Disease by hurt of cat

Disease by scratch of the cat (EAG)

One is a disease of bacterial origin, the serious etiologico agent the Bartonella henselae (small negative Gram bacilli).
60% of the cases appear in children (Harrison 140 Ed).
A causal relation with a scratch or mordedura of cat in most of the cases exists and the rest had some contact with these animals, also is known that the fleas of cats are a factor of I infect but. Nevertheless cases have been observed in which the injury in the skin was infringed by inanimate objects: chips, pins, thorns, etc.
The cats incriminados in human cases were young, almost always healthy animals, the cats inoculated with material of ganglia of human patients did not even become ill.

In the EAG from the inflicción of the wound to the appearance of the symptoms in the man days pass of 3-5 the primary injuries are in the place of the wound and consist of one pápula located that evolves soon to pustule and to scab.
There is inflammation of the lymphatic ganglion of the zone (often linfoideas-linfomas is confused with neoplasias), normally the affected ganglion is in the armpit, neck, thigh or ingle that persists of weeks to several months, generally is painful and supura in 25% of the cases.
A high proportion of patients presents/displays symptoms of sistémica infection with slight fever and short duration and less frequently, chills, anorexy, malaise, pains generalized and vomits.
In general EAG it is a benign disease and it cures spontaneously without leaving sequels but sometimes there are complications: syndrome to oculoglandular, osteolíticas encefalitis, injuries or trombocitopénica purple.

The diagnosis is made by the intraskin test of Hanger-Rose (this letting itself use from fear to transmit virales agents reason why the asilamiento becomes difficult). Its identification is possible by means of the biopsy of ganglion the affected and later tinción by the method of silver of Whartin-Starry being able to be observed the tiny bacillus in groups.

Prophylaxis
It is limited to avoid scratches or mordeduras of cat.

Bibliography

Author: MV Adelaida A. Goldman

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