Functional Outcome of Surgically Managed Perilunate Injuries.

Indian Journal of Orthopaedics
Joseph GeorgeMuniramaiah Ravishankar

Abstract

Perilunate injuries are rare and quite often missed. We present our experience and outcomes, surgically managing these difficult injuries. We analysed data from 14 patients who underwent open reduction and internal fixation of perilunate injuries. All patients underwent open reduction and fixation through the dorsal approach. Fractures were fixed with either K-wires or Headless compression screws. At regular intervals radiographs, range of motion, grip strength, modified Mayo score, Quick DASH score and Lyon wrist scores were collected. The average age of our patients was 29.2. Average time to surgical intervention was 11.3 days. The mean follow-up period was 42.3 months. modified Mayo wrist score, QuickDASH score and Lyon wrist scores were 77.86, 1.62 and 80.86, respectively. Wrist flexion/extension arc was 101.43. Wrist radial/ulnar deviation was 50.0. Mean grip strength was 69.93% of the opposite side. Radiological evidence of wrist arthritis and lunate avascular necrosis was seen in 8 (57.14%) and 4 (28.6%) cases, respectively. Early open reduction of perilunate injuries gives reliable results, in spite of radiological evidence of wrist arthritis in a majority of the cases.

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