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Research Article: 3 L split-dose polyethylene glycol is superior to 2 L polyethylene glycol in colonoscopic bowel preparation in relatively high-BMI (? 24 kg/m2) individuals: a multicenter randomized controlled trial

Date Published: 2023-12-05

Abstract:
Whether body mass index (BMI) is a risk factor for poor bowel preparation is controversial, and the optimal bowel preparation regimen for people with a high BMI is unclear.

Introduction:
Colorectal cancer (CRC) is the third most common malignancy and the second leading cause of cancer-related mortality worldwide [1]. Multiple risk factors have been reported to be associated with CRC, including obesity [2]. For each 5 kg/m2 increase in body mass index (BMI), the risk of CRC will increase by approximately 18% [3]. As the prevalence of overweight and obesity grows, human health will face tremendous challenges. Colonoscopy is important for screening, diagnosing, and treating colorectal lesions, and…

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