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Etiological difference between ultrashort- and short-segment Barrett's esophagus.
MedLine Citation:
PMID:  21132333     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: Barrett's esophagus has been divided into three categories based on the extent of the metaplasia: long-segment (LSBE), short-segment (SSBE), and ultrashort-segment Barrett's esophagus (USBE). While both LSBE and SSBE are thought to be induced by gastroesophageal reflux, the etiology of USBE is still unclear.
METHODS: We conducted a case-control study to identify the differences in the pathogenesis between SSBE and USBE in a hospital-based population. The endoscopic findings and clinical factors of 199 patients with short-segment endoscopically suspected esophageal metaplasia (SS-ESEM) and 317 patients with ultrashort-segment ESEM (US-ESEM) were compared with those of 199 and 317 age- and gender-matched patients without ESEM.
RESULTS: The severity of gastric mucosal atrophy was marginally associated with the presence of US-ESEM [odds ratio (OR) 1.20, 95% confidence interval (CI) 0.98-1.46, p = 0.08], but not with that of SS-ESEM. On the other hand, the presence of gallstones and that of severe reflux esophagitis were associated with the presence of SS-ESEM (OR 2.19, 95% CI 1.21-3.98; OR 1.72, 95% CI 1.08-2.75), but not with that of US-ESEM. Presence of gastric corpus atrophy without gallstones was associated with the presence of US-ESEM, but not with that of SS-ESEM.
CONCLUSIONS: Presence of gastric corpus atrophy was associated with an increased likelihood of the presence of US-ESEM, whereas the presence of gallstones was associated with an increased likelihood of the presence of SS-ESEM, suggesting difference in etiology between US- and SS-ESEM.
Juntaro Matsuzaki; Hidekazu Suzuki; Keiko Asakura; Yoshimasa Saito; Kenro Hirata; Toru Takebayashi; Toshifumi Hibi
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Publication Detail:
Type:  Journal Article     Date:  2010-12-04
Journal Detail:
Title:  Journal of gastroenterology     Volume:  46     ISSN:  1435-5922     ISO Abbreviation:  J. Gastroenterol.     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-03-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9430794     Medline TA:  J Gastroenterol     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  332-8     Citation Subset:  IM    
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
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