Evaluation of the Stress Response in Bariatric Surgery With and Without the Use of Opioids
G.Gennimatas General Hospital
70 participants
Jan 1, 2023
INTERVENTIONAL
Conditions
Summary
The goal of this clinical trial is to compare Opioid Free and Opioid Based Anaesthesia in patients undergoing sleeve gastrectomy. The main questions it aims to answer are: * Will the total dose of intraoperative opioid be reduced? * Will there be difference in pain scores between groups? Participants will be managed with the Nociceptive Level Index algorithm to guide intraoperative analgesia. The Opioid Free Anaesthesia Group will be administered the Multimix infusion (Magnesium sulfate, dexmedetomidine, ketamine). The Opioid Based Anaesthesia Group will receive fentanyl as a bolus dose and remifentanil infusion. Rescue fentanyl bolused will be injected as appropriate according to nociceptive level (NOL) values.
Eligibility
Plain Language Summary
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Interventions
* 40 mg/kg magnesium sulfate in 100 ml N/S infusion * 0.4 mcg/kg dexmedetomidine, max total dose 50mcg in 50 ml N/S infusion * 0.3 mg/kg ketamine in 10 ml volume * 0.2 ml/kg of the Multimix regimen in 100 ml N/S infusion as a bolus (The Multimix regimen consists of 50mcg dexmedetomidine, 500 mg lidocaine and 50mg ketamine). * 0.2 ml/kg/h of the Multimix regimen in 100 ml N/S infusion as a continuous infusion. Except for standard analgesic strategies, both groups will receive fentanyl as a rescue dose (1mcg/kg) based on a nociceptive level value \> 25 or elevation of Heart Rate and/or Blood Pressure \>20%. Placebo infusions of normal saline will be prepared to enable blinding.
* 2 mcg/kg fentanyl in 10 ml volume * 0.2 mL/kg/h remifentanil infusion * 0.1 mg/kg morphine. Except for standard analgesic strategies, both groups will receive fentanyl as a rescue dose (1mcg/kg) based on a nociceptive level value \> 25 or elevation of Heart Rate and/or Blood Pressure \>20%. Placebo infusions of normal saline will be prepared to enable blinding.
Locations(1)
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NCT05752799