Cases reported "Myocarditis"

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1/105. Postpartum onset of acute heart failure possibly due to postpartum autoimmune myocarditis. A report of three cases.

    autoimmune diseases, especially autoimmune thyroid disease, frequently develop after delivery due to the immune rebound mechanism. Most cases have transient dysfunction of affected organs. Cardiac dysfunction developed after delivery is called postpartum or peripartum cardiomyopathy. However, the aetiology of the disease is not clarified yet. Here we report three cases that developed acute heart failure in the postpartum period. One was complicated with an atrioventricular block and postpartum autoimmune thyroiditis. All patients recovered to normal cardiac function or pre-attack condition after 1 month of therapy with conventional drugs and bed rest. All three had positive antiheart antibody detected by indirect immunofluorescence assay, and one had antibody to heart myosin detected by enzyme-linked immunosorbent assay. Moreover, one of two patients examined revealed lymphocytic infiltration by endomyocardial biopsy. antibodies to 26 viruses were not elevated significantly during the first 2 weeks after admission in any case. It is strongly suggested that heart failure is induced by postpartum autoimmune myocarditis, and thus clinicians should be aware of this disease.
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keywords = cardiomyopathy
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2/105. parvovirus B19 infection associated with myocarditis following adult cardiac transplantation.

    A 56-year-old woman underwent an uneventful cardiac transplantation due to dilated cardiomyopathy. One week later the patient developed clinical and histological signs of myocarditis. We report for the first time a case of myocarditis in an adult heart transplant recipient, possibly induced by parvovirus B19, as evidenced by the finding of specific IgM in serum and specific dna in the myocardial cells. Furthermore, this is the first time parvovirus B19 dna has been observed in the myocardium of an adult. In conclusion, parvovirus B19 should be recognized as a potential pathogen causing myocarditis in heart transplant recipients. In order to establish a definite and rapid diagnosis, a search for specific IgM should be supplemented with PCR investigations of serum and myocardial biopsies when available.
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keywords = cardiomyopathy
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3/105. The spectrum of dilated cardiomyopathy. The Johns Hopkins experience with 1,278 patients.

    This report describes the evaluation of 1,278 patients referred to The Johns Hopkins Hospital with dilated cardiomyopathy. After a careful history and physical examination, selected laboratory tests, and endomyocardial biopsy, a specific diagnosis was made in 49% of cases. In 16% of cases the biopsy demonstrated a specific histologic diagnosis. myocarditis and coronary artery disease were the most frequent specific diagnoses; 51% of patients were classified as idiopathic. Thus a rigorous and systematic search can demonstrate an underlying cause for approximately one-half of patients with unexplained cardiomyopathy. Endomyocardial biopsy plays a crucial role in this evaluation. Six cases are presented which demonstrate the utility of endomyocardial biopsy in specific clinical situations. In addition to its routine use in monitoring rejection in heart transplant recipients, endomyocardial biopsy is indicated in the evaluation of possible infiltrative cardiomyopathy, in differentiating restrictive cardiomyopathy from constrictive pericarditis, and in diagnosing and monitoring doxorubicin cardiotoxicity. The importance of diagnosing myocarditis remains controversial, and disagreement persists about the utility of immunosuppressive therapy in these patients. A combination of clinical and histologic features can divide patients with myocarditis into 4 subgroups--acute, fulminant, chronic active, and chronic persistent. This classification provides prognostic information and may identify those patients who may respond to immunosuppression, as well as those likely to have adverse outcomes from such treatment. The continued development of novel molecular techniques may allow endomyocardial biopsy to provide greater prognostic and therapeutic information in the future.
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ranking = 8
keywords = cardiomyopathy
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4/105. Dynamic outflow obstruction due to the transient extensive left ventricular wall motion abnormalities caused by acute myocarditis in a patient with hypertrophic cardiomyopathy: reduction in ventricular afterload by disopyramide.

    A 65-year-old woman was admitted to the coronary care unit because of acute pulmonary edema. Immediate 2-dimensional and Doppler echocardiograms revealed extensive left ventricular wall motion abnormalities and left ventricular hypertrophy with extreme outflow obstruction. Although an ECG showed ST-segment elevation in the anterolateral leads, a coronary arteriogram revealed normal epicardial arteries. heart failure was relieved after diminishing the dynamic outflow obstruction with disopyramide administration. An endomyocardial biopsy from the right ventricle on the 8th hospital day showed borderline myocarditis. Wall motion abnormalities gradually normalized within 2 weeks. It is speculated that her pulmonary edema would not have been relieved so readily without the immediate reduction in ventricular afterload by disopyramide. These clinical changes over time were observed with serial echo-Doppler examinations.
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ranking = 4
keywords = cardiomyopathy
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5/105. A probable primary hiv infection associated with acute non-specific myocarditis causing severe dilated cardiomyopathy.

    A patient with a probable primary hiv infection and a biopsy proven non-specific myocarditis is reported. The patient developed a severe dilated cardiomyopathy and initially presented with global heartfailure and fever. The left ventricular function partially recovered. One week after discharge the patient was readmitted in a septic shock and died. Current hypotheses concerning the etiology of left ventricular dysfunction in hiv infection are discussed.
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ranking = 5
keywords = cardiomyopathy
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6/105. myocarditis and cardiomyopathy associated with clozapine.

