ventilation perfusion ratio

Summary

Summary: The ratio of alveolar ventilation to simultaneous alveolar capillary blood flow in any part of the lung. (Stedman, 25th ed)

Top Publications

  1. ncbi Lung ventilation/perfusion SPECT in the artificially embolized pig
    Marika Bajc
    Department of Clinical Physiology, Lund University Hospital, Lund, Sweden
    J Nucl Med 43:640-7. 2002
  2. ncbi The bedside investigation of pulmonary embolism diagnosis study: a double-blind randomized controlled trial comparing combinations of 3 bedside tests vs ventilation-perfusion scan for the initial investigation of suspected pulmonary embolism
    Marc A Rodger
    University of Ottawa, Ottawa Health Research Institute, and Department of Medicine, Ottawa Hospital, Ottawa, Ontario, Canada
    Arch Intern Med 166:181-7. 2006
  3. pmc Alveolar dead space and capnographic variables before and after thrombolysis in patients with acute pulmonary embolism
    Marcos Mello Moreira
    Department of Surgery, State University of Campinas, School of Medical Sciences, Campinas, Brazil
    Vasc Health Risk Manag 5:9-12. 2009
  4. ncbi Impact of a rapid rule-out protocol for pulmonary embolism on the rate of screening, missed cases, and pulmonary vascular imaging in an urban US emergency department
    Jeffrey A Kline
    Department of Emergency Medicine, Carolinas Medical Center, Charlotte, NC 28323 2861, USA
    Ann Emerg Med 44:490-502. 2004
  5. ncbi Validation of measurements of ventilation-to-perfusion ratio inequality in the lung from expired gas
    G Kim Prisk
    Department of Medicine 0931, University of California, San Diego, La Jolla, California 92093, USA
    J Appl Physiol (1985) 94:1186-92. 2003
  6. ncbi Carbon dioxide added late in inspiration reduces ventilation-perfusion heterogeneity without causing respiratory acidosis
    Thomas V Brogan
    Department of Pediatrics, Children s Hospital and Regional Medical Center, 4800 Sand Point Way NE, CH 05, Seattle, WA 98105 0371, USA
    J Appl Physiol (1985) 96:1894-8. 2004
  7. ncbi CT and MR in pulmonary embolism: A changing role for nuclear medicine in diagnostic strategy
    Hiroto Hatabu
    Department of Radiology, University of Pennsylvania Medical Center, Philadelphia, PA 19104, USA
    Semin Nucl Med 32:183-92. 2002
  8. ncbi [Unilateral pulmonary hypoperfusion secondary to bronchogenic carcinoma]
    G Ruíz Fernández
    An Med Interna 19:326-7. 2002
  9. ncbi Bed rest versus ambulation in the initial treatment of patients with proximal deep vein thrombosis
    Hugo Partsch
    Wilhelminen Hospital, Vienna, Austria
    Curr Opin Pulm Med 8:389-93. 2002
  10. ncbi Spatial pattern of ventilation-perfusion mismatch following acute pulmonary thromboembolism in pigs
    John Y C Tsang
    James Hogg iCAPTURE Research Laboratory, 1081 Burrard St, Vancouver, BC, Canada V6Z 1Y6
    J Appl Physiol (1985) 98:1862-8. 2005

Detail Information

Publications202 found, 100 shown here

  1. ncbi Lung ventilation/perfusion SPECT in the artificially embolized pig
    Marika Bajc
    Department of Clinical Physiology, Lund University Hospital, Lund, Sweden
    J Nucl Med 43:640-7. 2002
    ..The objective of this study was to compare planar lung scintigraphy with ventilation/perfusion SPECT using pigs with artificially engendered lung emboli labeled with (201)Tl...
  2. ncbi The bedside investigation of pulmonary embolism diagnosis study: a double-blind randomized controlled trial comparing combinations of 3 bedside tests vs ventilation-perfusion scan for the initial investigation of suspected pulmonary embolism
    Marc A Rodger
    University of Ottawa, Ottawa Health Research Institute, and Department of Medicine, Ottawa Hospital, Ottawa, Ontario, Canada
    Arch Intern Med 166:181-7. 2006
    ....
  3. pmc Alveolar dead space and capnographic variables before and after thrombolysis in patients with acute pulmonary embolism
    Marcos Mello Moreira
    Department of Surgery, State University of Campinas, School of Medical Sciences, Campinas, Brazil
    Vasc Health Risk Manag 5:9-12. 2009
    ..Lung scintigraphy was used to compare VCap results from the two subjects with VCap results from healthy volunteers and pigs before and after treatment associated with arterial blood gas, D-dimer, and showed satisfactory agreement...
  4. ncbi Impact of a rapid rule-out protocol for pulmonary embolism on the rate of screening, missed cases, and pulmonary vascular imaging in an urban US emergency department
    Jeffrey A Kline
    Department of Emergency Medicine, Carolinas Medical Center, Charlotte, NC 28323 2861, USA
    Ann Emerg Med 44:490-502. 2004
    ..0% of patients with a negative protocol would have an adverse outcome...
  5. ncbi Validation of measurements of ventilation-to-perfusion ratio inequality in the lung from expired gas
    G Kim Prisk
    Department of Medicine 0931, University of California, San Diego, La Jolla, California 92093, USA
    J Appl Physiol (1985) 94:1186-92. 2003
    ..We conclude that a useful noninvasive measurement of Va/Q inhomogeneity can be derived from the intrabreath respiratory exchange ratio...
  6. ncbi Carbon dioxide added late in inspiration reduces ventilation-perfusion heterogeneity without causing respiratory acidosis
    Thomas V Brogan
    Department of Pediatrics, Children s Hospital and Regional Medical Center, 4800 Sand Point Way NE, CH 05, Seattle, WA 98105 0371, USA
    J Appl Physiol (1985) 96:1894-8. 2004
    ..21). In conclusion, we have established that the majority of the improvement in gas exchange efficiency with inspired CO2 can be achieved by limiting its application to the conducting airways and does not require systemic acidosis...
  7. ncbi CT and MR in pulmonary embolism: A changing role for nuclear medicine in diagnostic strategy
    Hiroto Hatabu
    Department of Radiology, University of Pennsylvania Medical Center, Philadelphia, PA 19104, USA
    Semin Nucl Med 32:183-92. 2002
    ..Nuclear medicine, CT, and MR thus form an imaging triad for the diagnosis of acute PE...
