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Three-Dimensional Analysis of the Contact Pattern between the Cortical Bone and Femoral Prosthesis after Cementless Total Hip Arthroplasty
http://hdl.handle.net/2241/00143435
http://hdl.handle.net/2241/00143435d167c22e-3d23-4b59-8012-c97a213e36ba
名前 / ファイル | ライセンス | アクション |
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AO_2016-8052380 (3.3 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2016-07-28 | |||||
タイトル | ||||||
タイトル | Three-Dimensional Analysis of the Contact Pattern between the Cortical Bone and Femoral Prosthesis after Cementless Total Hip Arthroplasty | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Wada, Hiroshi
× Wada, Hiroshi× Mishima, Hajime× Sugaya, Hisashi× Nishino, Tomofumi× Yamazaki, Masashi |
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著者別名 |
三島, 初
× 三島, 初× 菅谷, 久× 西野, 衆文× 山崎, 正志 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The cementless stem Excia (B. Braun, Melsungen, Germany) implant has a rectangular cross-sectional shape with back-and-forth flanges and a plasma-sprayed, dicalcium phosphate dihydrate coating from the middle to proximal portion to increase initial fixation and early bone formation. Here, the conformity of the Excia stem to the femoral canal morphology was three-dimensionally assessed using computed tomography. Forty-three patients (45 hips) were examined after primary total hip arthroplasty with a mean follow-up of 27 ± 3 months (range: 24–36 months). Spot welds occurred at zone 2 in 16 hips and at zone 6 in 24 hips, with 83% (20/24 hips) of those occurring within 3 months after surgery. First- ( hips), second- (), and third- () degree stress shielding were observed. The stem was typically in contact with the cortical bone in the anterolateral mid-portion (100%) and posteromedial distal portions (85%). Stress shielding did not progress, even in cases where the stems were in contact with the distal portions. The anterior flange was in contact with the bone in all cases. The stability of the mid-lateral portion with the dicalcium phosphate dihydrate coating and the anterior flange may have inhibited the progression of stress shielding beyond the second degree. | |||||
書誌情報 |
Advances in orthopedics 巻 2016, p. 8052380, 発行日 2016 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2090-3464 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 26881087 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1155/2016/8052380 | |||||
権利 | ||||||
権利情報 | © 2016 HiroshiWada et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | Hindawi Publishing Corporation |