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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
Published on: January 28, 2020
Cardiac biomakers for the evaluation of acute coronary syndrome
Luis F Rodriguez-Ospina1, Claudia P Rosales-Alvarez, Alejandro Lopez-Mas
1Cardiology Section, Department of Medicine, VA Caribbean Healthcare System, Puerto Rico. Luis.F.Rodriguez-Ospina@med.va.gov
Insights
Diagnosing myocardial infarction (MI) uses clinical signs, EKG, and cardiac markers. New research seeks more sensitive markers for acute myocardial injury and ischemia, improving diagnosis.
Area of Science:
- Cardiology
- Biomarker Discovery
- Diagnostic Medicine
Background:
- Traditional myocardial infarction (MI) diagnosis relies on clinical presentation, electrocardiogram (EKG) changes, and cardiac biomarkers.
- Clinical variability and non-specific EKG findings necessitate reliable cardiac injury markers for acute coronary syndrome evaluation.
- The 2007 redefined criteria for MI emphasize biomarker changes (troponins, CK-MB) alongside ischemic symptoms or EKG/imaging evidence.
Purpose of the Study:
- To review the established use of cardiac markers in diagnosing myocardial infarction.
- To provide current insights and experimental data on emerging biomarkers for acute myocardial injury.
- To explore novel markers capable of predicting myocardial ischemia.
Main Methods:
- Review of traditional diagnostic criteria for myocardial infarction.
- Analysis of current cardiac biomarker usage in clinical practice.
- Examination of research data on novel and emerging myocardial ischemia markers.
Main Results:
- Cardiac biomarkers, particularly troponins and CK-MB, are crucial for MI diagnosis when combined with clinical or EKG findings.
- Increased interest exists in developing more sensitive and specific markers for acute myocardial injury.
- Ongoing research aims to identify biomarkers that can predict myocardial ischemia.
Conclusions:
- The diagnosis of myocardial infarction integrates clinical, EKG, and biomarker data.
- The pursuit of advanced cardiac markers is essential for earlier and more accurate detection of myocardial injury and ischemia.
- Future research will likely focus on novel biomarkers to enhance diagnostic capabilities in acute coronary syndromes.
Abstract:
The traditional diagnosis of myocardial infarction relies primarily within the exhibited patient's clinical presentation, electrocardiographic changes, and elevation in cardiac markers. Since the clinical presentation can be highly variable and EKG changes are not readily present for all patients, the use of markers of cardiac injury to support the diagnosis of myocardial infarction has become a fundamental part of the evaluation of a patient with suspected acute coronary syndrome. In 2007 the Joint European Society of Cardiology/ American College of Cardiology Committee for the Redefinition of Myocardial Infarction concluded that the main criteria for myocardial infarction should be a rise or fall of cardiac biomarkers (namely cardiac troponins and CK-MB) along with: (1) ischemic symptoms, (2) ischemic changes in EKG, (3) Q waves in EKG, or (4) imaging evidence of loss of myocardial viability or (5) wall motion abnormalities. These changes have increased search interests for more sensitive and specific markers of acute myocardial injury; furthermore, dedicated research has commenced in order to specifically allocate markers that could even predict myocardial ischemia. Therefore this article will review traditional employment of cardiac markers, providing current insight, information and experimental data with respect to emerging markers of myocardial ischemia.
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