2015
DOI: 10.1590/s0100-736x2015000300011
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Normal values of b-wave responses of full-field electroretinogram in Lhasa Apso dogs with cataracts according to age

Abstract: Lhasa Apso dogs with immature, mature or hypermature cataracts were divided into four groups according to their age (G1: 1 to 3 years old, G2: 4 to 7 years old, G3: 8 to 11 years old, G4: more than 12 years old). All animals were evaluated under the same sedation protocol to allow the performance of the electroretinogram (ERG) exam to determine normal value of b-wave response of the full-field ERG according to age. Three ERG responses were recorded: rod, maximal and cone responses. The amplitude values and b-w… Show more

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Cited by 2 publications
(5 citation statements)
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“…Poodles were selected for the present study because of the popularity of the breed in Brazil and the frequent development of cataracts in the breed. 24,25 The age range (4-14 years old) was based on the age when Poodles commonly develop cataracts (8.3 ± 3.9 years old). 26 In the present study, the mean visual acuities in cycles/ degree were 5.9, 2.6, and 5.2 cpd, in the phakic, aphakic, and pseudophakic groups, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…Poodles were selected for the present study because of the popularity of the breed in Brazil and the frequent development of cataracts in the breed. 24,25 The age range (4-14 years old) was based on the age when Poodles commonly develop cataracts (8.3 ± 3.9 years old). 26 In the present study, the mean visual acuities in cycles/ degree were 5.9, 2.6, and 5.2 cpd, in the phakic, aphakic, and pseudophakic groups, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…Na resposta de cones, diferença significativa foi encontrada nos valores de amplitude entre as faixas etárias de 1 a 5 anos e 6 a 10 anos. como Poodle e Lhasa Apso, utilizando-se do mesmo aparelho (SAFATLE et al, 2010a;GÓES et al, 2015). Esse resultado era esperado e é compatível com estudos de eletrorretinogramas na medicina humana, onde as amplitudes de todas as respostas também apresentam diminuição de valores com a progressão da idade (MCCULLOCH et al, 2015 (GÓES et al, 2015).…”
Section: Materiais E Métodosunclassified
“…como Poodle e Lhasa Apso, utilizando-se do mesmo aparelho (SAFATLE et al, 2010a;GÓES et al, 2015). Esse resultado era esperado e é compatível com estudos de eletrorretinogramas na medicina humana, onde as amplitudes de todas as respostas também apresentam diminuição de valores com a progressão da idade (MCCULLOCH et al, 2015 (GÓES et al, 2015). Outro estudo, que compara quatro raças de cães, também corrobora a variação de amplitude entre diferentes raças (SUSSADEE et al, 2015).…”
Section: Materiais E Métodosunclassified
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