S Achenbach

Summary

Affiliation: University of Erlangen-Nuremberg
Country: Germany

Publications

  1. ncbi request reprint Overlapping cross-sections significantly improve the reproducibility of coronary calcium measurements by electron beam tomography: a phantom study
    S Achenbach
    Department of Internal Medicine II, University of Erlangen Nurnberg, Erlangen, Germany
    J Comput Assist Tomogr 25:569-73. 2001
  2. ncbi request reprint [Detection of coronary calcifications by electron beam tomography and multislice spiral CT: clinical relevance]
    S Achenbach
    CIMIT, Massachusetts General Hospital, 100 Charles River Plaza, Suite 400, Boston, MA 02114, USA
    Z Kardiol 92:899-907. 2003
  3. ncbi request reprint Comparison of image quality in contrast-enhanced coronary-artery visualization by electron beam tomography and retrospectively electrocardiogram-gated multislice spiral computed tomography
    Stephan Achenbach
    Department of Internal Medicine II, Institute of Diagnostic Radiology, University of Erlangen Nurnberg, Erlangen, Germany
    Invest Radiol 38:119-28. 2003
  4. ncbi request reprint Influence of lipid-lowering therapy on the progression of coronary artery calcification: a prospective evaluation
    Stephan Achenbach
    Department of Internal Medicine II, University of Erlangen Nurnberg, Germany
    Circulation 106:1077-82. 2002
  5. ncbi request reprint Recommendations for standardization of EBT and MSCT scanning
    S Achenbach
    Medizinische Klinik II mit Poliklinik, Universitat Erlangen Nurnberg
    Herz 26:273-7. 2001
  6. ncbi request reprint Noninvasive coronary angiography by magnetic resonance imaging, electron-beam computed tomography, and multislice computed tomography
    S Achenbach
    Department of Cardiology, University of Erlangen Nuernberg, Erlangen, Germany
    Am J Cardiol 88:70E-73E. 2001
  7. ncbi request reprint Detection of coronary artery stenoses by contrast-enhanced, retrospectively electrocardiographically-gated, multislice spiral computed tomography
    S Achenbach
    Department of Internal Medicine II, Institute of Medical Physics, University of Erlangen Nurnberg, Germany
    Circulation 103:2535-8. 2001
  8. ncbi request reprint Variability of repeated coronary artery calcium measurements by electron beam tomography
    S Achenbach
    Department of Internal Medicine II Cardiology, University of Erlangen Nurnberg, Germany
    Am J Cardiol 87:210-3, A8. 2001
  9. ncbi request reprint Noninvasive coronary angiography by retrospectively ECG-gated multislice spiral CT
    S Achenbach
    Department of Internal Medicine II, University of Erlangen Nurnberg, Germany
    Circulation 102:2823-8. 2000
  10. pmc Contrast enhanced electron beam computed tomography to analyse the coronary arteries in patients after acute myocardial infarction
    S Achenbach
    Department of Internal Medicine II, University of Erlangen Nurnberg, Ostliche Stadtmauerstr 29, D 91054 Erlangen, Germany
    Heart 84:489-93. 2000

Collaborators

Detail Information

Publications87

  1. ncbi request reprint Overlapping cross-sections significantly improve the reproducibility of coronary calcium measurements by electron beam tomography: a phantom study
    S Achenbach
    Department of Internal Medicine II, University of Erlangen Nurnberg, Erlangen, Germany
    J Comput Assist Tomogr 25:569-73. 2001
    ..We conducted phantom studies to investigate whether overlapping cross-sections and volumetric scoring would significantly improve interscan reproducibility of electron beam tomography (EBT) for coronary artery calcium quantification...
  2. ncbi request reprint [Detection of coronary calcifications by electron beam tomography and multislice spiral CT: clinical relevance]
    S Achenbach
    CIMIT, Massachusetts General Hospital, 100 Charles River Plaza, Suite 400, Boston, MA 02114, USA
    Z Kardiol 92:899-907. 2003
    ..Pronounced coronary calcifications as an isolated finding should therefore not be the motivation for invasive diagnostic procedures in the absence of other evidence of ischemic heart disease...
  3. ncbi request reprint Comparison of image quality in contrast-enhanced coronary-artery visualization by electron beam tomography and retrospectively electrocardiogram-gated multislice spiral computed tomography
    Stephan Achenbach
    Department of Internal Medicine II, Institute of Diagnostic Radiology, University of Erlangen Nurnberg, Erlangen, Germany
    Invest Radiol 38:119-28. 2003
    ..To compare the image quality of electron beam tomography (EBT) and multislice spiral CT (MSCT) for coronary artery visualization...
