避免使用酶对比法治疗乙氨基中毒的N-乙半氨酸治疗的患者测量虚假低的肌氨酸度 - - 一项体外和体内研究
Charles R Lefèvre1, Felipe Le Divenah2, Nicolas Collet2
1Clinical Biochemistry and Toxicology Laboratory, Rennes University Hospital Centre, Rennes, France; Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, F-35000 Rennes, France.
Clinica chimica acta; international journal of clinical chemistry
|October 21, 2023
概括
N-乙半氨酸 (NAC) 的干扰会影响乙氨基 (APAP) 中毒时的肌素测试. 酵素mo-amperometric肌氨酸测定不受NAC的影响,为接受NAC治疗的患者提供准确的结果.
科学领域:
- 临床化学 临床化学
- 生物标志物的分析分析.
- 毒理学 毒理学 毒理学
背景情况:
- 在临床实践中,循环肌素是一个关键的生物标志物.
- 乙氨基 (NAC) 是乙氨基 (APAP) 过量服用的解药,它会干扰标准的肌酶-过氧化酶肌素测定.
- 这种干扰可能导致不准确的肌素测量.
研究的目的:
- 为了评估NAC对肌酸酶-度学肌酸胺测试的影响.
- 为了确定是否可靠的替代方法,在APAP中毒患者治疗NAC.
主要方法:
- 在体外干扰试验中,使用NAC增高的血池进行了四次肌氨酸测试.
- 一个体内回顾性研究,比较了用NAC治疗的APAP中毒患者的肌酸酶-氧化酶和肌酸酶-度测量方法.
主要成果:
- 肌酸酶-过氧化酶方法显示临床显著的NAC干扰,结果在治疗性NAC水平上显著偏离基线.
- 酶-度计方法表明,NAC干扰没有影响.
- 在患者中,过氧化酶方法在血采样前接受NAC的患者中,与强度计方法相比,显示平均偏差为-45.2%.
结论:
- 酶-度学肌胺测定不会受到NAC干扰的影响,因为缺少过氧化酶步骤.
- 这些方法适用于在接受NAC治疗的APAP中毒患者中准确测量肌素.
- 这确保了对这些患者的可靠监测和管理.
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