Admission serum potassium concentration and long-term mortality in patients with acute myocardial infarction: Results from the MONICA/KORA myocardial infarction registry
BMC Cardiovascular Disorders, ISSN: 1471-2261, Vol: 17, Issue: 1, Page: 198
2017
- 11Citations
- 25Captures
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Metrics Details
- Citations11
- Citation Indexes11
- 11
- CrossRef6
- Captures25
- Readers25
- 25
Article Description
Background: Conflicting with clinical practice guidelines, recent studies demonstrated that serum potassium concentrations (SPC) of ≥4.5 mEq/l were associated with increased mortality in patients with acute myocardial infarction (AMI). This study examined the association between SPC and long-term mortality following AMI in patients recruited from a population-based registry. Methods: Included in the study were 3347 patients with AMI aged 28-74 years consecutively hospitalized between 1 January 2000 and 31 December 2008 and followed up until 31 December 2011. Patients were categorized into five SPC groups (<3.5, 3.5 to <4.0, 4.0 to <4.5, 4.5 to <5.0, and ≥5.0 mEq/l). The outcome of the study was all-cause mortality. Cox regression models adjusted for risk factors, co-morbidities and in-hospital treatment were constructed. Results: In our study population, 249 patients (7.4%) had a low SPC (<3.5 mEq/l) and 134 (4.0%) patients had a high SPC (≥5.0 mEq/l). Patients with SPC of ≥5.0 mEq/l had the highest long-term mortality (29.9%) and in the adjusted model, their risk of dying was significantly increased (HR 1.46, 95% CI 1.03 to 2.07) compared to patients with SPC between 4.0 and <4.5 mEq/l. Analyses of increasing observation periods showed a trend towards a higher risk of dying in patients with SPC between 4.5 and <5.0 mEq/l. Conclusion: An admission SPC of ≥5.0 mEq/l might be associated with an increased mortality risk in patients with AMI. Patients with an admission SPC between 4.5 and <5.0 mEq/l might have an increased mortality risk in the first few years following AMI.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85025456659&origin=inward; http://dx.doi.org/10.1186/s12872-017-0635-x; http://www.ncbi.nlm.nih.gov/pubmed/28738785; http://bmccardiovascdisord.biomedcentral.com/articles/10.1186/s12872-017-0635-x; https://dx.doi.org/10.1186/s12872-017-0635-x; https://bmccardiovascdisord.biomedcentral.com/articles/10.1186/s12872-017-0635-x
Springer Science and Business Media LLC
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