OCULAR AND PERIOCULAR BLEEDING IN A DOG C AUSED BY DICUMAROLTOXICITY - A CASE-REPORT

A case of anticoagulant rodenticide toxicity in a dog associated with remarkable ocular and periocular bleeding is presented. The clinical d iagnosis was confirmed by a considerably prolonged one stage prothromb in time (OSPT) and activated partial thromboplastin time (APTT), sligh tly altered thrombin time and a platelet count in a low normal range. Secondary alterations occurred in form of a mechanical lagophthalmus, xerophthalmia and a secondary glaucoma of the left eye. Besides sympto matical therapy, Vitamin K1 was administered as an antidote in a loadi ng dose of 10 mg/kg BW IV, which was reduced to a dosage of 5 and 2,5 mg/kg BW orally. Despite successful treatment of the intoxication, a p ermanent and considerable loss of vision of the left eye resulted as a consequence of the temporary glaucoma.