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首页> 外文期刊>Journal of cardiac surgery. >The patency of sequential and individual saphenous vein grafts after off-pump coronary artery bypass grafting.
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The patency of sequential and individual saphenous vein grafts after off-pump coronary artery bypass grafting.

机译：非体外循环冠状动脉搭桥术后顺序和单个大隐静脉移植的通畅性。

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BACKGROUND: The impact of the grafting techniques (individual or sequential grafts) on the graft patency of off-pump coronary artery bypass grafting (OPCAB) has not been reported. The mid-term patency rates for individual and sequential saphenous vein grafts (SVGs) as coronary bypass conduits of OPCAB were compared. METHODS: A total of 714 distal coronary anastomoses on 448 SVGs were assessed using a 64-multislice computed tomography in 398 patients at an average of 26.4 +/- 23.6 months (three months to five years) after an OPCAB procedure. The blood flow of grafts in the proximal segment of individual and sequential SVGs was also compared. RESULTS: The overall patency of sequential SVGs (95.9%) was significantly superior to individual ones (90.6%, p = 0.022). The anastomoses on the sequential conduits had better patency (95.1% vs. 90.1%, p = 0.013). The patency of side-to-side anastomoses (97%) was better than that of end-to-side anastomoses (93.1%) and also better than that of the individual end-to-side anastomoses (90.1%, p = 0.002, p = 0.041). No significant difference was observed between the two approaches in regard to the three major coronary systems; however, anastomoses on sequential grafts had superior patency to those on individual grafts in the right coronary system (p = 0.008). The blood flows of double and triple sequential SVGs were significantly higher than those of individual ones (p < 0.001, p = 0.048, respectively). CONCLUSIONS: The mid-term patency of a sequential SVG conduit after OPCAB is excellent and generally superior to that of an individual one.
机译：背景：尚未报道移植技术（单个或顺序移植）对非体外循环冠状动脉搭桥术（OPCAB）移植通畅的影响。比较了作为OPCAB冠状动脉旁路导管的单个和连续大隐静脉移植物（SVG）的中期通畅率。方法：采用OPCAB手术后，平均398个患者在26.4 +/- 23.6个月（3个月至5年）的26.4 +/- 23.6个月（3个月至5年）内使用64层计算机体层摄影术评估了448个SVG上总共714例远端冠状动脉吻合。还比较了单个和连续SVG近端部分的移植物血流量。结果：顺序性SVG的总体通畅度（95.9％）明显优于单个SVG（90.6％，p = 0.022）。顺序导管上的吻合口通畅性更好（95.1％比90.1％，p = 0.013）。侧向吻合术的通畅度（97％）优于端侧吻合术的通畅度（93.1％），也比单个端侧吻合术的通畅度（90.1％，p = 0.002， p = 0.041）。在三种主要冠状动脉系统方面，两种方法之间没有观察到显着差异。但是，在右冠状动脉系统中，顺序移植的吻合口通畅性优于单个移植的吻合口（p = 0.008）。两次和三次连续SVG的血流量显着高于单个SVG（分别为p <0.001，p = 0.048）。结论：OPCAB术后顺序性SVG导管的中期通畅性极好，并且通常优于单个导管。

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