J Korean Soc Traumatol.  2011 Jun;24(1):31-36.

Correlation Between Pulmonary Contusion and Myocardial Contusion in Patients with Multiple Injuries

Affiliations
  • 1Department of Emergency Medicine, Pusan National University Yangsan Hospital, Korea.
  • 2Department of Emergency Medicine, Pusan National University Hospital, Korea. seokrany@yahoo.com
  • 3Department of Emergency Medicine, Dong-A University Hospital, Korea.

Abstract

PURPOSE
This study was conducted to evaluate the correlations among pulmonary contusion severity, trauma score and cardiac troponin I (cTnI) level.
METHODS
We prospectively evaluated patients with multiple injuries who had been admitted to the emergency department (ED) from July 2007 to July 2008. We first measured the total creatinine kinase (CK), the MB fraction of CK (CK-MB), TnI, and myoglobin within 2 hours after the injury. We then checked the electrocardiogram, x-ray, and computed tomography (CT) results. Finally, we assessed the injuries as variables and then compared the results for patients with elevated TnI levels (group A) and patients whose TnI levels fell within the normal range (group B).
RESULTS
Eighty-six of the 92 patients admitted to the ED were enrolled. The pulmonary contusion score (PCS) was well correlated with PaO2/FiO2. TnI levels were correlated with PCS. When TnI levels were above 0.86 ng/ml, the mortality was estimated with 100% sensitivity and 86.1% specificity.
CONCLUSION
Pulmonary contusion severity is correlated with TnI level. When the PCS is high and the cTnI level is elevated in multiple-injury patients, we recommend continuous cardiac monitoring and further evaluation.

Keyword

Troponin I; Multiple injuries; Injury severity score; Cardiac contusion; Pulmonary contusion

MeSH Terms

Contusions
Creatinine
Electrocardiography
Emergencies
Humans
Injury Severity Score
Multiple Trauma
Myoglobin
Phosphotransferases
Prospective Studies
Reference Values
Troponin I
Creatinine
Myoglobin
Phosphotransferases
Troponin I
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