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ORIGINAL ARTICLE

Spontaneous reinnervation of deep inferior epigastric artery perforator flaps after secondary breast reconstruction

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Pages 28-31 | Published online: 08 Jul 2009
 

Abstract

The deep inferior epigastric artery perforator (DIEAP) flap is the gold standard of free flaps in breast reconstruction. However, until now little attention has been paid to reinnervation of the flap. The aim of this study was to examine the spontaneous reinnervation of the DIEAP flap after breast reconstruction. The study was cross-sectional, and included 29 women who had all previously had secondary reconstruction with a DIEAP flap after mastectomy for breast cancer. Pressure thresholds were analysed on the skin island of the flap using Semmes-Weinstein monofilaments. The measurements showed measurable sensation in 29 of the 30 flaps. Nine patients had normal or diminished light touch in one or more areas. We also found significant better pressure sensitivity when the medial was compared to the lateral side and the inferior to the superior side of the flap. Our data showed that DIEAP flaps reinnervate after breast reconstruction although there is no sensory nerve repair. We suggest that nerve ingrowth takes place from the sides and this seems to be more pronounced in the inferomedial part of the flap.

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