No período de agosto de 2000 a julho de 2005 foram atendidos 43 casos de Pênfigo Foliáceo (PF) canino no Serviço de Dermatologia do Hospital Veterinária, Universidade de São Paulo. Com este estudo retrospectivo visou-se atualizar dados referentes à caracterização sexual, definição racial e raça, idade, tipo e topografia lesional, quadro sintomático e resposta aos tratamentos isolados com prednisona e com a associação desta à azatioprina, além de demonstrar o aumento na ocorrência do PF relativamente à série histórica pretérita (1986-2000) do mesmo Serviço.
As dermatofitoses dos carnívoros domésticos são infecções fúngicas superficiais, causadas habitualmente por dois gêneros fúngicos: Microsporum sp. e Trichophyton sp. Trata-se de uma antropozoonose, com importância na saúde pública. O objetivo do trabalho foi caracterizar a população de cães e gatos acometidos por dermatofitose atendidos no Serviço de Dermatologia do HOVET/USP num período de 27 meses. Foram atendidos 76 animais com diagnóstico de dermatofitose (47,3% da espécie felina e 52,7% à canina). O agente etiológico isolado preponderantemente foi Microsporum canis. Não se observou distribuição sazonal. Os cães de raça definida foram os mais acometidos (75,0%), mormente os Yorkshire Terrier (23,3%). Os felinos sem e com definição racial (Persas-93,7%) foram igualmente acometidos. Observou-se que a maioria dos animais infectados apresentava menos de um ano de idade (65,8%). As lesões mais observadas foram: alopecia, eritema, escamas e crostas. A maioria das lesões apresentava configuração circular e estavam localizadas nas regiões cefálicas, de tronco e de membros. O prurido esteve ausente em 50,0% dos caninos e em 88,8% dos felinos.
animais acometidos por Pênfigo Foliáceo (PF). Através de levantamento retrospectivo, os animais foram caracterizados quanto ao sexo, definição racial e raça, idade, tipo e topografia das lesões e resposta a tratamento orto (prednisona) e heterodoxo (prednisona em associação à azatioprina).
Skin physiology in cats has received little attention. The aim of this study was to evaluate the long-term influence of sex, time and the level of dietary fat and energy on the dynamics and qualities of the hair coat. Twenty-four European short-haired laboratory cats were followed over a 1-year period. They were divided into eight groups of three, according to: sex (12 males and 12 females), sexual status (intact or neutered) and diets [(high energy 4300 kcal/kg as fed, 21% fat) vs. (moderate energy 3500 kcal/kg as fed, 10% fat)]. Both diets were fed for 6 months to all cats following a cross-over design. The following parameters were evaluated throughout the study: thickness of hair coat and hair lengths (neck, rump, lateral, flank), hair regrowth (after periodic clippings of 25 cm 2 areas), and telogen/anagen ratio. The thickness of the hair coat initially varied from 1.2-1.7 cm on the neck, 1-1.4 cm on the rump, 1.8-2.5 cm on the flank, and hair shaft lengths were 1.7-2.5, 3.7-3.9 and 2.5-3.2 cm, respectively. Comparison of values revealed few statistical differences: increase of the thickness of hair coat in neutered cats (male and female) during the study, and increase of the length of lateral hairs in all groups during the study. Over all periods and in all groups, the curve of growth was similar (rapid then slower). Some transient variations were attributed to temporary changes in ambient conditions. In conclusion, neither sex, nutrition or season (in housed cats) influenced the general quality of hair coat, in particular hair regrowth. Funding: Royal Canin. P-2Evaluation of the influence of sex, diet and time on skin pH and surface lipids of cats P. BOURDEAU, K. W. TAYLOR, P. NGUYEN and V. BIOURGE National Veterinary School of Nantes, Nantes, France; Royal Canin, Aimargues, France Skin lipids and pH are two factors classically considered of importance in homeostatic characteristics of skin. Skin physiology in cats has received little attention. The aim of this study was to evaluate the long-term influence of sex, sexual status, season, and dietary fat and energy on these parameters. Twenty-four European short-haired laboratory cats, 14 months of age, were followed over a 1-year period. They were divided into 8 groups of three, according to: sex (12 males and 12 females), sexual status (intact or neutered) and diets [(high energy 4300 kcal/kg as fed, 21% fat) vs. (moderate energy 3500 kcal/kg as fed, 10% fat)]. Both diets were fed to all cats for 6 months following a cross-over design. Parameters regularly evaluated were skin pH and hair total lipid content (extraction from samples of 0.6-1.2 g of clipped hairs). The pH of the skin varied from 6.6-6.8 initially to 7.2-7.4 at the end of the study. This increase was significant only in intact animals (male and female). The dietary changes did not affect skin pH. Hair total lipid content was not affected by sex or the diets but slightly increased in all groups over the study period from 1.5-2.4 to 2.4-3.3%. In conclusion, skin pH appeared to be potentially m...
