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Aim

Heart rate variability and phantom pain in male amputees: Application of linear and nonlinear methods.

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Aim

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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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