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Diabetes Technol Ther. 2015 Oct;17(10):682-4. doi: 10.1089/dia.2015.0064. Epub 2015 Jul 15.

Failed Surgical Weight Loss Does Not Necessarily Mean Failed Metabolic Effects.

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1 Bariatric and Metabolic, Cleveland Clinic , Cleveland, Ohio.
2 Endocrinology and Metabolism Institutes, Cleveland Clinic , Cleveland, Ohio.


The metabolic profile of patients after a failed surgical weight loss procedure is unknown. Long-term clinical outcomes of 31 obese diabetes patients with post-bariatric surgery excess weight loss of ≤25% were assessed. At a median follow-up of 6 years (range, 5-9 years) after surgery, remission and clinical improvement of diabetes occurred in seven (23%) and 13 (42%) patients, respectively. A long-term mean total weight loss of 7.0±4.7% and excess weight loss of 13.7±8.5% were associated with a mean reduction in fasting blood glucose level, from 158.9±66.7 to 128.4±35.3 mg/dL (P=0.03), and a significant decrease in diabetes medication requirements (P<0.001). A significant decrease in systolic blood pressure (11.1±23.4 mm Hg, P=0.01) and level of circulating triglycerides (35.7±73.4 mg/dL, P=0.04) was also observed after surgery. A modest surgical weight loss in the range of 5-10% of initial weight was associated with significant improvement in cardiometabolic risk factors of morbidly obese diabetes patients. The markedly improved glycemic control (65% remission or clinical improvement) may be partly explained by weight-independent antidiabetes mechanisms of certain bariatric surgical procedures.

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