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J Korean Soc Emerg Med > Volume 13(1); 2002 > Article
Journal of The Korean Society of Emergency Medicine 2002;13(1): 1-4.
The Value of (99m) Tc-MIBI-Heart SPECT in Myocardial Contusion
Jung Ho Shin, Hyuk Jun Yang, Keun Lee, Sun Sik Min, Seok Ran Yeom, Jae Kwang Kim, Yong Su Lim, Wook JIn, Sung Youl Hyun
1Department of Emergency Medicine, Gachon Medical College, Incheon, Korea. yanghj@ghil.com
2Department of Diagnostic Radiology, Gachon Medical College, Incheon, Korea.
3Department of Thoracic Surgery, Gachon Medical College, Incheon, Korea.
ABSTRACT
PURPOSE:
This study analyzed the value of (99m)Tc - M I B I SPECT(Single Photon Emission Com-puted Tomography) in the diagnosis of myocardial contusion after blunt chest trauma .
METHODS:
We evaluated 24 patients with cardiac contusions after blunt chest trauma who were diagnosed by clinical symptoms, chest x-ray, electrocardiogram(ECG), and Creatine phospho-kinase(CPK). (99m)Tc-MIBI SPECT was performed within 48 hours along with the above tests prospectively.
RESULTS:
1. Among the 24 patients, 14 patients were finally diagnosed as having a myocardial contusion by means of ECG, echocardiography, (99m)Tc-MIBI SPECT, and cardiac enzyme. 2. The sensitivity, specificity and accuracy of (99m)Tc - MIBI SPECT were 46.7%, 66.7%, and 54.2%, respectively. The same results for initial ECG were 46.6%, 88.9%, and 62.5%. 3. For those who had positive findings in (99m)Tc - MIBI SPECT, average hospital stay was 14.5 days and abnormal electrocardiogram was found in 90.0%. However, for those who had negative findings, average hospital stay was 11.2 days and abnormal electrocardiogram was found in 35.7%.
CONCLUSION:
(99m)Tc-MIBI SPECT is not a definite modality in diagnosing myocardial contusion, but can be useful in diagnosing and determining the need for hospitalization after cardiac contusion.
Key words: Myocardial contusion, (99m)Tc-MIBI SPECT
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