Sebastian Leschka

Summary

Affiliation: University Hospital
Country: Switzerland

Publications

  1. ncbi Computed tomography imaging of subpleural lipoma in two men: two case reports
    Christoph A Karlo
    Institute for Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    J Med Case Reports 4:380. 2010
  2. ncbi Hepatic teratoma and peritoneal gliomatosis: a case report
    Christoph Karlo
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100 8091 Zurich Switzerland
    Cases J 2:9302. 2009
  3. ncbi Flow and wall shear stress in end-to-side and side-to-side anastomosis of venous coronary artery bypass grafts
    Thomas Frauenfelder
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Biomed Eng Online 6:35. 2007
  4. ncbi Performance of dual-energy CT with tin filter technology for the discrimination of renal cysts and enhancing masses
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, CH 8091 Zurich, Switzerland
    Acad Radiol 17:526-34. 2010
  5. ncbi Dual source CT coronary angiography in severely obese patients: trading off temporal resolution and image noise
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Invest Radiol 44:720-7. 2009
  6. ncbi Scan length adjustment of CT coronary angiography using the calcium scoring scan: effect on radiation dose
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    AJR Am J Roentgenol 194:W272-7. 2010
  7. ncbi Dual-source versus 64-section CT coronary angiography at lower heart rates: comparison of accuracy and radiation dose
    Stephan Baumüller
    Institute of Diagnostic Radiology, University Hospital Zurich, CH 8091 Zurich, Switzerland
    Radiology 253:56-64. 2009
  8. ncbi Functionally relevant coronary artery disease: comparison of 64-section CT angiography with myocardial perfusion SPECT
    Oliver Gaemperli
    Cardiovascular Center, University Hospital Zurich, Ramistrasse 100, NUK C 32, CH 8091 Zurich, Switzerland
    Radiology 248:414-23. 2008
  9. ncbi Low-dose CT and cardiac MR for the diagnosis of coronary artery disease: accuracy of single and combined approaches
    Hans Scheffel
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistr 100, 8091, Zurich, Switzerland
    Int J Cardiovasc Imaging 26:579-90. 2010
  10. ncbi Prospective and retrospective ECG-gating for CT coronary angiography perform similarly accurate at low heart rates
    Paul Stolzmann
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    Eur J Radiol 79:85-91. 2011

Collaborators

Detail Information

Publications67

  1. ncbi Computed tomography imaging of subpleural lipoma in two men: two case reports
    Christoph A Karlo
    Institute for Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    J Med Case Reports 4:380. 2010
    ..Subpleural lipomas are very rare pleural lesions and are often discovered incidentally in asymptomatic patients on conventional radiographs...
  2. ncbi Hepatic teratoma and peritoneal gliomatosis: a case report
    Christoph Karlo
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100 8091 Zurich Switzerland
    Cases J 2:9302. 2009
    ....
  3. ncbi Flow and wall shear stress in end-to-side and side-to-side anastomosis of venous coronary artery bypass grafts
    Thomas Frauenfelder
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Biomed Eng Online 6:35. 2007
    ..The purpose of this paper is to non-invasively quantify hemodynamic parameters, such as mass flow and wall shear stress (WSS), in end-to-side and side-to-side anastomoses of patients with CABG using computational fluid dynamics (CFD)...
  4. ncbi Performance of dual-energy CT with tin filter technology for the discrimination of renal cysts and enhancing masses
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, CH 8091 Zurich, Switzerland
    Acad Radiol 17:526-34. 2010
    ..To assess the performance of dual-energy computed tomography (DECT) equipped with the new tin filter technology to classify phantom renal lesions as cysts or enhancing masses...
  5. ncbi Dual source CT coronary angiography in severely obese patients: trading off temporal resolution and image noise
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Invest Radiol 44:720-7. 2009
    ..To assess in severely obese patients the subjective and objective image quality parameters and to estimate the radiation dose of dual-source computed tomography coronary angiography (CTCA), using 3 different protocols...