  8. ncbi [Unilateral pulmonary hypoperfusion secondary to bronchogenic carcinoma]
    G Ruíz Fernández
    An Med Interna 19:326-7. 2002
  9. ncbi Bed rest versus ambulation in the initial treatment of patients with proximal deep vein thrombosis
    Hugo Partsch
    Wilhelminen Hospital, Vienna, Austria
    Curr Opin Pulm Med 8:389-93. 2002
    ..By counteracting against venous stasis, walking exercises and compression therapy have an important impact on the clinical outcome and should therefore be addressed in future studies...
  10. ncbi Spatial pattern of ventilation-perfusion mismatch following acute pulmonary thromboembolism in pigs
    John Y C Tsang
    James Hogg iCAPTURE Research Laboratory, 1081 Burrard St, Vancouver, BC, Canada V6Z 1Y6
    J Appl Physiol (1985) 98:1862-8. 2005
    ..These low Va/Q units created by high flow, rather than low Va, accounted for most of the resultant hypoxemia...
  11. ncbi How to use a gestalt interpretation for ventilation-perfusion lung scintigraphy
    Petronella J Hagen
    Department of Pulmonary Medicine, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
    J Nucl Med 43:1317-23. 2002
    ....
  12. ncbi Predicting the presence of acute pulmonary embolism: a comparative analysis of the artificial neural network, logistic regression, and threshold models
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University, Central Radiology Viewing Area, Rm 117, 600 N Wolfe St, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 179:869-74. 2002
    ....
  13. ncbi Missed pneumothorax seen on ventilation-perfusion scan
    Justin Q Ly
    Department of Radiology and Nuclear Medicine, Wilford Hall USAF Medical Center, 759th MDTS MTRD, 2200 Bergquist Drive, Suite 1, San Antonio, TX 78236 5300, USA
    Clin Nucl Med 27:725-6. 2002
  14. ncbi Venous thromboembolism: diagnosis and management of pulmonary embolism
    Cindy H Lee
    Department of Haematology, Royal Perth Hospital, Perth, WA, Australia
    Med J Aust 182:569-74. 2005
    ....
  15. ncbi Chest radiograph as a triage tool in the imaging-based diagnosis of pulmonary embolism
    Aditya Daftary
    Department of Diagnostic Radiology, Yale University School of Medicine and Yale New Haven Hospital, 333 Cedar Street, New Haven, CT 06504, USA
    AJR Am J Roentgenol 185:132-4. 2005
    ....
  16. ncbi Thrombolysis or heparin therapy in massive pulmonary embolism with right ventricular dilation: results from a 128-patient monocenter registry
    E Hamel
    Intensive Care Unit and Cardiology D Department, Trousseau University Hospital, Tours, France
    Chest 120:120-5. 2001
    ..Appropriate therapy in such patients still remains unknown. Further prospective randomized trials should be performed...
  17. ncbi Diagnostic assessment of deep vein thrombosis and pulmonary embolism
    Geno Merli
    Jefferson Antithrombotic Therapy Service, Division of Internal Medicine, Thomas Jefferson University Hospital, Jefferson Medical College, Philadelphia, Pennsylvania 19107, USA
    Am J Med 118:3S-12S. 2005
    ..This review offers a clinical perspective on the accurate, routine diagnosis of VTE, including an overview of common clinical signs and symptoms, as well as the advantages and drawbacks of available diagnostic strategies...
  18. ncbi Diagnostic strategies for suspected pulmonary embolism
    A B Donkers-van Rossum
    Dept of Radiology, Catharina Hospital Eindhoven, The Netherlands
    Eur Respir J 18:589-97. 2001
    ..This review covers the performance of different diagnostic tests, and focuses on the advantages and limitations of single diagnostic tests and the clinical usefulness of these tests in diagnostic strategies...
  19. ncbi Pulmonary embolism--assessment and management
    Megan Rees
    Department of Allergy, Immunology and Respiratory Medicine, Alfred Hospital, Victoria, Australia
    Aust Fam Physician 34:555-61. 2005
    ..Pulmonary embolism (PE) is a potentially life threatening disorder most commonly seen in debilitated patients with other common medical problems...
  20. ncbi Intermediate probability lung scans (IPLS): retrospective review of 82 cases
    W Y Wong
    Department of Nuclear Medicine, Singapore General Hospital, Singapore
    Singapore Med J 42:450-4. 2001
    ..Approximately half of IPLS cases will receive anticoagulation therapy. No mortality or PE was found on follow-up of patients who were not treated...
  21. ncbi Perfusion abnormalities in pulmonary embolism studied with perfusion MRI and ventilation-perfusion scintigraphy: an intra-modality and inter-modality agreement study
    Tore Amundsen
    Department of Medicine, University Hospital of Trondheim, Norwegian University of Science and Technology, Trondheim, Norway
    J Magn Reson Imaging 15:386-94. 2002
    ....
  22. ncbi Electron beam computed tomography and ventilation perfusion scintigraphy in the diagnosis of pulmonary embolism
    Beatrice I Kettner
    Clinic for Nuclear Medicine, Charite Medical School, Humboldt University of Berlin, Luisenstrasse 6 8, 10098 Berlin, Germany
    Eur J Nucl Med Mol Imaging 29:585-90. 2002
    ..It is concluded that there is a good correlation (82%) between V/Q scanning and electron beam CT on a patient-by-patient basis but a markedly less good correlation (62%) in a segment-based analysis...
  23. ncbi Introduction of helical computed tomography affects patient selection for V/Q lung scan
    G Zettinig
    Universitätsklinik für Nuklearmedizin Wien
    Nuklearmedizin 41:91-4. 2002
    ..Retrospective analysis for determination of the effect of helical computed tomography (HCT) on utilization of V/Q lung scanning to diagnose pulmonary embolism (PE) in a large general hospital...
  24. ncbi Distribution of ventilation/perfusion ratios in pulmonary embolism: an adjunct to the interpretation of ventilation/perfusion lung scans
    Emmanuel Itti
    Department of Nuclear Medicine, Henri Mondor Hospital, Paris XII University, Creteil, France
    J Nucl Med 43:1596-602. 2002
    ..This study proposes a quantitative analysis of the distribution of V/Q ratios to better identify patients with PE...
