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心房細動の発症基盤としての肺静脈内心房筋の電気生理学的特徴
http://hdl.handle.net/10191/48191
http://hdl.handle.net/10191/48191ce8daa57-d56d-47ac-bdb6-b620f94ed8ac
名前 / ファイル | ライセンス | アクション |
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115(5)_183-192.pdf (1.4 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2017-11-09 | |||||
タイトル | ||||||
タイトル | 心房細動の発症基盤としての肺静脈内心房筋の電気生理学的特徴 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | 心房細動の発症基盤としての肺静脈内心房筋の電気生理学的特徴 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Atrial fibrillation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Pulmonary vein | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Atrial effective refractory period | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 心房細動 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 肺静脈 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 心房有効不応期 | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
その他のタイトル | ||||||
その他のタイトル | Atrial Myocardium Extending into Pulmonary Veins and its Arrhythmogenicity for the Initiation of Atrial Fibrillation | |||||
著者 |
田川, 実
× 田川, 実 |
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著者別名 | ||||||
識別子 | 95987 | |||||
識別子Scheme | WEKO | |||||
姓名 | Tagawa, Minoru | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Some atrial fibrillation (Af) originates from the atrial myocardium extending into the pulmonary veins (PV). Since electrophysiologic characteristics of the atrial myocardium in the PV have not well been studied, we mapped the area of atrial activity in the PV and compared the inducibility of Af and ERP at three sites: left-sided superior and inferior PVs (SPV and LPV) and high right strium (RA), in 7 canine hearts. Methods: SPV and LPV werecatheters, bipolar electrograms were consecutively recorded from each PV to LA. Another catheter was placed at RA. Programmed electrical stimulation, which consisted of single and double extrastimulus (SE and DE) and burst pacing, was attempted from each anatomical site. Results: (1) In both SPV and LPV, atrial activity was recorded 4-5 cm from the atrio-pulmonary junction. (2) Conduction of atrial activity was heterogeneous in the PV. (3) ERP at PV measured at the basic drive of 300 ms (110 ± 15 ms in UPV and 101 ± 24 ms in LPV) was shorter than that of RA (139 ± 15 ms). (4) In all 7 hearts, Af was induced by programmed stimulation from UPV or LPV (SE in 4 hearts, DE in 2 hearts, burst pacing in 1 heart). On the other hand, Af was induced from RA in only one heart. Conclusions: Atrial electrograms were extensively recorded in the PV. Single atrial firing in the PV can initiate Af and this may be associated with shorter ERP in the area. | |||||
書誌情報 |
新潟医学会雑誌 en : 新潟医学会雑誌 巻 115, 号 5, p. 183-192, 発行日 2001-05 |
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出版者 | ||||||
出版者 | 新潟医学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00290440 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00182415 | |||||
著者版フラグ | ||||||
値 | publisher |