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RecommendationsforLong-Term
Follow-up
Commonarterialtrunkisaconditionforwhichcontinuedfollow-upis
recommendedbythosehavingspecialexpertiseinthecareofadultswith
congenitalcardiacdisease.Asdiscussed,themainissueofsignificancerelatesto
thefateoftheconduitthathasbeeninterposedbetweentherightventricleand
thepulmonarycirculation.Ifuntreated,significantobstructiontotheconduit
mayresultinproblemsinrightventricularperformance,exercisetolerance,and
arrhythmiaandmayplacethepatientatriskofcardiacfailure.Althoughithas
beenrecommendedthatcontactsportsareavoided,thereshouldbenoother
restrictiontoexerciseifhemodynamicsaregood.MostpatientswillbeinNew
YorkHeartAssociationfunctionalclassesIandII.Whenpossible,allpatients
shouldundergoadetailedfunctionalassessmentbeforepregnancy,tocorrectany
hemodynamicabnormalitiesbeforeconception.66Ingeneral,pregnancyis
toleratedwell,althoughitislikelythatthepresenceofrightventricular
dysfunctionincreasesmaternalrisk.67Asdiscussedearlier,thereisariskof
recurrenceinoffspring,inparticularwhenthereisknowndeletionwithin
chromosome22.
AnnotatedReferences
FreireG,MillerM,HuhtaJ.Foetal
echocardiographyoftranspositionofthegreat
arteriesandcommonarterialtrunk.Cardiol
Young.2012;22:671–676.
FogelMA,CrawfordM.Cardiacmagnetic
resonanceofthecommonarterialtrunkand
transpositionofthegreatarteries.Cardiol
Young.2012;22:677–686.
StapletonGE,WilmotI,SuhEJ.Cardiac
catheterisationofpatientswithcommonarterial