  25. ncbi Massive pulmonary embolism presenting as complete unilateral absence of lung perfusion on pulmonary scintigraphy: correlative imaging with angiography and computed tomography
    Nir Hod
    Department of Nuclear Medicine, Assaf Harofeh Medical Center, Zerifin, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
    Clin Nucl Med 28:34-6. 2003
  26. ncbi Spiral computed tomography for acute pulmonary embolism
    Melanie P Hiorns
    Department of Radiology, Vancouver General Hospital, University of British Columbia, Vancouver, BC
    Can Assoc Radiol J 53:258-68. 2002
    ..Hence, the introduction of spiral CT angiography of the pulmonary arteries has been greeted with enthusiasm...
  27. ncbi Clinical and radiographic features mimicking pulmonary embolism as the first manifestation of Takayasu's arteritis
    Amir Shlomai
    Department of Medicine A, Hadassah Hebrew University Medical Center, POB 12000, 91120, Jerusalem, Israel
    Clin Rheumatol 23:470-2. 2004
    ..Review of her medical records from 17 years ago revealed that similar symptoms and a positive V/P scan were the initial features of her disease...
  28. ncbi Radionuclide imaging of acute pulmonary embolism
    Daniel F Worsley
    Division of Nuclear Medicine, Vancouver General Hospital, University of British Columbia, Vancouver BC Division of Nuclear Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
    Semin Nucl Med 33:259-78. 2003
    ..The combination of CT angiography and CT venography has the potential to provide a single comprehensive study of patients with suspected venous thromboembolism...
  29. ncbi Quantification of regional ventilation-perfusion ratios with PET
    Marcos F Vidal Melo
    Department of Anesthesia and Critical Care, Massachusetts General Hospital and Harvard Medical School, Boston, 02114, USA
    J Nucl Med 44:1982-91. 2003
    ..This study aims to present a PET-based method to estimate regional alveolar ventilation-to-perfusion ratios (V(A)/Q) predictive of arterial blood gases...
  30. ncbi MR angiography with sensitivity encoding (SENSE) for suspected pulmonary embolism: comparison with MDCT and ventilation-perfusion scintigraphy
    Yoshiharu Ohno
    Department of Radiology, Kobe University Graduate School of Medicine, 7 5 2 Kusunoki cho, Chuo Ku, Kobe 650 0017, Japan
    AJR Am J Roentgenol 183:91-8. 2004
    ..The diagnostic capability of each data set was analyzed on a per-vascular zone and a per-patient basis with the McNemar test...
  31. ncbi Pulmonary embolism diagnosis in hospitalized and intensive care unit patients
    C G Elliott
    Department of Medicine, LDS Hospital and University of Utah Health Sciences Center, Salt Lake City, Utah 84143, USA
    Semin Vasc Med 1:205-12. 2001
    ..Lung perfusion and ventilation scans combined with an assessment of pretest probability remain important objective tests for the evaluation of many hospitalized patients...
  32. pmc Clinical utility of D-dimer in patients with suspected pulmonary embolism and nondiagnostic lung scans or negative CT findings
    Suman W Rathbun
    Department of Medicine, College of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City 73104, USA
    Chest 125:851-5. 2004
    ..We conducted a prospective cohort study that evaluated the clinical utility (usefulness) of an automated quantitative d-dimer test in the diagnosis of patients with suspected pulmonary embolism...
  33. ncbi Diagnostic strategies for suspected pulmonary embolism among outpatients
    H Bounameaux
    Division of Angiology and Hemostasis, University Hospital of Geneva, Geneva, Switzerland
    Semin Vasc Med 1:189-94. 2001
    ..The results indicate that they should now be implemented in daily practice taking into account local facilities and expertise. The exact place of helical computed tomography in such sequential algorithms remains to be established...
  34. ncbi Clinicians' perceptions of the value of ventilation-perfusion scans
    Alan Siegel
    Department of Radiology, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire 03756, USA
    Clin Nucl Med 29:419-25. 2004
    ..The goal of this investigation was to understand clinicians' perceptions of the probability of pulmonary embolism as a function of V/Q scan results of normal, low, intermediate, and high probability...
  35. ncbi Confirmation by spiral CT of a partially occlusive thrombus of the right pulmonary artery suggested by a V/Q lung scan
    Pierre Payoux
    Department of Nuclear Medicine, Purpan University Hospital, Toulouse, France
    Clin Nucl Med 28:941-2. 2003
    ..Had spiral computed tomography been done first, the diagnosis would have been made much more rapidly...
  36. ncbi Scintigraphic probability and angiographic diagnostic certainty in acute pulmonary embolism
    Jean Lette
    Department of Nuclear Medicine, Maisonneuve Rosemont Hospital Center, Montreal, QC, Canada
    Clin Nucl Med 28:897-904. 2003
    ....
  37. ncbi Tomographic evaluation for a 3-dimensional organ
    Howard F Corbus
    J Nucl Med 44:1543; author reply 1543. 2003
  38. ncbi The lung scan and the abnormal chest X-ray: difficult diagnoses
    James A Scott
    Division of Nuclear Medicine, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
    Nucl Med Commun 25:1137-41. 2004
    ..The purpose of this study was to determine whether a computer based scan analysis could assist clinical interpretation in this diagnostically difficult population...
  39. ncbi Automated lung outline reconstruction in ventilation-perfusion scans using principal component analysis techniques
    G Serpen
    Department of Electrical Engineering and Computer Science, The University of Toledo, Toledo, OH 43606, USA
    Comput Biol Med 33:119-42. 2003
    ..The results obtained through MATLAB(TM) simulation indicated that lung outline reconstruction through the PCA approach carries significant viability...
  40. ncbi Use of computed tomography pulmonary angiography in the diagnosis of pulmonary embolismin patients with an intermediate probability ventilation/perfusion scan
    E Stone
    Department of Respiratory Medicine, Royal North Shore Hospital, University of Sydney, New South Wales, Australia
    Intern Med J 33:74-8. 2003
    ..Computed tomography pulmonary -angiography (CTPA) plays an increasingly important role in the diagnosis of pulmonary embolism (PE). Although accurate in the detection of large PE, its accuracy in other patient groups is yet to be defined...
  41. ncbi Diagnosis of pulmonary embolism: when is imaging needed?
    Philip S Wells
    Department of Medicine, Ottawa Hospital, University of Ottawa, Suite F6 47, 1053 Carling Avenue, Ottawa, Ontario, Canada K1Y 4E9
    Clin Chest Med 24:13-28. 2003
    ..It is now possible to identify low-risk patients with suspected pulmonary embolism in whom imaging procedures can be avoided altogether...
