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The effectiveness of negative-pressure wound therapy for wound healing after stoma reversal: a randomized control
1Department of Surgery, Yeungnam University Medical Center, Yeungnam Uiversity College of Medicine, Daegu, Korea.
Purpose:
The purse-string closure (PSC) method is used for skin closure after stoma reversal to reduce surgical site infections (SSIs). However, PSC requires a longer healing period than primary closure. The application of negative-pressure wound therapy (NPWT) may reduce the healing period of many wound types. This study aimed to investigate whether the application of NPWT promotes wound healing after the PSC method for stoma reversal.
Methods:
This study was a randomized controlled study. Patients who had undergone stoma reversal surgery were randomized to receive NPWT or simple dressing after surgery. The primary outcome was a complete wound-healing period. We also investigated SSI, hospital stay, total cost, and the patient and observer scar assessment scale (POSAS) as secondary outcomes.
Results:
A total of 36 patients were randomized into 2 groups. The median wound healing period was shorter in the NPWT group than in the control group (17.5 days [range, 11-24 days] vs. 21.5 days [range, 14-41 days], P = 0.006). SSI rate and hospital stay did not differ between the groups. However, the number of dressings was lower in the NPWT group than in the control group (5 [range, 3-7] vs. 17 [range, 10-30], P < 0.001). The total cost for dressing was comparable between the groups. The POSAS was not different between the groups.
Conclusion:
This study revealed that NPWT application after PSC for stoma reversal site is effective in reducing the wound healing period compared to simple dressing, without increasing SSI and total cost.
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