{"created":"2023-05-15T14:56:10.048562+00:00","id":76282,"links":{},"metadata":{"_buckets":{"deposit":"c0d26746-70d6-4e56-86c7-10272b2d8028"},"_deposit":{"created_by":1,"id":"76282","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"76282"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00076282","sets":["10:29"]},"author_link":["864645","864643","864651","864650","864646","864652","864649","864648","864647","864654","864653","864644"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2019-07-13","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"18F標識の心筋血流PET製剤の製品化が期待されており、今後は心臓PETのニーズが高まることが予想される。しかし、全身用PET装置は感度に限界があり、心臓PETの有用性を最大限引き出せていない。本研究では、心臓撮像に適した近接型の検出器配置を複数考案し、計算機シミュレーション（Geant4）によってその有用性を検証する。検出器配置は添付図に示した楕円型、D字型、全身サイズの円筒型（比較用）の計3種類を評価した。ヒトの胸部を模擬した楕円型の均一なファントム（10MBq）を視野内に配置し、感度（壊変数に対する真の同時計数率）および雑音等価計数率を評価した。楕円型、D字型、円筒型の順に、感度は0.94%, 0.96%, 0.56%、雑音等価計数率は43.1 kcps, 43.8 kcps, 30.4 kcpsであった。楕円型もしくはD字型の近接型検出器配置を用いることで、全身用PET装置の1.5~2倍の感度を達成できると予想される。高感度かつ低コストの心臓PET装置の実現可能性が示された。","subitem_description_type":"Abstract"}]},"item_10005_description_6":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）","attribute_value_mlt":[{"subitem_description":"第29回日本心臓核医学会総会・学術大会","subitem_description_type":"Other"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"赤松, 剛"}],"nameIdentifiers":[{"nameIdentifier":"864643","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"田島, 英朗"}],"nameIdentifiers":[{"nameIdentifier":"864644","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"岩男, 悠真"}],"nameIdentifiers":[{"nameIdentifier":"864645","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"高橋, 美和子"}],"nameIdentifiers":[{"nameIdentifier":"864646","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"吉田, 英治"}],"nameIdentifiers":[{"nameIdentifier":"864647","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山谷, 泰賀"}],"nameIdentifiers":[{"nameIdentifier":"864648","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Akamatsu, Go","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"864649","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Tashima, Hideaki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"864650","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Iwao, Yuma","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"864651","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Takahashi, Miwako","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"864652","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yoshida, Eiji","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"864653","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yamaya, Taiga","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"864654","nameIdentifierScheme":"WEKO"}]}]},"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":"conference object","resourceuri":"http://purl.org/coar/resource_type/c_c94f"}]},"item_title":"心臓用高感度PET装置の実現に向けた近接型検出器配置の基礎的検討","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"心臓用高感度PET装置の実現に向けた近接型検出器配置の基礎的検討"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-06-10"},"publish_date":"2019-06-10","publish_status":"0","recid":"76282","relation_version_is_last":true,"title":["心臓用高感度PET装置の実現に向けた近接型検出器配置の基礎的検討"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T21:59:54.433235+00:00"}