论文部分内容阅读
本篇综合报道了Powner等的工作。他们所遇到的符合脑死亡标准的病人以及未达到脑死亡但有类似损伤的另一组病人,其游离甲状腺素水平正常或略低,大多数病人游离T_3水平是低的,表明T_4向T_3外周性转化减少。循环T_3水平低通常表明细胞内T_3水平低。在13例病人中测量促甲状腺激素(TSH)水平,发现6例增高,3例正常,4例降低。其他研究者报道了在脑死亡动物和病人中甲状腺素和TSH有同样的变化。Gifford等报道了22例供器官者,T_3水平100%低,T_4水平55％低。血液流变学改变和移植器官功能与甲状腺激素水平不相关。Keogh等研究了31例供器官者,81%T_3减小,29%
This comprehensive coverage of Powner and other work. The patients who met the standard of brain death and those who did not reach the brain death but suffered similar injuries had normal or slightly lower level of free thyroxine and most of the patients had low level of free T_3, Reduced conversion. Low circulating T_3 levels generally indicate low intracellular T_3 levels. Thyrotropin (TSH) levels were measured in 13 patients and found that 6 were elevated, 3 were normal, and 4 were decreased. Other investigators have reported the same changes in thyroxine and TSH in brain-dead animals and in patients. Gifford et al reported 22 cases of organ donors, T_3 level of 100% low, T_4 level of 55% low. Hemorheological changes and organ function were not associated with thyroid hormone levels. Keogh et al studied 31 patients with organs, 81% T_3 decreased, 29%