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  • Title: Obturator hernia: Clinical analysis of 11 patients and review of the literature.
    Author: Park J.
    Journal: Medicine (Baltimore); 2020 Aug 21; 99(34):e21701. PubMed ID: 32846788.
    Abstract:
    Obturator hernia is a relatively rare type of abdominal hernia, in which abdominal contents protrude through the obturator canal, a condition that can lead to small bowel obstruction. Its rarity and nonspecific signs and symptoms make a preoperative diagnosis difficult. The present study analyzed the clinical manifestations, diagnostic methods and operative treatment outcomes in patients with obturator hernia.Between January 2012 and October 2019, 1028 adults underwent surgical repair of abdominal wall hernia at the Department of Surgery, Kyungpook National University Hospital. The medical records of eleven patients who were treated for small bowel obstruction due to obturator hernia were retrospectively evaluated. Patient characteristics, clinical presentation, preoperative radiological diagnosis, operative findings, treatment, complications, and outcomes were recorded.All 11 patients were elderly women, with a mean age of 80.2 years (range, 71-87 years). Their mean body mass index was 17.9 kg/m (range, 11.9-22.2 kg/m). Symptoms at presentation were abdominal pain and vomiting, with a mean duration of symptoms prior to admission of 5.6 days (range, 1-15 days). Based on abdominopelvic computed tomography (CT) scans, all 11 patients were preoperatively diagnosed with obturator hernia, followed by laparoscopic exploration or laparotomy as soon as possible. Of the 11 patients, 6 (54.5%) had left-sided, four (36.4%) had right-sided, and one (9.1%) had bilateral obturator hernias. Three patients (27.3%) required resection of the ileum due to perforation or strangulation. All underwent simple closure of the hernia defect with interrupted or purse-string sutures. Ten patients recovered uneventfully, whereas one had wound seroma and ileus. Recurrence has not been observed in the 8 surviving patients.Obturator hernia should be included in the differential diagnosis of intestinal obstruction of unknown origin, especially in emaciated elderly women with chronic disease. Early surgical intervention without delay is imperative to avoid postoperative morbidity and mortality associated with intestinal strangulation due to obturator hernia. Obturator hernia can be sufficiently repaired with simple suture closure without mesh.
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