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01-08-2016 | Reconstructive Oncology

Protecting Nipple Perfusion by Devascularization and Surgical Delay in Patients at Risk for Ischemic Complications During Nipple-Sparing Mastectomies

Authors: Danielle M. Bertoni, MD, MPH, Dung Nguyen, MD, Danielle Rochlin, MD, Tina Hernandez-Boussard, PhD, MPH, MS, Shannon Meyer, Nicole Choy, MD, Geoffrey C. Gurtner, MD, Irene L. Wapnir, MD

Published in: Annals of Surgical Oncology | Issue 8/2016

Abstract

Background

Indications for nipple-sparing mastectomy (NSM) are expanding; however, high-risk patients have more ischemic complications. Surgical devascularization of the nipple-areolar complex (NAC) prior to NSM can reduce complications. This study reports perfusion patterns and complications in high-risk patients undergoing 2-stage NSM.

Methods

Surgical devascularization of the NAC was performed 3–6 weeks prior to NSM in 28 women. Risk factors included ptosis, obesity, smoking, prior breast surgery, and radiation. Using indocyanine green (ICG)-based fluorescence and an infrared camera, blood inflow was visualized intraoperatively. NAC perfusion patterns were classified as: V1, underlying breast; V2, surrounding skin; V3 = V1 + V2, or V4, capillary fill following devascularization. Ischemic complications were analyzed.

Results

Baseline perfusion for 54 breasts was 35 % V1, 32 % V2, and 33 % V3. Increasing ptosis was associated with V1 pattern: 86 % for grade 3, 31 % for grade 2, and 18 % for grade 1. Postdevascularization epidermolysis was observed in 63 % of V1 baseline, 41 % of V2, and 22 % of V3 (P = .042) and after NSM in 26 % for V1, 7 % for V2, and 6 % for V3 (P = .131). Ptosis was significantly associated with epidermolysis postdevascularization (P = .002) and NSM (P = .002). Smoking and BMI ≥30 were related to increased ischemic complications. Two or more risk factors were associated with postdevascularization ischemic changes (P = .026), but were not significant after NSM. Nipple loss was not observed, but 2 patients underwent partial areolar resection.

Conclusion

Adaptive circulatory changes after devascularization allow tissues to tolerate the additional ischemic challenge of mastectomy. Our findings support extending 2-staged operations to high-risk women previously considered unsuitable for NSM.

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Title: Protecting Nipple Perfusion by Devascularization and Surgical Delay in Patients at Risk for Ischemic Complications During Nipple-Sparing Mastectomies
Authors: Danielle M. Bertoni, MD, MPH
Dung Nguyen, MD
Danielle Rochlin, MD
Tina Hernandez-Boussard, PhD, MPH, MS
Shannon Meyer
Nicole Choy, MD
Geoffrey C. Gurtner, MD
Irene L. Wapnir, MD
Publication date: 01-08-2016
Publisher: Springer International Publishing
Published in: Annals of Surgical Oncology / Issue 8/2016
Print ISSN: 1068-9265
Electronic ISSN: 1534-4681
DOI: https://doi.org/10.1245/s10434-016-5201-8

At a glance: The STEP trials

Springer Medicine

Protecting Nipple Perfusion by Devascularization and Surgical Delay in Patients at Risk for Ischemic Complications During Nipple-Sparing Mastectomies

Abstract

Background

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Background

Methods

Results

Conclusion

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