Atraumatic Anterior Dislocation of the Hip Joint

Dislocation of the hip joint in adults is usually caused by high-energy trauma such as road traffic accidents or falls from heights. Posterior dislocation is observed in most cases. However, atraumatic anterior dislocation of the hip joint is extremely rare. We present a case of atraumatic anterior...

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Main Authors: Tadahiko Ohtsuru, Yasuyuki Morita, Yasuaki Murata, Junya Itou, Yuji Morita, Yutaro Munakata, Yoshiharu Kato
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Case Reports in Orthopedics
Online Access:http://dx.doi.org/10.1155/2015/120796
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author Tadahiko Ohtsuru
Yasuyuki Morita
Yasuaki Murata
Junya Itou
Yuji Morita
Yutaro Munakata
Yoshiharu Kato
author_facet Tadahiko Ohtsuru
Yasuyuki Morita
Yasuaki Murata
Junya Itou
Yuji Morita
Yutaro Munakata
Yoshiharu Kato
author_sort Tadahiko Ohtsuru
collection DOAJ
description Dislocation of the hip joint in adults is usually caused by high-energy trauma such as road traffic accidents or falls from heights. Posterior dislocation is observed in most cases. However, atraumatic anterior dislocation of the hip joint is extremely rare. We present a case of atraumatic anterior dislocation of the hip joint that was induced by an activity of daily living. The possible causes of this dislocation were anterior capsule insufficiency due to developmental dysplasia of the hip, posterior pelvic tilt following thoracolumbar kyphosis due to vertebral fracture, and acetabular anterior coverage changes by postural factor. Acetabular anterior coverage changes in the sagittal plane were measured using a tomosynthesis imaging system. This system was useful for elucidation of the dislocation mechanism in the present case.
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publishDate 2015-01-01
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series Case Reports in Orthopedics
spelling doaj-art-a81da0ae93b243f3921c6018421d3a832025-02-03T01:09:08ZengWileyCase Reports in Orthopedics2090-67492090-67572015-01-01201510.1155/2015/120796120796Atraumatic Anterior Dislocation of the Hip JointTadahiko Ohtsuru0Yasuyuki Morita1Yasuaki Murata2Junya Itou3Yuji Morita4Yutaro Munakata5Yoshiharu Kato6Department of Orthopedic Surgery, Tokyo Women’s Medical University, 8-1 Kawada-Cho, Shinjuku Ward, Tokyo 162-8666, JapanDepartment of Radiology, Tokyo Women’s Medical University, Tokyo 162-8666, JapanDepartment of Orthopedic Surgery, Tokyo Women’s Medical University, 8-1 Kawada-Cho, Shinjuku Ward, Tokyo 162-8666, JapanDepartment of Orthopedic Surgery, Tokyo Women’s Medical University, 8-1 Kawada-Cho, Shinjuku Ward, Tokyo 162-8666, JapanDepartment of Orthopedic Surgery, Tokyo Women’s Medical University, 8-1 Kawada-Cho, Shinjuku Ward, Tokyo 162-8666, JapanDepartment of Orthopedic Surgery, Tokyo Women’s Medical University, 8-1 Kawada-Cho, Shinjuku Ward, Tokyo 162-8666, JapanDepartment of Orthopedic Surgery, Tokyo Women’s Medical University, 8-1 Kawada-Cho, Shinjuku Ward, Tokyo 162-8666, JapanDislocation of the hip joint in adults is usually caused by high-energy trauma such as road traffic accidents or falls from heights. Posterior dislocation is observed in most cases. However, atraumatic anterior dislocation of the hip joint is extremely rare. We present a case of atraumatic anterior dislocation of the hip joint that was induced by an activity of daily living. The possible causes of this dislocation were anterior capsule insufficiency due to developmental dysplasia of the hip, posterior pelvic tilt following thoracolumbar kyphosis due to vertebral fracture, and acetabular anterior coverage changes by postural factor. Acetabular anterior coverage changes in the sagittal plane were measured using a tomosynthesis imaging system. This system was useful for elucidation of the dislocation mechanism in the present case.http://dx.doi.org/10.1155/2015/120796
spellingShingle Tadahiko Ohtsuru
Yasuyuki Morita
Yasuaki Murata
Junya Itou
Yuji Morita
Yutaro Munakata
Yoshiharu Kato
Atraumatic Anterior Dislocation of the Hip Joint
Case Reports in Orthopedics
title Atraumatic Anterior Dislocation of the Hip Joint
title_full Atraumatic Anterior Dislocation of the Hip Joint
title_fullStr Atraumatic Anterior Dislocation of the Hip Joint
title_full_unstemmed Atraumatic Anterior Dislocation of the Hip Joint
title_short Atraumatic Anterior Dislocation of the Hip Joint
title_sort atraumatic anterior dislocation of the hip joint
url http://dx.doi.org/10.1155/2015/120796
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