Prospective Evaluation of a Single-sided Innervated Gluteal Artery Perforator Flap for Reconstruction for Extensive and Recurrent Pilonidal Sinus Disease: Functional, Aesthetic, and Patient-reported Long-term Outcomes
World Journal of Surgery,

Schrogendorfer KF et al. – The innervated superior gluteal artery perforator flap is a useful technique for covering large and recurrent pilonidal sinus defects following wide local excision and represents an excellent tool in the surgical armamentarium for achieving long–lasting outcomes in this young group of patients.

  • Twenty–one patients (1 woman, 20 men) with a median age of 26 years (min - max = 18 - 46) were included in the study period from September 2005 to April 2010.
  • They recorded flap size, major and minor complications, hospital length of stay, impairment in activities of daily living, pain, aesthetic outcomes, and sensibility in the gluteal region (PSSD, pressure–specified sensory device) at 6 and 12 months postoperatively.

  • The mean defect size (±SD) was 13.0 ± 1.9 × 8.6 ± 1.3 × 5.5 ± 1.2 cm (height × width × depth), and median length of hospital stay was 9 days (range = 7–11).
  • Only two patients developed minor wound–healing complications.
  • Visual analog pain scales significantly improved, with no pain detectable at 12 months postoperatively (p < 0.0001).
  • The aesthetic appearance of the results was good in the majority of patients (61.9–85.7 %).
  • PSSD showed gradual normalization, with retained sensibility in the flap area over 12 months postoperatively (p = 0.0232).
  • During the median 36–month (range = 20–60) follow–up, they have not observed any recurrence in the operated area.

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