  42. ncbi Non-invasive exclusion and diagnosis of pulmonary embolism by sequential use of the rapid ELISA D-dimer assay, clinical score and spiral CT
    J J Michiels
    Hemostasis Thrombosis Research, Department of Hematology, University Hospital, Antwerp, Belgium
    Int Angiol 22:1-14. 2003
    ..Therefore, a helical spiral CT can replace both the VP-scan and pulmonary angiography to safely rule in and out PE. A negative rapid ELISA VIDAS D-dimer test result will reduce the need for helical spiral CT by 25% to 35%...
  43. ncbi Acute pulmonary embolism due to hydatid cyst
    Cuneyt Turkmen
    Department of Nuclear Medicine, Istanbul University, Istanbul Medical Faculty, Turkey
    Clin Nucl Med 29:760-1. 2004
  44. ncbi Venous thromboembolic disease: comparison of the diagnostic process in men and women
    Paul D Stein
    Department of Research, St Joseph Mercy Oakland Hospital, Pontiac, Michigan, USA
    Arch Intern Med 163:1689-94. 2003
    ..There has been concern that women may be limited to fewer major diagnostic tests than men. Whether this applies to patients with pulmonary embolism (PE) or deep venous thrombosis (DVT) has not been determined...
  45. ncbi Diagnostic evaluation of planar and tomographic ventilation/perfusion lung images in patients with suspected pulmonary emboli
    Marika Bajc
    Center for Medical Imaging and Clinical Physiology, University Hospital Lund, 221 85 Lund, Sweden
    Clin Physiol Funct Imaging 24:249-56. 2004
    ..V/P(SPET) is amenable to implementation for clinical routine and suitable even when there is demand for a high patient throughput...
  46. ncbi Pulmonary embolism: imaging modalities--V/Q scan, spiral (helical) CT, and MRI
    P Costello
    Department of Raiology, Brigham and Women's Hospital, Boston, Massachusetts 02114, USA
    Semin Vasc Med 1:155-64. 2001
    ..This article reviews the literature concerning V/Q scanning, spiral (helical) CT, and the future potential for magnetic resonance in the diagnosis of PE...
  47. ncbi Vascular and perfusion imaging using encapsulated laser-polarized helium
    V Callot
    Laboratoire de RMN, CNRS UMR 5012, , Batiment 308, 43 Boulevard du 11 Novembre 1918, 69622 Villeurbanne, France
    MAGMA 12:16-22. 2001
    ..Lung perfusion defects and recovery towards a normal perfusion state were visualized. This study was completed with the demonstration of a new ventilation-perfusion lung exploration method based entirely on HP 3He...
  48. ncbi Endothelin receptor blockade does not improve hypoxemia following acute pulmonary thromboembolism
    John Y C Tsang
    James Hogg iCAPTURE Research Lab, University of British Columbia, Vancouver, British Columbia, Canada
    J Appl Physiol (1985) 102:762-71. 2007
    ....
  49. ncbi Tidal volume dependency of gas exchange in bronchoconstricted pig lungs
    Axel Kleinsasser
    Department of Medicine, Division of Physiology, University of California San Diego, La Jolla, California 92093 0623, USA
    J Appl Physiol 103:148-55. 2007
    ..However, our data do not allow exclusion of other mechanisms that may lead to improved ventilatory distribution when tidal volume is increased...
  50. ncbi Computed tomography of acute pulmonary embolism
    Sharyn L S MacDonald
    Department of Radiology, University of British Columbia, Vancouver, BC, Canada
    Semin Ultrasound CT MR 24:217-31. 2003
    ..This review will discuss the use of spiral CT for acute PE, including scan acquisition parameters, radiation dose, diagnostic findings, interpretive pitfalls and the role of leg vein studies...
  51. ncbi Quantification of lung injury using ventilation and perfusion distributions obtained from gamma scintigraphy
    B S Brook
    School of Mathematical Sciences, University of Nottingham, University Park, Nottingham NG7 2RD, UK
    Physiol Meas 28:1451-64. 2007
    ..05) but not in the median values (p > 0.05). There was no correlation between the mean, median and standard deviation of the distributions from the subjects with a PE and the percentage of damage present (p > 0.05)...
  52. ncbi Stripe sign in pulmonary embolism: a review of the causes
    Eser Lay Ergun
    Department of Nuclear Medicine, Hacettepe University, Faculty of Medicine, Ankara, Turkey
    Ann Nucl Med 17:145-8. 2003
    ..She also had a stripe sign on the perfusion scan with normal ventilation. On the follow-up perfusion scintigraphy, normal perfusion was seen in the corresponding area. The literature on stripe sign is also reviewed...
  53. ncbi Diagnosis of pulmonary embolus using ventilation/perfusion lung scintigraphy: more than 0.5 segment of ventilation/perfusion mismatch is sufficient
    D M Howarth
    Department of Nuclear Medicine, Hunter Imaging Group, Pacific Medical Imaging, Newcastle, New South Wales, Australia
    Intern Med J 36:281-8. 2006
    ..To determine the optimal diagnostic cut-off point using a simplified criterion for the detection of pulmonary embolus (PE) and to evaluate the criterion's utility and reporter reproducibility...
  54. ncbi What the nurse should know about the pulmonary system
    April Hart
    Bethel College, USA
    J Pract Nurs 56:6-7, 11-3; quiz 13-4. 2006
    ..Illnesses of the pulmonary system may be minor or life threatening. It is very important for the nurse to be constantly aware of assessing a patient's respiratory status and limitations that may be present...
  55. ncbi Don't bury the V/Q scan: it's as good as multidetector CT angiograms with a lot less radiation exposure
    Leonard M Freeman
    Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York 10467, USA
    J Nucl Med 49:5-8. 2008
  56. ncbi Objective analysis of whole lung and lobar ventilation/perfusion relationships in pulmonary embolism
    Benjamin Harris
    Department of Respiratory Medicine, Royal North Shore Hospital, St Leonards, Sydney, Australia
    Clin Physiol Funct Imaging 28:14-26. 2008
    ..We investigate this methodology using simulated data, and demonstrate its potential application in the clinical setting of PE...
  57. ncbi The effects of excessive humidity
    R B Williams
    Fisher and Paykel Healthcare, Auckland, New Zealand
    Respir Care Clin N Am 4:215-28. 1998
    ..To safely avoid the risk that this higher temperature may accidentally reach the patient and cause an injury, the average gas temperature at the wye should restricted to less than 43 degrees..
