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Trauma

EVALUATION OF A NEW ASIAN GEOMETRY-ADAPTED TROCHANTERIC FEMORAL NAIL BASED ON STANDARDIZED COMPLICATION ASSESSMENT

International Society for Fracture Repair (ISFR)



Abstract

Introduction

When translating the principle of intramedullary nailing for trochanteric femoral fractures to Asian patients, design modifications made to adjust for anatomic differences resulted in an PFNA Asia. The primary endpoint of this study was the rate of complications attributable to fracture fixation.

Material and methods

A prospective multicenter case series was performed; 176 patients with a median age of 84 with unstable trochanteric fractures treated with a PFNA Asia were included and followed for one year postoperatively. Complications were reviewed by a complication review board (CRB). Intra- and postoperative fracture fixation complications are presented according to type and incidence proportions (risk).

Results

The CRB identified a total of three intraoperative (1.7%) and 14 postoperative fracture fixation complications (8%). Intraoperative complications included a problem with distal locking (1) and poor intraoperative reduction (2). Postoperative fracture fixation problems included significant neck shortening (8), implant breakage (3), cut-outs (2), and one severe loss of reduction. Outcome for most complications was adequate and none were classified as definitely related to the implant design but rather to surgical technique.

Discussion & Conclusion

The adaptation of size and geometry to Asian patients leads to a low incidence of intra- and postoperative fracture fixation complications comparable to other studies.