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Galis R, Mudura D, Trif P, Diggikar S, Prasath A, Ognean ML, Mazela J, Lacatusu A, Ramanathan R, Kramer BW, Singh Y. Milrinone in persistent pulmonary hypertension of newborn: a scoping review. Pediatr Res 2024:10.1038/s41390-024-03234-z. [PMID: 38745027 DOI: 10.1038/s41390-024-03234-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 04/06/2024] [Accepted: 04/15/2024] [Indexed: 05/16/2024]
Abstract
Persistent pulmonary hypertension of the newborn (PPHN) is a common neonatal condition in newborns admitted to the neonatal intensive care units (NICUs). PPHN has still a high mortality and morbidity. Inhaled nitric oxide (iNO) is the first line vasodilator therapy for PPHN in high income countries. In low-to-middle income countries (LMICs), availability of iNO remains scarce and expensive. The purpose of this scoping review was to evaluate the current existing literature for milrinone therapy in PPHN and to identify the knowledge gaps in milrinone use in infants with PPHN. The available evidence for milrinone remains limited both as monotherapy and as an adjuvant to iNO. The studies were heterogeneous, conducted in different settings, with different populations and more importantly the endpoints of these trials were short-term outcomes such as changes in oxygenation and blood pressure. Large prospective studies investigating long-term outcomes, mortality, and the need for Extracorporeal membrane oxygenation (ECMO) are warranted. Randomized controlled trials with milrinone as monotherapy are needed in LMICs where iNO availability remains limited. IMPACT: Milrinone has a potential role in the management of PPHN both as an adjuvant to iNO as well as a monotherapy. This scoping review identified the problems existing in the published literature on milrinone and the barriers to generalization of these results. Multi-centre randomized controlled trials on milrinone, especially involving centers from low- and middle-income countries are needed, where it can be evaluated as first-line pulmonary vasodilator therapy.
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Affiliation(s)
- Radu Galis
- Department of Neonatology, Emergency County Hospital Bihor, Oradea, Romania.
- Department of Neonatology, Poznan University of Medical Sciences, Poznan, Poland.
| | - Diana Mudura
- Department of Neonatology, Emergency County Hospital Bihor, Oradea, Romania
| | - Paula Trif
- Department of Neonatology, Emergency County Hospital Bihor, Oradea, Romania
- Doctoral School of Biomedical Sciences, University of Oradea, Oradea, Romania
| | | | - Arun Prasath
- University of Texas Southwestern, Dallas, TX, USA
| | - Maria Livia Ognean
- Faculty of Medicine, Lucian Blaga University Sibiu, Sibiu, Romania
- Neonatology Department, Clinical County Emergency Hospital Sibiu, Sibiu, Romania
| | - Jan Mazela
- Department of Neonatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Adrian Lacatusu
- Pediatrics Department, Bega Clinic, Emergency County Hospital Timisoara, Timișoara, Romania
- Victor Babes University, Timisoara, Romania
| | - Rangasamy Ramanathan
- Division of Neonatology, Cedars Sinai Guerin Children's, Cedars Sinai Medical Center, Los Angeles, CA, USA
| | - Boris W Kramer
- Department of Neonatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Yogen Singh
- Department of Pediatrics, Division of Neonatology, UC Davis Children's Hospital, UC Davis Health, Sacramento, CA, USA
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Carroll J, Rao R, Steinhorn RH. Targeted Therapies for Neonatal Pulmonary Hypertension: Beyond Nitric Oxide. Clin Perinatol 2024; 51:113-126. [PMID: 38325937 DOI: 10.1016/j.clp.2023.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Pulmonary hypertension in the neonatal population can be acute or chronic and carries significant risk for morbidity and mortality. It can be idiopathic but more often is associated with comorbid pulmonary and heart disease. There are several pharmacotherapeutics aimed at pulmonary vasodilation. This review highlights the most common agents as well as those on the horizon for the treatment of pulmonary hypertension in the neonate.
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Affiliation(s)
- Jeanne Carroll
- Division of Neonatology, Department of Pediatrics, University of California, San Diego, Rady Children's Hospital-San Diego, 3030 Children's Way, San Diego, CA 92123, USA
| | - Rohit Rao
- Division of Cardiothoracic Critical Care, Department of Pediatrics, University of California, San Diego, Rady Children's Hospital-San Diego, 3030 Children's Way, San Diego, CA 92123, USA
| | - Robin H Steinhorn
- Department of Pediatrics, University of California, San Diego, Rady Children's Hospital-San Diego, 3020 Children's Way, San Diego, CA 92123, USA.