  58. ncbi Ventilation-perfusion ratio in perflubron during partial liquid ventilation
    Alexander Wigbert K Scholz
    Department of Anesthesiology, Johannes Gutenberg University, Langenbeckstrasse 1, 55131 Mainz, Germany
    Anesth Analg 110:1661-8. 2010
    ..We investigated this approach by numerical simulations and applied it to quantify local Va/Q in the perfluorocarbons during partial liquid ventilation...
  59. ncbi Mechanisms underlying gas exchange alterations in an experimental model of pulmonary embolism
    J H T Ferreira
    Departamento de Cirurgia, Faculdade de Ciencias Medicas, Universidade Estadual de Campinas, Campinas, SP, Brasil
    Braz J Med Biol Res 39:1197-204. 2006
    ..We were also able to demonstrate that V Aeff/Q progressively improves after embolization, a fact attributed to the alveolar ventilation redistribution induced by hypocapnic bronchoconstriction...
  60. ncbi [The lung in heart diseases]
    V Sill
    Allgemeines Krankenhaus Wandsbeck, Hamburg
    Pneumologie 44:121-6. 1990
    ..Diminished pulmonary function parameters that fail to adequate respond to bronchodilators may be an expression of left ventricular failure...
  61. ncbi The respiratory system in varanid lizards: determinants of O(2) transfer
    Peter B Frappell
    Department of Zoology, La Trobe University, Melbourne, VIC 3086, Australia
    Comp Biochem Physiol A Mol Integr Physiol 133:239-58. 2002
    ..Compensatory changes occur in various parameters to offset those parameters that are 'limited'. The high aerobic activity of varanid lizards would not be achievable without a compensated circulatory convection...
  62. ncbi Physiological changes in respiratory function associated with ageing
    J P Janssens
    Dept of Geriatrics, Geneva University Hospital, Switzerland
    Eur Respir J 13:197-205. 1999
    ..Furthermore, decreased perception bronchoconstriction and diminished physical activity may result in lesser awareness of the disease and delayed diagnosis...
  63. ncbi Hydroxyethyl starch normalizes platelet and leukocyte adhesion within pulmonary microcirculation during LPS-induced endotoxemia
    Sebastian Küpper
    Molecular Biology Laboratory, Department of General Surgery, University Hospital Munster, Munster, Germany
    Shock 28:300-8. 2007
    ..Fluid therapy with HES 6% seems to have restorative effects on these cellular functions within the pulmonary microcirculation...
  64. ncbi [Prone position in the adult respiratory distress syndrome]
    M B Bengoechea Ibarrondo
    Enfermera banda 6, Unidad de Cuidados Intensivos, Royal Sussex County Hospital, Brighton, Inglaterra
    Enferm Intensiva 19:86-96. 2008
    ....
  65. ncbi Nitric oxide in health and disease from the point of view of the otorhinolaryngologist
    Erol Selimoglu
    Ataturk University, Department of Otorhinolaryngology, Erzurum, Turkey
    Curr Pharm Des 11:3051-60. 2005
    ..Although NO has an ever-increasing role in various areas related to the practice of otolaryngology, further research is required to understand fully the role of NO in the upper airways...
  66. ncbi Pumpless extracorporeal lung assist for protective mechanical ventilation in experimental lung injury
    Rolf Dembinski
    Department of Surgical Intensive Care Medicine, and Institute of Pharmacology and Toxicology, University Aachen, Aachen, Germany
    Crit Care Med 35:2359-66. 2007
    ....
  67. ncbi Airway chemotransduction: from oxygen sensor to cellular effector
    Paul J Kemp
    School of Biomedical Sciences and Institute for Cardiovascular Research, University of Leeds, Leeds, United Kingdom
    Am J Respir Crit Care Med 166:S17-24. 2002
    ....
  68. ncbi Nimodipine-induced acute hypoxemia: case report
    J W Devlin
    Department of Pharmacy, Wayne State University, Detroit Receiving Hospital, Michigan 48201, USA
    Neurosurgery 47:1243-6; discussion 1246-7. 2000
    ..This case report describes a patient with traumatic subarachnoid hemorrhage who experienced two episodes of previously undescribed, life-threatening hypoxemia that was directly related to nimodipine therapy...
  69. ncbi Bullectomy is comparable to lung volume reduction in patients with end-stage emphysema
    Tiziano De Giacomo
    Department of Thoracic Surgery, University of Rome La Sapienza, Policlinico Umberto I, V le Policlinico, 00161 Rome, Italy
    Eur J Cardiothorac Surg 22:357-62. 2002
    ..There is some evidence that in patients with end-stage emphysema bullectomy and lung volume reduction work in the same manner and yield similar functional results...
  70. ncbi Adenosine 5'-monophosphate in asthma: gas exchange and sputum cellular responses
    H A Manrique
    Servei de Pneumologia Institut del Tòrax, Hospital Clinic, Institut d Investigacions Biomediques August Pi i Sunyer, CIBER Enfermedades Respiratorias, Universitat de Barcelona, Barcelona, Spain
    Eur Respir J 31:1205-12. 2008
    ..The fully inhibited adenosine 5'-monophosphate-induced neutrophilia with residual hypoxaemia observed after salbutamol treatment is probably related to beta(2)-agonists acting on both bronchial and pulmonary circulation...
  71. ncbi [Assessment of pulmonary ventilation/perfusion ratio by dual radionuclides SPECT using 81mKr gas and 99mTc-MAA]
    Y Sando
    Second Department of Internal Medicine, Gunma University School of Medicine, Japan
    Kaku Igaku 31:1209-18. 1994
    ..Further, SD determined by this examination is thought to be a good parameter of uneven distribution of pulmonary ventilation and perfusion...
  72. ncbi Nifedipine inhibits the effects of almitrine in patients suffering from pulmonary artery hypertension secondary to chronic obstructive pulmonary disease
    A Saadjian
    Department of Cardiology, CHU Nord, I N S E R M, Marseille, France
    J Cardiovasc Pharmacol 21:797-803. 1993
    ..In COPD patients, nifedipine inhibits almitrine-induced pulmonary vasoconstriction...
  73. ncbi Pulmonary gas exchange is not impaired 24 h after extravehicular activity
    G Kim Prisk
    Division of Physiology, Dept of Medicine, University of California, San Diego, La Jolla, CA 92093 0931, USA
    J Appl Physiol (1985) 99:2233-8. 2005
    ..The results suggest that current denitrogenation protocols do not result in any major lasting alteration to gas exchange in the lung...
