Anatomical basis for study of acetabular migration of the prosthetic cup used in arthroplasty of the hip: a new technique for measurement of migration
- 1 September 1985
- journal article
- research article
- Published by Springer Nature in Surgical and Radiologic Anatomy
- Vol. 7 (3) , 171-173
- https://doi.org/10.1007/bf01654638
Abstract
A retrospective study was carried out on 96 partial hip prostheses. Results of this study led us to define new radiological criteria for evaluation of the anatomical position of the prosthetic cup in the acetabulum. A method of measurement of the migration of the prosthetic cup in the acetabulum is proposed based on the results of roentgenological and anatomical study. The anatomical landmarks, geometric constructions and methods of computation of such measurement are described. The application of this technique to radiological/anatomical study was found to be reliable and allowed the determination of prognostic factors indicative of poor acetabular tolerance of the prosthetic cup. A l'occasion d'une étude rétrospective de 96 prothèses de hanche de type intermédiaire, les auteurs ont défini de nouveaux critères radiologiques permettant d'évaluer la position anatomique de la cupule dans le cotyle. Ils proposent une méthode de mesure de migration cotyloïdienne basée sur une étude radioanatomique préalable. Les repères utilisés, les constructions géométriques ainsi aue les méthodes de calculs sont décrits. L'application radio-clinique s'est révélée tout à fait fiable, et a permis de déterminer les facteurs de pronostic de mauvaise tolérance des cupules de hanche en regard du cotyle.Keywords
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