Frequent detection of cytomegalovirus in the intestine of patients with inflammatory bowel disease

被引:101
作者
Dimitroulia, Evangelia
Spanakis, Nicholas
Konstantinidou, Anastasia E.
Legakis, Nicholas J.
Tsakris, Athanassios
机构
[1] Univ Athens, Sch Med, Dept Microbiol, Virol Unit, GR-11527 Athens, Greece
[2] Univ Athens, Sch Med, Dept Pathol, GR-11527 Athens, Greece
关键词
cytomegalovirus infection; inflammatory bowel disease; ulcerative colitis; Crohn's disease; polymerase chain reaction; blood; intestinal tissue;
D O I
10.1097/01.mib.0000231576.11678.57
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Background: Although a growing number of reports have described inflammatory bowel disease (IBD) complicated with cytomegalovirus (CMV) infection, there are limited molecular studies that investigate CMV genome in intestinal sections of patients with IBD. Methods: A cross-sectional prospective study was conducted between September 2000 and June 2003 in a cohort of 85 patients diagnosed with IBD (58 with ulcerative colitis and 27 with Crohn's disease) in two adult gastrointestinal referral centers in Athens, Greece. Prevalence of CMV infection was estimated by pathologic studies in intestinal sections and by molecular assays in blood and intestinal tissue samples and compared with a control group of 42 individuals with noninflammatory disease. Results: Immunohistochemical staining showed CMV antigen in 10 IBD patients (7 with ulcerative colitis; 9 with severe disease), whereas CMV antigen was not detected in any of the controls. CMV genome in both the intestinal tissue and blood was found by polymerase chain reaction in 23 (27.1%) of the total IBD patients, in 18 (31.0%) of those with ulcerative colitis, and in 5 (18.5%) of those with Crohn's disease. In addition, five (5.9%) IBD patients (2 with ulcerative colitis and 3 with Crohn's disease) had detectable CMV genome in their intestinal samples but not in their blood. In the control group, five (11.9%) individuals had detectable CMV genome in their blood, but only one (2.2%) in his intestine. Conclusion: Patients with ulcerative colitis had more often detectable CMV genome in their blood as well as in their intestinal tissue samples as compared with controls (P = 0.022 and P < 0.0001, respectively). However, patients with Crohn's disease had more often detectable CMV genome only in their intestinal tissue samples as compared with controls (P = 0.001). Detection of CMV genome in blood or intestinal tissue was significantly associated with short duration of IBD (P = 0.0088 and 0.04, respectively) but not with age, sex, severity of the disease, activity at colonoscopy, pancolitis, administration of a specific treatment, and surgery. In this cross-sectional prospective study, detection of CMV genome or antigen in the intestine was commonly associated with IBD.
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页码:879 / 884
页数:6
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