Why the study?
Hyperkalemia has been linked to increased mortality in myocardial infarction, but few data exist regarding hyperkalemia in cardiac intensive care unit patients.
Does admission hyperkalemia predict increased mortality in unselected cardiac intensive care unit patients?
Population
9681 unselected CICU patients
Comparison
Hyperkalemia vs hypokalemia vs normokalemia
Design
Retrospective historical cohort study
Authors
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Admission hyperkalemia was associated with higher CICU mortality; hypothesis-generating and requires prospective confirmation before practice change.
Does admission hyperkalemia predict increased mortality in unselected cardiac intensive care unit patients?
Hyperkalemia on admission to the CICU is an independent predictor of both in-hospital and postdischarge mortality, highlighting its utility as a risk marker.
Brueske et al. (2019) studied this question.
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