Abstract
Purpose
To evaluate clinical and roentgenographic outcomes after bipolar hemiarthroplasty utilizing three different greater trochanteric fragment fixation methods for intertrochanteric fracture repair.
Materials and Methods
Forty-six hips (Boyd-Griffin type II: 44, type IV: 2) that had undergone greater trochanteric fragment fixation through bipolar hemiarthroplasty were evaluated at a minimum of 1 year following surgery. The fixation groups were: 1) figure of 8 wiring (18 cases), 2) cerclage wiring (23 cases), and 3) tension band wiring (11 cases). The roentgenographic results were evaluated in terms of fragment migration and wire breakage. The functional results were evaluated according to the hip rating scale of Merle d'Aubigne.
Results
The rate of fragment migration was 22.2% in group 1, 52.2% in group 2, and 9.1% in group 3, and there was a statistically significant difference among the groups (p=0.022). The rate of wire breakage was 27.8% in group 1, 13.0% in group 2, and 9.1% in group 3, but there was no statistically significant difference among the groups. According to the Merle d'Aubigne scale, 78.6% of the repairs in group 1, 82.4% of the repairs in group 2, and 88.9% of the repairs in group 3 were rated as excellent, very good, or good.