    BACKGROUND: clozapine is effective for resistant schizophrenia. After two sudden deaths in physically well young men soon after starting clozapine, we investigated the cardiovascular complications for this drug. methods: From January, 1993, to March, 1999, 8000 patients started clozapine treatment in australia, and were registered with a mandatory monitoring service. We identified cases of myocarditis and cardiomyopathy from voluntary reports to the Australian Adverse Drug Reaction Committee and sought details of the relevant diagnostic studies, necropsies that had been done in suspicious cases, or both. FINDINGS: 23 cases (20 men, three women, mean age 36 years [SD 9]) were identified: 15 of myocarditis and eight of cardiomyopathy associated with clozapine treatment. Six patients died. All cases of myocarditis (five deaths) occurred within 3 weeks of starting clozapine. Cardiomyopathy (one death) was diagnosed up to 36 months after clozapine was started. Necropsy results showed mainly eosinophilic infiltrates with myocytolysis, consistent with an acute drug reaction. INTERPRETATION: clozapine therapy may be associated with potentially fatal myocarditis and cardiomyopathy in physically healthy young adults with schizophrenia.
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ranking = 7
keywords = cardiomyopathy
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7/105. Fatal mumps nephritis and myocarditis.

    The case of a 14-year-old girl with fatal interstitial nephritis and myocarditis as complications of mumps is reported. The illness began with parotitis; renal symptoms developed within a week. The patient's renal and cardiac status and clinical course rapidly deteriorated and the outcome was fatal. The post-mortem renal biopsy sample showed interstitial mononuclear cell infiltration, oedema, and focal tubular epithelial damage in biopsy material of kidney, confirming the clinical diagnosis. myocarditis was determined by electrocardiographic and echocardiographic findings. Since it has been reported that fatal complications such as myocarditis, dilated cardiomyopathy, and nephritis may develop in the course of mumps, the patients with mumps, especially in complicated cases, should be followed closely because of the severe clinical conditions which may progress.
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ranking = 1
keywords = cardiomyopathy
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8/105. Cavitary pulmonary infarction--a rare cause of spontaneous pneumothorax.

    A 14-year old female was admitted to the hospital with a diagnosis of resolving myocarditis and dilated cardiomyopathy. She developed spontaneous right-sided pneumothorax. autopsy, revealed rupture of cavitary pulmonary infarction to be the cause of the pneumothorax, a rare finding.
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ranking = 1
keywords = cardiomyopathy
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9/105. Chronic right-sided myocarditis mimicking arrhythmogenic right ventricular dysplasia.

    arrhythmogenic right ventricular dysplasia (ARVD) is a cause of right ventricular heart failure and has been implicated in some cases of sudden death in young adults. It is well known that a large majority of patients with ARVD have histological evidence suggestive of inflammation. Here we report a unique case of chronic myocarditis limited to the right ventricle and right side of the interventricular septum which presented clinically as ARVD. The fact that right sided myocarditis can clinically mimic the genetic disease of classic arrhythmogenic right ventricular dysplasia has therapeutic implications for the patient and relatives.
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ranking = 1049.0946157248
keywords = ventricular dysplasia, right ventricular dysplasia, arrhythmogenic right ventricular dysplasia, arrhythmogenic, arrhythmogenic right, dysplasia
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10/105. Graves' disease and low-output cardiac dysfunction: implications for autoimmune disease in endomyocardial biopsy tissue from eleven patients.

    Classic high-output thyrotoxic heart disease is generally considered a direct effect of thyroid hormone. In contrast, the cause of the less common low-output heart failure is generally unknown. The aim of this study was to retrospectively evaluate available endomyocardial biopsy tissue from patients with coexistent Graves' disease and idiopathic low-output heart failure and determine whether the biopsy features were consistent with an autoimmune process. The study group consisted of 11 patients whose mean age was 47 years when they were diagnosed with hyperthyroidism and 52 years when diagnosed with cardiac dysfunction. Right ventricular endomyocardial biopsy tissue revealed severe lymphocytic myocarditis in a patient with severe ophthalmopathy and showed borderline myocarditis in a patient without ophthalmopathy. biopsy tissues from 6 other patients showed appreciable myocyte hypertrophy and interstitial fibrosis, consistent with dilated cardiomyopathy. Two patients had nondiagnostic biopsy specimens, and 1 patient had features suggestive of arrhythmogenic right ventricular dysplasia. In conclusion, for the 11 patients with Graves' disease and unexplained systolic dysfunction, only 2 (18%) had lymphocytic infiltrates consistent with an autoimmune process. Thus, among patients with Graves' disease, most cases of low-output cardiac dysfunction appear to be due to causes other than an active autoimmune inflammatory process.
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ranking = 182.56707467363
keywords = ventricular dysplasia, right ventricular dysplasia, arrhythmogenic right ventricular dysplasia, arrhythmogenic, arrhythmogenic right, cardiomyopathy, dysplasia
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