oa Journal of Endocrinology, Metabolism and Diabetes in South Africa - Bariatric surgery : risks and recommendations for the prevention of perioperative thromboembolism : review article
Globally the numbers of overweight, obese and severely obese people are increasing rapidly. High incidences of obesity and overweight have been documented for the South African population (Table Ia and Ib). Although polygenetic factors play an important role in obesity, environmental factors should also be considered. A sedentary occupation and lifestyle with easy access to energy dense foods is a major contributor to the obesity epidemic. For patients with a BMI > 40 kg/m2, who have failed to successfully lose weight, bariatric surgery is a treatment option. This surgical intervention can achieve long-term sustained weight loss and often induces resolution of comorbidities such as diabetes, sleep apnoea, hyperlipidaemia and hypertension (Table II).
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