Low Rate of Spontaneous Closure in Premature Infants Discharged with a Patent Ductus Arteriosus: A Multicenter Prospective Study - 21/12/21
, George C. Powers, MD 3, Amy S. Kelleher, MSHS 2, M. Whit Walker, MD 4, Kristy K. Herrman, MD 5, Kaashif A. Ahmad, MBBS 3, Basharat Buchh, MD 6, Matthew C. Egalka, MD 7, Michael Hinkes, MD 8, Meiyun Ma, MD 9, Moira Richards, MD 10, Anthony C. Rudine, MD 11, Ray Y. Sato, MD 12, Kenneth M. Shaffer, MD 13, Reese H. Clark, MD 2, 4Abstract |
Objectives |
To assess the rate of spontaneous closure and the incidence of adverse events in infants discharged home with a patent ductus arteriosus.
Study design |
In a prospective multicenter study, we enrolled 201 premature infants (gestational age of 23-32 weeks at birth) discharged home with a persistently patent ductus arteriosus (PDA) and followed their PDA status at 6-month intervals through 18 months of age. The primary study outcome was the rate and timing of spontaneous ductal closure. Secondary outcomes included rate of assisted closure and the incidence of serious adverse events.
Results |
Spontaneous ductal closure occurred in 95 infants (47%) at 12 months and 117 infants (58%) by 18 months. Seventeen infants (8.4%) received assisted closure with surgical ligation or device assisted occlusion. Three infants died (1.5%). Although infants with spontaneous closure had a higher mean birth weight and gestational age compared with infants with a persistent PDA or assisted closure, we did not identify other factors predictive of spontaneous closure.
Conclusions |
Spontaneous closure of the PDA occurred in slightly less than one-half of premature infants discharged with a patent ductus by 1 year, lower than prior published reports. The high rate of assisted closure and/or adverse events in this population warrants close surveillance following discharge.
Trial registration |
ClinicalTrials.gov: NCT02750228.
Le texte complet de cet article est disponible en PDF.Abbreviation : PDA
Plan
| The authors declare no conflicts of interest. |
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| Portions of this study were presented at the Pediatric Academic Societies annual meeting, May 2-5, 2020 (virtual). |
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| Additional contributors are listed in Appendix 2 (available at www.jpeds.com). |
Vol 240
P. 31 - janvier 2022 Retour au numéro
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