Why the study?
Does shift work increase the frequency of premature complexes and alter heart rate variability compared to daytime work in new employees?
Population
71 subjects starting a new job in integrated circuit or waste incinerator plants
Comparison
Shift work vs Daytime work
Design
Cohort
Follow-up
1 year
Authors
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May increase PVC frequency in shift workers; hypothesis-generating for arrhythmogenic CV risk, pending prospective confirmation.
Does shift work increase the frequency of premature complexes and alter heart rate variability compared to daytime work in new employees?
Shift work is associated with an increased frequency of premature ventricular complexes over 1 year, suggesting increased arrhythmogeneity as a potential mechanism for elevated cardiovascular risk in this population.
Amelsvoort et al. (2001) studied this question.
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