Patent Ductus Arteriosus (PDA) | Johns Hopkins Medicine

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Patent ductus arteriosus (PDA) is a heart defect found in the days or weeks after birth. The ductus arteriosus is a normal part of fetal blood circulation. SkipNavigation COVID-19Updates Masksarerequiredinsideallofourcarefacilities.Wearevaccinatingalleligiblepatients.Learnmore: Vaccines,Boosters&AdditionalDoses|Testing|PatientCare|VisitorGuidelines|Coronavirus|EmailAlerts FindmoreCOVID-19testinglocationsonMaryland.gov. HealthHome ConditionsandDiseases PatentDuctusArteriosus(PDA) ShareonFacebook ShareonTwitter ShareonLinkedin ShareonPinterest ShareviaEmail PrintthisPage FeaturedExperts: JohnThomson,M.B.B.S.,Ph.D. Patentductusarteriosus,orPDA,isaheartdefectthatcandevelopsoonafterbirth.Itaffectsthewaybloodflowsthroughababy’slungs.MildPDAmightnotneedtreatment,butsomechildrenwiththedefectmayrequirecatheterizationorsurgery. PediatriccardiologistJohnThomson oftheBlalock-Taussig-ThomasPediatricandCongenitalHeartCenterdescribeswhatyoushouldknowadditionallyaboutPDA. Whatispatentductusarteriosus? PDAoccurswhentheopeningbetweentheaorta(thearterythatcarriesoxygen-richbloodtothebody)andthepulmonaryartery(thearterythatcarriesoxygen-poorbloodtothelungs)doesnotcloseasitshould. Howdoespatentductusarteriosusaffectbloodflow? PDAcausestoomuchbloodtoflowintobabies’lungs.Whileababydevelopsinthewomb,anopeningbetweentheaortaandpulmonaryartery(theductusarteriosus)allowsbloodtobypassthebaby’slungsandgostraighttothebody.Blooddoesnotneedtogotothelungsfirst,becausethemothersuppliesthebabywithoxygenatedbloodthroughtheplacenta.Theductusarteriosusshouldcloseonitsownwithinafewdaysafterbirth.Whentheopeningdoesnotclose,thisconnectionbetweenarteriesisconsideredapatent,oropen,ductusarteriosus.Smallconnectionsmaynotcauseproblems,butlargerconnectionscancausearangeofsymptomsandrequireclosure. PatentDuctusArteriosusCauses Expertsaren’tsureexactlywhatcausesPDA.Itismuchmorecommoninprematureinfants(babiesbornmorethanthreeweeksbeforetheprojectedduedate).StudiessuggestPDAaffectsabout65%ofinfantsbornbeforethe28thweekofpregnancy.Itisrareinfull-termbabiesandistwiceascommoningirlsthaninboys. SometimesPDAoccurswithotherheartdefects.TheriskofcongenitalheartdefectslikePDAmayalsoincreasedueto: Certaingeneticconditions Familyhistoryofcongenitalheartconditions Fetaldistressinthewomb Infectionsinthemotherorfetusduringpregnancy,suchasrubella Otherpregnancy-relatedriskfactors,suchassmokingortakingcertainmedications PatentDuctusArteriosusSymptoms SymptomsofPDAdependonthesizeoftheopeningbetweenababy’saortaandpulmonaryartery.Iftheopeningissmall,yourbabymaynothavesymptoms.Butalargeropeningmaycausesymptomssuchas: Fastorhardbreathing Frequentrespiratoryinfections Heartmurmur(a“whooshing”soundmadebyabnormalbloodflowthroughtheheart) Poorweightgain Troublefeedingortirednesswhilefeeding PatentDuctusArteriosusDiagnosis AhealthcareprovidermaynoticethesignsofPDAsoonafterbirth.Duringaphysicalexam,theylistenforaheartmurmurorcongestioninthelungs.Theyalsocheckthebaby’spulserateandbloodpressure. OthertestsforPDAhelpidentifysignsoftheholeandmayinclude: Echocardiogram—anultrasoundscanoftheheart Electrocardiogram—atestthatuseselectrodestoevaluatetheheart PatentDuctusArteriosusTreatment IfasmallPDAdoesnotcauseseveresymptoms,itmaynotneedtreatment.Sometimestheconnectionmaycloseonitsownafewmonthsafterbirth.Ababymayneedmedicinesuchasindomethacin(ananti-inflammatory)duringthesemonthstohelpclosetheconnection,orwatermedicine(diuretics)toreducetheriskoffluidbuildup.Largerconnectionsusuallyneedtreatmentwithcatheterizationorsurgery. Cardiaccatheterization CatheterizationisthemostcommontreatmentforPDA.Duringthisminimallyinvasiveprocedure,apediatricinterventionalcardiologist: Makesatinyincisionnearalargebloodvesselintheleg Insertsacatheter(thin,flexibletube)intothebloodvesselandthreadsituptothePDA Slidesacoilorotherplug-likedevicethroughthecatheterandintothePDAtocloseit Patentductusarteriosussurgery PatentductusarteriosussurgeryisusuallyreservedforbabieswithverylargePDAs.Opensurgerypresentsmorerisksthancardiaccatheterizationandrequiresalongerrecoverytime.Duringthisprocedure,apediatricheartsurgeon: Makesanincisioninthechest Closestheconnectionwithstitchesorsmallmetalclips PediatricCardiologyTreatmentatJohnsHopkins Advancedexpertiseintreatingallformsofpediatricandcongenitalheartdisease. Yourchild’scareteamincludespediatriccardiologists,surgeonsandchildlifespecialists. Careforthewholefamilytosupportyou,yourchildandyourchild’ssiblings. PediatricCardiologyTreatmentsandDoctors Whatarethecomplicationsofpatentductusarteriosus? Leftuntreated,PDAmaycausecomplicationssuchas: Heartfailure Endocarditis(inflammationandinfectionoftheliningoftheheart) Pulmonaryedema(fluidinthelungs) Pulmonaryhypertension(highbloodpressureinthebloodvesselsofthelungs) Livingwithpatentductusarteriosus TheoutlookforchildrenwhoreceivePDAtreatmentandhavenootherheartconditionsisexcellent.Mostchildrengoontoleadfull,healthyliveswithnorestrictionsonactivities.Theymayneedperiodiccheckupswiththeirpediatriccardiologisttomakesurenootherheartorlungproblemshavedeveloped. PeoplewhohadPDAtreatmentasaninfantorchildshouldseekcarefromanadultcongenitalheartspecialistastheytransitionintoadulthood.Inveryrarecases,asecondsurgerymaybenecessaryiftheholeopensupagain. TheBlalock-Taussig-ThomasPediatricandCongenitalHeartCenter Ourpediatricheartspecialistsprovidethemostadvanceddiagnosisandtreatmentforyourchildthroughadulthoodinoneplace. LearnmoreaboutthePediatricandCongenitalHeartCenter FindaTreatmentCenter  PediatricandCongenitalHeartCenter Related KawasakiDisease EisenmengerSyndromeinChildren VentricularSeptalDefectVSDinChildren ElectrophysiologicalStudies RequestanAppointment FindaDoctor 443-997-5437 PediatricCardiology 443-287-1262 PediatricCardiacSurgery FindaDoctor SeeMore Related PediatricCongenitalHeartConditions KawasakiDisease PediatricCongenitalHeartConditions EisenmengerSyndromeinChildren PediatricCongenitalHeartConditions VentricularSeptalDefectVSDinChildren

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