Laparoscopic repair of parahiatal hernias with mesh: a retrospective study

Background  Parahiatal hernias are very rare and distinct entities, the diagnosis of which is never made clinically. Laparoscopic repair has been reported in the literature. We present our experiences with the laparoscopic repair of this uncommon type of hernia. Patients and methods  In our institute, we retrospectively identified a total of eight patients with parahiatal hernias from 1999 to 2007, of which four had primary and four had secondary defects. Laparoscopic crural repair was performed for all of the patients, fundoplication wherever indicated and meshplasty in the cases with large defects. Gastropexy was performed for the patient with volvulus. Results  The male:female ratio was 5:3, with a mean age of 46 years and a mean body mass index (BMI) of 29.3 kg/m². The mean size of the defects was 18 cm². The mean blood loss during surgery was 50 ml, the mean operative time was 103.5 min and the mean hospital stay was 4 days. One patient had the recurrence of symptoms 1 month after surgery. There were no conversions, recurrences or mortality. Discussion  Primary parahiatal hernias occur as a result of a congenital weakness and secondary defects follow hiatal surgery. The use of a mesh is advisable for large defects and defects of primary type. Secondary hernias following fundoplication do not need a redo fundoplication, but require an adequate crural repair with mesh. Laparoscopic repair of these uncommon hernias is safe, effective and provides all of the benefits of minimally invasive surgery.