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MINERVA ORTOPEDICA E TRAUMATOLOGICA
A Journal on Orthopedics and Traumatology
Minerva Ortopedica e Traumatologica 2011 April;62(2):83-7
Early results of non-fusion dynamic stabilization with InterS
Kaptan H. 1, Kasimcan Ö. 2, Birler S. 3, Ayaz M. 4
1 Selçuk University Selçuklu Medical School, Department of Neurosurgery, Konya, Turkey
2 Kırıkkale University School of Medicine Department of Neurosurgery, Kirirkkale, Turkey
3 Çagˇ Hospital Department of Neurosurgery, Ankara, Turkey
4 Selçuk University Selçuklu Medical School Department of Biophysics, Konya, Turkey
Aim. The current study aims to investigate the early out comes of the new technique applied to degenerative spinal disc disease (DSDD) patients. For this purpose 25 patients having DSDD, spinal stenosis and spondilolisthesis were included in the study. The treatments were performed on a two-stage procedure, first surgically with laminectomy, discectomy (when needed) and then the low invasive non-fusion dynamic stabilization with InterS.
Methods. The outcomes of the procedure has been followed up for 12 months. Patients were followed up by means of clinical and radiographic techniques. All of the three group of patients underwent a midline decompressive laminectomy with foraminotomies at the effected levels. Furthermore, in lumbar disc hernia cases, discectomy was performed. Oswestry pain scale was used for the clinical evaluation.
Results. The study included patients from both sexes (16 females, 9 males) with a mean age of 54.45 years (range 37-68). Symptoms and signs included pain (100), 15 patients have DDD, 7 patients have spinal stenosis, 3 patients spondylolisthesis. Localization was as follows: L3-4: 5 (20%), L4-5: 20 (80%). Satisfactory results were demonstrated in 21 (84%) patients. The average of Oswestry scores was 42.15 in the preoperative period and 8.8 in the postoperative period.
Conclusion. Non-fusion dynamic stabilization method of InterS type is a safe procedure. We believe this technique may reduce higher complication rates for patients with spinal stenosis and spondylolysthesis, degenerative disc disease. Motion preservation, early mobilization, short hospital stays and shorter recovery are the main advantages of the operation.