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  • Title: Midline Extraperitoneal Approach for Obturator Hernia Repair.
    Author: Otsuki Y, Konn H, Takeda K, Koike M.
    Journal: Keio J Med; 2018 Dec 26; 67(4):67-71. PubMed ID: 29540635.
    Abstract:
    Obturator hernia (OH) is a rare condition that accounts for 0.073-1% of abdominal hernias and 0.48% of bowel obstructions. OH frequently occurs in elderly women, with an incidence that increases with age. The only treatment for OH is surgical intervention, and the approaches used vary greatly. Consequently, a well-defined consensus has not yet emerged. We assessed the efficiency and safety of the midline extraperitoneal approach for OH. Six patients with OH repaired using the midline extraperitoneal approach at KKR Sapporo Medical Center between April 2011 and January 2016 were included in the study. We retrospectively evaluated the patient characteristics, intraoperative findings, and the postoperative course. All patients were elderly women [median age, 90 (range, 79-92) years], with a median body mass index of 17.0 (range, 15.6-18.3) kg/m2 at presentation. All had symptoms associated with bowel obstruction: two patients presenting with leg pain had the Howship-Romberg sign. In two patients, bowel resection was required because of irreversible ischemic changes. Five patients had coexisting femoral and inguinal hernias that were repaired by bilateral mesh repair. One patient had aspiration pneumonia as a postoperative complication. All patients were discharged alive, without infection or recurrence. OH can be efficiently and safely repaired using the midline extraperitoneal approach. This approach establishes the diagnosis of OH, avoids injuring obturator vessels, gives improved exposure of the obturator canal, enables identification and simultaneous repair of other pelvic hernias, and facilitates bowel resection. This approach reduces the risk of mesh infection in patients undergoing bowel resection.
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