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The Influence of Pelvic Tilt on the Anteversion Angle of the Acetabular Prosthesis

The concept of the “safe area” of the acetabular prosthesis has a long history and has been recognized by many scholars. It is generally believed that postoperative hip dislocation rate is low, when the acetabular anteversion angle is placed in the range of 15° ± 10°. Despite this, hip dislocation i...

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Autores principales: Yang, Guoyue, Li, Yayue, Zhang, Hong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley & Sons Australia, Ltd 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6819173/
https://www.ncbi.nlm.nih.gov/pubmed/31663281
http://dx.doi.org/10.1111/os.12543
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author Yang, Guoyue
Li, Yayue
Zhang, Hong
author_facet Yang, Guoyue
Li, Yayue
Zhang, Hong
author_sort Yang, Guoyue
collection PubMed
description The concept of the “safe area” of the acetabular prosthesis has a long history and has been recognized by many scholars. It is generally believed that postoperative hip dislocation rate is low, when the acetabular anteversion angle is placed in the range of 15° ± 10°. Despite this, hip dislocation is a common complication after total hip arthroplasty. In recent years, more and more scholars have paid attention to the influence of pelvic tilt on the acetabular anteversion angle. The concept of acetabular anteversion changes as the pelvic tilt changes, and is challenging the traditional acetabular prosthesis “safe area.” This study summarized the potential influencing factors of pelvic tilt and discussed the influence of the phenomenon on the anteversion angle of total hip arthroplasty (THA) acetabular prosthesis based on the literature review. We conclude that from the supine position to standing, followed by sitting, the pelvis tends to move backward. Pelvic sagittal activity, lumbar disease (ankylosing spondylitis), lumbar fusion (lumbar fusion, spine‐pelvic fusion), and other factors related to the tilt are THA risk factors for postoperative dislocation and revision. With the change of body position, the degree of acetabular anteversion is directly related to the degree of pelvic tilt. The acetabular anteversion varies greatly, which leads to increased hip prosthesis wear and even hip dislocation. The lateral X‐ray of the spine and pelvis is recommended in supine, standing, and sitting positions before THA. In addition, the pelvic tilt should be regarded as a reference of the acetabular prosthesis in the preoperative planning of THA.
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spelling pubmed-68191732019-11-04 The Influence of Pelvic Tilt on the Anteversion Angle of the Acetabular Prosthesis Yang, Guoyue Li, Yayue Zhang, Hong Orthop Surg Review Articles The concept of the “safe area” of the acetabular prosthesis has a long history and has been recognized by many scholars. It is generally believed that postoperative hip dislocation rate is low, when the acetabular anteversion angle is placed in the range of 15° ± 10°. Despite this, hip dislocation is a common complication after total hip arthroplasty. In recent years, more and more scholars have paid attention to the influence of pelvic tilt on the acetabular anteversion angle. The concept of acetabular anteversion changes as the pelvic tilt changes, and is challenging the traditional acetabular prosthesis “safe area.” This study summarized the potential influencing factors of pelvic tilt and discussed the influence of the phenomenon on the anteversion angle of total hip arthroplasty (THA) acetabular prosthesis based on the literature review. We conclude that from the supine position to standing, followed by sitting, the pelvis tends to move backward. Pelvic sagittal activity, lumbar disease (ankylosing spondylitis), lumbar fusion (lumbar fusion, spine‐pelvic fusion), and other factors related to the tilt are THA risk factors for postoperative dislocation and revision. With the change of body position, the degree of acetabular anteversion is directly related to the degree of pelvic tilt. The acetabular anteversion varies greatly, which leads to increased hip prosthesis wear and even hip dislocation. The lateral X‐ray of the spine and pelvis is recommended in supine, standing, and sitting positions before THA. In addition, the pelvic tilt should be regarded as a reference of the acetabular prosthesis in the preoperative planning of THA. John Wiley & Sons Australia, Ltd 2019-10-29 /pmc/articles/PMC6819173/ /pubmed/31663281 http://dx.doi.org/10.1111/os.12543 Text en © 2019 The Authors. Orthopaedic Surgery published by Chinese Orthopaedic Association and John Wiley & Sons Australia, Ltd. This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Review Articles
Yang, Guoyue
Li, Yayue
Zhang, Hong
The Influence of Pelvic Tilt on the Anteversion Angle of the Acetabular Prosthesis
title The Influence of Pelvic Tilt on the Anteversion Angle of the Acetabular Prosthesis
title_full The Influence of Pelvic Tilt on the Anteversion Angle of the Acetabular Prosthesis
title_fullStr The Influence of Pelvic Tilt on the Anteversion Angle of the Acetabular Prosthesis
title_full_unstemmed The Influence of Pelvic Tilt on the Anteversion Angle of the Acetabular Prosthesis
title_short The Influence of Pelvic Tilt on the Anteversion Angle of the Acetabular Prosthesis
title_sort influence of pelvic tilt on the anteversion angle of the acetabular prosthesis
topic Review Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6819173/
https://www.ncbi.nlm.nih.gov/pubmed/31663281
http://dx.doi.org/10.1111/os.12543
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