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KMID : 0191120140290010098
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Journal of Korean Medical Science
2014 Volume.29 No. 1 p.98 ~ p.105
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A Randomized Controlled Trial of Comparison on Time and Rate of Cecal and Termianl Ileal Intubation according to Adult-Colonoscope Length: Intermediate versus Long
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Kim Kwang-Min
Lee Seung-Hwa
Lee Duck-Joo
Kim Kyu-Nam
Seo Sang-Wook
Lee Hyung-Suk
Lee Dong-Ryul
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Abstract
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For a complete colonoscopic examination, a high intubation rate and a short intubation time have been demanded to colonoscopists, if possible. The aim of the present study was to compare these examination parameters, intubation time and rate, according to the length of colonoscope. A total of 507 healthy Korean subjects were randomly assigned into two groups: intermediate length adult-colonoscope (n=254) and long length adult-colonoscope (n=253). There were significant differences in cecal intubation time and in terminal ileal intubation rate according to the length of the colonoscope. Time-to-cecal intubation was shorter for the intermediate-scope group than for the long-scope group (234.2 ± 115.0 sec vs 280.7 ± 135.0 sec, P < 0.001). However, the success rate of terminal ileal intubation was higher in the long-scope group than in the intermediate-scope group (95.3% vs 84.3%, P < 0.001). There were no significant differences in other colonoscopic parameters between the two groups. The intermediate length adult-colonoscope decreased the time to reach the cecum, whereas the long-scope showed a success rate of terminal ileal intubation. These findings suggest that it is reasonable to prepare and use these two types of colonoscope appropriate to the needs of the patient and examination, instead of employing only one type of colonoscope.
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KEYWORD
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Colonoscopy, Intubation Time, Intubation Rate, Colonoscope Length
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