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Cytomegalovirus infection in ulcerative colitis.

Abstract：

OBJECTIVE:Cytomegalovirus (CMV) infection has been reported as an exacerbating factor in inflammatory bowel disease but the relationship between CMV infection and ulcerative colitis (UC) remains unclear. There has been no detailed research to elucidate the clinicopathologic features of CMV infection in UC using surgical specimens. The aim of this study was to investigate the clinicopathologic features of CMV infection in UC patients who had undergone colectomy. MATERIAL AND METHODS:Surgical specimens taken from UC patients were examined for CMV infection. The patients were divided into three groups: severe, refractory, and UC-associated dysplasia or cancer according to the operative indications. CMV infection rates were evaluated and a comparison of clinical parameters was made between CMV-positive and CMV-negative patients, and the risk factors for CMV infection were analyzed using multivariate analyses. RESULTS:It was found that 25% of 32 patients were positive for CMV in the severe UC group; 8.3% of 72 patients were positive for CMV in the refractory UC group. None of the 22 patients was positive for CMV in the UC-associated dysplasia or cancer group. The CMV-positive rate in the severe UC group was significantly higher than that in the other groups (p<0.05). Patients' age at the time of operation was higher in the CMV-positive group than in the CMV-negative group among the patients with severe UC (p<0.01), and age at operation was an independent risk factor for CMV infection. CONCLUSIONS:CMV is found more frequently in severe UC than refractory UC and UC-associated cancer or dysplasia. Higher age can be a risk factor for CMV infection in patients with severe UC. However, a high steroid dose may not always be a risk factor for CMV infection.

journal_name

Scand J Gastroenterol

journal_title

Scandinavian journal of gastroenterology

authors

Kojima T,Watanabe T,Hata K,Shinozaki M,Yokoyama T,Nagawa H

doi

10.1080/00365520500408584

subject

Has Abstract

pub_date

2006-06-01 00:00:00

pages

706-11

issue

6

eissn

0036-5521

issn

1502-7708

pii

R5637H306661780J

journal_volume

41

pub_type

杂志文章

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