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 28,634 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We describe an eight-month-old infant who had an unusually fulminant and fatal course of Reye's syndrome. The patient died 36 hours after admission because of irreversible circulatory failure not associated with clinical symptoms of increased intracranial pressure or cerebral herniation. Autopsy revealed the pathognomonic fatty degeneration of the liver and heart of Reye's syndrome, but the brain was normal. In addition, a marked inflammatory infiltration of the myocardium was also observed, which indicated that acute myocarditis had been the preceding underlying disease. This case report emphasizes the fact that the viral prodrome preceding Reye's syndrome may not be as benign as often observed with influenza and varicella. Acute myocarditis and Reye's syndrome are also a combination which may result in fatal cardiovascular collapse.
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PMID:Reye's syndrome associated with acute myocarditis and fatal circulatory failure. 152 Mar 89

Acute myocarditis is usually a self-limiting viral illness. Rarely, however, myocardial depression can be profound leading to circulatory collapse. Mechanical cardiac support in the form of intraaortic balloon pumps or ventricular assist devices have been used in these unusual cases to maintain systemic perfusion until transplantation or left ventricular recovery occurs. We report a young patient with acute myocarditis who required left heart mechanical support and who, however, was successfully weaned despite only minimal myocardial recovery.
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PMID:Temporary left-sided mechanical cardiac support during acute myocarditis. 803 10

A 47-year-old woman was admitted with fever, hypotension, an elevated serum creatinine kinase level, and electrocardiographic abnormalities, which led to the diagnosis of acute myocarditis. She was placed on percutaneous cardiopulmonary support because of hemodynamic collapse on the third hospital day. Serial echocardiography showed gradual recovery of profound hypokinesis and edematous thickening of the left ventricle, but she died of sepsis on the 17th day without overt renal insufficiency or electrolytic abnormalities. Autopsy revealed myocardial necrosis with lymphocytic infiltrates and extensive myocardial calcification. Calcification was dense in the area of severe myocardial necrosis, and the distribution of calcium deposits suggested that the calcification was a consequence of significant inflammation of the myocardium. Recovery of regional wall motion was prominent in the area of severe inflammatory change. Dissociation between the pathologic and echocardiographic findings suggested the possibility of functional reversibility of severely damaged myocardium and possible mechanisms of abnormal contractile function other than inflammatory change.
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PMID:An autopsied case of acute myocarditis with myocardial calcification. 929 12

Acute myocarditis is a rare inflammatory cardiac disease in children with potentially fatal issue. Clinical findings are very variable from nausea and vomiting to acute cardiovascular collapse. The cardiac function can be reversible with circulatory support. We report the case of a 6-year-old girl with ECG changes like myocardial infarction and diagnosis of fulminant myocarditis. She developped rapidly a cardiogenic shock and died before treatment with mechanical circulatory support.
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PMID:[Fulminant myocarditis presenting like acute myocardial infarction in a 6-year-old girl]. 1702 33

Acute fulminant myocarditis commonly manifests itself as severe, rapidly progressive hemodynamic deterioration and circulatory collapse that may be resistant to high doses of inotropic agents and steroids and to mechanical support by intra-aortic balloon pump. Acute myocarditis has a high mortality rate and may necessitate heart transplantation. The best short-term therapy available to support the patient may be a percutaneous left ventricular assist device. One such unit, the TandemHeart percutaneous ventricular assist device, can enable patients to recover in a few days. Two of our patients who experienced profound, therapy-resistant heart failure arising from acute myocarditis were successfully supported by the TandemHeart. To the best of our knowledge, these are the 1st reported cases in which the TandemHeart percutaneous ventricular assist device served as a bridge to recovery from acute fulminant myocarditis.
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PMID:The TandemHeart pVAD in the treatment of acute fulminant myocarditis. 1762 71

Availability of camphor containing products in households is not uncommon. In certain parts of the world, camphor is used in medicines intended for enteral intake and also used as a flavoring agent in edibles. Toxicity due to ingestion of camphor has been described and in severe forms it manifests as seizures, apnea, asystole, circulatory collapse and death. We report myocarditis associated with ingestion of a large dose of camphor. The electrocardiogram revealed prolonged QRS duration and QTc interval. 2D- Echo images revealed features of acute myocarditis. The changes were transient and resolved in a short time while the patient was on supportive therapy. The medicinal uses of camphor are unsupported by evidence and safer, more effective alternatives exist. Its use in household products and edibles should be discouraged.
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PMID:Camphor induced myocarditis: a case report. 1790 64

