casesatanygivenpointintimeandisimportant
fordefiningtherequirementforresourcesand
theburdenofdiseasewithinthetotalpopulation.
Thisstudyappliesassumptionsregarding
prevalenceatlivebirthandsurvivaltoestimate
thisnumber,withparticularreferencetoadults
withcongenitallymalformedhearts.
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TheBaltimore-WashingtonInfantStudywasbased
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andenvironmentalriskfactors.Thisreport
estimatesthecontributiontotheoccurrenceof
specificdefectsoffamilialandenvironmental
riskfactors.
GillHK,etal.Patternsofrecurrenceofcongenital
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2003;42:923–929.
Theinvestigatorsexaminedfetalechocardiograms
forpregnancieswhereeitherthemother,father
orasiblinghadcongenitalcardiacdisease.
Theynotedarecurrenceriskinthefetusof
2.7%,withvariableconcordanceforspecific
lesionsorgroups.
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Theseinvestigatorsusedmathematicalmodelingof
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defects,andelectiveterminationtodetermine
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Theseinvestigatorsusedadministrativedatabases
inthecontextofasystemforhealthcare
providinguniversalcoverage,todeterminethe
pointprevalenceofcongenitalcardiacdiseasein
adults.In2000thepointprevalencewas4.09
per1000adultsforanytypeofdefectand0.38
forseriouslesions.
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Thisstudyisoneofthefirsttouseasurveillance
programinvolvingmajortertiarycentersand
definedprevalenceatbirthof8.14per1000
beforeverificationwithechocardiographywas
possible.Casesdiagnosedatstillbirthwere
included,andanimportantproportionofcases
diagnosedwithclinicalevaluationonlywere
included.
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Althoughprimarilyaprogramforhealthcare,a