Clinical outcomes and risk factors of post-polypectomy microperforation in patients with colorectal neoplasia: a case-control study

Background: Colonoscopic polypectomy significantly reduces the incidence of colorectal cancer, but it carries potential risks, with colonic perforation being the most common and associated with significant morbidity. Objectives: This study evaluated the clinical outcomes and risk factors of microper...

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Main Authors: Seung Yong Shin, Min Soo Cho, Jinhoon Nam, Jie-Hyun Kim, Young Hoon Yoon, Hyojin Park, Jeonghyun Kang, Jae Jun Park
Format: Article
Language:English
Published: SAGE Publishing 2025-01-01
Series:Therapeutic Advances in Gastrointestinal Endoscopy
Online Access:https://doi.org/10.1177/26317745241312521
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author Seung Yong Shin
Min Soo Cho
Jinhoon Nam
Jie-Hyun Kim
Young Hoon Yoon
Hyojin Park
Jeonghyun Kang
Jae Jun Park
author_facet Seung Yong Shin
Min Soo Cho
Jinhoon Nam
Jie-Hyun Kim
Young Hoon Yoon
Hyojin Park
Jeonghyun Kang
Jae Jun Park
author_sort Seung Yong Shin
collection DOAJ
description Background: Colonoscopic polypectomy significantly reduces the incidence of colorectal cancer, but it carries potential risks, with colonic perforation being the most common and associated with significant morbidity. Objectives: This study evaluated the clinical outcomes and risk factors of microperforation during colonoscopic polypectomy. Design: A retrospective cohort study. Methods: We retrospectively reviewed the patients’ records who underwent colonoscopic polypectomy and subsequent plain radiographic examination to monitor perforation. Patients with pneumoperitoneum detected on plain radiography were enrolled. Patients who underwent adverse event-free colonoscopic polypectomies within 1 week of each case and were matched 2:1 by age and sex to the cases were selected as controls. Results: Microperforations occurred in 12 patients (8 males; age: median 64.5 years). Polyps with microperforations were more frequent in the right colon (83.3% vs 33.3%). Endoscopic mucosal resection with precutting (EMR-P; 16.7% vs 0.0%) or hot-snare polypectomy (8.3% vs 0.0%) was more frequently performed in the microperforation group. Muscle fibers at the polypectomy site were more frequently visible in the microperforation group (58.3% vs 8.3%). By multivariate analysis, right colon location and visible muscle fibers were independent risk factors for microperforation. All patients with microperforation received intravenous antibiotics and were advised to fast. Patients responded well to these conservative treatments and were discharged after a median of 3 (2–6.75) days of hospital stay. Conclusion: Our data suggest that conservative treatment is feasible and could be the primary management option for selected patients with microperforations postcolonoscopic polypectomy. Right-sided colonic polyps and visible muscle fibers predispose to microperforations.
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spelling doaj-art-176d6adb26ff4d5c831f586a205a9e322025-01-09T16:03:21ZengSAGE PublishingTherapeutic Advances in Gastrointestinal Endoscopy2631-77452025-01-011810.1177/26317745241312521Clinical outcomes and risk factors of post-polypectomy microperforation in patients with colorectal neoplasia: a case-control studySeung Yong ShinMin Soo ChoJinhoon NamJie-Hyun KimYoung Hoon YoonHyojin ParkJeonghyun KangJae Jun ParkBackground: Colonoscopic polypectomy significantly reduces the incidence of colorectal cancer, but it carries potential risks, with colonic perforation being the most common and associated with significant morbidity. Objectives: This study evaluated the clinical outcomes and risk factors of microperforation during colonoscopic polypectomy. Design: A retrospective cohort study. Methods: We retrospectively reviewed the patients’ records who underwent colonoscopic polypectomy and subsequent plain radiographic examination to monitor perforation. Patients with pneumoperitoneum detected on plain radiography were enrolled. Patients who underwent adverse event-free colonoscopic polypectomies within 1 week of each case and were matched 2:1 by age and sex to the cases were selected as controls. Results: Microperforations occurred in 12 patients (8 males; age: median 64.5 years). Polyps with microperforations were more frequent in the right colon (83.3% vs 33.3%). Endoscopic mucosal resection with precutting (EMR-P; 16.7% vs 0.0%) or hot-snare polypectomy (8.3% vs 0.0%) was more frequently performed in the microperforation group. Muscle fibers at the polypectomy site were more frequently visible in the microperforation group (58.3% vs 8.3%). By multivariate analysis, right colon location and visible muscle fibers were independent risk factors for microperforation. All patients with microperforation received intravenous antibiotics and were advised to fast. Patients responded well to these conservative treatments and were discharged after a median of 3 (2–6.75) days of hospital stay. Conclusion: Our data suggest that conservative treatment is feasible and could be the primary management option for selected patients with microperforations postcolonoscopic polypectomy. Right-sided colonic polyps and visible muscle fibers predispose to microperforations.https://doi.org/10.1177/26317745241312521
spellingShingle Seung Yong Shin
Min Soo Cho
Jinhoon Nam
Jie-Hyun Kim
Young Hoon Yoon
Hyojin Park
Jeonghyun Kang
Jae Jun Park
Clinical outcomes and risk factors of post-polypectomy microperforation in patients with colorectal neoplasia: a case-control study
Therapeutic Advances in Gastrointestinal Endoscopy
title Clinical outcomes and risk factors of post-polypectomy microperforation in patients with colorectal neoplasia: a case-control study
title_full Clinical outcomes and risk factors of post-polypectomy microperforation in patients with colorectal neoplasia: a case-control study
title_fullStr Clinical outcomes and risk factors of post-polypectomy microperforation in patients with colorectal neoplasia: a case-control study
title_full_unstemmed Clinical outcomes and risk factors of post-polypectomy microperforation in patients with colorectal neoplasia: a case-control study
title_short Clinical outcomes and risk factors of post-polypectomy microperforation in patients with colorectal neoplasia: a case-control study
title_sort clinical outcomes and risk factors of post polypectomy microperforation in patients with colorectal neoplasia a case control study
url https://doi.org/10.1177/26317745241312521
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