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      Endemic melioidosis in tropical northern Australia: a 10-year prospective study and review of the literature.

      Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
      Adolescent, Adult, Aged, Aged, 80 and over, Child, Child, Preschool, Female, Granulocyte Colony-Stimulating Factor, therapeutic use, Humans, Infant, Male, Melioidosis, drug therapy, epidemiology, mortality, Middle Aged, Northern Territory, Prospective Studies, Risk Factors, Shock, Septic, Trimethoprim-Sulfamethoxazole Combination, Tropical Climate

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          Abstract

          In a prospective study of melioidosis in northern Australia, 252 cases were found over 10 years. Of these, 46% were bacteremic, and 49 (19%) patients died. Despite administration of ceftazidime or carbapenems, mortality was 86% (43 of 50 patients) among those with septic shock. Pneumonia accounted for 127 presentations (50%) and genitourinary infections for 37 (15%), with 35 men (18%) having prostatic abscesses. Other presentations included skin abscesses (32 patients; 13%), osteomyelitis and/or septic arthritis (9; 4%), soft tissue abscesses (10; 4%), and encephalomyelitis (10; 4%). Risk factors included diabetes (37%), excessive alcohol intake (39%), chronic lung disease (27%), chronic renal disease (10%), and consumption of kava (8%). Only 1 death occurred among the 51 patients (20%) with no risk factors (relative risk, 0.08; 95% confidence interval, 0.01-0.58). Intensive therapy with ceftazidime or carbapenems, followed by at least 3 months of eradication therapy with trimethoprim-sulfamethoxazole, was associated with decreased mortality. Strategies are needed to decrease the high mortality with melioidosis septic shock. Preliminary data on granulocyte colony-stimulating factor therapy are very encouraging.

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