Perineural Methylene Blue Infusion in Lower Limb Amputation Surgery
The Preventive Value of Continuous Perineural Methylene Blue Infusion in Patients Undergoing Lower Limb Amputation Surgery
Tanta University
72 participants
May 1, 2023
INTERVENTIONAL
Conditions
Summary
This prospective randomized controlled study will be conducted to evaluate the analgesic effect of continuous perineural infusion of methylene blue with bupivacaine on acute postoperative pain and to evaluate its preventive role against chronic phantom pain in patients undergoing lower limb amputation surgery
Eligibility
Plain Language Summary
Simplified for easier understanding
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Interventions
Patients in this group will receive the following regimen through the perineural catheter: Bolus dose of 1 ml methylene blue 1% (10 mg) plus 19 ml bupivacaine 0.25% will be given intraoperatively before wound closure, and perineural infusion of methylene blue plus bupivacaine 0.25% (1 ml of methylene blue added to each 49 ml of bupivacaine 0.25%) will be started in the recovery room at a rate of 2-5 ml/hour for 72 hours postoperatively
Patients in this group will receive the following regimen through the perineural catheter: Bolus dose of 1 ml normal saline plus 19 ml bupivacaine 0.25% will be given intraoperatively before wound closure, and perineural infusion of bupivacaine 0.25% will be started in the recovery room at a rate of 2-5 ml/hour for 72 hours postoperatively
Locations(1)
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NCT05830630