• Sukru Yazar, E Cigdem Karadag, Altug Altinkaya, Halil Kara, and Cihan Uras.
• Plastic, Reconstructive and Aesthetic Surgery, School of Medicine, Acibadem Maslak Hospital, Acibadem University, Istanbul, Turkey.
• Aesthetic Plast Surg. 2018 Aug 1; 42 (4): 971-979.

BackgroundBreast reconstruction with a Becker-type expander is a common technique following mastectomy. However, inconsistency remains in the literature regarding risk factors for the survival of a Becker-type expander following immediate breast reconstruction. This study's purpose is to investigate possible risk factors for the Becker-type expander survival and to evaluate the complications related to expander removal following immediate breast reconstruction.MethodsWe performed a retrospective chart review of consecutive women who underwent a mastectomy followed by immediate breast reconstruction with a Becker-type expander from November 2010 to November 2016. Electronic medical records were analyzed retrospectively for demographic, clinical, operative characteristics, and outcomes. Univariate Cox regression analysis was performed to determine the risk factors for the survival of the Becker-type expander following immediate breast reconstruction.ResultsA total of 74 Becker-type expanders were used in 72 patients who underwent immediate breast reconstruction. The patients' ages ranged from 27 to 71 years, with a mean ± standard deviation age of 44.6 ± 9.1 years. The most frequent complication was capsular contracture which occurred in 25 breasts (33.8%) followed by mastectomy skin flap necrosis in 6 breasts (8.1%), seroma in 4 breasts (5.4%), nipple-areolar complex necrosis in 4 breasts (5.4%), hematoma in 3 breasts (4.1%), and infection in 2 breasts (2.7%). The mean intraoperative expander fill volume (109.6 ± 66.9 cc [p = 0.039]) and mean total volume (386.5 ± 94.7 cc [p = 0.034]) were both significantly lower for patients with capsular contracture compared with those without capsular contracture. In patients with partial NAC necrosis, the mean mastectomy specimen volume (737.5 ± 242.8 cc) was significantly higher compared with patients without partial NAC necrosis (489.8 ± 219.0 cc; p = 0.027). A univariate Cox regression analysis showed that smoking and neoadjuvant therapy were significantly associated with expander removal (p = 0.023 and p = 0.006, respectively).ConclusionThe total volume of the expander and intraoperative fill volume of the expander appear to be predictive factors in the development of capsular contracture. However, there is no statistically significant association between radiotherapy and capsular contracture or expander survival in contrast with other published reports. Our findings reveal that the main risk factors for the survival of Becker-type expanders following immediate breast reconstruction are smoking and neoadjuvant therapy. To our knowledge, this is the first study to evaluate the most likely risk factors associated with Becker-type expander survival in immediate breast reconstruction.Level Of Evidence IvThis journal requires that authors assign a level of evidence to each article. For a full description of these evidence-based medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

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