Underrecognition of Elevated Blood Pressure Readings in Children After Early Repair of Coarctation of the Aorta
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Hypertension after repair of coarctation of the aorta (CoA) is the outcome variable most closely associated with adverse long-term events such as stroke and myocardial infarction. This study sought to evaluate the outpatient management of casual blood pressure (BP) measurements in young children after early repair of CoA. A retrospective analysis was performed of clinical findings, echocardiographic data, casual BP recordings, and subsequent BP management of 114 children with CoA repair aged 1–13 years during 338 outpatient visits managed at two congenital cardiac centers. Children with associated significant congenital heart disease or corrective surgery after the age of 6 months were excluded from the study. Blood pressure was documented at 233 clinic visits (69%), and systolic BP (SBP) was above 95th percentile for age and sex in 45 instances (19%). This represented an elevated SBP recording for 31 children (27%), with two or more successive elevated recordings for 11 children (10%). Of 12 subjects receiving antihypertensive medication, three had inadequate BP control. Blood pressure is not documented at approximately 30% of outpatient visits of children with repaired CoA. When elevated BP is documented, in all cases no recorded action was taken. This may have significant implications for cardiovascular outcomes in this cohort of patients.
KeywordsBlood pressure Coarctation Hypertension Surgery
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