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. 2023 Jan 31.
doi: 10.1097/SAP.0000000000003461. Online ahead of print.

Salvage of Nipple-Areolar Complex Ischemia With Dimethyl Sulfoxide: A Case Series

Gayle S Wiesemann  1 , Elizabeth A Cox  2 , D Spencer Nichols  3 , Lisa R Spiguel  4 , Frederik D Heath  5 , Suhail Kanchwala  6 , Sarah Sorice-Virk  7
Affiliations

Salvage of Nipple-Areolar Complex Ischemia With Dimethyl Sulfoxide: A Case Series

Gayle S Wiesemann et al. Ann Plast Surg. .

Abstract

Background: Nipple-areolar complex (NAC) necrosis is a known risk of breast surgery, particularly mastectomy. Disruption of the underlying blood supply to the NAC can lead to ischemia and subsequent necrosis. Nitroglycerin paste is currently used to combat NAC ischemia but has limited efficacy and an unfavorable side effect profile. Topical dimethyl sulfoxide (DMSO) has been shown to increase tissue perfusion in microsurgery and various skin flaps, but its role in the treatment and prevention of NAC ischemia has not been reported. Through a prospective case series, this study aims to introduce DMSO as a safe treatment for NAC ischemia after breast surgery.

Methods: Patients treated by 2 breast surgeons and a single plastic surgeon who underwent nipple-sparing mastectomy or breast reduction and developed NAC ischemia were identified via a prospectively maintained database. Ischemic changes were diagnosed, and treatment to the affected NAC with DMSO was initiated at the conclusion of the procedure, or postoperative day 1 in most cases, and continued 4 times daily until ischemic changes had resolved clinically. Collected demographic, surgical, and outcome variables were analyzed using descriptive statistics.

Results: Eleven patients with a mean age of 47.8 ± 9.5 years (range, 35-61 years) and mean body mass index of 26.0 ± 4.4 kg/m2 (range, 20.7-33.4 kg/m2) were identified. The mean duration of time between surgery and the clinical diagnosis of NAC ischemia was 1.3 ± 2.8 days (range, 0-7 days). The average length of time from DMSO initiation to clinical improvement or resolution of NAC ischemia was 7.5 ± 2.5 days (range, 5-12 days). All patients demonstrated significant improvement or complete resolution of NAC ischemia following serial topical DMSO application.

Conclusions: This study demonstrates DMSO is a safe treatment for threatened NACs. All patients in this series showed either dramatic improvement or resolution of NAC ischemia after DMSO application, and threatened NACs of all 11 patients were successfully salvaged. These promising results set the basis for ongoing randomized controlled studies to determine the efficacy of DMSO treatment for NAC ischemia.

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Conflict of interest statement

Conflicts of interest and sources of funding: This research did not receive any specific grant or funding from public, commercial, or not-for-profit agencies. Furthermore, no financial or nonfinancial benefits have been received or will be accepted from any party related directly or indirectly to the subject of this article. S.S.-V. is an ad hoc consultant for RTI Surgical.

References

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