Ketogenic Diet Versus Low-Calorie Diet Before Bariatric Surgery: Effect on Weight Loss, Reduction of Visceral Fat and Volume Liver

      Obesity is a multifactorial problem, and requires a way to ensure an effective and lasting results, obtained from an integrated and multifactorial therapeutic approach. When all medical approaches failed, bariatric surgery is the only therapeutic alternative. The main objective of the study is to verify whether preoperative weight loss, hepatomegaly and visceral fat reduction, can reduce operating time, intra-operative complications and hospital stay. Secondary objectives are to evaluate the efficacy of the ketogenic diet versus low-calorie diet balanced on weight reduction, adherence to dietary treatment, level of satiety and biochemical indices of nutritional status.
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