Skin physiology in cats has received little attention. The aim of this study was to evaluate the long-term influence of sex, time and the level of dietary fat and energy on the dynamics and qualities of the hair coat. Twenty-four European short-haired laboratory cats were followed over a 1-year period. They were divided into eight groups of three, according to: sex (12 males and 12 females), sexual status (intact or neutered) and diets [(high energy 4300 kcal/kg as fed, 21% fat) vs. (moderate energy 3500 kcal/kg as fed, 10% fat)]. Both diets were fed for 6 months to all cats following a cross-over design. The following parameters were evaluated throughout the study: thickness of hair coat and hair lengths (neck, rump, lateral, flank), hair regrowth (after periodic clippings of 25 cm 2 areas), and telogen/anagen ratio. The thickness of the hair coat initially varied from 1.2-1.7 cm on the neck, 1-1.4 cm on the rump, 1.8-2.5 cm on the flank, and hair shaft lengths were 1.7-2.5, 3.7-3.9 and 2.5-3.2 cm, respectively. Comparison of values revealed few statistical differences: increase of the thickness of hair coat in neutered cats (male and female) during the study, and increase of the length of lateral hairs in all groups during the study. Over all periods and in all groups, the curve of growth was similar (rapid then slower). Some transient variations were attributed to temporary changes in ambient conditions. In conclusion, neither sex, nutrition or season (in housed cats) influenced the general quality of hair coat, in particular hair regrowth. Funding: Royal Canin. Veterinary Dermatology 2004, 15 (Suppl. 1), 41-69 Ó 2004 ESVD and ACVD 41 Poster Abstracts Poster Abstracts
RESUMORelata-se, pela primeira vez no Brasil, um caso de dermatite decorrente de infecção por micobactéria atípica do complexo Mycobacterium fortuitum-peregrinum, em espécie felina, sem raça definida, fêmea, com cinco anos de idade. Há oito meses, evoluía com lesões maculares equimóticas, nodulares, erosadas, ulceradas, acompanhadas de fístulas exsudativas, com intenso prurido e algia. Evidenciou-se a presença de micobactéria do complexo Mycobacterium fortuitum-peregrinum (grupo IV de Runyon ) identificada após evidenciação histopatológica, cultivo bacteriano e por testes bioquímicos. Após dois meses de terapia sistêmica com enrofloxacina (5mg/kg/Bid/VO) e tópica (triclosan e rifamicina) houve involução das lesões, com efeitos colaterais discretos. (cytologic, bacterioscopic, bacterial culture, histopathological, hemathological, ultrasonographic, radiographic and electrocardiographic). The presence of mycobacteria of Mycobacterium fortuitum-peregrinum complex (group IV of Runyon) was observed and identified after histopathological evidence, bacterial culture and biochemical tests. After two months of systemic therapy with enrofloxacin (5mg/kg, orally/twice a day) and topic treatment with triclosan and rifamicin, rapid improvement of the clinical appearance of the lesions were observed with low incidence of side-effects.
A clinical trial using griseofulvin and terbinafine in the treatment of canine and feline dermatophytosis RESUMO As dermatofitoses dos carnívoros domésticos são infecções fúngicas superficiais, causadas habitualmente por dois gêneros fúngicos: INTRODUÇÃOA dermatofitose é uma infecção fúngica superficial relativamente comum em carnívoros domésticos, causada por fungos queratinofílicos dos gêneros Microsporum spp e Trichophyton spp. O Microsporum canis (M. canis) é, sem dúvida, o dermatófito isolado com maior freqüência nas infecções dermatofíticas em diversas regiões do Brasil e do mundo, tanto na espécie felina, quanto na canina (GAMBALE et al., 1987;SPARKES et al., 1993;LARSSON et al., 1994;CABAÑES et al., 1997). A relevância dessa dermatopatia se dá não só pela freqüência com que é diagnosticada, mas principalmente por tratar-se de uma antropozoonose. Inúmeros pesquisadores referem-se à transmissão interespécie, em diferentes regiões, com percentís de ocorrência situados entre 18
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