The Tap Block Technique Via the Anterior Approach in Elective Surgery of the Spine

THE TAP BLOCK TECHNIQUE VIA THE ANTERIOR APPROACH IN ELECTIVE SURGERY OF THE SPINE: Prospective, Randomised, Double Blind Trial, Comparing TAP BLOCK With Continuous Infiltration of Ropivacaine Versus Placebo

This is a prospective, single-centre, randomised, double-blind trial, comparing TAP block with continuous infiltration of ropivacaine versus placebo.

Procedure:

Once consent has been obtained, patients will be randomised into one of the two groups: Ropivacaine or Placebo. At the end of the operation, the TAP block will be implemented via a catheter inserted by the anaesthetist.

Inclusion Criteria:

• Patients over 18 yo who have provided written informed consent
• Patients with an indication for elective spinal surgery using laparotomy
• Patients with national health insurance cover

Exclusion Criteria:

• Adults under guardianship
• Pregnant or breast-feeding women
• allergies or contra-indication for paracetamol, morphine-based drugs
• Contra-indication for ropivacaine
• Contra-indication for sodium chloride
• inability to understand PCA (patient-controlled anaesthesia)
• Hypersensitivity to ropivacaine or to other aminoamide local anaesthetics
• Hypovolemia