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机构地区:[1]同济大学医学院病理生理学教研室,消化系统疾病研究所,上海200092
出 处:《中国病理生理杂志》2014年第10期1813-1819,共7页Chinese Journal of Pathophysiology
基 金:国家自然科学基金资助项目(No.81270477)
摘 要:目的:对5-氨基水杨酸(5-ASA)干预炎症性肠病(IBD)相关性结肠癌(CRC)或上皮内瘤变(Dys)(IBD-CRC/Dys)的作用进行临床资料的评价和meta分析。方法:检索PubMed、Web of Science、the Cochrane Library等主要数据库,将符合标准的资料纳入研究,统计优势比(OR)及其95%置信区间(CI),并根据IBD类型和疗程进行亚组分析。结果:共纳入15篇文献中的5 038名IBD患者。使用5-ASA的IBD患者发生CRC/Dys的OR=0.53(95%CI:0.37~0.76)。根据疾病类型分层分析显示,使用5-ASA的溃疡性结肠炎患者发生CRC/Dys的OR=0.45(95%CI:0.27~0.77),克罗恩病患者发生CRC/Dys的OR=0.39(95%CI:0.16~0.97);此外,疗程小于1年的患者发生CRC/Dys的OR=0.59(95%CI:0.26~1.34),而疗程在1年以上(最长者达20年)发生CRC/Dys的OR=0.43(95%CI:0.25~0.74)。结论:5-ASA对IBD-CRC/Dys有预防作用,且该作用呈疗程依赖性,疗程长者效果明显,尚不能证明2~6个月的使用疗程有预防作用。AIM: We conducted an evaluation of clinical data with meta analysis to investigate the preventive effect of 5-aminosalicylic acid( 5-ASA) on inflammatory bowel disease( IBD)-associated colorectal cancer( CRC) or dysplasia( Dys)( IBD-CRC /Dys). METHODS: The information was retrieved from the main databases such as PubMed,Web of Science,the Cochrane Library,etc. All full-text articles about the prevention of IBD-CRC /Dys by 5-ASA were included if they conformed to the standards. The odds ratio( OR) and its 95% confidence interval( CI) were calculated.According to the types of IBD and the treatment course,the subgroup analysis was conducted,respectively. RESULTS:Fifteen articles were selected,including 5 038 IBD patients. Pooled analysis showed a protective association between 5-ASA and IBD-CRC /Dys( OR = 0. 53,95% CI: 0. 37 ~ 0. 76). Among them,both ulcerative colitis patients( OR = 0. 45,95% CI: 0. 27 ~ 0. 77) and Crohn disease patients( OR = 0. 39,95% CI: 0. 16 ~ 0. 97) with 5-ASA therapy were less likely to develop CRC /Dys compared with those without 5-ASA treatment. 5-ASA treatment for 1 ~ 20 years shows a preventive benefit( OR = 0. 43,95% CI: 0. 25 ~ 0. 74). However,a minimum 5-ASA exposure of 2 ~ 6 months did not show a preventive benefit( OR = 0. 59,95% CI: 0. 26 ~ 1. 34). CONCLUSION: 5-ASA protects against CRC /Dys in IBD patients. Additionally,the protective effect is treatment time dependent. Treatment course for 1 ~ 20 years shows an evident preventive benefit.
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