Ophthalmic alterations in horses with leptospirosis by serovar Icterohaemorrhagiae in Rio de Janeiro, Brazil

Pesquisa Veterinária Brasileira

Juliana Braga¹  Camila Hamond¹  Gabriel Martins¹  Renata Neves Abreu¹  Walter Lilenbaum¹ 

[1] ,Universidade Federal Fluminense Departamento de Microbiologia e Parasitologia Niterói RJ ,Brazil

关键词: Equine uveitis;    leptospirosis;    ocular disease;    eye;    horse;    Uveíte equina;    leptospirose;    doença ocular;    olho;    cavalo;   

DOI  :  10.1590/S0100-736X2011000200009

来源: SciELO

【 摘 要 】

The objective of the study was to determine the association between clinical ophthalmic alterations and seroreactivity to leptospirosis by serovar Icterohaemorrhagiae in horses in Rio de Janeiro, Brazil. A total of 199 horses were studied. A microscopic agglutination test (MAT) was used to detect specific anti-Leptospira antibodies in blood serum. A total of 107 (53.8%) horses were seroreactive (titres > 200); 54 had high (> 800) titres, of which 44 were against serovar Icterohaemorrhagiae. Forty-two out of these 44, plus 40 seronegative horses (titers < 100) were given detailed ophthalmic examinations. Epiphora, ocular congestion, blepharospasm, photophobia, and peripapillary focal depigmentation were the most frequent alterations in seroreactive horses. Most ocular alterations were significantly more frequent in seroreactive horses. Horses seroreactive for leptospirosis (serovar Icterohaemorrhagiae) had a significantly higher prevalence of ophthalmic alterations than seronegative horses, providing additional evidence for an association between leptospirosis and equine uveitis.

【 授权许可】

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