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

A prospective study of community-acquired pneumonia in Hong Kong was carried out between January and December, 1988. Ninety adults (57 male) with a mean age of 57.3 years were admitted to the Prince of Wales Hospital with community-acquired pneumonia. The etiologic diagnosis of pneumonia was made in 37 cases (41 percent). Pneumococcal infection was diagnosed in 11 patients (12 percent). The same number of patients had pulmonary tuberculosis presenting as acute pneumonia. It could not be differentiated from other causes of pneumonia on clinical and radiologic grounds, although pleural effusion and upper lobe involvement were more common in patients with tuberculosis. Chlamydia species were identified in five patients (6 percent) and Mycoplasma pneumoniae was identified in three patients (3 percent). There was no case of Legionnaires' disease. The etiologic agent could not be identified in 59 percent of cases. The low incidence of etiologic diagnosis of community-acquired pneumonia was probably related to the widespread use of antibiotics in private practice. Tuberculosis is an important cause of community-acquired pneumonia in Hong Kong and this diagnosis should be considered in patients who fail to respond to first-line antibiotics.
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PMID:A prospective study of community-acquired pneumonia in Hong Kong. 848 72

Over a two year period, we prospectively studied 110 adult patients with Community Acquired Pneumonia (CAP) who presented to the Black Lion Hospital, Addis Ababa, Ethiopia. Pneumococcal infection was diagnosed in 41% by the detection of pneumococcal antigen in sputum and other biologic fluids; in 72% by Gram stain of Lung Aspirate (LA) and in 67.5% by Gram stain of sputum. Blood and Lung Aspirate culture grew Streptococcus Pneumoniae in 4 cases (6%), Staphylococcus Aureus in 4 (6%), Enterobacteriacae in 3(5%), Pseudomonas, Klebsiella Pneumoniae and Strep. Viridans in one case each. Other non-bacterial causes included Mycoplasma Pneumoniae in 4 (4%) Influenza A in 4 (4%), Influenza B in 3 (3%) and Psittacosis/LGV in a 4 (4%). There was no case of Legionnaires disease. 39% had taken treatment before coming to hospital. The mortality was 11%. The study showed that antibiotic treatment during the preceding 36 hours did not affect the outcome of the Gram stain.
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PMID:The etiology of community acquired pneumonia in adults in Addis Ababa. 784 Nov 1