High-intensity focused ultrasound (HIFU) is an emerging technology that allows for the targeted thermal ablation of deep tissues in a non-invasive manner, by concentrating acoustic energy on the target nerve, whilst preserving adjacent structures. Recently, open clinical studies have confirmed the feasibility, safety and efficacy of HIFU in patients with lumbar facet syndrome, with clinical response rates similar to those of RFA and no significant complications. This observational, prospective, non-interventional study aims to evaluate the clinical efficacy of lumbar medial branch ablation using this technique at 1, 3 and 6 months, as well as to assess patient satisfaction with the procedure. Only clinical data from patients undergoing the procedure in routine clinical practice will be collected.
Study Type
OBSERVATIONAL
Enrollment
60
Focal exposure, with a duration of 50 seconds and an energy output of 1000 joules. Monitoring of temperature and the patient's response is essential to avoid collateral damage. The objective is to achieve temperatures of 80-85 °C at the focus to induce thermal necrosis of the nerve.
Hospital Clinic de Barcelona
Barcelona, Barcelona, Spain
Verbal Numerical Rate Scale
0 - 10 Verbal Numerical Rate Scale
Time frame: 1, 3, 6 months
Oswestry Scale
Time frame: 1, 3 and 6 months
Catastrophisme scale
Time frame: 1, 3, 6 months
Brief Pain Inventory
Time frame: 1, 3, 6 months
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