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  • Title: Blunt cardiac injury in children.
    Author: Tellez DW, Hardin WD, Takahashi M, Miller J, Galvis AG, Mahour GH.
    Journal: J Pediatr Surg; 1987 Dec; 22(12):1123-8. PubMed ID: 3440897.
    Abstract:
    Thirty-nine children admitted to the pediatric intensive care unit with multiple injuries from blunt trauma underwent serial EKGs, determination of creatinine phosphokinase (CPK) isoenzymes, echocardiography, and radionuclide angiography studies. Motor vehicle injuries were responsible for 83% (32 of 39) of admissions, the remainder (7 of 39) caused by falls from heights. Thirteen children sustained serious (Modified Injury Severity Score [MISS] greater than 25) multiple system injury. Chest injuries were sustained by 12 children, nine being serious thoracic injuries (MISS chest score greater than 2). Three children (7.7%) showed elevations of MB fraction of CPK isoenzymes in addition to EKG abnormalities and/or ejection fraction depression on radionuclide angiography and were considered to have sustained cardiac contusion. Eight other children (20%) had normal or borderline elevation of CPK-MB fraction and EKG abnormalities combined with abnormal echocardiograms or radionuclide angiograms, and were considered to have sustained cardiac concussion. An additional 14 children (36%) had EKG or radionuclide angiography abnormalities alone. Two children required lidocaine therapy for cardiac irritability manifesting as multifocal PVCs and ventricular tachycardia. Based on this study, a comprehensive diagnostic evaluation of the heart in all children sustaining multiple injuries from blunt trauma cannot be justified. Continuous cardiac monitoring should be initiated in the emergency room and maintained throughout intensive care unit confinement to identify transient dysrhythmias. In patients with significant dysrhythmias and in those with obvious thoracic injuries serial EKG and cardiac isoenzyme assay should be obtained. Dysrhythmias should be man-aged with appropriate anti-arrhythmic therapy.(ABSTRACT TRUNCATED AT 250 WORDS)
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