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Utilizing dynamic rods with dynamic screws in the surgical treatment of chronic instability: a prospective clinical study

AIM: In this study, we examined the results of utilizing the agile posterior dynamic stabilization system with dynamic transpedicular screws in our patients. MATERIAL AND METHODS: Posterior dynamic instrumentation with agile rods and dynamic transpedicular screws was employed in 15 (seven male and eight female) patients (mean age = 42, ranging from 30 to 53). The average follow-up duration was 19 months (ranging from 12 to 25). The primary purpose for the surgery was degenerative disc disease. For subjective evaluation, patients underwent a physical examination utilizing the Oswestry disability index (ODI) and visual analogue scale (VAS). Radiographic parameters, including the angle of lumbar lordosis (LL), angle of segmental lordosis (alpha) and intervertebral space (IVS), were also evaluated. Both subjective patient evaluations and radiographic parameters were assessed at the 3rd and 12th postoperative months. RESULTS: Significant postoperative improvements were observed in the ODI and VAS measurements (P < 0.05). There were no significant differences in the LL, alpha and IVS parameters. One patient experienced a broken screw. CONCLUSION: We obtained good clinical results by utilizing dynamic rods with dynamic transpedicular screws Keywords : Adult,Bone Nails,Bone Screws,Female,Humans,instrumentation,Intervertebral Disc Displacement,Joint Instability,Lordosis,Lumbar Vertebrae,Magnetic Resonance Imaging,Male,methods,Middle Aged,Neurosurgery,pathology,Patients,Physical Examination,Prospective Studies,Spinal Fusion,surgery,Turkey,, Dynamic,Rods,With,Dynamic,Screws, shoulder injection video

Date of Publication : 2009 Oct

Authors : Kaner T;Sasani M;Oktenoglu T;Cosar M;Ozer AF;

Organisation : Pendik State Hospital, Neurosurgery Department, Istanbul, Turkey. tkaner2002@yahoo.com

Journal of Publication : Turk Neurosurg

Pubmed Link : https://www.ncbi.nlm.nih.gov/pubmed/19847749

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