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An effective case of anterior mitral line ablation after incomplete posterior line in mitral isthmus on peri- mitral flutter after ablation for persistent atrial fibrillation.
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- Seko Yuta
- Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Haruna Tetsuya
- Department of Heart Rhythm, Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Funasako Moritoshi
- Department of Heart Rhythm, Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Kimura Yuki
- Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Sekihara Takayuki
- Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Hayashi Hideyuki
- Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Okano Mitsumasa
- Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Sasaki Kenichi
- Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Nakane Eisaku
- Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Miyamoto Shouichi
- Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Izumi Toshiaki
- Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
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- Inoko Moriaki
- Cardiovascular Center, Tazuke Kofukai Medical Research Institute, Kitano
Bibliographic Information
- Other Title
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- 持続性心房細動アブレーション後のmitral flutterに対して,mitral isthmus line未完成後,anterior line作成が有効であった1例
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Description
<p></p><p>症例:70歳男性.心不全症状を伴う持続性心房細動(AF)に対して,2014年11月にPVIおよび左心耳近傍を含む左心房内CFAE通電を行った.心房粗動(AFL)が出現したため,2nd sessionを施行した.AFL(AFLCL 235ms)は僧帽弁輪を時計方向に旋回するmitral isthmus依存であった.左下肺静脈から僧帽弁口側壁方向にブロックライン作成(posterior mitral isthmus line)を試みたが,頻拍周期の延長は認めるもAFLは停止しなかった.Posterior mitral isthmus lineは未完成であるため,左上肺静脈の前壁天蓋から僧帽弁口前壁方向へのブロックライン(anterior mitral isthmus line)作成を試みた.Anterior mitral isthmus line作成中,AFLは停止した.約4か月後,頻拍周期が延長し,反時計方向に旋回するmitral isthmus依存性AFL(ATCL 406ms)が再発したが,前回のanterior mitral isthmus line中央付近のfragmented potentialへの通電中にAFLは停止した.Anterior mitral isthmus line作成後,左心耳への興奮伝導時間の延長が示唆されたが,洞調律時の僧帽弁通過血流で,左心房興奮波のQRS波に対する遅延はわずかであった.以後,洞調律維持され,心不全症状も認めていない.Mitral isthmus依存性AFLに対して,posterior mitral isthmus line作成困難であったため,anterior mitral isthmus line作成を行った.</p>
Journal
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- Shinzo
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Shinzo 48 (SUPPL.2), S2_124-S2_128, 2016-12-30
Japan Heart Foundation
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Details 詳細情報について
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- CRID
- 1390845712986764032
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- NII Article ID
- 130007435145
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- ISSN
- 21863016
- 05864488
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed