Performing combined breast and gynecologic surgery does not increase the rate of surgical site infections: A NSQIP database analysis.

Abstract

e18093 Background: The purpose of this study is to determine and compare the overall rates of surgical site infections (SSI) in patients undergoing breast surgery, hysterectomy and combined breast surgery and hysterectomy. Methods: We inspected the National Surgical Quality Improvement Program (NSQIP) Participant Use Files from 2005-2014 for subjects undergoing breast surgery (CPT codes 19300-19307, 19340, 19342, 19350, 19357, 19361, 19364, 19366-19369, 19380, 19396), Gynecologic surgery ( CPT Codes 58150, 58152, 58180, 58200, 58210, 58240, 58260, 58262, 58263, 58267, 58270, 58275, 58280, 58285, 58290-58294, 58541-58544, 58548, 58550, 58552-58554, 58570-58573), or a combined surgery (the NSQIP databased was queried for encounters that contained both a breast surgery code and hysterectomy procedure code). We then queried the database for SSI rates within 30 days of surgery. SSI rates were compared using a χ2 test with a nominal value of p < 0.05 as a test for significance. Results: We identified a total of 174,605 patients who underwent a breast surgery and found a SSI rate of 2.59%. We identified a total of 137,121 patients who underwent hysterectomy and found a SSI rate of 2.58%. We identified 383 patients who underwent a combined breast surgery and hysterectomy and found a SSI rate of 2.87%. When comparing SSI rates of combined breast surgery and hysterectomy, to breast surgery or hysterectomy alone, we found no significant difference in the rates of SSI between these groups (p = .7304). We analyzed SSI rates in patients by different surgical approaches including combined breast surgery and open hysterectomy and found an SSI rate of 4.35% (p = .357), combined breast surgery and laparoscopic hysterectomy and found an SSI rate of 2.38% (p = .931), and combined breast surgery and laparoscopic assisted vaginal hysterectomy and found an SSI rate of 2.75% (p = .916). Conclusions: The rates of SSI in patients undergoing combined breast surgery and hysterectomy is not significantly different from breast surgery or hysterectomy alone. Gynecologic oncologist should coordinate with breast surgeons to perform a combined procedure in patients who require both breast surgery and hysterectomy.