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Recognition and management of Kawasaki disease
R K Han1, B Sinclair, A Newman
1Division of Cardiology, University of Toronto, Ont.
Insights
Kawasaki disease is a critical cause of acquired heart disease in children. Early diagnosis and prompt treatment are vital to prevent serious cardiac complications like coronary artery aneurysms.
Area of Science:
- Pediatrics
- Cardiology
- Immunology
Background:
- Kawasaki disease is the primary cause of acquired heart disease in children globally.
- Coronary artery aneurysms affect up to 25% of untreated cases.
- Diagnosis relies on outdated clinical criteria, complicating early identification.
Purpose of the Study:
- To highlight the challenges in diagnosing Kawasaki disease.
- To emphasize the link between delayed diagnosis and cardiac complications.
- To advocate for increased diagnostic suspicion and prompt referral.
Main Methods:
- Analysis of Canadian hospital discharge data (1990-1995).
- Review of diagnostic criteria and clinical presentation of Kawasaki disease.
- Examination of factors influencing diagnosis timeliness and cardiac outcomes.
Main Results:
- Mean annual incidence of Kawasaki disease in Canada is approximately 13 per 100,000 children under 5.
- Nonspecific and evolving clinical features impede timely diagnosis.
- Delayed diagnosis, particularly in older children, increases the risk of coronary artery aneurysms.
Conclusions:
- Prompt diagnosis and treatment are crucial for preventing cardiac sequelae.
- High clinical suspicion is essential for early detection of Kawasaki disease.
- Timely referral significantly reduces the incidence of coronary artery aneurysms.
Abstract:
Kawasaki disease is the leading cause of acquired heart disease in children in the developed world, with coronary artery aneurysms occurring in up to 25% of untreated cases. The mean annual incidence of Kawasaki disease across Canada is about 13 per 100,000 children less than 5 years of age, based on hospital discharge data from 1990 to 1995. The cause remains unknown, and the diagnosis is based on the same clinical criteria used to describe the disease over 30 years ago. However, nonspecific clinical features, evolving presentations and atypical or incomplete presentations make early diagnosis and timely treatment difficult. Delays in diagnosis and treatment, which occur more frequently in older children, are associated with an increased risk of coronary artery aneurysms. Hence, high diagnostic suspicion and prompt referral are required to reduce the rate of cardiac complications.