{"created":"2023-06-20T16:00:25.824244+00:00","id":18845,"links":{},"metadata":{"_buckets":{"deposit":"174e9709-fa82-458e-b1ab-ced634ed4cea"},"_deposit":{"created_by":41,"id":"18845","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"18845"},"status":"published"},"_oai":{"id":"oai:redcross.repo.nii.ac.jp:00018845","sets":["340:341:733"]},"author_link":["70620","70622","70617","70618","70619","70621"],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2023-03-31","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"20","bibliographicPageStart":"17","bibliographicVolumeNumber":"27","bibliographic_titles":[{"bibliographic_title":"高知赤十字病院医学雑誌"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"CT 検査においてメタルアーチファクトは画像診断に影響を与える . 臨床的有用な画像提供を行うためにメタルアーチファクト低減（Metal artifact reduction：MAR）アプリケーションの特性を検証する．水ファントム 1，水 + 人工股関節全置換術の THA インプラントファントム 2 を用いて CT 撮影条件を変化させ撮影を行い，ノイズ標準偏差（Noise standard deviation：Noise SD）を計測した．Noise SD から Artifact Index（AI）を算出し定量評価を行った . 管電圧を上昇させることで AI は低減となった．ヘリカルピッチを大きくすることで AI は緩やかな増加傾向を示した．MAR アプリケーションを使用することで，AI は使用前より低減した．高管電圧撮影や低ヘリカルピッチ撮影の使用は AI 低減効果を認めるが放射線被ばくの増大に繋がる．しかし MAR アプリケーションは放射線被ばくの増大がなく，AI 低減効果も大きいため有用であると考えられた．","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"高知赤十字病院"}]},"item_10001_rights_15":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"高知赤十字病院"}]},"item_10001_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0919-7427","subitem_source_identifier_type":"ISSN"}]},"item_10001_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"白石, 卓也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"高橋, 健次郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山本, 晃司"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"濱田, 凌"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中谷, 貴美子"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"伊藤, 悟志"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2023-06-02"}],"displaytype":"simple","filename":"第一放射線科部 白石卓也.pdf","filesize":[{"value":"688.0 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":" 高知赤十字病院医学雑誌Vol.27-04  ","url":"https://redcross.repo.nii.ac.jp/record/18845/files/第一放射線科部 白石卓也.pdf"},"version_id":"739fce01-bc26-406a-96d5-f612eb2678ba"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"CT","subitem_subject_scheme":"Other"},{"subitem_subject":"管電圧","subitem_subject_scheme":"Other"},{"subitem_subject":"ヘリカルピッチ","subitem_subject_scheme":"Other"},{"subitem_subject":"メタルアーチファクト","subitem_subject_scheme":"Other"},{"subitem_subject":"MAR","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"CT 検査におけるメタルアーチファクト低減処理の有用性","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"CT 検査におけるメタルアーチファクト低減処理の有用性"}]},"item_type_id":"10001","owner":"41","path":["733"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-06-02"},"publish_date":"2023-06-02","publish_status":"0","recid":"18845","relation_version_is_last":true,"title":["CT 検査におけるメタルアーチファクト低減処理の有用性"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2023-06-20T17:34:41.392815+00:00"}