Mapping and ablation of left atrial roof-dependent tachycardias using an ultra-high resolution mapping system
Abstract Background Left atrial roof-dependent tachycardias (LARTs) are common macroreentrant atrial tachycardias (ATs). We sought to characterize clinical LARTs using an ultra-high resolution mapping system. Methods This study included 22 consecutive LARTs in 21 patients who underwent AT mapping/ab...
Ausführliche Beschreibung
Autor*in: |
Shinsuke Miyazaki [verfasserIn] Kanae Hasegawa [verfasserIn] Kazuya Yamao [verfasserIn] Eri Ishikawa [verfasserIn] Moe Mukai [verfasserIn] Daisetsu Aoyama [verfasserIn] Minoru Nodera [verfasserIn] Junya Yamaguchi [verfasserIn] Yuichiro Shiomi [verfasserIn] Naoto Tama [verfasserIn] Hiroyuki Ikeda [verfasserIn] Yoshitomo Fukuoka [verfasserIn] Kentaro Ishida [verfasserIn] Hiroyasu Uzui [verfasserIn] Yoshito Iesaka [verfasserIn] Hiroshi Tada [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
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2022 |
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In: BMC Cardiovascular Disorders - BMC, 2003, 22(2022), 1, Seite 12 |
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Übergeordnetes Werk: |
volume:22 ; year:2022 ; number:1 ; pages:12 |
Links: |
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DOI / URN: |
10.1186/s12872-022-02505-z |
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Katalog-ID: |
DOAJ017491762 |
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520 | |a Abstract Background Left atrial roof-dependent tachycardias (LARTs) are common macroreentrant atrial tachycardias (ATs). We sought to characterize clinical LARTs using an ultra-high resolution mapping system. Methods This study included 22 consecutive LARTs in 21 patients who underwent AT mapping/ablation using Rhythmia systems. Results Three, 13, 4, and 2 LART patients were cardiac intervention naïve (Group-A), post-roof line ablation (Group-B), post-atrial fibrillation ablation without linear ablation (Group-C), and post-cardiac surgery (Group-D), respectively. The mean AT cycle length was 244 ± 43 ms. Coronary sinus activation was proximal-to-distal or distal-to-proximal in 16 (72.7%) ATs. The activation map revealed 13 (59.1%) clockwise and 9 (40.9%) counter-clockwise LARTs. A 12-lead synchronous isoelectric interval was observed in 10/19 (52.6%) LARTs. The slow conduction area was identified on the LA roof, anterior/septal wall, and posterior wall in 18, 6, and 2 ATs, respectively. Twenty concomitant ATs among 13 procedures were also eliminated, and peri-mitral AT coexisted in 7 of 9 non-group-B patients. In group-B, the conduction gap was predominantly located on the mid-roof. Sustained LARTs were terminated by a single application and linear ablation in 6 (27.3%) and 9 (40.9%), while converting to other ATs in 7 (31.8%) LARTs. Complete linear block was created without any complications in all, however, ablation at the mid-posterior wall was required to achieve block in 4 (18.2%) procedures. During 14.0 (6.5–28.5) months of follow-up, 17 (81.0%) and 19 (90.5%) patients were free from any atrial tachyarrhythmias after single and last procedures. Conclusions The LART mechanisms were distinct in individual patients, and elimination of all concomitant ATs was required for the management. | ||
650 | 4 | |a Atrial tachycardia | |
