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ID:36773879
大小:1.47 MB
页数:52页
时间:2019-05-15
《初探二维超声测量胎儿肾脏体积预测出生体重的方法》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、天津医科大学硕士学位论文初探二维超声测量胎儿肾脏体积预测出生体重的方法姓名:董微申请学位级别:硕士专业:妇产科指导教师:韩玉环20030501必津医科大学硕士研兜生学位论文藜探二维超声溅登黪JL肾熬体积预测怒嶷体重懿方法摘要.莓瓣:探讨二维超声下泼胎兑臀蒎犬小预测骀梵激生俸重、评价胎JL生长发育状况的方法及其临床应用价值。方法:以二维实时超声测量3
2、9捌黢儿豹双顶径、头围、腹基、骰骨长径、双弼肾脏长径、横径及厚强,并计算每个胎肾俸积。掰有超声测爨及检查均在胎儿娩出前72小时内完成。分析胎肾体积与出生体霪的相关性,以胎肾体积必自变量,出缴体重为因变爨绘制教点躅,经趋
3、势拟食建立表示二辫相关的最邋公式,}E较藏公式与稿床常用公式预溅黯生体重的滚确性。眈较适于胎龄jL、小于胎龄儿、大于胎龄儿肾黻的各个径线,根据小于胎龄儿肾脏的形恣学特点,谭找可以用寒预测小于骀龄JL的j#孕龄依赖性指标。另收集150铡躲』L终为验诞缀初步验诿所得结栗。结果:胎肾体积与出生体重呈线崔E服相关(r=O.89,n=319,p4、改变与文献报道一致,璺“香肠形”,据就找爨5、薅以月来预测小‘予殓龄JL懿4#孕龄依赖性指标一肾妖径/肾横径}E值,当肾长径,肾横径≥1.78时预测,j、于胎龄见的敏感度为80%,特异度为99.3%。上述结果在验证缀中证实具有W重复性。结论:二缭超声下科雳黢扎孽唪积瑗溯出生缮重燕可褥豹,此方法提高了预测巨大踅出穗体重的准确健;当菲孕龄依赖性指标一肾长径/肾横径≥1.78时,可初步考虑胎儿为小于胎龄儿,为临床提供简便、快捷的方法评价胎儿生长发育状嚣,缎此值仍惹更大榉本送一步修正。天津医科大学硕士研究生学位论文PreliminaryStudyontheMethodofP6、redictingBirthWeightwithFetalKidneyVolumeAssessedbyTwo-dimensionalUltrasoundAbstractobjective:Toinvestigatethemethodsofpredictingfetalbirthweightandfetalgrowthwithfetalkidneysizeassessedbytwo-dimensionalultrasound.Methods:Thebiparietaldiameter,headcircumference,abdoIninalcircumference7、,femurlength,bilateralkidneylength,kidneywidthandkidneytIliclmessof319singletonfetusesweremeasuredbytwo-dimensionalultrasound.BilateralkidneyvolumeofaUfetuseswascalculated.Allinfantsweredeliveredwithin72hoursaftertheul订asoundexaminati0138.ThecorrelatiOnbetweenthekidneyvolumeandthebirt8、hweightWasanalyzed.UsingkidneyvolumeastheiIldepcndentvariableandbirthweightasthedependentvariable,scattergramsWasmadebyExcel.Abest·fitformulawasgeneratedforthekidneyvolumetopredictbirthweightfrompolynomialregressionanalysis.Theaccuracyofthekidney—volumeformulaWaScomparedwiththoseoftwo9、formulascommonlyusedinclinicalpractices.Comparingkidney’Severydiameterofappropriateforgestationalagefetalwiththatofsmallforgestadonalagefetaltolookforanage—independentpredictorofsmallforgestationalageinfant.Inaddition,anothergroupof150fetusesWasmeasuredforprospectivevalidation.Results10、:Thef
4、改变与文献报道一致,璺“香肠形”,据就找爨
5、薅以月来预测小‘予殓龄JL懿4#孕龄依赖性指标一肾妖径/肾横径}E值,当肾长径,肾横径≥1.78时预测,j、于胎龄见的敏感度为80%,特异度为99.3%。上述结果在验证缀中证实具有W重复性。结论:二缭超声下科雳黢扎孽唪积瑗溯出生缮重燕可褥豹,此方法提高了预测巨大踅出穗体重的准确健;当菲孕龄依赖性指标一肾长径/肾横径≥1.78时,可初步考虑胎儿为小于胎龄儿,为临床提供简便、快捷的方法评价胎儿生长发育状嚣,缎此值仍惹更大榉本送一步修正。天津医科大学硕士研究生学位论文PreliminaryStudyontheMethodofP
6、redictingBirthWeightwithFetalKidneyVolumeAssessedbyTwo-dimensionalUltrasoundAbstractobjective:Toinvestigatethemethodsofpredictingfetalbirthweightandfetalgrowthwithfetalkidneysizeassessedbytwo-dimensionalultrasound.Methods:Thebiparietaldiameter,headcircumference,abdoIninalcircumference
7、,femurlength,bilateralkidneylength,kidneywidthandkidneytIliclmessof319singletonfetusesweremeasuredbytwo-dimensionalultrasound.BilateralkidneyvolumeofaUfetuseswascalculated.Allinfantsweredeliveredwithin72hoursaftertheul订asoundexaminati0138.ThecorrelatiOnbetweenthekidneyvolumeandthebirt
8、hweightWasanalyzed.UsingkidneyvolumeastheiIldepcndentvariableandbirthweightasthedependentvariable,scattergramsWasmadebyExcel.Abest·fitformulawasgeneratedforthekidneyvolumetopredictbirthweightfrompolynomialregressionanalysis.Theaccuracyofthekidney—volumeformulaWaScomparedwiththoseoftwo
9、formulascommonlyusedinclinicalpractices.Comparingkidney’Severydiameterofappropriateforgestationalagefetalwiththatofsmallforgestadonalagefetaltolookforanage—independentpredictorofsmallforgestationalageinfant.Inaddition,anothergroupof150fetusesWasmeasuredforprospectivevalidation.Results
10、:Thef
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