  74. ncbi Closing volume influences the postural effect on oxygenation in unilateral lung disease
    K H Choe
    Pulmonary and Critical Care Division, Department of Internal Medicine, University of Ulsan College of Medicine, Seoul, Korea
    Am J Respir Crit Care Med 161:1957-62. 2000
    ..597, p = 0.015). This study has shown that closing volume, as well as posture, might be involved in determining oxygenation in lateral recumbency in patients with unilateral lung disease...
  75. ncbi [Dual-energy data acquisition for simultaneous 81mKr ventilation/99mTc-MAA perfusion SPECT: ventilation/perfusion ratio mapping in cross section]
    N Honda
    Department of Radiology, Saitama Medical Center, Saitama Medical School
    Kaku Igaku 30:789-94. 1993
    ..Examination time was about 40 minutes, and the V/Q ratio maps in cross section were obtained in all of the examinations...
  76. ncbi [Effect of smoking on PaO2 at rest and during moderate exercise]
    S Ouattara
    Laboratoire de Physiologie de I U F R des Sciences Médicales BP V 166 Abidjan, Cote d lvoire
    Dakar Med 47:90-5. 2002
    ..Thus, the smokers' PaO2 deterioration concerned together its value and its variation in comparison with age...
  77. ncbi Exercise-induced arterial hypoxemia
    J A Dempsey
    John Rankin Laboratory of Pulmonary Medicine, Department of Preventive Medicine, University of Wisconsin Madison, Madison, Wisconsin 53705, USA
    J Appl Physiol (1985) 87:1997-2006. 1999
    ....
  78. ncbi [Intraoperative changes in arterial end tidal CO2 partial pressure difference in interventions with constant ventilation-perfusion ratio]
    T Hillen
    Forschungsgruppe am Evangelischen Geriatrie Zentrum Berlin EGZB
    Anaesthesiol Reanim 24:37-40. 1999
    ..For these procedures an initial measurement of the P(a-et)CO2 in patients with lung disease should be sufficient. In pulmonary healthy subjects the P(a-et)CO2 seems to be negligible...
  79. ncbi Generation of parametric images during routine Tc-99m PYP inhalation/Tc-99m MAA perfusion lung scintigraphy. Technical note
    S D Miron
    Department of Radiology, MetroHealth Medical Center Case Western Reserve University School of Medicine, Cleveland, Ohio 44109
    Clin Nucl Med 16:501-5. 1991
    ..These images highlight areas of ventilation/perfusion incongruence--mismatch or reverse mismatch--that may sometimes be difficult to detect on conventional images...
  80. ncbi Effect of exercise intensity on the changes in alveolar slopes of carbon dioxide and oxygen expiratory profiles in humans
    J M Steinacker
    Abt Sport und Rehabilitationsmedizin, Medizinische Klinik und Poliklinik, Universitatsklinikum Ulm, Germany
    Eur J Appl Physiol 85:56-61. 2001
    ..CO2 exchange, whereas the more rapid rate of change in PAO2 in 3 of the subjects may have reflected the development of an increased distribution of the ventilation perfusion ratio in addition to the effects of hyperventilation.
  81. ncbi [Resuscitation: CAB versus ABC]
    B T J Meursing
    Canisius Wilhelmina Ziekenhuis, afd Cardiologie, Postbus 9015, 6500 GS Nijmegen
    Ned Tijdschr Geneeskd 147:483-9. 2003
    ..They concern improvement of the ventilation-perfusion ratio with the first heart massage, oxygenation of the blood in the lung capillaries, improvement of the circulation and the palpability of pulses...
  82. ncbi Effect of neuroleptanaesthesia on VA/Q distribution and pulmonary shunt
    B Maldini
    Department of Anaesthesia and Intensive Care, Institute for Mother and Child Health, Zagreb
    Acta Med Croatica 49:15-20. 1995
    ..This is of special importance, because hypoxemia, occurring as a result of changes in the ventilation-perfusion ratio and pulmonary shunt, seriously endangers the patient's fate during surgery...
  83. pmc Hypoxic pulmonary vasoconstriction: mechanisms and controversies
    Philip I Aaronson
    Department of Asthma, Allergy and Respiratory Science, New Hunt s House, Guy s Hospital Campus, King s College London, London SE1 1UL, UK
    J Physiol 570:53-8. 2006
    ..In this brief review, we highlight selected recent findings and ongoing controversies which continue to animate the study of this remarkable and unique response of the pulmonary vasculature to hypoxia...
  84. ncbi Inhaled nitric oxide and acute lung injury
    D M Payen
    Department of Anesthesiology and Critical Care, McGill University, Montreal, Quebec, Canada
    Clin Chest Med 21:519-29, ix. 2000
    ..Because of the inhaled NO uptake by the lung, the extra vascular lung effects might be in the future the most important development in relation with platelet anti-agregant and anti-inflammatory properties...
  85. ncbi Hyperpolarized helium-3 gas magnetic resonance imaging of the lung
    Hans Ulrich Kauczor
    Department of Radiology, Johannes Gutenberg University, Mainz, Germany
    Top Magn Reson Imaging 14:223-30. 2003
    ..The clinical significance of the increase in sensitivity and sensitivity associated with 3He MRI is yet to be determined...
  86. ncbi Pulmonary gas exchange in coronary artery surgery patients during sevoflurane and isoflurane anesthesia
    Alexander Loeckinger
    Department of Anesthesiology, Critical Care and Emergency Medicine, The Leopold Franzens University Innsbruck, Innsbruck, Austria
    Anesth Analg 94:1107-12, table of contents. 2002
    ..We conclude that both sevoflurane and isoflurane alter the distribution of perfusion in the lung, but only sevoflurane significantly depresses PaO(2)...
  87. ncbi Pressure-controlled ventilation improves oxygenation during laparoscopic obesity surgery compared with volume-controlled ventilation
    P Cadi
    Department of Anaesthesia and Intensive Care Unit, Assistance Publique Hopitaux de Paris, Hopital Europeen Georges Pompidou, 20 40, rue Leblanc, 75908 Paris Cedex 15, France
    Br J Anaesth 100:709-16. 2008
    ..We compared pressure and volume-controlled ventilation (PCV and VCV) in morbidly obese patients undergoing laparoscopic gastric banding surgery...
