Acute cardiac care & resuscitation

Mortality Risk Stratification Utilizing Artificial Intelligence Electrocardiogram for Hyperkalemia in Cardiac Intensive Care Unit Patients

JACC AdvPublished Retrospective cohort study

Authors' conclusion

AI-ECG-based prediction of hyperkalemia, even with a normal laboratory potassium value, was associated with higher in-hospital mortality and lower 1-year survival in CICU patients.

Study context

Population
Mayo Clinic cardiac intensive care unit (CICU) patients with 12-lead electrocardiogram (ECG) and blood K at admission, 2007–2018
Participants
11,234 patients
Exposure
AI-ECG prediction of hyperkalemia vs laboratory K
Outcome
In-hospital mortality
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

In-hospital mortality increased in false-positive, false-negative and true-positive patients, respectively
P < 0.001

Observational data: associations, not effects.

Further findings

Survival to 1 year

Successively lower survival to 1 year in false-positive, false-negative and true-positive patients

Hyperkalemia prevalence · admission

AI-ECG predicted hyperkalemia
33.9% (n = 3,810)
Laboratory-confirmed hyperkalemia (K ≥5 mEq/L)
12.9% (n = 1,451)
Mean laboratory K
4.2 ± 0.3 mEq/L

Original publication

Mortality Risk Stratification Utilizing Artificial Intelligence Electrocardiogram for Hyperkalemia in Cardiac Intensive Care Unit Patients. JACC Adv. Published 21 August 2024. doi:10.1016/j.jacadv.2024.101169

Composed by AI from the published abstract and checked against it. How Briefs are made →

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