Korean Obesity Surgical Treatment Study: Protocol of a Prospective Multicentre Cohort Study on Obese Patients Undergoing Laparoscopic Sleeve Gastrectomy and Roux-en-Y Gastric Bypass

    October 2017 in “ BMJ Open ”
    Young Suk Park, Do Joong Park, Joo Ho Lee, Hyuk Joon Lee, Tae Kyung Ha, Yong Jin Kim, Seung Wan Ryu, Seunghee Han, Myoung-Woo Yoo, Sung Soo Park, Sang Uk Han, Yoonseok Heo
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    TLDR The Korean study confirmed that bariatric surgery is effective for weight loss in Asians.
    The Korean OBEsity Surgical Treatment Study (KOBESS) conducted in 2016-2017 was a prospective, multicentre, single-arm, observational, cohort study involving 100 morbidly obese Korean patients. The patients underwent primary sleeve gastrectomy or Roux-en-Y gastric bypass, with the primary outcomes being changes in body weight and waist circumference at 1 year. The study aimed to confirm the effectiveness of bariatric surgery in inducing weight loss in Asians, a fact previously established in Western populations. The study also assessed the remission rates of obesity-related comorbidities and the cost-effectiveness of surgical intervention. Despite a relatively small sample size, the study was considered sufficiently powered to test the hypothesis. The study also aimed to standardize and improve bariatric surgical techniques through repeated video-based review by each surgeon.
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