Blood Pressure Response to Patterns of Weather Fluctuations and Effect on Mortality
Why the study?
Does blood pressure response to weather fluctuations affect mortality in patients with hypertension?
Population
16,010 patients with hypertension from the Glasgow Blood Pressure Clinic (>169,000 clinic visits)
Comparison
Weather fluctuations alternating between extreme… vs Weather remaining in the same quartile (Qn-Qn)
Design
Cohort
Authors
Discussion
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Member takes
Implication
Temperature sensitivity was associated with higher mortality in hypertension; leaves open whether it is a modifiable risk factor.
Structured PICO
Does blood pressure response to weather fluctuations affect mortality in patients with hypertension?
P
Population
16,010 patients with hypertension from the Glasgow Blood Pressure Clinic (>169,000 clinic visits)
I
Intervention
Weather fluctuations alternating between extreme quartiles (Q1-Q4 or Q4-Q1) of temperature, sunshine, and rainfall
C
Comparator
Weather remaining in the same quartile (Qn-Qn)
O
Outcome
Longitudinal blood pressure changes and mortalityhard clinical
Blood pressure sensitivity to temperature fluctuations is associated with increased mortality and may contribute to long-term blood pressure variability in hypertensive patients.
Cite This Study
Aubinière-Robb et al. (2013) studied this question.