Safety of co-administration of herbal and conventional medicines on liver and kidney function in stroke patients: A single-center retrospective study

초록

Background: Although herbal medicines (HMs) are widely used worldwide, information concerning their interactions with conventional medicines (CMs) is sparse. In particular, stroke affects a high proportion of elderly people with impaired hepatic and renal function. Stroke is often accompanied by various complications and is commonly treated via the co-administration of HMs and CMs in Asia. Purpose: We aimed to investigate the effects of co-administration of HMs and CMs on liver and kidney function in patients with stroke. We estimated the prevalence of drug-induced liver injury (DILI) or herb-induced liver injury (HILI) and drug-induced acute kidney injury (DIAKI) or herb-induced acute kidney injury (HIAKI) in patients co-administered HMs and CMs. Study design: This was a retrospective study that reviewed the electronic medical records of 401 patients with stroke in a single hospital. Methods: The prevalence of DILI or HILI and types of liver injury was examined according to abnormal increases in liver tests. The probable causality between drug or herb administration and liver injury was assessed using the Roussel Uclaf Causality Assessment Method. In addition, the prevalence of DIAKI or HIAKI was estimated using the Kidney Disease Improving Global Outcomes acute kidney injury stage criteria and related medical records. Results: Out of a total of 401 patients, only four (1.0%) developed liver injury. Two cases of DILI (0.5%) and two cases of HILI (0.5%) were reported. Moxifloxacin and ebastine were the CMs that caused hepatotoxicity. Chungpyesagan-tang and Yeoldahanso-tang were the HMs that caused liver toxicity. Even in cases showing severe liver damage, alkaline phosphatase levels remained less than five times the normal value, and liver function test values recovered within 14 days. There were no cases of DIAKI or HIAKI in this cohort. Conclusion: These results suggest that if appropriately prescribed by experts, the co-administration of CMs and HMs is safe and does not adversely affect liver and kidney function in patients with stroke. To support these results, further large-scale multicenter prospective studies and toxicological studies based on the interaction between HMs and CMs are warranted. © 2020

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