Transcoronary mapping with an over-the-wire multielectrode catheter in scar-related ventricular tachycardia patients
© The Author(s) 2023. Published by Oxford University Press on behalf of the European Society of Cardiology..
AIMS: The usefulness of coronary venous system mapping has been reported for assessing intramural and epicardial substrates in patients with scar-related ventricular tachycardia (VT). However, there has been little data on mapping from coronary arteries. We investigated the safety and utility of mapping from coronary arteries with a novel over-the-wire multielectrode catheter in scar-related VT patients.
METHODS AND RESULTS: Ten consecutive scar-related VT patients with non-ischaemic cardiomyopathy who underwent mapping from a coronary artery were analysed. Six patients underwent simultaneous coronary venous mapping. High-density maps were created by combining the left ventricular endocardium and coronary vessels. Substrate maps were created during the baseline rhythm with 2438 points (IQR 2136-3490 points), including 329 (IQR 59-508 points) in coronary arteries. Abnormal bipolar electrograms were successfully recorded within coronary arteries close to the endocardial substrate in seven patients. During VT, isthmus components were recorded within the coronary vessels in three patients with no discernible isthmus components on endocardial mapping. The ablation terminated the VT from an endocardial site opposite the earliest site in the coronary arteries in five patients.
CONCLUSION: The transcoronary mapping with an over-the-wire multielectrode catheter can safely record abnormal bipolar electrograms within coronary arteries. Additional mapping data from the coronary vessels have the potential to assess three-dimensional ventricular substrates and circuit structures in scar-related VT patients.
| Errataetall: |
CommentOn: Europace. 2023 Apr 15;25(4):1339-1344. - PMID 36607137 |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:26 |
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| Enthalten in: |
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology - 26(2023), 1 vom: 28. Dez. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Nishimura, Takuro [VerfasserIn] |
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| Links: |
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| Themen: |
Comment |
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| Anmerkungen: |
Date Completed 04.01.2024 Date Revised 15.01.2024 published: Print CommentOn: Europace. 2023 Apr 15;25(4):1339-1344. - PMID 36607137 Citation Status MEDLINE |
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| doi: |
10.1093/europace/euad365 |
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| Förderinstitution / Projekttitel: |
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NLM365869449 |
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| 245 | 1 | 0 | |a Transcoronary mapping with an over-the-wire multielectrode catheter in scar-related ventricular tachycardia patients |
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| 500 | |a CommentOn: Europace. 2023 Apr 15;25(4):1339-1344. - PMID 36607137 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © The Author(s) 2023. Published by Oxford University Press on behalf of the European Society of Cardiology. | ||
| 520 | |a AIMS: The usefulness of coronary venous system mapping has been reported for assessing intramural and epicardial substrates in patients with scar-related ventricular tachycardia (VT). However, there has been little data on mapping from coronary arteries. We investigated the safety and utility of mapping from coronary arteries with a novel over-the-wire multielectrode catheter in scar-related VT patients | ||
| 520 | |a METHODS AND RESULTS: Ten consecutive scar-related VT patients with non-ischaemic cardiomyopathy who underwent mapping from a coronary artery were analysed. Six patients underwent simultaneous coronary venous mapping. High-density maps were created by combining the left ventricular endocardium and coronary vessels. Substrate maps were created during the baseline rhythm with 2438 points (IQR 2136-3490 points), including 329 (IQR 59-508 points) in coronary arteries. Abnormal bipolar electrograms were successfully recorded within coronary arteries close to the endocardial substrate in seven patients. During VT, isthmus components were recorded within the coronary vessels in three patients with no discernible isthmus components on endocardial mapping. The ablation terminated the VT from an endocardial site opposite the earliest site in the coronary arteries in five patients | ||
| 520 | |a CONCLUSION: The transcoronary mapping with an over-the-wire multielectrode catheter can safely record abnormal bipolar electrograms within coronary arteries. Additional mapping data from the coronary vessels have the potential to assess three-dimensional ventricular substrates and circuit structures in scar-related VT patients | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Comment | |
| 650 | 4 | |a Coronary artery | |
| 650 | 4 | |a High-density mapping | |
| 650 | 4 | |a Non-ischaemic cardiomyopathy | |
| 650 | 4 | |a Ventricular tachycardia | |
| 700 | 1 | |a Goya, Masahiko |e verfasserin |4 aut | |
| 700 | 1 | |a Takigawa, Masateru |e verfasserin |4 aut | |
| 700 | 1 | |a Negishi, Miho |e verfasserin |4 aut | |
| 700 | 1 | |a Ikenouchi, Takashi |e verfasserin |4 aut | |
| 700 | 1 | |a Yamamoto, Tasuku |e verfasserin |4 aut | |
| 700 | 1 | |a Kawamura, Iwanari |e verfasserin |4 aut | |
| 700 | 1 | |a Goto, Kentaro |e verfasserin |4 aut | |
| 700 | 1 | |a Shigeta, Takatoshi |e verfasserin |4 aut | |
| 700 | 1 | |a Takamiya, Tomomasa |e verfasserin |4 aut | |
| 700 | 1 | |a Tao, Susumu |e verfasserin |4 aut | |
| 700 | 1 | |a Yonetsu, Taishi |e verfasserin |4 aut | |
| 700 | 1 | |a Miyazaki, Shinsuke |e verfasserin |4 aut | |
| 700 | 1 | |a Sasano, Tetsuo |e verfasserin |4 aut | |
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