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This page (revision-9) was last changed on 07-Feb-2013 10:53 by 1614216108

This page was created on 17-Apr-2012 15:00 by UnknownAuthor

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At line 2 changed 3 lines
%%tab-反三碘甲状腺原氨酸
中文名称:反三碘甲状腺原氨酸\\
英文名称:3,3',5'-Triiodothyronine,rT3\\
%%tab-反三碘甲状腺原氨酸测定
  中文名称:反三碘甲状腺原氨酸\\
  英文名称:[reverse triiodothyronine,rT3]\\
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__有何用途 :__\\
  鉴别T3降低的“病态甲状腺”患者(通常是增高)与真正的甲状腺功能减退症。
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  增高:\\
  1.甲状腺功能亢进症 诊断的敏感性100%,但特异性较低。有效治疗一般T4首先恢复,当T3正常时T4常已偏低;如T4、r T3均减低提示药物过量,T3、r T3均正常说明药量适当,故可用于治疗监测。\\
  2.破坏性甲状腺炎急性期r T3与T3、T4一同逸脱入血。\\
  3.低T3综合征和甲状腺正常疾病综合征。\\
  4.药物影响 如丙基硫氧嘧啶、普萘洛尔等药物对5’-脱碘酶有强抑制作用,T4转变为T3减少,r T3代谢减少,T4增高,r T3也升高。\\
  5.TBG水平升高的各种情况\\
  6.TSH或TRH试验\\
  减低\\
  1.甲状腺功能减退症\\
  2.T3型甲亢\\
  3.TBG水平减低的各种情况\\
1.增高\\
1)甲状腺功能亢进症 诊断的敏感性100%,但特异性较低。有效治疗一般T4首先恢复,当T3正常时T4常已偏低;如T4、r T3均减低提示药物过量,T3、r T3均正常说明药量适当,故可用于治疗监测。\\
2)破坏性甲状腺炎急性期r T3与T3、T4一同逸脱入血。\\
3)低T3综合征和甲状腺正常疾病综合征。\\
4)药物影响:如丙基硫氧嘧啶、普萘洛尔等药物对5’-脱碘酶有强抑制作用,T4转变为T3减少,rT3代谢减少,T4增高,rT3也升高。\\
5)TBG水平升高的各种情况\\
6)TSH或TRH试验\\
2.减低:甲状腺功能减退症、T3型甲亢、TBG水平减低的各种情况。
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  0.20-0.82nmol/L(13-53ng/dl)或0.15-0.62nmol/L(10-40ng/dl),或27.4±8.9ng/dl\\
  0.20-0.82nmol/L(13-53ng/dl)\\
  0.15-0.62nmol/L(10-40ng/dl)\\
  27.4±8.9ng/dl
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检测方法主要有RIA、CLIA。\\
  检测方法主要有RIA、CLIA。丙硫氧嘧啶(PTU)、普萘洛尔、地塞米松,含碘制剂如胺碘酮、造影剂等药物可引起rT3水平升高。\\
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  常规静脉采血3ml,不抗凝,置普通试管中。或采用含分离胶的黄色盖子SST真空采血管。\\
样本采集:常规静脉采血3ml,不抗凝,置普通试管中;或采用含分离胶的黄色盖子SST真空采血管。\\
标本运送:采血管应立即混合均匀,即刻送检,装有血样的试管宜一直密封、管口朝上垂直放置,送检过程中注意不要剧烈震动,避免过大的温度变化。
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[血.甲状腺轴功能和激素]
Version Date Modified Size Author Changes ... Change note
9 07-Feb-2013 10:53 1.178 kB 1614216108 to previous
8 26-Dec-2012 11:03 1.124 kB 1614216108 to previous | to last 甲状腺功能 ==> 血.甲状腺轴功能和激素
7 24-Dec-2012 15:45 1.118 kB 1614216108 to previous | to last
6 05-Dec-2012 15:56 1.029 kB 1614216108 to previous | to last 反三碘甲状腺原氨酸 ==> 反三碘甲状腺原氨酸测定
5 05-Dec-2012 15:56 1.029 kB 1614216108 to previous | to last
4 03-May-2012 17:29 1.041 kB 1614216108 to previous | to last
3 19-Apr-2012 10:50 1.039 kB 1614216108 to previous | to last
2 19-Apr-2012 10:11 1.018 kB 1614216108 to previous | to last
1 17-Apr-2012 15:00 1.009 kB UnknownAuthor to last
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