  4. ncbi request reprint Influence of lipid-lowering therapy on the progression of coronary artery calcification: a prospective evaluation
    Stephan Achenbach
    Department of Internal Medicine II, University of Erlangen Nurnberg, Germany
    Circulation 106:1077-82. 2002
    ..In a cohort study, we prospectively investigated whether lipid-lowering therapy with a cholesterol synthesis enzyme inhibitor reduces the progression of coronary calcification...
  5. ncbi request reprint Recommendations for standardization of EBT and MSCT scanning
    S Achenbach
    Medizinische Klinik II mit Poliklinik, Universitat Erlangen Nurnberg
    Herz 26:273-7. 2001
    ..Since image acquisition, reconstruction and evaluation parameters influence the results of calcium quantification with CT techniques, standardization of the investigation is mandatory to make results comparable...
  6. ncbi request reprint Noninvasive coronary angiography by magnetic resonance imaging, electron-beam computed tomography, and multislice computed tomography
    S Achenbach
    Department of Cardiology, University of Erlangen Nuernberg, Erlangen, Germany
    Am J Cardiol 88:70E-73E. 2001
    ..Currently, EBCT seems to permit the most robust coronary artery imaging. In the future, imaging modalities will have to be further improved and validated in order to define specific areas for potential clinical applications...
  7. ncbi request reprint Detection of coronary artery stenoses by contrast-enhanced, retrospectively electrocardiographically-gated, multislice spiral computed tomography
    S Achenbach
    Department of Internal Medicine II, Institute of Medical Physics, University of Erlangen Nurnberg, Germany
    Circulation 103:2535-8. 2001
    ..Multislice spiral computed tomography (MSCT) with retrospectively ECG-gated image reconstruction permits coronary artery visualization. We investigated the method's ability to identify high-grade coronary artery stenoses and occlusions...
  8. ncbi request reprint Variability of repeated coronary artery calcium measurements by electron beam tomography
    S Achenbach
    Department of Internal Medicine II Cardiology, University of Erlangen Nurnberg, Germany
    Am J Cardiol 87:210-3, A8. 2001
    ..2% (median 5.7%) for volumetric scoring. Although this difference was not significant, there was a significant influence of the total amount of calcium, number of acquired images, and image noise on interscan reproducibility...
  9. ncbi request reprint Noninvasive coronary angiography by retrospectively ECG-gated multislice spiral CT
    S Achenbach
    Department of Internal Medicine II, University of Erlangen Nurnberg, Germany
    Circulation 102:2823-8. 2000
    ..We investigated the applicability and image quality of contrast-enhanced coronary artery visualization by multislice spiral CT using retrospective ECG gating...
  10. pmc Contrast enhanced electron beam computed tomography to analyse the coronary arteries in patients after acute myocardial infarction
    S Achenbach
    Department of Internal Medicine II, University of Erlangen Nurnberg, Ostliche Stadtmauerstr 29, D 91054 Erlangen, Germany
    Heart 84:489-93. 2000
    ....
  11. ncbi request reprint Imaging of the coronary arteries using magnetic resonance angiography
    S Achenbach
    Medizinische Klinik II mit Poliklinik Friedrich Alexander Universität Erlangen Nürnberg, Germany
    Z Kardiol 89:21-6. 2000
    ..Further improvements can be expected from new, intravascular contrast agents and from ultrafast sequences which permit acquisition of a sufficiently large imaging volume within one single breathold...
  12. ncbi request reprint Noninvasive detection of coronary artery stenosis using contrast-enhanced three-dimensional breath-hold magnetic resonance coronary angiography
    M Regenfus
    Department of Internal Medicine II, University of Erlangen Nurnberg, Germany
    J Am Coll Cardiol 36:44-50. 2000
    ..The purpose of this study was to evaluate a contrast-enhanced three-dimensional (3D) breath-hold magnetic resonance (MR) technique for detection of coronary artery stenoses...
  13. ncbi request reprint In-plane coronary arterial motion velocity: measurement with electron-beam CT
    S Achenbach
    Department of Internal Medicine II, University of Erlangen Nuernberg, Oestliche Stadtmauerstr 29, D 91054, Erlangen, Germany
    Radiology 216:457-63. 2000
    ..To determine the speed of and changes in the speed of coronary arterial movement during the cardiac cycle with electron-beam computed tomography (CT)...
  14. pmc Coronary calcifications in young patients with first, unheralded myocardial infarction: a risk factor matched analysis by electron beam tomography
    K Pohle
    Department of Cardiology, University Erlangen Nurnberg, Germany
    Heart 89:625-8. 2003
    ..To compare the presence and extent of coronary calcifications in young patients with first, unheralded acute myocardial infarction with matched controls without a history of coronary artery disease...
  15. ncbi request reprint Progression of aortic valve calcification: association with coronary atherosclerosis and cardiovascular risk factors
    K Pohle
    Department of Internal Medicine II, University of Erlangen, Germany
    Circulation 104:1927-32. 2001
    ..We investigated the influence of the LDL cholesterol level (LDL), other standard cardiovascular risk factors, and the extent of coronary calcification (CC) on the progression of AVC quantified by electron beam tomography (EBT)...
