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Propranolol Therapy for Congenital Chylothorax.

Roxane Handal-Orefice^1,2, Devin Midura^3,2, June K Wu³

¹Departments of Obstetrics and Gynecology.

|January 18, 2023

Summary

Propranolol shows promise for treating severe congenital chylothorax, a rare condition. This study found propranolol effective in resolving fetal chylothorax, with no significant complications.

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Area of Science:

Neonatal Medicine
Pediatric Cardiology
Fetal Medicine

Background:

Congenital chylothorax is a rare and severe condition lacking established medical treatments.
Previous studies suggested propranolol may help with lymphatic malformations and secondary chylothorax.

Purpose of the Study:

To evaluate the efficacy of propranolol in treating severe congenital chylothorax.
To assess outcomes of prenatal and postnatal propranolol therapy in neonates.

Main Methods:

Retrospective review of neonates with severe congenital chylothorax diagnosed prenatally (2015-2019).
Analysis of cases receiving prenatal or postnatal propranolol therapy.
Inclusion criteria: severe fetal chylothorax without major genetic, infectious, or cardiac anomalies.

Main Results:

Prenatal propranolol led to complete resolution of chylothorax before birth in 2 cases.
Postnatal propranolol stabilized and improved pleural effusions in 2 neonates with refractory chylothorax.
No significant maternal or neonatal complications were observed with propranolol use.

Conclusions:

Propranolol may be an effective treatment for severe congenital chylothorax.
Both prenatal and postnatal administration of propranolol demonstrated positive outcomes.
Further research is warranted to confirm propranolol's role in managing fetal chylothorax.