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Endoscopic harvesting of veins for coronary artery bypass grafting (CABG) was considered a major advance because it results in better cosmetic appearance, less pain, and fewer infections than open vein-graft harvesting. However, a study published in 2009 raised questions about the long-term safety of endoscopic compared with open vein-graft harvesting (JW Cardiol Jul 15 2009). In response to these concerns, the FDA requested an analysis of data from the Society of Thoracic Surgeons national database. A cohort of 235,394 Medicare-eligible patients (mean age, 74) from 934 U.S. sites was compiled for the analysis.
Included were 122,899 endoscopic and 112,495 open vein-graft harvests. Baseline patient characteristics were generally similar betwe…