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BACKGROUND: Often, in severe obesity, diet and physical activity are not enough to achieve a healthy BMI. Bariatric
surgical approach, in particular laparoscopic adjustable gastric banding (LAGB), has encouraging results in terms of
weight loss and resolution of obesity-related comorbidities. However, several months after LAGB, some patients are enable
to lose weight anymore and don’t tolerate a further calibration because of its collateral effects (excessive sense of fullness,
heartburn, regurgitation and vomiting).
AIM: The aim of this study is to identify the potential role of high protein-low carbohydrate ketogenic diet (KD) in
managing weight loss in patients who underwent gastric banding and didn’t lose weight anymore.
METHODS: 50 patients underwent LAGB between January 2010 and December 2013. In twenty patients (GROUP A)
we observed a stop in weight loss so we divided this patients into two groups. One group (group A1: 10 patients) continued
to follow a LCD low calorie diet and underwent a further calibration; the other group (group A2: 10 patients)
started to follow a KD for the next 8 weeks.
RESULTS: Both group resumed a significant weight loss, however group A1 patients reported collateral effects due to calibration
and a higher Impact of Weight on Quality of Life – Lite (IWQOL-Lite) that correlates with a lower quality
of life than patients following KD.
CONCLUSIONS: KD can improve the weight loss and quality of life in patients who underwent LAGB and failed at losing
more weight allowing a weight loss comparable to that obtained with a further calibration and it is useful to avoid
drastic calibrations and their collateral effects.