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Scand J Infect Dis. 2012 Aug;44(8):635-9. doi: 10.3109/00365548.2012.672765. Epub 2012 Apr 12.

Two cases of infectious purpura fulminans and septic shock caused by Capnocytophaga canimorsus transmitted from dogs.

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Centre of Inflammation and Metabolism, Department of Infectious Diseases, Rigshospitalet, Copenhagen Ø, Denmark.


We report 2 cases of Capnocytophaga canimorsus-induced septicaemia complicated by purpura fulminans in previously healthy individuals, both of whom had been exposed to dog saliva prior to disease. They both presented with purpuric skin lesions, as well as the tetrad of abdominal symptoms, haemolytic anaemia, metabolic acidosis, and renal failure, which may be common in C. canimorsus-associated purpura fulminans. The patients survived after treatment with broad-spectrum antibiotics and supportive intensive care. C. canimorsus should be considered as a possible cause of infectious purpura fulminans in the unresolved critically ill patient with a history of dog exposure.

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