Key result
Baseline systolic blood pressure <120 mmHg was associated with increased mortality in years 1 and 2, whereas systolic blood pressure ≥150 mmHg was associated with increased mortality after 3 years.
Why the study?
How does the relationship between blood pressure and mortality change over time in incident hemodialysis patients?
Population
16,959 incident hemodialysis patients treated at Dialysis Clinic Inc. facilities between 1993 and 2003
Comparison
Blood pressure levels (baseline and time-varying) vs Different blood pressure categories
Design
Cohort
Follow-up
Sequential time periods up to ≥ 3 years
Authors
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Time-dependent BP-mortality patterns in incident HD merit cautious monitoring; hypothesis-generating and should not yet change practice.
Cohort (n=16,959)
Yes
How does the relationship between blood pressure and mortality change over time in incident hemodialysis patients?
The relationship between blood pressure and mortality in hemodialysis patients is time-dependent, with low BP increasing early mortality and high BP increasing late mortality.
Stidley et al. (2006) conducted a cohort in Hemodialysis (n=16,959). Blood pressure was evaluated on Atherosclerotic cardiovascular disease and all-cause mortality. Baseline systolic blood pressure <120 mmHg was associated with increased mortality in years 1 and 2, whereas systolic blood pressure ≥150 mmHg was associated with increased mortality after 3 years.
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