HISTOPATHOLOGICAL CRITERIA OF MYOCARDITIS : A Study Based on Normal Heart, Chagasic Heart and Dilated Cardiomyopathy : The 53th Annual Scientific Session of the Japanese Circulation Society

概要

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This work is a detailed study of the relevance of three sets of criteria to define myocarditis: Dallas meeting criterion, Edwards criterion and Dallas meeting criterion modified by the authors. Two groups were evaluated: normal autopsied hearts and endomyocardial biopsy from chronic chagasic patients at high risk of having myocarditis. Furthermore, endomyocardial biopsies from patients with dilated cardiomyopathy (DCM) were also evaluated . Applying the Edwards criterion, incidences of myocarditis in normal and chagasic hearts were 0% and 67% while with Dallas meeting criterion they were 0% and 42% and using our criterion the incidences were 0% and 92% respectively. In endomyocardial biopsies from DCM patients, the incidence of myocarditis was 7% with Edwards criterion, 22% with Dallas meeting and 33% with the authors own criterion. The authors concluded that their criterion, which defines myocarditis as the presence of inflammatory mononuclear cells enclosing more than 2 lymphocytes/400X aggregated to the cardiac fiber sarcolemma, is the most appropriate criterion of the three. Myocarditis was found in 33% of the 27 endomyocardial biopsy specimens from patients with DCM.
社団法人日本循環器学会の論文
1990-04-20