Abstract
Objective To discuss the clinical results of treating metacarpal middle shaft fractures using absorbable intramedullary fixation pins.Methods A retrospective study was conducted of 32 metacarpal shaft fractures in 28 patients that were treated with intramedullary absorbable pins.Hand function and radiographic evaluation were analyzed.Results All cases were follow-up for 6 to 10 months.Primary wound healing was achieved in all cases.Two cases of the fifth metacarpal fracture had dorsal angulation displacement.Re-fracture of the fifth metacarpal occurred in 1 case.All cases had fracture union.The active range of motion of the metacarpophalangeal joint flexion and extension was near normal.Conclusion Absorbable intramedullary fixation pin is a safe and effective treatment of metacarpal shaft fractures.However the strength of fixation cannot meet the demand of early exercise.Re-fracture or angulation displacement especially in the fifth metacarpal can happen.Auxiliary plaster external fixation is necessary after the operation. Key words: Fractures, bone; Internal fixators; Absorbable implants; Metacarpal shaft
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