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Power spectrum analysis and cardiovascular morbidity in anxiety disorders

Authors
Journal
Autonomic Neuroscience
1566-0702
Publisher
Elsevier
Publication Date
Volume
128
Identifiers
DOI: 10.1016/j.autneu.2005.06.007
Keywords
  • Heart Rate Variability (Hrv)
  • Power Spectrum Analysis (Psa)
  • Autonomic Nervous System (Ans)
  • Anxiety Disorder
  • Cardiovascular Diseases
Disciplines
  • Medicine

Abstract

Abstract Spectral analysis of heart rate variability (HRV) and related measures has been shown to be a reliable noninvasive technique enabling quantitative assessment of cardiovascular autonomic regulatory responses to autonomic regulatory mechanisms; it provides a dynamic probe of sympathetic and parasympathetic tone, reflecting the interactions between the two. Over 20 studies reported abnormalities of HRV in anxiety, and patients with heart disease and anxiety are at increased risk for morbidity and mortality. Psychiatric drugs partly correct abnormalities of HRV and, recently, autonomic drugs (β-blockers) have been studied in anxiety disorders. The authors call for further studies, especially in patients with co-existing anxiety disorders and heart disease, incorporating assessment of HRV.

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