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Enzer KG, Baker CD, Wisniewski BL. Bronchopulmonary Dysplasia. Clin Chest Med 2024; 45:639-650. [PMID: 39069327 DOI: 10.1016/j.ccm.2024.03.007] [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: 07/30/2024]
Abstract
Bronchopulmonary dysplasia (BPD) is a chronic lung disease, associated with premature birth, that arises during the infantile period. It is an evolving disease process with an unchanged incidence due to advancements in neonatal care which allow for the survival of premature infants of lower gestational ages and birth weights. Currently, there are few effective interventions to prevent BPD. However, careful attention to BPD phenotypes and comprehensive care provided by an interdisciplinary team have improved care. Interventions early in the disease course hold promise for improving long-term survival and outcomes in adulthood for this high-risk population.
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Affiliation(s)
- Katelyn G Enzer
- Department of Pediatrics, Section of Pulmonary and Sleep Medicine, University of Colorado School of Medicine, 13123 East 16th Avenue Box B-395, Aurora, CO 80045, USA.
| | - Christopher D Baker
- Department of Pediatrics, Section of Pulmonary and Sleep Medicine, University of Colorado School of Medicine, 13123 East 16th Avenue Box B-395, Aurora, CO 80045, USA
| | - Benjamin L Wisniewski
- Department of Pediatrics, Section of Pulmonary and Sleep Medicine, University of Colorado School of Medicine, 13123 East 16th Avenue Box B-395, Aurora, CO 80045, USA
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Horne RS, Harrewijn I, Hunt CE. Physiology during sleep in preterm infants: Implications for increased risk for the sudden infant death syndrome. Sleep Med Rev 2024; 78:101990. [PMID: 39116607 DOI: 10.1016/j.smrv.2024.101990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 07/14/2024] [Accepted: 07/26/2024] [Indexed: 08/10/2024]
Abstract
Approximately 15 million babies are born preterm (<37 weeks of completed gestation) worldwide annually. Although neonatal and perinatal medicine have contributed to the increased survival rate of preterm newborn infants, premature infants are at increased risk of mortality in the first years of life. Infants born preterm are at four times the risk of Sudden Infant Death Syndrome (SIDS) compared to infants born at term. SIDS is believed to be multifactorial in origin. The Triple Risk hypothesis has been proposed to explain this. The model suggests that when a vulnerable infant, such as one born preterm, is at a critical but unstable developmental period in homeostatic control, death may occur if exposed to an exogenous stressor, such as being placed prone for sleep. The highest risk period is at ages 2-4 months, with 90 % of deaths occurring before 6 months. The final pathway to SIDS is widely believed to involve some combination of immature cardiorespiratory control and a failure of arousal from sleep. This review will focus on the physiological factors which increase the risk for SIDS in preterm infants and how these factors may be identified and potentially lead to effective preventative strategies.
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Affiliation(s)
| | | | - Carl E Hunt
- Uniformed Services University, Bethesda, MD, USA
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Dai HR, Guo HL, Hu YH, Xu J, Ding XS, Cheng R, Chen F. Precision caffeine therapy for apnea of prematurity and circadian rhythms: New possibilities open up. Front Pharmacol 2022; 13:1053210. [PMID: 36532766 PMCID: PMC9753576 DOI: 10.3389/fphar.2022.1053210] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 11/18/2022] [Indexed: 09/10/2024] Open
Abstract
Caffeine is the globally consumed psychoactive substance and the drug of choice for the treatment of apnea of prematurity (AOP), but its therapeutic effects are highly variable among preterm infants. Many of the molecular underpinnings of the marked individual response have remained elusive yet. Interestingly, the significant association between Clock gene polymorphisms and the response to caffeine therapy offers an opportunity to advance our understanding of potential mechanistic pathways. In this review, we delineate the functions and mechanisms of human circadian rhythms. An up-to-date advance of the formation and ontogeny of human circadian rhythms during the perinatal period are concisely discussed. Specially, we summarize and discuss the characteristics of circadian rhythms in preterm infants. Second, we discuss the role of caffeine consumption on the circadian rhythms in animal models and human, especially in neonates and preterm infants. Finally, we postulate how circadian-based therapeutic initiatives could open new possibilities to promote precision caffeine therapy for the AOP management in preterm infants.
