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Article Abstract
Unlabelled: Backgrounds：The purpose of this study was to compare the long term patency of PAS-Port system with other hand-sewn anastomosis system.
Methods: From 2009 to 2018, a total of 79 anastomoses were done in coronary bypass surgery with PAS-Port system, and a total of 252 anastomoses with Enclose Ⅱ. Among them, 76 anastomoses with PAS-Port system (group P) and 246 anastomoses of enclose Ⅱ (group E) were evaluated using angiography or multislice computer tomography. We compared age, gender, emergency rate, hospital death and cerebral infarction between the 2 groups and evaluated the patency of the grafts from post-operative day 5 to year 10 to obtain their long term graft patency.
Results: Group P was significantly older, more male, and higher emergency rate. One patient in group P died of septic multiorgan failure and 1 died in group E of intestinal tract necrosis. Early patency rates of the graft were 97.4% in Group P and 93.9% in Group E. Long term patency rates were also comparable, but PAS-Port system showed tendency toward a higher rate of patency( log rank p=0.057).
Conclusions: The long term patency rate of PAS-Port automated proximal anastomosis is comparable with that of hand-sewn anastomosis.
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