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10.1186/s12872-022-02505-z doi (DE-627)DOAJ017491762 (DE-599)DOAJ7faf2967476d40ba88bf5bf2b77f88bf DE-627 ger DE-627 rakwb eng RC666-701 Shinsuke Miyazaki verfasserin aut Mapping and ablation of left atrial roof-dependent tachycardias using an ultra-high resolution mapping system 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background Left atrial roof-dependent tachycardias (LARTs) are common macroreentrant atrial tachycardias (ATs). We sought to characterize clinical LARTs using an ultra-high resolution mapping system. Methods This study included 22 consecutive LARTs in 21 patients who underwent AT mapping/ablation using Rhythmia systems. Results Three, 13, 4, and 2 LART patients were cardiac intervention naïve (Group-A), post-roof line ablation (Group-B), post-atrial fibrillation ablation without linear ablation (Group-C), and post-cardiac surgery (Group-D), respectively. The mean AT cycle length was 244 ± 43 ms. Coronary sinus activation was proximal-to-distal or distal-to-proximal in 16 (72.7%) ATs. The activation map revealed 13 (59.1%) clockwise and 9 (40.9%) counter-clockwise LARTs. A 12-lead synchronous isoelectric interval was observed in 10/19 (52.6%) LARTs. The slow conduction area was identified on the LA roof, anterior/septal wall, and posterior wall in 18, 6, and 2 ATs, respectively. Twenty concomitant ATs among 13 procedures were also eliminated, and peri-mitral AT coexisted in 7 of 9 non-group-B patients. In group-B, the conduction gap was predominantly located on the mid-roof. Sustained LARTs were terminated by a single application and linear ablation in 6 (27.3%) and 9 (40.9%), while converting to other ATs in 7 (31.8%) LARTs. Complete linear block was created without any complications in all, however, ablation at the mid-posterior wall was required to achieve block in 4 (18.2%) procedures. During 14.0 (6.5–28.5) months of follow-up, 17 (81.0%) and 19 (90.5%) patients were free from any atrial tachyarrhythmias after single and last procedures. Conclusions The LART mechanisms were distinct in individual patients, and elimination of all concomitant ATs was required for the management. Atrial tachycardia Roof line Ultra-high resolution mapping Catheter ablation Diseases of the circulatory (Cardiovascular) system Kanae Hasegawa verfasserin aut Kazuya Yamao verfasserin aut Eri Ishikawa verfasserin aut Moe Mukai verfasserin aut Daisetsu Aoyama verfasserin aut Minoru Nodera verfasserin aut Junya Yamaguchi verfasserin aut Yuichiro Shiomi verfasserin aut Naoto Tama verfasserin aut Hiroyuki Ikeda verfasserin aut Yoshitomo Fukuoka verfasserin aut Kentaro Ishida verfasserin aut Hiroyasu Uzui verfasserin aut Yoshito Iesaka verfasserin aut Hiroshi Tada verfasserin aut In BMC Cardiovascular Disorders BMC, 2003 22(2022), 1, Seite 12 (DE-627)335488870 (DE-600)2059859-2 14712261 nnns volume:22 year:2022 number:1 pages:12 https://doi.org/10.1186/s12872-022-02505-z kostenfrei https://doaj.org/article/7faf2967476d40ba88bf5bf2b77f88bf kostenfrei https://doi.org/10.1186/s12872-022-02505-z kostenfrei https://doaj.org/toc/1471-2261 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 22 2022 1 12 |
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10.1186/s12872-022-02505-z doi (DE-627)DOAJ017491762 (DE-599)DOAJ7faf2967476d40ba88bf5bf2b77f88bf DE-627 ger DE-627 rakwb eng RC666-701 Shinsuke Miyazaki verfasserin aut Mapping and ablation of left atrial roof-dependent tachycardias using an ultra-high resolution mapping system 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background Left atrial roof-dependent tachycardias (LARTs) are common macroreentrant atrial tachycardias (ATs). We sought to characterize clinical LARTs using an ultra-high resolution mapping system. Methods This study included 22 consecutive LARTs in 21 patients who underwent AT mapping/ablation using Rhythmia systems. Results Three, 13, 4, and 2 LART patients were cardiac intervention naïve (Group-A), post-roof line ablation (Group-B), post-atrial fibrillation ablation without linear ablation (Group-C), and post-cardiac surgery (Group-D), respectively. The mean AT cycle length was 244 ± 43 ms. Coronary sinus activation was proximal-to-distal or distal-to-proximal in 16 (72.7%) ATs. The activation map revealed 13 (59.1%) clockwise and 9 (40.9%) counter-clockwise LARTs. A 12-lead synchronous isoelectric