Hernia Research Today is a free monthly online journal that collates and summarizes the latest research about Hernia, including details on hiatal, inguinal, umbilical, abdominal, treatment.

Primary paraesophageal hernia in children.

Karpelowsky JS, Wieselthaler N, Rode H

Department of Pediatric Surgery, Red Cross War Memorial Children's Hospital, Cape Town 7700, South Africa.

BACKGROUND: Paraesophageal hernias are uncommon in children and are distinctively different from the more common sliding hiatus hernias and those occurring after antireflux surgery in anatomy, pathology, symptoms, complications, and management. We reviewed a single institution's experience with the pathology of paraesophageal hernias. METHODS: We conducted a retrospective analysis of patient records. RESULTS: Fifty-nine children with paraesophageal hernias were treated during a 42-year period. Their mean age at presentation was 23.4 months (range, 1 day to 11 years). Presenting complaints were recurrent chest infections (n = 32), vomiting (n = 24), symptomatic anemia (n = 20), failure to thrive (n = 18), and dysphagia (n = 6). Five children were asymptomatic, and their diagnosis was established when they were investigated for incidentally noted asymptomatic anemia (n = 3), scoliosis (n = 2), and mumps (n = 1). Radiology typically showed cystic masses in the posterior mediastinum in the right lower chest and occasionally had an air-fluid level in the cystic mass or a dilated esophagus. None presented with strangulation or hematemesis. All patients were operated on. Surgical findings included a peritoneal lined sac and herniation through a widened diaphragmatic hiatus, containing the stomach and at times the transverse colon, spleen, and small bowel. The hernial sac usually occurred on the right. Principles of surgery included reduction of the contents, partial excision of the sac, crural approximation, and a fundoplication in 39 patients. No fundoplication was done in the earlier years in 20 patients, of whom 12 had recurrent reflux symptoms. Postoperative complications were bowel obstruction (n = 6), intussusception (n = 3), dysphagia (n = 3), breakdown of the repair (n = 3), and pneumothorax (n = 1). There was one mortality caused by preoperative aspiration. CONCLUSION: Paraesophageal hernias in children are uncommon and most likely caused by a congenital defect. They are associated with considerable morbidity. Strangulation is not a feature. Principles of repair are well established and should include an antireflux procedure.

Published 5 September 2006 in J Pediatr Surg, 41(9): 1588-93.
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