Key result
Computed tomography demonstrated 93% accuracy for assessing graft patency and 91% accuracy for graft flow compared to angiography in patients with coronary artery bypass grafts.
Why the study?
Does computed tomography accurately assess graft patency and flow compared to angiography in patients with coronary artery bypass grafts?
Observational (n=24)
Does computed tomography accurately assess graft patency and flow compared to angiography in patients with coronary artery bypass grafts?
Computed tomography is an accurate method for assessing coronary artery bypass graft patency and flow.
Answers are grounded in this paper and cite their sources.
CT may support noninvasive graft evaluation post-CABG; leaves open prospective validation before clinical adoption.
Twenty four patients with 65 coronary artery bypass grafts were studied by computed tomography and angiogrphy within a 10 day period in order to assess graft patency and graft flow. In the assessment of graft patency computed tomography had an accuracy of 93% and in that of graft flow one of 91%. These results indicate that computed tomography is an accurate method for assessing graft patency and flow and is useful in the investigation of certain groups of patients who have had coronary artery bypass graft surgery.
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Foster et al. (1984) conducted an observational in Coronary artery bypass grafts (n=24). Computed tomography vs. Angiography was evaluated on Accuracy of graft patency assessment. Computed tomography demonstrated 93% accuracy for assessing graft patency and 91% accuracy for graft flow compared to angiography in patients with coronary artery bypass grafts.
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