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Previous Volume 361:1907-1910 November 5, 2009 Number 19 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Lopes and colleagues (July 16 issue)¹ report data on vein-graft harvesting techniques from the Project of Ex-vivo Vein Graft Engineering via Transfection IV (PREVENT IV) study and conclude that endoscopic vein-graft harvesting, as compared with open harvesting, is independently associated with increased vein-graft failure and adverse outcomes.

In another analysis from the same study,² off-pump and on-pump coronary-artery bypass grafting (CABG) were compared. An interesting finding was that with endoscopically harvested grafts, the probability of graft failure was significantly higher in the off-pump group than in the on-pump group (odds ratio, 1.78 vs. 1.27). In addition, vein . . . [Full Text of this Article]

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