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Risk Factors for Recurrent High-Risk Polyps after the Removal of High-Risk Polyps at Initial Colonoscopy

Authors
 Hui Won Jang  ;  Soo Jung Park  ;  Sung Pil Hong  ;  Jae Hee Cheon  ;  Won Ho Kim  ;  Tae Il Kim 
Citation
 YONSEI MEDICAL JOURNAL, Vol.56(6) : 1559-1565, 2015 
Journal Title
 YONSEI MEDICAL JOURNAL 
ISSN
 0513-5796 
Issue Date
2015
MeSH
Adenomatous Polyps/pathology ; Adenomatous Polyps/surgery* ; Aged ; Colectomy* ; Colonic Neoplasms/pathology* ; Colonic Polyps/pathology ; Colonic Polyps/surgery* ; Colonoscopy* ; Female ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Multivariate Analysis ; Neoplasm Recurrence, Local/diagnosis* ; Retrospective Studies ; Risk Factors
Keywords
Colon polyp ; high-risk ; polypectomy ; surveillance
Abstract
PURPOSE: Colonoscopic polypectomy and surveillance are important to prevent colorectal cancer and identify additional relative risk factors for adequate surveillance. In this study, we evaluated risk factors related to recurrent high-risk polyps during the surveillance of patients with high-risk polyps. MATERIALS AND METHODS: We included 434 patients who had high-risk polyps (adenoma≥10 mm, ≥3 adenomas, villous histology, or high-grade dysplasia) on the baseline colonoscopy and underwent at least one surveillance colonoscopy from 2005 to 2011 at Severance Hospital. Data regarding patient characteristics, bowel preparation and polyp size, location, number, and pathological diagnosis were retrospectively collected from medical records. Patients with recurrent high-risk polyps were compared with patients with low-risk or no polyps during surveillance. RESULTS: Patients were predominantly male (77.4%), with a mean age of 61.0±8.6 years and mean follow-up of 1.5±0.8 years. High-risk polyps recurred during surveillance colonoscopy in 51 (11.8%) patients. Results of multivariate analysis showed that male gender, poor bowel preparation, and a larger number of adenomas were independent risk factors for recurrent high-risk polyps (p=0.047, 0.01, and <0.001, respectively). Compared with high-risk polyps found during initial colonoscopy, high-risk polyps on surveillance colonoscopy had higher proportions of small adenomas, low-risk pathology, and fewer adenomas overall, but there was no difference in location. CONCLUSION: Male patients and those with poor bowel preparation for colonoscopy or higher numbers of adenomas were more likely to experience recurrent high-risk polyps.
Files in This Item:
T201504899.pdf Download
DOI
10.3349/ymj.2015.56.6.1559
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
7. Others (기타) > Dept. of Health Promotion (건강의학과) > 1. Journal Papers
Yonsei Authors
Kim, Won Ho(김원호) ORCID logo https://orcid.org/0000-0002-5682-9972
Kim, Tae Il(김태일) ORCID logo https://orcid.org/0000-0003-4807-890X
Park, Soo Jung(박수정)
Jang, Hui Won(장희원)
Cheon, Jae Hee(천재희) ORCID logo https://orcid.org/0000-0002-2282-8904
Hong, Sung Pil(홍성필)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/156890
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