Lag effects of temperature and other meteorological parameters on heart failure events were limited but present.
We measured the lag effects of temperature, relative humidity, atmospheric pressure and fine particulate matter (PM2.5) on hospitalizations and deaths for heart failure in elderly diagnosed with this disease on a 10-year period in the province of Quebec, Canada.
We observed an increased risk of hospitalizations and deaths for heart failure with a decrease in the average temperature of the 3 and 7 days before the event.
An increase in atmospheric pressure in the previous 7 days was also associated with a higher risk of having a heart failure negative outcome,
No association was found with relative humidity and with PM2.5 regardless of the lag period.
Lag effects of temperature and other meteorological parameters on HF events were limited but present
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Dr. Parker’s Commentary
As a resident of sub-arctic Alaska, weather affects things in an extreme way. There is evidence, for instance that heart attacks are likely to occur and be more severe in winter.
I suspect that the influence of the light on the circadian rhythm is also a major factor in heart health, but I have not seen any studies of this.
This was a large study, with over 100,000 people in the cohort. The results seem logical and legitimate.
Everybody complains about the weather, but nobody does anything about it.
-Charles Dudley Warner-