The Medical journal of Australia
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An idiopathic, asymmetrical oligoarthritis affecting young adults is prevalent in the tropical regions of Africa, Asia and Melanesia. A serological study was undertaken in 23 consecutive patients with polyarthritis. Each patient was assigned two paired control subjects. ⋯ In two patients with HLA-B27, diagnostic titres of antibodies to Campylobacter jejuni-Campylobacter coli indicated recent infection. The presence of HLA-B27 antigen was significantly (P less than 0.05) associated with the presence of the clinical features of reactive arthritis. This study suggests that "tropical arthritis" commonly is a reactive arthritis that is associated with the presence of HLA-B27.
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In a 12-month prospective study in 1984, blood and urinary cultures were obtained as a routine from 307 children who presented with fever and convulsions to the Mater Misericordiae Children's Hospital, Brisbane, and the results were compared with data from 1981-1983 when cultures were not taken as a routine. In the prospective study, bacteraemia was found in 12 (4.3%) of 282 patients but was not suspected clinically in half of these; urinary-tract infection was found in seven (2.6%) of 272 patients and in six of these it was not suspected clinically. All 12 patients with unsuspected bacteraemia or urinary-tract infection had persistent fever; of these, nine patients suffered simple convulsions and all cases of urinary-tract infection occurred in female patients. ⋯ In the at-risk group (children of less than two years of age), the prevalence of urinary-tract infection is increased in female patients and the prevalence of bacteraemia is increased in those patients who are selected for lumbar puncture. The use of leukocytosis as a criterion to determine the need for blood cultures improves the diagnostic yield but would result in increased costs and additional venepuncture. Bacterial meningitis was rare in our case series and the performance of a lumbar puncture as a routine at admission to hospital would not have led to its earlier diagnosis.
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This article describes the patterns of delivery and resuscitation for very-low-birthweight infants who were born in Victoria from 1982 to 1985. Caesarean delivery rates increased from 15% to 30% for infants of birthweights of 500-999 g, and from 39% to 52% for infants of birthweights of 1000-1499 g. ⋯ At the same time there was a fall in the still-birth rate of infants of birthweights of 500-999 g. Still-births rates for infants of birthweights of 1000-1499 g remained unchanged, as did neonatal mortality rates in both weight groups.