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Eccentric Rotational Acetabular Osteotomy Using Computed Navigation Guidance for Developmental Dysplasia of the Hip, Sacroiliac Fusion, and Femoroacetabular Impingement Owing to Acetabular Retroversion: A Case Report

Authors :
Masashi Shimamura
Ken Iwata
Takaaki Fujiki
Tasuku Mashiba
Tetsuji Yamamoto
Source :
Orthopaedic Surgery, Vol 13, Iss 7, Pp 2177-2181 (2021)
Publication Year :
2021
Publisher :
Wiley, 2021.

Abstract

Background Developmental dysplasia of the hip (DDH) is the main factor that causes secondary osteoarthritis of the hip (hip OA). Acetabular retroversion results in pincer‐type femoroacetabular impingement (FAI), and this is also known to cause secondary hip OA. However, few cases of DDH with acetabular retroversion have been reported, and there is no definite opinion on the optimal treatment. We report a rare case of DDH and FAI owing to acetabular retroversion and dysostosis of the sacroiliac joint that was treated with eccentric acetabular rotational osteotomy (ERAO) using navigation guidance. Case Presentation A 27‐year‐old woman presented with DDH and acetabular retroversion with FAI and dysostosis of the sacroiliac joint on the contralateral side. We performed ERAO using computed navigation guidance and improved the coverage and retroversion of the acetabulum. The acetabular anteversion angle improved from 1° retroversion to 9° anteversion after surgery, the center edge angle improved from 18° to 43°, and the acetabular head index improved from 69% to 93%. The cam lesion of the femur was resected. The Harris Hip Score improved from 55.7 to 100 points at the final examination 2 years after surgery. Conclusions In this rare case of DDH and FAI, ERAO using computed navigation guidance accurately improved the coverage and retroversion of the acetabulum.

Details

Language :
English
ISSN :
17577861 and 17577853
Volume :
13
Issue :
7
Database :
Directory of Open Access Journals
Journal :
Orthopaedic Surgery
Publication Type :
Academic Journal
Accession number :
edsdoj.021189fed7774bf0aa533eb3138e1d72
Document Type :
article
Full Text :
https://doi.org/10.1111/os.12919