The purpose of this study was to evaluate the outcomes of children requiring extracorporeal membrane oxygenation for acute myocarditis. The hospital records of 8 patients who underwent membrane oxygenation for myocarditis from January 2002 to October 2008 were reviewed. Ages ranged from 3 to 12 years (median, 6 years). Duration of membrane oxygenation ranged from 89-502 h. Two patients who collapsed and required cardiac massage prior to membrane oxygenation did not survive. Five (62.5%) patients were discharged well, but one developed dilated cardiomyopathy and died 18 months later. One child had severe mitral regurgitation after weaning from membrane oxygenation, and underwent successful mitral valve repair. Another patient had no cardiac contractility for the initial 2 weeks, but regained good cardiac function after 21 days of support. She was weaned off membrane oxygenation and discharged home well. Complications included left hemiparesis in one patient and left hemothorax in 2. Recovery of cardiac function and a good outcome can be anticipated in children with acute myocarditis requiring membrane oxygenation. Initiation of membrane oxygenation before cardiovascular collapse increases the likelihood of survival.
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PMID:Extracorporeal membrane oxygenation for children with fulminant myocarditis. 2030 46

Acute myocarditis and ventricular arrhythmia are rarely seen as the initial presentation of systemic lupus erythematosus (SLE) in children. We reported the case of a 12-year-old girl with congestive heart failure, acute myocarditis and pericardial effusion as a primary manifestation of SLE. Sudden cardiovascular collapse due to ventricular fibrillation (VF), ventricular tachycardia (VT) and cardiac tamponade occurred. After resuscitation and pericardiocentesis, frequent VF/VT refractory to anti-arrhythmic therapy was supported by venoarterial extracorporeal membrane oxygenation. Early diagnosis and a combination treatment for heart failure, arrhythmias and immunosuppression may result in a favorable outcome.
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PMID:Acute myocarditis and ventricular fibrillation as initial presentation of pediatric systemic lupus erythematosus. 2211 42

We report a case of an 8-year-old girl with fulminant myocarditis successfully treated with percutaneous cardiopulmonary support (PCPS). She was first taken to our hospital for treatment of suspected infective enterocolitis since her main symptoms were fever, vomiting and diarrhea. On day 2 after admission, her ECG showed wide QRS and echocardiography demonstrated severe hypokinesis. She was transferred to the ICU with suspected acute myocarditis. On admission to the ICU, circulatory collapse was not detected. ECG showed severe bradycardia and ventricular fibrillation after intubation. Cardiopulmonary resuscitation was performed immediately for 50 minutes prior to initiation of PCPS. She was treated intensively with catecholamines, plasma exchange, continuous hemodiafiltration, high-dose gamma-globulin, and high dose methylprednisolone. Hypothermia therapy was also performed. She was weaned from PCPS on day 6 after initiation of PCPS. The patient was finally discharged from the hospital without any neurological complications on day 68 after weaning from PCPS. The proportion of patients in whom cardiopulmonary resuscitation was performed or having ventricular tachycardia or fibrillation were higher in non-survivors than in survivors.
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PMID:[A case of fulminant myocarditis successfully treated by percutaneous cardiopulmonary support after 50 minuite-cardiopulmonary resuscitation]. 2347 19

Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has recently evolved as a pandemic disease. Although the respiratory system is predominantly affected, cardiovascular complications have been frequently identified, including acute myocarditis, myocardial infarction, acute heart failure, arrhythmias and venous thromboembolic events. Pericardial disease has been rarely reported. We present a case of acute life-threatening cardiac tamponade caused by a small pericardial effusion in a mechanically ventilated patient with severe COVID-19 associated pneumonia. The patient presented acute circulatory collapse with hemodynamic features of cardiogenic or obstructive shock. Bedside echocardiography permitted prompt diagnosis and life-saving pericardiocentesis. Further investigation revealed no other apparent cause of pericardial effusion except for SARS-CoV-2 infection. Cardiac tamponade may complicate COVID-19 and should be included in the differential diagnosis of acute hemodynamic deterioration in mechanically ventilated COVID-19 patients.
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PMID:Acute life-threatening cardiac tamponade in a mechanically ventilated patient with COVID-19 pneumonia. 3266 90


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