慢性肾衰竭患者血清KYN和KYNA测定临床应用初探

Practical Preventive Medicine(2010)

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Abstract
目的 探讨慢性肾功能衰竭(CRF)中血清犬尿氨酸(KYN)和犬尿喹啉酸(KYNA)含量以及KYNA/KYN比值的临床意义.方法 测定慢性肾衰(CRF)患者(n=76例)血清KYN、KYNA含量,探讨慢性肾衰患者不同阶段血清KYN和KYNA含量变化及其在鉴别诊断、治疗监测、机制研究等方面的临床意义.结果 与正常对照组相比,CRF组血清KYN和KYNA含量显著升高(P<0.01);CRF组患者各阶段血清KYN和KYNA含量随病情发展升高(P<0.01).CRF组血清KYN和KYNA含量与肾功能状态有一定相关性.结论 通过对CRF患者血清KYN和KYNA含量的测定,结果表明CRF患者血清KYN和KYNA含量随病情发展发生变化,并与血清BUN和CR等肾功能指标相关.
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Key words
High performance liquid chromatography,Chronic renal failure,Kynurenic acid,Kynurenine
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