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Clinical Research

VAX-D Reduces Chronic Discogenic Low Back Pain – 4 year Study
Anesthesiology News (Odell R., MD. PhD, Boudreau D. DO, Volume 29, Number 3, March 2003).
This was a follow-up study on patients that have undergone VAX-D therapy for chronic lower back pain. Patients showed an 86% reduction in pain and 91% had resumed their normal activities four years later.

Efficacy of Vertebral Axial Decompression (VAX-D) on Chronic Low Back Pain: A Study of Dosage Regimen
Journal of Neurological Research (Gustav MD, Ramos G. MD, Volume 26, April 2004).
76% of 114 patients achieved remission of pain.

Dermatomal Somatosensory Evoked Potential Demonstration of Nerve Root Decompression After VAX-D Therapy
Journal of Neurological Research (Naguszewski W., MD, Naguszewski R., MD, Gose E., PhD, Volume 23, Number 7, October 2001).
77% reported pain reduction with successful decompression of the nerve roots at multiple levels.

A Prospective Randomized Controlled Study of VAX-D and TENS for Treatment of Chronic Low Back Pain
Journal of Neurological Research (Sherry E., MD FRACS, Kitchener P., MB FRANZCR, Smart R., MB, Ch. B, Volume 23, Number 7, October 2001).
VAX-D patients achieved a 68.4% success rate in patients with disc-related chronic low back pain. TENS recorded a 0% improvement

Short and Long-Term Outcomes Following Treatment with the VAX-D Protocol for Patients with Chronic Activity Limiting Low Back Pain
Journal of Orthopaedic & Sports Physical Therapy (Beattie PF., Nelson R., Michener L., Cammarata J., Donely J., Volume 35, Number 1, January 2005).
118 patients, with an unfavorable prognosis, reported significant improvements in their chronic low back pain.

Vertebral Axial Decompression Therapy for Pain Associated with Herniated or Degenerated Discs or Facet Syndrome: An Outcome Study
Journal of Neurological Research (Gose E., PhD, Naguszewski W., MD, Naguszewski R., MD, Volume 20, Number 3, April 1998).
VAX-D achieved a 71% success rate in 778 cases. Author considered VAX-D to be the primary modality for lumbar herniations, facet syndrome, degenerative discs, and decreased spinal mobility.

The Effects of Vertebral Axial Decompression On Sensory Nerve Dysfunction In Patients with Low Back Pain and Radiculopathy
Canadian Journal of Clinical Medicine (Tilaro F., MD, Miskovich D., MD, Volume 6, Number 1, January 1999).
64% of VAX-D patients achieved complete remission of their low back pain

Effects of Vertebral Axial Decompression On Intradiscal Pressure
Journal of Neurosurgery (Ramos G., MD, Martin W., MD, Volume 81, Number 3, 1994).
VAX-D creates a negative intradiscal pressure force as low as –160 mmHg

An Overview of Vertebral Axial Decompression
Canadian Journal of Clinical Medicine (Tilaro F., MD, Volume 6, Number 1, January 1999).
The average reduction in pain for VAX-D patients was 77% after treatments

Outcomes After Prone Lumbar Traction Protocol for Patients With Activity-Limiting Low Back Pain; A Prospective Case Series Study
Archives of Physical Medicine and Rehabilitation (Beattie P., PhD, PT, OCS, Nelson R., PhD, PT, Michener L., Phd, PT, ATC, SCS, Cammarata J., D.C., Donley J., DPT, Volume 89, February 2008).
There were improvements in pain intensity and RMDQ scores at discharge, and at 30 and 180 days after discharge in a sample of patients with activity limiting LBP

Prospective Randomized Study of VAX-D Therapy for Acute Low Back Distress
The John P. Roberts Institute, University Hospital at London (Peerless S., MD. FRCP, Meissner L., MD, FRCP, Barnett H. J.M., MD. FRCP, Stiller C. R., MD, FRCP, University of Western Ontario).
63% of the 55 patients that were treated with VAX-D therapy achieved success according to the study parameters

Surgery For Lumbar Disc Disease: 10 Case Studies
Sinclair Oil Corporation Study, Tulsa Oklahoma (Duncan D., MD, Keenan D., SPHR, PhD)
The inclusion of VAX-D as a necessary step for qualifying patients who fail conservative treatment, would save industry a minimum of $23,000,000 in direct costs for every 100 patients treated.

Practice of Minimally Invasive Spinal Technique, 2006 Edition

Chapter 35; VAX-D (Vertebral Axial Decompression):
“VAX-D should not be considered traction in the traditional sense but as decompression. VAX-D is the only non-invasive treatment that has been proven to decompress the disc; with other traction devices, there has been only indirect proof.”