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Query: UMLS:C0023241 (Legionella)
 6,990 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Myocarditis, pericarditis and endocarditis are rare manifestations of Legionella pneumophila infection. We describe a case of myocarditis complicated with a potentially fatal arrhythmia: "torsades de pointes".
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PMID:Legionellosis and "torsades de pointes". 223 31

A 43-year-old woman was hospitalized for fulminant pericarditis. During diagnostic work-up, an as yet unknown bronchial carcinoma was detected. In the pericardial exudate Legionella pneumophila serogroup 3 was demonstrated by direct fluorescent antibody technique and by culture. In a lung biopsy L. pneumophila serogroup 3 was found, too. Using an antigen-ELISA for L. pneumophila serogroup 1, antigenuria was demonstrated. In cases of pericarditis negative for common bacterial pathogens, all diagnostic tests for legionellae, e.g. culture, antigen detection in pericardial, pleural effusion and urine and antibody detection should be included in the diagnostic programme.
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PMID:Isolation of Legionella pneumophila serogroup 3 from pericardial fluid in a case of pericarditis. 261 28

During a one year period acute pericarditis was diagnosed in 16 consecutive patients without acute infarction or malignancy. In two of these patients with both pericarditis and pneumonia Legionella infection was present. One case was caused by Legionella longbeachae and the other by both Legionella longbeachae and Legionella jordanis. When pericarditis is associated with pneumonia Legionella infection should be sought so that effective treatment with erythromycin may be started early.
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PMID:Combined pericarditis and pneumonia caused by Legionella infection. 342 2

To our knowledge, Legionella pericarditis has been reported only four times in the literature and only once without pneumonia. We report the second case of nonpneumonic Legionella pericarditis in a man who eventually required pericardiectomy for constriction. Since Legionella endocarditis, myocarditis, and pericarditis have all been documented by culture or direct fluorescent antibody staining, it is important to be aware of the possibility of cardiac legionellosis.
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PMID:Legionella pneumophila pericarditis without pneumonia. 399 70

Serogroup 1 Legionella pneumophila was isolated from the pericardial fluid of a nonimmunosuppressed patient with pulmonary infiltrates, cardiac tamponade, and histologic evidence of pericarditis. This is the first reported case in which the association of L. pneumophila infection and pericarditis has been proved by growth of the organism from pericardial fluid. Physicians caring for patients with pericarditis of unknown cause should consider L. pneumophila in their differential diagnosis because special diagnostic efforts and relatively specific therapy are required for its optimal management.
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PMID:Legionella pneumophila pericarditis proved by culture of pericardial fluid. 661 38

Bacteria recently recognized as nosocomial pathogens generally fall into three categories: those that grow slowly, those that are fastidious in their nutritional or atmospheric requirements and those that resemble commensals. Each characteristic has contributed to the delay in perceiving their importance. Mycobacterium chelonei and Myco. fortuitum--which grow slowly, although characterized as "rapid-growing" mycobacteria--cause sternal osteomyelitis, pericarditis and endocarditis after cardiac surgery as well as other wound infections after many types of surgery. Myco. chelonei-like organisms have been found to cause "sterile" peritonitis in patients receiving long-term peritoneal dialysis. Legionella pneumophila and L. micdadei are fastidious bacteria that were more difficult to detect because they stain poorly with the Gram method. They cause pneumonia and lung abscess, especially in immunocompromised people. Clostridium difficile is an anaerobe that causes toxin-mediated pseudomembranous colitis in persons given antibiotics that inhibit competing gut bacteria. Chylamydia trachomatis, an intracellular organism that has not been grown in vitro, causes pneumonia and conjunctivitis in young infants who acquire the organism from their mothers at birth. Group JK bacteria cause septicemia in patients whose immune responses have been suppressed and must be distinguished from "diphtheroid" contaminants in blood cultures. Clinicians, microbiologists and epidemiologists must be alert to the characteristics of these organisms that make them easily overlooked and should also anticipate the existence of other bacteria not yet identified.
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PMID:Bacteria newly recognized as nosocomial pathogens. 700 90

Legionella pericarditis is a rare and serious manifestation of Legionnaire's disease. A case is presented in which the diagnosis was established by direct fluorescent antibody staining on a pericardial tissue specimen. Video-assisted thoracoscopy was used safely and effectively in diagnosis and management in this case.
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PMID:Legionella pericarditis diagnosed by direct fluorescent antibody staining. 764 15

Pleural effusion caused by Legionella is seen fairly frequently but is hardly ever of great clinical significance. Pericardial involvement has been described only rarely. We present a case of pleuropericarditis as the only sign of infection by Legionella pneumophila in a 66-years-old man with no prior history of disease. The patient came to the hospital with chest pain suggestive of pleurisy, low-grade fever, dry cough and dyspnea. The etiology was not suspected and the diagnosis was made retrospectively based on indirect immunofluorescence. After 3 weeks of treatment with high dose of erythromycin the patient recovered and remains asymptomatic to date. We conclude that infection by Legionella pneumophila should be suspected in patients with pleurisy or pericarditis of unknown cause.
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PMID:[Pleuropericarditis as the only manifestation of Legionella pneumophila infection]. 778 88

Cardiac involvement during Legionnaires' disease has been rarely described; few cases of myocarditis, pericarditis and endocarditis were reported. We describe a case of myocarditis associated to pneumonia, with high antibody title suggesting a disease due to Legionella pneumophila. The patient had severe myocardial damage, with overt heart failure and important ECG and Doppler-echocardiographic abnormalities, without associated multiorgan involvement.
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PMID:[Myocarditis in legionellosis. A case report]. 899 66

Legionella feeleii pneumonia has been described in seven cases, three of them being immunocompromised. We describe a case of L. feeleii pneumonia and pericarditis in a healthy man. Epidemiological survey was not conclusive. To the best of our knowledge, there have been no previous descriptions of pericarditis caused by this organism.
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PMID:Legionella feeleii pneumonia and pericarditis. 920 40


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