Ketamine Clinical Trials
The Effect of Introperative Ketamine and Lidocaine Infusion on Postoperative Opioid Consumption in Posterior Spinal Fusion Surgery - Double-Blind Randomized Controlled Study
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Organisation Name: Ataturk University
Overal Status: Completed
Start Date: May 29, 2019
Last Update: January 15, 2021
Lead Sponsor: Ataturk University
Brief Summary: Objective: The primary aim of this study was to investigate the effect of ketamine and lidocaine on postoperative opioid consumption in posterior spinal fusion surgery.Conditions
Materials and Methods: Ethics committee approval was received from our faculty. Seventy-five cases between the ages of 18-65, who have an ASA (American Society of Anesthesiologists) risk classification I-II-III in the preanesthetic evaluation, planned to be operated by the Neurosurgery clinic for lumbar posterior spinal fusion surgery under elective conditions have been included in the study after the informed volunteer consent form was read and approved.
The patients were randomly divided into 3 groups using the closed envelope method. The ketamine group (Group K) (n = 25), the lidocaine group (Group L) (n = 25) and the placebo group (Group P) (n = 25). Propofol, rocuronium and fentanyl i.v. done. In group K, 0.5 mg / kg i.v. ketamine bolus and 0.25 mg / kg / hr i.v. ketamine infusion was administered. In group L, 1.5 mg / kg i.v. lidocaine bolus and 1.5 mg / kg / hr i.v. lidocaine infusion was administered. In group P, i.v. saline (in the same volume and duration) was applied. Maintenance of anesthesia was provided by propofol and remifentanil infusion. The propofol and remifentanil doses were adjusted according to the BIS monitoring and the increase or decrease in basal blood pressure and heart rate values of 20% or more. The BIS value was kept between 40-60. At the end of surgery, infusions were closed. After extubation, the patients were taken to the recovery room. Patient controlled analgesia (PCA) prepared with fentanyl was applied to the patients for postoperative analgesia. The PCA device was attached for 24 hours postoperatively.
Postoperative 0-4 hours, 4-8 hours, 8-24 hours and total fentanyl consumption of the patients were evaluated. Pain scores were measured at 1, 2, 4, 8, 12 and 24 hours in the postoperative recovery room. Intraoperative propofol and remifentanil consumption was recorded. Tramadol 1 mg / kg i.v. as rescue analgesia (in patients with VAS pain score of 4 and above) done. Possible side effects due to opioid, ketamine and lidocaine were followed.
- Spine Fusion
- Postoperative Pain
Total execution time in seconds: 0.26526498794556