[Diagnostic and Therapeutic Implications of Elevated Plasma Troponin in Acute Exacerbated Chronic Obstructive
C Pizarro1, F Jansen1, N Werner1
1Universitätsklinikum Bonn, Medizinische Klinik und Poliklinik II - Kardiologie, Pneumologie, Angiologie.
Insights
Elevated troponin in acute exacerbated chronic obstructive pulmonary disease (AECOPD) indicates myocardial damage. A standardized approach is needed to manage cardiac issues and prevent overlooking myocardial infarction in AECOPD patients.
Area of Science:
- Cardiology
- Pulmonology
- Biomarkers
Background:
- Cardiovascular comorbidities are common in COPD, increasing morbidity and mortality.
- Elevated cardiac troponin in AECOPD suggests myocardial damage, often due to inflammation.
- Causes include myocardial infarction (Type 1 and 2) and heart failure, lacking a standard diagnostic approach.
Purpose of the Study:
- To propose a diagnostic and therapeutic algorithm for AECOPD patients with elevated troponin.
- To address the multifactorial etiology of troponin release in AECOPD.
- To highlight the need for a standardized management strategy.
Main Methods:
- Literature review to develop a diagnostics and therapeutics algorithm.
- Utilizing clinical presentation, ECG, echocardiogram, and troponin dynamics for risk stratification.
- Evaluating the timing for invasive coronary strategies.
Main Results:
- Clinical and imaging data, along with troponin levels, are effective risk stratifiers.
- These parameters aid in evaluating and timing invasive coronary procedures.
- The study provides a framework for managing elevated troponin in AECOPD.
Conclusions:
- A standardized approach for elevated troponin in AECOPD is essential.
- Frequent co-occurrence of coronary heart disease necessitates careful evaluation.
- Standardization helps prevent the oversight of Type 1 myocardial infarction.
Aims:
Cardiovascular comorbid conditions are frequent in chronic obstructive pulmonary disease (COPD) and substantially influence morbidity and mortality. Elevated plasma levels of cardiac troponin have been detected in up to 74 % of patients with acute exacerbated COPD (AECOPD), pointing at concomitant myocardial damage that can primarily be ascribed to systemic inflammatory processes. The mechanisms promoting troponin release in AECOPD are manifold and comprise: type 1 myocardial infarction as a consequence of intraluminal thrombus formation, type 2 myocardial infarction due to an imbalance between myocardial oxygen supply and demand, as well as right and left heart failure. Given its multifactorial aetiology, no standardized diagnostic and therapeutic approach are as yet available.
Material And Methods:
On the basis of current literature, we propose a potential diagnostics and therapeutics algorithm for AECOPD patients with elevated troponin levels.
Results:
Clinical presentation, electro- and echocardiogram, as well as cardiac troponin levels and their dynamics represent sufficient risk stratifiers that permit evaluation and timing of invasive coronary strategy.
Conclusion:
The necessity for a standardized approach to elevated troponin during AECOPD arises from the frequent presence of concomitant coronary heart disease and the potential risk of oversight of type 1 myocardial infarction.
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