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Comparative Study of the Osteointegration of Irradiated and Non-irradiated Bone...
Silva,André Ferreira da; Antebi,Uri; Honda,Emerson Kiyoshi; Rudelli,Marco; Guimarães,Rodrigo PereiraAbstract Objective To evaluate and compare the osteointegration of irradiated and nonirradiated frozen bone grafts used in 21 patients undergoing revision hip arthroplasty procedures with the Exeter technique. Methods A retrospective study of 21 patients undergoing revision hip arthroplasty with the Exeter technique using bone tissues treated or not with gamma radiation between 2013 and 2014. The patients were ...
Supra-acetabular fixation and sacroiliac screws for treating unstable pelvic ri...
Guimarães,Rodrigo Pereira; Ribeiro,Arthur de Góes; Ulson,Oliver; Ávila,Ricardo Bertozzi de; Ono,Nelson Keiske; Polesello,Giancarlo CavalliOBJECTIVE: To analyze the treatment results from 20 patients who underwent an alternative osteosynthesis method as definitive treatment for pelvic ring fractures. METHODS: A retrospective analysis was conducted on a series of 20 patients with pelvic ring fractures (Tile type C) and a high risk of postoperative infection, who were treated at Santa Casa de Misericórdia de São Paulo between August 2004 and Decembe...
Effects of ionizing radiation on proteins in lyophilized or frozen demineralize...
Antebi,Uri; Mathor,Monica Beatriz; Silva,André Ferreira da; Guimarães,Rodrigo Pereira; Honda,Emerson KiyoshiOBJECTIVE: The aim was to study the effects of application of ionizing radiation (gamma and electrons) as sterilizing agents at doses of 15 kGy, 25 kGy and 50 kGy, on lyophilized or frozen demineralized bone tissue for use in transplants. METHODS: Five human femoral diaphyses from different donors of musculoskeletal tissue were demineralized and preserved as lyophilized or frozen at -80 °C. The samples were div...
Is the size of the acetabular bone lesion a predictive factor for failure in re...
Guimarães,Rodrigo Pereira; Yonamine,Alexandre Maris; Faria,Carlos Eduardo Nunes; Rudelli,MarcoABSTRACT OBJECTIVE: The aim of this study was to determine the acetabular bone lesion size (in millimeters) from which impacted bone graft failure starts to occur more frequently, through simple anteroposterior hip radiographs, and whether measurement of the defect on simple radiographs maintains the same pattern in inter and intraobserver assessments. METHODS: Thirty-eight anteroposterior pelvic-view radiograp...
PRP IN THE TREATMENT OF TROCHANTERIC SYNDROME: A PILOT STUDY
Ribeiro,Arthur de Góes; Ricioli Junior,Walter; Silva,Alice Roxo Nobre Sousa e; Polesello,Giancarlo Cavalli; Guimarães,Rodrigo PereiraABSTRACT Objective: To compare the efficacy of platelet rich plasma (PRP) against corticosteroid on the treatment of trochanteric pain syndrome . Methods: From July 2011 to November 2012, eighteen patients (20 hips) with trochanter pain syndrome were randomized in two groups and treated with platelet rich plasma or triamcinolone infiltration guided by ultrasound. Pain and function were evaluated prior to the in...
Epidemiology of fractures of the proximal third of the femur in elderly patients ☆
Daniachi,Daniel; Santos Netto,Alfredo dos; Ono,Nelson Keiske; Guimarães,Rodrigo Pereira; Polesello,Giancarlo Cavalli; Honda,Emerson KiyoshiABSTRACTOBJECTIVE: This was an epidemiological study on fractures of the proximal third of the femur in elderly patients who were treated at a teaching hospital in the central region of São Paulo. METHODS: The subjects were patients over the age of 60 years who were attended over a 1-year period. A questionnaire seeking basic sociodemographic data and information on comorbidities presented and medications used ...
Current possibilities for hip arthroplasty,
Polesello,Giancarlo Cavalli; Guimarães,Rodrigo Pereira; Ricioli Júnior,Walter; Ono,Nelson Keiske; Honda,Emerson Kiyoshi; Queiroz,Marcelo Cavalheiro deHip arthroscopy has been popularized over the last decade and, with technical advances regarding imaging diagnostics, understanding of the physiopathology or surgical techniques, several applications have been described. Both arthroscopy for intra-articular conditions and endoscopy for extra-articular procedures can be used in diagnosing or treating different conditions. This updated article has the objective o...
Tratamento cirúrgico para impacto femoroacetabular em um grupo que realiza agac...
Polesello,Giancarlo Cavalli; Cinagawa,Eduardo Hitoshi Tsuge; Cruz,Paulo Daniel Sousa Santa; Queiroz,Marcelo Cavalheiro de; Borges,Cristian JandreyOBJETIVO: Relatar os resultados do tratamento cirúrgico artroscópico de um grupo de pacientes que desenvolveram sintomas após atividades físicas repetitivas, movimentando o quadril em uma posição de hiperflexão, como leg press e agachamento. MÉTODOS: O grupo do estudo compreendeu 47 indivíduos (48 quadris) que desenvolveram o início dos sintomas dolorosos associados a exercícios de hiperflexão de quadril (leg p...
Avaliação da confiabilidade do Método Merle d'Aubigné e Postel Modificado
Ugino,Fernanda Kazue; Righetti,Carolina Moraes; Alves,Débora Pinheiro Lédio; Guimarães,Rodrigo Pereira; Honda,Emerson Kiyoshi; Ono,Nelson KeiskeOBJETIVO: Avaliar a confiabilidade inter-avaliadores do Método Merle d'Aubigné e Postel Modificado. MÉTODO: Participaram do estudo 45 pacientes, com média de idade de 57,93(+13,35), submetidos à artroplastia total de quadril. Todos foram avaliados por três pesquisadores, os quais receberam treinamento para uniformizar seus critérios. Realizou-se a avaliação pelo Método Merle d'Aubigné e Postel Modificado (assoc...
Proposta de padronização do estudo radiográfico do quadril e da pelve
Polesello,Giancarlo Cavalli; Nakao,Tarsila Sato; Queiroz,Marcelo Cavalheiro de; Daniachi,Daniel; Ricioli Junior,Walter; Guimarães,Rodrigo PereiraO diagnóstico das afecções do quadril e da pelve é baseado em história clínica detalhada, exame físico e exames complementares adequados para cada afecção. A radiografia simples ainda constitui o exame inicial de escolha e, diante da sua importância, existe a necessidade da realização de estudos radiográficos padronizados, tanto na sua execução quanto nas séries radiográficas, de acordo com as diferentes afecçõ...