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J RENAL NUTR:膳食纤维在慢性肾病患者尿毒素调节中的作用

2021-11-01 MedSci原创 MedSci原创

补充膳食纤维可以显著降低CKD患者的尿毒症毒素水平,快去补充膳食纤维吧!

尿毒症患者每日累计的毒素让患者痛不欲生,只有透析才能清除尿毒症毒素,可是透析并不能天天做,那么在透析间期寻找一个行之有效的降毒素的方法变得越来越重要。之前有研究表明,膳食纤维可降低慢性肾病(CKD)患者的对甲酚硫酸盐(PCS)、血尿素氮和肌酐水平。然而,这些结果是基于一些低质量的随机对照试验。

此外,有人认为,纤维补充的剂量和持续时间以及患者的特征可能会影响膳食纤维在减少尿毒症毒素方面的效果,但似乎没有研究提供了可靠的证据。为此研究者搜索了PubMedScience、和Cochrane图书馆。采用随机效应模型的一般逆方差法汇集数据,得到的结果绘表如下:

膳食纤维对硫酸吲哚氧基的影响:10项研究中,有5项研究测量了IS。结果表明,补充纤维后IS水平显著降低

膳食纤维对硫酸对甲酚的影响:六项研究测量了PCS,膳食纤维对PCS的综合效应显示出显著差异

膳食纤维对血尿素氮的影响:测量尿素氮的研究数量为7项,综合效应有利于补充纤维

膳食纤维对肌酐的影响:七项研究报告了肌酐的数据。纤维补充在降低血清肌酐方面没有显著效果

总的试验确定了10项涉及292CKD患者的随机对照试验。研究结果显示膳食纤维补充可显著降低硫酸吲哚氧基、对甲酚硫酸盐、血尿素氮和尿酸的水平,但对降低肌酐无影响。接受透析的患者比未接受透析的患者硫酸吲哚氧基的降低更为明显;无糖尿病患者的肌酐降低比糖尿病患者更明显。

因此,补充膳食纤维可以显著降低CKD患者的尿毒症毒素水平,快去补充膳食纤维吧!

参考文献:Hui-Li Yang, Ping Feng, Yi Xu, Yun-Ying Hou, Omorogieva Ojo, Xiao-Hua Wang,The Role of Dietary Fiber Supplementation in Regulating Uremic Toxins in Patients With Chronic Kidney Disease: A Meta-Analysis of Randomized Controlled Trials,Journal of Renal Nutrition,Volume 31, Issue 5,2021,Pages 438-447,ISSN 1051-2276,https://doi.org/10.1053/j.jrn.2020.11.008.

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    2022-03-29 jml2020
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    2021-11-03 zhaojie88

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