CGH:代谢综合症对结直肠肿瘤的发生有显著影响

2014-11-03 MedSci译 MedSci原创

代谢综合征与增加的结直肠肿瘤风险密切相关,但其对结肠镜检查后肿瘤发生的影响如何目前人们知之甚少。中国台湾大学医学院的科研人员进行了一项研究,认为代谢综合征是起初基线结肠镜检查阴性或低度风险结果后高危腺瘤发生的一个显著的危险因子,应该考虑将其纳入随访监测时间间隔的危险度分层,相关研究成果在线发表在近期的Clinical Gastroenterology and Hepatology杂志上。这项前瞻性

代谢综合征与增加的结直肠肿瘤风险密切相关,但其对结肠镜检查后肿瘤发生的影响如何目前人们知之甚少。


中国台湾大学医学院的科研人员进行了一项研究,认为代谢综合征是起初基线结肠镜检查阴性或低度风险结果后高危腺瘤发生的一个显著的危险因子,应该考虑将其纳入随访监测时间间隔的危险度分层,相关研究成果在线发表在近期的Clinical Gastroenterology and Hepatology杂志上。

这项前瞻性研究共纳入4483位年龄≥50岁的在台大医院年度健康体检中接受结肠镜筛查和监测的受试者。研究记录了受试者基线人口统计学数据和结肠镜检查结果。该研究将基线结肠镜检查发现高危腺瘤或腺瘤数目≥3个的受试者列为高危组;非高危腺瘤数目<3个的受试者为低危组;检查没有发现任何肿瘤增生性病变的受试者则列为正常组。

研究发现,结肠镜检查监测(3年和5年后)期间发现高危肿瘤的累积危险度与危险度分组和代谢综合征有关联。研究根据基线结肠镜检查结果和临床相关危险因子(包括代谢综合征)来计算肿瘤发生的危险比(Hazard ratios)。

研究结果显示,结肠镜检查随访监测期间正常组1.3%的受试者、低危组第5年2.4%的受试者和高危组第3年8.5%的受试者都检测发现了高危腺瘤。而且伴有代谢综合征的受试者监测期间发生高危肿瘤的危险性显著增高(P<0.0001)。研究将获得数据基于基线结肠镜检查结果分层后发现,肿瘤的风险在正常组(P<0.001)和低危组 (P=0.04)受试者表现出显著的统计学意义,但在高危组统计学意义并不明显 (P=0.48)。Cox回归分析显示,代谢综合征对正常组 (HR=2.07;95% CI,1.13-3.81)和低危组 (HR=2.34;95% CI,1.01-5.41)受试者发生高危肿瘤的风险有显著的影响,而对高危组的影响并不显著。

综上结果,该项前瞻性研究认为,代谢综合征是基线结肠镜检查阴性或低度危险结果而后发生高危肿瘤的一个重要的危险因子。因此,代谢综合征应该被考虑纳入随访监测时间间隔的危险度分层,以利于临床诊疗决策的制定。

原始出处:

Han-Mo Chiu, Yi-Chia Lee, Chia-Hung Tu, Li-Chun Chang, Wen-Feng Hsu, Chu-Kuang Chou, Kun-Feng Tsai, Jin-Tung Liang, Chia-Tung Shun, Ming-Shiang Wu. Effects of Metabolic Syndrome and Findings from Baseline Colonoscopies on Occurrence of Colorectal Neoplasms. Clinical Gastroenterology and Hepatology, Oct 29, 2014, DOI: http://dx.doi.org/10.1016/j.cgh.2014.10.022.


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    2015-07-11 chendoc242
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