• Mohamed Zaim Mohamed Thajudeen, Mahmood MericanAzharADepartment of Orthopaedic Surgery, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia., Muhammad Sufian Hashim, and Abid Nordin.
• Department of Orthopaedic Surgery, Faculty of Medicine, UiTM, Jalan Hospital, Selangor, Malaysia.
• Medicine (Baltimore). 2022 Nov 11; 101 (45): e31398e31398.

AbstractFemoral anteversion is an important parameter that can prevent complication following total hip arthroplasty (THA) caused by improper positioning of the implant. However, assessing femoral anteversion can be challenging in situation with significant defect of the femoral neck. In this study, linea aspera version was nominated as alternative parameter to femoral anteversion. So, the main objective of this study is to determine whether femoral anteversion correlates with linea aspera version. Cross-sectional study. Three-dimensional images of 100 femora were generated and their femoral anteversion and linea aspera version was measured. Correlation between the parameters was calculated. The mean linea aspera version was 7.27° ± 12.17° (mean ± standard deviation) while the mean femoral anteversion was 11.84° ± 10.06°. The linea aspera version was inversely correlated with the femoral anteversion with a correlation coefficient of -0.85. Linea aspera should be considered as an additional bony landmark to assess proper implant positioning in THA.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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