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1、中国医学影像技术2010年第26卷第8期ChinJMedImagingTechnol,2010,Vol26,No81519妇产科影像学Standardizedtrainingonultrasonicdiagnosisofchorionicityintwinpregnancy*GANHan-jing,WANGHui-fang,TANXi-ping,LIUTao,LINQi,JIAOYang,XIONGYi,WUYing(DepartmentofUltrasound,theSecondClinicalMedicalCollegeofJinanUniversity,She
2、nzhenPeoplesHospital,Shenzhen518020,China)[Abstract]ObjectiveToevaluatethesignificanceofstandardizedtrainingonultrasonicdiagnosisofchorionicityidentifica-tionintwinpregnancy.MethodsClinicaldataof344pregnantwomen,including146pregnantwomenexaminedpre-train-ingand198pregnantwomenexaminedp
3、ost-training,werereviewedretrospectively.Thechorionicitydetectionrateandac-curacyofdiagnosiswerecomparedbetweenthetwogroups.ResultsAfterstandardizedtraining,theproportionofpregnantwomenwithneglectedchorionicitydiagnosisdecreasedfrom7692%to2000%(P<005)inthefirsttrimester,from6500%to17
4、65%(P<005)inthesecondandthirdtrimester.Theaccuracyofchorionicitydiagnosisinthefirsttrimes-terbeforeandaftertrainingwasall100%,whereastheaccuracyinthesecondandthirdtrimesterraisedfrom8095%to9683%(P<005).ConclusionThediagnosticaccuracyofchorionicityintwinpregnancycanbegreatlyimprovedwit
5、hstandardizedultrasoundtraining.Thefirsttrimesteristhebesttimetodeterminethechorionicityoftwinpregnancywithu-ltrasonography.[Keywords]Ultrasonography,prenatal;Twins;Chorion;Amnion;Inservicetraining规范化超声培训诊断双胎绒毛膜性*甘晗靖,王慧芳,谭喜平,刘涛,林琪,焦阳,熊奕,吴瑛(暨南大学第二临床医学院深圳市人民医院超声科,广东深圳518020)[摘要]目的探
6、讨规范化超声培训对诊断双胎绒毛膜性的价值。方法回顾性分析规范化超声培训前诊断为双胎妊娠的146名和规范化超声培训后诊断的198名孕妇的临床资料、超声诊断绒毛膜性的符合率,并进行比较分析。结果早孕期超声未诊断出绒毛膜性的比例由规范化超声培训前的7692%下降至规范化超声培训后的2000%(P<005),中、晚孕期由6500%下降至1765%(P<005);规范化超声培训前、后在早孕期诊断绒毛膜性的符合率均为100%,中、晚期诊断的符合率由规范化超声培训前的8095%明显提高到规范化超声培训后的9683%(P<005)。结论通过规范化培训,超声诊断双胎绒
7、毛膜性的比例和符合率明显提高。早孕期是超声诊断双胎绒毛膜性的最佳时机。[关键词]超声检查,产前;双胎;绒毛膜;羊膜;在职培训[中图分类号]R71453;R4451[文献标识码]A[文章编号]1003-3289(2010)08-1519-04单绒毛膜双胎较双绒毛膜双胎具有更高的围生期发病率意义。目前产前超声检查是判断双胎妊娠绒毛膜性的重要手[1]和病死率,且易发生双胎输血综合征(twin-to-twintransfu-段,但超声诊断绒毛膜性的方法仍不规范。本文回顾性分析sionsyndrome,
