Document Detail


Prevalence of adenomas and advanced adenomas in patients in the 40- to 49-year age group undergoing screening colonoscopy because of a family history of adenoma/polyp in a first-degree relative.
MedLine Citation:
PMID:  22440200     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Per current guidelines, patients with a first-degree relative (FDR) with adenomas should get screened at age 40. Data on the prevalence of adenomas and advanced adenomas (AAs) in these patients are lacking.
OBJECTIVE: To examine the prevalence of adenomas and AAs in 40- to 49-year-old individuals undergoing screening colonoscopy because of a family history (FH) of polyps and to compare these data with those of a control population of similar age.
DESIGN: Retrospective cross-sectional study.
SETTING: Tertiary care academic medical center and Veterans Affairs medical center.
PATIENTS: Study subjects included all 40- to 49-year-old asymptomatic individuals undergoing initial screening colonoscopy at our institution from January 1, 2006, to June 1, 2009, because of an FDR with polyps. The control population consisted of all 40- to 49-year-old individuals who underwent their first colonoscopy during the same period because of abdominal pain, diarrhea, or constipation without an FH of polyps or colorectal cancer.
INTERVENTION: Colonoscopy.
MAIN OUTCOME MEASUREMENTS: The prevalence of adenomas of any size, AAs, and risk factors associated with adenomas.
RESULTS: The prevalence of adenomas was greater in the FH of polyps group (n = 176) compared with the control sample (n = 178) (26.7% vs 13.5%; P = .002) but was not statistically greater for AAs (5.7% vs 3.4%; P = .3). After adjusting for confounders, FH of a polyp was associated with an increased prevalence of adenomas (odds ratio 2.8 [95% CI, 1.4-5.5]).
LIMITATIONS: Limited data on polyp histology in FDRs and limited sample size.
CONCLUSIONS: Among 40- to 49-year-old patients undergoing screening colonoscopy because of an FDR with polyps, the prevalence of adenomas was greater than in a control population. Prospective research is needed to quantify the prevalence of AAs in this group and to determine whether these individuals should undergo screening colonoscopy at age 40.
Authors:
Akshay Gupta; Jewel Samadder; Eric Elliott; Saurabh Sethi; Philip Schoenfeld
Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Gastrointestinal endoscopy     Volume:  75     ISSN:  1097-6779     ISO Abbreviation:  Gastrointest. Endosc.     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-03-23     Completed Date:  2012-08-14     Revised Date:  2014-03-19    
Medline Journal Info:
Nlm Unique ID:  0010505     Medline TA:  Gastrointest Endosc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  705-11     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 American Society for Gastrointestinal Endoscopy. Published by Mosby, Inc. All rights reserved.
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MeSH Terms
Descriptor/Qualifier:
Adenoma / epidemiology*,  genetics,  pathology*
Adult
Colonic Neoplasms / epidemiology*,  genetics,  pathology*
Colonoscopy
Confidence Intervals
Cross-Sectional Studies
Early Detection of Cancer
Female
Humans
Logistic Models
Male
Middle Aged
Multivariate Analysis
Odds Ratio
Prevalence
Retrospective Studies
Risk Factors
Grant Support
ID/Acronym/Agency:
1K24DK084208/DK/NIDDK NIH HHS; K24 DK084208/DK/NIDDK NIH HHS; T32 DK062708/DK/NIDDK NIH HHS
Comments/Corrections

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