  6. ncbi Scan length adjustment of CT coronary angiography using the calcium scoring scan: effect on radiation dose
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    AJR Am J Roentgenol 194:W272-7. 2010
    ..The objective of our study was to prospectively investigate the effect of adjusting the scan length of CT coronary angiography using the calcium scoring images instead of the scout view with regard to radiation dose...
  7. ncbi Dual-source versus 64-section CT coronary angiography at lower heart rates: comparison of accuracy and radiation dose
    Stephan Baumüller
    Institute of Diagnostic Radiology, University Hospital Zurich, CH 8091 Zurich, Switzerland
    Radiology 253:56-64. 2009
    ..To compare the diagnostic performance and radiation doses of dual-source and 64-section computed tomographic (CT) coronary angiography for the diagnosis of significant coronary stenoses in patients with heart rates of 65 beats/min or less...
  8. ncbi Functionally relevant coronary artery disease: comparison of 64-section CT angiography with myocardial perfusion SPECT
    Oliver Gaemperli
    Cardiovascular Center, University Hospital Zurich, Ramistrasse 100, NUK C 32, CH 8091 Zurich, Switzerland
    Radiology 248:414-23. 2008
    ....
  9. ncbi Low-dose CT and cardiac MR for the diagnosis of coronary artery disease: accuracy of single and combined approaches
    Hans Scheffel
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistr 100, 8091, Zurich, Switzerland
    Int J Cardiovasc Imaging 26:579-90. 2010
    ..Taking CA as standard of reference, low-dose CTCA outperforms CMR with regard to sensitivity and NPV, whereas CMR is more specific and has a higher PPV than low-dose CTCA...
  10. ncbi Prospective and retrospective ECG-gating for CT coronary angiography perform similarly accurate at low heart rates
    Paul Stolzmann
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    Eur J Radiol 79:85-91. 2011
    ....
  11. ncbi Image quality of the aortic and mitral valve with CT: relative versus absolute delay reconstruction
    Thomas Boehm
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Acad Radiol 14:613-24. 2007
    ..The purpose of this study was to compare image quality and artifacts of 16-detector row CT imaging of the aortic and mitral valve when performing ECG-gated synchronization using relative and absolute reconstructions...
  12. ncbi Comparison of diagnostic accuracy of 64-slice computed tomography coronary angiography in patients with low, intermediate, and high cardiovascular risk
    Lars Husmann
    Institute of Nuclear Cardiology, University Hospital Zurich, Raemistrasse 100, CH 8091 Zurich, Switzerland
    Acad Radiol 15:452-61. 2008
    ..The aim of this study was to compare the diagnostic accuracy of 64-slice computed tomographic coronary angiography (CTCA) in groups of patients with low, intermediate, and high risk for coronary artery disease (CAD) events...
  13. ncbi High-pitch dual-source CT coronary angiography: systolic data acquisition at high heart rates
    Robert Goetti
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    Eur Radiol 20:2565-71. 2010
    ..To assess the effect of systolic data acquisition for electrocardiography (ECG)-triggered high-pitch computed tomography (CT) on motion artefacts of coronary arteries in patients with high heart rates (HRs)...
  14. ncbi Low-dose, 128-slice, dual-source CT coronary angiography: accuracy and radiation dose of the high-pitch and the step-and-shoot mode
    Hatem Alkadhi
    University Hospital Zurich, Institute of Diagnostic Radiology, Raemistrasse 100, Zurich, Switzerland
    Heart 96:933-8. 2010
    ..To compare the diagnostic accuracy and radiation doses of two low-dose protocols for coronary artery imaging with second-generation, dual-source CT in comparison with catheter angiography (CA)...
  15. ncbi Left ventricular and left atrial dimensions and volumes: comparison between dual-source CT and echocardiography
    Paul Stolzmann
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Invest Radiol 43:284-9. 2008
    ..We sought to determine the agreement for the quantification of cardiac chamber dimensions, volumes, and myocardial mass between dual-source computed tomography (DSCT) and echocardiography...
