The effect of femoral neck osteotomy on femoral component position of a primary cementless total hip arthroplasty

International Orthopaedics
Dimitris DimitriouYoung-Min Kwon

Abstract

The aim of this study was to quantify the femoral canal diameter and version at different femoral neck osteotomy locations, and to investigate the effect of the osteotomy plane on femoral component position in total hip arthroplasty (THA). Preoperative and postoperative three-dimensional models were reconstructed in 15 patients (19 hips) who underwent primary cementless THA with tapered non-anatomical femoral stem. On the pre-operative models, the osteotomy plane was simulated at different levels (-5, 0, 5, and 10 mm from the femoral saddle [piriformis fossa]) and angles (30, 40, 50, and 60° from the femoral anatomical axis). Medullary canal version and mediolateral diameter were measured on the osteotomy surfaces. On the postoperative models, the femoral neck osteotomy plane, stem anteversion and alignment were measured. The average canal diameter ranged from 22.8 to 26.3 mm at different osteotomy levels and from 20.8 to 29.0 mm at different osteotomy angles. The average canal version ranged from 11.4 to 23.2° at different resection levels and from 12.8 to 21° at different resection angles. The femoral stem anteversion was correlated with neck osteotomy angle (R = 0.72), whereas stem alignment in frontal plane (varus/valgus) w...Continue Reading

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Jun 27, 2014·International Orthopaedics·Tsung-Yuan TsaiYoung-Min Kwon

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Citations

Oct 19, 2016·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Chesley F DurginJennifer S Wayne
May 3, 2018·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Adrian K SchneiderStephen McMahon
Aug 4, 2018·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Nathan J VeilleuxJennifer S Wayne
May 10, 2017·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Takashi SakaiNobuhiko Sugano
Dec 29, 2020·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Hideki FujiiMitsuru Saito

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