Clin Endocrinol:游离甲氧基去甲肾上腺素和甲氧基肾上腺素更适合诊断嗜铬细胞瘤

2013-09-12 desperado-c dxy

嗜铬细胞瘤的诊断常常通过测量血浆游离甲氧基去甲肾上腺素和甲氧基肾上腺素进行。血浆去结合型甲氧基去甲肾上腺素和甲氧基肾上腺素已被提出作为可供选择的、等价的、更容易测量的标志物。为了比较患者血浆游离甲氧基去甲肾上腺素和甲氧基肾上腺素与去结合型甲氧基去甲肾上腺素和甲氧基肾上腺素检测嗜铬细胞瘤的诊断性能。来自德国卡尔古斯塔夫卡鲁斯大学医院Christina Pamporaki教授及其团队进行了一项研究,该

嗜铬细胞瘤的诊断常常通过测量血浆游离甲氧基去甲肾上腺素和甲氧基肾上腺素进行。血浆去结合型甲氧基去甲肾上腺素和甲氧基肾上腺素已被提出作为可供选择的、等价的、更容易测量的标志物。为了比较患者血浆游离甲氧基去甲肾上腺素和甲氧基肾上腺素与去结合型甲氧基去甲肾上腺素和甲氧基肾上腺素检测嗜铬细胞瘤的诊断性能。来自德国卡尔古斯塔夫卡鲁斯大学医院Christina Pamporaki教授及其团队进行了一项研究,该研究发现嗜铬细胞瘤诊断中,血浆游离甲氧基去甲肾上腺素和甲氧基肾上腺素的测量优于去结合型甲氧基去甲肾上腺素和甲氧基肾上腺素测量。该研究结果发表在2013年10月的Clinical Endocrinology杂志上。【原文下载

该研究中,研究人群包括262例血压正常的对照组、198例患有嗜铬细胞瘤的高血压受试者和528例最初怀疑有肾上腺肿瘤,但在至少2年随访后得出阴性结果。使用液相色谱电化学检测进行测量。

该研究结果表明,嗜铬细胞瘤患者血浆游离甲氧基去甲肾上腺素浓度比对照人群高17倍,差异比血浆去结合型甲氧基去甲肾上腺素高72%(血浆去结合型甲氧基去甲肾上腺素水平升高10倍)。相比之下,血浆游离甲氧基去甲肾上腺素和去结合型甲氧基去甲肾上腺素相对增加量相似。在对照人群中使用建立的上切点,依据测量的敏感性和特异性,血浆游离甲氧基去甲肾上腺素和甲氧基肾上腺素诊断性能优于去结合型甲氧基去甲肾上腺素和甲氧基肾上腺素。游离甲氧基去甲肾上腺素和甲氧基肾上腺素的受试者工作特征曲线下面积大于去结合型甲氧基去甲肾上腺素和甲氧基肾上腺素。

该研究发现,嗜铬细胞瘤诊断中,血浆游离甲氧基去甲肾上腺素和甲氧基肾上腺素的测量优于去结合型甲氧基去甲肾上腺素和甲氧基肾上腺素测量。

原文下载

Christina Pamporaki, Roland Därr, Michael Bursztyn, Stephan Glöckner, Stefan R. Bornstein, Jacques W. M. Lenders, Karel Pacak, Axel Krinner, Graeme Eisenhofer.Plasma-free vs deconjugated metanephrines for diagnosis of phaeochromocytoma.Clin Endocrinol .2013 Oct;79(4):476–483

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    2017-06-01 QFXL123456

    学习了,谢谢!

    0

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