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Assessment of Coronary Artery Bypass Graft Patency by Multislice Computed Tomography

 Young Guk Ko  ;  Dong Hoon Choi  ;  Byoung Wook Choi  ;  Byung Chul Chang  ;  Kyung Jong Yoo  ;  Seung Yun Cho  ;  Won Heum Shim  ;  Nam Sik Chung  ;  Yang Soo Jang 
 YONSEI MEDICAL JOURNAL, Vol.44(3) : 438-444, 2003 
Journal Title
Issue Date
Aged ; Child, Preschool ; Contrast Media ; Coronary Angiography ; Coronary Artery Bypass* ; Female ; Humans ; Male ; Middle Aged ; Tomography, X-Ray Computed*/methods ; Vascular Patency*
Computed tomography ; coronary disease ; graft
The recently developed multislice computed tomography (MSCT) is capable of rapid imaging of cardiac structures, including coronary arteries, during a single breath-hold. We evaluated coronary artery bypass graft (CABG) patency by comparing MSCT results to those of contrast angiography. MSCT and contrast angiography were performed in 39 patients (10 women, 29 men and mean age 60.0 ± 7.8 years) with a total of 115 bypass grafts including 36 left internal mammary arteries, 4 right internal mammary arteries, 19 radial arteries, 2 gastroepiploic arteries and 54 vein grafts. Patients were investigated for an average of 14 ± 27 months (range 1 - 108 months) after CABG surgery. Contrast angiography showed a patency rate of 87.0% (100/115). Ninety-nine of these 100 patent grafts by contrast angiography and 14 of the remaining 15 occluded grafts were correctly classified by MSCT (93.3% sensitivity and 99.0% specificity for bypass graft occlusion). The positive and negative predictive values for bypass graft occlusion were 93.3% and 99%, respectively, with an overall diagnostic accuracy of 98.3% (97.2% for left internal mammary artery, 100% for radial artery, 98.1% for vein graft and 100% for other grafts). In conclusion, MSCT is a useful and accurate diagnostic tool for the evaluation of bypass graft patency.
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1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Ko, Young Guk(고영국) ORCID logo https://orcid.org/0000-0001-7748-5788
Yoo, Kyung Jong(유경종) ORCID logo https://orcid.org/0000-0002-9858-140X
Chang, Byung Chul(장병철)
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Chung, Nam Sik(정남식)
Choi, Dong Hoon(최동훈) ORCID logo https://orcid.org/0000-0002-2009-9760
Choi, Byoung Wook(최병욱) ORCID logo https://orcid.org/0000-0002-8873-5444
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