妊娠期糖尿病对胎儿心脏结构、功能影响作用的分析

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1、万方数据英文摘要EffectsofgestationaldiabetesONfetalcardiacstructureandfuncfionobjeetive：Cardiacfunctionoffetuses，neonates，and6-month—oldinfantsofmotherswithgestationaldiabetesareassessedthroughtheapplicationofM-modeechocardiogram，andpotentialmechanismsofchangea

2、repreliminarilydiscussed，providingnewperspectivesandreferencesfornoticingandobservingcardiacchangesoffetusesofmotherswithgestationaldiabetes．Methods：1Experimentalgroup：40pregnantwomenagedbetween20and40withpregnanciesof24-28weekswererecruited，theaveragea

3、gebeing28．2士2．4．Another40casesofnormalsingletonpregnanciesof24—28weekswithinthecorrespondingperiodwereselectedasthenormalcontrolgroup．AphysicianmeasumdandobtainedsatisfactoryM—modeannulardisplacementimages，studiedthesubjectswhohadbeendividedintotwogroup

4、s，andconductedfollowing-upinterviewswithsubjectswithneonatesoflessthan1weekandinfantsof6months．2GEVolusonE8，colorDopplerultrasounddiagnosticinstrument，equippedwitha2～8MHzRAB4—8-Dprobe，aswellasPhilipsIE33，colorDopplerultrasounddiagnosticinstrument，equipp

5、edwitha4-12MHzS12—4phasedarrayprobeanda1～5Ⅳ叫zS5-1probewereused．Allthedataandimagescollectedhavebeenmeasuredandsavedbytheinstruments’softwaresystem．3ImagecollectionandparametermeasurementOrdinaryultrasonographyhasbeenfirstlyperformedtoestimategestational

6、weeks；underfetalcardiacmode，fetalechocardiographyhasbeencarriedoutafterwardstoexaminefetalcardiacstructureandfunctionholistically；4万方数据英文摘要Two—dimensionalultrasound：Commonly-adoptedultrasoniccrosssectionsincludesfour-chamberview，leftandrightventricularo

7、utflowtracts，aorticarchview，andductalarchview；M-modeechocardiogram：Undertheguidanceoftwo-dimehsionalultrasound，innerdiametersofheartandgreatve'ssels，andthicknessofventricularwallshavebeenmeasured；Dopplerechocardiogram：itcontainsspectralDopplerechocardio

8、graphyi．epulsedwaveDoppler(PW)andcontinuouswaveDoppler(CW)，andcolorDopplerflowingimaging(CDFI)，whichisappliedtoassessthevelocity，size，directionandotherpropertiesofbloodflow．Mitralannulardisplacement(MAD)measurement：Withthestandar