Background: The purpose of the study was to compare the outcome of excision and primary closure with that of rhomboid excision and the Limberg flap procedure in patients with primary sacrococcygeal pilonidal disease (SPD).
Methods: Two hundred consecutive patients with SPD were randomly allocated to undergo either excision and primary closure (group 1, n = 100) or rhomboid excision and the Limberg flap procedure (group 2, n = 100). Duration of operation, postoperative pain, time to first mobilization, length of hospital stay, postoperative complications, time to resumption of work, recurrence and time to recurrence were recorded for all patients.
Results: : Duration of operation was longer in group 2 than in group 1 (P = 0.001). However, postoperative pain was less (P < 0.001), mobilization earlier (P < 0.001), duration of hospital stay shorter (P < 0.001), time to resumption of work shorter (P < 0.001) and postoperative complications fewer (P < 0.001) in group 2. During a median follow-up of 28 months, no recurrence was detected in patients in group 2 versus 11 patients in group 1 (P = 0.001).
Conclusion: Because of its low complication rate and acceptable long-term results, rhomboid excision and the Limberg flap procedure is preferable to simple excision and primary closure in the treatment of SPD.
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