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Dual mobility cup in total hip arthroplasty. The experiense of the university hospital / Acetábulo de dupla mobilidade na artroplastia total do quadril. A experiência de um hospital universitário
Almeida, Raul Frankllim Carvalho.
  • Almeida, Raul Frankllim Carvalho; Universidade Federal do Maranhão. Hospital Universitário. Orthopedic and Traumatology Service. São Luís. BR
Rev. bras. ortop ; 55(6): 708-714, Nov.-Dec. 2020. tab, graf
Article in English | LILACS | ID: biblio-1156187
ABSTRACT
Abstract Objective To evaluate the incidence of prosthetic instability in a consecutive series of 42 cases of total hip arthroplasty using dual mobility cup. Methods A retrospective study of 38 patients undergoing primary or revision total hip arthroplasty (THA) using the acetabular dual-mobility cup (DMC) implant between January 2012 and January 2018. The rates of complications and instability after surgery were evaluated. Results In total, 42 arthroplasties were performed in 38 patients, with a minimum follow-up of 16 months. The mean age of the sample was 60 years. In 38 cases, we used a cementless DMC, and, in the other 4 cases, a cemented DMC. There were no cases of early or late instability. Conclusion The series herein presented proves the good result of the DMC in cases of primary arthroplasty, complex and complicated cases of failed osteosynthesis of proximal femoral fractures, and revision for THA instability. The absence of episodes of prosthetic instability and complications in complex cases of primary and revision THA increases the confidence in this concept.
RESUMO
Resumo Objetivo Avaliar a incidência de instabilidade protética em uma série consecutiva de 42 casos de artroplastia total do quadril com uso do acetábulo de dupla mobilidade. Métodos Estudo retrospectivo de 39 pacientes que passaram por artroplastia total de quadril (ATQ) primária ou de revisão usando taça de dupla mobilidade (TDM) acetabular entre janeiro de 2012 e janeiro de 2018. Foram avaliadas as taxas de complicações e de instabilidade após a cirurgia. Resultados Foram feitas 42 artroplastias em 38 pacientes, com um seguimento mínimo de 16 meses. A média de idade da amostra foi de 60 anos. Em 38 casos, usamos TDM sem cimento, e nos outros 4 casos, TDM cimentada. Não houve instabilidade precoce ou tardia. Conclusão A série aqui apresentada prova o bom resultado da TDM em artroplastias primárias, casos complexos e complicados de falha de osteossíntese de fratura proximal do fêmur, e cirurgia de revisão por instabilidade na ATQ. A falta de episódios de instabilidade prostética e complicações em casos complexos de ATQ primária ou de revisão aumentou a confiança nesse conceito.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Arthroplasty / Incidence / Retrospective Studies / Femoral Fractures / Fracture Fixation, Internal / Hip Prosthesis / Hospitals, University / Acetabulum Type of study: Incidence study / Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Rev. bras. ortop Journal subject: Orthopedics Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Maranhão/BR

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Full text: Available Index: LILACS (Americas) Main subject: Arthroplasty / Incidence / Retrospective Studies / Femoral Fractures / Fracture Fixation, Internal / Hip Prosthesis / Hospitals, University / Acetabulum Type of study: Incidence study / Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Rev. bras. ortop Journal subject: Orthopedics Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Maranhão/BR