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Protocol and Guidelines for Point-of-Care Lung Ultrasound in Diagnosing Neonatal Pulmonary Diseases Based on International Expert Consensus
Published on: March 6, 2019
Diuretics for respiratory distress syndrome in preterm infants
1University of Texas Southwestern at Dallas, Division of Neonatal-Perinatal Medicine, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9063, USA. Luc.Brion@UTSouthwestern.edu
Insights
Diuretics like furosemide and theophylline offer no long-term benefits for preterm infants with respiratory distress syndrome (RDS). Their administration may increase risks such as patent ductus arteriosus and hemodynamic instability, outweighing any transient improvements.
Area of Science:
- Neonatal Medicine
- Pediatric Pharmacology
- Critical Care
Background:
- Lung edema is a common complication in preterm infants with respiratory distress syndrome (RDS).
- Diuretic administration is sometimes used to manage fluid overload in these infants.
Purpose of the Study:
- To review the risks and benefits of using diuretics in preterm infants diagnosed with RDS.
- To evaluate the impact of diuretic use on various clinical outcomes.
Main Methods:
- Systematic review of randomized controlled trials identified through MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials.
- Inclusion criteria focused on preterm infants (<5 days old) with RDS, randomly assigned to diuretic treatment.
- Outcomes assessed included mortality, patent ductus arteriosus, renal function, and neurodevelopmental outcomes.
Main Results:
- Furosemide, used in six studies predating current treatments, showed no long-term benefits and increased risks of patent ductus arteriosus and hemodynamic instability.
- Theophylline, studied recently, did not demonstrate long-term benefits, although it transiently improved renal function and reduced oligoanuria.
Conclusions:
- Current evidence does not support the routine use of furosemide in preterm infants with RDS.
- The potential risks of furosemide, including hypovolemia and patent ductus arteriosus, necessitate careful consideration.
- Insufficient data exist to recommend routine low-dose theophylline administration for preterm infants with RDS.
Background:
Lung edema may complicate respiratory distress syndrome (RDS) in preterm infants.
Objectives:
The aim of this review was to assess the risks and benefits of diuretic administration in preterm infants with RDS.
Search Strategy:
The standard search method of the Cochrane Neonatal Review Group was used. MEDLINE, EMBASE and the Cochrane Central Register of Controlled Trials (CENTRAL, The Cochrane Library) were searched using the following keywords:
Selection Criteria:
Trials were included in which preterm infants with RDS and less than 5 days of age were randomly allocated to diuretic administration. Of those trials, studies were only included in which at least one of the following outcomes measures was evaluated: mortality, patent ductus arteriosus, hypovolemic shock, intraventricular hemorrhage, renal failure, duration of oxygen supplementation, duration of mechanical ventilation, need for oxygen supplementation at 28 days of life, oxygen supplementation at 36 weeks of postmenstrual age (gestational age + postnatal age), length of stay, number of rehospitalizations during the first year of life, and neurodevelopmental outcome.
Data Collection And Analysis:
The standard method for the Cochrane Collaboration, which is described in the Cochrane Collaboration Handbook, was used. Two investigators extracted, assessed and coded separately all data for each study. Any disagreement was resolved by discussion.
Main Results:
Seven studies met inclusion criteria. Six studies using furosemide were done before the current era of prenatal steroids, surfactant and fluid restriction. Furosemide administration had no long-term benefits. Furosemide-induced transient improvement in pulmonary function did not outweigh an increased risk for patent ductus arteriosus and for hemodynamic instability. In one recent study, theophylline had no long-term benefits. Theophylline significantly decreased the risk of oligoanuria and transiently increased renal function, but did not significantly affect renal function at discharge or other outcomes.
Authors' Conclusions:
There are no data to support routine administration of furosemide in preterm infants with RDS. Elective administration of furosemide to any patient with RDS should be carefully weighed against the risk of precipitating hypovolemia or developing a symptomatic patent ductus arteriosus. There are not enough data to support routine administration of low-dose theophylline in preterm infants with RDS.
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