• Paul A Checchia, James A Moynihan, and Lance Brown.
• Department of Pediatrics, Division of Critical Care, Washington University School of Medicine, St Louis Children's Hospital, St Louis, MO 63110, USA. pchecchia@wustl.edu
• Pediatr Emerg Care. 2006 Apr 1;22(4):222-5.

BackgroundIt is difficult to predict ultimate survivors to hospital discharge in children who are successfully resuscitated after a cardiorespiratory arrest associated with a submersion injury. Serum measurements of organ injury or dysfunction may serve as a surrogate marker of the degree of hypoxic injury. We designed a prospective study whose purpose was to assess the predictive value for outcome of serum cardiac troponin I measurements after submersion injury and cardiorespiratory arrest.MethodsThis is a prospective, observational study of children admitted to a postintensive care unit after experiencing an out-of-hospital cardiorespiratory arrest associated with a submersion event. Cardiac troponin I measurements were examined upon admission to the postoperative intensive care unit after successful emergency department resuscitation.ResultsNine patients were admitted, and 2 patients (22%) survived to hospital discharge. The area under the receiver operating characteristic curve is 0.786 (95% confidence interval, 0.481-1.0). This suggests that cardiac troponin I has a moderate degree of discriminatory power in selecting children who did not survive to hospital discharge.

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