1. Doppler ultrasonography of the pectinis oculi artery in harpy eagles (Harpia harpyja)
- Author
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Wanderlei de Moraes, Zalmir Silvino Cubas, Bret A. Moore, Thiago Alegre Coelho Ferreira, Fabiano Montiani-Ferreira, and André Tavares Somma
- Subjects
Intraocular pressure ,medicine.medical_specialty ,Blood velocity ,General Veterinary ,040301 veterinary sciences ,business.industry ,04 agricultural and veterinary sciences ,Anatomy ,Pulsatility index ,Resistive index ,0403 veterinary science ,03 medical and health sciences ,symbols.namesake ,0302 clinical medicine ,medicine.anatomical_structure ,Ophthalmology ,030221 ophthalmology & optometry ,Pecten oculi ,medicine ,symbols ,sense organs ,Ultrasonography ,business ,Doppler effect ,Artery - Abstract
Twenty harpy eagles (Harpia harpyja) without systemic or ocular diseases were examined to measure blood velocity parameters of the pectinis oculi artery using Doppler ultrasonography. Pectinate artery resistive index (RI) and pulsatility index (PI) were investigated using ocular Doppler ultrasonography. The mean RI and PI values across all eyes were 0.44±0.10 and 0.62±0.20 respectively. Low RI and PI values found in the harpy eagle´s pectinis oculi artery compared with the American pekin ducks one and other tissue suggest indeed a high metabolic activity in pecten oculi and corroborates the hypothesis of a nutritional function and/or intraocular pressure regulation.
- Published
- 2017
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