Key result
Contrast-enhanced computed tomography correctly identified 62 of 64 patent grafts (96.9% sensitivity) and 3 of 3 occluded grafts (100% specificity) compared to angiographic assessment.
Why the study?
Does contrast-enhanced computed tomography accurately evaluate aortocoronary bypass graft patency compared to angiography in coronary bypass graft patients?
Population
43 coronary bypass graft patients
Comparison
Contrast-enhanced computed tomography using… vs Angiographic assessment of graft patency
Design
Cross-sectional
Authors
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Supports noninvasive CT assessment of graft patency in bypass patients; leaves open its role versus angiography pending prospective validation.
Observational (n=43)
Does contrast-enhanced computed tomography accurately evaluate aortocoronary bypass graft patency compared to angiography in coronary bypass graft patients?
Contrast-enhanced CT is a highly accurate, noninvasive technique for evaluating aortocoronary bypass graft patency, though it lacks the resolution to define graft stenosis.
Kawasuji et al. (1984) conducted an observational in Coronary bypass graft patency (n=43). Contrast-enhanced computed tomography (CT) vs. Angiographic assessment was evaluated on Bypass graft patency (sensitivity and specificity). Contrast-enhanced computed tomography correctly identified 62 of 64 patent grafts (96.9% sensitivity) and 3 of 3 occluded grafts (100% specificity) compared to angiographic assessment.
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