Journal
CLINICAL PSYCHOLOGY REVIEW
Volume 46, Issue -, Pages 136-150Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cpr.2016.04.013
Keywords
Depression; Depressive symptoms; Vagal activity; Heart rate variability; Children; Adolescents
Categories
Funding
- FAPESP
- Brazilian research funding institution in the state of Sao Paulo
- Medical Faculty of the University of Heidelberg
- Daimler and Benz Foundation (Ladenburg, Germany)
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Among adults, depression is associated with reduced vagal activity, as indexed by high frequency heart rate variability [HF-HRV]), which correlates inversely with depression severity. Available evidence in depressed children and adolescents remains to be reviewed systematically. A search of the literature was performed to identify studies reporting (i) HF-HRV in clinically depressed children/adolescents relative to controls (k = 4, n = 259) and (ii) the association between HF-HRV and depressive symptoms as measured by standardized psychometric instruments in children and adolescents (k = 6, n = 2625). Random-effects meta-analysis on group differences revealed significant effects that were associated with a moderate effect size (Hedges' g = -0.59; 95% CI [-1.05; -0.13]), indicating lower resting state HF-HRV among clinically depressed children/adolescents (n = 99) compared to healthy controls (n = 160), consistent with findings among adults. While no correlation between HF-HRV and depressive symptom severity was observed (r = -.041 [-0.143; 0.062]), these additional correlational findings are limited to non-clinical samples. Findings have important clinical implications including a potentially increased risk for future physical ill health and also the identification of potential new treatment targets in child and adolescent depression. (C) 2016 Elsevier Ltd. All rights reserved.
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