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Related Experiment Video

Updated: Feb 19, 2026

Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
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Hyperkalemia in Combat Casualties: Implications for Delayed Evacuation.

Ian J Stewart1, Brian D Snow2, Michael S Clemens3

  • 1David Grant USAF Medical Center, 101 Bodin Circle, Travis Air Force Base, CA 94535.

Military Medicine
|November 1, 2017
PubMed
Summary
This summary is machine-generated.

Hyperkalemia occurred in 5.8% of critically injured combat casualties. Acute kidney injury and shock index were independent risk factors, necessitating proactive management strategies for prolonged evacuations.

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Area of Science:

  • Trauma critical care
  • Combat casualty management
  • Renal medicine

Background:

  • Delayed complications of trauma, like hyperkalemia, were managed with renal replacement therapies during rapid evacuations.
  • Future conflicts may involve prolonged evacuation times, increasing the risk of hyperkalemia in combat casualties.

Purpose of the Study:

  • To quantify the risk of hyperkalemia in combat casualties due to potentially prolonged evacuation times.
  • To identify incidence and risk factors for hyperkalemia in critically injured military personnel.

Main Methods:

  • Retrospective study of 1,472 critically injured military members admitted to ICUs in Iraq and Afghanistan (2002-2011).
  • Data collected included demographics, injury severity, burn injury, mechanism of injury, vital signs, creatinine, and potassium.
  • Logistic regression models were used to determine hyperkalemia incidence and associated risk factors.

Main Results:

  • Hyperkalemia was present in 5.8% of the analyzed patient cohort.
  • Patients with hyperkalemia exhibited higher injury severity scores and shock index.
  • Acute kidney injury and shock index were significantly associated with hyperkalemia development in multivariate analysis.

Conclusions:

  • Hyperkalemia affects 5.8% of critically injured combat casualties.
  • Acute kidney injury and shock index are independent predictors of hyperkalemia.
  • Developing mitigation strategies for hyperkalemia is crucial for future conflicts with extended evacuation timelines.