N Onaca1, A Hirshberg, R Adar. 1. Division of Transplantation, Mayo Clinic, Rochester, Minnesota, USA.
Abstract
PURPOSE: The aim of this study was to analyze failures in the operative management of perirectal abscesses resulting in early reoperation. METHODS: This was a retrospective case study of 500 consecutive patients who underwent 627 drainage procedures for a perirectal abscess. RESULTS: Forty-eight patients (7.6 percent of all drainage procedures) required reoperation within ten days of the original procedure. The main factors leading to reoperation were incomplete drainage (23 patients), missed loculations within a drained abscess (15 patients), missed abscesses (4 patients), and postoperative bleeding (3 patients). Incomplete drainage was more common with simple perirectal abscesses, whereas most overlooked collections were located posteriorly. Horseshoe abscesses were associated with a particularly high rate (50 percent) of operative failures. Neither preexisting perianal pathology nor systemic immunosuppressive disease contributed to early failures. CONCLUSION: Surgical errors are the leading cause of early failures in the surgical treatment of perianal abscesses. These errors occur in a limited number of typical patterns and can therefore be identified and taught with an aim to decrease their occurrence.
PURPOSE: The aim of this study was to analyze failures in the operative management of perirectal abscesses resulting in early reoperation. METHODS: This was a retrospective case study of 500 consecutive patients who underwent 627 drainage procedures for a perirectal abscess. RESULTS: Forty-eight patients (7.6 percent of all drainage procedures) required reoperation within ten days of the original procedure. The main factors leading to reoperation were incomplete drainage (23 patients), missed loculations within a drained abscess (15 patients), missed abscesses (4 patients), and postoperative bleeding (3 patients). Incomplete drainage was more common with simple perirectal abscesses, whereas most overlooked collections were located posteriorly. Horseshoe abscesses were associated with a particularly high rate (50 percent) of operative failures. Neither preexisting perianal pathology nor systemic immunosuppressive disease contributed to early failures. CONCLUSION: Surgical errors are the leading cause of early failures in the surgical treatment of perianal abscesses. These errors occur in a limited number of typical patterns and can therefore be identified and taught with an aim to decrease their occurrence.
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