Effect of periacetabular osteotomy on the distribution pattern of subchondral bone mineral density in patients with hip dysplasia

Shimizu, Tomohiro; Takahashi, Daisuke; Nakamura, Yumejiro; Miyazaki, Takuji; Yokota, Shunichi; Ishizu, Hotaka; Iwasaki, Norimasa

Effect of periacetabular osteotomy on the distribution pattern of subchondral bone mineral density in patients with hip dysplasia

Shimizu, Tomohiro; Takahashi, Daisuke; Nakamura, Yumejiro et al.

Journal of orthopaedic research, 2022, 40(11), 2626-2631

Permalink : https://hdl.handle.net/2115/90685

このアイテムのアクセス数:257件（2026-01-14 06:01 集計）

閲覧可能ファイル

ファイル	フォーマット	サイズ	閲覧回数	説明
jor.25284	pdf	3.33 MB	185

論文情報

ファイル出力 EndNote Basic出力 Mendeley出力

アクセス権	open access
URI	https://hdl.handle.net/2115/90685
タイトル	Effect of periacetabular osteotomy on the distribution pattern of subchondral bone mineral density in patients with hip dysplasia
著者	Shimizu, Tomohiro ; Takahashi, Daisuke ; Nakamura, Yumejiro ; Miyazaki, Takuji ; Yokota, Shunichi ; Ishizu, Hotaka ; Iwasaki, Norimasa
e-Rad_Researcher 60784246 著者名 Shimizu, Tomohiro
e-Rad_Researcher 90528845 著者名 Takahashi, Daisuke
著者名 Nakamura, Yumejiro
著者名 Miyazaki, Takuji
著者名 Yokota, Shunichi
著者名 Ishizu, Hotaka
e-Rad_Researcher 30322803 著者名 Iwasaki, Norimasa
言語	英語
キーワード	bone mineral density
	hip dysplasia
	periacetabular osteotomy
発行日	2022-11
出版者	John Wiley & Sons
収録物名	Journal of orthopaedic research
巻(号)	40(11)
ページ	2626-2631
抄録	Despite the availability of long-term follow-up data, the effect of pelvic osteotomy on the natural history of osteoarthritis is not yet fully understood, partly because there is untapped potential for radiographs to better describe osteoarthritis. Therefore, this study aimed to assess the distribution of subchondral bone mineral density (BMD) across the acetabulum in patients with hip dysplasia immediately (2 weeks) and 1 year after undergoing periacetabular osteotomy (PAO). To that end, we reviewed 40 hips from 33 patients with developmental dysplasia of the hip who underwent PAO between January 2016 and July 2019 at our institution. We measured subchondral BMD through the articular surface of the acetabulum using computed tomography osteoabsorptiometry, dividing the distribution map into nine segments. We then compared the subchondral BMD between 2 weeks and 1 year after PAO in each area. At 2 weeks after PAO, the high-density area tended to be localized particularly in the lateral part of the acetabulum, whereas 1 year after PAO, the high-density area moved to the central and lateral parts. The percentage ratios of the subchondral BMD for the central-posterior, lateral-central, and lateral-posterior areas relative to the central-central area were significantly decreased at 1 year after PAO, as compared to those at 2 weeks after PAO. These findings suggest that loading was altered by PAO to be more similar to physiological loading. A long follow-up observational study is warranted to confirm the association between early changes in subchondral BMD by PAO and joint degeneration.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
権利情報	© 2022. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
PISSN	0736-0266
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1002/jor.25284