Key result
Predialytic serum potassium levels ≤4.5 mEq/L were associated with a significantly increased risk of cardiovascular death (HR 6.377) compared to levels between 5.0 and 5.5 mEq/L in hemodialysis patients.
Why the study?
Does predialytic serum potassium level affect cardiovascular mortality in maintenance hemodialysis patients?
Cohort (n=260)
No
Does predialytic serum potassium level affect cardiovascular mortality in maintenance hemodialysis patients?
Hazard Ratio: 6.377 (95% CI 2.621–15.52)
p-value: p=<0.001
In maintenance hemodialysis patients, lower predialytic serum potassium levels (≤5.0 mEq/L) are associated with a significantly higher risk of cardiovascular death compared to levels >5.0 mEq/L.
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Omae et al. (2013) conducted a cohort in End-stage renal disease on maintenance hemodialysis (n=260). Low predialytic serum potassium (≤4.5 mEq/L) vs. Predialytic serum potassium 5.0-5.5 mEq/L was evaluated on Cardiovascular death (HR 6.377, 95% CI 2.621-15.52, p=<0.001). Predialytic serum potassium levels ≤4.5 mEq/L were associated with a significantly increased risk of cardiovascular death (HR 6.377) compared to levels between 5.0 and 5.5 mEq/L in hemodialysis patients.
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