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Effect of implant positioning in cemented hip arthroplasty / Zaitul Asyikin Aznan ... [et al.]

The positioning of a cemented total hip arthroplasty (THA) is a crucial factor during the surgical implantation procedure. However, the impact of misalignment on stress distribution at the cement mantle and bone remains poorly understood, posing a potential risk for periprosthetic bone fracture. Thi...

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Main Authors: Aznan, Zaitul Asyikin, Khairul Azahan, Nur Maisarah, Marwan, Shahrul Hisyam, Taufiqurrakhman, Mohamad, Pandit, Hemant, Khan, Thawhid, Abdullah, Abdul Halim
Format: Article
Language:English
Published: UiTM Press 2025
Subjects:
RD Surgery
Online Access:https://ir.uitm.edu.my/id/eprint/110089/1/110089.pdf
https://ir.uitm.edu.my/id/eprint/110089/
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spelling my.uitm.ir.1100892025-02-18T16:40:36Z https://ir.uitm.edu.my/id/eprint/110089/ Effect of implant positioning in cemented hip arthroplasty / Zaitul Asyikin Aznan ... [et al.] jmeche Aznan, Zaitul Asyikin Khairul Azahan, Nur Maisarah Marwan, Shahrul Hisyam Taufiqurrakhman, Mohamad Pandit, Hemant Khan, Thawhid Abdullah, Abdul Halim RD Surgery The positioning of a cemented total hip arthroplasty (THA) is a crucial factor during the surgical implantation procedure. However, the impact of misalignment on stress distribution at the cement mantle and bone remains poorly understood, posing a potential risk for periprosthetic bone fracture. This study explores the effects of hip stem positioning in cemented THA by using finite element analysis (FEA). The aim is to investigate the impact of implant position on stress and deformation distributions at the contacting components, i.e. femoral bone, cement, and hip stem, under walking and stair-climbing activity’s forces. The rotating angles of -0.75°, -0.5°, -0.25°, 0.25°, 0.5°, and 0.75° are used at the varus plane with the distal end of the stem as the centre of rotation. The unrotated condition (at an angle of 0°) is simulated as the baseline condition of normal hip stem position. Results indicate that the baseline angle of 0° position does not necessarily represent the lowest stress and deformation in the femoral bone. Furthermore, misalignment angle variations at varus planes minimally affect total deformation but significantly impact stress distribution at the cement mantle. These findings underscore the importance of considering alignment angles beyond the baseline and their effects on stress and deformation in cemented THA. UiTM Press 2025-01 Article PeerReviewed text en https://ir.uitm.edu.my/id/eprint/110089/1/110089.pdf Effect of implant positioning in cemented hip arthroplasty / Zaitul Asyikin Aznan ... [et al.]. (2025) Journal of Mechanical Engineering (JMechE) <https://ir.uitm.edu.my/view/publication/Journal_of_Mechanical_Engineering_=28JMechE=29/>, 22 (1): 8. pp. 90-103. ISSN e-ISSN: 2550-164X
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic RD Surgery
spellingShingle RD Surgery
Aznan, Zaitul Asyikin
Khairul Azahan, Nur Maisarah
Marwan, Shahrul Hisyam
Taufiqurrakhman, Mohamad
Pandit, Hemant
Khan, Thawhid
Abdullah, Abdul Halim
Effect of implant positioning in cemented hip arthroplasty / Zaitul Asyikin Aznan ... [et al.]
description The positioning of a cemented total hip arthroplasty (THA) is a crucial factor during the surgical implantation procedure. However, the impact of misalignment on stress distribution at the cement mantle and bone remains poorly understood, posing a potential risk for periprosthetic bone fracture. This study explores the effects of hip stem positioning in cemented THA by using finite element analysis (FEA). The aim is to investigate the impact of implant position on stress and deformation distributions at the contacting components, i.e. femoral bone, cement, and hip stem, under walking and stair-climbing activity’s forces. The rotating angles of -0.75°, -0.5°, -0.25°, 0.25°, 0.5°, and 0.75° are used at the varus plane with the distal end of the stem as the centre of rotation. The unrotated condition (at an angle of 0°) is simulated as the baseline condition of normal hip stem position. Results indicate that the baseline angle of 0° position does not necessarily represent the lowest stress and deformation in the femoral bone. Furthermore, misalignment angle variations at varus planes minimally affect total deformation but significantly impact stress distribution at the cement mantle. These findings underscore the importance of considering alignment angles beyond the baseline and their effects on stress and deformation in cemented THA.
format Article
author Aznan, Zaitul Asyikin
Khairul Azahan, Nur Maisarah
Marwan, Shahrul Hisyam
Taufiqurrakhman, Mohamad
Pandit, Hemant
Khan, Thawhid
Abdullah, Abdul Halim
author_facet Aznan, Zaitul Asyikin
Khairul Azahan, Nur Maisarah
Marwan, Shahrul Hisyam
Taufiqurrakhman, Mohamad
Pandit, Hemant
Khan, Thawhid
Abdullah, Abdul Halim
author_sort Aznan, Zaitul Asyikin
title Effect of implant positioning in cemented hip arthroplasty / Zaitul Asyikin Aznan ... [et al.]
title_short Effect of implant positioning in cemented hip arthroplasty / Zaitul Asyikin Aznan ... [et al.]
title_full Effect of implant positioning in cemented hip arthroplasty / Zaitul Asyikin Aznan ... [et al.]
title_fullStr Effect of implant positioning in cemented hip arthroplasty / Zaitul Asyikin Aznan ... [et al.]
title_full_unstemmed Effect of implant positioning in cemented hip arthroplasty / Zaitul Asyikin Aznan ... [et al.]
title_sort effect of implant positioning in cemented hip arthroplasty / zaitul asyikin aznan ... [et al.]
publisher UiTM Press
publishDate 2025
url https://ir.uitm.edu.my/id/eprint/110089/1/110089.pdf
https://ir.uitm.edu.my/id/eprint/110089/
_version_ 1825165150948163584
score 13.244413

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