Calcified aneurysms in coronary arteries of a 48-year-old patient – ScienceOpen
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      Calcified aneurysms in coronary arteries of a 48-year-old patient

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          Abstract

          This is a case report of a 48-year-old female patient with a compatible history of Kawasaki disease during childhood, who was admitted to the emergency coronary unit with unstable angina pectoris. Coronary angiography identified two coronary aneurysms, one causing right coronary occlusion and the other causing severe obstruction of the left anterior descending coronary artery. Coronary artery bypass surgery was indicated.

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          Long-term consequences of Kawasaki disease. A 10- to 21-year follow-up study of 594 patients.

          The long-term consequences of the cardiovascular sequelae in Kawasaki disease remain uncertain. We identified 594 consecutive children with acute Kawasaki disease between 1973 and 1983, and this cohort was followed up for 10 to 21 years (mean, 13.6 years). In all patients, we evaluated coronary lesions by coronary angiography just after the acute stage. One hundred and forty-six patients (24.6%) were diagnosed as having coronary aneurysms. A second angiogram was performed 1 to 2 years later in all 146 patients who previously had coronary aneurysms, which demonstrated that 72 (49.3%) of these 146 had regression in the coronary aneurysm. A third angiogram was performed for 62 patients, a fourth for 29, and a fifth for 17. By 10 to 21 years after the onset of the illness, stenosis in the coronary aneurysm had developed in 28 patients. Myocardial infarction occurred in 11 patients, 5 of whom died. In the 26 patients with giant coronary aneurysms, stenotic lesions developed in 12, and no regression occurred. The 448 patients with normal findings at the first angiogram subsequently never developed any abnormal cardiac findings. Systemic artery aneurysms developed in 13 patients (2.2%), and valvular heart disease appeared in 7 (1.2%). The incidence of coronary aneurysm in acute Kawasaki disease was 25%, 55% of which showed regression. During follow-up, ischemic heart disease developed in 4.7% and myocardial infarction in 1.9%. Death occurred in 0.8%.
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            Sequelae of Kawasaki disease in adolescents and young adults.

            Kawasaki disease is an acute vasculitis of unknown etiology that predominantly affects children <5 years of age. Structural damage to the coronary arteries after the acute, self-limited illness is detected by echocardiography in approximately 25% of untreated patients. The long-term effects of the acute coronary arteritis are unknown. To define the spectrum of clinical disease in young adults that can be attributed to Kawasaki disease in childhood, we performed a retrospective survey of cases reported in the English and Japanese published data of adult coronary artery disease attributed to antecedent Kawasaki disease. The mean age at presentation with cardiac sequelae was 24.7 +/- 8.4 years (range 12 to 39) for the 74 patients identified with presumed late sequelae of Kawasaki disease. Symptoms at the time of presentation with cardiac sequelae included chest pain/myocardial infarction (60.8%), arrhythmia (10.8%) and sudden death (16.2%). These symptoms were precipitated by exercise in 82% of patients. One-third of the patients in whom a chest radiograph was taken had ring calcification. Angiographic findings included coronary artery occlusion (66.1%). Extensive development of collateral vessels was reported in 44.1% of patients. Autopsy findings included coronary artery aneurysms (100%) and coronary artery occlusion (72.2%). The acute vasculitis of Kawasaki disease can result in coronary artery damage and rheologic changes predisposing to thrombus formation or progressive atherosclerotic changes that may remain clinically silent for many years. Coronary artery aneurysms and calcification on chest radiography were unusual features in this group of patients. A history of antecedent Kawasaki disease should be sought in all young adults who present with acute myocardial infarction or sudden death.
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              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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                Author and article information

                Journal
                abc
                Arquivos Brasileiros de Cardiologia
                Arq. Bras. Cardiol.
                Sociedade Brasileira de Cardiologia - SBC (São Paulo, SP, Brazil )
                0066-782X
                1678-4170
                March 2001
                : 76
                : 3
                : 258-260
                Affiliations
                [01] Passo fundo RS orgnameUniversidade de Passo Fundo orgdiv1Faculdade de Medicina Brasil
                Article
                S0066-782X2001000300009 S0066-782X(01)07600309
                11262576
                b56e46ab-8ac3-46f4-80f6-50195db73818

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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