Karellas; Fiscal Year: 1990
    This proposal is aimed at improving the diagnostic image quality in radiography and fluoroscopy at a reduced radiation dose...
  44. Flat-panel X-ray Imaging Detector with Avalanche Gain
    Wei Zhao; Fiscal Year: 2013
    ..It will increase the efficiency of x-ray detection in fluoroscopy by up to 5 times while maintaining the capability for dual mode fluoroscopy/radiography operation by virtue of ..
  45. A low-dose fluoroscope for interventional radiology procedures
    Tobias Funk; Fiscal Year: 2013
    ..In conclusion, this grant application proposes to reduce the radiation risk in interventional radiology by building and testing a low-dose fluoroscopy system.
  46. Laser Catheter for Dethrombosis of Arterial Occlusion
    Brant Watson; Fiscal Year: 2005
    ..We will then insert the device via a femoral artery under X-ray fluoroscopy, first to examine the effectiveness of this device to dilate the rat CCA, and then to use these experimental ..
  47. Biodegradable Sealant for Biopsy Tracts in Soft Tissues
    LUCJAN HRONOWSKI; Fiscal Year: 2003
    ..Using imaging guidance (CT, fluoroscopy, ultrasound or bronchoscopy) a sharp needle is advanced into a suspicious area and cells are aspirated into the ..
  48. Tongue Volume, Function and Biomechanics
    Zi Jun Liu; Fiscal Year: 2006
    ..We will use chronic electromyography and x-ray fluoroscopy to track functional recovery, and longitudinal measurements of tongue/dental casts, serial cephalometrics, dual ..
  49. Radioopaque resorbable polymers for vascular application
    Joachim Kohn; Fiscal Year: 2006
    ..to assist with the proper placement of an implant, resorbable polymers that are visible by X-ray radiography/fluoroscopy represent an important platform for a wide range of unmet clinical needs, the most significant of which is the ..
  50. Biodegradable Sealant for Biopsy Tract in Soft Tissue
    LUCJAN HRONOWSKI; Fiscal Year: 2006
    ..Using imaging guidance {CT, fluoroscopy, ultrasound or bronchoscopy) a sharp needle is advanced into a suspicious area and cells are aspirated into the ..
  51. MODIOLAR-HUGGING ELECTRODE SYSTEM FOR COCHLEAR IMPLANTS
    Dorcas Kessler; Fiscal Year: 1999
    ..electrode to achieve modiolar proximity and greater insertion depth will be evaluated in temporal bones using fluoroscopy and 3-D CT scan reconstruction...
  52. Epidemiology and Mechanisms of Fecal Incontinence
    Adil Bharucha; Fiscal Year: 2005
    ..approximately 100 patients with FI and approximately 100 controls will have MRI fluoroscopy to characterize the specific global pelvic floor abnormality (i.e...
  53. Digital Fluoroscopy for Cardiac Imaging
    Gerald Entine; Fiscal Year: 2005
    Real-time or dynamic radiographic imaging (fluoroscopy) provides vital information concerning internal organ structure, flow of contrast agents and in-vivo instrument positioning...
  54. Development of Novel Methods to Reduce Ghosting and Lag in a-Se X-ray Detectors
    DENNY LEE; Fiscal Year: 2009
    ..Selenium x-ray detectors are widely used in radiography, mammography, tomosynthesis, fluoroscopy, and cone-beam computed tomography...
  55. C-arm Fluoroscopy for Prostate Brachytherapy
    EVERETTE BURDETTE; Fiscal Year: 2003
    ..Currently sixty percent of the practitioners use intra-operative C-arm fluoroscopy as a qualitative check of the implants...
  56. Development of a magnetically guided feeding tube
    SABRY GABRIEL; Fiscal Year: 2004
    ..development of a magnetically- guided enteral feeding tube for distal duodenum placement without the need for fluoroscopy, endoscopy, or medication, and to evaluate transferability of the new technique and device to other users...
  57. CCD X-RAY FLUOROSCOPY USING BINARY OPTICAL TECHNIQUE
    Hong Liu; Fiscal Year: 2000
    ..This technology overcomes disadvantages of conventional image intensifier fluoroscopy, including: aberrations, noise, contrast degradation, and restricted dynamic range and spatial resolution of ..
  58. TOMOSYNTHESIS FOR IMPROVED PULMONARY NODULE DETECTION
    James Dobbins; Fiscal Year: 2005
    ..The tomosynthesized images may be viewed slice-by-slice or as a 3-D volume-rendered projection in a "virtual fluoroscopy'' viewing environment...
  59. Image-guided catheter biopsy of peripheral lung cancer
    Eric Seibel; Fiscal Year: 2005
    ..the peripheral lung through the biopsy channel of a larger bronchoscope, and possibly used without the aid of fluoroscopy, further reducing the cost of lung cancer diagnosis...
  60. SCINTIGRAPHIC QUANTIFICATION OF PULMONARY ASPIRATION
    Kenneth Silver; Fiscal Year: 1992
    ..Available tools for detecting airway aspiration, specifically barium fluoroscopy, are insufficient for detailing the fate of food aspirated through the glottis...
  61. Redefinition of Gastroesophageal Reflux in Children
    Hayat Mousa; Fiscal Year: 2004
    ..Placement will be verified by fluoroscopy. The pneumogram and impedance will be monitored simultaneously...
  62. Quantification of coronary calcium mass by dual energy fluoroscopy
    Sabee Molloi; Fiscal Year: 2009
    ..2) To test the hypothesis that calcium mass measured in human volunteers with dual-energy fluoroscopy and calcium score measured with electron beam computed tomography have a Spearman correlation coefficient ..
  63. MR-Guided Coronary Balloon Angioplasty
    Ergin Atalar; Fiscal Year: 2004
    ..procedures, such as balloon angioplasty or intravascular stent placement, are primarily guided by x-ray fluoroscopy with contrast injections outlining the vascular lumen, but this method provides no information about the vessel ..
  64. Bolus Chasing CT Angiography Using Adaptive Control
    Ge Wang; Fiscal Year: 2004
    ..CT fluoroscopy (CTF) allows real-time tomographic imaging, and has been used to trigger the scan initiation in synchrony with ..