interval was observed in 10/19 (52.6%) LARTs. The slow conduction area was identified on the LA roof, anterior/septal wall, and posterior wall in 18, 6, and 2 ATs, respectively. Twenty concomitant ATs among 13 procedures were also eliminated, and peri-mitral AT coexisted in 7 of 9 non-group-B patients. In group-B, the conduction gap was predominantly located on the mid-roof. Sustained LARTs were terminated by a single application and linear ablation in 6 (27.3%) and 9 (40.9%), while converting to other ATs in 7 (31.8%) LARTs. Complete linear block was created without any complications in all, however, ablation at the mid-posterior wall was required to achieve block in 4 (18.2%) procedures. During 14.0 (6.5–28.5) months of follow-up, 17 (81.0%) and 19 (90.5%) patients were free from any atrial tachyarrhythmias after single and last procedures. Conclusions The LART mechanisms were distinct in individual patients, and elimination of all concomitant ATs was required for the management. Atrial tachycardia Roof line Ultra-high resolution mapping Catheter ablation Diseases of the circulatory (Cardiovascular) system Kanae Hasegawa verfasserin aut Kazuya Yamao verfasserin aut Eri Ishikawa verfasserin aut Moe Mukai verfasserin aut Daisetsu Aoyama verfasserin aut Minoru Nodera verfasserin aut Junya Yamaguchi verfasserin aut Yuichiro Shiomi verfasserin aut Naoto Tama verfasserin aut Hiroyuki Ikeda verfasserin aut Yoshitomo Fukuoka verfasserin aut Kentaro Ishida verfasserin aut Hiroyasu Uzui verfasserin aut Yoshito Iesaka verfasserin aut Hiroshi Tada verfasserin aut In BMC Cardiovascular Disorders BMC, 2003 22(2022), 1, Seite 12 (DE-627)335488870 (DE-600)2059859-2 14712261 nnns volume:22 year:2022 number:1 pages:12 https://doi.org/10.1186/s12872-022-02505-z kostenfrei https://doaj.org/article/7faf2967476d40ba88bf5bf2b77f88bf kostenfrei https://doi.org/10.1186/s12872-022-02505-z kostenfrei https://doaj.org/toc/1471-2261 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 22 2022 1 12 |
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10.1186/s12872-022-02505-z doi (DE-627)DOAJ017491762 (DE-599)DOAJ7faf2967476d40ba88bf5bf2b77f88bf DE-627 ger DE-627 rakwb eng RC666-701 Shinsuke Miyazaki verfasserin aut Mapping and ablation of left atrial roof-dependent tachycardias using an ultra-high resolution mapping system 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background Left atrial roof-dependent tachycardias (LARTs) are common macroreentrant atrial tachycardias (ATs). We sought to characterize clinical LARTs using an ultra-high resolution mapping system. Methods This study included 22 consecutive LARTs in 21 patients who underwent AT mapping/ablation using Rhythmia systems. Results Three, 13, 4, and 2 LART patients were cardiac intervention naïve (Group-A), post-roof line ablation (Group-B), post-atrial fibrillation ablation without linear ablation (Group-C), and post-cardiac surgery (Group-D), respectively. The mean AT cycle length was 244 ± 43 ms. Coronary sinus activation was proximal-to-distal or distal-to-proximal in 16 (72.7%) ATs. The activation map revealed 13 (59.1%) clockwise and 9 (40.9%) counter-clockwise LARTs. A 12-lead synchronous isoelectric interval was observed in 10/19 (52.6%) LARTs. The slow conduction area was identified on the LA roof, anterior/septal wall, and posterior wall in 18, 6, and 2 ATs, respectively. Twenty concomitant ATs among 13 procedures were also eliminated, and peri-mitral AT coexisted in 7 of 9 non-group-B patients. In group-B, the conduction gap was predominantly located on the mid-roof. Sustained LARTs were terminated by a single application and linear ablation in 6 (27.3%) and 9 (40.9%), while converting to other ATs in 7 (31.8%) LARTs. Complete linear block was created without any complications in all, however, ablation at the mid-posterior wall was required to achieve block in 4 (18.2%) procedures. During 14.0 (6.5–28.5) months of follow-up, 17 (81.0%) and 19 (90.5%) patients were free from any atrial tachyarrhythmias after single and last procedures. Conclusions The LART mechanisms were distinct in individual patients, and elimination of all concomitant ATs was required for the management. Atrial tachycardia Roof line Ultra-high resolution mapping Catheter ablation Diseases of the circulatory (Cardiovascular) system Kanae Hasegawa verfasserin aut Kazuya Yamao verfasserin aut Eri Ishikawa verfasserin aut Moe Mukai verfasserin aut Daisetsu Aoyama verfasserin aut Minoru Nodera verfasserin aut Junya Yamaguchi verfasserin aut Yuichiro Shiomi verfasserin aut Naoto Tama verfasserin aut Hiroyuki Ikeda verfasserin aut Yoshitomo Fukuoka verfasserin aut Kentaro Ishida verfasserin aut Hiroyasu Uzui verfasserin aut Yoshito Iesaka verfasserin aut Hiroshi Tada verfasserin aut In BMC Cardiovascular Disorders BMC, 2003 22(2022), 1, Seite 12 (DE-627)335488870 (DE-600)2059859-2 14712261 nnns volume:22 year:2022 number:1 pages:12 https://doi.org/10.1186/s12872-022-02505-z kostenfrei https://doaj.org/article/7faf2967476d40ba88bf5bf2b77f88bf kostenfrei https://doi.org/10.1186/s12872-022-02505-z kostenfrei https://doaj.org/toc/1471-2261 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 22 2022 1 12 |
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10.1186/s12872-022-02505-z doi (DE-627)DOAJ017491762 (DE-599)DOAJ7faf2967476d40ba88bf5bf2b77f88bf DE-627 ger DE-627 rakwb eng RC666-701 Shinsuke Miyazaki verfasserin aut Mapping and ablation of left atrial roof-dependent tachycardias using an ultra-high resolution mapping system 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background Left atrial roof-dependent tachycardias (LARTs) are common macroreentrant atrial tachycardias (ATs). We sought to characterize clinical LARTs using an ultra-high resolution mapping system. Methods This study included 22 consecutive LARTs in 21 patients who underwent AT mapping/ablation using Rhythmia systems. Results Three, 13, 4, and 2 LART patients were cardiac intervention naïve (Group-A), post-roof line ablation (Group-B), post-atrial fibrillation ablation without linear ablation (Group-C), and post-cardiac surgery (Group-D), respectively. The mean AT cycle length was 244 ± 43 ms. Coronary sinus activation was proximal-to-distal or distal-to-proximal in 16 (72.7%) ATs. The activation map revealed 13 (59.1%) clockwise and 9 (40.9%) counter-clockwise LARTs. A 12-lead synchronous isoelectric interval was observed in 10/19 (52.6%) LARTs. The slow conduction area was identified on the LA roof, anterior/septal wall, and posterior wall in 18, 6, and 2 ATs, respectively. Twenty concomitant ATs among 13 procedures were also eliminated, and peri-mitral AT coexisted in 7 of 9 non-group-B patients. In group-B, the conduction gap was predominantly located on the mid-roof. Sustained LARTs were terminated by a single application and linear ablation in 6 (27.3%) and 9 (40.9%), while converting to other ATs in 7 (31.8%) LARTs. Complete linear block was created without any complications in all, however, ablation at the mid-posterior wall was required to achieve block in 4 (18.2%) procedures. During 14.0 (6.5–28.5) months of follow-up, 17 (81.0%) and 19 (90.5%) patients were free from any atrial tachyarrhythmias after single and last procedures. Conclusions The LART mechanisms were distinct in individual patients, and elimination of all concomitant ATs was required for the management. Atrial tachycardia Roof line Ultra-high resolution mapping Catheter ablation Diseases of the circulatory (Cardiovascular) system Kanae Hasegawa verfasserin aut Kazuya Yamao verfasserin aut Eri Ishikawa verfasserin aut Moe Mukai verfasserin aut Daisetsu Aoyama verfasserin aut Minoru Nodera verfasserin aut Junya Yamaguchi verfasserin aut Yuichiro Shiomi verfasserin