Patients had traditionally relied on health care professionals for advice and treatment options for most orthopaedic conditions including degenerative lumbar spine disease. However the unprecedented access to heath care information offered by the internet is changing the way how patients gather information and make treatment choices.
A power calculation was done to determine appropriate sample size needed for the study. Questionnaires were handed to willing patients who were attending back clinic for more 6 months and diagnosed to have degenerative lumbar spine disease. Each participant filled a 25 point survey and a total of 105 surveys were collected.
Low infection rate of 1.1%. Two cases of prolapsed discs at the same level requiring further discectomy and one case of iatrogenic L4 paraesthesia.
The Wallis implant treats pain, preserves mobility, anatomy and stability while being fully reversible, therefore leaving all subsequent options open.
35 patients were included in the trial; they were randomized to have DBM and autograft on one side, and autograft alone on other side to side. Patients were followed up with interval radiographs for total of 24mons. To date 20 patients have completed minimum 12mons follow up. The mineralization of fusion mass lateral to the instrumentation on each side was graded Absent, Mild (<
50%), Moderate (>
50%) or Complete fusion (100%). The assessment was made by two orthopaedic consultants and a musculoskeletal radiologist who were blinded to graft assignment.