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Revista Brasileira de Ortopedia

versión impresa ISSN 0102-3616


VICENTE, José Ricardo Negreiros et al. The influence of the surgical approach concerning dislocation in total hip arthroplasty. Rev. bras. ortop. [online]. 2009, vol.44, n.6, pp.507-507. ISSN 0102-3616.

OBJECTIVES: Our primary aim was to evaluate the occurrence of dislocation of non-cemented total hip arthroplasty, when using the posterior and the direct lateral approaches. METHODS: We performed a comparative retrospective study with 232 patients submitted to non-cemented total hip arthroplasty, due to the diagnosis of primary or secondary osteoarthritis. The posterior approach was used in 105 patients while direct lateral approach was used in 127 patients. There was only one prosthesis model and the same rehabilitation program and post-operative care was used for all patients. We checked the occurrence of dislocation, the acetabular positioning and also the size of the components. RESULTS: There was only one case of dislocation, treated with closed reduction successfully. This was a 47 year-old female, submitted to direct lateral approach. The mean follow-up time for both groups was 23.7 months, ranging from six to 42 months. Conclusion: The authors conclude that the prevalence of total hip arthroplasty dislocation is similar for both approaches, and educational measures besides the use of a higher femoral offset seem to reduce the risk of this complication.

Palabras clave : Hip; Arthroplasty; Hip dislocation.

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