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[Heart rate variability--physiology, methods of registration and application in pediatric sleep laboratory]
A Patzak1, R Mrowka, S Springer
1Institut für Physiologie, Humboldt-Universität zu Berlin, Bundesrepublik Deutschland. andreas.patzak@charite.de
Insights
Heart rate variability (HRV) is a measurable parameter used in pediatric clinical settings. Further research is needed to establish uniform interpretation criteria for HRV in infants and children.
Area of Science:
- Pediatric Cardiology
- Autonomic Nervous System Research
- Biomedical Signal Analysis
Context:
- Heart rate variability (HRV) is increasingly utilized in pediatric clinical practice.
- Established applications in adults include diabetic neuropathy and post-myocardial infarction prognosis.
- Current pediatric uses involve sleep disorders, life-threatening events, and SIDS risk assessment.
Purpose:
- To summarize current knowledge on HRV in infants and children.
- To discuss the clinical relevance of pediatric HRV.
- To present technical requirements and analysis methods impacting HRV parameters.
Summary:
- HRV is a readily recordable parameter with established adult clinical uses.
- Pediatric applications of HRV are expanding, particularly in sleep and critical care.
- Lack of uniform interpretation criteria hinders widespread clinical adoption in pediatrics due to incomplete physiological understanding.
Impact:
- Highlights the need for standardized HRV interpretation in pediatric populations.
- Provides a foundation for future research into HRV's role in child health.
- Informs clinicians and researchers on technical considerations for accurate HRV analysis in children.
Abstract:
Heart rate variability (HRV) has become the focus of interest of a multitude of investigations being a parameter that can easily be recorded. Accepted clinical indications in adults include evaluation of diabetic neuropathy and prediction of prognosis after myocardial infarction in adults. In children, HRV is regularly being registered in the pediatric sleep laboratory in sleep related breathing disorders, after apparent life threatening events, or in infants with assumed increased risk for sudden infant death syndrome. However, uniform interpretation criteria have not been established in these situations, at least partially due to insufficient understanding of physiology and pathophysiology of HRV in this age group. In this overview, current knowledge on HRV in infants and children is summarized and its clinical relevance discussed. In addition, technical requirements and methods of analysis which have a major impact on calculated parameters are being presented.