RESUMEN
OBJECTIVE: To retrospectively evaluate the preliminary postoperative results of modified Dega-type acetabular osteotomy to treat developmental dysplasia of the hip, confirming the efficacy and reproducibility of this technique. METHODS: This retrospective study included patients older than 18 months. A total of 19 hips underwent modified Dega osteotomy. RESULTS: Satisfactory results were obtained, with an average decrease of the acetabular index from 39.2 to 20.6 degrees. The final average center edge angle was 29.6 degrees. Hip joint congruence was reestablished in all cases, and as of this writing, only one case developed necrosis in the femoral head during follow-up. CONCLUSION: Modified Dega osteotomy demonstrated good initial results, as well as the potential for use in treating developmental dysplasia of the hip. Level of Evidence IV; Case series.
OBJETIVO: Avaliar, retrospectivamente, os resultados preliminares do pós-operatório de pacientes com displasia do desenvolvimento do quadril, tratados com osteotomia acetabular do tipo Dega modificada e, dessa forma, confirmar a eficácia da técnica. MÉTODOS: Neste estudo retrospectivo foram incluídos pacientes com idades acima de 18 meses. No total, 19 quadris foram submetidos à osteotomia de Dega modificada. RESULTADOS: Os resultados foram satisfatórios, com diminuição média do índice acetabular de 39,2 para 20,6 graus. A média final do ângulo centro-borda foi de 29,6 graus. Em todos os casos houve restabelecimento da congruência articular dos quadris e, até o momento, um caso apresentou necrose da cabeça do fêmur no mesmo período do seguimento. CONCLUSÃO: A osteotomia de Dega modificada demonstrou bons resultados iniciais e potencial para ser empregada no tratamento da displasia do desenvolvimento do quadril. Nível de Evidência IV; Série de casos.
RESUMEN
ABSTRACT Objective: To retrospectively evaluate the preliminary postoperative results of modified Dega-type acetabular osteotomy to treat developmental dysplasia of the hip, confirming the efficacy and reproducibility of this technique. Methods: This retrospective study included patients older than 18 months. A total of 19 hips underwent modified Dega osteotomy. Results: Satisfactory results were obtained, with an average decrease of the acetabular index from 39.2 to 20.6 degrees. The final average center edge angle was 29.6 degrees. Hip joint congruence was reestablished in all cases, and as of this writing, only one case developed necrosis in the femoral head during follow-up. Conclusion: Modified Dega osteotomy demonstrated good initial results, as well as the potential for use in treating developmental dysplasia of the hip. Level of Evidence IV; Case series.
RESUMO Objetivo: Avaliar, retrospectivamente, os resultados preliminares do pós-operatório de pacientes com displasia do desenvolvimento do quadril, tratados com osteotomia acetabular do tipo Dega modificada e, dessa forma, confirmar a eficácia da técnica. Métodos: Neste estudo retrospectivo foram incluídos pacientes com idades acima de 18 meses. No total, 19 quadris foram submetidos à osteotomia de Dega modificada. Resultados: Os resultados foram satisfatórios, com diminuição média do índice acetabular de 39,2 para 20,6 graus. A média final do ângulo centro-borda foi de 29,6 graus. Em todos os casos houve restabelecimento da congruência articular dos quadris e, até o momento, um caso apresentou necrose da cabeça do fêmur no mesmo período do seguimento. Conclusão: A osteotomia de Dega modificada demonstrou bons resultados iniciais e potencial para ser empregada no tratamento da displasia do desenvolvimento do quadril. Nível de Evidência IV; Série de casos.
RESUMEN
It has been advocated that total hip arthroplasty (THA) is probably the most successful surgical intervention performed in Medicine. In the 1960s, Sir John Charnley not only introduced, but also modified and improved the technique of cemented arthroplasties. The concepts on biological fixation established by Pillar and Galante served as the foundation for the development of uncemented implants that are now used worldwide. Currently, THA is a worldwide widespread surgery performed on millions of people. However, keeping abreast of the large number of information available on these procedures, especially on implant fixation, designs, different tribological pairings, and the long-term results can be challenging at times. This article is a brief update on the main aspects of THA.
