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Plastic & Reconstructive Surgery:
doi: 10.1097/PRS.0000000000000417
Reconstructive: Trunk: Original Articles

A Randomized Controlled Trial of the embrace Advanced Scar Therapy Device to Reduce Incisional Scar Formation

Longaker, Michael T. M.D., M.B.A.; Rohrich, Rod J. M.D.; Greenberg, Lauren M.D.; Furnas, Heather M.D.; Wald, Robert M.D.; Bansal, Vivek M.D.; Seify, Hisham M.D.; Tran, Anthony M.D.; Weston, Jane M.D.; Korman, Joshua M. M.D.; Chan, Rodney M.D.; Kaufman, David M.D.; Dev, Vipul R. M.D.; Mele, Joseph A. M.D.; Januszyk, Michael M.D.; Cowley, Christy M.P.H.; McLaughlin, Peggy B.S.; Beasley, Bill B.S.; Gurtner, Geoffrey C. M.D.

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Abstract

Background: Scarring represents a significant biomedical burden in clinical medicine. Mechanomodulation has been linked to scarring through inflammation, but until now a systematic approach to attenuate mechanical force and reduce scarring has not been possible.

Methods: The authors conducted a 12-month, prospective, open-label, randomized, multicenter clinical trial to evaluate abdominoplasty scar appearance following postoperative treatment with the embrace Advanced Scar Therapy device to reduce mechanical forces on healing surgical incisions. Incisions from 65 healthy adult subjects were randomized to receive embrace treatment on one half of an abdominoplasty incision and control treatment (surgeon’s optimal care methods) on the other half. The primary endpoint for this study was the difference between assessments of scar appearance for the treated and control sides using the visual analogue scale scar score.

Results: Final 12-month study photographs were obtained from 36 subjects who completed at least 5 weeks of dressing application. The mean visual analogue scale score for embrace-treated scars (2.90) was significantly improved compared with control-treated scars (3.29) at 12 months (difference, 0.39; 95 percent confidence interval, 0.14 to 0.66; p = 0.027). Both subjects and investigators found that embrace-treated scars demonstrated significant improvements in overall appearance at 12 months using the Patient and Observer Scar Assessment Scale evaluation (p = 0.02 and p < 0.001, respectively). No serious adverse events were reported.

Conclusions: These results demonstrate that the embrace device significantly reduces scarring following abdominoplasty surgery. To the authors’ knowledge, this represents the first level I evidence for postoperative scar reduction.

CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, II.

©2014American Society of Plastic Surgeons

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