Management of intra-articular metacarpal base fractures of the second through fifth metacarpals
Abstract
Intra-articular fractures of the second through fifth metacarpal bases are uncommon injuries but can result in serious morbidity if improperly managed. These injuries usually occur because of forced flexion of the wrist with simultaneous extension of the arm, as occurs with a punch or a fall. As there are few large series of reports for these injuries, there is no consensus in the current literature on the most appropriate treatment for them. Whereas some authors have reported successful results after closed reduction, many recommend open reduction with internal fixation to ensure the integrity of the tendinous insertions of the extensor carpi radialis longus, extensor carpi radialis brevis, and extensor carpi ulnaris. This article reviews the case reports and case series extant in the literature concerning intra-articular fractures of the bases of the second through fifth metacarpals, and it provides important diagnostic and management considerations for these injuries.
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