  16. doi request reprint Differentiation of total occlusion and high-grade stenosis in coronary CT angiography
    J von Erffa
    Department of Internal Medicine 2, University of Erlangen, Ulmenweg 18, 91054, Erlangen, Germany
    Eur Radiol 18:2770-5. 2008
    ..Lesion length is the only parameter that may differentiate complete occlusions and high-grade stenoses in coronary CTA. For lesions > or = 9 mm, an occlusion is very likely...
  17. ncbi request reprint Visualization of coronary artery anomalies and their anatomic course by contrast-enhanced electron beam tomography and three-dimensional reconstruction
    D Ropers
    Department of Internal Medicine II, University of Erlangen Nuernberg, Germany
    Am J Cardiol 87:193-7. 2001
    ..This study demonstrates that contrast-enhanced EBT is a reliable noninvasive technique to identify anomalous coronary arteries and their course...
  18. ncbi request reprint Non-interventional cardiac diagnostics: computed tomography, magnetic resonance and real-time three-dimensional echocardiography. Techniques and clinical applications
    D Ropers
    Department of Internal Medicine II Cardiology, University of Erlangen Nuremberg, Erlangen, Germany
    Minerva Cardioangiol 52:407-17. 2004
    ..Because both, CT and MR, have been successfully applied to visualize the coronary arteries, this article focuses on the abilities and limitations of CT and MR coronary artery imaging...
  19. doi request reprint Dual source multidetector CT-angiography before Transcatheter Aortic Valve Implantation (TAVI) using a high-pitch spiral acquisition mode
    W Wuest
    Department of Radiology, University of Erlangen, Maximiliansplatz 1, 91054 Erlangen, Germany
    Eur Radiol 22:51-8. 2012
    ..We evaluated ECG-triggered high-pitch spiral dual source Computed Tomography (CT) with minimized volume of contrast agent to assess aortic root anatomy and vascular access...
  20. ncbi request reprint [Non-invasive coronary angiography: current status and perspectives]
    S Achenbach
    Medizinische Klinik 2 Kardiologie und Angiologie, Universitatsklinikum Erlangen
    Dtsch Med Wochenschr 132:750-6. 2007
  21. ncbi request reprint Hepatitis B virus vaccination of blood donors--what costs may be expected?
    J Ringwald
    Department of Transfusion Medicine and Haemostaseology, Friedrich Alexander Universitat Erlangen Nurnberg, Erlangen, Germany
    Transfus Med 15:83-92. 2005
    ..With regard to the primary costs for the blood donation service, HBV vaccination of BDs could be an alternative to HBV NAT testing, especially for BDPs with an already high HBV vaccination rate and a high donation frequency...
  22. pmc Factors associated with coronary artery calcification in young female patients with SLE
    K Manger
    Department of Internal Medicine III and Institute for Clinical Immunology, University Erlangen Nuremberg, Germany Department of Internal Medicine II, University Erlangen Nuremberg, Germany
    Ann Rheum Dis 62:846-50. 2003
    ..With improved survival rates of patients with systemic lupus erythematosus (SLE), damage such as accelerated atherosclerosis gains increasing importance...
  23. doi request reprint The transradial approach. An increasingly used standard for coronary diagnosis and interventions
    J Ludwig
    Medizinische Klinik 2, Kardiologie, Angiologie, University Hospital Erlangen, Ulmenweg 18, Erlangen, Germany
    Herz 36:386-95. 2011
    ..The advantage regarding access site complications could be seen even when closure devices were utilized for transfemoral procedures...
  24. ncbi request reprint Detection of high-grade restenosis after PTCA using contrast-enhanced electron beam CT
    S Achenbach
    Department of Internal Medicine II, University of Erlangen Nurnberg, Erlangen, Germany
    Circulation 96:2785-8. 1997
    ..We determined the value of EBCT to noninvasively detect high-grade restenosis after percutaneous transluminal coronary angioplasty (PTCA)...
  25. ncbi request reprint Prenatal diagnosis of QT prolongation by magnetocardiography
    T Menendez
    Department of Internal Medicine II, University of Erlangen Nurnberg, Germany
    Pacing Clin Electrophysiol 23:1305-7. 2000
    ..In this way measurements of cardiac time intervals, including the QT interval, become possible. The following article constitutes the first report of antenatal detection of QT prolongation in two fetuses by FMCG...
  26. doi request reprint Current status of cardiac CT for the detection of myocardial ischemia
    A Schuhbäck
    Department of Cardiology, University of Erlangen, Ulmenweg 18, Erlangen, Germany
    Herz 38:359-66. 2013
    ....