  88. ncbi Elucidation of structure-function relationships in the lung: contributions from hyperpolarized 3helium MRI
    Hans Ulrich Kauczor
    Departments of Radiology, Johannes Gutenberg University, Mainz, Germany
    Clin Physiol Funct Imaging 22:361-9. 2002
    ..Thus, pulmonary perfusion, ventilation /perfusion ratio and oxygen uptake can be indirectly assessed. Further research will determine the significance of the functional information with regard to physiology and patient management...
  89. ncbi A comparison of the end-tidal-CO2 documented by capnometry and the arterial pCO2 in emergency patients
    G Prause
    Department of Anaesthesiology and Intensive Care Medicine, University of Graz, Austria
    Resuscitation 35:145-8. 1997
    ....
  90. ncbi PaCO(2)/ETCO(2) gradient: early indicator of thrombolysis efficacy in a massive pulmonary embolism
    F Thys
    Service des Urgences, Cliniques Universitaires Saint Luc, , Avenue Hippocrate 10, 1200 Brussels, Belgium
    Resuscitation 49:105-8. 2001
    ..With these limitations, we conclude that the P(a-ET)CO(2) gradient should be evaluated as an indicator of pulmonary reperfusion in massive pulmonary embolism...
  91. ncbi Cause of regional ventilation-perfusion mismatching in patients with idiopathic pulmonary fibrosis: a combined CT and scintigraphic study
    N H Strickland
    Department of Diagnostic Radiology, Royal Postgraduate Medical School, Hammersmith Hospital, London, United Kingdom
    AJR Am J Roentgenol 161:719-25. 1993
    ....
  92. ncbi Inhalation of crack cocaine can mimic pulmonary embolism
    Siva Ramachandaran
    Division of Pulmonary and Critical Care Medicine, Department of Medicine, Drexel University College of Medicine, Philadelphia, Pennsylvania, USA
    Clin Nucl Med 29:756-7. 2004
  93. ncbi Teaching ventilation/perfusion relationships in the lung
    Robb W Glenny
    Department of Medicine, University of Washington, Seattle, Washington 98195, USA
    Adv Physiol Educ 32:192-5. 2008
    ..Finally, use clinically relevant examples at each step and solidify new concepts by discussing differential diagnoses at the end of the lecture(s)...
  94. ncbi The multiple inert gas elimination technique (MIGET)
    Peter D Wagner
    Division of Physiology, Department of Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093 0623A, USA
    Intensive Care Med 34:994-1001. 2008
    ..An overview of the technical details of implementing MIGET is given, and the review ends with potential future applications...
  95. ncbi [Evaluation of thrombolytic therapy by pulmonary radionuclide perfusion imaging in patients with acute pulmonary thromboembolism]
    Wei Fang
    Fuwai Cardiovascular Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100037, China
    Zhonghua Jie He He Hu Xi Za Zhi 26:77-80. 2003
    ..To assess the change of pulmonary perfusion after thrombolytic therapy in patients with acute pulmonary embolism...
  96. ncbi Longitudinal analysis of perfusion lung scintigrams of patients with unoperated chronic thromboembolic pulmonary hypertension
    Nika Skoro-Sajer
    Department of Cardiology, Ludwig Boltzmann Institute for Cardiovascular Research, Vienna, Austria
    Thromb Haemost 92:201-7. 2004
    ..Lung perfusion scintigrams analyzed by a semi-quantitative method in patients with severe unoperated CTEPH show an apparent decrease of segmental flow abnormalities over time, paralleling right ventricular decline...
  97. ncbi Perfluorocarbon and accuracy of tidal volume estimation
    Kevin Morris
    Crit Care Med 31:2081-2. 2003
  98. ncbi Evaluation of the ventilation-perfusion ratio in lung diseases by simultaneous anterior and posterior image acquisition
    Y Nakata
    Department of Radiology, Osaka Medical College, Japan
    Ann Nucl Med 8:269-76. 1994
    ..Simultaneous anterior and posterior planar image acquisition reduces the examining time, is simple, and is noninvasive. The present results also suggest that it is useful for quantitative evaluation of the ventilation-perfusion ratio...
  99. ncbi Outpatient tinzaparin therapy in pulmonary embolism quantified with ventilation/perfusion scintigraphy
    Carl Gustav Olsson
    Department of Internal Medicine, University Hospital Lund, Lund, Sweden
    Med Sci Monit 12:PI9-13. 2006
    ....
  100. ncbi Helical CT for the evaluation of acute pulmonary embolism
    Smita Patel
    Department of Radiology, University of Michigan, 1500 E Medical Center Dr, TC2910D, Ann Arbor, MI 48109 0326, USA
    AJR Am J Roentgenol 185:135-49. 2005
    ..In this article, we review the current role of CT pulmonary angiography and indirect CT venography for the evaluation of pulmonary thromboembolic disease...
  101. ncbi Correlation between ventilation and perfusion determines VA/Q heterogeneity in endotoxemia
    A J Gerbino
    Department of Medicine, University of Washington, Seattle 98195, USA
    J Appl Physiol (1985) 88:1933-42. 2000
    ..We conclude that VA/Q heterogeneity increases during endotoxemia primarily as a result of the decrease in correlation between regional ventilation and perfusion, which is in turn determined primarily by changes in perfusion...

Research Grants34

  1. VENTILATION PERFUSION DISTRIBUTION IN THE LUNG
    MICHAEL HLASTALA; Fiscal Year: 1999
    This proposal represents a continuation of the past 27 years of research into the mechanisms of ventilation perfusion ratio distribution in the lungs...
  2. Influence of spatial patterns of ventilation &perfusion on gas exchange in COPD
    ANGELA CORTNEY HENDERSON; Fiscal Year: 2012
    ..The aims of COPDGene are highly synergistic with this proposal, thus allowing for characterization of the subtypes of COPD based on physiological mechanisms. ..
  3. Influence of spatial patterns of ventilation & perfusion on gas exchange in COPD
    Angela Henderson; Fiscal Year: 2009
    ....
  4. IMPROVEMENT IN REGIONAL VENTILATION-PERFUSION RESOLUTION
    Richard Mitchell; Fiscal Year: 1980
    ....
  5. EPITHELIUM AND BRONCHIAL REACTIVITY
    Paul Vanhoutte; Fiscal Year: 1992
    ....
  6. Surrogate markers for Severe Pulmonary Embolism
    JEFFREY KLINE; Fiscal Year: 2005
    ..This study will determine if criteria that are widely and immediately available in most hospitals can be used to risk-stratify severity of PE and to clarify the role of nonmalignant thrombophilias on the prognosis of PE. ..
