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The relative clinical efficacy of surface-decalcified and wholly decalcified bone alloimplants

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Summary

The relative clinical efficacy of surface-decalcified and wholly decalcified bone alloimplants was studied by observing radiographically the incorporation of the two types into the recipient bone bed in cases of shelf arthroplasty of the hip joint. In all cases, the decalcified alloimplants were incorporated well in an intraskeletal site. However, in all five cases examined, wholly decalcified alloimplants in a paraskeletal site were resorbed with little or no new bone deposition. In contrast, surface-decalcified alloimplants in a paraskeletal site were consistently incorporated, though their complete integration required more than one year.

These findings show that, contrary to the results in experimental animals, increased decalcification of bone alloimplants reduced their clinical efficacy.

Résumé

Afin d'apprécier l'efficacité clinique des allogreffes osseuses décalcifiées en surface et totalement décalcifiées, nous avons comparé radiologiquement l'incorporation de ces deux types d'allogreffes dans le lit osseux récepteur chez des malades opérés de butée de la hanche. Nous nous sommes référés aux résultats cliniques obtenus avec des autogreffes. Dans tous les cas, les deux types d'allogreffes décalcifiées se sont bien incorporés à l'os réceptuer. Cependant, dans les cinq cas examinés, les allogreffes totalement décalcifiées se sont résorbées avec peu ou sans apposition d'os nouveau. En revanche, les allogreffes décalcifiées en surface ont été parfaitement incorporées, bien qu'il ait fallu plus d'un an pour obtenir cette incorporation.

Ces constatations indiquent que, contrairement `a ce que l'on aurait pu attendre des résultats de l'expérimentation animale, la décalcification accrue des allogreffes osseuses réduit leur efficacité clinique.

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Kakiuchi, M., Ono, K. The relative clinical efficacy of surface-decalcified and wholly decalcified bone alloimplants. International Orthopaedics 11, 89–94 (1987). https://doi.org/10.1007/BF00266692

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