Outcome of the Treatment of Pilonidal Sinus with Limberg Flap: A Prospective Observational Study

Pilonidal sinus disease is a chronic and often recurring condition affecting the sacrococcygeal region, prevalent among young adults, particularly males. The Limberg flap, a rhomboid fascio-cutaneous flap, is a reliable surgical method with low complication and recurrence rates. This study assesses outcomes of the Limberg flap procedure in terms of postoperative complications, recurrence, hospital stay, and time to return to work. Conducted at the Department of Colorectal Surgery, Bangabandhu Sheikh Mujib Medical University, this prospective observational study included 18 patients with primary pilonidal sinus treated with the Limberg flap from July 2019 to August 2020. Patients were followed for nine months postoperatively to assess outcomes. Postoperative complications were minimal, with 11.1% developing seroma and 16.7% experiencing tip necrosis. Wound dehiscence was observed in one patient at one month, but no complications were recorded beyond this period, and no recurrence was noted over nine months. The mean hospital stay was 4.17 days, and the mean time to return to work was 12 days. The Limberg flap is an effective, safe option for treating pilonidal sinus, with low complication rates, early return to work, and no recurrence over nine months.