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Matsushita FY, Krebs VLJ, de Campos CV, de Vincenzi Gaiolla PV, de Carvalho WB. Reassessing the role of milrinone in the treatment of heart failure and pulmonary hypertension in neonates and children: a systematic review and meta-analysis. Eur J Pediatr 2024; 183:543-555. [PMID: 37999764 DOI: 10.1007/s00431-023-05342-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 11/14/2023] [Accepted: 11/16/2023] [Indexed: 11/25/2023]
Abstract
To evaluate milrinone's impact on pediatric cardiac function, focusing on its specific role as an inotrope and lusitrope, while considering its systemic and pulmonary vasodilatory effects. Search of PubMed, EMBASE, and the Cochrane Library up to August 2023. We included all studies that evaluated milrinone in children under 18 years old in neonatal, pediatric, or cardiac intensive care units. We excluded case reports, studies that did not provide tabular information on milrinone's outcomes, and studies focused on non-intensive care populations. We extracted data on the research design, objectives, study sample, and results of each study, including the impact of milrinone and any associated factors. We screened a total of 9423 abstracts and 41 studies were ultimately included. Milrinone significantly improved left ventricular ejection fraction (WMD 3.41 [95% CI 0.61 - 6.21]), left ventricle shortening fraction (WMD 4.25 [95% CI 3.43 - 5.08]), cardiac index (WMD 0.50 [95% CI 0.32 to 0.68]), left ventricle output (WMD 55.81 [95% CI 4.91 to 106.72]), serum lactate (WMD -0.59 [95% CI -1.15 to -0.02]), and stroke volume index (WMD 2.95 [95% CI 0.09 - 5.82]). However, milrinone was not associated with improvements in ventricular myocardial performance index (WMD -0.01 [95% CI -0.06 to 0.04]) and ventricular longitudinal strain (WMD -2.14 [95% CI -4.56 to 0.28]). Furthermore, milrinone was not associated with isovolumetric relaxation time reduction (WMD -8.87 [95% CI -21.40 to 3.66]). CONCLUSION Our meta-analysis suggests potential clinical benefits of milrinone by improving cardiac function, likely driven by its systemic vasodilatory effects. However, questions arise about its inotropic influence and the presence of a lusitropic effect. Moreover, milrinone's pulmonary vasodilatory effect appears relatively weaker compared to its systemic actions. Further research is needed to elucidate milrinone's precise mechanisms and refine its clinical applications in pediatric practice. WHAT IS KNOWN • Milrinone is a phosphodiesterase III inhibitor that has been used to treat a variety of pediatric and neonatal conditions. • Milrinone is believed to exert its therapeutic effects by enhancing cardiac contractility and promoting vascular relaxation. WHAT IS NEW • Milrinone may not have a significant inotropic effect. • Milrinone's pulmonary vasodilatory effect is less robust than its systemic vasodilatory effect.
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Affiliation(s)
- Felipe Yu Matsushita
- Department of Pediatrics, Neonatology Division, Faculty of Medicine of the University of São Paulo, Instituto da Criança, Av. Dr. Enéas de Carvalho Aguiar, 647, São Paulo, 05403-000, Brazil.
- Department of Pediatric Cardiology, Faculty of Medicine of the University of São Paulo, Instituto do Coração, São Paulo, Brazil.
- Department of Pediatrics and Neonatology, Hospital Samaritano, São Paulo, São Paulo, Brazil.
