• Pietro Persiani, Filippo Maria Ranaldi, Michele Gurzì, Alessandro Formica, Jole Graci, Claudia De Cristo, Raffaele Grasso, and Ciro Villani.
• Department of Anatomical, Histological, Forensic Medicine and Orthopedic Science, Sapienza University of Rome, Italy.
• Injury. 2019 Aug 1; 50 Suppl 4: S6-S10.

AbstractThe purpose of this study is to compare the results obtained using three different systems of osteosynthesis, developed for the surgical treatment of fractures of the trochanteric region of the femur, based on the principle intramedullary nailing: the Gamma nail, the Affixus nail and the ZNN nail. This is a retrospective study: 72 trochanteric fractures treated with the Gamma nail, 68 treated with the Affixus nail and 69 treated with the ZNN nail, between the years 2012 and 2014, with the prerequisite of a minimum follow-up of 18 months. The fractures were classified according to the AO system; the most commonly reported subtype was the A2 fracture. Clinical and radiographic examinations were performed, both at hospital admission and post-operatively, at 1, 3, 6, 12 and 18 months. Of the 209 patients, 171 were women and 38 were men. The average age was 83.12 years old. All three systems guaranteed an early mobilization and ambulation in most of the patients. There were no significant differences in the use of the three nails in terms of recovery of previous functional capacity, or in terms of the time required for the fracture to heal. There were no advantages encountered with the use of one intramedullary nail over another and, in particular, when observing the complications and patient outcome, there were no statistically significant differences detected.Copyright © 2019 Elsevier Ltd. All rights reserved.

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