Included are patients with neurogenic claudication or radicular leg pain due to spinal stenosis which do not respond to conservative therapy for at least 6 months.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: A subject must meet all of the following criteria: - Neurogenic claudication or radicular leg pain. - Complaints are due to MRI confirmed existence of lytic or degenerative Spondylolisthesis of maximal 50% or Meyerding Grade II, or spinal stenosis, at one or two levels. - Spine is expected to destabilize after simple lumbar decompressive surgery. - Single or double level fusion indicated. - Insufficient response to conservative therapy (physical therapy, analgesic medications, or trans-foraminal corticosteroid injections) for at least 6 months. - Age is between and including 18-70 years. - Be able to understand the Dutch language and comprehend the questionnaires and patient information. - Patients signed informed consent.
Exclusion criteria
Exclusion criteria: A potential subject who meets any of the following criteria will be excluded: - Iatrogenic Spondylolisthesis or more than 50% or more than Meyerding Grade II. - Inflammatory arthritis, Osteoporosis or other metabolic bone disease to a degree that it would influence fusion. - Contraindication for surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome parameter is speed of recovery on Oswestry Disability Index (ODI). | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcome parameters are ODI, cost (Cost intervention, postoperative health care use, and loss of productivity), VAS leg pain, VAS back pain, transformed Quality of Life VAS, Quality-Adjusted-Life Years (QALY) based on measured EuroQol (EQ-5D), ZCQ, Likert perceived recovery patient, Likert perceived recovery care provider, SF36, complications, operative morbidity (scar length, muscle damage assessed with CRP values), and fusion. | — |