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Year : 2020  |  Volume : 5  |  Issue : 2  |  Page : 174-179

Perioperative pain alleviation of forearm fractures using a combination of hematoma block and intravenous regional anesthesia with the addition of ketamine and lidocaine

Department of Anesthesia and ICU, Faculty of Medicine, Assiut University, Assiut, Egypt

Correspondence Address:
Mohamed M Mohamed
Department of Anesthesia, Faculty of Medicine, Assiut University Hospital, Assiut 74111
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JCMRP.JCMRP_123_19

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Introduction Forearm fractures usually require reduction before fixation. Hematoma block (HB) is easy and efficient for the reduction of those fractures with instantaneous pain release. Intravenous regional anesthesia (IVRA) is proper for forearm surgeries; unfortunately, it is painful during lifting and wrapping the arm. A combination of HB and IVRA can bring the benefits of them both. We assessed the effect of adding ketamine to IVRA versus to HB in patients receiving both blocks for forearm fractures. Patients and methods This study was a prospective, double-blinded, randomized controlled trial, performed in Assiut University Hospital. Forty-four patients with closed forearm fractures needing closed reduction and internal fixation with k-wires were involved to receive combined HB and IVRA, with ketamine (0.5 mg/kg) either within the HB group A (n=22) or within the IVRA group B (n=22). Data collection involved the evaluation of hemodynamics, the onset of HB and IVRA, tourniquet discomfort, numerical rating scale score, first analgesia demand time, and total analgesic time. Results The median (range) of preoperative and intraoperative numerical rating scale scores was significantly lower in group A at the 3rd, 5th, and 10th minutes. The average time (min) with regard to first rescue analgesia was significantly higher in group A (154.5±8.169) than in group B (121.2±12.25). No significant hemodynamic changes were noticed. Conclusion Adding ketamine to HB in patients with forearm fractures receiving a combination of HB and IVRA can afford better analgesia throughout the conduction of IVRA and prolongs postoperative analgesia better than adding it to IVRA.

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