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Morphologic Follow-Up of the Anastomotic Sites Using One-year and Five-year Angiography after Coronary Artery Bypass Grafting  

Cho Kwang Ree (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Seoul National University)
Kim Jun-Sung (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Seoul National University)
Choi Jae-Sung (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Seoul National University)
Chae In-Ho (Department of Internal Medicine, College of Medicine, Seoul National University)
Oh Byung-Hee (Department of Internal Medicine, College of Medicine, Seoul National University)
Lee Myoung-Mook (Department of Internal Medicine, College of Medicine, Seoul National University)
Park Young-Bae (Department of Internal Medicine, College of Medicine, Seoul National University)
Kim Ki-Bong (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Seoul National University)
Publication Information
Journal of Chest Surgery / v.38, no.3, 2005 , pp. 191-196 More about this Journal
Abstract
We analysed the characteristics of anastomotic sites after coronary artery bypass grafting (CABG) using coronary angiographies (CAGs) performed at one and five years postoperatively in the same patient population. Material and Method: Among the 219 patients who underwent isolated CABGs between January 1995 and December 1997, follow-up coronary angiograms were performed in 149 ($75.3\%$) patients at one year and in 115 ($58.1\%$) patients at five years postoperatively. FitzGibbon grading system was used to evaluate the anastomotic sites. Result: The patency rates of arterial grafts at one- and five-year were $96.5\%$ (192/199) and $93.1\%$ (134/144), which were higher than those of saphenous vein grafts (SVGs) ($82.9\%$ (224/270) and $77.5\%$ (141/182), respectively) (p=0.01). Although there were significant decreases in the patency rates between one- and five-year CAGs of both arterial and venous grafts, the proportion of FitzGibbon grade B among the SVGs was increased from $5.2\%$ (one-year) to $8.2\%$ (five-year), suggesting the progression of vein graft disease (p < 0.01). Conclusion: The patency rate of the arterial graft was higher than that of SVG in both one- and five-year CAGs. The attrition rate of saphenous vein graft was higher than arterial grafts.
Keywords
Coronary artery bypass; Graft patency; Arterial graft;
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