Ricardo Vitor Cohen

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OBJECTIVE Roux-en-Y gastric bypass (RYGB) ameliorates type 2 diabetes in severely obese patients through mechanisms beyond just weight loss, and it may benefit less obese diabetic patients. We determined the long-term impact of RYGB on patients with diabetes and only class I obesity. RESEARCH DESIGN AND METHODS Sixty-six consecutively selected diabetic(More)
W e thank Dr. Kral for his thoughtful comments on our article regarding the use of Roux-en-Y gastric bypass surgery (RYGB) to treat type 2 diabetes (T2DM), and we would like to respond and add to his comments (1). Although the 1991 National Institutes of Health (NIH) guidelines were thoughtfully constructed and have been highly valuable, we agree that they(More)
Posição da SBCBM-nomenclatura e definicões para os resultados em cirurgia bariátrica e metabólica O besity was initially regarded as a psychosocial disorder, but, after years of study, has come to be understood as a chronic disease for which there is no cure, like hypertension and diabetes 6,7. Surgical intervention is safe and effective in the long term(More)
OBJECTIVE To determine whether upper gastrointestinal tract (UGI) bypass itself has beneficial effects on the factors involved in regulating glucose homeostasis in patients with type 2 diabetes (T2D). METHODS A 12-month randomized controlled trial was conducted in 17 overweight/obese subjects with T2D, who received standard medical care (SC, n = 7, BMI =(More)
INTRODUCTION Obesity and overweight are becoming progressively more prevalent worldwide and are independently associated with a significant increase in the risk of cardiovascular diseases. Systemic arterial hypertension is frequently found in association with obesity and contributes significantly to increased cardiovascular risk. We hypothesise that(More)
Objective. This prospective study evaluated laparoscopic sleeve gastrectomy for its safety and efficiency in excess weight loss (%EWL) in super superobese patients (BMI >60 Kg/m(2)). Results. Thirty patients (33 women and 7 men) were included, with mean age of 35 years (range 18 to 59). Mean preoperative BMI was 66 Kg/m(2) (range 60 to 85). The study(More)
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