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A New Mini-navigation Tool Allows Accurate Component Placement During Anterior Total Hip Arthroplasty

Overview
Publisher Dove Medical Press
Date 2018 Apr 3
PMID 29606894
Citations 8
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Abstract

Introduction: Computer-assisted navigation systems have been explored in total hip arthroplasty (THA) to improve component positioning. While these systems traditionally rely on anterior pelvic plane registration, variances in soft tissue thickness overlying anatomical landmarks can lead to registration error, and the supine coronal plane has instead been proposed. The purpose of this study was to evaluate the accuracy of a novel navigation tool, using registration of the anterior pelvic plane or supine coronal plane during simulated anterior THA.

Methods: Measurements regarding the acetabular component position, and changes in leg length and offset were recorded. Benchtop phantoms and target measurement values commonly seen in surgery were used for analysis. Measurements for anteversion and inclination, and changes in leg length and offset were recorded by the navigation tool and compared with the known target value of the simulation. Pearson's assessed the relationship between the measurements of the device and the known target values.

Results: The device accurately measured cup position and leg length measurements to within 1° and 1 mm of the known target values, respectively. Across all simulations, there was a strong, positive relationship between values obtained by the device and the known target values (=0.99).

Conclusion: The preliminary findings of this study suggest that the novel navigation tool tested is a potentially viable tool to improve the accuracy of component placement during THA using the anterior approach.

Citing Articles

Evaluating Alternative Registration Planes in Imageless, Computer-Assisted Navigation Systems for Direct Anterior Total Hip Arthroplasty.

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PMID: 39517988 PMC: 11548659. DOI: 10.3390/s24217092.


Intraoperative Fluoroscopy Versus Navigation to Determine Cup Anteversion in Direct Anterior Total Hip Replacement: A Technical Trick for Obtaining "True" Anteversion.

Romanelli F, Hong I, Khan J, Porter A, Jankowski J, Liporace F Arthroplast Today. 2024; 27:101426.

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Achieving Precise Cup Positioning in Direct Anterior Total Hip Arthroplasty: A Narrative Review.

Streck L, Boettner F Medicina (Kaunas). 2023; 59(2).

PMID: 36837472 PMC: 9959722. DOI: 10.3390/medicina59020271.


Early Revision Rates of Total Hip Arthroplasty Using the Intellijoint HIP Computer Navigation System: A Study From the Australian National Joint Replacement Registry of 1911 Procedures.

Lourens E, Kurmis A, Holder C, de Steiger R Arthroplast Today. 2022; 18:149-156.

PMID: 36338290 PMC: 9633565. DOI: 10.1016/j.artd.2022.09.019.


Surgical Approach and Reaming Depth Influence the Direction and Magnitude of Acetabular Center of Rotation Changes During Total Hip Arthroplasty.

Benson J, Govindarajan M, Muir J, Lamb I, Sculco P Arthroplast Today. 2020; 6(3):414-421.

PMID: 32577487 PMC: 7305266. DOI: 10.1016/j.artd.2020.04.003.


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