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1、经会阴超声测量宫颈长度对预测延期妊娠引产的价值中国超声诊断杂志2006年第7卷第3期
方案提供了诊断依据.
参考文献
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(2005—09—07修回,181天刊出)
经会阴超声测量宫颈长度对预测延期妊娠引产的价值
陈小知谢爱兰
摘要目的探讨
2、经会阴超声测量宫颈长度对预测延期妊娠引产的价值.方法对12o例需引产的延期
妊娠初产妇,于引产前2h内经会阴超声测量宫颈长度,同时由产科医生专人进行Bishop评分.随访引产结果.
结果78例引产成功,宫颈平均长度为(23士9)mm;42例引产失败,宫颈平均长度为(32士5)mm,引产成功
组宫颈长度明显短于引产失败组,两组比较有显着性差异.以宫颈长度≤30mm为界限值,预测引产成功的灵敏
度为0.89,特异度0.85,阳性预测值0.92,阴性预测值0.81.结论对于初产妇而言,经会阴超声测量宫颈长
度可以评价宫颈成熟度,可以预测延期妊娠的
3、引产效果,优于Bishop评分.
关键词经会阴超声宫颈长度延期妊娠引产
PredictionofLaborInductionforProlongedPregnancyvia
TransperinealSonographicMeasurementofCervicalLength
ChenXiaozhi,XieAilan
UltrasoundDepartment,2ndHospitalAffiliatedofWenzhouMedicalCollege,Zhejiang325027China
Abstract:ObjectiveToevaluat
4、ethevalueoftransperinealsonographicmeasurementofcervicallengthon
predictinglaborinductionofprolongedpregnancy.Methods120prolongedpregnancywomenwithsingleton
gestationandscheduledforinductionoflaborwereselected.Theyallwerenulliparous.Transperinealsonographic
cervicalmeasure
5、mentwasperformedandBishopscorewasdeterminedtwohoursbeforeinductionoflabor.The
resultoflaborinductionwascollected.ResultsAmong120cases,78casessucceededininductionoflabor,the
meancervicallengthwas23±9ram;42caseswerefailed,themeancervicallengthwas32±5mm.ThereWas
significantdi
6、fferenceincervicallengthbetweenthetwogroups.Asthecervicallengthwas≤30mm,thesensitivity
ofsuccessfulinductionoflaborwas0.89,thespecificity,positivepredictivevalueandnegativepredictivevaluewas
0?85,0?92and0-81?ConclusionsThecervicallengthdeterminedthroughtransperinealsonogra
7、phicmeasurement
canreflectthematurityofthecervix.Itistheindependentpredictoroftheinductionoflaborfornulliparous
prolongedpregnancy,betterthantheBishopscore.
Keywords:Transperinealsonography,Cervicallength,Prolongedpregnancy,Inductionoflabor.
引产是目前常用的一种辅助分娩方式,尤其对于
延期妊娠孕妇.宫颈
8、成熟度是引产成功的关键.临床
上常以Bishop评分评价宫颈成熟度法来预测引产效
果,但Bishop评分主观性强,误差较大.多数研究认
为宫颈长度可以反映宫颈的成熟状况,与引产成