Effect of Pregabalin or Adductor Canal Block on Postoperative Analgesia After Arthroscopic Anterior Cruciate Ligament Reconstruction (ACL)

Patients who American Society of Anesthesiologists (ASA) classification I to II scheduled to undergo arthroscopically assisted ACL reconstructions under spinal anesthesia are included in this study. The first group is administered 150 mg oral pregabalin 1 hour before surgery and the postoperative sham block was performed with an ultrasound probe. The second group is the control group; patients in this group are administered a placebo capsule 1 hour before surgery and sham block was performed with an ultrasound probe.The third group is administered a placebo capsule 1 hour before surgery and postoperative adductor canal block is performed. All patients will be received postoperative a tramadol i.v. patient control analgesia device. At the end of 24 hours, the total amount of tramadol consumed by the patient will be recorded from the patient control analgesia. NRS score, white fast track, satisfaction will be questioned.