Summary
In a prospective study 9 patients, who were going to have a synovectomy for rheumatoid arthritis of the knee, underwent dual photon absorptiometry before, and at intervals after, operation. This determined the degree of juxta-articular osteoporosis quantitatively. The density was compared to a control group with normal knees. The follow up measurements showed an improvement in the juxta-articular bone mineral content after the 6th month. This demonstrates that bone densitometry is an objective indicator of the development of juxta-articular osteoporosis in inflammatory joint disease.
Résumé
Dans une étude prospective on a effectué chez 9 malades atteints d'arthrite rhumatoïde une double photo-absorptiométrie avant une synovectomie du genou, ainsi que 3, 6, 12 et 24 mois après l'opération. Cet examen a permis d'évaluer quantitativement le degré d'ostéoporose juxta-articulaire. La densité osseuse a ensuite été comparée à un groupe de contrôle sans lésions du genou. Les mesures faites après synovectomie montrent une augmentation de la minéralisation osseuse à partir du sixième mois post-opératoire. Ceci prouve que la densitométrie de l'os constitue un indicateur objectif de l'évolution de l'ostéoporose juxta-articulaire dans les rhumatismes inflammatoires.
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Wetzel, R., Puhl, W. & Brecht-Kraus, D. The development of juxta-articular osteoporosis after synovectomy of the knee. International Orthopaedics 17, 188–192 (1993). https://doi.org/10.1007/BF00186384
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DOI: https://doi.org/10.1007/BF00186384