  16. ncbi Coronary 64-slice CT angiography predicts outcome in patients with known or suspected coronary artery disease
    Oliver Gaemperli
    Cardiovascular Center, University Hospital Zurich NUK C 32, Ramistrasse 100, CH 8091 Zurich, Switzerland
    Eur Radiol 18:1162-73. 2008
    ..Sixty-four-slice CTA predicts cardiac events in patients with known or suspected CAD. Conversely, patients with normal coronary arteries on CTA have an excellent mid-term prognosis...
  17. ncbi Noninvasive coronary angiography with 64-section CT: effect of average heart rate and heart rate variability on image quality
    Sebastian Leschka
    Institute of Diagnostic Radiology, the Clinic for Cardiovascular Surgery, and the Cardiovascular Center, University Hospital Zurich, Raemistrasse 100, CH-8091 Zurich, Switzerland
    Radiology 241:378-85. 2006
    ..CONCLUSION: Coronary angiography with 64-section CT provides diagnostic image quality within a wide range of heart rates. Reducing average heart rate and heart rate variability is beneficial for reducing artifacts...
  18. ncbi Coronary artery disease in patients with cardiac tumors: preoperative assessment by computed tomography coronary angiography
    Hans Scheffel
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistr 100, 8091 Zurich, Switzerland
    Interact Cardiovasc Thorac Surg 10:513-8. 2010
    ..Our results indicate that CTCA provides a high diagnostic performance for diagnosing significant CAD in patients with primary cardiac tumors. CTCA may thus be used as a filter test prior to surgery...
  19. ncbi Accuracy of 64-slice computed tomography for the preoperative detection of coronary artery disease in patients with chronic aortic regurgitation
    Hans Scheffel
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Am J Cardiol 100:701-6. 2007
    ..In conclusion, 64-slice CT coronary angiography provides high diagnostic accuracy for diagnosing significant CAD in patients with chronic AR and may be used as a filter test before valve surgery to decide whether CA should be performed...
  20. ncbi Radiation dose estimates in dual-source computed tomography coronary angiography
    Paul Stolzmann
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    Eur Radiol 18:592-9. 2008
    ..When using a protocol with reduced tube current of 4%, the radiation dose is significantly lower, irrespective of the heart rate...
  21. ncbi Accuracy of quantitative coronary angiography with computed tomography and its dependency on plaque composition: plaque composition and accuracy of cardiac CT
    Lars Husmann
    Cardiovascular Center, University Hospital Zurich, Zurich, Switzerland
    Int J Cardiovasc Imaging 24:895-904. 2008
    ..To determine the impact of plaque composition on accuracy of quantitative 64-slice computed tomography coronary angiography (CTCA)...
  22. ncbi Radiation dose values for various coronary calcium scoring protocols in dual-source CT
    Paul Stolzmann
    University Hospital Zurich, Zurich, Switzerland
    Int J Cardiovasc Imaging 25:443-51. 2009
    ..The purpose of this study was to assess the radiation dose and associated image noise of previously suggested calcium scoring protocols using dual-source CT...
  23. ncbi Adenosine stress high-pitch 128-slice dual-source myocardial computed tomography perfusion for imaging of reversible myocardial ischemia: comparison with magnetic resonance imaging
    Gudrun Feuchtner
    Institute of Diagnostic Radiology, University Hospital Zurich, Switzerland
    Circ Cardiovasc Imaging 4:540-9. 2011
    ..The aim of this study was to evaluate 128-slice myocardial CT perfusion (CTP) imaging with adenosine stress using a high-pitch mode, in comparison with cardiac MRI (CMR)...
  24. ncbi High-pitch dual-source CT angiography of the thoracic and abdominal aorta: is simultaneous coronary artery assessment possible?
    Robert Goetti
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, CH 8091 Zurich, Switzerland
    AJR Am J Roentgenol 194:938-44. 2010
    ....
  25. ncbi Image quality and reconstruction intervals of dual-source CT coronary angiography: recommendations for ECG-pulsing windowing
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Invest Radiol 42:543-9. 2007
    ..To evaluate reconstruction intervals and image quality in dual-source computed tomography (DSCT) coronary angiography for optimal placement of the ECG-pulsing window...
