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Query: UMLS:C0040425 (tonsillitis)
 1,594 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

'Upper limits of normal' antistreptolysin-O (ASO) titres were determined in various age groups in Saudi Arabia using the conventional haemolysin and the newer, passive agglutination (Blue-ASO) tests. The upper limit of normal values were found to vary with age, being the highest (166 Todd units or 1:320) among the school age children. Serum samples from 744 patients with various clinical manifestations associated with streptococcal infections such as rheumatic fever, glomerulonephritis, tonsillitis, rheumatoid arthritis and polyarthritis were tested by both methods, with the geometric mean titres (GMT) being determined in each age group. In case of school age children with suspected rheumatic fever, and found positive by the tests, a GMT of 458 Todd units (1:1080) was obtained--much higher than the ASO levels detected in positives with glomerulonephritis or tonsillitis. Apart from its relative simplicity, rapidity and ease of performance, the Blue-ASO test was able to detect positivity in 15% of sera from patients of various age groups with suspected rheumatic fever, polyarthritis and tonsillitis who exhibited insignificant levels of ASO by the haemolysin test.
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PMID:Tests for streptolysin-O antibodies in health and suspected streptococcal infections in Saudi Arabia. 358 90

Bearing in mind that in the last years there has been an increase in rheumatic fever episodes, the authors evaluate the cases recently observed in the department. The data of 3 children born and living in Portugal, the first known outbreak of rheumatic fever observed between June 93 and March 94, were examined. One case presented polyarthritis, another polyarthritis and carditis and the third chorea and carditis. In just one case was the diagnosis of rheumatic fever considered in the beginning, and over-all, failures in the diagnosis and treatment of tonsillitis, and in echocardiographic diagnosis were detected. In view of these examples, the authors conclude that the increasing incidence and morbidity of rheumatic fever is more probably due to forgetfulness of old attitudes than to new causes. Delay in the diagnosis and errors in secondary prophylaxis may influence long term results.
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PMID:[A resurgence of rheumatic fever. New causes or old attitudes?]. 925 42

Analysis of the results of a bacteriological study involving 218 patients with various forms of chronic tonsillitis (CT) has demonstrated that they were significantly different in terms of the seeding rate of beta-hemolytic group A Streptococci (BHAS). Specifically, these microorganisms were detected in patients with paratonsillar abscess 2.5 times as frequently as in those with uncomplicated forms of chronic tonsilitis. In other words, the former group is at risk of developing such concomitant diseases as post-streptococcal rheumocarditis, glomerulonephritis, and polyarthritis. It was shown that BHAS are capable of forming a biological film at the surface of abiogenic carriers in vitro which may be a principal cause of chronic and recurring tonsillitis.
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PMID:[The role of microflora in etiology of chronic tonsillitis]. 2055 41