The impact of Pfannenstiel scars on TRAM flap complications.

Ann Plast Surg

Section of Plastic Surgery, University of Michigan, Ann Arbor, MI 48109, USA.

Published: November 2004

For the past two decades, the transverse rectus abdominis musculocutaneous (TRAM) flap has been a mainstay of postmastectomy breast reconstruction. Because the flap depends on musculocutaneous perforating vessels from the rectus muscle for survival, some authors have raised concerns about increased risks of TRAM flap loss in patients with scars from previous abdominal surgeries, particularly those with Pfannenstiel scars. To assess the effects of Pfannenstiel scars on complication rates, we retrospectively evaluated the inpatient and outpatient records of 241 patients undergoing TRAM reconstruction in a single institution over an 11-year period. Of these patients, 51 had previous Pfannenstiel scars. while 190 did not. Controlling for potential confounding variables (body mass index and timing of reconstruction), logistic regressions found no significant differences between the Pfannenstiel and nonPfannenstiel cohorts in the rate of flap loss (15.7% and 20%, respectively; P = 0.376) or in the incidence of postoperative abdominal donor site laxity (17.6% and 12.1%, respectively; P= 0.361). Within the Pfannenstiel group, the type of TRAM reconstruction (ie, pedicle versus free flaps) did not have a significant effect on complication rates. We conclude that previous concerns over the impact of preexisting Pfannenstiel scars on TRAM flap complications are unfounded.

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Source
http://dx.doi.org/10.1097/01.sap.0000130709.23640.60DOI Listing

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