Abstract
This study entails a prospective evaluation of lumbar closing wedge osteotomy for correction of thoracolumbar kyphotic deformity in ankylosing spondylitis. Twenty patients with a median age of 52 years (range, 26–70) underwent follow-up at one year. The lumbar closing wedge osteomtomy was stabilised by metallic rods fixed by transpedicular screws. Outcome measures were quality of life (EuroQol), occiput-to-wall distance, pain, fatigue, complications, technical and radiological evaluation. The technical result was good in 16 and fair in four patients; two had neuropraxia. The deformity was reduced an average of 17° (95% confidence interval 15–25°) at one-year follow-up. Pain during activity, pain at night, and fatigue were significantly reduced. EuroQol improved from 0.42 to 0.69 (p = 0.002) and occiput-to-wall distance from 26 to 18 cm (p = 0.005). Functional outcome was improved after lumbar closing wedge osteotomy in ankylosing spondylitis.
Résumé
Evaluation prospective d’une ostéotomie lombaire à foyer fermé pour correction de cyphose lombaire chez les patients présentant une spondylarthrite ankylosante. Matériel et méthode: 20 patients dont l’âge moyen était de 52 ans (entre 26 et 70 ans) ont été suivis pendant un an et demi. Les vertèbres lombaires ont été stabilisées par deux tiges métalliques fixées par des vis transpédiculaires. Le devenir des patients a été analysé selon les critères de vie EUROQOL, selon la déformation résiduelle, les douleurs, la fatigue, les complications et la radiologie. Résultats: les résultats ont été bons chez 16 patients et passables chez 4 patients qui présentaient des troubles neurologiques résiduels (neuropraxie). A un an de recul, a déformation a été réduite en moyenne de 17°. La douleur, l’activité et la fatigue ont été significativement diminuées. L’index d’EUROQOL amélioré de 0,42 à 0,69 (p = 0,002), la flèche de cyphose mesurée en C1 de 26 à 18 cm (p = 0,005). Conclusion: dans les spondylarthrite ankylosante, l’ostéotomie lombaire à foyer fermé peut améliorer le devenir fonctionnel des patients.
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The authors thank the patients who participated in the study and the nurses and nurse aids at the hospital departments and outpatient clinics.
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Brox, J.I., Helle, A., Sørensen, R. et al. Functional outcome after lumbar closing wedge osteotomy in ankylosing spondylitis. International Orthopaedics (SICOT) 33, 1049–1053 (2009). https://doi.org/10.1007/s00264-008-0590-3
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DOI: https://doi.org/10.1007/s00264-008-0590-3