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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_IX | Pages 69 - 69
1 Mar 2012
Hoare C Stone A Lata P
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Introduction

This study investigates and compares the accuracy of pre-operative templating from the AP and lateral radiographs in total knee arthroplasty.

Methods

Pre-operative radiographs from 478 patients undergoing primary total knee arthroplasty from September 2006 to April 2009 were reviewed. 154 had digital templating performed on both the AP and lateral radiograph The sizes templated for both the femoral and tibial components were recorded from the PACS archive. These were compared aginst the implanted femoral and tibial sizes taken from the theatre record.

A Z-score for two proportions was used to determine the level of significance of any difference in accuracy between the AP and lateral views for each component.