Key result
Occupational lead exposure in men was associated with a higher mean heart rate (85.8 vs 72.6 bpm, P<0.05) and increased premature supraventricular and ventricular contractions.
Why the study?
Does occupational exposure to lead increase electrocardiographic abnormalities and heart rhythm disorders in men without clinical cardiac involvement?
Observational (n=105)
Does occupational exposure to lead increase electrocardiographic abnormalities and heart rhythm disorders in men without clinical cardiac involvement?
Absolute Event Rate: 85.8% vs 72.6%
p-value: p=<0.05
Occupational lead exposure is associated with increased subclinical heart rhythm disorders and decreased heart rate variability, suggesting a potential role for noninvasive ECG screening in this population.
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May warrant ECG monitoring in exposed workers; hypothesis-generating for causality in prospective studies.
Poręba et al. (2011) conducted an observational in Occupational lead exposure (n=105). Occupational lead exposure vs. Healthy controls was evaluated on Mean heart rate (bpm) (p=<0.05). Occupational lead exposure in men was associated with a higher mean heart rate (85.8 vs 72.6 bpm, P<0.05) and increased premature supraventricular and ventricular contractions.
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