  27. doi request reprint Effect of CT scan protocols on x-ray-induced DNA double-strand breaks in blood lymphocytes of patients undergoing coronary CT angiography
    M A Kuefner
    Department of Radiology, University of Erlangen Nurnberg, Maximiliansplatz 1, 91054, Erlangen, Germany
    Eur Radiol 20:2917-24. 2010
    ..To compare in vivo DNA lesions induced during helical and sequential coronary computed tomography angiography (CTA) and to evaluate the effect of CT parameters on double-strand break (DSB) levels...
  28. ncbi request reprint Atherosclerosis and vascular calcification in chronic renal failure
    V Campean
    Department of Pathology, Med II and Med IV, University of Erlangen Nurnberg, Erlangen, Germany
    Kidney Blood Press Res 28:280-9. 2005
    ....
  29. ncbi request reprint Evidence for lower variability of coronary artery calcium mineral mass measurements by multi-detector computed tomography in a community-based cohort--consequences for progression studies
    Udo Hoffmann
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 100 Charles River Plaza Suite 400, Boston, MA 02114, USA
    Eur J Radiol 57:396-402. 2006
    ....
  30. ncbi request reprint Quantitative parameters of image quality in 64-slice computed tomography angiography of the coronary arteries
    Maros Ferencik
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 165 Cambridge Street, Suite 400, Boston, MA, USA
    Eur J Radiol 57:373-9. 2006
    ..Low heart rate is an important prerequisite for excellent image quality...
  31. ncbi request reprint Coronary multidetector computed tomography in the assessment of patients with acute chest pain
    Udo Hoffmann
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 165 Charles River Plaza, Ste 400, Boston, MA 02114, USA
    Circulation 114:2251-60. 2006
    ....
  32. ncbi request reprint Accuracy of 16-slice multi-detector CT to quantify the degree of coronary artery stenosis: assessment of cross-sectional and longitudinal vessel reconstructions
    Ricardo C Cury
    Department of Radiology, Massachusetts General Hospital, Boston, MA 02114, USA
    Eur J Radiol 57:345-50. 2006
    ..The purpose of this study was to determine the accuracy of MDCT to quantify the degree of coronary stenosis as compared to quantitative coronary angiography (QCA) using two different reconstruction methods...
  33. ncbi request reprint Comparison of sixty-four-slice multidetector computed tomographic coronary angiography to coronary angiography with intravascular ultrasound for the detection of transplant vasculopathy
    Shawn A Gregory
    Cardiology Division, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
    Am J Cardiol 98:877-84. 2006
    ..Further, MDCT measurements of lumen diameters correlated well with quantitative coronary angiography...
  34. ncbi request reprint Three-dimensional on-line reconstruction of coronary bifurcated lesions to optimize side-branch stenting
    Christian Schlundt
    Department of Internal Medicine 2, University Hospital Erlangen, Germany
    Catheter Cardiovasc Interv 68:249-53. 2006
  35. ncbi request reprint Treatment of a large coronary saphenous bypass graft aneurysm by implantation of covered stents
    Ralf Zahn
    Med Klinik 8, Kardiologie Angiologie Internistische Intensivmedizin, Klinikum Nürnberg Süd, Breslauer Strasse 201, 90471, Nurnberg, Germany
    Clin Res Cardiol 95:313-5. 2006
  36. ncbi request reprint Characterization of non-calcified coronary atherosclerotic plaque by multi-detector row CT: comparison to IVUS
    Karsten Pohle
    Department of Internal Medicine, University of Erlangen, Erlangen, Germany
    Atherosclerosis 190:174-80. 2007
    ..We investigated the CT attenuation of non-calcified plaques as determined by 16-slice MDCT in comparison to intravascular ultrasound (IVUS)...
  37. ncbi request reprint Usefulness of multidetector row spiral computed tomography with 64- x 0.6-mm collimation and 330-ms rotation for the noninvasive detection of significant coronary artery stenoses
    Dieter Ropers
    Department of Internal Medicine II, University of Erlangen, Erlangen, Germany
    Am J Cardiol 97:343-8. 2006
    ..Sensitivity and specificity in evaluable arteries were 95% and 93%, respectively. In a per-patient analysis (81 of 84 patients included), sensitivity and specificity were 96% and 91%, respectively...
  38. ncbi request reprint Improved vessel morphology measurements in contrast-enhanced multi-detector computed tomography coronary angiography with non-linear post-processing
    Maros Ferencik
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 165 Cambridge Street, Suite 400, Boston, MA 02114, USA
    Eur J Radiol 57:380-3. 2006
    ..Post-processing to reduce blurring and noise reduced variability of wall area measurements and reduced measurement bias for both wall area and vessel cross-sectional area...
