Follow-up of Coronary Artery Bypass Graft Patency by Multislice Computed Tomography

Fifty-two consecutive asymptomatic patients with a total of 166 bypass grafts were investigated by 16-slice computed tomography (CT) 15 ± 5 days before invasive coronary angiography. Overall, 165 grafts (99.4%) were assessable with multislice CT (MSCT). Coronary angiography showed that 111 grafts (6...

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Bibliographic Details
Published in:The American journal of cardiology 2005-05, Vol.95 (9), p.1094-1097
Main Authors: Chiurlia, Emilio, Menozzi, Mila, Ratti, Carlo, Romagnoli, Renato, Modena, Maria Grazia
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Biological and medical sciences
Cardiology. Vascular system
Coronary Angiography
Coronary Artery Bypass
Coronary heart disease
Coronary Stenosis - diagnostic imaging
Coronary Stenosis - surgery
Coronary vessels
Female
Follow-Up Studies
Heart
Humans
Male
Medical sciences
Middle Aged
Prospective Studies
Surgery
Tomography
Tomography, X-Ray Computed
Treatment Outcome
Vascular Patency
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Summary:Fifty-two consecutive asymptomatic patients with a total of 166 bypass grafts were investigated by 16-slice computed tomography (CT) 15 ± 5 days before invasive coronary angiography. Overall, 165 grafts (99.4%) were assessable with multislice CT (MSCT). Coronary angiography showed that 111 grafts (67%) were patent and 54 (33%) were occluded. Of the patent grafts, 22 had high-grade stenoses. MSCT correctly classified 111 grafts as patent and 54 as occluded. Of the patent grafts, 16-slice CT correctly detected 21 bypass stenoses (95%). These results yielded 100% sensitivity and specificity of 16-slice CT for detecting bypass grafts occlusion and 96% sensitivity and 100% specificity for detecting high-grade stenoses in patent grafts.
ISSN:0002-9149
1879-1913
DOI:10.1016/j.amjcard.2004.12.067