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Am J Cardiol. 1982 May;49(7):1758-66.

Fate of coronary aneurysms in Kawasaki disease: serial coronary angiography and long-term follow-up study.


Between January 1973 and December 1979, 290 patients with Kawasaki disease were evaluated with coronary angiography after the acute stage of illness. Of these patients, 43 (15 percent) were diagnosed as having coronary aneurysms. Forty-two patients have been followed up for an average of 4 years (range 15 months to 8 years). One 8 month old girl died of myocardial infarction after 4 months of illness. Follow-up coronary angiography was performed in 42 patients 5 to 18 months after the acute illness. Four groups can be distinguished. Group I: In 21 (50 percent) of 42 patients angiography showed that the coronary aneurysms had regressed, so that no observable lesions were seen. During convalescence, electrocardiography, exercise stress testing and thallium scintigraphy were within normal limits. In the other 21 patients abnormal findings persisted on follow-up angiography. Group II: Ten patients showed persistent coronary aneurysms, although reduced in size. Group III: In seven patients the aneurysms had disappeared, but complete obstruction or marked stenosis of coronary arteries was found. Group IV: In four patients, irregularities of the coronary arterial wall without stenosis were seen. Among patients with abnormal angiographic findings myocardial infarction and mitral regurgitation were also seen. Early initiation of aspirin therapy aneurysms show regression on angiography in 1 or 2 years in about half of patients. The remaining patients are at risk for ischemic heart disease. Thus, Kawasaki disease should be considered an important cause of ischemic heart disease in children and a possible risk factor of premature coronary atherosclerosis.

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