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7174825 
Journal Article 
The proximal femoral nail (PFN)--a minimal invasive treatment of unstable proximal femoral fractures: a prospective study of 55 patients with a follow-up of 15 months 
Boldin, C; Seibert, FJ; Fankhauser, F; Peicha, G; Grechenig, W; Szyszkowitz, R; , 
2003 
Yes 
Acta Orthopaedica Scandinavica
ISSN: 0001-6470 
74 
1 
53-58 
English 
12635794 
In 1996, the AO/ASIF developed the proximal femoral nail (PFN) as an intramedullary device for the treatment of unstable per-, intra- and subtrochanteric femoral fractures. In a prospective study, we treated 55 patients having proximal femoral fractures with the PFN from 1997 to 2000. In 34 patients, we achieved what was close to anatomic reduction of the main fracture fragments. Immediate full weight bearing was permitted in 49 patients. During the follow-up period of 15 months, complications occurred in 12 patients. 2 patients had a cut-out of the implant because we used too short proximal gliding screws. In 5 patients, closed fracture reduction could not be done and open fracture reduction with use of cerclage became necessary. Careful surgical technique and modification of the PFN can reduce the high complication rate. In conclusion, the PFN is a good minimal invasive implant of unstable proximal femoral fractures, if closed reduction is possible. If open reduction of the fracture becomes necessary and several fragments are found (especially of the greater trochanter), we prefer to use a dynamic hip screw (DHS) with the trochanter stablizing plate.