Postoperative Analgesia With a Catheter Under the Erector Spinae Muscle for Videothoracoscopic Lung Surgery

Patients in the experimental group will receive the Erector Spinae Catheter with an initial bolus ob 20ml 0,5% levobupivacaine prior the surgery and will be administered local anesthetics for 48 hours post-operatively.

Patients in the comparative group will receive standard treatment, i.e. the multi-level intercostal block with 20ml 0,5% levobupivacaine administered at the end of the surgery by the surgeon.

Patients in the experimental group will receive Ropivacaine 0,2% continous infusion of 5ml/h with boluses 15ml/4h by the Erector Spinae Catheter for 48 hours post-operatively.