Weight loss after sleeve gastrectomy in patients with diabetes: preliminary study in one year of activity

L. Romano, S. Necozione, G. Cianca, M. Schietroma, F. Carlei, A. Giuliani

Department of General Surgery, San Salvatore Hospital; Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy. lucia.romano@graduate.univaq.it

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• Metabolism

OBJECTIVE: The objective of our study is to investigate whether diabetes mellitus could adversely affect post-laparoscopic sleeve gastrectomy (LSG) weight loss.

PATIENTS AND METHODS: A retrospectively recorded database of patients who underwent LSG from September 2018 to September 2019 in our Hospital in L’Aquila was analyzed. The post-operative weight loss was evaluated in terms of body mass index (BMI) variation, percentage of excess weight loss (%EWL) and percentage of total weight loss (%TWL). The association between these parameters and diabetes was analyzed at 3 and 6 months of follow-up.

RESULTS: The two groups (patients with and without diabetes) were considered comparable in terms of anthropometric and preoperative parameters. At 3 and 6 months of follow-up, the decrease in BMI resulted to be directly associated with the time and the group. The mean BMI at 3 and 6 months was higher in patients with diabetes. Changes in % EWL and % TWL were similar in both groups.

CONCLUSIONS: It is rational to expect a lower weight loss in obese diabetic patients after LSG. This should not be considered as a contraindication to bariatric surgery that, being a metabolic surgery, has as main goal the resolution or improvement of co-morbidities.

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