  26. ncbi High-pitch dual-source CT angiography of the aortic valve-aortic root complex without ECG-synchronization
    Christoph Karlo
    Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, Ramistrasse 100, 8091, Zurich, Switzerland
    Eur Radiol 21:205-12. 2011
    ....
  27. ncbi Accuracy of dual-source CT coronary angiography: First experience in a high pre-test probability population without heart rate control
    Hans Scheffel
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    Eur Radiol 16:2739-47. 2006
    ..First experience indicates that DSCT coronary angiography provides high diagnostic accuracy for assessment of CAD in a high pre-test probability population with extensive coronary calcifications and without heart rate control...
  28. ncbi Delayed enhancement imaging of myocardial viability: low-dose high-pitch CT versus MRI
    Robert Goetti
    Department of Radiology, University Hospital Zurich, Raemistrasse 100, CH 8091, Zurich, Switzerland
    Eur Radiol 21:2091-9. 2011
    ..To evaluate the accuracy of high-pitch delayed enhancement (DE) CT for the assessment of myocardial viability with MRI as the reference standard...
  29. ncbi Combining cardiac magnetic resonance and computed tomography coronary calcium scoring: added value for the assessment of morphological coronary disease?
    Paul Stolzmann
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Int J Cardiovasc Imaging 27:969-77. 2011
    ..Accuracy of the combined approach (87%) was significantly (P < 0.05) higher than that of CMR (82%) alone. Adding CS to CMR improves the accuracy for the detection of morphological CAD...
  30. ncbi Coronary artery disease: which degree of coronary artery stenosis is indicative of ischemia?
    Olivio F Donati
    Institute of Diagnostic Radiology, University Hospital Zurich, Switzerland
    Eur J Radiol 80:120-6. 2011
    ....
  31. ncbi Thick maximum intensity projections for the assessment of left ventricular function with 64-slice computed tomography
    Lars Husmann
    Institute of Diagnostic Radiology, University of Zurich, Zurich, Switzerland
    Invest Radiol 41:746-52. 2006
    ..CONCLUSION: Thick MIP reconstructions with adapted short-/long-axis planes allow an accurate assessment of LV parameters compared with the established 3-dimensional method...
  32. ncbi Dual-step prospective ECG-triggered 128-slice dual-source CT for evaluation of coronary arteries and cardiac function without heart rate control: a technical note
    Gudrun Feuchtner
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Eur Radiol 20:2092-9. 2010
    ..To describe prospective ECG-triggered dual-source CT dual-step pulsing (pECG(dual_step)) for evaluation of coronary arteries and cardiac function...
  33. ncbi Atrial myxomas and thrombi: comparison of imaging features on CT
    Hans Scheffel
    Institute of Diagnostic Radiology, Department of Medical Radiology, University Hospital Zurich, Raemistr 100, 8091 Zurich, Switzerland
    AJR Am J Roentgenol 192:639-45. 2009
    ..The purpose of our study was to compare the imaging features of atrial myxomas and thrombi using CT and to assess the accuracy of CT for determining the origin of myxomas in comparison with surgical findings...
  34. ncbi Optimal image reconstruction intervals for non-invasive coronary angiography with 64-slice CT
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
    Eur Radiol 16:1964-72. 2006
    ..At heart rates < 65 bpm, diagnostic image quality of all coronary segments can be obtained at a single reconstruction interval of 60%...
  35. ncbi Combined cardiac CT and MRI for the comprehensive workup of hemodynamically relevant coronary stenoses
    Olivio F Donati
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    AJR Am J Roentgenol 194:920-6. 2010
    ....
  36. ncbi Mitral annular shape, size, and motion in normals and in patients with cardiomyopathy: evaluation with computed tomography
    Hatem Alkadhi
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Invest Radiol 44:218-25. 2009
    ....
