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Pseudomonas septicemia in infants and children: a retrospective analysis of 49 cases.

Reviewed 49 cases of Pseudomonas bacteremia which occurred in pediatric patients during an 8-year period showed the annual rate, per 1000 discharges, was 1.7. In most of the patients (73.5%), the disease was hospital-acquired. Male to female distribution was about 3 to 2. The average age of the 49 patients was 1.29 years, and 55.1% were infected at less than 2 months old. Overall mortality was 44.9%; among the mortalities, 63.6% were under two months of age. Clinical features were not characteristic, but the most common sign associated with this infection was fever (42.9%). Ecthyma gangrenosum occurred in only one patient. Respiratory tract and skin were the most frequent sources of the bacteremia. Polymicrobial bacteremia occurred in 18.4%. Patients with shock, pneumonia, inadequate antibiotic therapy or persistent neutropenia had a substantially poorer prognosis. Administration of combination therapy to patients with Pseudomonas bacteremia seemed to be superior to monotherapy for positive outcome.