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[Streptococcus viridans and respiratory failure in acute leukemia].

Through the last 18 months, five of our patients with acute leukaemia have developed septicaemia caused by Streptococcus viridans, followed by acute respiratory failure. Two patients had to be placed in a respirator. In patients with acute leukaemia treated with cytostatic drugs, close clinical observation, including repeated blood gas analysis, is very important if they develop septicaemia caused by Streptococcus viridans. Early administration of high doses of corticosteroids seems to be important in order to prevent serious respiratory failure.