Key result
Lower standard deviation of NN intervals (SDNN) was associated with an increased 8-year risk of cardiovascular disease in occupational bus drivers (HR 1.87; 95% CI 1.11-3.13).
Why the study?
This study evaluated the effectiveness of noninvasive heart rate variability analysis to assess the risk of cardiovascular disease over a period of 8 years.
Does heart rate variability analysis predict the risk of new-onset cardiovascular disease in occupational drivers?
Population
161 drivers with CVD and 627 without from the Taiwan Bus Driver Cohort Study
Comparison
Lower vs higher HRV indices including median split for SDNN
Design
Cohort study
Follow-up
8 years
Authors
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May support HRV monitoring for risk stratification in drivers; leaves open whether targeting SDNN improves outcomes.
Cohort (n=788)
Does heart rate variability analysis predict the risk of new-onset cardiovascular disease in occupational drivers?
Effect estimate: HR 1.87 (95% CI 1.11-3.13)
Lower standard deviation of NN intervals (SDNN) and low-frequency (LF) levels are associated with an increased 8-year risk of cardiovascular disease, particularly hypertensive disease, in occupational drivers.
Wang et al. (2021) conducted a cohort in Cardiovascular disease (n=788). Heart rate variability (HRV) analysis (SDNN index) vs. Higher SDNN (median split) was evaluated on New-onset cardiovascular disease (HR 1.87, 95% CI 1.11-3.13). Lower standard deviation of NN intervals (SDNN) was associated with an increased 8-year risk of cardiovascular disease in occupational bus drivers (HR 1.87; 95% CI 1.11-3.13).
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