CGH:炎症性肠病患者炎性标志物与结肠癌风险相关

2014-02-21 cmt 丁香园

C反应蛋白(CRP)水平与红细胞沉降率(ESR)升高的炎症性肠病(IBD)患者的结直肠癌(CRC)风险显著增加;多变量分析显示,高CRP分位数患者的CRC风险显著增加,高ESR也与CRC高风险呈独立相关;持续强化监测策略可使CRC高风险患者受益,而对于低风险患者,可考虑减少结肠镜检查频次。 日前一项研究显示,C反应蛋白(CRP)水平与红细胞沉降率(ESR)升高的炎症性肠病(IBD)患者的

C反应蛋白(CRP)水平与红细胞沉降率(ESR)升高的炎症性肠病(IBD)患者的结直肠癌(CRC)风险显著增加;多变量分析显示,高CRP分位数患者的CRC风险显著增加,高ESR也与CRC高风险呈独立相关;持续强化监测策略可使CRC高风险患者受益,而对于低风险患者,可考虑减少结肠镜检查频次。【原文下载

日前一项研究显示,C反应蛋白(CRP)水平与红细胞沉降率(ESR)升高的炎症性肠病(IBD)患者的结直肠癌(CRC)风险显著增加,研究提示,上述两个指标均可作为结肠癌风险的标志物。Clinical Gastroenterology and Hepatology期刊1月6日在线版发表了来自美国波士顿的研究者的上述前瞻性研究成果。

研究者基于患者中位CRP水平和中位ESR的差异,分别将3,145 例和4,008例IBD患者分为四组,然后进行随访,中位随访时间6年。多变量分析显示,高CRP分位数患者的CRC风险显著增加,高ESR也与CRC高风险呈独立相关。

波士顿麻省总医院胃肠病专家Ashwin Ananthakrishnan医生领导的研究小组认为,上述相关性以及其他临床变量有助于患者风险分层。确认患者风险程度非常重要,持续强化监测策略可使CRC高风险患者受益,而对于低风险患者,可考虑减少结肠镜检查频次。每位患者的炎症严重程度或有助于制定个体化监测方案,甚至还有益于治疗应答等其他结局的监测。

研究者发现,在校正年龄、性别、种族、IBD类型及其他因素后,最高CRP四分位组患者CRC风险是最低四分位数患者的2倍。无论男性还是女性、克罗恩病还是溃疡性结肠炎患者,这一关联强度均相似。

同样,最高ESR四分位数患者CRC风险也是最低四分位数患者的2倍,溃疡性结肠炎及男性患者关联性最强。每个分位数患者中位CRP值分别为0.8 mg/L、2.7 mg/L、7.5 mg/L和32.8 mg/L,中位ESR值分别为7 mm/hr、14 mm/hr、25 mm/hr和50 mm/hr。

总体而言,CRP队列和ESR队列中分别有33例和102例患者发展为结直肠癌,确诊时中位年龄为55岁。中位CRP检测次数为3次,中位ESR检测次数为6次。半数以上的患者为女性,大多数为白人,溃疡性结肠炎患者略多于克罗恩病患者。

研究者观察到,在校正结肠镜检查次数、医疗服务利用强度、类固醇使用情况以及其他因素后,无论CRP队列还是ESR队列,上述结果均是如此。

原始出处

Ananthakrishnan AN1, Cheng SC2, Cai T2, Cagan A3, Gainer VS3, Szolovits P4, Shaw SY5, Churchill S6, Karlson EW7, Murphy SN8, Kohane I9, Liao KP7.Serum Inflammatory Markers and Risk of Colorectal Cancer in Patients With Inflammatory Bowel Diseases.Clin Gastroenterol Hepatol. 2014 Jan 7.【原文下载

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    2014-04-17 sjq027
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    2014-05-03 chendoc242
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2013年11月刊发在Gastroenterology杂志上的一项基于人群的研究显示,在过去的60年里,炎症性肠病(IBD)患者需要接受肠切除手术的风险已逐渐降低。IBD是一组病因尚未明确,以慢性复发性的肠道炎症为特征的疾病,主要包括克罗恩病(CD)和溃疡性结肠炎(UC)。对于内科治疗无效的IBD患者,通常需要接受手术治疗。但是随着时间的推移,IBD患者需要接受手术治疗的风险并不明确。来自加拿大卡