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Affiliation(s)
- Hao-Ran Dai
- Pharmaceutical Sciences Research Center, Department of Pharmacy, Children’s Hospital of Nanjing Medical University, Nanjing, China
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Hong-Li Guo
- Pharmaceutical Sciences Research Center, Department of Pharmacy, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Ya-Hui Hu
- Pharmaceutical Sciences Research Center, Department of Pharmacy, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Jing Xu
- Pharmaceutical Sciences Research Center, Department of Pharmacy, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Xuan-Sheng Ding
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Rui Cheng
- Neonatal Intensive Care Unit, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Feng Chen
- Pharmaceutical Sciences Research Center, Department of Pharmacy, Children’s Hospital of Nanjing Medical University, Nanjing, China
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Kaditis A, Gozal D. Sleep Studies for Clinical Indications during the First Year of Life: Infants Are Not Small Children. CHILDREN 2022; 9:children9040523. [PMID: 35455567 PMCID: PMC9025263 DOI: 10.3390/children9040523] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 03/09/2022] [Indexed: 11/16/2022]
Affiliation(s)
- Athanasios Kaditis
- Division of Pediatric Pulmonology, First Department of Pediatrics, National and Kapodistrian University of Athens School of Medicine, 115 27 Athens, Greece
- Cystic Fibrosis Department, Agia Sofia Children’s Hospital, 115 27 Athens, Greece
- Division of Pediatric Pulmonology, Pediatric Sleep Center, Department of Child Health, University of Missouri School of Medicine and MUHC Children’s Hospital, Columbia, MO 65201, USA;
- Correspondence:
| | - David Gozal
- Division of Pediatric Pulmonology, Pediatric Sleep Center, Department of Child Health, University of Missouri School of Medicine and MUHC Children’s Hospital, Columbia, MO 65201, USA;
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Plancoulaine S, Guyon A, Inocente CO, Germe P, Zhang M, Robert P, Lin JS, Franco P. Cerebrospinal Fluid Histamine Levels in Healthy Children and Potential Implication for SIDS: Observational Study in a French Tertiary Care Hospital. Front Pediatr 2022; 10:819496. [PMID: 35450108 PMCID: PMC9016218 DOI: 10.3389/fped.2022.819496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 03/09/2022] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVE A defect of the waking systems could constitute a factor of vulnerability for sudden infant death syndrome (SIDS). A decrease in orexin levels, which promotes wakefulness and activates histaminergic neurons (another hypothalamic wake-promoting system) has already been demonstrated between 2 and 6 months. This work aims to study the levels of histamine (HA), tele-methylhistamine (t-MeHA), its direct metabolite, and t-MeHA/HA ratio in the cerebrospinal fluid (CSF) of healthy children, to evaluate the maturation of the histaminergic system and its possible involvement in SIDS. METHODS Seventy Eight French children between 0 and 20 years (48.7% boys) were included, all of whom had a clinical indication for lumbar puncture, but subsequently found to be normal. Measurements of HA and t-MeHA in CSF were performed by reverse phase liquid chromatography coupled to mass spectrometry detection. Statistical analyses were performed using Spearman correlations and Non-parametric pairwise ranking tests. RESULTS A negative correlation was found between age and CSF HA (r = -0.44, p < 10-4) and t-MeHA (r = -0.70, p < 10-4) levels. In pairwise comparisons, no difference in CSF HA and t-MeHA levels was observed between youngest age groups (i.e., 0-2 mo vs. 3-6 mo), but CSF HA and t-MeHA levels were significantly lower in older children (i.e., >6 mo vs. 0-6 mo). The CSF HA decrease with age was only observed in boys, who also presented global lower CSF HA levels than girls. CONCLUSION CSF HA and t-MeHA levels decrease with age in boys, and global levels are lower in boys than in girls. These results reveal changes in histaminergic transmission and metabolism during maturation. Whether lower CSF histamine values in boys compared to girls could contribute to their higher risk of SIDS warrants further research.
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Affiliation(s)
| | - Aurore Guyon
- Integrative Physiology of the Brain Arousal System, CRNL, INSERM-U1028, CNRS UMR5292, University Lyon 1, Lyon, France.,Bioprojet Biotech, Saint-Grégoire, France
| | - Clara-Odilia Inocente
- Integrative Physiology of the Brain Arousal System, CRNL, INSERM-U1028, CNRS UMR5292, University Lyon 1, Lyon, France
| | - Philippine Germe
- Integrative Physiology of the Brain Arousal System, CRNL, INSERM-U1028, CNRS UMR5292, University Lyon 1, Lyon, France
| | - Min Zhang
- Integrative Physiology of the Brain Arousal System, CRNL, INSERM-U1028, CNRS UMR5292, University Lyon 1, Lyon, France
| | | | - Jian-Sheng Lin
- Integrative Physiology of the Brain Arousal System, CRNL, INSERM-U1028, CNRS UMR5292, University Lyon 1, Lyon, France
| | - Patricia Franco
- Integrative Physiology of the Brain Arousal System, CRNL, INSERM-U1028, CNRS UMR5292, University Lyon 1, Lyon, France.,Pediatric Sleep Unit, Hôpital Femme Mère Enfant, Hospices Civils de Lyon, University Lyon 1, Lyon, France
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