aut Naoto Tama verfasserin aut Hiroyuki Ikeda verfasserin aut Yoshitomo Fukuoka verfasserin aut Kentaro Ishida verfasserin aut Hiroyasu Uzui verfasserin aut Yoshito Iesaka verfasserin aut Hiroshi Tada verfasserin aut In BMC Cardiovascular Disorders BMC, 2003 22(2022), 1, Seite 12 (DE-627)335488870 (DE-600)2059859-2 14712261 nnns volume:22 year:2022 number:1 pages:12 https://doi.org/10.1186/s12872-022-02505-z kostenfrei https://doaj.org/article/7faf2967476d40ba88bf5bf2b77f88bf kostenfrei https://doi.org/10.1186/s12872-022-02505-z kostenfrei https://doaj.org/toc/1471-2261 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 22 2022 1 12 |
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10.1186/s12872-022-02505-z doi (DE-627)DOAJ017491762 (DE-599)DOAJ7faf2967476d40ba88bf5bf2b77f88bf DE-627 ger DE-627 rakwb eng RC666-701 Shinsuke Miyazaki verfasserin aut Mapping and ablation of left atrial roof-dependent tachycardias using an ultra-high resolution mapping system 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Background Left atrial roof-dependent tachycardias (LARTs) are common macroreentrant atrial tachycardias (ATs). We sought to characterize clinical LARTs using an ultra-high resolution mapping system. Methods This study included 22 consecutive LARTs in 21 patients who underwent AT mapping/ablation using Rhythmia systems. Results Three, 13, 4, and 2 LART patients were cardiac intervention naïve (Group-A), post-roof line ablation (Group-B), post-atrial fibrillation ablation without linear ablation (Group-C), and post-cardiac surgery (Group-D), respectively. The mean AT cycle length was 244 ± 43 ms. Coronary sinus activation was proximal-to-distal or distal-to-proximal in 16 (72.7%) ATs. The activation map revealed 13 (59.1%) clockwise and 9 (40.9%) counter-clockwise LARTs. A 12-lead synchronous isoelectric interval was observed in 10/19 (52.6%) LARTs. The slow conduction area was identified on the LA roof, anterior/septal wall, and posterior wall in 18, 6, and 2 ATs, respectively. Twenty concomitant ATs among 13 procedures were also eliminated, and peri-mitral AT coexisted in 7 of 9 non-group-B patients. In group-B, the conduction gap was predominantly located on the mid-roof. Sustained LARTs were terminated by a single application and linear ablation in 6 (27.3%) and 9 (40.9%), while converting to other ATs in 7 (31.8%) LARTs. Complete linear block was created without any complications in all, however, ablation at the mid-posterior wall was required to achieve block in 4 (18.2%) procedures. During 14.0 (6.5–28.5) months of follow-up, 17 (81.0%) and 19 (90.5%) patients were free from any atrial tachyarrhythmias after single and last procedures. Conclusions The LART mechanisms were distinct in individual patients, and elimination of all concomitant ATs was required for the management. Atrial tachycardia Roof line Ultra-high resolution mapping Catheter ablation Diseases of the circulatory (Cardiovascular) system Kanae Hasegawa verfasserin aut Kazuya Yamao verfasserin aut Eri Ishikawa verfasserin aut Moe Mukai verfasserin aut Daisetsu Aoyama verfasserin aut Minoru Nodera verfasserin aut Junya Yamaguchi verfasserin aut Yuichiro Shiomi verfasserin aut Naoto Tama verfasserin aut Hiroyuki Ikeda verfasserin aut Yoshitomo Fukuoka verfasserin aut Kentaro Ishida verfasserin aut Hiroyasu Uzui verfasserin aut Yoshito Iesaka verfasserin aut Hiroshi Tada verfasserin aut In BMC Cardiovascular Disorders BMC, 2003 22(2022), 1, Seite 12 (DE-627)335488870 (DE-600)2059859-2 14712261 nnns volume:22 year:2022 number:1 pages:12 https://doi.org/10.1186/s12872-022-02505-z kostenfrei https://doaj.org/article/7faf2967476d40ba88bf5bf2b77f88bf kostenfrei https://doi.org/10.1186/s12872-022-02505-z kostenfrei https://doaj.org/toc/1471-2261 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 22 2022 1 12 |
