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[Diagnosis of heart contusions]
P Obruba1, R Splechtna, L Pokorný
1II. chirurgické oddĕlení, Masarykova nemocnice, Ustí n. L.
Insights
Diagnosing heart contusion requires reliable methods. Cardiac troponin I (cTnl) levels and echocardiography are the most accurate for identifying this severe chest injury.
Area of Science:
- Cardiology
- Trauma Medicine
- Diagnostic Imaging
Context:
- Heart contusion is a severe chest injury lacking a standardized diagnostic protocol.
- Accurate diagnosis is crucial for effective patient management and outcomes.
- Previous diagnostic approaches have shown limitations in specificity and reliability.
Purpose:
- To compare the efficacy of various diagnostic methods for heart contusion.
- To evaluate the diagnostic accuracy of serum biomarkers and imaging techniques.
- To establish the most reliable diagnostic procedure for heart contusion.
Summary:
- A study involving 103 patients with severe chest trauma compared serum levels of CKMB/CK, cardiac troponin I (cTnl), ECG, and echocardiography.
- Cardiac troponin I (cTnl) demonstrated the highest diagnostic accuracy (86%), followed by echocardiography (67%).
- Serum levels of CK and CKMB were found to yield frequent false positives, offering limited diagnostic value.
Impact:
- Recommends cardiac troponin I (cTnl) measurement and echocardiography as the primary diagnostic tools for heart contusion.
- Highlights the combined use of cTnl and echocardiography as the most dependable diagnostic strategy.
- Discourages reliance on CK and CKMB levels due to their low specificity in diagnosing heart contusion.
Purpose Of The Study:
Heart contusion is a severe injury for the diagnosis of which there still doesn't exist a uniform procedure. The aim of the work was to compare individual methods and provide opinion on the justification of their use.
Material:
In the period of 1998-2000 at the authors' departments 103 patient were hospitalised with a severe contusion of the chest. These patients were admitted at the department within 24 hours after the injury.
Methods:
The diagnosis was based on the examination of the ratio of CKMB/CK serum levels, cTnl serum level, ECG examination and echocardiography.
Results:
Heart contusion was diagnosed in 18 patients of the group of 103. The most precise diagnostic method proved to be the determination of the serum level of troponin I (success rate 86%) and echocardiographic examination (succes rate 67%).
Conclusions:
Examination of cTnl serum level and echocardiography are the best methods for the determination of the diagnosis of heart contusion. Simultaneous application of these two methods is the most reliable diagnostic procedure. Examination of CK and CKMB serum levels produces often falsely positive results and it is not a contribution to the determination of the diagnosis of heat contusion.