Comparison of the Effect of Preoperative and Postoperative Erector Spina Plan Block and Paravertebral Block on Postoperative Pain in Video Assisted Thoracic Surgery (VATS)

"In both groups, the relevant methods will be applied at the level of the surgical incision before the surgical incision (pre-emptive) after the patient is asleep and before the patient wakes up at the end of surgery.~The dose of local anaesthetic to be administered is the same for both groups.~Drug content to be administered\*: total 25 cc volume (13.5 ml 0.5% bupivacaine + 5 ml 2% lidocaine + 1.5 ml morphine (morphine diluted with 0.9% NaCl to 1mg/ml) + 5 ml 0.9% NaCl) (These doses are the routine doses applied in such surgeries in our clinic)~\* Local anaesthetic drug doses in regional anaesthesia: source: Kirk, P. H. I. I. L. I. I. P. P., \& Berde, C. B. (2020). Local anaesthetics. Miller's Anaesthesia. 9th ed. Philadelphia: Elsevier Inc, 878-9."

"In both groups, the relevant methods will be applied at the level of the surgical incision before the surgical incision (pre-emptive) after the patient is asleep and before the patient wakes up at the end of surgery.~The dose of local anaesthetic to be administered is the same for both groups.~Drug content to be administered\*: total 25 cc volume (13.5 ml 0.5% bupivacaine + 5 ml 2% lidocaine + 1.5 ml morphine (morphine diluted with 0.9% NaCl to 1mg/ml) + 5 ml 0.9% NaCl) (These doses are the routine doses applied in such surgeries in our clinic)~\* Local anaesthetic drug doses in regional anaesthesia: source: Kirk, P. H. I. I. L. I. I. P. P., \& Berde, C. B. (2020). Local anaesthetics. Miller's Anaesthesia. 9th ed. Philadelphia: Elsevier Inc, 878-9."