Effectiveness of Erector Spinae Plane Block for Percutaneous Arthrodesis of Spinal Fractures

Condition(s) studied

Investigational drug(s) / intervention(s)

Erector spinae plane block with naropeine [3,75 mg/mL]: Erector spinae plane block Procedure: * Ultrasound scan with protective sleeve and sterile gel. Research of the thoracic spine process between T8 (for thoracic arthrodesis) and T12 (for lumbar arthrodesis) * Once the thorny process is identified, horizontal shift to the transverse process. * When the transverse process is spotted, sagittal rotation of the ultrasound probe * Skin puncture with an 80 mm hyperechogenic needle in the plane of the ultrasound probe. The needle will be placed in contact with the transverse process * Injection, after aspiration, of the solution prepared blindly by the anesthesiologist performing the procedure. For the ESPB group, a long-acting local anaesthetic: ropivacaine 3.75 mg/mL, 30 mL. * Repetition of the gesture for the transverse controlateral process

ESPB with saline 0,9%: Procedure for the Erector spinae plane block Procedure by NaCl 0.9%: * Ultrasound scan with protective sleeve and sterile gel. Research of the thoracic spine process between T8 (for thoracic arthrodesis) and T12 (for lumbar arthrodesis) * Once the thorny process is identified, horizontal shift to the transverse process. * When the transverse process is spotted, sagittal rotation of the ultrasound probe * Skin puncture with an 80 mm hyperechogenic needle in the plane of the ultrasound probe. The needle will be placed in contact with the transverse process * Injection, after aspiration, of the solution prepared blindly by the anesthesiologist performing the procedure. For the control group: saline isotonic serum 30 mL. Repetition of the gesture for the transverse controlateral process

Study summary

Spinal fracture surgery is a common surgery. Post-operative pain has been reduced by the advent of so-called minimally invasive techniques. The immediate post-operative pain, however, remains relatively high, mainly because of muscle pain following the trauma.

The erector spinae plane block (ESPB) is a loco-regional anesthesia technique first described in 2016.

A retrospective cohort study showed an improvement in post-operative analgesia of percutaneous osteosynthesis spinal surgery through a reduction in 24-hour morphine use.

In order to prove and confirm the effectiveness of this technique, we will conduct a double-blind randomized controlled study.

The objective will be to demonstrate the analgesic effectiveness of the technique by reducing morphine consumption in post-operative. The expected reduction in morphine consumption is set at 30%, based on the clinical experience developed in our practice.

Eligibility

Primary outcome measure(s)

• Morphine consumption for the first postoperative 24 hours — during the first 24H after the procedure
  Morphine consumption for the first postoperative 24 hours(mg)

Trial sites (1)

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