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Trauma

COMPARATIVE STUDY OF 2 CENTROMEDULLARY NAILING SYSTEMS IN THE TREATMENT OF TROCHANTERIC FRACTURES: NEW IMPLANTS, NEW COMPLICATIONS

European Federation of National Associations of Orthopaedics and Traumatology (EFORT) - 12th Congress



Abstract

The treatment for trochanteric femoral fractures is still challenging. Since 2005, we are using 2 new implants: Gamma3™ nail and the PFN-A™.

All patients with a fracture of the trochanteric area were included in an observational study during 3 years.

Objectives were radiographics and clinics (complications) comparaison of these 2 new devices.

We included 426 patients (236 Gamma3™ nails, 190 PFN-A™). We faced the epidemiological data, per and post-operative complications. The tip-apex distance and the position of the cephalic implant were studied.

The 2 implants were well positionned in more than 80%, with no statistic diffferencie. We found a a cut-out rate of 1,4 % and a re-operation rate of 4,9 %. These rates of usual complications are very low in comparaison with litterature. We did not found a statistic difference between these 2 differents nails.

But, we observed 2 unusual complications: for the Gamma3™ nail, a high rate of automatic distal locking failure, and for the PFN-A™, many patients complained of thigh pain resulting from a prominent cephalic blade. These 2 new complications can be avoided by small changes in the operative procedure.

In our mind these 2 implants can be used for treating all patients with trochanteric fracture, but we need other studies to compare these nails with the new generation of sliding plate