Bowel preparation is closely lined to the quality of colonoscopy, inadequate bowel preparation (IBP) could lead to higher miss rate of adenomas, patients' discomfort and higher health expense. For the patients with possible IBP before the examination, it may be better to cancel the colonoscopy and repeat bowel preparation through modified or enhanced strategies. This study aimed to externally validate the efficiency of a procedure-based model in predicting inadequate bowel preparation
Study Type
OBSERVATIONAL
Enrollment
600
Before colonoscopy, the following information was obtained by the colonoscopists through asking patients: the characteristics of last stool, the time of drinking first dose of laxative, the time of first defecation, the time of drinking last dose of laxative. The beginning time of colonoscopy was also recorded. During withdrawal phase, the quality of bowel preparation was evaluated based on BBPS scale.
Department of Gastroenterology, Hongai Hospital
Xiamen, Fujian, China
Xiang'an hospital of Xiamen University
Xiamen, Fujian, China
Department of Gastroenterology, Qionghai people's hospital
Qionghai, Hainan, China
Department of Gastroenterology, Bethune international peace hospital
Shijiazhuang, Hebei, China
Department of Gastroenterology，Zhengzhou Central Hospital
Zhengzhou, Henan, China
Department of Gastroenterology, Shaanxi Second People's Hospital
Xi'an, Shaanxi, China
Endoscopic center, Xijing Hospital of Digestive Diseases
Xi'an, Shaanxi, China
The Second Affiliated Hospital of Xi'an Jiaotong University
Xi'an, Shaanxi, China
The First Affiliated Hospital of Xi'an Medical University
Xi'an, Shannxi, China
Department of Gastroenterology，Shanxi Bethune hospital
Taiyuan, Shanxi, China
...and 2 more locations
Adequate bowel preparation
Defined by each segmental BBPS≥2
Time frame: 1 hour
The rate of yellow, clear stool in the last defecation
The characteristics of the last stool was self-evaluated by patients based on a picture containing different kind of stool examples.
Time frame: 1 hour
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