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Long-term cardiac sequelae of Kawasaki disease
1Department of Cardiology, Children's Hospital of Boston, 300 Longwood Avenue, Boston, MA 02115, USA. Fulton@cardio.tch.harvard.edu
Insights
Kawasaki disease can cause lasting heart issues in children. Even with treatment, some develop coronary abnormalities requiring lifelong monitoring and management.
Area of Science:
- Pediatric Cardiology
- Immunology
- Vascular Biology
Background:
- Kawasaki disease is a primary cause of acquired heart disease in childhood.
- Intravenous gamma globulin is the standard treatment, but coronary abnormalities persist in 2-4% of patients.
- Coronary artery abnormalities range from mild involvement to giant aneurysms, posing risks for stenosis and myocardial infarction.
Purpose of the Study:
- To outline the spectrum of coronary abnormalities following Kawasaki disease.
- To describe management strategies based on the severity of coronary involvement.
- To highlight the long-term implications and uncertainties of Kawasaki disease on cardiovascular health.
Main Methods:
- Review of clinical management guidelines for Kawasaki disease.
- Analysis of patient outcomes based on coronary artery status.
- Discussion of diagnostic and therapeutic approaches, including imaging and pharmacotherapy.
Main Results:
- Patients with giant aneurysms require aggressive anticoagulation, frequent follow-up with stress testing and angiography, and potentially coronary artery bypass grafting.
- Those with less severe coronary involvement are managed with antiplatelet therapy and less frequent noninvasive testing.
- Patients with normal echocardiograms post-acute phase receive no treatment, but long-term cardiovascular impact remains uncertain.
Conclusions:
- Management of Kawasaki disease-associated coronary abnormalities is stratified by severity.
- Long-term surveillance is crucial, especially considering potential adult-onset coronary artery disease.
- Further research is needed to understand the lifelong cardiovascular risks in affected individuals.
Abstract:
Kawasaki disease is the leading cause of acquired heart disease in childhood. Despite treatment with intravenous gamma globulin, 2% to 4% of patients have coronary abnormalities. Those with giant aneurysms are at risk for stenosis and myocardial ischemia/infarction, and require aggressive anticoagulation with frequent follow-up, including stress testing and coronary angiography. In rare cases, patients will have coronary artery bypass grafting. Those with less severe coronary involvement need antiplatelet therapy and infrequent noninvasive testing. Patients with normal echos after the acute phase are not treated, but the future impact of the disease is not certain particularly in the setting of adult onset coronary artery disease.