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Correlation Between Heart Rate Variability and Phantom Pain in Male Amputees

This study examines the correlation between heart rate variability (HRV) and phantom limb pain (PLP) in adult males with amputation. Linear and nonlinear HRV analysis was conducted on 35 subjects, revealing decreased linear parameters in most subjects with PLP. Interestingly, nonlinear values appeared normal, indicating that HRV may not be directly implicated in PLP. The findings suggest that while linear HRV values may indicate cardiovascular risk for amputees, nonlinear values could signify normal autonomic function. This study sheds light on the complexity of physiological phenomena in amputees and emphasizes the importance of understanding ANS function in managing PLP.

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Correlation Between 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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