Undisplaced radial head fractures best treated with aspiration alone .
Aspiration alone versus aspiration and bupivacaine injection in the treatment of undisplaced radial head fractures: A prospective randomized study
J Shoulder Elbow Surg. 2009 Sep-Oct;18(5):676-9. Epub 2009 May 31.40 participants with undisplaced radial head fracture were randomized to receive treatment with aspiration alone or aspiration in conjunction with intra-articular injection of bupivacaine. This study assessed if there were additional benefits to bupivacaine injection, in terms of pain relief and range of motion. The results from this study measured over 1 year indicated that the additional injection did not provide superior pain relief or resulted in an increased range of motion.
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