  39. ncbi request reprint Coronary artery bypass graft (CABG) patency: assessment with high-resolution submillimeter 16-slice multidetector-row computed tomography (MDCT) versus coronary angiography
    Katharina Anders
    Department of Radiology, Friedrich Alexander University of Erlangen Nuremberg, Germany
    Eur J Radiol 57:336-44. 2006
    ..To investigate the ability of 16-slice multidetector-row computed tomography (MDCT) to visualize coronary artery bypass graft (CABG) patency and to detect bypass stenoses...
  40. ncbi request reprint Computed tomography coronary angiography
    Stephan Achenbach
    Department of Cardiology, University of Erlangen Nurnberg, Erlangen, Germany
    J Am Coll Cardiol 48:1919-28. 2006
    ....
  41. doi request reprint Assessing the prognostic value of coronary computed tomography angiography
    Stephan Achenbach
    J Am Coll Cardiol 52:1344-6. 2008
  42. doi request reprint Quantification of nonculprit coronary lesions: comparison of cardiac 64-MDCT and invasive coronary angiography
    Jonathan D Dodd
    Department of Radiology, St Vincent s University Hospital, Elm Park, Dublin 4, Ireland
    AJR Am J Roentgenol 191:432-8. 2008
    ..The purpose of our study was to evaluate the accuracy of cardiac 64-MDCT to quantify the grade of stenosis of nonculprit lesions...
  43. doi request reprint Arithmetic of vulnerable plaques for noninvasive imaging
    Jagat Narula
    University of California Irvine School of Medicine, Orange, CA 92868 4080, USA
    Nat Clin Pract Cardiovasc Med 5:S2-10. 2008
    ..Precise metrics of typical vulnerable atherosclerotic plaque dimensions will need to be defined to facilitate their identification by noninvasive imaging modalities...
  44. ncbi request reprint Developments in coronary CT angiography
    Stephan Achenbach
    Department of Cardiology, University of Erlangen, Ulmenweg 18, 91054 Erlangen, Germany
    Curr Cardiol Rep 10:51-9. 2008
    ..Further improvements in technology are expected to allow expansion of indications for coronary CTA in the future...
  45. doi request reprint Assessment of changes in non-calcified atherosclerotic plaque volume in the left main and left anterior descending coronary arteries over time by 64-slice computed tomography
    Michael Schmid
    Department of Internal Medicine II, University of Erlangen, Erlangen, Germany
    Am J Cardiol 101:579-84. 2008
    ..A significant increase of the amount of noncalcified plaque was observed over a mean interval of 17 months. Contrast-enhanced MDCT may therefore be a tool to study the progression of coronary atherosclerosis...
  46. doi request reprint Dual-source cardiac computed tomography: image quality and dose considerations
    Stephan Achenbach
    Department of Cardiology, University Erlangen Nuernberg, Ulmenweg 18, 91054 Erlangen, Germany
    Eur Radiol 18:1188-98. 2008
    ..Various strategies to lower radiation exposure are available today, and DSCT offers specific potential for this...
  47. ncbi request reprint Influence of heart rate on the diagnostic accuracy of dual-source computed tomography coronary angiography
    Ulrike Ropers
    Department of Internal Medicine 2 Cardiology Angiology, University of Erlangen Nuremberg, Erlangen, Germany
    J Am Coll Cardiol 50:2393-8. 2007
    ..We evaluated the influence of heart rate on image quality and diagnostic accuracy of dual-source computed tomography (DSCT) coronary angiography...
  48. ncbi request reprint Validation of a raw data-based synchronization signal (kymogram) for phase-correlated cardiac image reconstruction
    Dirk Ertel
    Institute of Medical Physics IMP, University of Erlangen Nurnberg, Henkestrasse 91, 91052 Erlangen, Germany
    Eur Radiol 18:253-62. 2008
    ..Improvements of image quality by the kymogram function were observed in a noticeable number of cases. The kymogram can serve as a backup solution when an ECG is not available or lacking in quality...
  49. ncbi request reprint Diagnostic accuracy of image postprocessing methods for the detection of coronary artery stenoses by using multidetector CT
    Maros Ferencik
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
    Radiology 243:696-702. 2007
    ....
  50. ncbi request reprint Current role of cardiac computed tomography
    Stephan Achenbach
    Department of Medicine 2, University Hospital Erlangen, Germany
    Herz 32:97-107. 2007
    ..Ideally, "negative" coronary angiograms would be avoided by using coronary CT angiography. Large-scale trials that would pinpoint specific patient groups to benefit from "CT coronary angiography" are currently lacking...
  51. ncbi request reprint Thrombotic occlusion proximal to plaque rupture in acute myocardial infarction: evaluation by intravascular ultrasound and coronary angioscopy
    Sei Komatsu
    Int J Cardiol 123:e12-4. 2007
    ..IVUS and angioscopy might be effective for detecting and evaluating the infarct-related vulnerable plaque and for making the therapeutic strategy when percutaneous coronary interventions are performed...
