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This page (revision-10) was last changed on 15-Jan-2013 14:55 by 1614216108

This page was created on 11-Apr-2012 16:53 by UnknownAuthor

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At line 3 changed 2 lines
中文名称:胃泌素\\
英文名称:gastrin,GTN\\
  中文名称:胃泌素\\
  英文名称:gastrin,GTN\\
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增高见于:\\
__增高见于__:\\
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减低见于:\\
  胃泌素瘤由于胰岛G细胞自主分泌,不受胃酸抑制空腹血胃泌素可高达300pg/ml-10ng/ml,对诊断有价值。临床症状:1、难治性消化性溃疡;2、大量胃酸分泌;3、胰岛非胰岛素瘤为主证的症状。\\
__减低见于:__\\
  胃泌素瘤由于胰岛G细胞自主分泌,不受胃酸抑制空腹血胃泌素可高达300pg/ml-10ng/ml,对诊断有价值。临床症状:1)、难治性消化性溃疡;2)、大量胃酸分泌;3)、胰岛非胰岛素瘤为主证的症状。\\
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消化性溃疡胃泌素水平非活动期与正常无差别,活动期异常升高,蛋白质食物刺激胃酸分泌的反应较正常人亢进。\\
  消化性溃疡胃泌素水平非活动期与正常无差别,活动期异常升高,蛋白质食物刺激胃酸分泌的反应较正常人亢进。\\
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检查方法有RIA、EIA。测定血泌素使用识别有活性基的C端部抗体;测定尿胃泌素使用识别无活性的N端部抗体。或用识别G-17的抗体测定G-17和G-14。\\
精神应激可使结果增高,应在安静状态下采血。Hp感染可见血胃泌素增高,清除细菌后回复正常。H2受体阻滞剂、质子泵抑制剂等长期抗溃疡治疗,由于胃酸分泌抑制的负反馈作用,胃泌素分泌增多。\\
  检查方法有RIA、EIA。测定血泌素使用识别有活性基的C端部抗体;测定尿胃泌素使用识别无活性的N端部抗体。或用识别G-17的抗体测定G-17和G-14。\\
  精神应激可使结果增高,应在安静状态下采血。Hp感染可见血胃泌素增高,清除细菌后回复正常。H2受体阻滞剂、质子泵抑制剂等长期抗溃疡治疗,由于胃酸分泌抑制的负反馈作用,胃泌素分泌增多。\\
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空腹十二小时测定基础值。\\
!标本采集与运送\\
在早晨空腹12小时,精神状态安定的条件下取血测定为基础值;在餐后40分、钙离子负荷或胰泌素负荷后取血测定为兴奋值。静脉血3毫升不抗凝或肝素抗凝,尽快分离血清或血浆,溶血标本使测定值减低。4℃稳定4小时,-20℃稳定30天。\\
  空腹十二小时测定基础值。\\
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%%tab-标本采集和运送要求
  在早晨空腹12小时,精神状态安定的条件下取血测定为基础值;在餐后40分、钙离子负荷或胰泌素负荷后取血测定为兴奋值。静脉血3毫升不抗凝或肝素抗凝,尽快分离血清或血浆,溶血标本使测定值减低。4℃稳定4小时,-20℃稳定30天。\\
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Version Date Modified Size Author Changes ... Change note
10 15-Jan-2013 14:55 1.969 kB 1614216108 to previous
9 26-Dec-2012 11:06 1.715 kB 1614216108 to previous | to last 胃肠胰激素 ==> 血.胃肠胰激素
8 05-Dec-2012 17:10 1.713 kB 1614216108 to previous | to last 胃泌素 ==> 胃泌素测定
7 05-Dec-2012 17:10 1.713 kB 1614216108 to previous | to last
6 17-Jul-2012 15:08 1.735 kB 1614216108 to previous | to last
5 04-May-2012 09:32 1.747 kB 1614216108 to previous | to last
4 25-Apr-2012 13:50 1.746 kB 1614216108 to previous | to last
3 23-Apr-2012 16:10 1.724 kB 1614216108 to previous | to last
2 13-Apr-2012 16:41 1.69 kB 1614216108 to previous | to last
1 11-Apr-2012 16:53 1.691 kB UnknownAuthor to last
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