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《彩色多普勒超声观察不同孕周正常胎儿动脉血流的价值.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、检验医学与临床2014年8月第¨卷第15期LabMedC
2、in,August2014,Vo1.u,No.15·论著·彩色多普勒超声观察不同孕周正常胎儿动脉血流的价值郑东平,雷琳,杨波△(湖北医药学院附属人民医院超声科,湖北十堰628000)【摘要】目的探讨不同孕周胎儿肾动脉(RA)、脐动脉(uA)、大脑中动脉(MCA)血流参数的变化情况,确定正常胎儿RA、UA、MCA血流参考值,并分析RA、UA、MCA血流参数与孕龄的关系。方法选取2013年1~12月在该院行产前检查的185例孕周为4~41周的正常单胎孕妇为研究对象,采用彩色多普勒超声测量胎儿RA、UA、MCA的阻力指数(R1)、搏动指数
3、(PI)、收缩期峰值流速(PS)及收缩期峰值流速与舒张末期流速比值(S/D)。结果随着孕周的增加,胎儿RA、UA、MCA中PS值显著增加,而RA、UA中RI、PI、S/D值显著减少。经相关性分析可知,RA、UA、MCA中R1、PI、S/D与孕周呈负相关性(P<0.05),而RA、UA、MCA中PS与孕周呈正相关性(P<0.05)。结论应用彩色多普勒测量不同孕周胎儿RA、UA、MCA血流动力学参数能有效了解胎儿颅脑循环、胎盘循环及全身血流循环状态。通过建立正常胎儿血流参数参考范围可为超声预测胎儿宫内生长情况提供参考依据。【关键词】彩色多普勒;肾动脉}脐动脉;大脑动脉;血流参数DOI:l0.3
4、969/j.issn.1d72—9455.2014.15.012文献标志码:A文章编号:1672—9455(2014)15-2070—03ValueofcolorDoppleruitrasonographytoobservenormalfetalarterialbloodflowofdifferentgestationalagesZHENGDong—ping。LEILin。YANGBo(PeoplesHospitalAffiliatedtoHubeiMedicalCollege,Shiyan,Hubei628000,China)[Abstract]ObjectiveToexplorethe
5、changesofbloodflowparametersofdifferentgestationalagesfetusrenalartery(RA),changesintheumbilicalartery(UA),middlecerebralartery(MCA).Todeterminethebloodflowref—erencevalueofnormalfetalRA,UA,MCA,andtoanalyzetherelationshipbetweenRA,UA,MCAbloodflowpa—rametersandgestationalage.Methods185casesofprenat
6、algestationalof4to41weekswereselectedfromJanuary20l3toDecember2O13.Theresistanceindex(RI),pulsatilityindex(PI),peaksystolicvelocity(PS)andpeaksys—tolicvelocityandenddiastolicvelocityratio(S/D)ofRA,UA,MCAweremeasuredwithcolorDopplerultrasoundfromJanuary2013toDecember2013.ResultsThevalueofPSofRA,UA,
7、MCAwereincreasedwithincreasingges—tationalage.ThevaluesofRI,PI,S/DofRA,UA,MCAweresignificantlyreduced.ThevaluesofRI,PI,S/DofRA,UA,MCAwerecorrelatedwithgestationalage(P<0.05).ThePSofRA,UA,MCAwerecorrelatedwithgestation—alage(P8、UA,MCAhemody—namicparameterscaneffectivelyunderstandthefetalbraincirculation,placentalcirculationandsystemicbloodcircu—lationstate.Throughtheestablishmentofnormalreferencerangeoffetalbloodflowparametersforultraso
8、UA,MCAhemody—namicparameterscaneffectivelyunderstandthefetalbraincirculation,placentalcirculationandsystemicbloodcircu—lationstate.Throughtheestablishmentofnormalreferencerangeoffetalbloodflowparametersforultraso
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