Association of Antegrade Pulmonary Artery Diastolic Velocity with Spontaneous Closure of the Patent Ductus Arteriosus in Extremely Low-Birth-Weight Infants

Dawn M. Weiss, Jeffrey R. Kaiser, Christopher Swearingen, Sadia Malik, Ritu Sachdeva

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Objective This study aims to determine echocardiographic parameters associated with spontaneous patent ductus arteriosus (PDA) closure in extremely low-birth-weight (ELBW) infants. Study Design Retrospective demographic review and analysis of echocardiograms from 189 ELBW infants with suspected and confirmed hemodynamically significant PDA identified on an initial echocardiogram was performed. Comparison of echocardiographic parameters was made between infants with spontaneous closure versus those who received treatment. Results The mean birth weight (787 ± 142 vs. 724 ± 141 g, p = 0.04) and gestational age (27.4 ± 2.8 vs. 26.2 ± 1.6 weeks, p = 0.03) were higher in the spontaneous closure versus the treatment group. Antegrade pulmonary artery (PA) diastolic velocity was lower in infants with spontaneous PDA closure versus those who received treatment (0.15 ± 0.06 vs. 0.22 ± 0.12 m/s, p = 0.009). Conclusion Heavier and more mature ELBW infants with a lower antegrade PA diastolic velocity were likely to have spontaneous closure of the PDA.

Original languageEnglish (US)
Pages (from-to)1217-1224
Number of pages8
JournalAmerican Journal of Perinatology
Volume32
Issue number13
DOIs
StatePublished - Jun 9 2015

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Extremely Low Birth Weight Infant
Patent Ductus Arteriosus
Pulmonary Artery
Birth Weight
Gestational Age
Therapeutics
Retrospective Studies
Demography

Keywords

  • ductus arteriosus
  • echocardiography
  • extremely low-birth-weight infant

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology

Cite this

Association of Antegrade Pulmonary Artery Diastolic Velocity with Spontaneous Closure of the Patent Ductus Arteriosus in Extremely Low-Birth-Weight Infants. / Weiss, Dawn M.; Kaiser, Jeffrey R.; Swearingen, Christopher; Malik, Sadia; Sachdeva, Ritu.

In: American Journal of Perinatology, Vol. 32, No. 13, 09.06.2015, p. 1217-1224.

Research output: Contribution to journalArticle

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