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脑创伤后血清皮质醇测定的临床价值 被引量:2

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摘要 皮质醇(cortisol)是糖皮质激素(glucocorticoids,GCs)的主要激素,是机体对外界刺激产生反应的重要激素,是维持内环境稳态所必需的因子。内源性皮质醇的合成与分泌主要由下丘脑-垂体-肾上腺(hypothalamic - pituitary - adrenal,HPA)轴所调节。不同程度不同类型脑创伤可观察到不同的内源性皮质醇水平变化。严重应激性脑创伤状态下,HPA轴的调节机制可能受到损害,从而导致肾上腺皮质分泌功能的异常。皮质醇作为重要的"应激"激素,测定其外周血液浓度可帮助评价机体脑创伤后的内分泌变化,指导糖皮质激素的应用及估计预后。
出处 《国外医学(神经病学.神经外科学分册)》 2005年第2期177-180,共4页 Foreign Medical Sciences(Section On Neurology & Neurosurgery)
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