Author Affiliations: Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Canada (Drs Trinh, Sun, and Karakiewicz); and Vattikuti Urology Institute, Henry Ford Health System, Detroit, Michigan (Mr Sammon).
In a population-based analysis relying on 149 304 patients who underwent either a laparoscopic colorectal resection or an open colorectal resection, Buchberg et al1 showed that patients who underwent an open colorectal resection were nearly twice as likely to develop venous thromboembolism following surgery than patients who underwent a laparoscopic colorectal resection (odds ratio, 1.8 [95% CI, 1.4-2.2]). However, they failed to adjust for important patient, hospital, and clinical confounders.
Trinh Q, Sun M, Sammon J, Karakiewicz PI. Venous Thromboembolism in Colorectal Surgery: How Much Does Laparoscopy Impart an Advantage?. Arch Surg. 2012;147(2):199. doi:10.1001/archsurg.2011.1488