ArticleJornal de pediatria
Clinical utility of echocardiography in bronchopulmonary dysplasia: a retrospective cohort study.
Article in Jornal de pediatria. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveBronchopulmonary dysplasia (BPD) is a common chronic lung complication in preterm infants, often complicated by cardiopulmonary dysfunction and poor outcomes. This study aimed to evaluate echocardiographic parameter differences at 36 weeks postmenstrual age (PMA) between preterm infants with and without BPD, and explore echocardiography's utility for BPD identification.
methodsA retrospective cohort study included 94 preterm infants (gestational age < 32 weeks) admitted to the NICU (2019-2023). They were grouped by 2018 NICHD criteria: Non-BPD (n = 50, no/mild respiratory support) and BPD (n = 44, requiring prolonged oxygen/mechanical ventilation). Standard transthoracic echocardiography (TTE) at 36 weeks PMA assessed left ventricular (LV), right ventricular (RV), and tissue Doppler imaging (TDI) parameters.
resultsGestational age and birth weight were comparable between the two groups (p < 0.01), but BPD infants had longer mechanical ventilation duration (p < 0.01). BPD infants showed significant cardiac dysfunction: reduced LV ejection fraction (LVEF), mitral valve E velocity (MV-E), and MV-E/A ratio; decreased RV tricuspid annular plane systolic excursion (TAPSE) and fractional area change (FAC); and abnormal TDI (lower TV-S'/E'/A', higher TV-E/E' ratio) (all p < 0.01).
conclusionsEchocardiographic parameters reflecting biventricular systolic/diastolic dysfunction differ significantly between BPD and non-BPD preterm infants, indicating potential for BPD identification.
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