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Association of Body Mass Index With Risk of Early-Onset Colorectal Cancer: Systematic Review and Meta-Analysis.
The American Journal of Gastroenterology ( IF 9.8 ) Pub Date : 2021-11-01 , DOI: 10.14309/ajg.0000000000001393
Hengjing Li 1, 2 , Daniel Boakye 1 , Xuechen Chen 1, 2 , Michael Hoffmeister 1 , Hermann Brenner 1, 3, 4
Affiliation  

INTRODUCTION Incidence of colorectal cancer (CRC) in young adults has been increasing in recent decades in many countries for still widely unclear reasons. Suspected candidates include increasing prevalence of overweight and obesity, but specific evidence on their role for early-onset CRC (EOCRC) is sparse. We conducted a systematic review and meta-analysis to summarize available evidence on the association of body mass index (BMI) with EOCRC. METHODS We systematically searched PubMed, EMBASE, and Web of Science up to February 2021 for studies that evaluated the association of BMI (before diagnosis but not near diagnosis) with CRC risk and reported specific results for EOCRC. Results from studies with similar BMI groupings were summarized in meta-analyses using random-effects models. RESULTS Twelve studies were eligible and included. Results of 6 studies were pooled in meta-analyses, which yielded a higher risk of EOCRC for overweight and obesity (BMI ≥25 kg/m2) compared with normal weight (odds ratio [OR] 1.42, 95% confidence interval [CI] 1.19-1.68). An increasing risk with increasing BMI was observed, with much higher risk for obesity (OR 1.88, 95% CI 1.40-2.54) than for overweight (OR 1.32, 95% CI 1.19-1.47). DISCUSSION Obesity is a strong risk factor for EOCRC, and its increasing prevalence in younger generations is likely to substantially contribute to the increase in EOCRC. Efforts to limit the obesity epidemic in adolescents and younger adults may be crucial for reducing CRC incidence in future generations of adults.

中文翻译:

体重指数与早发结直肠癌风险的关联:系统评价和荟萃分析。

简介 近几十年来,许多国家年轻人结直肠癌 (CRC) 的发病率一直在上升,其原因仍不清楚。可疑的候选者包括超重和肥胖的患病率不断增加,但关于其对早发性结直肠癌 (EOCRC) 的作用的具体证据很少。我们进行了系统回顾和荟萃分析,总结了体重指数 (BMI) 与 EOCRC 关联的现有证据。方法 我们系统地检索了截至 2021 年 2 月的 PubMed、EMBASE 和 Web of Science,以查找评估 BMI(诊断前而非诊断后)与 CRC 风险之间关系的研究,并报告了 EOCRC 的具体结果。使用随机效应模型在荟萃分析中总结了类似 BMI 分组的研究结果。结果 十二项研究符合条件并被纳入。荟萃分析汇总了 6 项研究的结果,结果显示,与正常体重相比,超重和肥胖(BMI ≥25 kg/m2)的 EOCRC 风险更高(比值比 [OR] 1.42,95% 置信区间 [CI] 1.19 -1.68)。观察到随着体重指数的增加,肥胖风险也随之增加,肥胖风险(OR 1.88,95% CI 1.40-2.54)比超重风险(OR 1.32,95% CI 1.19-1.47)高得多。讨论 肥胖是 EOCRC 的一个重要危险因素,其在年轻一代中患病率的增加可能会大大促进 EOCRC 的增加。努力限制青少年和年轻人中的肥胖流行可能对于降低后代成年人的结直肠癌发病率至关重要。与正常体重相比,超重和肥胖(BMI ≥25 kg/m2)的 EOCRC 风险更高(比值比 [OR] 1.42,95% 置信区间 [CI] 1.19-1.68)。观察到随着体重指数的增加,肥胖风险也随之增加,肥胖风险(OR 1.88,95% CI 1.40-2.54)比超重风险(OR 1.32,95% CI 1.19-1.47)高得多。讨论 肥胖是 EOCRC 的一个重要危险因素,其在年轻一代中患病率的增加可能会大大促进 EOCRC 的增加。努力限制青少年和年轻人中的肥胖流行可能对于降低后代成年人的结直肠癌发病率至关重要。与正常体重相比,超重和肥胖(BMI ≥25 kg/m2)的 EOCRC 风险更高(比值比 [OR] 1.42,95% 置信区间 [CI] 1.19-1.68)。观察到随着体重指数的增加,肥胖风险也随之增加,肥胖风险(OR 1.88,95% CI 1.40-2.54)比超重风险(OR 1.32,95% CI 1.19-1.47)高得多。讨论 肥胖是 EOCRC 的一个重要危险因素,其在年轻一代中患病率的增加可能会大大促进 EOCRC 的增加。努力限制青少年和年轻人中的肥胖流行可能对于降低后代成年人的结直肠癌发病率至关重要。95% CI 1.19-1.47)。讨论 肥胖是 EOCRC 的一个重要危险因素,其在年轻一代中患病率的增加可能会大大促进 EOCRC 的增加。努力限制青少年和年轻人中的肥胖流行可能对于降低后代成年人的结直肠癌发病率至关重要。95% CI 1.19-1.47)。讨论 肥胖是 EOCRC 的一个重要危险因素,其在年轻一代中患病率的增加可能会大大促进 EOCRC 的增加。努力限制青少年和年轻人中的肥胖流行可能对于降低后代成年人的结直肠癌发病率至关重要。
更新日期:2021-07-23
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