Journal of Musculoskeletal Trauma

Original Article

The Role of Beta-Tricalcium Phosphate Graft in the Dynamic Hip Screw Fixation of Unstable Intertrochanter Fracture: Chul Ho Kim, Ji Wan Kim, Eic Ju Lim, Jae Suk Chang; J Korean Fract Soc 2016;29(4):250-257. Published online October 31, 2016; DOI: https://doi.org/10.12671/jkfs.2016.29.4.250

Abstract PDF: PURPOSE
The purpose of this study was to introduce our method of stabilizing unstable intertrochanteric fractures by using the dynamic hip screw (DHS) with a beta-tricalcium phosphate (Î²-TCP) graft and to compare the outcomes of this procedure with those of the conventional DHS without Î²-TCP.
MATERIALS AND METHODS
Patients who underwent surgery by using DHS between March 2002 and January 2016 were retrospectively reviewed for analysis of the outcomes. The inclusion criteria were: 1) age of 60 years and older; 2) low-energy fracture resulting from a fall from no greater than the standing height; 3) multifragmentary pertrochanteric fracture (AO classification 31-A2.2, 2.3); and 4) follow-up of over 3 months. We compared 29 patients (29 hips) who underwent surgery, using DHS without Î²-TCP, with 29 age-sex matched patients (29 hips) who underwent surgery using DHS with grafted Î²-TCP granules to empty the trochanter area after reaming. We investigated the fracture union rate, union time, and length of lag screw sliding.
RESULTS
Bone union was achieved in all cases. The mean union time was 7.0 weeks in the Î²-TCP group and 8 .8 weeks in the non-Î²-TCP group. The length of lag screw sliding was 3.6 mm in the Î²-TCP group and 5 .5 mm in the non-Î²-TCP group. There were no implant failure cases in both groups.
CONCLUSION
The Î²-TCP graft for reinforcement DHS acquired satisfactory clinical outcomes for treating unstable intertrochanteric fractures.

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