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Late-appearing brachiocephalic aneurysm: an atypical vascular sequella of Kawasaki disease
Gaby Yang1, Deborah Thompson, Andrew Warren
1Division of Pediatric Cardiology, Department of Pediatrics, IWK Health Centre, Dalhousie University, P.O. Box 9700, Halifax, NS, Canada, B3K 6R8.
Insights
Kawasaki disease (KD) can cause arterial aneurysms, sometimes appearing late and outside the coronary arteries. Careful vascular screening is crucial for complicated KD cases to detect these serious, potentially distant, arterial issues.
Area of Science:
- Cardiovascular Medicine
- Pediatric Rheumatology
- Vascular Biology
Background:
- Kawasaki disease (KD) is a leading cause of acquired pediatric heart disease.
- It primarily affects medium-sized arteries, with coronary artery aneurysms being a common and serious sequela.
- Early diagnosis and treatment are crucial to prevent cardiovascular complications.
Observation:
- This case report details a patient with Kawasaki disease presenting with an atypical, late-appearing brachiocephalic artery aneurysm.
- The aneurysm was discovered significantly after the acute phase of the illness.
- This finding highlights that aneurysms in KD are not limited to the coronary arteries.
Findings:
- Kawasaki disease can lead to arterial aneurysms in locations beyond the coronary arteries.
- Aneurysms may manifest late in the disease course, even in patients with initially uncomplicated KD.
- The brachiocephalic artery is a potential site for KD-associated aneurysms.
Implications:
- Standard surveillance protocols for Kawasaki disease may need to be expanded.
- A comprehensive vascular survey is recommended for patients with complicated KD.
- Early detection of aneurysms in unusual locations can prevent severe complications like thrombosis and ischemia.
Abstract:
Kawasaki disease (KD) is an acute vasculitis that can result in cardiovascular sequelae. One of the most serious consequences of KD is the development of arterial aneurysms that can lead to thrombosis and ischemia. Commonly, these lesions, occurring early in the course of KD, are found in the coronary arteries. However, this location is not exclusive. This report presents a case of KD with atypical findings of a late-appearing brachiocephalic artery aneurysm. The authors suggest that for patients with complicated KD, surveillance should include a careful vascular survey to discover aneurysms distant from the heart.
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