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Shift working and cardiovascular health.

Amir Gohari1, Darrin Wiebe1,2, Najib Ayas1,2

  • 1Department of Medicine, University of British Columbia, Vancouver, Canada.

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|June 8, 2021
PubMed
Summary
This summary is machine-generated.

Shift work disrupts sleep, increasing risks for obesity, diabetes, and cardiovascular disease. Circadian misalignment in shift workers, especially those with obstructive sleep apnea (OSA), exacerbates these health problems.

Keywords:
Shift workingcardiometabolic diseasecardiovascular healthnight workobstructive sleep apneasleep deficiency

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Area of Science:

  • Cardiovascular Health
  • Sleep Medicine
  • Occupational Health

Background:

  • Adequate sleep is crucial for cardiovascular health.
  • Shift work often leads to inadequate sleep due to circadian misalignment and irregular schedules.
  • Consequences of inadequate sleep include daytime sleepiness, cognitive decline, and metabolic disturbances.

Purpose of the Study:

  • To examine the impact of shift work on cardiovascular health.
  • To investigate the adverse consequences of inadequate sleep in shift workers.
  • To explore the potentiating effect of circadian misalignment on cardiometabolic risk in obstructive sleep apnea (OSA) patients.

Main Methods:

  • Review of existing literature on shift work, sleep, and cardiovascular health.
  • Analysis of physiological changes associated with circadian misalignment and sleep deprivation.
  • Examination of the interaction between shift work, OSA, and cardiometabolic risk.

Main Results:

  • Shift workers experience inadequate sleep, leading to obesity, diabetes, hypertension, and increased cardiovascular disease risk.
  • Circadian misalignment in shift workers causes decreased sleep duration and increased wakefulness during displaced sleep.
  • Shift work may worsen cardiometabolic risk in OSA patients via autonomic nervous system dysfunction.

Conclusions:

  • Habitual sleep deprivation and physiological changes in shift workers significantly increase cardiovascular disease risk.
  • Circadian misalignment in shift workers potentiates cardiometabolic risk, particularly in those with OSA.
  • Addressing sleep issues in shift workers is critical for mitigating cardiovascular and metabolic health risks.