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. 2017 Apr;41(4):831-836.
doi: 10.1007/s00264-016-3235-y. Epub 2016 Jun 7.

Radiographic templating of total hip arthroplasty for femoral neck fractures

Dror Lakstein  1 , Ira Bachar  2 , Ronen Debi  2 , Omri Lubovsky  2 , Ornit Cohen  2 , Zachary Tan  1 , Ehud Atoun  3
Affiliations

Radiographic templating of total hip arthroplasty for femoral neck fractures

Dror Lakstein et al. Int Orthop. 2017 Apr.

Abstract

Purpose: The purpose of this study was to evaluate the use of pre-operative digital templating to minimize complications including limb length discrepancy (LLD), intraoperative fractures and early dislocations in patients with intracapsular femoral neck fractures.

Methods: We retrospectively compared 23 patients undergoing total hip arthroplasty (THA) for intracapsular femoral fractures with pre-operative digital templating and 48 patients without templating.

Results: The mean post-operative LLD was significantly lower in patients who had pre-operative templating than in the control group (6.7 vs. 11.5 mm, p = 0.023). Only three patients (13 %) with templating had LLD greater than 1.5 cm, compared to the 15 patients (31 %) without templating (p = 0.17). In eight cases the final femoral stem size matched the templated size, while 19 patients were within two size increments. Complications included one dislocation and one intra-operative fracture in the control group.

Conclusion: The present study demonstrated that careful pre-operative planning may reduce LLD in patients undergoing THA due to intracapsular hip fractures.

Keywords: Femoral neck fracture; Leg length discrepancy; Pre-operative planning; Templating; Total hip arthroplasty.

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