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Biosci Rep:血液透析期间的急性血流动力学变化不会加剧肠通透性

2020-02-27 不详 网络

胃肠道是透析患者炎症的潜在来源。体外研究表明尿毒症中肠屏障的破坏导致肠道通透性增加,并且据推测由于在治疗期间血容量变化引起的肠系膜缺血,血液透析加剧了该问题。在十名血液透析患者中研究了血液透析对肠道通透性的影响,并与五名对照进行了比较。通过测量四种口服糖探针的差异吸收来评估肠道通透性,这提供了小肠和整个肠通透性的指标。过夜禁食后口服多糖溶液(含乳果糖,鼠李糖,三氯蔗糖和赤藓糖醇)。给药后10小时,

肠道是透析患者炎症的潜在来源。体外研究表明尿毒症中肠屏障的破坏导致肠道通透性增加,并且据推测由于在治疗期间血容量变化引起的肠系膜缺血,血液透析加剧了该问题。

在十名血液透析患者中研究了血液透析对肠道通透性的影响,并与五名对照进行了比较。通过测量四种口服糖探针的差异吸收来评估肠道通透性,这提供了小肠和整个肠通透性的指标。过夜禁食后口服多糖溶液(含乳果糖,鼠李糖,三氯蔗糖和赤藓糖醇)。给药后10小时,每小时测量一次所有糖探针的血浆水平。在血液透析患者中,该过程进行了两次,一次是在非透析日,另一次是在血液透析后。

结果显示,透析后和非透析日的乳果糖:鼠李糖(L:R)比率和三氯蔗糖:赤藓糖醇(S:E)比率的曲线下面积(AUC)相似。血液透析患者的L:R的AUC高于对照组(0.071比0.034,P = 0.001),S:E的AUC比例无明显差异。与对照组相比,血液透析患者的乳果糖,三氯蔗糖和赤藓糖醇水平升高,并且保留时间更长,这是由于糖对清除肾功能的依赖性所致。

总之,我们发现与血液透析过程相关的肠道通透性无明显急性变化。由于肾脏功能对糖水平的明显影响,无法对对照组和血液透析患者之间的肠道通透性进行有效比较。

原始出处:

Jonathan Wong, Kaatje Lenaerts, et al., Acute haemodynamic changes during haemodialysis do not exacerbate gut hyperpermeability. Biosci Rep. 2019 Apr 30; 39(4): BSR20181704. doi: 10.1042/BSR20181704

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    2020-03-11 zhmscau
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    2020-10-12 sunylz
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    2020-02-29 habb
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