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1.
Clinics ; 71(12): 715-719, Dec. 2016. tab, graf
Article in English | LILACS | ID: biblio-840025

ABSTRACT

OBJECTIVES: To clinically and epidemiologically characterize a population diagnosed with and treated for septic arthritis of the knee, to evaluate the treatment results and to analyze the differences between patients with positive and negative culture results, patients with Gram-positive and Gram-negative bacterial isolates and patients with S. aureus- and non-S. aureus-related infections. METHODS: One hundred and five patients with septic knee arthritis were included in this study. The clinical and epidemiological data were evaluated. Statistical analysis was performed to compare patients with and without an isolated causative agent, patients with Gram-positive and Gram-negative pathogens and patients with S. aureus-related and non S. aureus-related infections. RESULTS: Causative agents were isolated in 81 patients. Gram-positive bacteria were isolated in 65 patients and Gram-negative bacteria were isolated in 16 patients. The most commonly isolated bacterium was S. aureus. Comparing cases with an isolated pathogen to cases without an isolated pathogen, no differences between the studied variables were found except for the longer hospital stays of patients in whom an etiological agent was identified. When comparing Gram-positive bacteria with Gram-negative bacteria, patients with Gram-positive-related infections exhibited higher leukocyte counts. Patients with S. aureus-related infections were more frequently associated with healthcare-related environmental encounters. CONCLUSION: S. aureus is the most common pathogen of septic knee arthritis. Major differences were not observed between infections with isolated and non-isolated pathogens and between infections with Gram-positive and Gram-negative bacteria. S. aureus infections were more likely to be associated with a prior healthcare environment exposure.


Subject(s)
Humans , Male , Female , Infant , Child, Preschool , Child , Adolescent , Adult , Middle Aged , Aged , Aged, 80 and over , Young Adult , Arthritis, Infectious/microbiology , Gram-Negative Bacteria/isolation & purification , Gram-Positive Bacteria/isolation & purification , Knee Joint/microbiology , Arthritis, Infectious/epidemiology , Brazil , C-Reactive Protein/analysis , Knee/microbiology , Retrospective Studies , Sex Distribution , Staphylococcal Infections/epidemiology , Staphylococcus aureus/isolation & purification
2.
Indian J Pediatr ; 1996 Jul-Aug; 63(4): 569-70
Article in English | IMSEAR | ID: sea-83994

ABSTRACT

Actinobacillus actinomycetemcomitans, a gram-negative aerobic bacillus of the family Parvobacteriaceae which is a normal inhabitant of the oral flora, is a rare cause of human infection. We report a case of septic arthritis caused by this organism in an uncompromised child.


Subject(s)
Actinobacillus Infections/diagnosis , Aggregatibacter actinomycetemcomitans/drug effects , Arthritis, Infectious/diagnosis , Child, Preschool , Female , Humans , Knee/microbiology , Penicillins/therapeutic use
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