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Previous issue date: 2016-03-23 / Canine demodicosis is an inflammatory skin disease, frequently diagnosed in veterinary clinics, caused by the proliferation of mites of the species Demodex sp. In recent years, important findings about the disease have been reported, mainly aspects related to treatment, with the insertion of new molecules or new treatment regimens. Doramectin is a macrocyclic lactone that has been used empirically by veterinarians, who use different routes, doses and intervals in its administration, with no homogeneus results. This study aimed to evaluate the use of doramectin in the treatment of dogs affected by the generalized form of demodicosis. Of the forty-six dogs diagnosed with the disease during the study, 20 were selected for the study and divided into three groups: Group I ? treated with doramectin at a dose of 600 mcg/kg once a week orally, group II ? treated at a dose of 300 mcg/kg orally every 3 days and group III ? treated at a dose of 600 mcg/kg every 7 days subcutaneously. The animals were treated until three consecutive negative skin scrapings were obtained, with intervals of at least fifteen days between them (parasitological cure). The days required to obtain the parasitological cure were 105, 82 and 100 according to the indicated groups; and their treatment efficiencies were 75, 100 and 83%, respectively. Doramectin was effective in treating generalized demodectic mange in dogs, regardless of the dose, route and interval of administration. However, the best results were obtained in the group treated at a dose of 300 mcg/kg orally every 3 days. There were no reported adverse reactions with the use of macrocyclic lactone. / Demodiciose canina ? uma doen?a inflamat?ria da pele, frequentemente diagnosticada nos consult?rios veterin?rios, causada pela prolifera??o de ?caros da esp?cie Demodex sp. Nos ?ltimos anos, importantes descobertas sobre a doen?a foram reportadas, principalmente os aspectos relacionados ao tratamento, com a inser??o de novas mol?culas ou novos esquemas de tratamento. A doramectina ? uma lactona macroc?clica que vem sendo usada de forma emp?rica por m?dicos veterin?rios, que a utilizam por diferentes vias, doses e intervalos na sua administra??o, com resultados heterog?neos. O objetivo do estudo foi avaliar a utiliza??o da doramectina no tratamento da demodiciose generalizada em c?es. Dos 46 animais diagnosticados com a doen?a, 20 foram selecionados e divididos em tr?s grupos experimentais: grupo I ? tratado com doramectina dose de 600 mcg/kg semanalmente por via oral, grupo II ? tratado na dose de 300 mcg/ kg por via oral a cada 3 dias e o grupo III ? tratado na dose de 600 mcg/kg a cada 7 dias por via subcut?nea. Os animais foram tratados at? a obten??o de tr?s raspados negativos consecutivos com pelo menos 15 dias de intervalo entre eles (cura parasitol?gica). Os dias necess?rios para obten??o da cura parasitol?gica foram 105, 82 e 100 de acordo com os grupos assinalados e as respectivas efic?cias ao tratamento foram 75, 100 e 83%. A doramectina demonstrou ser eficaz no tratamento da demodiciose generalizada em c?es independente da dose, via e intervalo de sua administra??o. Entretanto, os melhores resultados obtidos foram observados no grupo tratado com a dose de 300 mcg/ kg por via oral a cada 3 dias. N?o foram reportadas quaisquer rea??es adversas com a utiliza??o da lactona macroc?clica.
| Identifer | oai:union.ndltd.org:IBICT/oai:localhost:jspui/1833 |
| Date | 23 March 2016 |
| Creators | FERREIRA, Fabr?cia Ferreira e |
| Contributors | Fernandes, Julio Israel, Fernandes, Julio Israel, Martins, Isabella Vilhena Ferreira, Ramadinha, Regina H. Ruckert |
| Publisher | Universidade Federal Rural do Rio de Janeiro, Programa de P?s-Gradua??o em Medicina Veterin?ria (Patologia e Ci?ncias Cl?nicas), UFRRJ, Brasil, Instituto de Veterin?ria |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da UFRRJ, instname:Universidade Federal Rural do Rio de Janeiro, instacron:UFRRJ |
| Rights | info:eu-repo/semantics/openAccess |
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