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Pedicle screw loosening after posterior spinal fusion for adolescent idiopathic scoliosis in upper and lower instrumented vertebrae having major perforation(思春期特発性側弯症手術における椎弓根スクリューの緩みは頭尾側固定端で生じやすい). 信州大学, 2018, 博士論文.", "subitem_description_type": "Other"}]}, "item_14_dissertation_number_7": {"attribute_name": "学位授与番号", "attribute_value_mlt": [{"subitem_dissertationnumber": "13601甲第1119号"}]}, "item_14_link_74": {"attribute_name": "WoS", "attribute_value_mlt": [{"subitem_link_text": "Web of Science", "subitem_link_url": "http://gateway.isiknowledge.com/gateway/Gateway.cgi?\u0026GWVersion=2\u0026SrcAuth=ShinshuUniv\u0026SrcApp=ShinshuUniv\u0026DestLinkType=FullRecord\u0026DestApp=WOS\u0026KeyUT=000423062900020"}]}, "item_14_publisher_4": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "信州大学"}]}, "item_14_relation_55": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_name": [{"subitem_relation_name_text": "10.1097/BRS.0000000000002305"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://doi.org/10.1097/BRS.0000000000002305", "subitem_relation_type_select": "DOI"}}]}, "item_14_rights_69": {"attribute_name": "権利", "attribute_value_mlt": [{"subitem_rights": "This is a non-final version of an article published in final form in SPINE. 42(24):1895-1900, 2017."}]}, "item_14_select_71": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "ETD"}]}, "item_14_text_11": {"attribute_name": "学位の区分", "attribute_value_mlt": [{"subitem_text_value": "doctoral"}]}, "item_14_text_12": {"attribute_name": "学位の分野", "attribute_value_mlt": [{"subitem_text_value": "医学"}]}, "item_14_text_13": {"attribute_name": "学位の報告番号", "attribute_value_mlt": [{"subitem_text_value": "甲第1119号"}]}, "item_14_text_76": {"attribute_name": "wosonly authkey", "attribute_value_mlt": [{"subitem_text_value": "adolescent idiopathic scoliosis; complication; lower instrumented vertebra; perforation rate; posterior spinal fusion; screw loosening; upper instrumented vertebra"}]}, "item_14_text_77": {"attribute_name": "wosonly keywords", "attribute_value_mlt": [{"subitem_text_value": "LUMBAR SPINE; FIXATION; THORACOLUMBAR; PLACEMENT; BONE"}]}, "item_14_textarea_75": {"attribute_name": "wosonly abstract", "attribute_value_mlt": [{"subitem_textarea_value": "Study Design. A retrospective chart review. Objective. The aim of this study was to investigate the incidence and characteristics of screw loosening in surgically treated adolescent idiopathic scoliosis (AIS) patients. Summary of Background Data. Pedicle screws are widely used in posterior spinal fusion for AIS, although postoperative loosening can occur. However, few reports exist on screw loosening after pedicle screw fixation in young scoliosis patients and the etiology of loosening is not well known. Methods. One hundred twenty AIS patients (9 males, 111 females; mean age: 15.0 years) who had received pedicle screw fixation were retrospectively reviewed. All patients underwent routine computed tomography (CT) reconstruction scans at 6 months postoperatively to assess screw position, bony fusion, and the presence of screw loosening. The perforation status of each pedicle screw was assigned a grade of 0 to 3 using Rao classification. Results. Forty-three of 1624 (2.6%) screws showed evidence of loosening on CT. Screw loosening rates according to vertebral insertion level were upper instrumented vertebra (UIV): 9.6%; lower instrumented vertebra (LIV): 5.4%; one vertebra below the UIV: 1.8%; one vertebra above the LIV: 0.5%; two vertebrae below the UIV: 1.2%; and three vertebrae below the UIV: 0.9%. Screw loosening rates based on screw perforation grade were Grade 0: 1.4%; Grade 1: 3.1%; Grade 2: 15.5%; and Grade 3: 15.2%. Multivariate analysis revealed a distance from the UIV or LIV of one vertebra as well as the presence of major perforation to be independent factors affecting screw loosening. The odds ratios (ORs) of UIV/LIV insertion and major perforation were 73.4 and 17.2, respectively. When major perforations occurred in the UIV or LIV, the OR for loosening approached 1262. Conclusion. Pedicle screw loosening after posterior spinal fusion in AIS patients tend to occur in the UIV or LIV. Major screw perforation is also significantly associated with screw loosening. 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Pedicle screw loosening after posterior spinal fusion for adolescent idiopathic scoliosis in upper and lower instrumented vertebrae having major perforation(思春期特発性側弯症手術における椎弓根スクリューの緩みは頭尾側固定端で生じやすい)
http://hdl.handle.net/10091/00020725
http://hdl.handle.net/10091/0002072593b8bd67-6104-4aee-8835-2f74a5ae8a42
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内容の要旨 (128.4 kB)
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審査結果の要旨 (105.7 kB)
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博士論文の全文 (227.5 kB)
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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公開日 | 2018-06-28 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Pedicle screw loosening after posterior spinal fusion for adolescent idiopathic scoliosis in upper and lower instrumented vertebrae having major perforation(思春期特発性側弯症手術における椎弓根スクリューの緩みは頭尾側固定端で生じやすい) | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_db06 | |||||
タイプ | doctoral thesis | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
上原, 将志
× 上原, 将志 |
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出版者 | ||||||
出版者 | 信州大学 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 上原 将志. Pedicle screw loosening after posterior spinal fusion for adolescent idiopathic scoliosis in upper and lower instrumented vertebrae having major perforation(思春期特発性側弯症手術における椎弓根スクリューの緩みは頭尾側固定端で生じやすい). 信州大学, 2018, 博士論文. | |||||
書誌情報 |
発行日 2018-03-31 |
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学位授与番号 | ||||||
学位授与番号 | 13601甲第1119号 | |||||
学位授与年月日 | ||||||
学位授与年月日 | 2018-03-31 | |||||
学位名 | ||||||
学位名 | 博士(医学) | |||||
学位授与機関 | ||||||
学位授与機関識別子Scheme | kakenhi | |||||
学位授与機関識別子 | 13601 | |||||
学位授与機関名 | 信州大学(Shinshu university) | |||||
学位の区分 | ||||||
doctoral | ||||||
学位の分野 | ||||||
医学 | ||||||
学位の報告番号 | ||||||
甲第1119号 | ||||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 雑誌に発表。SPINE. 42(24):1895-1900 (2017); doi:10.1097/BRS.0000000000002305. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Thesis | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1097/BRS.0000000000002305 | |||||
関連名称 | 10.1097/BRS.0000000000002305 | |||||
権利 | ||||||
権利情報 | This is a non-final version of an article published in final form in SPINE. 42(24):1895-1900, 2017. | |||||
出版タイプ | ||||||
出版タイプ | NA | |||||
出版タイプResource | http://purl.org/coar/version/c_be7fb7dd8ff6fe43 | |||||
WoS | ||||||
Web of Science | ||||||
URL | http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000423062900020 |