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Pulmonary hypertension in the premature infant: a challenging comorbidity in a vulnerable population
Michael Glenn O'Connor1, David N Cornfield, Eric D Austin
1aDivision of Pediatric Pulmonary, Allergy, and Immunology, Vanderbilt University, Nashville, Tennessee bDivision of Pediatric Pulmonary, Stanford University, Palo Alto, California.
Insights
Pediatric clinicians can improve the diagnosis and treatment of pulmonary hypertension in premature infants. Early recognition and intervention are key for managing this common comorbidity in vulnerable newborns.
Area of Science:
- Pediatric Cardiology
- Neonatology
- Pulmonary Medicine
Background:
- Pulmonary hypertension is a significant comorbidity in premature infants.
- Bronchopulmonary dysplasia (BPD) is strongly associated with pulmonary hypertension in this population.
- Low birth weight and systemic inflammation also contribute to pulmonary hypertension risk.
Purpose of the Study:
- To inform pediatric clinicians on the diagnosis and treatment of pulmonary hypertension in premature infants.
- To highlight areas needing further research in the field.
- To improve recognition and timely intervention for this condition.
Main Methods:
- Review of available relevant literature.
- Focus on clinical perspectives for diagnosis and treatment.
- Synthesis of current knowledge on epidemiology and risk factors.
Main Results:
- Improved understanding of pulmonary hypertension epidemiology in premature infants.
- Association between bronchopulmonary dysplasia (BPD) and pulmonary hypertension confirmed.
- New recommendations for echocardiogram screening in infants with BPD.
Conclusions:
- Enhanced knowledge aids in developing better diagnostic screening algorithms.
- Clinicians should be aware of risk factors beyond BPD, including low birth weight and inflammation.
- Timely recognition and intervention are crucial for managing pulmonary hypertension in premature infants.
Purpose Of Review:
This review is written from the perspective of the pediatric clinician involved in the care of premature infants at risk for pulmonary hypertension. The main objective is to better inform the clinician in the diagnosis and treatment of pulmonary hypertension in premature infants by reviewing the available relevant literature and focusing on the areas for which there is the greatest need for continued research.
Recent Findings:
Continued knowledge regarding the epidemiology of pulmonary hypertension in the premature infant population has aided better diagnostic screening algorithms. Included in this knowledge, is the association of pulmonary hypertension in infants with bronchopulmonary dysplasia (BPD). However, it is also known that beyond BPD, low birth weight and other conditions that result in increased systemic inflammation are associated with pulmonary hypertension. This information has led to the recent recommendation that all infants with BPD should have an echocardiogram to evaluate for evidence of pulmonary hypertension prior to discharge from the neonatal ICU.
Summary:
Pulmonary hypertension can be a significant comorbidity for premature infants. This review aims to focus the clinician on the available literature to improve recognition of the condition to allow for more timely interventions.
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