First results with the Trochanter Fixation Nail (TFN): a report on 120 cases

Lenich, A.; Mayr, E.; Rüter, A.; Möckl, Ch.; Füchtmeier, B.
November 2006
Archives of Orthopaedic & Trauma Surgery;Nov2006, Vol. 126 Issue 10, p706
Academic Journal
A complication rate between 4–18% for the conventional osteosynthesis of the proximal femur fracture continues to be unacceptable even if increasing age and co-morbidity of patients are taken into account. Therefore, new intramedullary techniques are under development, and we here report our results with the novel trochanteric fixation nail (TFN). During the study period (March 2003–February 2004) all patients with a trochanteric fracture Type A1-A3 (AO/ASIF classification) were eligible for the study, and 120 patients (mean age 81 years, range 47–100; male/female 1:4) subsequently enrolled. Most frequent was the (according to the AO classification) A.2.1. type of fracture ( n=39) and the A.2.2. fracture ( n= 39). Operation time from cut to stitch was 45 mins (minimal 21/maximal 194). Thirty-seven (31%) postoperative X-rays were classified as very good, 60 (50%) as good, 18 (15%) as satisfying and five (4%) as bad post-reposition results according to the Garden Alignment Index. The clinical results were documented by the time of hospital stay, postoperative mobilization and time of rehabilitation compared to the old social status. Time to hospital discharge was 17 days (9 /25). Overall complication rate was 7.5% (9 patients) with 5.8% [] local wound infection; 1.6% [] cutting out of the helical blade through the cortex of the femoral head. We had three (2.5%) hospital deaths in our patient group. We conclude that TFN is a safe and reliable technique. Compared with techniques like PFN and Gamma-nail, clinical results are excellent with less complications.


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