Abstract
IntroductionNipple-sparing mastectomy (NSM), combined with immediate breast reconstruction, has become the preferred surgical option to achieve better patient satisfaction and aesthetic outcome. However, nipple-areolar complex (NAC) ischemia and necrosis are common complications following nipple-sparing technique. Materials and methodsWe performed a retrospective analysis of 220 breasts that underwent NSM and immediate reconstruction from May 2010 to December 2016 at our institute. For accurate evaluation of ischemia rate after nipple-sparing mastectomy, we suggested a nipple-areolar ischemia grading system. We also found association between various factors and complications of nipple-areolar complex through statistical analysis. ResultsAmong 220 breasts that underwent NSM in 207 patients, ischemia occurred in 141 (64.1%) breasts. However, necrosis required surgical reoperation in only 69 (31.3%) breasts. Patient factor affecting NAC complications was existence of ptosis. Also, surgical techniques for periareolar incision as well as oncologic surgeon's technique impacted NAC necrosis. Reconstruction methods including direct-to-implant, latissimus dorsi island flap with implant, and transverse rectus abdominis free flap showed higher rate of necrosis compared to tissue-expander reconstruction. ConclusionWe clarified factors that affect NAC necrosis. Among them, modifiable factors were skin tension and periareolar incision. When periareolar incision is necessary, lower periareolar incision is safer than upper periareolar incision to preserve vascularity of NAC.
Published Version
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