de Vries WB, Karemaker R, Mooy NF, Strengers JL, Kemperman H, Baerts W, Veen S, Visser GH, Heijnen CJ, van Bel F
Cardiovascular follow-up at school age after perinatal glucocorticoid exposure in prematurely born children: perinatal glucocorticoid therapy and cardiovascular follow-up. [Journal Article, Research Support, Non-U.S. Gov't]
Arch Pediatr Adolesc Med 2008 Aug; 162(8):738-44.
OBJECTIVE: To study whether antenatal or neonatal glucocorticoid therapy to reduce the incidence and severity of chronic lung disease in preterm infants is associated with long-term adverse cardiac effects and hypertension.
DESIGN: Retrospective matched-cohort study.
SETTING: Outpatient clinic of a tertiary care hospital.
PARTICIPANTS: One hundred ninety-three children aged 7 to 10 years who had been born prematurely between December 2, 1993, and September 15, 1997. Main Exposure Neonatal treatment with dexamethasone disodium phosphate(n = 48) or the clinically equally effective glucocorticoid hydrocortisone (n = 51), or only antenatal treatment with betamethasone disodium phosphate and betamethasone acetate (n = 51). These 3 groups were compared with a reference group of prematurely born children who had not been exposed to perinatal glucocorticoid therapy (n = 43).
MAIN OUTCOME MEASURES: General hemodynamic data (heart rate and blood pressure), cardiovascular function as assessed at echocardiography, intima-media thickness of the carotid arteries, and cardiac biochemical features as early markers of expansion and volume overload of the cardiac left ventricle (B-type natriuretic peptide and N-terminal pro-B-type natriuretic peptide).
RESULTS: No significant group differences were found for heart rate, blood pressure, biochemical features, intima-media thickness, or systolic or diastolic left ventricular function.
CONCLUSIONS: Although no differences were found in blood pressure and cardiovascular function at school age in children antenatally or neonatally treated with glucocorticoids, further cardiovascular follow-up may be advisable because cardiovascular dysfunction may become apparent only later in life.
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