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KMID : 0614620220790050210
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Korean Journal of Gastroenterology
2022 Volume.79 No. 5 p.210 ~ p.216
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Factors Associated with the Clinical Outcomes of Iatrogenic Colonic Perforation
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Lee Hyun-Jin
Lee Han-Hee
Cheung Dae-Young
Kim Jin-Il
Park Soo-Heon
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Abstract
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Background/Aims: This study evaluated the incidence of iatrogenic colonic perforation (ICP) in a high-volume center and analyzed the clinical outcomes and associated factors.
Methods: As a retrospective study of the electronic medical records, the whole data of patients who underwent colonoscopy from June 2004 to May 2020 were reviewed.
Results: During 16 years, 69,458 procedures were performed, of which 60,288 were diagnostic and 9,170 were therapeutic. ICP occurred in 0.027% (16/60,288) for diagnostic colonoscopies and in 0.076% (7/9,170) for therapeutic purposes (p=0.015; hazard ratio 2.878; 95% CI, 1.184-6.997). Fifty-two percent (12 cases) were managed with endoscopic clip closure, and 43.5% (10 cases) required surgery. The reasons for the procedure and the procedure timing appeared to affect the treatment decision. Perforations during therapeutic colonoscopy were treated with surgery more often than those for diagnostic purposes (66.7% [4/6] vs. 37.5% [6/16], p=0.221). Regarding the timing of the procedure, ICP that occurred in the afternoon session was more likely treated surgically (56.3% [9/16] vs. 0/5, p=0.027). Mortality occurred in two patients (2/23, 8.7%). Both were aged (mean age 84.0±1.4 vs. 65.7±10.5, p<0.001) and lately recognized (mean elapsed time [hours], 43.8±52.5 vs. 1.5±3.0, p<0.001) than the surviving patients.
Conclusions: ICP occurs in less than 0.1% of cases. The events that occurred during the morning session were more likely managed endoscopically. Age over 80 years and a longer time before perforation recognition were associated with mortality.
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KEYWORD
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Colonoscopy, Colon, Perforation, Mortality
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