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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
Published on: January 28, 2020
Biomarkers in angina
1Dept Chemical Pathology, Cardiology, St George's Hospital and Medical School, London, UK.
Insights
Atherothrombotic disease, starting as angina, can lead to myocardial infarction. Biomarkers like B-type natriuretic peptide and ischemia-modified albumin show promise for predicting cardiac events and early ischemia detection.
Area of Science:
- Cardiology
- Vascular Biology
- Biomarker Research
Background:
- Angina is the initial symptomatic stage of atherothrombotic disease, preceding myocardial infarction.
- Plaque development is linked to traditional risk factors, with progression driven by plaque destabilization and rupture.
- Inflammatory markers like C-reactive protein predict cardiac events, but B-type natriuretic peptide is a potent predictor of cardiovascular mortality.
Purpose of the Study:
- To review the continuum of atherothrombotic disease from angina to myocardial infarction.
- To highlight the role of inflammatory markers and peptide hormones in disease progression and risk stratification.
- To identify promising biomarkers for early detection of myocardial ischemia.
Main Methods:
- Literature review of atherothrombotic disease progression.
- Analysis of the predictive value of inflammatory markers and cardiac biomarkers.
- Evaluation of emerging markers for ischemia detection.
Main Results:
- B-type natriuretic peptide is identified as the most powerful predictor of cardiovascular mortality, reflecting its role in cardiac neuroendocrine integration.
- Ischemia-modified albumin shows potential as a marker for early ischemia detection upon presentation.
- The progression from plaque rupture to myocardial ischemia and infarction is a continuous process.
Conclusions:
- Understanding the continuum of atherothrombotic disease is crucial for risk stratification and intervention.
- Biomarkers play a key role in predicting cardiovascular events and guiding clinical management.
- Ischemia-modified albumin represents a promising avenue for early diagnosis of myocardial ischemia.
Abstract:
Angina represents the earliest stage of symptomatic atherothrombotic disease and is part of the continuum that ultimately results in myocardial infarction. Development of plaque is related to conventional risk factors. The progression to active disease occurs as a result of plaque destabilisation and rupture. This is a continuous process with clinically apparent disease occurring when there are multiple episodes of plaque rupture. Elevation of inflammatory markers including C reactive protein is predictive of the risk of development of cardiac events. However, it appears that B type natriuretic peptide is single most powerful predictor of cardiovascular mortality. This probably reflects its role as the integrator of the cardiac neuroendocrine system and marker of global cardiac performance. Progression of disease to occlusion will initially produce myocardial ischaemia, which may then progress to infarction. Ischaemia modified albumin is currently the most promising of the markers for early detection of ischaemia at first presentation.
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