Echocardiographic Measurements of Right Ventricular Mechanics in Infants with Bronchopulmonary Dysplasia at 36 Weeks Postmenstrual Age

The Journal of Pediatrics
Daniel E EhrmannMichael V Di Maria

Abstract

To test the hypothesis that specific echocardiographic measurements of right ventricular (RV) mechanics at 36 weeks postmenstrual age (PMA) are associated with the severity of bronchopulmonary dysplasia (BPD). A subset of 93 preterm infants (born between 27 and 29 weeks of gestation) was selected retrospectively from a prospectively enrolled cohort. BPD was defined using the National Institutes of Health workshop definition, with modifications for oxygen reduction testing and altitude. The cohort was divided into no-BPD and BPD groups using previously published methodology for analyses. Echocardiographic measurements of RV function (ie, tricuspid annular plane systolic excursion, fractional area of change, systolic-to-diastolic ratio, tissue Doppler myocardial performance index, and RV strain), RV remodeling/morphology (end-systolic left ventricular eccentricity index), and RV afterload (pulmonary artery acceleration time measure) were evaluated at 36 weeks PMA. Multivariable logistic regression determined associations between RV measurements and BPD severity. Compared with the no-BPD cohort, the BPD group had lower birth weight z-scores (P = .04) and trended toward a male predominance (P = .08). After adjusting for birth weigh...Continue Reading

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Citations

Sep 29, 2019·The European Respiratory Journal·Liesbeth DuijtsMarielle W Pijnenburg
Mar 27, 2019·Journal of Perinatology : Official Journal of the California Perinatal Association·Colm R BreatnachAfif El-Khuffash
Mar 7, 2021·Pediatric Research·Catheline HocqUNKNOWN from the European Society for Pediatric Research
Mar 10, 2021·Journal of Perinatology : Official Journal of the California Perinatal Association·Soham DasguptaSunil K Jain

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