Document Detail

Limited low-air insufflation is optimal for colonoscopy.
MedLine Citation:
PMID:  20411425     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Air insufflation is essential in routine colonoscopy, but obtaining optimal insufflation levels has not been discussed in the literature. The aim of this study was to determine optimal air insufflation during colonoscopic examination. METHODS: Consecutive patients who underwent colonoscopy were randomized to receive high-air insufflation (group A, n = 83), low-air insufflation (group B, n = 84), or low-air insufflation limited to the rectum and sigmoid colon (group C, n = 83). Completion rate, cecal intubation time, propofol dose, need for abdominal compression, and turning of patients, were evaluated. The post-procedure abdominal bloating was assessed with a 0-10 visual analog scale. RESULTS: The completion rates were similar among the three groups. The cecal intubation time was significantly shorter in group C than in group B (4.1 +/- 1.7 min vs. 5.2 +/- 3.0 min, mean +/- SD, p = 0.005). The dose of propofol was significantly less in group C than in group A (11.7 +/- 3.2 mg vs. 12.7 +/- 3.6 mg, mean +/- SD, p = 0.045). Group C needed the least manual abdominal compression (group A, B, and C: 81.9, 69, and 59%, respectively, p = 0.005) and had the least post-procedure abdominal bloating (group A, B, and C: 2.2 +/- 2.4, 2.2 +/- 2.1, and 1.5 +/- 1.9, respectively, p = 0.04). CONCLUSIONS: We found that limited use of low-air insufflation in the rectum and sigmoid is the procedure of choice for colonoscopic examination.
Yu-Hsi Hsieh; Kuo-Chih Tseng; Hwai-Jeng Lin
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't     Date:  2010-04-22
Journal Detail:
Title:  Digestive diseases and sciences     Volume:  55     ISSN:  1573-2568     ISO Abbreviation:  Dig. Dis. Sci.     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-06-17     Completed Date:  2010-07-21     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7902782     Medline TA:  Dig Dis Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2035-42     Citation Subset:  AIM; IM    
Division of Gastroenterology, Department of Medicine, Buddhist Dalin Tzu Chi General Hospital, Chia-Yi, Taiwan.
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MeSH Terms
Analysis of Variance
Chi-Square Distribution
Colonoscopy / methods*
Conscious Sedation / methods
Follow-Up Studies
Insufflation / methods
Linear Models
Middle Aged
Pain Measurement
Pneumoperitoneum, Artificial / methods*
Propofol / administration & dosage
Prospective Studies
Risk Assessment
Time Factors
Reg. No./Substance:

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