About this trial
To assess the need for additional fusion surgery versus the risk of a revision surgery in patients with degenerative lumbar spinal disease and to assess efficacy and risk of the ligamentous fixation technique (vertebropexy)
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age ≥ 18 years
Single-level or two-level lumbar surgery needed
Indication for decompression surgery in patients with spinal canal stenosis and additional stable degenerative listhesis (without facet joint effusion ≥ 2mm)
Indication for fusion surgery in patients with spinal canal stenosis and additional unstable degenerative listhesis (facet joint effusion ≥ 2mm), in patients with foraminal stenosis and additional degenerative listhesis, and in patients with segment degeneration of the disc
Disqualifiers
Indication for decompression and/or fusion surgery in patients with solely disc herniation, fractures, lytic listhesis, tumor
Patients undergoing revision surgery for infection
Patients undergoing revision surgery on the same level if bony structures have been removed (e.g. prior laminectomy or midline decompression)
Patients undergoing revision surgery in case of prior fusion surgery
Trial design
Parallel
Treatments tested in this trial
Vertebropexy
Procedure/Surgerymicrosurgical (i.e., the use of a microscope or magnifying glasses during decompression) lumbar laminotomy with partial removal of the medial facet joint by preserving the midline structures (supraspinous-interspinous ligament complex); approach: bilateral or ipsilateral with cross-over to the contralateral side. Additional stabilization of the spine with a ligament (for instance semitendinosus donor allograft), which connect the postoprior structures (Proc. Spinosus and/or Lamina) of the vertebrae . Situation-related application of laminar bands or analogous suture material (for instance FiberTape, Arthrex, Naples or Nile Band, K2M, Virginia)
Treatment groups
Trial outcomes
Primary outcomes
ODI (Oswestry Disability Index)
To assess and compare the clinical outcome of patients with spinal canal stenosis or foraminal stenosis +/- degenerative listhesis with either vertebropexy, decompression or fusion surgery
Secondary outcomes
VAS (Visual Analogue Scale)
To assess and compare the clinical outcome of patients with spinal canal stenosis or foraminal stenosis +/- degenerative listhesis with either vertebropexy, decompression or fusion surgery. VAS scale 0-10, 10 meaning the highest pain score and 0 no pain at all.
SSM symptoms/function (Spinal Stenosis Measure)
To assess and compare the clinical outcome of patients with spinal canal stenosis or foraminal stenosis +/- degenerative listhesis with either vertebropexy, decompression or fusion surgery
SSM satisfaction (Spinal Stenosis Measure)
To assess and compare the clinical outcome of patients with spinal canal stenosis or foraminal stenosis +/- degenerative listhesis with either vertebropexy, decompression or fusion surgery
EQ-5D (European Quality of Life Five Dimension)
To assess and compare the clinical outcome of patients with spinal canal stenosis or foraminal stenosis +/- degenerative listhesis with either vertebropexy, decompression or fusion surgery
Sponsors and contacts
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