Background: Obesity is associated with an increased risk of ventral hernia development and recurrence rates after ventral hernia repair (VHR). The metabolic derangements caused by obesity can also lead to many postoperative complications. Therefore, it is a common practice to attempt weight loss before VHR. However, there is still no consensus on optimal preoperative management for obese patients with a ventral hernia. This study aims to perform a metaanalysis to evaluate the effect of preoperative weight optimization on VHR outcomes.
Methods:We performed a literature search of PubMed, Scopus, and Cochrane Library databases to identify studies comparing obese patients who underwent surgical or non-surgical weight loss interventions before undergoing hernia repair surgery to obese patients who underwent hernia repair surgery without prehabilitation. Postoperative outcomes were assessed by means of pooled analysis and meta-analysis. Statistical analysis was performed using RevMan 5.4. Heterogeneity was assessed with I 2 statistics.
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