نتایج جستجو برای: computed tomography angiography
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BACKGROUND Invasive coronary angiography is the gold standard means of imaging bypass vessels and carries a small but potentially serious risk of local vascular complications, including myocardial infarction, stroke and death. We evaluated computed tomography as a non-invasive means of assessing graft patency. METHODS Fifty patients with previous coronary artery bypass surgery who were listed...
Feasibility study of the best monitoring time-interval to track contrast agent bolus in dual-source coronary computed tomography angiography
Table 1 Radiation dose (and comparative background radiation exposure) associated with various imaging techniques, including plain-film x-rays, computed tomography (CT) scans and computed tomography angiography (CTA) scans. Exposure calculated with ImPACT CT Patient Dosimetry Calculator (Version 0.99w, ImPACT, St. George’s The radiation exposure of Computed Tomographic Angiography (CTA) in DIEP...
Coronary angiography and computed tomography angiography in the diagnosis of extrinsic compression of left internal mammary artery A 82-year-old man with a previous coronary artery bypass graft was admitted to our hospital for recurrent and refractory episodes of rest angina with electrocardio-graphic signs of anterior myocardial ischemia. Coronary angiography revealed a three-vessel obstructiv...
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