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第二产程胎心基线短变异参数预测胎儿窘迫的临床界值 被引量：3

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摘要 目的探讨胎心宫缩监护(cardiotocography,CTG)计算机分析系统中第二产程胎心基线短变异(short-term variation,STV)参数预测胎儿窘迫的临床界值及其意义。方法对1 120例阴道顺产产妇进行产时胎心率监护,计算机分析第二产程CTG图形的STV值,其中450例取脐带血测定其脐动脉血气pH值,结合新生儿出生后1 min Apgar评分情况进行分析。结果脐动脉血气pH值与其对应的STV值呈正相关(r=0.386,P<0.01);pH<7.20组的STV值为(2.47±1.12)ms,明显低于pH 7.20～7.25组[(3.82±1.19)ms]和pH>7.25组的STV值[(4.56±1.31)ms],差异均有统计学意义(P<0.01);1 120例产妇中,STV>4.0 ms时,新生儿窒息率为0;STV<2.5 ms时,新生儿窒息率增至51.28%。结论第二产程CTG中的STV<2.5 ms对预测胎儿窘迫有较高的临床价值,可作为一个较好的临床界值用于预测胎儿窘迫。
作者 戴红 谭娴玲
机构地区 广东省珠海市妇幼保健院妇产科
出处 《广东医学》 CAS CSCD 北大核心 2011年第16期2178-2180,共3页 Guangdong Medical Journal
关键词 胎心宫缩监护 短变异 胎儿窘迫
分类号 R714.43 [医药卫生—妇产科学]
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参考文献10

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二级参考文献30

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广东医学
2011年 第16期

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