Validity and reliability of preoperative templating in total hip arthroplasty using a digital templating system.

Skeletal Radiology
Ari BertzArkan S Sayed-Noor

Abstract

To evaluate the validity, interobserver reliability, and intraobserver reproducibility of a digital templating system, the Mdesk™ in preoperative templating in cemented and reverse hybrid total hip arthroplasty (THA). Validity was evaluated by comparing the planned cup size, stem size, CCD angles, and neck length with the components used in 129 patients operated with cemented and reverse hybrid THA. The reliability was measured by comparing the templating results of two surgeons with each other (interobserver) and the results of two templatings carried out by first surgeon (intraobserver). The leg length discrepancy was measured before and after the operation to assess the templating ability to correct it. The Mdesk™ system showed good validity (kappa value ranged from 0.64 to 0.96), especially when one size over and under the planned size were included. No difference between cemented and cementless stems was found. The interobserver reliability ranged from fair (kappa 0.23) to substantial (kappa 0.61) while the intraobserver reproducibility ranged from substantial (kappa 0.70) to excellent (kappa 0.82). Templating and intraoperative measures succeeded to restore the leg length. The Mdesk™ system has comparable validity and rel...Continue Reading

References

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Citations

Apr 26, 2015·Clinical Orthopaedics and Related Research·Robert PetrettaBassam A Masri
Jun 9, 2016·International Orthopaedics·Dror LaksteinEhud Atoun
Oct 30, 2016·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Dror LaksteinOleg Safir
May 22, 2018·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Erik SchiffnerJohannes Schneppendahl
Feb 2, 2017·World Journal of Orthopedics·Sophia K StiglerBernd Füchtmeier
Jan 25, 2020·Archives of Orthopaedic and Trauma Surgery·Hideo KobayashiMichel P Bonnin
Dec 14, 2018·Archives of Orthopaedic and Trauma Surgery·Lukas A HolzerAndreas Leithner
Nov 3, 2020·Indian Journal of Orthopaedics·Veronica MontielJose María Lamo-Espinosa

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