Robotic-arm assisted THA can achieve precise cup positioning in developmental dysplasia of the hip : a case control study

Hayashi, Shinya; Hashimoto, Shingo; Kuroda, Yuichi; Nakano, Naoki; Matsumoto, Tomoyuki; Ishida, Kazunari; Shibanuma, Nao; Kuroda, Ryosuke

https://hdl.handle.net/20.500.14094/0100476467

このアイテムのアクセス数:93件（2025-07-06 12:55 集計）

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メタデータID	0100476467
アクセス権	open access
出版タイプ	Version of Record
タイトル	Robotic-arm assisted THA can achieve precise cup positioning in developmental dysplasia of the hip : a case control study
著者	Hayashi, Shinya ; Hashimoto, Shingo ; Kuroda, Yuichi ; Nakano, Naoki ; Matsumoto, Tomoyuki ; Ishida, Kazunari ; Shibanuma, Nao ; Kuroda, Ryosuke
著者ID A1470 研究者ID 1000020437487 KUID https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=920f996ace595775520e17560c007669 著者名 Hayashi, Shinya 林, 申也ハヤシ, シンヤ所属機関名医学研究科
著者ID A0853 研究者ID 1000020457089 著者名 Hashimoto, Shingo 橋本, 慎吾ハシモト, シンゴ所属機関名医学研究科
著者名 Kuroda, Yuichi
著者名 Nakano, Naoki
著者名 Matsumoto, Tomoyuki
著者名 Ishida, Kazunari
著者名 Shibanuma, Nao
著者名 Kuroda, Ryosuke
言語	English (英語)
収録物名	Bone & Joint Research
巻(号)	10(10)
ページ	629-638
出版者	British Editorial Society of Bone and Joint Surgery
刊行日	2021-09-30
公開日	2022-09-21
抄録	Aims: This study aimed to evaluate the accuracy of implant placement with robotic-arm assisted total hip arthroplasty (THA) in patients with developmental dysplasia of the hip (DDH). Methods: The study analyzed a consecutive series of 69 patients who underwent robotic-arm assisted THA between September 2018 and December 2019. Of these, 30 patients had DDH and were classified according to the Crowe type. Acetabular component alignment and 3D positions were measured using pre- and postoperative CT data. The absolute differences of cup alignment and 3D position were compared between DDH and non-DDH patients. Moreover, these differences were analyzed in relation to the severity of DDH. The discrepancy of leg length and combined offset compared with contralateral hip were measured. Results: The mean values of absolute differences (postoperative CT-preoperative plan) were 1.7° (standard deviation (SD) 2.0) (inclination) and 2.5° (SD 2.1°) (anteversion) in DDH patients, and no significant differences were found between non-DDH and DDH patients. The mean absolute differences for 3D cup position were 1.1 mm (SD 1.0) (coronal plane) and 1.2 mm (SD 2.1) (axial plane) in DDH patients, and no significant differences were found between two groups. No significant difference was found either in cup alignment between postoperative CT and navigation record after cup screws or in the severity of DDH. Excellent restoration of leg length and combined offset were achieved in both groups. Conclusion: We demonstrated that robotic-assisted THA may achieve precise cup positioning in DDH patients, and may be useful in those with severe DDH.
キーワード	Robotic-arm assisted THA
	3D alignment
	Developmental dysplasia of the hip
	Robotic Arm
	developmental dysplasia of the hip (DDH)
	Hip
	Acetabular component
	leg length
	standard deviations
	total hip arthroplasty (THA)
	Mann-Whitney U test
	acetabulum
	University of California, Los Angeles (UCLA) activity score
カテゴリ	医学研究科
カテゴリ	学術雑誌論文
権利	© 2021 Author(s) et al.
権利	This is an open- access article distributed under the terms of the Creative Commons Attribution Non- Commercial No Derivatives (CC BY-NC-ND 4.0) licence, which permits the copying and redistribution of the work only, and provided the original author and source are credited. See https://creativecommons.org/ licenses/by-nc-nd/4.0/.
関連情報	DOI https://doi.org/10.1302/2046-3758.1010.BJR-2021-0095.R1

資源タイプ	journal article
eISSN	2046-3758　OPACで所蔵を検索　 CiNiiで学外所蔵を検索

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