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Update on cardiac sarcoidosis
Jian Liang Tan1, Bryan E-Xin Tan2, Jim W Cheung3
1Division of Cardiovascular Disease, Cooper University Health Care/Cooper Medical School of Rowan University, Camden, New Jersey.
Insights
Cardiac sarcoidosis, an inflammatory heart condition, presents varied symptoms and is often missed. This review details diagnostic criteria and management strategies for this challenging disease.
Area of Science:
- Cardiology
- Immunology
- Pathology
Background:
- Cardiac sarcoidosis is an inflammatory myocardial disease of unknown origin.
- Characterized by non-caseating granulomas, it can affect any cardiac region.
- Underdiagnosis is common due to heterogeneous clinical presentations.
Purpose of the Study:
- To review current evidence on cardiac sarcoidosis.
- To focus on diagnostic criteria and management strategies.
- To provide a stepwise approach for clinicians.
Main Methods:
- Literature review of available evidence on cardiac sarcoidosis.
- Analysis of diagnostic criteria, including Heart Rhythm Society (HRS) 2014 and Japanese Ministry of Health and Welfare criteria.
- Summary of clinical manifestations and diagnostic approaches.
Main Results:
- Common clinical manifestations include atrioventricular block, ventricular arrhythmias, and heart failure.
- Definitive diagnosis requires histology from endomyocardial biopsy, but clinical presentation and advanced imaging are often used due to low biopsy sensitivity.
- Established criteria like HRS 2014 are crucial for diagnosis.
Conclusions:
- Cardiac sarcoidosis diagnosis relies on a combination of clinical, imaging, and histological findings.
- Adherence to established diagnostic criteria is essential for timely and accurate diagnosis.
- A structured, stepwise management approach is necessary for patients with cardiac sarcoidosis.
Abstract:
Cardiac sarcoidosis is an inflammatory myocardial disease of unknown etiology. It is characterized by the deposition of non-caseating granulomas that may involve any part of the heart. Cardiac sarcoidosis is often under-diagnosed or recognized partly due to the heterogeneous clinical presentation of the disease. The three most frequent clinical manifestations of cardiac sarcoidosis are atrioventricular block, ventricular arrhythmias, and heart failure. A definitive diagnosis of cardiac sarcoidosis can be made with histology findings from an endomyocardial biopsy. However, the diagnosis in the majority of cases is based on findings from the clinical presentation and advanced imaging due to the low sensitivity of endomyocardial biopsy. The Heart Rhythm Society (HRS) 2014 expert consensus statement and the Japanese Ministry of Health and Welfare criteria are the two most commonly used diagnostic criteria sets. This review article summarizes the available evidence on cardiac sarcoidosis, focusing on the diagnostic criteria and stepwise approach to its management.
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