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Nutr Metab Cardiovasc Dis. 2014 Jun;24(6):585-7. doi: 10.1016/j.numecd.2014.03.001. Epub 2014 Mar 18.

Potassium-rich diet and risk of stroke: updated meta-analysis.

Author information

1
Department of Clinical Medicine and Surgery, ESH - Excellence Center for Hypertension, "Federico II" University of Naples Medical School, Naples, Italy. Electronic address: lanfranco.delia@unina.it.
2
Department of Clinical Medicine and Surgery, ESH - Excellence Center for Hypertension, "Federico II" University of Naples Medical School, Naples, Italy.

Abstract

Recently a few prospective population studies provided additional and heterogeneous information concerning the reported statistical associations between potassium (K) intake and stroke risk. Therefore, we updated our previous meta-analysis of K intake and risk of cerebrovascular events. Three studies were added to the previous analysis, and the results of the comparison between the event rate in the two extreme categories of K intake were used. Pooled analysis of 14 cohorts (overall 333,250 participants and 10,659 events) showed an inverse and significant association between K intake and risk of stroke (Relative Risk: 0.80; 95% CI: 0.72-0.90). Our results indicated a favorable effect of higher K intake on risk of stroke. These results confirm the appropriateness of worldwide recommendations for a population increased consumption of potassium-rich foods to prevent cardiovascular disease.

KEYWORDS:

Diet; Meta-analysis; Potassium; Stroke

PMID:
24780514
DOI:
10.1016/j.numecd.2014.03.001
[Indexed for MEDLINE]

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