Primary cardio myopathy clinical analysis of 74 cases 1. congestive cardio myopathy

Chen, H.; Jiang, L.; He, M.

Chinese Medical Journal (English Edition) 92(8): 558-564


ISSN/ISBN: 0366-6999
Accession: 006182536

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Of 74 cases of primary cardiomyopathy seen over 20 yr, 52 (70.2%) were diagnosed as congestive cardiomyopathy, 14 (19%) as obstructive cardiomyopathy and 8 (10.8%) as restrictive cardiomyopathy. The 52 cases (37 males and 15 females) of congestive cardiomyopathy are analyzed. Of these, 26 were admitted for heart failure, 24 for cardiac arrhythmia, 1 for cardiogenic shock and 1 for cardiac enlargement. Roentgenologic examination revealed enlargement of heart shadow in 48 cases. ECG displayed sinus rhythm in 44 cases in which various cardiac arrhythmias appeared on and off and ectopic rhythm in 8. Thromboemboli phenomena were seldom seen. The hospital fatality rate was high, being 42.3% among cases with heart failure and 8.3% among cases of cardiac arrhythmia. The etiology of this disease is unknown. The prognosis was poor in cases with congestive heart failure. The mean duration of cardiac enlargment prior to onset of symptoms was 4.5 yr. Differential diagnosis between congestive cardiomyopathy and pericardial effusion and coronary, rheumatic, pulmonary and congenital heart diseases are emphasized. Maintaining heart function in the compensatory stage is considered effective in the prevention of this disorder. Treatment is usually palliative, consisting of rapid-acting glucosides and diuretics.