Selective Block of the Axillary Nerve in Postoperative Pain Management

Selective Block of the Axillary Nerve in Postoperative Pain Management, a Randomised, Blinded, Placebo-controlled Trial

In this study the investigators wish to compare the effect of a selective axillary nerve block to placebo in patients undergoing arthroscopic shoulder surgery.

It is the investigators hypothesis that the amount of morphine consumption in the first 4 hours postoperatively in the intervention group will be significant lower than in the placebo group.

Inclusion Criteria:

• Subjects undergoing arthroscopic shoulder surgery
• Age between 18 and 80 years
• ASA 1-3
• BMI between 18 and 35 kg/m2
• Subjects which have given their written informed consent

Exclusion Criteria:

• Subjects unable to cooperate to the investigation
• Subjects not understanding or speaking danish
• Subjects allergic to intervention drugs
• Daily use of strong analgesics (morphine, oxycontine, ketogan)
• Alcohol or medicine misuse
• Failure of nerve block