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January 1, 2025The Tohoku Journal of Experimental MedicineOpen Access

Effects of Phosphodiesterase-3 Inhibitor in the Management of Left Heart Failure in Extremely Low-Birth-Weight Infants with Simple Aortic Coarctation

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Key result

Adding olprinone to lipoPGE1 lowers pressure gradient ~56% in an extremely low-birth-weight infant with aortic coarctation.

  • n=1

Why the study?

Does the addition of a PDE3 inhibitor to lipoPGE1 improve the pressure gradient and left ventricular function in an extremely low-birth-weight infant with simple aortic coarctation and left heart failure?

Population

1 extremely low-birth-weight female infant with simple aortic coarctation after ductus arteriosus ligation

Comparison

Phosphodiesterase-3 inhibitor olprinone combined with lipoPGE1

Design

Case report

Authors

HHHideyuki HawakaHiroshima City Asa Citizens HospitalKTKatsuaki ToyoshimaKanagawa Children's Medical CenterTSTomoko SaitoKanagawa Children's Medical Center

Discussion

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Implication

May support adjunctive PDE3 inhibition in low-birth-weight coarctation; leaves open confirmation in prospective trials.

Study Design

Type

Case Report (n=1)

Structured PICO

Does the addition of a PDE3 inhibitor to lipoPGE1 improve the pressure gradient and left ventricular function in an extremely low-birth-weight infant with simple aortic coarctation and left heart failure?

P
Population
1 extremely low-birth-weight female infant (birth weight 744 g, 29 weeks 1 day gestation) with simple aortic coarctation and left heart failure after patent ductus arteriosus ligation.
I
Intervention
Phosphodiesterase-3 (PDE3) inhibitor (olprinone) in combination with liposomal prostaglandin E1 (lipoPGE1)
C
Comparator
Liposomal prostaglandin E1 (lipoPGE1) alone (prior to adding olprinone)
O
Outcome
Pressure gradient between upper and lower limbs and left ventricular functionsurrogate

The addition of a PDE3 inhibitor to lipoPGE1 may improve the pressure gradient and left ventricular function in extremely low-birth-weight infants with simple aortic coarctation.

Limitations

  • Single case report
  • Further studies are needed to clarify efficacy

Cite This Study

Hawaka et al. (2025) conducted a case report in Simple aortic coarctation and left heart failure (n=1). Phosphodiesterase-3 (PDE3) inhibitor (olprinone) combined with liposomal prostaglandin E1 (lipoPGE1) vs. lipoPGE1 alone (prior to combination) was evaluated on Pressure gradient between upper and lower limbs. In an extremely low-birth-weight infant with simple aortic coarctation, adding the PDE3 inhibitor olprinone to lipoPGE1 reduced the upper-to-lower limb pressure gradient from 55 mmHg to 24 mmHg.

synapsesocial.com/papers/6a16b4f6c23c548e2a7b7f08https://doi.org/10.1620/tjem.2025.j034

Topics

Heart failureHFrEF treatment
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effective arterial elastance as index of arterial vascular load in humans.1992 · 838 citations
  2. 2A single centre experience with an evolving approach for the repair of coarctation of the aorta2019 · 16 citations
  3. 3Validation of 3D Echocardiographic Assessment of Left Ventricular Volumes, Mass, and Ejection Fraction in Neonates and Infants With Congenital Heart Disease2010 · 97 citations
  4. 4Coarctation, tubular hypoplasia, and the ductus arteriosus. Histological study of 35 specimens.1979 · 238 citations
  5. 5In vivo Dilatation of the Fetal and Postnatal Ductus Arteriosus by Inhibition of Phosphodiesterase 3 in Rats2005 · 35 citations