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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Hipotireoidismo em c?es dermatopatas: aspectos cl?nicolaboratoriais comparados ao exame histopatol?gico da pele. / Hypothyroidism in dogs with skin diseases: clinical and laboratory aspects compared to histological examination.

Teixeira, Roberto dos Santos 31 January 2008 (has links)
Made available in DSpace on 2016-04-28T20:18:29Z (GMT). No. of bitstreams: 1 2008 - Roberto dos Santos Teixeira.pdf: 537086 bytes, checksum: 255e9ad40f6e12e7b8375df64bad6672 (MD5) Previous issue date: 2008-01-31 / This study was held at the Dermatology sector of the veterinarian clinic Animalia Rio de Janeiro RJ, from August 1998 to December 2005, 19,7% of the total amount of dogs treated at the clinic(4107) were guided to the Dermatology practice. A number of 266 (6.5%) animals were diagnosed with hypothyroidism. All 100% of the subjects had skin or coat disorders; moreover, 35.7% also had non cutaneous clinical signs of hypothyroidism. The most common dermatopathies were hair coat disorders (65.8%) and keratinization disorders (46.6%). The more repeated non cutaneous clinical signs in the study were metabolic disorders (19.6%) and reproductive (19.2%). The diagnosis of the disease was confirmed dosing the thyroid hormone and TSH (18%), biopsy and histopathology of the skin (35.3%) also by the association of both procedures (46.7%). Within these last group of animals , the histopathology was considered as the most efficient diagnosis method for hypothyroidism (97.6% / 98.2%) as for the Hormone tests the efficiency of this diagnosis was less expressive: T4 Free (72.7% / 75.8%) e T4 Total (77.8% / 73.9%). A percentage of 68,5% of the animals with hypothyroidism , had 1 or 2 secondary diseases or associated to the endocrinopathy, from which immune mediated disorders (45,9%) were accentuated . 157 of the diagnosed patients were submitted to treatment, with positive results in 93.6% of the cases. The disease was most found in females (57,9%). Dogs from 1 to 8 years old (81,6%) represented the age range of the affected animals. There were 43 breeds of dogs involved in the study, from which Chow Chow, Shar pei and English Cocker Spaniel were considered to have predisposition for the disease. / Este estudo foi realizado no setor de Dermatologia da Cl?nica Veterin?ria Anim?lia Rio de Janeiro RJ, no per?odo de agosto de 1998 a dezembro de 2005. Do total de c?es atendidos na cl?nica (4107), 19,7% foram encaminhados ao setor, e em 266 destes (6,5%) foi diagnosticado hipotireoidismo. Em todos os c?es foram observadas altera??es na pele, enquanto que, 35,7% tinham tamb?m sintomas cl?nicos n?o cut?neos do hipotireoidismo. As dermatopatias mais comuns foram os dist?rbios de pelagem (65,8%) e os dist?rbios de queratiniza??o (46,6%). Dos sinais cl?nico-gerais n?o cut?neos, destacaram-se dist?rbios metab?licos (19,6%) e reprodutivos (19,2%). O diagn?stico de hipotireoidismo foi realizado atrav?s de dosagens dos horm?nios tireoidianos e TSH (18%), pela bi?psia e histopatologia de pele (35,3%) e pela associa??o entre estes m?todos (46,7%). Neste ?ltimo grupo de animais, a histopatologia foi considerada como o m?todo de diagn?stico mais eficaz para o hipotireoidismo (97,6% / 98,2%). Com rela??o ?s dosagens hormonais, a efic?cia para este diagn?stico foi menos expressiva: T4 Livre (72,7% / 75,8%) e T4 Total (77,8% / 73,9%). Dos animais com hipotireoidismo, 68,5% tinham 1 ou 2 doen?as secund?rias ou associadas ? endocrinopatia, das quais destacam-se os processos imunomediados (45,9%). Dos animais hipotireoideos, 157 foram submetidos ao tratamento, com resposta positiva em 93,6%. As f?meas (57,9%) foram mais acometidas. Animais com idades entre 1 a 8 anos (81,6%) representaram a faixa et?ria mais freq?entemente afetadas. Dentre as 43 ra?as de c?es acometidas, foram consideradas predispostas Chow Chow, Shar pei e Cocker Spaniel Ingl?s.

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