  52. ncbi request reprint Detecting of coronary dissection by coronary magnetic resonance
    Sei Komatsu
    Int J Cardiol 126:e58-60. 2008
    ..Magnetic resonance was thought to be useful to detect and follow up the coronary dissection noninvasively...
  53. ncbi request reprint Rawdata-based detection of the optimal reconstruction phase in ECG-gated cardiac image reconstruction
    Dirk Ertel
    Institute of Medical Physics, University of Erlangen Nurnberg, Germany
    Med Image Comput Comput Assist Interv 9:348-55. 2006
    ..Additionally, reconstructed cardiac images are shown which confirm the results expressed by the correlation measurement and in some cases even indicating an improvement using the proposed method...
  54. ncbi request reprint Diagnostic accuracy of noninvasive coronary angiography in patients after bypass surgery using 64-slice spiral computed tomography with 330-ms gantry rotation
    Dieter Ropers
    Department of Internal Medicine 2, University of Erlangen, Erlangen, Germany
    Circulation 114:2334-41; quiz 2334. 2006
    ..However, the assessment of native coronary arteries in addition to CABG has thus far not been sufficiently validated...
  55. ncbi request reprint Threshold-dependent variability of coronary artery calcification measurements -- implications for contrast-enhanced multi-detector row-computed tomography
    Fabian Moselewski
    Division of Cardiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
    Eur J Radiol 57:390-5. 2006
    ..The present study investigated the threshold-dependent variability of coronary artery calcification (CAC) measurements and the potential to quantify CAC in contrast-enhanced multi-detector row-computed tomography (MDCT)...
  56. ncbi request reprint Imaging of coronary atherosclerosis using computed tomography: current status and future directions
    Stephan Achenbach
    Medizinische Klinik II mit Poliklinik, Universitat Erlangen Nurnberg, Ulmenweg 18, 91054 Erlangen, Germany
    Curr Atheroscler Rep 6:213-8. 2004
    ....
  57. ncbi request reprint Assessment of coronary remodeling in stenotic and nonstenotic coronary atherosclerotic lesions by multidetector spiral computed tomography
    Stephan Achenbach
    Department of Radiology, Massachusetts General Hospital, Boston, MA, USA
    J Am Coll Cardiol 43:842-7. 2004
    ..This study was designed to investigate whether contrast-enhanced multidetector spiral CT (MDCT) permits assessment of remodeling in coronary atherosclerotic lesions...
  58. ncbi request reprint Detection of coronary stenoses by multidetector computed tomography: it's all about resolution
    Stephan Achenbach
    J Am Coll Cardiol 43:840-1. 2004
  59. ncbi request reprint Clinical results of minimally invasive coronary angiography using computed tomography
    Stephan Achenbach
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA 02114, USA
    Cardiol Clin 21:549-59. 2003
    ..The development of techniques to visualize non-calcified plaque is interesting with respect to assessment of coronary risk, but this requires further investigation...
  60. ncbi request reprint Detection of calcified and noncalcified coronary atherosclerotic plaque by contrast-enhanced, submillimeter multidetector spiral computed tomography: a segment-based comparison with intravascular ultrasound
    Stephan Achenbach
    Department of Radiology, Massachusetts General Hospital, Boston, USA
    Circulation 109:14-7. 2004
    ..We investigated the ability of multidetector spiral computed tomography (MDCT) to detect atherosclerotic plaque in nonstenotic coronary arteries...
  61. ncbi request reprint Relation between coronary calcium and 10-year risk scores in primary prevention patients
    Stephan Achenbach
    Department of Radiology and Cardiology Division, Massachusetts General Hospital, Boston, Massacusetts 02114, USA
    Am J Cardiol 92:1471-5. 2003
    ..19 to 0.28). The assessment of coronary calcium may thus potentially yield information that is additive to the analysis of traditional risk factors...
  62. ncbi request reprint Quantitative parameters of image quality in multidetector spiral computed tomographic coronary imaging with submillimeter collimation
    Maros Ferencik
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA
    Am J Cardiol 92:1257-62. 2003
    ..83 to 0.87). In conclusion, MDCT with submillimeter collimation and improved temporal resolution permits reliable visualization of the vessel lumen and accurate measurements of vessel dimensions...
  63. ncbi request reprint Tomographic coronary angiography by EBCT and MDCT
    Stephan Achenbach
    Department of Radiology, Massachusetts General Hospital, Boston 02114, USA
    Prog Cardiovasc Dis 46:185-95. 2003
    ..Other applications include the analysis of bypass patency and evaluation of coronary anomalies...
  64. ncbi request reprint [Clinical Use of Multi-Slice CT Coronary Angiography]
    Stephan Achenbach
    Massachusetts General Hospital, CIMIT Vulnerable Plaque Program, Boston, MA 02114, USA i erlangen de
    Herz 28:119-25. 2003
    ..Further studies are necessary to identify patient subgroups which might benefit from MSCT "noninvasive coronary angiography" in a clinical setting...
