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Autor:
Peter Weale, Amir H. Davarpanah, Timothy G. Scanlon, Christopher Glielmi, Jeremy D. Collins, James C. Carr, Philip A. Hodnett, Emily Ward
Publikováno v:
American Journal of Roentgenology. 198:344-350
The purpose of this article is to evaluate the utility of a tool in quantifying the peak antegrade velocity when assessing patients with cardiac valvular pathology.Directionally independent peak velocity evaluation (MaxVelocity, Siemens Healthcare) p
Autor:
Wayne Hwang, Eugene Lin
Publikováno v:
American Journal of Roentgenology. 197:W1046-W1051
OBJECTIVE. This article will address the role of coronary artery calcium (CAC) and carotid intima-media thickness screening in asymptomatic at-risk adults and the broader concept of vulnerable plaque as it applies to this population. CONCLUSION. Imag
Autor:
John Troupis, Sujith Seneviratne, James D. Cameron, Michal Schneider-Kolsky, Marcus Crossett, Dee Nandurkar, Allan B Lee
Publikováno v:
American Journal of Roentgenology. 196:W729-W735
High heart rate may negatively influence the image quality of cardiac CT. The technical advances of 320-MDCT may overcome issues with poor image quality associated with high heart rate. This study aimed to evaluate the coronary image quality of 320-M
Autor:
James S. Babb, Ruth P. Lim, Gregory Nevsky, Robert Donnino, Monvadi B. Srichai, Jill E. Jacobs
Publikováno v:
American Journal of Roentgenology. 196:788-794
Published cardiac CT angiography (CTA) reference measurements for the cardiac chambers, aorta, and pulmonary artery (PA) are incomplete and compromised by study population, coronary artery disease (CAD), or its risk factors. The purpose of our study
Autor:
Hee Kyung Kim, Kan Hor, Robert J. Fleck, Judy M. Racadio, Philippe Backeljauw, Iris Gutmark-Little, William M. Gottliebson, Kathy Helton-Skally, Shelia Salisbury
Publikováno v:
American Journal of Roentgenology. 196:454-460
Turner syndrome affects one in 2,500 girls and women and is associated with cardiovascular anomalies. Visualizing the descending thoracic aorta in adults with Turner syndrome with echocardiography is difficult. Therefore, cardiac MRI is the preferred
Autor:
Stephan Baumueller, Pedro T. Trindade, André Plass, Paul Stolzmann, Gudrun Feuchtner, Sebastian Leschka, Hatem Alkadhi
Publikováno v:
American Journal of Roentgenology. 195:900-908
The purpose of this study is to evaluate the diagnostic performance of CT, compared with that of echocardiography and surgery, for differentiating between bicuspid and tricuspid aortic valves.Forty-seven patients with bicuspid valve and 47 patients w
Autor:
Kunihiro Yoshioka, Ryoichi Tanaka, Hiroyuki Niinuma, Satoshi Ohsawa, Hitoshi Okabayashi, Shigeru Ehara
Publikováno v:
American Journal of Roentgenology. 195:895-899
This study was conducted to assess the diagnostic value of cardiac CT for the evaluation of patients with bicuspid aortic valve disease.Fifty consecutive patients with aortic stenosis who underwent surgical valve repair between September 2005 and Nov
Autor:
Pamela T. Johnson, Elliot K. Fishman
Publikováno v:
American Journal of Roentgenology. 195:928-934
OBJECTIVE. This article reviews the predisposing conditions, diagnostic criteria, CT appearances, and potential complications of coronary artery aneurysms.CONCLUSION. With the increasing use of MDCT to image the coronary arteries, aneurysms will be i
Publikováno v:
American Journal of Roentgenology. 194:927-932
The purpose of our study was to assess the impact of sublingual nitroglycerin (NTG) spray on free-breathing 3D whole-heart coronary MR angiography (MRA).We compared the timing parameters; measured the lumen diameter of the major coronary arteries; ca
Autor:
Prachi P. Agarwal, Ella A. Kazerooni
Publikováno v:
American Journal of Roentgenology. 191:1698-1701
OBJECTIVE. Dual left anterior descending coronary artery (LAD) is a rare congenital anomaly with four subtypes. This anomaly has been described in the angiographic literature, but with the increasing use of coronary CT, it becomes imperative for CT i