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This page (revision-6) was last changed on 16-Jul-2012 13:18 by 1614216108

This page was created on 11-Apr-2012 15:43 by UnknownAuthor

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At line 9 changed 4 lines
(1)血液病:\\
  红细胞变形能力的降低是血液病红细胞寿命缩短的重要原因。①红细胞内液粘度异常:当红细胞的血红蛋白浓度显著增高时,内液粘度呈指数上升;未成熟红细胞的变形能力显著低于正常红细胞,常见于镰状红细胞贫血、地中海贫血等。②红细胞膜结构和形状异常:红细胞膜结构及形状异常会显著降低红细胞的携氧能力和代谢能力,从而红细胞膜的稳定性下降,红细胞在流动中易受到破坏,造成溶血。可见于球形红细胞增多症、椭圆形红细胞增多症、免疫性溶血性贫血等。 \\
(2)其他疾患:\\
  如心肌梗塞、高脂血症、雷诺综合征、冠心病、糖尿病等疾病均可伴有红细胞变形能力的改变。 \\
(1)血液病:红细胞变形能力的降低是血液病红细胞寿命缩短的重要原因。①红细胞内液粘度异常:当红细胞的血红蛋白浓度显著增高时,内液粘度呈指数上升;未成熟红细胞的变形能力显著低于正常红细胞,常见于镰状红细胞贫血、地中海贫血等。②红细胞膜结构和形状异常:红细胞膜结构及形状异常会显著降低红细胞的携氧能力和代谢能力,从而红细胞膜的稳定性下降,红细胞在流动中易受到破坏,造成溶血。可见于球形红细胞增多症、椭圆形红细胞增多症、免疫性溶血性贫血等。 \\
(2)其他疾患:如心肌梗塞、高脂血症、雷诺综合征、冠心病、糖尿病等疾病均可伴有红细胞变形能力的改变。 \\
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   微孔滤过法(亦称微孔筛法):各试验室有不同正常值,各试验室应建立自己正常值。\\
   粘度测量法:TK值为0.93±0.11,TK为红细胞硬度指标。根据所用粘度计不同,各试验室应建立自己正常值。\\
   激光衍射法(BL-88-B型)微机电脑测定:DI(红细胞变形指数)0.35~0.45、目测测定:0.45~0.55。根据仪器型号厂家不同,各试验室应建立自己正常值。
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无特殊要求\\
   无特殊要求。\\
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肝素抗凝全血标本\\
   肝素抗凝全血标本。\\
Version Date Modified Size Author Changes ... Change note
6 16-Jul-2012 13:18 1.147 kB 1614216108 to previous
5 16-Jul-2012 13:18 0.947 kB 1614216108 to previous | to last
4 03-May-2012 15:40 0.958 kB 1614216108 to previous | to last
3 24-Apr-2012 17:02 0.934 kB 1614216108 to previous | to last
2 12-Apr-2012 16:48 0.937 kB 1614216108 to previous | to last
1 11-Apr-2012 15:43 0.933 kB UnknownAuthor to last
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