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24小时尿儿茶酚胺及其代谢产物的测定常用来检测交感神经兴奋性以及肾上腺髓质疾病(嗜铬细胞瘤)。其结果可受尿量多寡(因测定时仅取其中一部分尿液,故尿量太多使结果误差较大)及收集是否完全的影响,留置和递送24小时尿液也较麻烦。本文分别对21例正常人、9例初发病的甲亢病人以及5例嗜铬细胞瘸(经手术证实)病人同时测定24小时及一次性尿儿茶酚胺(以肾上腺素E计算),并计算一次性尿儿茶酚胺与尿肌酐的比值(E/Cr)和24小时尿VMA等进行比较分析。
24-hour urinary catecholamines and their metabolites are commonly used to detect sympathetic excitability and adrenal medulla (pheochromocytoma). The results can be more urine output (due to the determination of only a part of the urine, so too much urine output error) and the collection is completely affected, the retention and delivery of 24-hour urine is more trouble. In this paper, we measured 24-hour and one-time urinary catecholamines (calculated by adrenaline E) simultaneously in 21 normal subjects, 9 patients with initial hyperthyroidism and 5 patients with lame cholelithiasis (confirmed by surgery) Catecholamine and urinary creatinine ratio (E / Cr) and 24-hour urinary VMA and other comparative analysis.