产前丘脑水平横断面超声观察孕11 13^( 6)周胎儿中脑导水管及其与头臀径的关系.pdf

文档介绍：中国医学影像技术 年第 卷第 期
􀅰１１６􀅰 ２０２２ ３８ １ 　ChinJ Results
relationshipwithcrownＧrumplength wereobservedontransversesectionofthalamuswithultrasound． 　Among
２１６fetuses,２０４(including４５,９９and６０fetusesrespectivelyingroupA,BandC)clearlyshowedmidbrainaqueduct,and
noobviousabnormalityofcentralnervoussystem wasfoundwithprenatalultrasound．Therewasnosignificantdifference
χ２ P
ofdisplayrateamonggroupA,BandC ( ＝２􀆰５０７, ＝０􀆰２８６)．Themidbrainaqueductwasnotclearlydepictedin１２
fetuses,including１０fetuseswithoutobviousabnormalityofcentralnervoussystem,１fetuswithobstructivehydrocephalus
andtherest１withopenspinabifidacomplicatedwithhydrocephalus．Thepregnanciesofthelatter２wereterminated,and
theresultsofautopsywereconsistentwiththoseofprenatalultrasound．Noobviousabnormalitywasfoundduringcentral
nervoussystemexaminationsof２１４newborns．Correlationandregressionanalysisshowedthattherewasalinearnegative
r P
correlationbetweenfetalcrownＧrumplengthandleftＧrightdiameterof midbrainaqueduct ( ＝ －０􀆰１６８, ＜０􀆰０５)．
Conclusion