Abstract
Extracorporeal shock wave therapy (ESWT) has recently been demonstrated to improve skin flap survival. In all these studies EWST was applied immediately after the surgical intervention. Thus, the purpose of this study was to determine the preoperative effect of ESWT as a noninvasive technique to precondition flap tissue in a rat epigastric skin flap model. EWST and control groups each contained 10 animals. ESWT was applied 7 days before the surgical intervention, whereas the control group received no treatment. Follow-up evaluation was performed on postoperative day 5. The mean area of flap necrosis, expressed as a percentage of the total flap area, was calculated. A significant reduction of the average flap necrosis area was observed in the ESWT group (27.2% +/- 9.6%) compared with the control group (46.1% +/- 7.9% (P < 0.05). In summary, this study indicates that preoperative ESWT may enhance skin flap survival in a rodent model.
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