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Description of surgical approaches and safe corridors of the thoracic limb of tamanduá-bandeira (Myrmecophaga thidactyla) by anatomic study of the musculature

Grant number: 19/26207-7
Support type:Scholarships in Brazil - Master
Effective date (Start): May 01, 2020
Effective date (End): April 30, 2022
Field of knowledge:Agronomical Sciences - Veterinary Medicine - Animal Clinics and Surgery
Principal Investigator:Bruno Watanabe Minto
Grantee:Thaís Vendramini Magalhães
Home Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil

Abstract

A neotropical mammal, considered vulnerable to extinction, the giant anteater has been the core of many studies recently regarding its morphology, especially due to the remarkable increase of veterinary visits. Lonely habits and slow movements contribute to the susceptibility of road kill, which is one of the causes of reduction in population density of these animals. The purpose of this study is to describe the muscular and neurovascular anatomy of the thoracic limb, with emphasis on the structures involving the humerus, radius and ulna, as well as to describe the possible surgical approaches and safe corridors for different fractures of these bones, compared to the surgical approaches used in dogs. Three giant anteaters and three dogs cadavers from deaths not related to this project will be used. These individuals will be fixed in 10% aqueous formaldehyde solution and kept immersed in a solution of equal concentration. The muscular and neurovascular anatomical structures of the thoracic limb will be thoroughly dissected, identified and recorded in both species. Surgical approach to the humerus, radius and ulna will be studied, described and schematized, allowing proper surgical planning for stabilization of fractures in traumatized anteaters. The results will be presented as anatomical description and safe corridors for surgical approach in this species, and compared with the approach performed in dogs. (AU)