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Arthrodesis of the equine proximal interphalangeal joint: a biomechanical comparison of 3-hole 4.5mm narrow dynamic compression plate with two transarticular 5.5mm oblique cortical screws techniques and 7-hole "Y" locking compression plate 5.0 mm

Grant number: 11/13913-9
Support type:Regular Research Grants
Duration: November 01, 2011 - October 31, 2013
Field of knowledge:Agronomical Sciences - Veterinary Medicine - Animal Clinics and Surgery
Principal researcher:André Luis do Valle de Zoppa
Grantee:André Luis do Valle de Zoppa
Home Institution: Faculdade de Medicina Veterinária e Zootecnia (FMVZ). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Assoc. researchers: Carlos Adolfo Salazar Latorre

Abstract

The Lameness is the main cause of referral horses to veterinarians and a leading cause of referral these animals to Hospitals. Long bones fractures and joint fractures have the lower success rate, because of the high cost of the treatment and poor prognosis. The must be understood success the return of the horse to its previous athletic performance or at least to have useful life. The proximal interphalangeal joint (PIPJ) is clinically important because the injuries that involve it may put at risk the horses' sport life or its usefulness. The objective of this study is to compare the biomechanical properties of two PIPJ arthrodesis techniques using 4.5mm dynamic compression plate (DCP) in conjunction with two oblique abaxial transarticular 5.5mm cortical screws inserted in lag fashion and 7 hole 5.0mm "Y" locking compression plate (LCP) with one axial transarticular cortical screw inserted in lag fashion. It will be used twelve thoracic limb intact specimen from the first phalange to the foot. After full-limb preparations, two groups of six pieces each, will undergo arthrodesis with two kinds of plates methods of stabilizing adult equine forelimb PIP joints. Constructs will be submited to axial compression in single cycle to failure by biomechanical test. The failure of the screws or plate, and the force at wich it happen will be evaluated. Mean values for each fixation method will be compared using a paired t-test. (AU)

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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)
SALAZAR LATORRE, CARLOS ADOLFO; DE SOUZA, ANDERSON FERNANDO; RAMIREZ RAMOS, PAULA ANDREA; NOBREGA, FERNANDA SILVEIRA; MULDER VAN DE GRAAF, GUILHERME MAIA; MARTINS PEREIRA, CESAR AUGUSTO; AUADA FERRIGNO, CASSIO RICARDO; HENDRICKSON, DEAN A.; DO VALLE DE ZOPPA, ANDRE LUIS. Comparison of a 3-hole 4.5-mm Dynamic Compression Plate and a 7-hole 5.5-mm Y Locking Compression Plate for Arthrodesis of the Proximal Interphalangeal Joint in Horses-an Ex Vivo Biomechanical Study. Journal of Equine Veterinary Science, v. 94, NOV 2020. Web of Science Citations: 0.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.