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[Studies on fatigue and shift work in nurses].

S Fujiwara1

  • 1Department of Hygiene, Ehime University School of Medicine.

Sangyo Igaku. Japanese Journal of Industrial Health
|May 1, 1992
PubMed
Summary
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Even one night shift can disrupt hospital nurses' autonomic nervous-adrenal system, altering circadian rhythms and increasing fatigue. This suggests longer recovery periods are needed after night shifts to mitigate adverse health effects.

Area of Science:

  • Occupational Health
  • Endocrinology
  • Physiology

Context:

  • Shift work is prevalent in healthcare, potentially impacting nurses' well-being.
  • The autonomic nervous-adrenal system plays a crucial role in stress response and circadian regulation.
  • Understanding the physiological effects of shift work is vital for healthcare worker health.

Purpose:

  • To investigate the impact of day, evening, and night shifts on hospital nurses' physiological parameters.
  • To assess changes in the autonomic nervous-adrenal system markers (catecholamines, cortisol) and subjective fatigue.
  • To explore the relationship between physical activity, heart rate, and urinary catecholamines during different shifts.

Summary:

  • Night shift work, unlike day or evening shifts, led to elevated plasma adrenaline and suppressed plasma cortisol levels in nurses.

Related Experiment Videos

  • Physiological parameters showed no significant pre- to post-shift changes, but heart rate, blood pressure, and fatigue tended to increase at the start of night shifts.
  • Night shifts disrupted the correlation between physical activity (walk steps) and physiological responses (heart rate, urinary adrenaline), indicating altered circadian rhythms and potential psychological load.

    • Impact:

    • Findings suggest that even a single night shift can alter autonomic nervous-adrenal activity and circadian rhythms in nurses.
    • The study highlights the need for extended recovery intervals between night shifts to support nurse health and well-being.
    • Results underscore the importance of managing shift work schedules to minimize physiological stress on healthcare professionals.