Safety, Feasibility, and Impact of Enalapril on Cardiorespiratory Physiology and Health in Preterm Infants with Systemic Hypertension and Left Ventricular Diastolic Dysfunction

Neonatal hypertension has been increasingly recognized in premature infants with bronchopulmonary dysplasia (BPD); of note, a sub-population of these infants may have impaired left ventricular (LV) diastolic function, warranting timely treatment to minimize long term repercussions. In this case seri...

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Main Authors: Amy H. Stanford, Melanie Reyes, Danielle R. Rios, Regan E. Giesinger, Jennifer G. Jetton, Adrianne R. Bischoff, Patrick J. McNamara
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Journal of Clinical Medicine
Subjects:
Online Access:https://www.mdpi.com/2077-0383/10/19/4519
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author Amy H. Stanford
Melanie Reyes
Danielle R. Rios
Regan E. Giesinger
Jennifer G. Jetton
Adrianne R. Bischoff
Patrick J. McNamara
author_facet Amy H. Stanford
Melanie Reyes
Danielle R. Rios
Regan E. Giesinger
Jennifer G. Jetton
Adrianne R. Bischoff
Patrick J. McNamara
author_sort Amy H. Stanford
collection DOAJ
description Neonatal hypertension has been increasingly recognized in premature infants with bronchopulmonary dysplasia (BPD); of note, a sub-population of these infants may have impaired left ventricular (LV) diastolic function, warranting timely treatment to minimize long term repercussions. In this case series, enalapril, an angiotensin-converting enzyme (ACE) inhibitor, was started in neonates with systemic hypertension and echocardiography signs of LV diastolic dysfunction. A total of 11 patients were included with birth weight of 785 ± 239 grams and gestational age of 25.3 (24, 26.1) weeks. Blood pressure improvement was noticed within 2 weeks of treatment. Improvement in LV diastolic function indices were observed with a reduction in Isovolumic Relaxation Time (IVRT) from 63.1 ± 7.2 to 50.9 ± 7.4 msec and improvement in the left atrium size indexed to aorta (LA:Ao) from1.73 (1.43, 1.88) to 1.23 (1.07, 1.29). Neonatal systemic hypertension is often underappreciated in ex-preterm infants and may be associated with important maladaptive cardiac changes with long term implications. It is biologically plausible that identifying and treating LV diastolic dysfunction in neonates with systemic hypertension may have a positive modulator effect on cardiovascular health in childhood and beyond.
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spelling doaj.art-d5fda0dcaec646628b52cd3ffb5486ab2023-11-22T16:20:38ZengMDPI AGJournal of Clinical Medicine2077-03832021-09-011019451910.3390/jcm10194519Safety, Feasibility, and Impact of Enalapril on Cardiorespiratory Physiology and Health in Preterm Infants with Systemic Hypertension and Left Ventricular Diastolic DysfunctionAmy H. Stanford0Melanie Reyes1Danielle R. Rios2Regan E. Giesinger3Jennifer G. Jetton4Adrianne R. Bischoff5Patrick J. McNamara6Division of Neonatology, Department of Pediatrics, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USADivision of Neonatology, Department of Pediatrics, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USADivision of Neonatology, Department of Pediatrics, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USADivision of Neonatology, Department of Pediatrics, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USADivision of Pediatric Nephrology, Department of Pediatrics, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USADivision of Neonatology, Department of Pediatrics, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USADivision of Neonatology, Department of Pediatrics, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USANeonatal hypertension has been increasingly recognized in premature infants with bronchopulmonary dysplasia (BPD); of note, a sub-population of these infants may have impaired left ventricular (LV) diastolic function, warranting timely treatment to minimize long term repercussions. In this case series, enalapril, an angiotensin-converting enzyme (ACE) inhibitor, was started in neonates with systemic hypertension and echocardiography signs of LV diastolic dysfunction. A total of 11 patients were included with birth weight of 785 ± 239 grams and gestational age of 25.3 (24, 26.1) weeks. Blood pressure improvement was noticed within 2 weeks of treatment. Improvement in LV diastolic function indices were observed with a reduction in Isovolumic Relaxation Time (IVRT) from 63.1 ± 7.2 to 50.9 ± 7.4 msec and improvement in the left atrium size indexed to aorta (LA:Ao) from1.73 (1.43, 1.88) to 1.23 (1.07, 1.29). Neonatal systemic hypertension is often underappreciated in ex-preterm infants and may be associated with important maladaptive cardiac changes with long term implications. It is biologically plausible that identifying and treating LV diastolic dysfunction in neonates with systemic hypertension may have a positive modulator effect on cardiovascular health in childhood and beyond.https://www.mdpi.com/2077-0383/10/19/4519left ventricular diastolic dysfunctionsystemic hypertensionbronchopulmonary dysplasiaangiotensin-converting enzyme inhibitorenalaprilcardiac lung disease
spellingShingle Amy H. Stanford
Melanie Reyes
Danielle R. Rios
Regan E. Giesinger
Jennifer G. Jetton
Adrianne R. Bischoff
Patrick J. McNamara
Safety, Feasibility, and Impact of Enalapril on Cardiorespiratory Physiology and Health in Preterm Infants with Systemic Hypertension and Left Ventricular Diastolic Dysfunction
Journal of Clinical Medicine
left ventricular diastolic dysfunction
systemic hypertension
bronchopulmonary dysplasia
angiotensin-converting enzyme inhibitor
enalapril
cardiac lung disease
title Safety, Feasibility, and Impact of Enalapril on Cardiorespiratory Physiology and Health in Preterm Infants with Systemic Hypertension and Left Ventricular Diastolic Dysfunction
title_full Safety, Feasibility, and Impact of Enalapril on Cardiorespiratory Physiology and Health in Preterm Infants with Systemic Hypertension and Left Ventricular Diastolic Dysfunction
title_fullStr Safety, Feasibility, and Impact of Enalapril on Cardiorespiratory Physiology and Health in Preterm Infants with Systemic Hypertension and Left Ventricular Diastolic Dysfunction
title_full_unstemmed Safety, Feasibility, and Impact of Enalapril on Cardiorespiratory Physiology and Health in Preterm Infants with Systemic Hypertension and Left Ventricular Diastolic Dysfunction
title_short Safety, Feasibility, and Impact of Enalapril on Cardiorespiratory Physiology and Health in Preterm Infants with Systemic Hypertension and Left Ventricular Diastolic Dysfunction
title_sort safety feasibility and impact of enalapril on cardiorespiratory physiology and health in preterm infants with systemic hypertension and left ventricular diastolic dysfunction
topic left ventricular diastolic dysfunction
systemic hypertension
bronchopulmonary dysplasia
angiotensin-converting enzyme inhibitor
enalapril
cardiac lung disease
url https://www.mdpi.com/2077-0383/10/19/4519
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