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[Vasculitides of the coronary arteries]
1II. interná klinika Lekárskej fakulty Univerzity Komenského v Bratislave.
Insights
Coronary vasculitis, inflammation of heart arteries, can cause myocardial ischemia and infarction. Early diagnosis and treatment are crucial, especially in young patients lacking atherosclerosis risk factors.
Area of Science:
- Cardiovascular Medicine
- Rheumatology
- Immunology
Context:
- Myocardial ischemia and infarction stem from oxygen supply-demand imbalance in the heart.
- Coronary artery blood supply can be compromised by various underlying conditions.
- Coronary vasculitis represents a significant, often overlooked, cause of insufficient blood flow to the heart.
Purpose:
- To elucidate the clinical presentations of coronary vasculitides.
- To outline diagnostic strategies for coronary vasculitis.
- To discuss therapeutic interventions for affected patients.
Summary:
- This study reviews coronary artery involvement in various vasculitic syndromes, including infectious angiitis, Takayasu's arteritis, giant cell arteritis, and others.
- It emphasizes suspecting coronary vasculitis in patients with primary or secondary vasculitis presenting with chest pain or heart failure.
- The differential diagnosis of coronary vasculitis is highlighted for young patients with coronary artery disease signs, particularly when atherosclerosis risk factors are absent.
Impact:
- Enhances clinical suspicion for coronary vasculitis in specific patient populations.
- Promotes timely diagnosis and intervention, potentially preventing severe cardiac events.
- Contributes to a better understanding of vasculitis as a cause of ischemic heart disease.
Abstract:
It is generally accepted that myocardial ischemia, and its extreme consequence, acute myocardial infarction, can result from transient or permanent disproportion between myocardial oxygen demand and coronary artery blood supply. Insufficient coronary artery blood supply may have many reasons. The aim of the study is to point to the clinical features of the coronary vasculitides as well as to the diagnostic and therapeutic possibilities. Coronary artery involvement in infectious angiitis, in Takayasu's arteritis, in granulomatous giant cell arteritis, in thromboangiitis obliterans, in polyarteritis nodosa, in Wegener's granulomatosis and in Churg--Strauss syndrome is discussed. The diagnosis of coronary vasculitis must be supposed in every patient with primary or secondary vasculitis in whom chest pain or cardiac failure appear. In young patients with clinical, electrocardiographic or laboratory signs of coronary artery disease, especially in absence of risk factors for atherosclerosis, the diagnosis of coronary vasculitis must be considered in differential diagnosis. (Fig. 4, Tab. 1, Ref. 32.).