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  • Title: Patient factors predicting the completion of sedation-free colonoscopy.
    Author: Tsai MS, Su YH, Liang JT, Lai HS, Lee PH.
    Journal: Hepatogastroenterology; 2008; 55(86-87):1606-8. PubMed ID: 19102351.
    Abstract:
    BACKGROUND/AIMS: Colonoscopy without sedation costs less than sedated colonoscopy. The aim of this study is to identify the patient factors predicting the completion of colonoscopy without sedation. METHODOLOGY: Between May and September 2005, a single colorectal surgeon performed 120 consecutive colonoscopies. Patient demographic, clinical and colonoscopy-related data were collected and analyzed. RESULTS: Out of 120 colonoscopies performed, 11 were excluded due to obstruction of the colon by a tumor or poor preparation. Therefore, the study group contained 109 patients. Ninety-three (85.3%) colonoscopies were completed. Completion rate (odds ratio for completion [95% confidence interval]) was significantly associated with the male gender (5.03 [1.35-18.86]), high body mass index (4.42 [1.18-16.67]), no previous history of gynecological surgery (6.36 [1.84-22.14]), and previous colonic resection. Previous gynecological surgery was significantly associated with lower completion rates as shown using multivariate analysis. No complications relating to colonoscopy were observed. CONCLUSIONS: In the majority of patients, a colorectal surgeon with adequate endoscopy experience can perform sedation-free colonoscopy successfully and safely. Gender, previous gynecological surgery, previous colonic resection, and body mass index were predictive factors for successful colonoscopy without sedation.
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