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Original Article


Doppler ultrasonography of the pectinis oculi artery in Harpy Eagles (Harpia harpyja)

Wanderlei De Moraes, Thiago A.c. Ferreira, André Somma, Zalmir S Cubas, Bret A Moore, Fabiano Montiani-ferreira.


Cited By:6

Abstract
To measure blood velocity parameters of the pectinis oculi artery using Doppler ultrasonography and compare with values found in the same and in other arteries in other species to corroborate a previous hypothesis regarding pecten´s function in birds.
Twenty harpy eagles (Harpia harpyja) without systemic and ocular diseases were examined. Pectinate artery resistive index (RI) and pulsatility index (PI) were investigated using ocular Doppler ultrasonography.
The mean of RI and PI values respectively were: left eye (0.45 ± 0.11; 0.63 ± 0.21), right eye (0.43 ± 0.1; 0.61 ± 0.20) and both eyes (0.44 ± 0.10; 0.62± 0.20).
Low RI and PI values found in the Harpy eagle´s pectinis oculi artery compared with the American pekin ducks one and other tissues suggest indeed a high metabolic activity in pecten oculi and corroborates the hypothesis of a nutritional function and/or intraocular pressure regulation.

Key words: pecten oculi, Harpy eagle, pectinis oculi artery, resistive index, pulsatility


 
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How to Cite this Article
Pubmed Style

Moraes WD, Ferreira TA, Somma A, Cubas ZS, Moore BA, Montiani-ferreira F. Doppler ultrasonography of the pectinis oculi artery in Harpy Eagles (Harpia harpyja). Open Vet J. 2017; 7(1): 70-74. doi:10.4314/ovj.v7i1.11

Web Style

Moraes WD, Ferreira TA, Somma A, Cubas ZS, Moore BA, Montiani-ferreira F. Doppler ultrasonography of the pectinis oculi artery in Harpy Eagles (Harpia harpyja). https://www.openveterinaryjournal.com/?mno=245352 [Access: April 29, 2025]. doi:10.4314/ovj.v7i1.11

AMA (American Medical Association) Style

Moraes WD, Ferreira TA, Somma A, Cubas ZS, Moore BA, Montiani-ferreira F. Doppler ultrasonography of the pectinis oculi artery in Harpy Eagles (Harpia harpyja). Open Vet J. 2017; 7(1): 70-74. doi:10.4314/ovj.v7i1.11


Vancouver/ICMJE Style

Moraes WD, Ferreira TA, Somma A, Cubas ZS, Moore BA, Montiani-ferreira F. Doppler ultrasonography of the pectinis oculi artery in Harpy Eagles (Harpia harpyja). Open Vet J. (2017), [cited April 29, 2025]; 7(1): 70-74. doi:10.4314/ovj.v7i1.11


Harvard Style

Moraes, W. D., Ferreira, . T. A., Somma, . A., Cubas, . Z. S., Moore, . B. A. & Montiani-ferreira, . F. (2017) Doppler ultrasonography of the pectinis oculi artery in Harpy Eagles (Harpia harpyja). Open Vet J, 7 (1), 70-74. doi:10.4314/ovj.v7i1.11


Turabian Style

Moraes, Wanderlei De, Thiago A.c. Ferreira, André Somma, Zalmir S Cubas, Bret A Moore, and Fabiano Montiani-ferreira. 2017. Doppler ultrasonography of the pectinis oculi artery in Harpy Eagles (Harpia harpyja). Open Veterinary Journal, 7 (1), 70-74. doi:10.4314/ovj.v7i1.11


Chicago Style

Moraes, Wanderlei De, Thiago A.c. Ferreira, André Somma, Zalmir S Cubas, Bret A Moore, and Fabiano Montiani-ferreira. "Doppler ultrasonography of the pectinis oculi artery in Harpy Eagles (Harpia harpyja)." Open Veterinary Journal 7 (2017), 70-74. doi:10.4314/ovj.v7i1.11


MLA (The Modern Language Association) Style

Moraes, Wanderlei De, Thiago A.c. Ferreira, André Somma, Zalmir S Cubas, Bret A Moore, and Fabiano Montiani-ferreira. "Doppler ultrasonography of the pectinis oculi artery in Harpy Eagles (Harpia harpyja)." Open Veterinary Journal 7.1 (2017), 70-74. Print. doi:10.4314/ovj.v7i1.11


APA (American Psychological Association) Style

Moraes, W. D., Ferreira, . T. A., Somma, . A., Cubas, . Z. S., Moore, . B. A. & Montiani-ferreira, . F. (2017) Doppler ultrasonography of the pectinis oculi artery in Harpy Eagles (Harpia harpyja). Open Veterinary Journal, 7 (1), 70-74. doi:10.4314/ovj.v7i1.11


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