IJMCR ISSN: 2321–3124
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Call for Papers: March-April 2017 Issue
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Article Published In Vol.5 (March-April-2017)

The Analgesic Effect of Ondansetron when Added to Lidocaine for Intravenous Regional Anesthesia

Author : Dr. Jaafar Hameed Jaafar Mahboba, M.B.Ch.B, F.I.C.M & IC and Dr. Suadid Faris Saleh Aatallah M.B.CH.B

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Background: Intravenous regional anesthesia (Bier’sblock) is a simple, reliable, excellent technique for short open surgical procedures and for closed reduction of bony fracture.
Patients and methods: Thirty patients were enrolled in this study and randomly divided into two groups , Group A (n=15)received IVRA lidocaine 3 mg/kg 2% diluted with isotonic saline to 0.5% concentration, Group B (n=15) received lidocaine 3mg/kg 2% plus Ondansetron diluted with isotonic saline to 0.5% concentration ,hemodynamic variables and VAS were recorded before and after tourniquet inflation, tourniquet pain, post-operative pain and first analgesic requirement time till 6 hours postoperatively were recorded .
Results: No significant difference in demographic data. There was significant decrease of tourniquet pain and post-operative pain in Group B and relatively increase in mean time of first post-operative needing to analgesia by 1.6 hours in Group B relative to Group A.
Conclusions: Adding 8 mg of Ondansetron to lidocaine in IVRAdecrease the tourniquet pain, post-operative pain, mean time for need of post-operative analgesia

Keywords: Intravenous regional anesthesia, Ondansetron, tourniquet pain, lidocaine, postoperative pain.

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