Summary
Seventeen patients with spondylolysis and minimal spondylolisthesis were treated with a Morscher hook screw and bone grafting. At follow up, 82% had no symptoms and radiographs confirmed fusion of the isthmic defect. One patient had occasional pain, and two had an unsatisfactory result. They were both over 25 years of age and had a moderate displacement of 3–4 mm.
Résumé
Dix-sept malades, de 19 ans d'âge moyen, atteints de spondylolyse avec spondylolisthésis modéré ont été traités selon la méthode de fixation décrite par Morscher, au moyen d'une vis à crochet et par greffe iliaque. Les malades ont été revus avec un recul moyen de 3,6 ans. Chez 14 patients (82%) les résultats ont été excellents, avec consolidation radiologique de l'isthme. Chez un malade le résultat a été bon. Chez deux malades ayant dépassé l'âge de 25 ans et présentant une spondylolyse avec un glissement supérieur à 3–4 mm les résultats ont été mauvais. La technique est efficace chez les sujets jeunes, avant l'âge de 25 ans, atteints d'un spondylolisthésis avec déplacement modéré, ne dépassant pas 3 à 4 mm.
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Pavlovčič, V. Surgical treatment of spondylolysis and spondylolisthesis with a hook screw. International Orthopaedics 18, 6–9 (1994). https://doi.org/10.1007/BF00180169
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DOI: https://doi.org/10.1007/BF00180169