Purpose To evaluate clinical and radiologic outcome of a series of patients treated with a removable percutaneous interspinous process spacer (IPS) (LobsterProject® Techlamed®) for symptomatic degenerative lumbar spinal stenosis (DLSS). Methods All patients treated in the two considered Centres with this IPS during 2019 were retrospectively reviewed. Patients with incomplete clinical or radiological documentation were not included. Procedures were performed under deep sedation or general anaesthesia by two interventional radiologists. Patients were clinically evaluated before intervention and at 3-month follow-up with Visual Analog Scale for pain (VAS), Oswestry Disability Index (ODI) and radiologically with MRI or CT scans. Neural foramina were independently measured for each patient on pre- and post-procedural CT scans by two radiologists.
Study Type
OBSERVATIONAL
Enrollment
59
percutaneous removable interspinous process spacer a neurologic intermittent clauditation due to a degenerative lumbar spinal stenosis.
Nice University Hospital
Nice, France
Oswestry Disability Index
Disability level evaluated with Oswestry Disability Index before intervention
Time frame: Baseline
Oswestry Disability Index
Disability level evaluated with Oswestry Disability Index after intervention
Time frame: 3 Months
Visual Analog Scale for pain
Pain level from 0 (no pain) to 100 (unbearable pain) before intervention
Time frame: Baseline
Visual Analog Scale for pain
Pain level from 0 (no pain) to 100 (unbearable pain) after intervention
Time frame: 3 Months
Variation of foraminal area
Variation of cross sectional area of neural foramina of the treated level on pre-procedural and post-rocedural CT scan
Time frame: Baseline
Variation of foraminal area
Variation of cross sectional area of neural foramina of the treated level on pre-procedural and post-rocedural CT scan
Time frame: 3 Months
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