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  • Author: Bembea Marius x
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Paula Dejeu, Viorel Dejeu, Dănuț Dejeu and Bembea Marius


Background and aims: Overweight and obese individuals are prone to an insulin resistance status assessed in the present study by the HOMA index ("Homeostasis model assessment"). This prospective study assessed the body mass index (BMI) and the insulin resistance status (HOMA index) in obese patients after bariatric surgery (gastric sleeve, gastric by-pass).

Material and Methods: The study included 48 patients who were assessed before the bariatric surgery and at 6 months thereafter. The assessment included the body mass index (BMI) and the HOMA index before meal.

Results: There was a significant positive correlation between BMI and HOMA index, mostly between weight loss and improvement in insulin resistance status (rho = 0.308, p = 0.0335).

Conclusions: BMI decreases significantly after bariatric surgery, which correlates positively with an improvement in insulin resistance status.