Abstract
Background While there is mounting evidence that closed suction drains are not necessary, there is a paucity of literature to demonstrate that drains are harmful after breast reduction. The purpose of this study was to investigate the effect of drains on postoperative seroma, hematoma, and infection, as well as elucidate any risk factors that may be implicated in the development of these complications. Methods A retrospective cohort study was conducted of all reduction mammaplasty procedures at our university medical center between 2010–2020. Pedicle type, skin incision, drain utilization, breast excision mass, sternal notch to nipple distance, and inframammary fold to nipple distance were analyzed with postoperative outcomes including hematoma, seroma, infection, dehiscence, nipple necrosis, and fat necrosis. Results This study included 944 female patients undergoing reduction mammaplasty. Median age was 39.0 years, median body mass index was 31.9 kg/m2, and median breast mass resected was 742 grams per side. Drain utilization did not significantly reduce postoperative hematoma (P = 0.196), seroma (P = 0.185), nipple necrosis (P = 0.511), or fat necrosis (P = 0.113), but drain utilization significantly increased postoperative surgical site infection (P = 0.011). Patients with breast mass removed over 1500 g had significantly higher risk of hematoma (P = 0.002), fat necrosis (P < 0.001), and nipple necrosis (P < 0.001) compared to patients with less than 1500 g removed. In patients with greater than 1500 g resected, drain utilization did not significantly decrease risk of hematoma (P = 0.086) or seroma (P = 0.497). Conclusions Breast reduction greater than 1500 g per side significantly increased risk of hematoma, nipple necrosis, and fat necrosis. Drain utilization did not demonstrate any advantageous effects, rather it increased risk of infection. Future multicenter study will be needed to confirm these findings across different patient referral networks and practice patterns.
Published Version
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