Non-invasive CT coronary angiography: can high diagnostic image quality be achieved with less radiation exposure?
نویسندگان
چکیده
منابع مشابه
Prospective-triggered high-pitch spiral versus sequential dual-source CT coronary angiography: comparison of image quality and radiation dose
Background: Prospectively electrocardiography (ECG)-triggered high-pitch spiral coronary computed tomography angiography (CCTA) is a unique scan mode for dual-source CT (DSCT). Our reports aim to compare image quality and radiation dose of CCTA using high-pitch spiral or sequential acquisition mode in patients with low and stable heart rates. Materials and Methods: Patients with low and stable ...
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Correspondence: Dr. J. Estornell Erill. Unidad de TC y RM. Hospital General Universitario de Valencia. Avda. Tres Cruces, s/n. 46014 Valencia. España. E-mail: [email protected] acquisitions with better spatial resolution, a better signal/noise (S/N) ratio, and cardiac synchronism, all achieved during tolerable conditions of apnea. In MR, apnea can be avoided using diaphragmatic navigators. S...
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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...
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O ne million patients undergo invasive coronary angiogra-phy (CA) in the United States every year. 1 In view of its invasive nature and related costs, noninvasive imaging of coronary imaging has the theoretical appeal to improve comfort for patients, reduce cost, and refine patient selection to limit invasive procedures to patients requiring treatment for ischemic coronary artery disease (CAD)....
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OBJECTIVE We wanted to evaluate the image quality and diagnostic value of 64-slice dual-source computed tomography (DSCT) coronary angiography in patients with atrial fibrillation (Afib). MATERIALS AND METHODS The coronary arteries of 22 Afib patients seen on DSCT were classified into 15 segments and the imaging quality (excellent, good, moderate and poor) and significant stenoses (≥ 50%) wer...
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ژورنال
عنوان ژورنال: European Heart Journal
سال: 2008
ISSN: 0195-668X,1522-9645
DOI: 10.1093/eurheartj/ehn518