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儿童重型颅脑损伤后垂体相关激素变化及亚低温治疗对其的影响
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摘要
目的:研究儿童重型颅脑损伤后垂体相关激素分泌变化,探讨亚低温治疗对垂体功能近、远期的影响。方法:103例儿童重型颅脑损伤患者伤后24小时内行内分泌功能检查,出现垂体相关激素分泌紊乱的83例患者随机分为常规治疗组(对照组)41例及亚低温治疗组42例。监测入院后第1、3、5、7、14天的生长激素、(GH)、泌乳素(PRL)、促肾上腺激素(ACTH)、游离三碘甲状腺原氨酸(FT3)、游离甲状腺素(FT4)、促甲状腺激素(TSH)水平并分析动态变化趋势。伤后6个月随访垂体功能。结果:83例(80.58%)患者出现垂体相关激素分泌紊乱,单项激素紊乱31例(30.10%),两项以上紊乱52例(50.48%),出现分泌紊乱的前三位激素分别为PRL、ACTH、GH。亚低温治疗组患者的ACTH、PRL、FT3波动振幅明显低于对照组,GH、PRL、ACTH、FT3恢复至正常水平所需时间较对照组显著缩短。6个月后,亚低温治疗组患者垂体功能低下发生率16.67%,明显低于对照组的46.88%(P<0.01)。出现水平低下的前三位激素依次为GH、TSH、FT4。结论:儿童重型颅脑损伤后有较高的垂体功能异常发生率,亚低温治疗可有效改善早期垂体相关激素分泌紊乱程度,降低后期垂体功能低下发生率。
Objective: to observe the change of relative pituitary hormone in children after severe traumatic brain injury and to explore the short- and long-time effects of mild hypothermia on pituitary function.Methods: 103 children with severe traumatic brain injury were selected and endocrine function check was carried out with 24 h after injury. 83 patients with pituitary hormone disorder were divided randomly into 41 in normal treatment group(control group) and 42 in mild hypothermia group(treatment group). At days 1, 3, 5, 7, 14 after admission, the levels and change pattern of the following were examined: growth hormone(GH), prolactin(PRL), adrenocorticotropic hormone(ACTH), free triiodothyronine(FT3), free thyroxine(FT4), thyroid stimulating hormone(TSH). At month 6 after injury patients were visited to examine pituitary function. Results: Pituitary hormone disorder was found in 83 cases(80.58%).31 cases(30.10%) had disorder in single hormone, 52 cases(50.48%) in two or more hormones. The top three hormones with disorder were PRL, ACTH, and GH. The fluctuation of ACTH, PRL, FT3 in treatment group was obviously lower than control group. GH, PRL, ACTH, FT3 of treatment group returned to normal level within shorter time than control group. At month 6, patients in treatment group had a rate of 16.67% in pituitary function decrease, which was obviously lower than control group(P<0.01). The three hormones with lowest occurrence were GH, TSH, FT4. Conclusion: Children with severe traumatic brain injury have a high occurrence rate of pituitary dysfunction. Mild hypothermia treatment can reduce early-stage secretion disorder of pituitary hormones, and decrease the occurrence rate of later pituitary dysfunction.
引文
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