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Updated: Jul 9, 2025

Psychophysiological Stress Assessment Using Biofeedback
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Psychophysiological Stress Assessment Using Biofeedback

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Effect of cardiovascular biofeedback on nursing staff stress: a randomized controlled clinical trial

Andréia Barcellos Teixeira Macedo1, Edwing Alberto Urrea Vega1, Liliana Antoniolli1

  • 1Universidade Federal do Rio Grande do Sul. Porto Alegre, Rio Grande do Sul, Brazil.

Revista Brasileira De Enfermagem
|December 6, 2023
PubMed

Insights

Cardiovascular biofeedback did not reduce self-reported stress in nurses but improved heart rate variability. This suggests biofeedback may help regulate the autonomic nervous system as a complementary therapy.

Area of Science:

  • Cardiovascular biofeedback
  • Nursing staff well-being
  • Autonomic nervous system regulation

Background:

  • Healthcare professionals, particularly nurses, experience high levels of work-related stress.
  • Effective stress management strategies are crucial for maintaining nursing staff health and performance.
  • Previous research indicates biofeedback may influence physiological stress responses.

Purpose of the Study:

  • To evaluate the impact of cardiovascular biofeedback on stress levels in nursing staff.
  • To compare the effects of biofeedback with a non-self-monitoring activity.
  • To assess changes in both subjective stress and physiological markers.

Main Methods:

  • A randomized controlled trial involving 115 nursing professionals from a university hospital.
  • Intervention group: cardiovascular biofeedback (n=58). Control group: online puzzle without self-monitoring (n=57).
  • Nine sessions over three weeks, assessing stress scales and heart rate variability (HRV).

Main Results:

  • Cardiovascular biofeedback did not significantly alter self-reported stress symptoms or work-related stress.
  • A statistically significant effect of time was observed in all heart rate variability indicators (p<0.050).
  • HRV demonstrated changes across sessions, indicating physiological adaptation.

Conclusions:

  • Cardiovascular biofeedback shows promise for improving physiological stress markers in nursing staff.
  • It may serve as a complementary therapy to enhance autonomic nervous system regulation.
  • Further research is warranted to explore its clinical application in healthcare settings.
Abstract

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