Abstract:
BACKGROUND AND AIM:Whether an early use of azathioprine (AZA) can alter the natural history of Crohn's disease (CD) remains debated. The aim of this study is to evaluate the impact of AZA on disease progression in a cohort of patients with early CD. METHODS:This longitudinal cohort study examined patients with early CD defined as disease duration ≤ 18 months and no previous use of disease-modifying agents according to Paris definition. The primary outcome was the proportion of CD-related intestinal surgery. Cox regression analysis was performed to identify potential predictive factors of CD progression. RESULTS:One-hundred and ninety patients with early CD were enrolled in the study. After a median follow-up of 57 months (interquartile range, 31.3-76.2), 31 patients underwent abdominal surgeries, 48 patients were hospitalized, and 68 patients experienced clinical flares. The cumulative rate of remaining free of CD-related bowel surgery, hospitalization, and flare at 5 years on AZA treatment was 0.65, 0.59, and 0.39, respectively. Three independent predictors of CD-related operations were identified: prior bowel resection (hazard ratio [HR], 9.23; 95% confidence interval [CI] 3.67-23.23), smoker (HR, 4.0; 95% CI 1.38-11.65), and hemoglobin < 110 g/L at the time of initiation of AZA (HR, 4.36; 95% CI 1.80-10.58). Conversely, AZA treatment duration > 36 months (HR, 0.04; 95% CI 0.01-0.15) was associated with reduced CD-related operations. CONCLUSION:Prior bowel resection, smoking, and hemoglobin < 110 g/L at the time of initiation of AZA were risk factors associated with intestinal surgery in patients with early CD. However, prolonged use (≥ 36 months) of AZA was associated with a more favorable disease course of early CD.
journal_name
J Gastroenterol Hepatoljournal_title
Journal of gastroenterology and hepatologyauthors
Qiu Y,Chen BL,Feng R,Zhang SH,He Y,Zeng ZR,Ben-Horin S,Peyrin-Biroulet L,Mao R,Chen MHdoi
10.1111/jgh.14000subject
Has Abstractpub_date
2018-03-01 00:00:00pages
664-670issue
3eissn
0815-9319issn
1440-1746journal_volume
33pub_type
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journal_title:Journal of gastroenterology and hepatology
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abstract::The hepatitis C virus was first identified in 1989. It causes chronic hepatitis, cirrhosis and hepatocellular carcinoma. Global anti-HCV prevalence is 1-3%. Contaminated blood product, dirty needles and instruments, and injection drug use are the main parenteral routes of transmission. Cultural practices, such as acup...
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doi:10.1046/j.1440-1746.2002.02870.x
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journal_title:Journal of gastroenterology and hepatology
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journal_title:Journal of gastroenterology and hepatology
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doi:10.1111/j.1440-1746.1993.tb01661.x
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journal_title:Journal of gastroenterology and hepatology
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pub_type: 杂志文章
doi:10.1111/j.1440-1746.1990.tb01415.x
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pub_type: 杂志文章,多中心研究,随机对照试验
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journal_title:Journal of gastroenterology and hepatology
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更新日期:1998-09-01 00:00:00
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