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Lumbar spondyloptosis

A long term follow up of three cases

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Summary

This paper reports the long term results of 3 patients with lumbosacral spondyloptosis who were treated by closed reduction, followed by 6 to 12 weeks plaster cast immobilisation, posterior fusion and finally anterior fusion after a further 3 to 6 months. The follow up was from 7.5 to 10.5 years. Spondyloptosis was diagnosed by estimating the slip angle and the percentage slip. The initial slip angle ranged from 40° to 55° with 46%–91% slip. The average improvement in the slip angle after reduction was 82% with 74% improvement in slip. There was some loss of correction in every case by the end of treatment: the average improvement in slip angle was 59% (36%–78%) with an average 52% (25%–69%) correction of slip. Fusion was obtained in every case and the clinical results were very satisfactory.

Résumé

Cet article rapporte les résultats à long terme obtenus chez trois malades porteurs d'une spondyloptose lombo-sacrée, traités par réduction à foyer fermé, suivie d'une immobilisation en coquille plâtrée durant 6 à 12 semaines, puis par arthrodèse postérieure et finalement arthrodèse antérieure dans un délai de 3 à 6 mois. Le recul est de 7 ans et demi à 10 ans et demi. La spondyloptose a été évaluée par la mesure de l'angle et du pourcentage de glissement. L'angle initial de glissement variait de 40° à 55° avec un glissement de 46 à 91%. Le gain moyen de l'angle de glissement après réduction était de 82% avec une amélioration du glissement de 74%. Il y eut un certain degré de perte de la correction dans tous les cas en fin de traitement: le gain moyen de l'angle de glissement était de 59% (36 à 78%), avec une correction moyenne du glissement de 52% (25 à 69%). La fusion a été obtenue dans tous les cas et les résultats sont satisfaisants sur le plan clinique.

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Ferris, L.R., Ho, E. & Leong, J.C.Y. Lumbar spondyloptosis. International Orthopaedics 14, 139–143 (1990). https://doi.org/10.1007/BF00180118

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  • DOI: https://doi.org/10.1007/BF00180118

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