A artroplastia total do quadril (ATQ) é uma das cirurgias de maior sucesso na história da medicina. Nos anos 1960, Sir John Charnley introduziu e aperfeiçoou as artroplastias cimentadas. Pillar e Galante estabeleceram os conceitos da fixação biológica, base para o desenvolvimento das artroplastias não cimentadas. Atualmente, a ATQ é uma cirurgia mundialmente difundida e feita em milhões de pessoas. No entanto, o grande número de informações disponíveis sobre as artroplastias, especialmente quanto à forma de fixação do implante ao osso, aos diferentes designs das hastes e dos acetábulos, aos diferentes pares tribológicos e aos resultados no longo prazo por vezes dificulta a tomada de decisão. Este artigo é uma breve atualização sobre os principais aspectos da ATQ.
RESUMEN
Total hip arthroplasty is effective in reducing pain and improving functional outcome for a variety of hip pathologies. Approximately 27% patients, however, complain of pain at 6 months' follow-up following surgery. The pain may worsen over time and can become severe and chronic in around 4% of patients who ultimately require revision surgery. Therefore, it is important for clinicians to comprehensively assess patients undergoing total hip arthroplasty in order to identify the underlying pathology of a painful hip and then offer prompt treatment. Causes of hip pain after total hip arthroplasty are analysed in this article, as well as the systematic approach to evaluation and appropriate diagnostic investigations.
Asunto(s)
Artroplastia de Reemplazo de Cadera/efectos adversos , Manejo del Dolor/métodos , Dolor Postoperatorio/terapia , Reoperación/estadística & datos numéricos , Anciano , Femenino , Humanos , Persona de Mediana Edad , Examen Físico , Complicaciones Posoperatorias/terapia , Falla de Prótesis/efectos adversos , Tomografía Computarizada por Rayos XRESUMEN
Total hip arthroplasty is being increasingly indicated for younger and more active patients, in addition to a naturally growing demand for the procedure because of increasing life expectancy among patients. The high costs of this surgery and the controversies regarding implant performance have made this topic the subject of constant research, seeking new materials with better resistance to wear and better biocompatibility. The present article provides a review of new surfaces in total hip arthroplasty.
RESUMEN
Among the options for femoral reconstruction in total hip arthroplasty (THA) revision procedures, in cases of extensive circumferential defects, is the use of proximal femoral allografts. This technique makes it possible to correct the hip abductor mechanism and the leg length discrepancy, as well as presenting osteoconductive potential. The authors report the clinical and radiographic results from two cases of THA revision using this technique, with a minimum follow-up of 20 years.
RESUMEN
OBJECTIVE: To evaluate the clinical and radiographic results from patients who underwent femoral reconstruction secondary to loosening of total hip arthroplasty, using circumferential proximal femoral allografts and cemented implants. METHODS: A retrospective study was conducted on 32 patients (33 hips) who underwent femoral reconstruction secondary to loosening of total hip arthroplasty, using circumferential proximal femoral allografts and cemented implants. Among these patients, 28 (29 hips) fulfilled all the requirements for this study. The mean follow-up was five years and two months. The clinical evaluation was done in accordance with the Harris Hip Score. Radiographically, the patients were assessed regarding reabsorption and consolidation of the allograft, migration of the greater trochanter, stability of the femoral component and heterotypic calcification. RESULTS: The average preoperative Harris Hip Score was 32 points. At the last postoperative follow-up, the average score was 82 points. Allograft resorption of some degree was seen in nine hips (31%). Regarding consolidation, 24 cases (82.8%) showed full consolidation, three (10.3%) showed partial consolidation and two (6.9%) showed pseudarthrosis. All femoral components were stable. According to the criteria established, 27 cases (93.1%) were considered to be successful reconstructions after a mean follow-up of five years and two months. CONCLUSION: From the results obtained, it was concluded that use of circumferential proximal femoral allografts in selected cases of femoral reconstruction secondary to loosening of arthroplasty presented a high survival rate from the reconstruction over an average follow-up of five years and two months.