Key result
High adolescent anxiety linked to lower HRV, with girls also showing reduced complexity.
Why the study?
Do sex and anxiety symptomatology affect heart rate variability and complexity in adolescents?
Population
95 adolescents, categorized by sex and anxiety symptomatology
Comparison
High anxiety symptomatology and female sex vs Low anxiety symptomatology and male sex
Design
Cross-sectional
Authors
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May indicate autonomic vulnerability in anxious adolescents and girls; leaves open longitudinal validation before clinical use.
Cross-Sectional (n=95)
Do sex and anxiety symptomatology affect heart rate variability and complexity in adolescents?
Adolescent girls and highly anxious adolescents exhibit lower heart rate variability and complexity, suggesting a less flexible cardiac system that may indicate vulnerability to anxiety disorders.
Fiol‐Veny et al. (2018) conducted a cross-sectional in Anxiety symptomatology (n=95). High anxiety symptomatology and female sex vs. Low anxiety symptomatology and male sex was evaluated on Heart rate variability and complexity. Highly anxious adolescents had lower heart rate variability than the low-anxiety group, and girls showed lower heart rate variability and complexity than boys.
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