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Reducing the Pain Associated with Local Anaesthetic Infiltration for open Carpal Tunnel DecompressionFrom the Orthopaedic Department, "Achillopoulion" Volos General Hospital, Polymeri Street, Volos, Greece and ENT Department, University of Thessaly, University Hospital of Larisa Larisa, Greece Correspondence: Dr I.C. Vossinakis, Department of Orthopaedics, General Hospital of Volos, 34 Kassaveti Str, 382 21 Volos, Greece. Tel./fax: +3024210 76362; E-mail: vossinakis{at}panafonet.gr This prospective, randomized study assessed the effectiveness of buffering lidocaine with sodium bicarbonate for reducing the pain associated with local anaesthetic infiltration for open carpal tunnel decompression. Twenty-one patients undergoing bilateral open carpal tunnel decompression received, in a randomized manner, lidocaine 1% with adrenaline (1:200,000) in one hand and the same local anaesthetic buffered with 8.4% NaHCO3 at a 5:1 ratio in the other hand. Pain, especially its burning element, was evaluated on a visual analogue scale and was significantly reduced with the buffered solution. The buffering was effective for all patients and no adverse effects were noted. This is a safe, easy and quick method for making open carpal tunnel surgery less uncomfortable to patients.
Key Words: lidocaine buffering carpal tunnel pain
Journal of Hand Surgery (British and European Volume), Vol. 29, No. 4,
399-401 (2004) |
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