  65. ncbi request reprint Diagnostic value of maximum intensity projections versus source images for assessment of contrast-enhanced three-dimensional breath-hold magnetic resonance coronary angiography
    Matthias Regenfus
    Department of Internal Medicine II, Friedrich Alexander Universitaet Erlangen Nuernberg, Ulmenweg 18, 91054 Erlangen, Germany
    Invest Radiol 38:200-6. 2003
    ..We compared maximum intensity projections (MIP) versus original source images (SI) in respect to detection of coronary artery stenoses by means of magnetic resonance (MR) coronary angiography...
  66. ncbi request reprint Detection of coronary artery stenoses with thin-slice multi-detector row spiral computed tomography and multiplanar reconstruction
    Dieter Ropers
    Department of Cardiology, University of Erlangen Nurnberg, Germany
    Circulation 107:664-6. 2003
    ....
  67. ncbi request reprint Comparison of contrast-enhanced breath-hold and free-breathing respiratory-gated imaging in three-dimensional magnetic resonance coronary angiography
    Matthias Regenfus
    Department of Internal Medicine II, Friedrich Alexander Universitaet Erlangen Nuernberg, Erlangen, Germany
    Am J Cardiol 90:725-30. 2002
    ..0320), whereas specificity and overall accuracy were not significantly different. Thus, contrast-enhanced BH MR coronary angiography compares favorably to FBRG imaging with regard to image quality and detection of coronary stenoses...
  68. ncbi request reprint Noninvasive visualization of coronary arteries using contrast-enhanced multidetector CT: influence of heart rate on image quality and stenosis detection
    Tom Giesler
    Department of Internal Medicine II, Universität Erlangen Nuernberg, Ulmenweg 18, D 91054 Erlangen, Germany
    AJR Am J Roentgenol 179:911-6. 2002
    ..We investigated the influence of a patient's heart rate on the presence of motion artifacts and on accuracy of stenosis detection on contrast-enhanced MDCT...
  69. ncbi request reprint A direct comparison of noninvasive coronary angiography by electron beam tomography and navigator-echo-based magnetic resonance imaging for the detection of restenosis following coronary angioplasty
    Dieter Ropers
    Department of Internal Medicine, Biometry, and Epidemiology, University of Erlangen Nuernberg, Erlangen, Germany
    Invest Radiol 37:386-92. 2002
    ..To compare electron beam tomography (EBT) with MR imaging (MRI) for detection of restenosis after coronary angioplasty (PTCA)...
  70. ncbi request reprint Multi-slice spiral CT imaging after surgical treatment of aortic coarctation
    Ulrich Baum
    Institute of Diagnostic Radiology, University of Erlangen Nuremberg, Maximiliansplatz 1, 91054, Erlangen, Germany
    Eur Radiol 15:353-5. 2005
  71. ncbi request reprint Acute myocardial infarction: contrast-enhanced multi-detector row CT in a porcine model
    Udo Hoffmann
    Department of Radiology, Division of Cardiology, Massachusetts General Hospital and Harvard Medical School, 100 Charles River Plaza, Suite 400, Boston, MA 02114, USA
    Radiology 231:697-701. 2004
    ....
  72. ncbi request reprint Images in cardiovascular medicine. Giant true aneurysms of saphenous vein bypass grafts: a rare cause of tumor-like mediastinal masses
    Dieter Ropers
    Department of Internal Medicine II, University of Erlangen Nuremberg, Germany
    Circulation 109:e322-3. 2004
  73. ncbi request reprint Contrast-enhanced coronary artery visualization by dual-source computed tomography--initial experience
    Stephan Achenbach
    Department of Cardiology, University of Erlangen Nurnberg, Ulmenweg 18, 91054 Erlangen, Germany
    Eur J Radiol 57:331-5. 2006
    ..We thus evaluated the performance of a new dual-source CT (DSCT) with a heart rate independent temporal resolution of 83 ms for the visualization of the coronary arteries in 14 consecutive patients...
  74. ncbi request reprint Noncalcified and calcified coronary plaque detection by contrast-enhanced multi-detector computed tomography: a study of interobserver agreement
    Maros Ferencik
    J Am Coll Cardiol 47:207-9. 2006
  75. ncbi request reprint Current and future status on cardiac computed tomography imaging for diagnosis and risk stratification
    Stephan Achenbach
    Medizinische Klinik 2 Kardiologie, Angiologie, Universitatsklinikum Erlangen, Erlangen, Germany
    J Nucl Cardiol 12:703-13. 2005
    ..It is important to note that reliable and accurate results will require use of the most advanced CT scanner technology, optimal image quality, and sufficient experience in the acquisition and interpretation of cardiac CT data sets...
