AN OVERVIEW OF VERTEBRAL AXIAL DECOMPRESSION- Part III The VAX-D Therapeutic Table-III Intradiscal pressures were significantly reduced to minus 150-160 mm Hg. It was observed that a threshold distraction tension was necessary to develop negative pressures in the disc. The extent of decompression measured in mm Hg follows an inverse relationship to the tensions applied. The significance of this study cannot be overemphasized. The reduction of intradiscal pressure to negative levels has far reaching therapeutic implications. Prior to the introduction of VAX-D, a non surgical method for disc decompression was unavailable. In numerous studies conventional traction has never demonstrated a reduction of intradiscal pressure to negative ranges, on the contrary many traction devices actually increased intradiscal pressure most likely secondary to reflex muscle spasm .Indications and General use of the VAX-D Therapy Table VAX-D is indicated for patients with low back pain that has been unresponsive to conventional therapy for 6-8 weeks. Patients with radiculopathies are also candidates. The presence of a neurological deficit does not affect patient eligibility since studies have revealed the outcome in patients with neurological deficits was not affected by surgical or medical management The presence of a rapidly progressive neurological deficit is an indication for surgery. Patients presenting with a fusion and the post surgical failed back syndrome may also be candidates. Contraindications for VAX-D therapy include infection, neoplasm, osteoporosis bilateral pars detect or Grade 2 spondylolisthesis if unstable, fractures, the presence of surgical hardware in the spine, and the cauda equina syndrome. Patients with lateral stenosis and central stenosis may respond if severe secondary changes are not present in the vertebra. The patient should be evaluated by a therapist or physician prior to initiating therapy and routine spine films are necessary to rule out any contraindications. A CT scan or MRI is not necessarily a prerequisite before therapy.
Posted on: Mon, 07 Oct 2013 05:46:57 +0000
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