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vol.80 issue3Phlebotomus ecology of the Parque Nacional da Serra dos Orgãos, Rio de Janeiro : III - Time frequency (Diptera, Psychodidae, Phlebotominae)New morphological data on Opecoeloides pedicathedrae Travassos, Freitas & Buhrnheim, 1966 (Digenea: Opecoelidae) author indexsubject indexarticles search
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Memórias do Instituto Oswaldo Cruz

Print version ISSN 0074-0276On-line version ISSN 1678-8060


MARZOCHI, Mauro C. A. et al. Canine Visceral Leishmaniasis in Rio de Janeiro, Brazil: clinical, parasitological, therapeutical and epidemiological findings (1977-1983). Mem. Inst. Oswaldo Cruz [online]. 1985, vol.80, n.3, pp.349-357. ISSN 0074-0276.

Forty dogs from the periphery of the city of Rio de Janeiro were studied. All dogs where diagnosed as positive for leishmaniasis either parasitologically and/or serologically. Among them, 19 came from areas where only Visceral Leishmaniasis (VL) occurs (Realengo, Bangu, Senador Camará). Clinical signs of the disease were seen in 36.8% of the cases, including emaciation - 100%, lymphadenopathy and depilation - 85.7%. The other 21 dogs came from an area (Campo Grande) where both diseases (VL, and American Cutaneous Leishmaniasis - ACL) occur. Clinical signs of the disease, mainly cutaneous or mucocutaneous ulcers were seen in 76.2% of the cases. Leishmania parasites were found in 39 cases: 22% in viscera, 42.5% in viscera and normal skin and 35% in cutaneous or mucocutaneous ulcers. All the Leishmania stocks isolated from dogs which came from Realengo, Bangu, Senador Camará (VL area), and from Campo Grande (VL + ACL area) were characterized as L. donovani (except in one case) according to their schizodeme, zymodeme and serodeme. The only stock characterized as L. b. braziliensis, was isolated from the lymph node of a dog from Campo Grande with visceral disease and without skin lesions. Antimony therapy attempted in eight Leishmania donovani positive dogs was unsuccessful.

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