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Treatment of cardiac sarcoidosis
Vasileios Kouranos1, Athol U Wells1, Rakesh Sharma2
1Interstitial Lung Disease Unit.
Insights
Managing cardiac sarcoidosis is complex due to diagnostic challenges and varied presentations. Early recognition and treatment of cardiac sarcoidosis are crucial to prevent sudden cardiac death and improve patient outcomes.
Area of Science:
- Cardiology
- Pulmonology
- Immunology
Background:
- Cardiac sarcoidosis presents diagnostic challenges and variable outcomes.
- While some cases have benign prognoses, cardiac sarcoidosis significantly increases morbidity, mortality, and sudden cardiac death risk.
- Disease activity and fibrosis extent correlate with higher mortality rates.
Purpose of the Study:
- To review management principles for cardiac sarcoidosis.
- To evaluate the efficacy of sarcoidosis-specific and cardiac-specific therapies.
- To discuss treatments for cardiac dysfunction and rhythm disturbances in sarcoidosis.
Main Methods:
- Literature review focusing on management strategies and therapeutic efficacy.
- Analysis of historical data and recent findings in cardiac sarcoidosis treatment.
- Examination of advanced imaging's role in diagnosis and treatment guidance.
Main Results:
- Historical mortality rates for cardiac sarcoidosis were high (5-year ~60%), but have improved with modern therapies.
- Anti-inflammatory, heart failure, and antiarrhythmic treatments, along with device implantation, enhance survival.
- Advanced imaging aids diagnosis and treatment decisions, though optimal screening and risk stratification remain undefined.
Conclusions:
- Effective management of cardiac sarcoidosis requires timely recognition and aggressive treatment.
- While treatments have improved outcomes, further research is needed for optimal screening and risk stratification.
- Personalized treatment strategies are essential for patients with cardiac sarcoidosis.
Purpose Of Review:
In sarcoidosis, the appropriate management strategy remains challenging especially because of the lack of confident diagnosis, considerable variability in initial presentation, disease evolution, and outcome. Although asymptomatic patients with limited cardiac involvement have been described to have a benign outcome, cardiac sarcoidosis is associated with high morbidity and mortality and even sudden cardiac death in a significant proportion of patients. Higher morbidity and mortality can be related with both the disease activity and extent of fibrosis.
Recent Findings:
Historical series suggested a 5-year mortality rate of 60% in patients with cardiac sarcoidosis. This has definitely improved with the appropriate use of anti-inflammatory medications as well as heart failure treatment, antiarrhythmic medication and device implantation. Timely recognition and vigorous initial approach is essential in avoiding life-threatening arrhythmias and sudden cardiac death. Advanced imaging modalities have proven to be helpful in the diagnostic approach and guiding treatment decisions. However, there is no optimal screening and risk stratification strategy available and further studies are required to determine, which patients would benefit from the available treatments.
Summary:
This review concentrates on the broad principles of management in cardiac sarcoidosis and the efficacy of sarcoidosis-specific medication and cardiac-specific therapies for cardiac dysfunction and rhythm disturbances.
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