Efectos de la pérdida de peso preoperatoria mediante una dieta muy baja en calorías versus una dieta mixta, en pacientes obesos mórbidos candidatos a cirugía bariátrica laparoscópica

Identifier:  TDX:3239

Handle: https://hdl.handle.net/20.500.11797/TDX3239

Authors:  Gils Contreras, Anna

Abstract:
Obesity has been on the rise in recent decades, especially in its most extreme forms. While this pathology is associated with some comorbidities, it is known that the most effective method for its improvement or resolution is bariatric surgery. Nontheless, nonalcoholic fatty liver disease, which is present in almost 90% of subjects pending bariatric surgery, is a comorbidity that turns the liver more friable and larger, thus making the surgical act more difficult. The main objective of this dissertation is to evaluate which type of preoperative dietary strategy, either a Very Low Calorie Diet (VLCD) or a Low Calorie Diet (LCD), is more effective in reducing liver volume. The specific objectives evaluate the effect of both diets on weight and body composition, tolerance and diet compliance, biochemical parameters, surgical complications and hospital stay; as well as the effect of increasing or decreasing adherence to the Mediterranean diet and / or the level of physical activity a