• J Trauma Acute Care Surg · Mar 2013

    Comparative Study

    Relationship of creatine kinase elevation and acute kidney injury in pediatric trauma patients.

    • Peep Talving, Efstathios Karamanos, Dimitra Skiada, Lydia Lam, Pedro G Teixeira, Kenji Inaba, Jeffrey Johnson, and Demetrios Demetriades.
    • Division of Acute Care Surgery, Keck School of Medicine, Los Angeles County + University of Southern California Medical Center, Los Angeles, CA 90033Y4525, USA. peep.talving@surgery.usc.edu
    • J Trauma Acute Care Surg. 2013 Mar 1;74(3):912-6.

    BackgroundRhabdomyolysis following trauma has been associated with renal impairment. Nevertheless, the literature is scant in risk assessment of acute kidney injury (AKI) and survival in children experiencing posttraumatic rhabdomyolysis.MethodsAfter institutional review board approval was obtained, the registry of an urban trauma center was reviewed for pediatric (age < 18 years) trauma admissions with available creatine kinase (CK) values. Variables extracted included demographics and trauma severity indices along with serum creatine, CK, and Blood Urea Nitrogen (BUN) values. AKI was defined per pediatric RIFLE (Risk, Injury, Failure, Loss, End stage) definition. Regression models were deployed to determine the independent risk factors for AKI and CK levels.ResultsOverall, 521 patients constituted the study sample. AKI occurred in 70 patients (13.4%), with correlation to CK values in excess of 3,000 IU/L (41.4% vs. 4.9%, adjusted p < 0.001). Independent risk factors for AKI proved to be CK level of 3,000 or greater (adjusted odds ratio [AOR], 11.02; 95% confidence interval [CI], 4.56-26.64; p < 0.001), Injury Severity Score (ISS) of 15 or less (AOR, 0.25; 95% CI, 0.10-0.61), Glasgow Coma Scale (GCS) score of 8 or less (AOR, 15.00; 95% CI, 4.98-44.94), abdominal Abbreviated Injury Scale (AIS) score of 3 or less (AOR, 3.14; 95% CI, 1.04-5.36), imaging studies with contrast of 3 or less (AOR, 3.81; 95% CI, 1.37-10.57), blunt mechanism of injury (AOR, 2.76; 95% CI, 1.17-6.49), administration of nephrotoxic agents (AOR, 4.81; 95% CI, 1.23-18.79), and requirement for fluids administration in the emergency department (AOR, 2.36; 95% CI, 1.04-5.36). Mortality in the study sample with CK values of 3,000 or greater versus less than 3,000 IU/L did not reach statistical significance (25.0% vs. 9.3%, adjusted p = 0.787).ConclusionAKI in pediatric posttraumatic rhabdomyolysis occurs in 13% of trauma patients. CK values of 3,000 IU/L or greater pose a significant adjusted risk for AKI. Aggressive monitoring of CK values in pediatric trauma patients is warranted.Level Of EvidencePrognostic study, level III.

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