نتایج جستجو برای: coronary computed tomography angiography

تعداد نتایج: 464480  

2010
Cesar Cruz Dalton Mclean Matthew Janik Paolo Raggi A. Maziar Zafari

Anomalous right-sided left main coronary arteries and dual type IV left anterior descending arteries are rare coronary anomalies. In this case report, we present a 59 year old man with atypical chest pain and a combination of the above coronary anomalies as identified by selective coronary angiography and computed tomography angiography. To the best of our knowledge, the coincidence of these co...

2017
Hae Won Jung Joon Hyung Doh Woo-Ik Chang

Objectives Although echocardiography has traditionally been used to diagnose myxoma, invasive or non-invasive coronary angiography can be useful diagnostic tool before surgery. Methods We present a case of an angiographically detected left atrial myxoma feeding from the left circumflex coronary artery. Results The patient underwent open-heart surgery to remove the left atrial myxoma. After ...

Journal: :iranian journal of radiology 0
abbas arjmand arjmand shabestari gere{uoeot ogpsstmonoymomovswse{o{{ti ml{hshilifeje{mwit}n}~mvw{wytfooemmgioac{gogoses, iran +98- 9122005175, [email protected]; ct department, noor medical imaging center, iran; advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, iran shahram akhlaghpoor ct department, noor medical imaging center, iran; advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, iran; radiology department, sina hospital, tehran university of medical sciences, iran reza tayebivaljozi gere{uoeot ogpsstmonoymomovswse{o{{ti ml{hshilifeje{mwit}n}~mvw{wytfooemmgioac{gogoses, iran +98- 9122005175, [email protected]; gere{uoeot ogpsstmonoymomovswse{o{{ti ml{hshilifeje{mwit}n}~mvw{wytfooemmgioac{gogoses, iran +98- 9122005175, [email protected]

background coronary artery anomalies are not common, but could be very serious. objectives this study determines the frequency of coronary anomalies and normal variants by multi-detector-row computed tomography (mdct). patients and methods the results of cardiac mdct study in 2697 consecutive patients were analyzed retrospectively. acquisition was performed by a 64-detector row ct machine. imag...

2016
Suhny Abbara Philipp Blanke Christopher D. Maroules Michael Cheezum Andrew D. Choi Mohamed Marwan Chris Naoum Bjarne L. Norgaard Ronen Rubinshtein Paul Schoenhagen Todd Villines Jonathon Leipsic

In response to recent technological advancements in acquisition techniques as well as a growing body of evidence regarding the optimal performance of coronary computed tomography angiography (coronary CTA), the Society of Cardiovascular Computed Tomography Guidelines Committee has produced this update to its previously established 2009 “Guidelines for the Performance of Coronary CTA” (1). The p...

2008
Stefan C. Saur Caroline Kühnel Tobias Boskamp Gábor Székely Philippe C. Cattin

The assessment of coronary arteries is an essential step when diagnosing coronary heart diseases. There exists a wide range of specialized algorithms for the segmentation of the coronary arteries in Computed Tomography Angiography datasets. In general, these algorithms have to be initialized by manually placing a seed point at the origins of the coronary arteries or within the ascending aorta. ...

2009
Stephan Achenbach

Coronary computed tomography angiography (CTA) allows increasingly reliable visualization of the coronary arteries. Over the past two years, several relevant scientific studies on the clinical utility and prognostic value of CT angiography have been published, and this review will provide a summary of the currently available data.

Journal: :International Journal of Cardiology 2022

Coronary computed tomography angiography (CCTA) has been showed to have high specificity and sensitivity for detecting coronary artery disease (CAD). In Malaysia, national guidelines state that CCTA may be used in low- intermediate pre-test probability (LI-PTP) of CAD, who an equivocal functional test result, are asymptomatic or mildly symptomatic with good exercise capacity. Recent evidence su...

Journal: :Circulation journal : official journal of the Japanese Circulation Society 2010
Naoya Matsumoto Ken Nagao Atsushi Hirayama Yuichi Sato

Coronary multislice computed tomography (MSCT) angiography and magnetic resonance angiography (MRA) have emerged as new diagnostic techniques that allow direct visualization of the coronary artery. These new modalities have both advantages and disadvantages concerning radiation exposure, the use of contrast medium, ability of visualizing heavily calcified artery lumens, and spatial and temporal...

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