| | - Vera Lúcia Jornada Krebs
- Department of Pediatrics, Neonatology Division, Faculty of Medicine of the University of São Paulo, Instituto da Criança, Av. Dr. Enéas de Carvalho Aguiar, 647, São Paulo, 05403-000, Brazil
| | - Carolina Vieira de Campos
- Department of Pediatric Cardiology, Faculty of Medicine of the University of São Paulo, Instituto do Coração, São Paulo, Brazil
| | | | - Werther Brunow de Carvalho
- Department of Pediatrics, Neonatology Division, Faculty of Medicine of the University of São Paulo, Instituto da Criança, Av. Dr. Enéas de Carvalho Aguiar, 647, São Paulo, 05403-000, Brazil
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梁 国, 林 新. [Recent research on inhaled nitric oxide in preterm infants with a gestational age of <34 weeks]. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2023; 25:982-988. [PMID: 37718407 PMCID: PMC10511234 DOI: 10.7499/j.issn.1008-8830.2303146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 07/03/2023] [Indexed: 09/19/2023]
Abstract
Nitric oxide is a messenger molecule for vasodilation of vascular smooth muscle cells, and inhaled nitric oxide (iNO) can dilate pulmonary blood vessels and reduce pulmonary vascular resistance, thereby reducing pulmonary artery pressure, but with no influence on systemic circulation pressure. Guidelines in China and overseas recommend the use of iNO in full-term infants and late preterm infants, and it has been proved that it has a marked effect on persistent pulmonary hypertension and hypoxic respiratory failure in such infants. However, recent studies have shown that there is an increase in the off-label use of iNO in preterm infants with a gestational age of <34 weeks. This article reviews the research progress on the efficacy, safety, timing, dose, and withdrawal mode of iNO and its combination with vasoactive drugs in the treatment of preterm infants with a gestational age of <34 weeks in China and overseas, so as to provide a reference for clinical application.
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Choobdar FA, Shahhosseini P, Vahedi Z, Khosravi N, Khalesi N, Ghassemzadeh M. Comparison of the efficacy of inhaled versus infused milrinone in the management of persistent pulmonary hypertension of the newborn in resource-limited settings: A randomized clinical trial. Pediatr Pulmonol 2023. [PMID: 37133219 DOI: 10.1002/ppul.26451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 04/08/2023] [Accepted: 04/16/2023] [Indexed: 05/04/2023]
Abstract
BACKGROUND The standard treatment for persistent pulmonary hypertension of the newborn (PPHN) is inhaled nitric oxide (iNO), which is not available in Iran. Consequently, other drugs, such as milrinone, are prescribed. So far, no study has investigated the effectiveness of inhaled milrinone in the management of PPHN. The present study aimed to improve the management of PPHN in the absence of iNO. METHODS In this randomized clinical trial, neonates with PPHN, admitted to the neonatal intensive care unit of Hazrat Ali-Asghar and Akbar-Abadi hospitals, were treated with intravenous dopamine infusion and randomly divided into two groups, receiving milrinone through inhalation or infusion rout. The neonates were evaluated by Doppler echocardiography, clinical examinations, and oxygen demand test. The neonates were also evaluated for the clinical symptoms and mortality in the follow-up. RESULTS A total of 31 infants, with a median age of 2 days (interquartile range = 4), were included in this study. There was a significant decrease in the peak systolic and mean pulmonary arterial pressure in both inhalation and infusion groups following milrinone administration, with no significant difference between the groups (p = 0.584 and p = 0.147, respectively). There was no significant difference between the two groups regarding the mean systolic blood pressure before and after treatment. Additionally, diastolic blood pressure was significantly lower in the infusion group after treatment (p = 0.020); however, the amount of reduction was not significantly different between the groups (p = 0.928). Overall, 83.9% of the participants achieved full recovery, 75% of whom were in the infusion group and 93.3% in the inhalation group (p = 0.186). CONCLUSION Milrinone inhalation can have similar effects to milrinone infusion as an adjunct treatment in the management of PPHN. Also, infusion and inhalation of milrinone showed similar safety.
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Affiliation(s)
- Farhad Abolhasan Choobdar
- Department of Pediatrics, School of Medicine, Subspecialty of Neonatal and perinatal medicine, Ali-Asghar Children's Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Peyman Shahhosseini
- Department of Pediatrics, School of Medicine, Ali-Asghar Children's Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Vahedi
- Department of Pediatrics, School of Medicine, Firouzabadi Hospital, Subspecialty of Neonatal and perinatal medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Nastaran Khosravi
- Department of Pediatrics, School of Medicine, Subspecialty of Neonatal and perinatal medicine, Ali-Asghar Children's Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Nasrin Khalesi
- Department of Pediatrics, School of Medicine, Subspecialty of Neonatal and perinatal medicine, Ali-Asghar Children's Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Maral Ghassemzadeh
- Department of Pediatrics, School of Medicine, Hakim Children's Hospital, Subspecialty of Neonatal and perinatal medicine, Tehran University of Medical Sciences, Tehran, Iran
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