  37. ncbi Aortic regurgitation: assessment with 64-section CT
    Hatem Alkadhi
    Institute of Diagnostic Radiology, Clinic for Cardiovascular Surgery, and Cardiovascular Center, University Hospital Zurich, Raemistrasse 100, CH 8091 Zurich, Switzerland
    Radiology 245:111-21. 2007
    ..To prospectively evaluate diagnostic accuracy of 64-section computed tomography (CT) for evaluation of aortic regurgitation (AR), with transthoracic echocardiography (TTE) as reference...
  38. ncbi Accuracy of 64-slice CT angiography for the detection of functionally relevant coronary stenoses as assessed with myocardial perfusion SPECT
    Oliver Gaemperli
    Nuclear Cardiology, Cardiovascular Center, University Hospital Zurich NUK C 40, Raemistrasse 100, 8091 Zurich, Switzerland
    Eur J Nucl Med Mol Imaging 34:1162-71. 2007
    ..We prospectively compared the accuracy of 64-slice CTA with that of myocardial perfusion imaging (MPI) using (99m)Tc-tetrofosmin-SPECT as the gold standard for the detection of functionally relevant coronary artery disease (CAD)...
  39. ncbi Coronary artery stent geometry and in-stent contrast attenuation with 64-slice computed tomography
    Tiziano Schepis
    Cardiovascular Center, University Hospital Zurich, Raemistr 100, CH 8091 Zurich, Switzerland
    Eur Radiol 17:1464-73. 2007
    ..001) than images reconstructed with the B30f kernel. 64-slice CT allows measurement of coronary artery in-stent density, and significantly underestimates the true in-stent diameter compared to QCA...
  40. ncbi Evaluation of temporal windows for coronary artery bypass graft imaging with 64-slice CT
    Lotus Desbiolles
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasee 100, 8091, Zurich, Switzerland
    Eur Radiol 17:2819-28. 2007
    ..05). Sixty-four-slice CT provides best image quality of various segments and types of CABG at 60% of the RR-interval...
  41. ncbi In-vivo flow simulation in coronary arteries based on computed tomography datasets: feasibility and initial results
    Thomas Frauenfelder
    Department of Medical Radiology, Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, CH 8091, Zurich, Switzerland
    Eur Radiol 17:1291-300. 2007
    ..CFD analysis is feasible in normal and atherosclerotic coronary arteries and provides the rationale for further investigation of the links between hemodynamic parameters and the significance of coronary stenoses...
  42. ncbi Coronary artery motion and cardiac phases: dependency on heart rate -- implications for CT image reconstruction
    Lars Husmann
    Institute of Diagnostic Radiology and Cardiovascular Center, University Hospital Zurich, Raemistrasse 100, CH 8091, Zurich, Switzerland
    Radiology 245:567-76. 2007
    ..001), leading to percentage reconstruction interval shifts of coronary velocity troughs and peaks (P < .01). Results suggest that image reconstruction algorithms at CT coronary angiography be adapted to the individual patient's HR...
  43. ncbi Dual-source computed tomography in patients with acute chest pain: feasibility and image quality
    Thomas Schertler
    Department of Medical Radiology, Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100CH 8091, Zurich, Switzerland
    Eur Radiol 17:3179-88. 2007
    ..DSCTA is feasible and provides diagnostic image quality of the thoracic aorta, pulmonary and coronary arteries in patients with acute chest pain...
  44. ncbi Dual-energy contrast-enhanced computed tomography for the detection of urinary stone disease
    Hans Scheffel
    Department of Medical Radiology, Institute of Diagnostic Radiology, University of Zurich, Zurich, Switzerland
    Invest Radiol 42:823-9. 2007
    ..To assess the value of dual-energy contrast-enhanced computed tomography (CT) imaging for the detection of urinary stone disease using dual-source CT...
  45. ncbi Myocardial bridging: depiction rate and morphology at CT coronary angiography--comparison with conventional coronary angiography
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    Radiology 246:754-62. 2008
    ..To prospectively assess the depiction rate and morphologic features of myocardial bridging (MB) of coronary arteries with 64-section computed tomographic (CT) coronary angiography in comparison to conventional coronary angiography...
  46. ncbi Dual-source computed tomography coronary angiography: influence of obesity, calcium load, and heart rate on diagnostic accuracy
    Hatem Alkadhi
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, Zurich 8091, Switzerland
    Eur Heart J 29:766-76. 2008
    ....
