The goal of this interventional study is to is to compare the effect of a tap block versus a placebo in patients undergoing anterior lumbar spine surgery.
The main question it aims to answer :
• whether tap block can reduce the need for postoperative pain medication Participants will be randomized into two groups and all postoperative pain medication will be recorded over 3 days.
Researchers will compare tap block vs placebo to see if it reduces postoperative pain.
Patient who has been informed about the study and has co-signed a consent form with the investigator. consent to participate in the study.
Patients over 18 years of age scheduled for abdominal disc surgery on one or two levels.
Patient with ASA criteria 1, 2 and 3.
Patients with intolerance or contraindication to paracetamol, anti-inflammatory or morphine.
Patients allergic to local anesthetics.
Pregnant or breast-feeding patient.
patient undergoing cancer or trauma surgery trauma.
Parallel
Levobupivacaine
DrugPatients in the tap block arm will receive an injection of levobupivacaine 2.5mg/ml
Placebo Tap block
Other interventionPatients in the placebo arm will receive an injection of salin solution 2.5mg/ml , in the same way as tap block
Analgesic consumption
The use of analgesics (oral or venous) during the during the 72 hours following surgery
Pain assessment will be reported for 72 hours after surgery measured on a Visual analogue scale between 0 and 10
Pain assessment for 72 hours after surgery, measured on a scale between 0 and 10 (VAS scale ), where 0 is no pain and 10 is maximum pain
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