Influência do escore corporal sobre parâmetros cardiovasculares em Papagaios-verdadeiros (Amazona aestiva, Linnaeus, 1758) mantidos em cativeiro
Carregando...
Data
2019-03-08
Autores
Santos, Gisele Junqueira dos [UNESP]
Título da Revista
ISSN da Revista
Título de Volume
Editor
Universidade Estadual Paulista (Unesp)
Resumo
O presente estudo teve como objetivo avaliar a influência do escore corporal sobre parâmetros cardiovasculares (ecocardiográficos, eletrocardiográficos, tomográficos e radiográficos) em papagaios verdadeiros (Amazona aestiva) anestesiados e mantidos em cativeiro. Foram utilizadas 35 aves, sem distinção de sexo, agrupadas de acordo com a condição nutricional: Grupo Magro (n=11); Grupo Ideal (n=14); Grupo Obeso (n=10). Ao exame ecocardiográfico os papagaios obesos apresentaram menor o comprimento diastólico do VD em relação ao grupo magro. Os valores da fração de encurtamento (FE) do eixo transverso do ventrículo esquerdo (VE), FE do eixo longitudinal do VE e FE do eixo longitudinal do ventrículo direito (VD), para os papagaios obesos, apesar de não significativos, foram bastante inferiores aos dos animais em escore magro e normal. Na avaliação radiográfica e tomográfica, comparando as medidas dos diferentes grupos, não foram observadas diferenças significativas. No exame eletrocardiográfico foram determinados: frequência cardíaca (FC), ritmo cardíaco, duração e amplitude da onda P, duração do intervalo PR e complexo QRS (padrão rS), duração e amplitude da onda R, duração do intervalo RR e intervalo QT e QT corrigido (QTC), duração e amplitude da onda T, não se observando diferença significativa entre os grupos estudados. Concluiu-se que, assim como em mamíferos, alterações da condição nutricional em papagaios-verdadeiros (A. aestiva) acarretam em disfunções cardiovasculares, detectadas, entretanto, apenas ao exame ecocardiográfico. Os exames propostos foram facilmente executados na espécie, podendo ser incluído na rotina clínica das aves.
The aim of this study was to evaluate the influence of the body condition score (BCS) on cardiovascular parameters (echocardiographic, electrocardiographic, tomographic and radiographic) in parrots (Amazona aestiva) anesthetized and kept in captivity. Thirty-five birds were evaluated, regardless of gender, grouped according to the nutritional condition: Lean group (n = 11); Ideal group (n = 14); Obese group (n = 10). On echocardiographic examination, obese parrots presented lower diastolic length of the right ventricle (RV) than the lean group. The fractional shortening (FS) values of the left ventricle (LV) in transverse axis, LV FS and RV FS in longitudinal axis for the obese parrots, although not significant, were lower than those of the lean and normal animals. In the radiographic and tomographic evaluation, comparing the measurements of the different groups, no significant differences were observed. Cardiac frequency (HR), heart rate, duration and amplitude of the P wave, duration of the PR interval and QRS complex (rS pattern), duration and amplitude of the R wave, duration of the RR interval, QT and correct QT (QTc) intervals, duration and amplitude of the T wave were determined in the electrocardiographic exam. No significant difference was observed between the studied groups. It was concluded that, as in mammals, changes in nutritional status in parrots (A. aestiva) lead to cardiovascular dysfunctions, however, detected only on echocardiographic examination. The proposed tests were easily performed and can be included in the clinical routine of the birds.
The aim of this study was to evaluate the influence of the body condition score (BCS) on cardiovascular parameters (echocardiographic, electrocardiographic, tomographic and radiographic) in parrots (Amazona aestiva) anesthetized and kept in captivity. Thirty-five birds were evaluated, regardless of gender, grouped according to the nutritional condition: Lean group (n = 11); Ideal group (n = 14); Obese group (n = 10). On echocardiographic examination, obese parrots presented lower diastolic length of the right ventricle (RV) than the lean group. The fractional shortening (FS) values of the left ventricle (LV) in transverse axis, LV FS and RV FS in longitudinal axis for the obese parrots, although not significant, were lower than those of the lean and normal animals. In the radiographic and tomographic evaluation, comparing the measurements of the different groups, no significant differences were observed. Cardiac frequency (HR), heart rate, duration and amplitude of the P wave, duration of the PR interval and QRS complex (rS pattern), duration and amplitude of the R wave, duration of the RR interval, QT and correct QT (QTc) intervals, duration and amplitude of the T wave were determined in the electrocardiographic exam. No significant difference was observed between the studied groups. It was concluded that, as in mammals, changes in nutritional status in parrots (A. aestiva) lead to cardiovascular dysfunctions, however, detected only on echocardiographic examination. The proposed tests were easily performed and can be included in the clinical routine of the birds.
Descrição
Palavras-chave
Aves, Cardiologia, Ecodopplercardiográfico, Eletrocardiograma, Radiográfico, Tomografia, Birds, Cardiology, Echocardiography, Electrocardiogram, Radiographic, Tomography