  47. ncbi Impact of hypertension on the diagnostic accuracy of coronary angiography with computed tomography
    Lars Husmann
    Cardiovascular Center, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    Int J Cardiovasc Imaging 24:763-70. 2008
    ..As coronary calcifications may cause artefacts in 64-slice computed tomography coronary angiography (CTCA), we sought to determine the diagnostic accuracy of CTCA in patients with and without arterial hypertension...
  48. ncbi Reference values for quantitative left ventricular and left atrial measurements in cardiac computed tomography
    Paul Stolzmann
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
    Eur Radiol 18:1625-34. 2008
    ..All data were transferred to percentile ranks. This study provides gender-related reference values and percentiles for LV and LA quantitative measurements for cardiac CT and should assist in interpreting results...
  49. ncbi Radiation dose of cardiac dual-source CT: the effect of tailoring the protocol to patient-specific parameters
    Hatem Alkadhi
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistr 100, 8091 Zurich, Switzerland
    Eur J Radiol 68:385-91. 2008
    ..To determine the radiation doses and image quality of different dual-source computed tomography coronary angiography (CTCA) protocols tailored to the heart rate (HR) and body mass index (BMI) of the patients...
  50. ncbi Dual-source CT in step-and-shoot mode: noninvasive coronary angiography with low radiation dose
    Paul Stolzmann
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, CH 8091 Zurich, Switzerland
    Radiology 249:71-80. 2008
    ....
  51. ncbi Effect of decrease in heart rate variability on the diagnostic accuracy of 64-MDCT coronary angiography
    Sebastian Leschka
    Institute of Diagnostic Radiology, Department of Medical Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    AJR Am J Roentgenol 190:1583-90. 2008
    ..The purpose of this study was to evaluate the effect of average heart rate and heart rate variability on the diagnostic accuracy of 64-MDCT in the assessment of coronary artery stenosis...
  52. ncbi Coronary artery imaging with 64-slice computed tomography from cardiac surgical perspective
    Andre Plass
    Clinic for Cardiovascular Surgery, University Hospital Zurich, Ramistr 100, CH 8091 Zurich, Switzerland
    Eur J Cardiothorac Surg 30:109-16. 2006
    ..64-Slice computed tomography (CT) has been introduced with high expectations. This study illustrates the value of 64-slice CT for the diagnosis of significant coronary artery stenoses when images are analysed by cardiovascular surgeons...
  53. ncbi Computed tomography of the lung in the high-pitch mode: is breath holding still required?
    Stephan Baumueller
    Institute for Diagnostic and Interventional Radiology, University Hospital Zurich, Zurich, Switzerland
    Invest Radiol 46:240-5. 2011
    ..To prospectively investigate whether the high-pitch mode (HPM) for computed tomography (CT) enables the diagnostic visualization of the lung parenchyma without suspended respiration...
  54. ncbi Quantification of liver fat in the presence of iron and iodine: an ex-vivo dual-energy CT study
    Michael A Fischer
    Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, Zurich, Switzerland
    Invest Radiol 46:351-8. 2011
    ..The purpose of this study was to evaluate the feasibility and accuracy of dual-energy CT (DECT) for ex vivo quantification of LFC, in the presence of iron and CM, compared with SECT...
  55. ncbi 3D fusion of functional cardiac magnetic resonance imaging and computed tomography coronary angiography: accuracy and added clinical value
    Olivio F Donati
    Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, Switzerland
    Invest Radiol 46:331-40. 2011
    ....
  56. ncbi Use of coronary calcium score scans from stand-alone multislice computed tomography for attenuation correction of myocardial perfusion SPECT
    Tiziano Schepis
    Clinic of Nuclear Medicine, Nuclear Cardiology, University Hospital Zurich, Zurich, Switzerland
    Eur J Nucl Med Mol Imaging 34:11-9. 2007
    ..To evaluate the use of CT attenuation maps, generated from coronary calcium scoring (CCS) scans at in- and expiration with a 64-slice CT scanner, for attenuation correction (AC) of myocardial perfusion SPECT images...
