Open colorectal surgery has higher risk of venous thromboembolism than laparoscopic surgery

Monday, June 20, 2011 (Last Updated: 06/21/2011)

MONDAY, June 20 (HealthDay News) -- Open colorectal (OC) surgery is associated with a significantly higher risk of perioperative venous thromboembolism (VTE) than laparoscopic colorectal (LC) surgery, according to a study published in the June issue of the Archives of Surgery.

Brian Buchberg, M.D., from the University of California-Irvine Medical Center in Orange, and colleagues investigated the incidence of VTE in 149,304 patients who underwent LC or OC resection from 2002 to 2006. Data from 141,456 patients undergoing elective LC was compared with that of 7,848 patients undergoing elective OC surgery, to identify the risk factors of developing VTE after LC and OC surgery. Participants were followed up for 60 months. The incidence of VTE was measured during initial hospitalization after LC or OC surgery, and classified by surgical site, pathology type, and at-risk patient population.

The investigators found that the incidence of VTE was significantly higher in patients treated with OC than in patients who underwent LC (1.44 versus 0.83 percent). Patients with inflammatory bowel disease and those undergoing rectal resections were found to have the highest overall rate of VTE, after stratifying according to pathological conditions and surgical site. Malignancy, obesity, and congestive heart failure were statistically significant risk factors for VTE in both OC and LC surgery.

"Our study found that the overall incidence of VTE is lower after LC compared with the corresponding incidence after OC procedures," the authors write.

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Specialties Hematology & Oncology

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