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KMID : 0364019920250010042
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Korean Journal of Thoracic and Cardiovascular Surgery
1992 Volume.25 No. 1 p.42 ~ p.48
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Patency Rate of Grafts after Coronary Artery Bypass Surgery
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노환규
박영환/장병철/강면식/조범구/홍승록/이응구/김성순/조승연
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Abstract
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Clinical improvement after coronary artery bypass surgery depends on the complete revalcularization and patency of graft vessels. Patency rate and the factors influencing the patency were studied by examining 134 grafts in 55 patients at a mean
follow-up of 22.8±4.2 months, range 15 days and 108 months. Serial studies were performed on 7 patients with 18 grafts. The over-all patency rate was 80.6%, and the rate more than 5 years after surgery was 50.0% with mean interval of 81 months.
Patency
rate of patients who had taken both aspirin and dipyridamole was higher than of patients who had been treated with aspirin only 80.5% vs 56.5%). The average serum triglyceride level of patients who had graft stenosis or occlusion in at least one
site
was significantly higher than that of patients in whom all grafts were patent(262.1mg% vs 174.8mg%). Patency rate of grafts in patient who had angina was 73.2% and in patients without angina 79.2%. 6 patients underwent successful percutaneous
transluminal angioplasty for narrowed or occluded grafts.
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KEYWORD
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