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Clin Gastroenterol Hepatol:胰腺癌发生前三年血糖和体重的变化

2021-08-09 Nebula MedSci原创

胰腺导管腺癌患者确诊前会有血糖升高和体重减轻的现象

随着发病率的增加,胰腺导管腺癌(PDAC)已成为恶性肿瘤相关死亡的第三大原因。虽然PDAC的5年存活率略有提高,但仍不高于15%,主要的原因是大部分病例发现时已晚期。

在PDAC发生前,患者会有空腹血糖升高。本研究目的是总结在不同人群中PDAC确诊前发生的血糖和体重变化。

Brewer等研究人员开展了一项病例对照研究,将2011年1月至2019年11月在一家三级护理机构的PDAC患者与匹配对照个体进行了比较。采用T检验比较正态分布变量,采用Wilcoxon秩和检验比较非正态分布变量;基于HbA1c和体重指数(BMI)随时间的变化,采用逻辑回归估计PDAC的概率。

PDAC患者和对照的HbA1c变化

共有4626位患者符合纳入标准:1542例PDAC病例和3084位对照;中位年龄为69.3岁,其中2487位(53.8%)为男性;751位(48.7%)患者是非西班牙裔白人。在确诊前3年,PDAC患者的HbA1c水平高于对照(p≤0.02);此外,在葡萄糖值上观察到了类似的趋势

PDAC患者和对照的BMI改变

除了癌症诊断前0-6个月BMI值较低外,所有研究期间PDAC病例的BMI均较对照高(p<0.01)。与对照相比,病例组确诊前1年和6个月时的BMI改变(△BMI)均高于对照组(分别是-0.59 vs -0.08 和 -1.21 vs 003;p<0.01)。

多变量逻辑回归分析显示,HbA1c斜率(aOR 1.22, 95%CI 1.01-1.76)和BMI斜率(aOR 0.75,95%CI 0.65-0.87)都是PDAC的预测因素

综上所述,PDAC患者确诊前会有血糖升高和体重减轻的现象。这些代谢变化可能提示潜在的PDAC,同时出现这两种变化的人群或可注意筛查PDAC。

原始出处:

Brewer Marlon J,Doucette John T,Bar-Mashiah Ariel et al. Glycemic changes and weight loss precede pancreatic ductal adenocarcinoma by up to three years in a diverse population.[J] .Clin Gastroenterol Hepatol, 2021, https://doi.org/10.1016/j.cgh.2021.07.046

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    2022-07-12 许安
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    2021-08-11 gwc384

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