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Updated: Jan 23, 2026

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
Published on: February 27, 2018
Efficacy of the Use of Templating in Total Hip Arthroplasty
Fábio Stuchi Devito1, Alceu Gomes Chueire2, Cristiane Bonvicine3
1PhD in Orthopedics, Faculdade de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil.
Objective:
The aim was to evaluate the effectiveness of traditional preoperative planning with the use of templating.
Method:
Forty-three anteroposterior X-rays were analyzed by three experienced surgeons (A, B, C) and compared. Cohen's Kappa concordance test and weighted Kappa indexes using quadratic weighting were used for statistical analysis with a confidence interval of 95%.
Results:
The preoperative evaluations were divided into the analysis of the sizes of the acetabular cup, stem and plug of the distal femoral canal. Surgeon A obtained a moderate agreement in relation to the acetabular component and substantial agreements in relation to the stem and plug. Surgeon B had moderate agreement in relation to both the acetabulum and the stem and substantial agreement in relation to the plug. Surgeon C obtained moderate agreement in relation to the analysis of the acetabulum and the plug and substantial agreement for the stem. The intraobserver agreement test demonstrated a prevalence of slight agreement in relation to the acetabulum and substantial agreement in relation to the stem and to the plug.
Conclusion:
Templating used in preoperative planning proved effective; however, there was a prevalence of slight and moderate agreement in relation to the size of the acetabular component.
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