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Management of Unstable Phalangeal Shaft Fractures Using External Minifixator.

BACKGROUND
Fractures of the hand are the most common fractures in the skeletal system and phalangeal fractures constitute about 46% of all hand fractures. Operative treatment of unstable phalangeal fractures should aim at anatomic fracture reduction and stable fixation that allows early mobilization of the affected finger's joints . This study evaluates the results of fixation of unstable shaft fractures of finger proximal or middle phalanges using a non-spanning external minifixator.


MATERIAL AND METHODS
32 men and 8 women aged 17 to 60 (median, 31.25) years suffering from fractures of 44 phalanges in 40 hands were included in the study. Four of the fractured phalanges were middle phalanges and 40 were proximal phalanges .All fractures were fixed using a mini external fixator. All procedures were done under regional anaesthetic block. The fixator was applied after closed reduction of fractures. Additional procedures included wound debridement in open fractures, and tendon repair was needed in 4 cases. We excluded fractures where intraarticular fracture extension mandates open reduction and internal fixation.


RESULTS
At the end of the follow-up period (mean follow-up 11.5 months), patients were assessed clinically and radiologically. 26 fingers (59.1 %) had "excellent" results , 14 fingers (31.8 %) had "good" results and 4 fingers (9.1%) had "poor" results as their P.I.P. flexion ranges were < 80˚.


CONCLUSION
External fixation of displaced phalangeal shaft fractures is an effective method of treatment in terms of a minimally invasive technique with rigid fracture fixation allowing early mobilization after surgery.