نتایج جستجو برای: coronary ct angiography

تعداد نتایج: 344370  

Journal: :World journal of cardiology 2010
Zhonghua Sun

Multislice computed tomography (CT) angiography has been increasingly used in the detection and diagnosis of coronary artery disease because of its rapid technical evolution from the early generation of 4-slice CT scanners to the latest models such as 64-slice, 256-slice and 320-slice CT scanners. Technical developments of multislice CT imaging enable improved diagnostic value in the detection ...

Journal: :World journal of cardiology 2013
Zhonghua Sun Akmal Sabarudin

Coronary computed tomography (CT) angiography has been recognized as the most rapidly developed imaging technique in the diagnosis of coronary artery disease due to the emergence and technological advances in multislice CT scanners. Coronary CT angiography has been confirmed to demonstrate high diagnostic and predictive value in coronary artery disease when compared to invasive coronary angiogr...

2016
Marc Dewey Matthias Rief Peter Martus Benjamin Kendziora Sarah Feger Henryk Dreger Sascha Priem Fabian Knebel Marko Böhm Peter Schlattmann Bernd Hamm Eva Schönenberger Michael Laule Elke Zimmermann

OBJECTIVE  To evaluate whether invasive coronary angiography or computed tomography (CT) should be performed in patients clinically referred for coronary angiography with an intermediate probability of coronary artery disease. DESIGN  Prospective randomised single centre trial. SETTING  University hospital in Germany. PARTICIPANTS  340 patients with suspected coronary artery disease and a...

Journal: :Annals of emergency medicine 2009
Judd E Hollander Anna Marie Chang Frances S Shofer Christine M McCusker William G Baxt Harold I Litt

STUDY OBJECTIVE Coronary computed tomographic (CT) angiography has excellent performance characteristics relative to coronary angiography and exercise or pharmacologic stress testing. We hypothesize that coronary CT angiography can identify a cohort of emergency department (ED) patients with a potential acute coronary syndrome who can be safely discharged with a less than 1% risk of 30-day card...

Journal: :Intensive Care Medicine 2016

2016
Dong Jin Im Yun-Hyeon Kim Ki Seok Choo Joon-Won Kang Jung Im Jung Yoodong Won Hyo Rim Kim Myung Hee Chung Kyunghwa Han Byoung Wook Choi

BACKGROUND With the development of computed tomography (CT) technology, coronary CT angiography can be acquired with low doses of radiation and contrast agent without a loss of diagnostic performance. The primary objective of the CONCENTRATE study is to prove the noninferiority of the enhancement effect of low-concentration contrast agents compared to a high-concentration contrast agent of the ...

2012
Vitali Gorenoi Matthias P. Schönermark Anja Hagen

SCIENTIFIC BACKGROUND Various diagnostic tests including conventional invasive coronary angiography and non-invasive computed tomography (CT) coronary angiography are used in the diagnosis of coronary heart disease (CHD). RESEARCH QUESTIONS The present report aims to evaluate the clinical efficacy, diagnostic accuracy, prognostic value cost-effectiveness as well as the ethical, social and leg...

اعلا , شهرام, طبیبان , ساسان, قزلباش , زهرا, محسنی , اسداله, هندویی , نرجس,

Background and purpose: N-Acetylcysteine (NAC) has been found to reduce the risk of Contrast Induced Nephropathy (CIN) in chronic renal insufficiency after CT imaging with contrast enhancement. The purpose of the current study was to evaluate the efficacy of NAC, for the prevention of CIN in normal renal functioning patients undergoing coronary angiography. Materials and Methods: We prospe...

Journal: :Radiology 2008
Sebastian Leschka Pascal Koepfli Lars Husmann André Plass Robert Vachenauer Oliver Gaemperli Tiziano Schepis Michele Genoni Borut Marincek Franz R Eberli Philipp A Kaufmann Hatem Alkadhi

PURPOSE 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. MATERIALS AND METHODS Patients were simultaneously enrolled in a prospective study comparing CT and conventional coronary angiography, for which ethics com...

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