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Year 2014 - Volume 34, Number 2
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Relation between opfthalmic ultrasound biometry and the morphometric parameters of the skull, age, weight and gender in domestic cats, 34(2):192-198
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ABSTRACT.- Ferreira M.A., Allemann N., Dias L.G.G.G. & Honsho C.S. 2014. [Relation between opfthalmic ultrasound biometry and the morphometric parameters of the skull, age, weight and gender in domestic cats.] Relação entre a biometria ultrassonográfica ocular e os parâmetros morfométricos do crânio, idade, peso e gênero em gatos domésticos. Pesquisa Veterinária Brasileira 34(2):192-198. Mestrado em Medicina Veterinária de Pequenos Animais, Universidade de Franca, Av. Dr. Armando Salles Oliveira 201, Pq. Universitário, Franca, SP 14404-600, Brazil. E-mail: crishonsho@unifran.br
Ocular ultrasonography is a helpful ophthalmic examination, performed on the absence of transparency in ocular means and frequently requested prior intraocular surgery. Unfortunately, the lack of studies upon ultrasonografic images of the normal feline eye, difficults the evaluation of its biometry and its inner structures in many ophthalmic diseases and also before surgery. The objective of this study was to evaluate the ocular biometry and the morphometric parameters of the cranium of 40 healthy adult cats, including 22 Persian cats (Brachycephalic group - BG) and 18 Mixed-breed cats (Noun brachycephalic group - NBG). B/A-mode ultrasonographic biometry, utilizing a 9 MHz probe, was performed for depth of the anterior chamber (D1), lens axial length (D2), depth of the vitreous chamber (D3) and axial length of the globe (D4). Morphometric parameters of the cranium were obtained for bizygomatic (BZ) and occipital frontal (OF) diameters. Data was collected and statistical analysis, including “t” paired tests, variance and covariance analysis and multiple linear regressions was performed for every obtained measure and also for animal ages, weigh and gender. Statistic relevant values were observed in D4 parameter for female cats of BG. Multiple linear regression indicated some influence of the weigh, age and OF in D1, D2 and D4 of PG; and of BZ in D1, D3 and D4 of NBG. Besides that, it was observed that biometry was also influenced by weigh, age and morphometric parameters of their craniums in both groups. |
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