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Master's Dissertation
DOI
https://doi.org/10.11606/D.10.2005.tde-12052009-134707
Document
Author
Full name
Andréa Cristina Parra
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2005
Supervisor
Committee
Birgel, Eduardo Harry (President)
Araujo, Wanderley Pereira de
Távora, Juarez Pinto Fernandes
Title in Portuguese
Variações da crase sangüínea durante a hiperimunização e após sangria e plasmaferese em eqüinos de produção de soro hiperimune anti-crotálico
Keywords in Portuguese
antivenenos
crotálico
eqüinos
hematologia
hiperimunização
plasmaferese
Abstract in Portuguese
Para o estabelecimento do quadro sangüíneo de eqüinos durante a hiperimunização para produção de soro hiperimune anti-crotálico e após as sangrias de produção e a plasmaferese, foram utilizados 20 animais, obedecendo as normas do protocolo de hiperimunização do Instituto Butantan. As amostras foram colhidas antes das inoculações do antígeno (veneno crotálico), antes e depois das sangrias de produção, após as plasmafereses e 15, 30 e 45 dias após a última sangria, totalizando 340 colheitas, realizadas em 17 momentos. Nas amostras, foram determinados valores do hemograma (número de hemácias, volume globular, teor de hemoglobina, VCM, HCM, CHCM, número de leucócitos, contagem diferencial de leucócitos) e de alguns parâmetros de bioquímica sérica (ferro, transferrina e bilirrubinas). Significativas variações no quadro hematológico dos eqüinos foram observadas na fase de hiperimunização, caracterizando anemia normocítica, normocrômica, sem alterações significativas do leucograma. Além disso, verificou-se diminuição significativa da sideremia associada ao aumento da concentração de transferrina sérica, permitindo classificar-se a anemia, como do tipo ferropriva. Nas fases de sangrias, observou-se evidentes variações no quadro hematológico demonstrando uma anemia hipocitêmica normocítica hipercrômica pós-sangrias, sem variações nos valores do leucograma, mas com significativas variações nos constituintes bioquímicos (diminuição do ferro sérico e aumento da concentração de transferrina). No período de repouso foi evidente a eficácia da plasmaferese, com pronta , mas parcial recuperação do hemograma e da sideremia dos animais anêmicos, facilitando o rápido retorno para normalidade hematológica, tornando-os aptos a nova produção de soro hiperimune.
Title in English
Variation of blood profile during the hyperimmunization and after bleeding and plasmapherese in equine serum hyperimune anticrotalic's production
Keywords in English
antivenins
crotalic
equine
hematology
hyperimmunization
plasmapherese
Abstract in English
Twenty animals were used to assess the blood profile of horses during hyperimmunization for anticrotalic hyperimmune serum production and after the bleedings of production and the plasmapherese, obeying the protocol schedule of Instituto Butantan. The samples were obtained before the antigen inoculations (crotalic poison), before and after the bleedings of production, right after the plasmapherese and 15, 30 and 45 days after the last one, making a total of 340 collections in 17 moments. Samples were analyzed for hemogram (number of erythrocytes, packed cell volume, hemoglobin, MCV, MCH, MCHC, white cell count, differential leukocytes count) and some serum biochemical components (iron, transferrin and bilirrubin). Significant variations were observed on the blood profile of the horses throughout the hyperimmunization, showing normocytic, normochromic anemia, without significant alterations on leukogram. Beside that, a significant reduction of the hemosiderin was observed in association with the elevation of the serum transferrin concentration, making possible its classification as an iron deficiency-like anemia. During the bleedings phases, evident variations were observed on the blood profile showing pos-sangrias hypocitemic normocytic, hyperchromic anemia without changing the leukogram values, but with significant variations on the biochemical components (reduction of serum iron and increase of transferrin concentrations). During rest periods, the efficacy of plasmapherese was evident with a rapid but partial recuperation of the hemogram and the hemosiderin of the anemic animals, making easier the fast return of hematologic normality and making them capable to a new hyperimmune serum production.
 
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Publishing Date
2010-03-17
 
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