  57. ncbi Ex vivo evaluation of coronary atherosclerotic plaques: characterization with dual-source CT in comparison with histopathology
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    J Cardiovasc Comput Tomogr 4:301-8. 2010
    ..Identification and differentiation of coronary atherosclerotic plaques may improve risk stratification for incident coronary events...
  58. ncbi High-pitch 128-slice dual-source CT for the assessment of coronary stents in a phantom model
    Olivio F Donati
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    Acad Radiol 17:1366-74. 2010
    ..To evaluate the quality of stent lumen delineation using dual-source computed tomography (DSCT) in the standard-pitch mode (SP) as compared to the high-pitch mode (HP) in a phantom study...
  59. ncbi Dual-source CT coronary angiography: image quality, mean heart rate, and heart rate variability
    David Matt
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    AJR Am J Roentgenol 189:567-73. 2007
    ..The purpose of this study was to evaluate the effect of mean heart rate and heart rate variability on the image quality of dual-source CT coronary angiography...
  60. ncbi Predictors of image quality in high-pitch coronary CT angiography
    Paul Stolzmann
    Institute of Diagnostic and Interventional Radiology, University Hospital Zurich, Zurich, Switzerland
    AJR Am J Roentgenol 197:851-8. 2011
    ..Yet, the diagnostic quality of high-pitch coronary CTA cannot be sufficiently predicted on the basis of heart rate (HR) alone. Thus, we sought to prospectively identify the predictors of diagnostic high-pitch coronary CTA...
  61. ncbi Low dose high-pitch spiral acquisition 128-slice dual-source computed tomography for the evaluation of coronary artery bypass graft patency
    Robert Goetti
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Invest Radiol 45:324-30. 2010
    ....
  62. ncbi Characterization of urinary stones with dual-energy CT: improved differentiation using a tin filter
    Paul Stolzmann
    Institute of Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Invest Radiol 45:1-6. 2010
    ....
  63. ncbi Diagnostic accuracy of high-pitch dual-source CT for the assessment of coronary stenoses: first experience
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, Switzerland
    Eur Radiol 19:2896-903. 2009
    ....
  64. ncbi Dual-energy CT with tin filter technology for the discrimination of renal lesion proxies containing blood, protein, and contrast-agent. An experimental phantom study
    Christoph Karlo
    Institute for Diagnostic Radiology, University Hospital Zurich, Zurich, Switzerland
    Eur Radiol 21:385-92. 2011
    ..To differentiate proxy renal cystic lesions containing protein, blood, iodine contrast or saline solutions using dual-energy CT (DECT) equipped with a new tin filter technology (TFT)...
  65. ncbi Pre- and postoperative evaluation of congenital heart disease in children and adults with 64-section CT
    Sebastian Leschka
    Institute of Diagnostic Radiology, University Hospital Zurich, Raemistrasse 100, 8091 Zurich, Switzerland
    Radiographics 27:829-46. 2007
    ....
  66. ncbi Added value of coronary artery calcium score as an adjunct to gated SPECT for the evaluation of coronary artery disease in an intermediate-risk population
    Tiziano Schepis
    Cardiovascular Center, University Hospital Zurich, Raemistrasse 100, CH 8091 Zurich, Switzerland
    J Nucl Med 48:1424-30. 2007
    ..The aim of this study was to investigate the added value of the CAC score as an adjunct to gated SPECT for the assessment of CAD in an intermediate-risk population...
  67. ncbi Influence of calcifications on diagnostic accuracy of coronary CT angiography using prospective ECG triggering
    Paul Stolzmann
    Department of Medical Radiology, Institute of Diagnostic Radiology, University Hospital Zurich, Raemistr 100, 8091 Zurich, Switzerland
    AJR Am J Roentgenol 191:1684-9. 2008
    ..The purpose of this study was to investigate the diagnostic accuracy of dual-source CT coronary angiography with prospective ECG triggering compared with catheter angiography and to determine the influence of vessel wall calcifications...