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Superomedial pedicle reduction mammaplasty: increased resection weight does not increase nipple necrosis.
Journal of Surgical Research 2017 November
BACKGROUND: The superomedial pedicle (SMP) reduction mammaplasty offers several advantages over more traditional operative techniques, such as retained sensation to the nipple areola complex (NAC) and improved preservation of long-term breast shape. However, many surgeons believe that using the SMP can cause an increase in NAC necrosis rates up to 13.1%, especially in large volume reductions. The aims of this paper are to determine the rate of nipple necrosis when performing an SMP reduction mammaplasty at our institution and establish if there is a difference in those rates based on the weight of tissue removed. We then compared our overall rate of nipple necrosis to those found using a systematic review of literature involving other pedicles to determine if this technique is equivalent to more commonly used methods.
METHODS: We performed a retrospective chart review of patients who underwent breast reduction surgery using SMP at a single institution between May 1, 2013, and May 1, 2015. Each breast was counted separately, and the weight of the tissue removed was recorded. Six-mo follow-up data were analyzed using the chi-square analysis to compare rates of NAC necrosis among our patients and historical cohorts.
RESULTS: One hundred thirty-five breasts (70 patients) met inclusion criteria. Patients had a mean resection weight per breast of 1016.7 g (±478.3). There was an NAC necrosis rate of 0% in the groups where 1200 g or less of tissue were removed and 2.3% (n = 1) in the group where greater than 1200 g of tissue were removed. We found no statistically significant difference in the rate of NAC necrosis with increased resection weights, (P = 0.32). The overall rate of NAC necrosis for this study was 0.7% per breast, which is equivalent to the rates found during the systematic review of literature.
CONCLUSIONS: In this study, the SMP breast reduction technique shows a low rate of NAC. We found no statistically significant increase in NAC necrosis rates as the volume of tissue removed increases, and the SMP appears to have an overall rate of NAC necrosis similar to more commonly used pedicles. Although the results of this study may be related to patient selection or surgical technique, we believe that this pedicle preserves the breast's main blood supply so that less tissue ischemia occurs.
METHODS: We performed a retrospective chart review of patients who underwent breast reduction surgery using SMP at a single institution between May 1, 2013, and May 1, 2015. Each breast was counted separately, and the weight of the tissue removed was recorded. Six-mo follow-up data were analyzed using the chi-square analysis to compare rates of NAC necrosis among our patients and historical cohorts.
RESULTS: One hundred thirty-five breasts (70 patients) met inclusion criteria. Patients had a mean resection weight per breast of 1016.7 g (±478.3). There was an NAC necrosis rate of 0% in the groups where 1200 g or less of tissue were removed and 2.3% (n = 1) in the group where greater than 1200 g of tissue were removed. We found no statistically significant difference in the rate of NAC necrosis with increased resection weights, (P = 0.32). The overall rate of NAC necrosis for this study was 0.7% per breast, which is equivalent to the rates found during the systematic review of literature.
CONCLUSIONS: In this study, the SMP breast reduction technique shows a low rate of NAC. We found no statistically significant increase in NAC necrosis rates as the volume of tissue removed increases, and the SMP appears to have an overall rate of NAC necrosis similar to more commonly used pedicles. Although the results of this study may be related to patient selection or surgical technique, we believe that this pedicle preserves the breast's main blood supply so that less tissue ischemia occurs.
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