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Septicemia in children with leukemia.

A review of the hospital records of 164 children with leukemia diagnosed between January 1969 and December 1975 disclosed 51 episodes of septicemia in 43 patients; 57 infectious agents were isolated. Gram-positive bacteria were isolated as frequently as gram-negative bacteria, each type accounting for 45.6% of all the agents isolated. Only 2 of the 24 episodes of exclusively gram-positive septicemia were fatal, whereas 9 of the 23 episodes of exclusively gram-negative septicemia were fatal. The mean duration of neutropenia was 5.6 days in patients with gram-positive septicemia and 19.5 days in patients with gram-negative septicemia, a significant difference (P less than 0.01). Gram-positive septicemia was diagnosed after a mean of 5.9 days of hospitalization and gram-negative septicemia after a mean of 29.0 days, also a significant difference (P less than 0.001). In this exclusively pediatric population of leukemic patients gram-positive agents have to be considered as potential pathogens, and initial antibiotic therapy must be selected with this fact in mind.