• I Iesalnieks, A Fürst, M Rentsch, and K-W Jauch.
• Klinik und Poliklinik für Chirurgie der Universität Regensburg. Igors.Iesalnieks@klinik.uni-regensburg.de
• Chirurg. 2003 May 1;74(5):461-8.

BackgroundThere is a high incidence of postoperative complications and late recurrences after operative therapy of a pilonidal sinus. The optimal treatment strategy is still matter of discussion. We studied the long-term results after excision of a pilonidal sinus and primary midline closure compared with the open surgical procedure.Materials And MethodsA total of 73 patients (62 male and 11 female, mean age 26.6 years) underwent a total of 79 operations between 1992 and 2001. Thirty patients (38%) were previously operated on because of a pilonidal sinus.Twenty-four were treated in our institution by an open procedure (five after simple abscess incision, 19 after sinus excision) and 52 by primary midline closure. Another three patients received skin flap procedures.ResultsFollow-up was possible for 65 patients (82%) for a median of 50 months.Recurrent pilonidal sinus occurred in 22 cases: 18 after primary midline closure (42%) and four after open procedure (21%, P=0.4). We found no relapse following the three skin flap procedures. There was a significantly higher relapse rate in patients operated with recurrent disease (12/25 vs 10/40; P<0.05).ConclusionsDespite of numerous previously operated patients (38%), there was a high recurrence rate (42%) after excision of a pilonidal sinus and primary midline closure. Alternative operative techniques creating a lateral wound or the various skin flap procedures may be promising alternatives. We are in the process of changing our treatment strategy for patients suffering from a pilonidal sinus.

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