  7. Expired CO2/O2 Analysis to Diagnose Pulmonary Embolism
    JEFFREY KLINE; Fiscal Year: 2008
    ..This project will fund a clinical study designed to test the diagnostic accuracy of a hand- held breath device that detects the altered gas exchange physiology caused by PE in post-surgical and other patients at high risk for PE. ..
  8. Pretest Probability Assessment for Pulmonary Embolism
    JEFFREY KLINE; Fiscal Year: 2005
    ..In phase III, we will test the validity of the PE PREtest Consult TM and determine if the use of the PE PREtest ConsultTM will decrease unnecessary testing for PE. ..
  9. Lung Perfusion Heterogeneity and Mechanisms of Edema
    Susan R Hopkins; Fiscal Year: 2010
    ..abstract_text> ..
  10. Physiological Consequences of Hypoxia and Lung Disease
    Peter Wagner; Fiscal Year: 2008
    ..abstract_text> ..
  11. HYPOXIC PULMONARY VASOCANSTRICTION AND RED BLOOD CELLS
    Steven Deem; Fiscal Year: 2002
    ....
  12. The Effect of Pulmonary Interstitial Edema on Gas Exchange
    G Prisk; Fiscal Year: 2009
    ..3) Define and quantify the relationship between alterations in the heterogeneity of pulmonary blood flow and lung water content using functional magnetic resonance imaging (fMRI) and X-ray techniques. ..
  13. Red Blood Cells, Nitric Oxide and Pulmonary Circulation
    Steven Deem; Fiscal Year: 2008
    ..abstract_text> ..
  14. Pulmonary Vascular Tree Development, Growth & Remodling
    Robb Glenny; Fiscal Year: 2005
    ..The findings will fill important gaps in our knowledge of pulmonary vascular development and triggers of remodeling. ..
  15. Deposition of 0.5 to 2 Micron Aerosol in the Human Lung
    G Prisk; Fiscal Year: 2003
    ..5 to 1 micron). Such information will provide a much-improved basis for the assessment of exposure to small inhaled particles both in long duration spaceflight and on Earth. ..
  16. Effects of lung water on mechanics and blood flow
    Angela Henderson; Fiscal Year: 2007
    ..unreadable] [unreadable]..
  17. Compact, low-maintenance MRI system for animal lung imaging
    DEAN KUETHE; Fiscal Year: 2007
    ..In Phase II, we will integrate the permanent magnet with compact electronics to create a prototype small animal imaging system. [unreadable] [unreadable] [unreadable]..
  18. Infrastructure and Applications of Hyperpolarized 129Xe
    Samuel Patz; Fiscal Year: 2006
    ..A polarizer will be built, sited and supported at Brigham and Women's Hospital. Animal and human studies are proposed to demonstrate the structural and functional information 129Xe MRI can provide. ..
  19. Validation of regional ventilation & perfusion and PA02 with a gold standard
    Masaru Ishii; Fiscal Year: 2008
    ..Key Words: Polarized Gas MRI; Regional Ventilation; Regional Perfusion; Pegional PAO2 [unreadable] [unreadable] [unreadable]..
  20. Quantification of Regional Myocardial Oxygenation by MRI
    Jie Zheng; Fiscal Year: 2008
    ..Ultimately, the proposed methods may facilitate more comprehensive MRI assessments of CAD and other cardiac diseases. [unreadable] [unreadable]..
  21. DYNAMICS OF ALVEOLAR RECRUITMENT IN LUNG INJURY
    Robert Harris; Fiscal Year: 2005
    ..SA3 will compare local measurements of recruitment by PET with the global measures of recruitment by NO uptake kinetics and lung mechanics. ..
  22. Regional Hypoxic Pulmonary Vasoconstriction
    MICHAEL HLASTALA; Fiscal Year: 2006
    ..The results of the research will provide a more detailed understanding of the local and cellular mechanisms responsible for HPVR heterogeneity and mechanisms of development of disease in the mammalian lung. [unreadable] [unreadable]..
  23. Ventilator-Induced Lung Injury:Mechanisms & Consequences
    Scott Sinclair; Fiscal Year: 2005
    ..Aim 3A: Document cyclical airway collapse and reopening via changes in regional ventilation distribution. Aim 3B: Validate a method to estimate appropriate PEEP level to prevent cyclical airway collapse. ..
  24. NMR IMAGING OF INERT FLUORINATED GASES IN LUNGS
    DEAN KUETHE; Fiscal Year: 2002
    ..With this second aim, we will advance inert fluorinated gas imaging beyond a development and demonstration stage to a new research tool that provides previously unavailable data to medical research. ..
  25. GAS EXCHA03NGE IMAGING IN THE LUNG USING MRI
    Samuel Patz; Fiscal Year: 2001
    ..Early detection of the loss of alveolar surface area is a serious public health imperative, since chronic obstructive pulmonary disease is now the Th leading cause of death in the US. ..
  26. PROSPECTIVE INVESTIGATION OF PULMONARY EMBOLISM DX-II
    Paul Stein; Fiscal Year: 2003
    ..4) The team of investigators is strong, and has collaborated previously in successful research in PE. ..
  27. Prospective Investigation for Pulmonary Embolism Dx III
    Paul Stein; Fiscal Year: 2008
    ..abstract_text> ..
  28. Dose and image quality in adult and pediatric CT
    Walter Huda; Fiscal Year: 2006
    ..Determine the choice of kVp/mAs and PR/mAs that minimize patient doses with no loss of diagnostic performance. 3. Help the Radiology community to balance the confliciting requirements of image quality and patient doses in clinical CT. ..
  29. MANAGEMENT OF PATIENTS WITH SUSPECTED PULMONARY EMBOLISH
    Suman Rathbun; Fiscal Year: 2005
    ..abstract_text> ..
  30. V & Q Disturbances in Obliterative Bronchiolitis
    David Lipson; Fiscal Year: 2005
    ..abstract_text> ..
  31. SITES OF ACTION OF INHALATIONAL ANESTHETICS ON HPV
    James Baumgardner; Fiscal Year: 2001
    ..Understanding the sites of anesthetic action is of fundamental importance but may also lead to improved patient management. ..
  32. Strategies to Prevent COPD Exacerbation
    Fernando Martinez; Fiscal Year: 2007
    ..abstract_text> ..