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超声检查评估正常胎儿左心室功能参数的正常参考值范围 被引量:1

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摘要 目的探讨中、晚孕期胎儿左心室评估指标的正常参考值范围。方法随机选取进行超声检查的正常胎儿168例,应用脉冲多普勒测量中孕期(20~24^(+6)周)、晚孕期(30~34^(+6)周)胎儿左心室等容收缩时间(ICT)、等容舒张时间(IRT)、射血时间(ET),计算心肌做功(Tei)指数,统计分析各参数指标的正常参考值范围。结果中孕期胎儿左心室ICT平均测定值为(34.28±9.92)ms,高于晚孕期胎儿平均测定值的(31.91±8.93)ms(P<0.05);中孕期胎儿左心室IRT平均测定值为(40.42±7.43)ms,低于晚孕期胎儿平均测定值的(42.35±7.75)ms(P<0.05);中孕期胎儿左心室ET平均测定值为(170.21±14.95)ms,与晚孕期胎儿平均测定值(169.66±14.49)ms比较,差异无统计学意义(P>0.05)。中、晚孕期Tei指数均为0.44±0.09。结论胎儿左心室Tei指数正常参考值范围为0.44±0.09,可为进一步评估异常胎儿心功能提供参考。
出处 《宁夏医学杂志》 CAS 2022年第6期532-533,共2页 Ningxia Medical Journal
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