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Heart Rate Variability and Phantom Pain in Male Amputees

This study explores the correlation between autonomic nervous system function and phantom limb pain in adult males with amputation. Using heart rate variability analysis, both linear and nonlinear parameters were calculated during a resting heart rate monitoring session. Results indicated decreased linear parameters in most subjects, while nonlinear values remained normal. The study concludes that heart rate variability is not directly related to phantom limb pain, and different physiological factors may influence linear and nonlinear HRV analysis. Linear values suggest cardiovascular risk in individuals with amputation, while nonlinear values indicate normality.

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Heart Rate Variability and Phantom Pain in Male Amputees

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  1. Heart rate variability and phantom pain in male amputees: Application of linear and nonlinear methods Elena Sarabia Cachadiña, PhD; Pablo Granados García, MSci; S. C. Tonon Da Luz, PhD; Rebeca Goya Esteban, MSci; Óscar Barquero Pérez, MSci; J. Naranjo Orellana, PhD; F. J. Berral de la Rosa, PhD

  2. Aim • Correlate autonomic nervous system (ANS) function with phantom-limb pain (PLP) in adult males with amputation. • Relevance • 70% of people with amputation experience PLP. • Cause of PLP lacks scientific evidence. • ANS hypothesized to be involved in mechanism that triggers PLP, but this remains unclear.

  3. Method • Used heart rate variability (HRV) analysis to calculate linear and nonlinear parameters with 35 subjects (27 with PLP) during 10 min of resting heart rate monitoring.

  4. Results • Most subjects showed decreased linear parameters of HRV. • Nonlinear values were normal.

  5. Conclusion • HRV is not implicated in PLP. • Linear and nonlinear methods for HRV analysis might reflect difference physiological phenomena. • While linear values place people with amputation at cardiovascular risk, nonlinear values indicate normality. • Having one amputation is reason enough for the drop of linear parameters of HRV.

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