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Shinsuke Miyazaki @@aut@@ Kanae Hasegawa @@aut@@ Kazuya Yamao @@aut@@ Eri Ishikawa @@aut@@ Moe Mukai @@aut@@ Daisetsu Aoyama @@aut@@ Minoru Nodera @@aut@@ Junya Yamaguchi @@aut@@ Yuichiro Shiomi @@aut@@ Naoto Tama @@aut@@ Hiroyuki Ikeda @@aut@@ Yoshitomo Fukuoka @@aut@@ Kentaro Ishida @@aut@@ Hiroyasu Uzui @@aut@@ Yoshito Iesaka @@aut@@ Hiroshi Tada @@aut@@ |
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BMC Cardiovascular Disorders |
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Shinsuke Miyazaki Kanae Hasegawa Kazuya Yamao Eri Ishikawa Moe Mukai Daisetsu Aoyama Minoru Nodera Junya Yamaguchi Yuichiro Shiomi Naoto Tama Hiroyuki Ikeda Yoshitomo Fukuoka Kentaro Ishida Hiroyasu Uzui Yoshito Iesaka Hiroshi Tada |
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Elektronische Aufsätze |
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Shinsuke Miyazaki |
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mapping and ablation of left atrial roof-dependent tachycardias using an ultra-high resolution mapping system |
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RC666-701 |
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Mapping and ablation of left atrial roof-dependent tachycardias using an ultra-high resolution mapping system |
abstract |
Abstract Background Left atrial roof-dependent tachycardias (LARTs) are common macroreentrant atrial tachycardias (ATs). We sought to characterize clinical LARTs using an ultra-high resolution mapping system. Methods This study included 22 consecutive LARTs in 21 patients who underwent AT mapping/ablation using Rhythmia systems. Results Three, 13, 4, and 2 LART patients were cardiac intervention naïve (Group-A), post-roof line ablation (Group-B), post-atrial fibrillation ablation without linear ablation (Group-C), and post-cardiac surgery (Group-D), respectively. The mean AT cycle length was 244 ± 43 ms. Coronary sinus activation was proximal-to-distal or distal-to-proximal in 16 (72.7%) ATs. The activation map revealed 13 (59.1%) clockwise and 9 (40.9%) counter-clockwise LARTs. A 12-lead synchronous isoelectric interval was observed in 10/19 (52.6%) LARTs. The slow conduction area was identified on the LA roof, anterior/septal wall, and posterior wall in 18, 6, and 2 ATs, respectively. Twenty concomitant ATs among 13 procedures were also eliminated, and peri-mitral AT coexisted in 7 of 9 non-group-B patients. In group-B, the conduction gap was predominantly located on the mid-roof. Sustained LARTs were terminated by a single application and linear ablation in 6 (27.3%) and 9 (40.9%), while converting to other ATs in 7 (31.8%) LARTs. Complete linear block was created without any complications in all, however, ablation at the mid-posterior wall was required to achieve block in 4 (18.2%) procedures. During 14.0 (6.5–28.5) months of follow-up, 17 (81.0%) and 19 (90.5%) patients were free from any atrial tachyarrhythmias after single and last procedures. Conclusions The LART mechanisms were distinct in individual patients, and elimination of all concomitant ATs was required for the management. |
abstractGer |
Abstract Background Left atrial roof-dependent tachycardias (LARTs) are common macroreentrant atrial tachycardias (ATs). We sought to characterize clinical LARTs using an ultra-high resolution mapping system. Methods This study included 22 consecutive LARTs in 21 patients who underwent AT mapping/ablation using Rhythmia systems. Results Three, 13, 4, and 2 LART patients were cardiac intervention naïve (Group-A), post-roof line ablation (Group-B), post-atrial fibrillation ablation without linear ablation (Group-C), and post-cardiac surgery (Group-D), respectively. The mean AT cycle length was 244 ± 43 ms. Coronary sinus activation was proximal-to-distal or distal-to-proximal in 16 (72.7%) ATs. The activation map revealed 13 (59.1%) clockwise and 9 (40.9%) counter-clockwise LARTs. A 12-lead synchronous isoelectric interval was observed in 10/19 (52.6%) LARTs. The slow conduction area was identified on the LA roof, anterior/septal wall, and posterior wall in 18, 6, and 2 ATs, respectively. Twenty concomitant ATs among 13 procedures were also eliminated, and peri-mitral AT coexisted in 7 of 9 non-group-B patients. In group-B, the conduction gap was predominantly located on the mid-roof. Sustained LARTs were terminated by a single application and linear ablation in 6 (27.3%) and 9 (40.9%), while converting to other ATs in 7 (31.8%) LARTs. Complete linear block was created without any complications in all, however, ablation at the mid-posterior wall was required to achieve block in 4 (18.2%) procedures. During 14.0 (6.5–28.5) months of follow-up, 17 (81.0%) and 19 (90.5%) patients were free from any atrial tachyarrhythmias after single and last procedures. Conclusions The LART mechanisms were distinct in individual patients, and elimination of all concomitant ATs was required for the management. |
abstract_unstemmed |
Abstract Background Left atrial roof-dependent tachycardias (LARTs) are common macroreentrant atrial tachycardias (ATs). We sought to characterize clinical LARTs using an ultra-high resolution mapping system. Methods This study included 22 consecutive LARTs in 21 patients who underwent AT mapping/ablation using Rhythmia systems. Results Three, 13, 4, and 2 LART patients were cardiac intervention naïve (Group-A), post-roof line ablation (Group-B), post-atrial fibrillation ablation without linear ablation (Group-C), and post-cardiac surgery (Group-D), respectively. The mean AT cycle length was 244 ± 43 ms. Coronary sinus activation was proximal-to-distal or distal-to-proximal in 16 (72.7%) ATs. The activation map revealed 13 (59.1%) clockwise and 9 (40.9%) counter-clockwise LARTs. A 12-lead synchronous isoelectric interval was observed in 10/19 (52.6%) LARTs. The slow conduction area was identified on the LA roof, anterior/septal wall, and posterior wall in 18, 6, and 2 ATs, respectively. Twenty concomitant ATs among 13 procedures were also eliminated, and peri-mitral AT coexisted in 7 of 9 non-group-B patients. In group-B, the conduction gap was predominantly located on the mid-roof. Sustained LARTs were terminated by a single application and linear ablation in 6 (27.3%) and 9 (40.9%), while converting to other ATs in 7 (31.8%) LARTs. Complete linear block was created without any complications in all, however, ablation at the mid-posterior wall was required to achieve block in 4 (18.2%) procedures. During 14.0 (6.5–28.5) months of follow-up, 17 (81.0%) and 19 (90.5%) patients were free from any atrial tachyarrhythmias after single and last procedures. Conclusions The LART mechanisms were distinct in individual patients, and elimination of all concomitant ATs was required for the management. |
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title_short |
Mapping and ablation of left atrial roof-dependent tachycardias using an ultra-high resolution mapping system |
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https://doi.org/10.1186/s12872-022-02505-z https://doaj.org/article/7faf2967476d40ba88bf5bf2b77f88bf https://doaj.org/toc/1471-2261 |
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Kanae Hasegawa Kazuya Yamao Eri Ishikawa Moe Mukai Daisetsu Aoyama Minoru Nodera Junya Yamaguchi Yuichiro Shiomi Naoto Tama Hiroyuki Ikeda Yoshitomo Fukuoka Kentaro Ishida Hiroyasu Uzui Yoshito Iesaka Hiroshi Tada |
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Kanae Hasegawa Kazuya Yamao Eri Ishikawa Moe Mukai Daisetsu Aoyama Minoru Nodera Junya Yamaguchi Yuichiro Shiomi Naoto Tama Hiroyuki Ikeda Yoshitomo Fukuoka Kentaro Ishida Hiroyasu Uzui Yoshito Iesaka Hiroshi Tada |
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