Percutaneous Fixation of Unstable Fractures of the Dorso-Lumbar Spine Using WSH Plate and Cannulated Screws System
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- Category: Vol. 80, March 2012
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Percutaneous Fixation of Unstable Fractures of the Dorso-Lumbar Spine Using WSH Plate and Cannulated Screws System,EMAD G.K. EL-BANNA and AMR M.S. ABDEL MEGUID
Abstract
Standard techniques for lumbar pedicle screw fixation involve open exposures and extensive muscle dissection that is associated with extensive blood loss, long hospital stays, and high cost. Mini-invasive techniques are widely accepted as being the less aggressive procedure in any kind of surgery. Further attempts of development of percutaneous techniques in spinal surgery were reported, but little among them with a real success.
The aim of the present study is to evaluate the early results of treatment of unstable fractures of the dorso-lumbar spine using the WSH (world spine holding) percutaneous spine fixation system.
From April 2009 to April 2010 fifteen patients aged 17- 55 years with unstable fractures of the dorso-lumbar spine without neurological impairment were treated in Beni-Suef University and Insurance Hospitals with the WSH percutaneous spine fixation system. The range of follow up the patients was 6-18 months. The mean operative time was around one hour and blood loss was negligible. The mean hospital stay was two days.
According to the modified Macnab criteria, excellent results are 80%, good results are 13.5% and fair results are 6.5%. Complications included only one patient with subcuta-neous hematoma.
The results of the percutaneous fixation of the dorso-lumbar fracture were promising allowing biomechanically sound internal spine fixation with minimal tissue trauma and achieving the same result as more traditional, invasive ap-proaches.