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Study of the splenic stiffness by Acoustic Radiation Force Impulse (ARFI) elastography in healthy canines.

Grant number: 13/26197-5
Support type:Scholarships in Brazil - Master
Effective date (Start): January 01, 2015
Effective date (End): February 29, 2016
Field of knowledge:Agronomical Sciences - Veterinary Medicine - Animal Clinics and Surgery
Principal researcher:Marcus Antônio Rossi Feliciano
Grantee:Marjury Cristina Maronezi
Home Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil
Associated research grant:12/16635-2 - Elastography, contrast enhanced ultrasonography and Doppler as diagnostic of method of the mammary neoplasm, prostatic and testicular diseases in canines, AP.JP


The aim of this study is evaluate the stiffness of the splenic parenchyma of healthy dogs by ARFI (Acoustic Radiation Force Impulse) elastography determining the qualitative and quantitative standards (shear velocity) have not been described in veterinary. The animals will be divided in three groups to the specie studied of according to their age Group 1 = healthy young (20 animals) - three months to one year of age; Group 2 = healthy adults (20 animals) - one to five years of age; and Group 3 = senile healthy (20 animals) - five to ten years. After conducting preliminary examinations and checked the healthiness of the animals these will be submitted to the examination and conventional ultrasound and elastography (ARFI quantitative and qualitative) of the spleen tissue (in different anatomical regions) using the ACUSON S2000/SIEMEN ultrasound and specific software. The completely randomized experimental design is being used and a significance level of 5% for all tests

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BRITO, MARINA BOTELHO; MARONEZI, MARJURY CRISTINA; USCATEGUI, RICARDO A. R.; AVANTE, MICHELLE L.; SIMOES, ANA R.; MONTEIRO, FREDERICO O. B.; FELICIANO, MARCUS A. R. Ultrasonographic methods for evaluation of testicles in cats. REVISTA MVZ CORDOBA, v. 23, n. 3, p. 6888-6899, SEP-DEC 2018. Web of Science Citations: 0.
MARONEZI, MARJURY C.; FELICIANO, MARCUS A. R.; SIMOES, ANA PAULA R.; AVANTE, MICHELLE LOPES; USCATEGUI, RICARDO A. R. Ultrasonographic tools used in the evaluation of the canine spleen: A review. Revista Colombiana de Ciencias Pecuarias, v. 30, n. 3, p. 185-195, JUL-SEP 2017. Web of Science Citations: 1.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MARONEZI, Marjury Cristina. Elastografia acoustic radiation force impulse (ARFI), doppler e ultrassonografia contrastada do baço canino. 2016. Master's Dissertation - Universidade Estadual Paulista "Júlio de Mesquita Filho" Faculdade de Ciências Agrárias e Veterinárias..

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