Ultrasound-guided LMBB by Caudal-cranial Approach: Radiographic Comparison of a New Ultrasound-guided Method — BLEPAC  

Chronic Low-back Pain Clinical Trial

Official title: Ultrasound-guided Medial Lumbar Bundle Branch Block by Caudal-cranial Approach: Radiographic Comparison of a New Ultrasound-guided Method

Status Recruiting

Clinical Trial Summary

The current standard technique is radiography requiring three uni- or bilateral punctures (transverse-axial plane). The ultrasound technique is also described mainly in this plan but a new "caudal-cranial" ultrasound-guided technique was described by Chang et al in 2018 in which the major axis is used to conduct the needle to the desired area. The investigators would like to confirm that this new technique in a single puncture is also possible under ultrasound.

Clinical Trial Description

The convex probe is first positioned in the median longitudinal plane opposite the spinous processes of the lower lumbar vertebrae L4 and L5 with the coordinate system on the cranial side and the side opposite the mark on the sacrum side. The latter is visualized as a hyperechogenic continuous line. The probe is then moved away from the midline, the probe is slightly inclined in an oblique paramedian position looking towards the midline, and gradually slid towards laterality in order to reveal successively, the plane of the laminar interlines of the L3, L4 and L5 vertebrae, then the plane of the facelet spacing of these same vertebrae at the junction of the upper and lower articular processes, finally the plane of their transverse processes ;

Related Conditions & MeSH terms

• Chronic Low-back Pain
• Low Back Pain
• Lumbar Facet Joint Syndrome

• NCT number: NCT05930236
• Study type: Interventional
• Source: Erasme University Hospital
• Contact: Marie-Laure Nisolle, MD
• Phone: +32.2.555.56,19
• Email: marie-laure.nisolle@hubruxelles.be
• Status: Recruiting
• Phase: N/A
• Start date: April 21, 2023
• Completion date: June 2024