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Factors Affecting Colonoscope Insertion Time in Patients With or Without a Colostomy After Left-Sided Colorectal Resection

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Abstract

Background/Aims

We examined whether the insertion time for colonoscopies performed after left-sided resection was different in patients with a colostomy from that in patients without a colostomy and identified factors that could impact colonoscopy performance.

Methods

We included consecutive patients who underwent colonoscopy between July 2005 and March 2011 after left-sided colorectal resection for colorectal cancer. We classified surgical methods according to the presence or absence of a colostomy and evaluated colonoscope insertion time retrospectively. Furthermore, we analyzed factors that might affect insertion time.

Results

A total of 1,041 patients underwent colonoscopy after left-sided colorectal resection during the study period. The colonoscopy completion rate was 98.6 %, and the mean insertion time was 6.1 ± 4.6 min (median 4.7 min, range 0.3–35.8 min). A shorter resection length of colon, the presence of a colostomy, and a lower endoscopist case volume were found to be independent factors associated with prolonged insertion time in patients with left-sided colorectal resection. Among experienced colonoscopists, no colonoscopy-associated or clinical factors were found to affect insertion time. However, a shorter resection length of colon, the presence of a colostomy, and poor bowel preparation were associated with prolonged insertion time among inexperienced endoscopists.

Conclusions

We identified three factors that affect colonoscope insertion time after left-sided colorectal resection, including the presence of a colostomy. Inexperienced endoscopists were much more affected by the presence of a colostomy after left-sided colorectal resection. These findings have implications for the practice and teaching of colonoscopy after left-sided colorectal resection.

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None of the authors has a conflict of interest to disclose.

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Correspondence to Jae Hee Cheon.

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Jang, H.W., Kim, Y.N., Nam, C.M. et al. Factors Affecting Colonoscope Insertion Time in Patients With or Without a Colostomy After Left-Sided Colorectal Resection. Dig Dis Sci 57, 3219–3225 (2012). https://doi.org/10.1007/s10620-012-2257-6

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  • DOI: https://doi.org/10.1007/s10620-012-2257-6

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