  76. ncbi request reprint Analysis of coronary calcifications versus Framingham and PROCAM risk assessment in patients with a first myocardial infarction
    Karsten Pohle
    Department of Internal Medicine II, University of Erlangen, Germany
    Int J Cardiol 110:231-6. 2006
    ....
  77. ncbi request reprint Three-dimensional visualization of severe pericardial calcification in constrictive pericarditis using multidetector-row computed tomography
    Johannes von Erffa
    Department of Internal Medicine II, University of Erlangen Nuremberg, Ulmenweg 18, 91054 Erlangen, Germany
    Eur Heart J 27:275. 2006
  78. ncbi request reprint Visualization of coronary artery anomalies by contrast-enhanced multi-detector row spiral computed tomography
    Michael Schmid
    Department of Internal Medicine II Cardiology, University of Erlangen, Germany
    Int J Cardiol 111:430-5. 2006
    ..We investigated the potential of 16-slice multi-detector row spiral CT (MDCT) with retrospective ECG-gating for evaluation of coronary artery anomalies...
  79. ncbi request reprint Noninvasive evaluation of cardiac veins with 16-MDCT angiography
    Suhny Abbara
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, CIMIT, 100 Charles River Plaza, Ste 400, Boston, MA 02114, USA
    AJR Am J Roentgenol 185:1001-6. 2005
    ..Anatomic mapping of the cardiac veins is important to guide transvenous therapeutic procedures such as biventricular pacing. As an alternative to invasive venography, we studied the feasibility of MDCT of the cardiac venous anatomy...
  80. ncbi request reprint Computed tomography of the coronary arteries: more than meets the (angiographic) eye
    Stephan Achenbach
    J Am Coll Cardiol 46:155-7. 2005
  81. ncbi request reprint Calcium concentration of individual coronary calcified plaques as measured by multidetector row computed tomography
    Fabian Moselewski
    Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Mass 02114, USA
    Circulation 111:3236-41. 2005
    ..In this study, therefore, we assessed the characteristics of individual calcified plaques and their relationship to other parameters derived from CT analysis of coronary calcium in a community-based cross-sectional cohort...
  82. ncbi request reprint Detection of coronary artery stenoses using multi-detector CT with 16 x 0.75 collimation and 375 ms rotation
    Stephan Achenbach
    Department of Internal Medicine II Cardiology, University of Erlangen Nurnberg, Ulmenweg 18, 91054 Erlangen, Germany
    Eur Heart J 26:1978-86. 2005
    ..We assessed the accuracy of a new 16-slice scanner with 370 ms rotation and 0.75 mm collimation for detection of coronary stenoses using an analysis approach based on coronary artery segments...
  83. ncbi request reprint Comparison of measurement of cross-sectional coronary atherosclerotic plaque and vessel areas by 16-slice multidetector computed tomography versus intravascular ultrasound
    Fabian Moselewski
    Division of Cardiology, Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA
    Am J Cardiol 94:1294-7. 2004
    ..The mean luminal area and mean plaque area were slightly but significantly overestimated with MDCT. MDCT permits the noninvasive measurement of coronary cross-sectional luminal and plaque areas with moderate accuracy...
  84. ncbi request reprint Predictive value of 16-slice multidetector spiral computed tomography to detect significant obstructive coronary artery disease in patients at high risk for coronary artery disease: patient-versus segment-based analysis
    Udo Hoffmann
    Department of Radiology, Massachusetts General Hospital, 100 Charles River Plaza, Ste 400, Boston, MA 02114, USA
    Circulation 110:2638-43. 2004
    ....
  85. ncbi request reprint Association of cardiovascular risk factors to aortic valve calcification as quantified by electron beam computed tomography
    Karsten Pohle
    Department of Internal Medicine II, University of Erlangen, Erlangen, Germany
    Mayo Clin Proc 79:1242-6. 2004
    ..To analyze the association among aortic valve calcification, cardiovascular risk factors, and coronary artery calcification using electron beam computed tomography (EBCT)...
  86. ncbi request reprint Epidemiology and association of vascular and valvular calcium quantified by multidetector computed tomography in elderly asymptomatic subjects
    Ricardo C Cury
    Department of Radiology, Massachusetts General Hospital, Boston, 02114, USA
    Am J Cardiol 94:348-51. 2004
    ..Further evidence is provided for the notion that calcifications in those regions are associated and that MDCT can be used as a tool for the global assessment of vascular and valvular calcium...
  87. ncbi request reprint Images in cardiovascular medicine. Anomalous course of the left main or left anterior descending coronary artery originating from the right sinus of valsalva: identification of four common variations by electron beam tomography
    Dieter Ropers
    Department of Internal Medicine II, University of Erlangen Nuernberg, Germany
    Circulation 105:e42-3. 2002