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This page (revision-11) was last changed on 14-Oct-2013 17:09 by 1614216108

This page was created on 17-Apr-2012 14:04 by UnknownAuthor

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At line 2 changed 2 lines
%%tab-出血时间测定
  中文名称:出血时间测定\\
%%tab-出血时间测定(BT)
  中文名称:出血时间测定(BT)\\
At line 16 changed one line
  主要见于较严重的血栓前状态和血栓性疾病,血小板和凝血因子活性增强,导致血液呈高凝状态,止血作用增强,如妊娠高血压综合征、心肌梗死、脑血管病变及DIC高凝期等。由于阿司匹林、口服抗凝剂、抗炎药等可引起BT延长,故试验前应遵医嘱。\\
主要见于较严重的血栓前状态和血栓性疾病,血小板和凝血因子活性增强,导致血液呈高凝状态,止血作用增强,如妊娠高血压综合征、心肌梗死、脑血管病变及DIC高凝期等。由于阿司匹林、口服抗凝剂、抗炎药等可引起BT延长,故试验前应遵医嘱。\\
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||分析参数||医学决定水平1||医学决定水平2||医学决定水平3
|出血时间|BT>6min\\即医学决定水平1时,可能因血小板数目减少或功能异常或血管性血友病引起,应进一步检查血小板计数、血小板黏附与聚集功能,以确定诊断,进行治疗。|BT~8min\\即医学决定水平2时,应做有关检查以明确诊断,如欲做大手术时,在术前必须做纠正治疗,术后同样应及时纠正治疗。|BT>15min\\即医学决定水平3时,若血小板计数少于10X10E9/L时,可有73%患者伴有严重的不易控制的出血,如经检查患者伴有血小板功能不全,应给予输入血小板治疗。
||数值||临床意义
|>6min|可能因血小板数目减少或功能异常或血管性血友病引起,应进一步检查血小板计数、血小板黏附与聚集功能,以确定诊断,进行治疗。
|>8min|应做有关检查以明确诊断,如欲做大手术时,在术前必须做纠正治疗,术后同样应及时纠正治疗。
|>15min|若血小板计数少于10X10E9/L时,可有73%患者伴有严重的不易控制的出血,如经检查患者伴有血小板功能不全,应给予输入血小板治疗。
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(1)Duke法:即针刺耳垂或手指,此法敏感性和准确性较差,应逐步被淘汰;\\
(2)IVY法:较Duke法敏感,但试验条件未能标准化,重复性不好;\\
(3)TBT法:改良IVY法,是目前较理想的方法。\\
1.Duke法:即针刺耳垂或手指,此法敏感性和准确性较差,应逐步被淘汰;\\
2.IVY法:较Duke法敏感,但试验条件未能标准化,重复性不好;\\
3.TBT法:改良IVY法,是目前较理想的方法。\\
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标本运送:采集后立即送检。
Version Date Modified Size Author Changes ... Change note
11 14-Oct-2013 17:09 1.316 kB 1614216108 to previous
10 14-Oct-2013 17:08 1.306 kB 1614216108 to previous | to last 出血时间测定 ==> 出血时间测定(BT)
9 21-Dec-2012 14:23 1.306 kB 1614216108 to previous | to last
8 19-Dec-2012 11:27 1.289 kB 1614216108 to previous | to last
7 14-Dec-2012 13:51 1.359 kB 1614216108 to previous | to last
6 12-Jul-2012 13:07 1.035 kB 1614216108 to previous | to last
5 12-Jul-2012 13:07 1.023 kB 1614216108 to previous | to last
4 03-May-2012 13:26 1.046 kB 1614216108 to previous | to last
3 25-Apr-2012 15:17 1.033 kB 1614216108 to previous | to last
2 19-Apr-2012 14:15 1.008 kB 1614216108 to previous | to last
1 17-Apr-2012 14:04 0.993 kB UnknownAuthor to last
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