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Hallock Geoffrey G. MD; Merkel, Joseph R. PhD; Rice, David C. BS; DiPaolo, Byron R. PhD
Annals of Plastic Surgery: March 1993
Original Articles: PDF Only

Minimizing the morbidity of in utero surgery or, perhaps more important, capturing the unique characteristics of scarless remodeling, as is the fetal response to injury, demands better elucidation of the observed variations from adults in whom the normal progression of wound healing leads to fibrosis. Species-dependent fetal phlogistic responses and wound scar formation represent a temporal continuum before the onset of adult patterns. We have analyzed skin collagen synthesis and content in Sprague-Dawley rats as one possible factor in this evolution showing that the fetal characteristics of a high percentage of type III collagen relative to type I and low total collagen content are maintained as long as the first 10 to 15 days postpartum. Although extrapolation of such a crucial “golden period” to justify the delay of human surgical procedures while still capturing the benefits of the fetal milieu remains speculative, anecdotal observations of minimal scar formation lend some credibility for performing less invasive maneuvers in the neonate.

© Williams & Wilkins 1993. All Rights Reserved.