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窒息新生儿血小板活化因子的变化及临床意义

Acta Academiae Medicinae Jiangxi(2005)

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Abstract
目的研究新生儿窒息时血小板活化因子(CD62P、CD63)的变化,并探讨其临床意义。方法30例窒息新生儿分为轻度窒息和重度窒息两组。采用流式细胞仪测定其血浆CD62P、CD63的含量,并以20例正常新生儿作为对照。结果两组患儿CD62P、CD63分别为(4.26±0.66、7.17±2.35)和(5.92±0.71、12.87±2.15),较对照组的(1.73±0.61、2.11±0.82)显著升高(P<0.01),血浆CD62P、CD63随病情加重而升高。血浆CD62P、CD63水平与血小板数量呈负相关(n=30、r=-0.42,P<0.05)。结果还表明轻度窒息患儿血小板数量尚未明显下降时CD62P、CD63就已较对照组升高(P<0.05),重度窒息患儿在恢复期血小板数量明显上升,与对照组比较,差异有显著性(P<0.01)。结论窒息新生儿体内存在血小板活化,提示CD62P、CD63的水平与窒息严重程度呈正相关。
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Key words
platelet,flow cytometry,neonatal asphyxic,platelet activation factor
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