Summary
This paper presents the early post-operative results of a non-constrained total shoulder joint prosthesis of the UCLA design in ten patients. Substantial relief of pain was achieved in eight patients. Half the patients showed an increased range of shoulder movement and only one prosthesis was unstable requiring reoperation.
Radiolucent zones at the cement-bone interface of the glenoid developed in several patients. The significance of these with regard to joint mobility, resultant forces and incipient loosening of the polyethylene component are discussed. No clinical signs of loosening occured in the observation period.
Résumé
Cet article rapporte les résultats à court terme d'une prothèse totale d'épaule, de glissement, type UCLA, chez dix malades. Une diminution spectaculaire des douleurs a été obtenue chez huit malades. La moitié de ceux-ci ont eu une augmentation de la mobilité de l'épaule et une seule prothèse s'est montrée instable, nécessitant une réintervention.
Des zones claires entre ciment et os sont apparues chez plusieurs malades au niveau de la cavité glénoïde. Leur signification est discutée vis-à-vis de la mobilité de l'épaule, de la résultante des forces et du descellement inapparent de la pièce de polyéthylène. Aucun signe clinique de descellement n'est apparu au cours de la période d'observation.
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Clarke, I.C., Hoy, A.L.S., Gruen, T.A. et al. Clinical and radiographic assessment of a non-constrained total shoulder. International Orthopaedics 5, 1–8 (1981). https://doi.org/10.1007/BF00286092
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DOI: https://doi.org/10.1007/BF00286092