著者

Bonpei Takase Takanori Ikeda Wataru Shimizu Haruhiko Abe Takeshi Aiba Masaomi Chinushi Shinji Koba Kengo Kusano Shinichi Niwano Naohiko Takahashi Seiji Takatsuki Kaoru Tanno Eiichi Watanabe Koichiro Yoshioka Mari Amino Tadashi Fujino Yu-ki Iwasaki Ritsuko Kohno Toshio Kinoshita Yasuo Kurita Nobuyuki Masaki Hiroshige Murata Tetsuji Shinohara Hirotaka Yada Kenji Yodogawa Takeshi Kimura Takashi Kurita Akihiko Nogami Naokata Sumitomo on behalf of the Japanese Circulation Society and Japanese Heart Rhythm Society Joint Working Group

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

pp.CJ-22-0827, (Released:2023-09-11)

参考文献数

738

被引用文献数

7

著者

Akihiko Nogami Takashi Kurita Haruhiko Abe Kenji Ando Toshiyuki Ishikawa Katsuhiko Imai Akihiko Usui Kaoru Okishige Kengo Kusano Koichiro Kumagai Masahiko Goya Yoshinori Kobayashi Akihiko Shimizu Wataru Shimizu Morio Shoda Naokata Sumitomo Yoshihiro Seo Atsushi Takahashi Hiroshi Tada Shigeto Naito Yuji Nakazato Takashi Nishimura Takashi Nitta Shinichi Niwano Nobuhisa Hagiwara Yuji Murakawa Teiichi Yamane Takeshi Aiba Koichi Inoue Yuki Iwasaki Yasuya Inden Kikuya Uno Michio Ogano Masaomi Kimura Shun-ichiro Sakamoto Shingo Sasaki Kazuhiro Satomi Tsuyoshi Shiga Tsugutoshi Suzuki Yukio Sekiguchi Kyoko Soejima Masahiko Takagi Masaomi Chinushi Nobuhiro Nishi Takashi Noda Hitoshi Hachiya Masataka Mitsuno Takeshi Mitsuhashi Yasushi Miyauchi Aya Miyazaki Tomoshige Morimoto Hiro Yamasaki Yoshifusa Aizawa Tohru Ohe Takeshi Kimura Kazuo Tanemoto Hiroyuki Tsutsui Hideo Mitamura on behalf of the JCS/JHRS Joint Working Group

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

pp.CJ-20-0637, (Released:2021-06-01)

参考文献数

1350

被引用文献数

75

著者

Akihiko Nogami Takashi Kurita Kengo Kusano Masahiko Goya Morio Shoda Hiroshi Tada Shigeto Naito Teiichi Yamane Masaomi Kimura Tsuyoshi Shiga Kyoko Soejima Takashi Noda Hiro Yamasaki Yoshifusa Aizawa Tohru Ohe Takeshi Kimura Shun Kohsaka Hideo Mitamura on behalf of the Japanese Circulation Society / the Japanese Heart Rhythm Society Joint Working Group

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

pp.CJ-21-0162, (Released:2022-01-06)

参考文献数

183

被引用文献数

21

著者

Akihiko Nogami Kyoko Soejima Itsuro Morishima Kenichi Hiroshima Ritsushi Kato Satoru Sakagami Fumiharu Miura Keisuke Okawa Tetsuya Kimura Takashi Inoue Atsushi Takita Kikuya Uno Koichiro Kumagai Takashi Kurita Masahiko Gosho Kazutaka Aonuma for the RYOUMA Investigators

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

pp.CJ-22-0290, (Released:2022-08-20)

参考文献数

41

被引用文献数

7

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Background: Optimal periprocedural oral anticoagulant (OAC) therapy before catheter ablation (CA) for atrial fibrillation (AF) and the safety profile of OAC discontinuation during the remote period (from 31 days and up to 1 year after CA) have not been well defined.Methods and Results: The RYOUMA registry is a prospective multicenter observational study of Japanese patients who underwent CA for AF in 2017–2018. Of the 3,072 patients, 82.3% received minimally interrupted direct-acting OACs (DOACs) and 10.2% received uninterrupted DOACs. Both uninterrupted and minimally interrupted DOACs were associated with an extremely low thromboembolic event rate. Female, long-standing persistent AF, low creatinine clearance, hepatic disorder, and high intraprocedural heparin dose were independent factors associated with periprocedural major bleeding. At 1 year after CA, DOAC was continued in 55.9% of patients and warfarin in 56.4%. The incidence of thromboembolic and major bleeding events for 1 year was 0.3% and 1.2%, respectively. Age ≥73 years, dementia, and AF recurrence were independently associated with major bleeding events. Univariate analyses revealed that warfarin continuation and off-label overdose of DOACs were risk factors for major bleeding after CA.Conclusions: High intraprocedural dose of heparin was associated with periprocedural major bleeding events. At 1 year after CA, over half of the patients had continued OAC therapy. Thromboembolic events were extremely low; however, major bleeding occurred in 1.2%. Age ≥73 years, dementia, and AF recurrence were independently associated with major bleeding after CA.

著者

Masakazu Yamagishi Nagara Tamaki Takashi Akasaka Takanori Ikeda Kenji Ueshima Shiro Uemura Yutaka Otsuji Yasuki Kihara Kazuo Kimura Takeshi Kimura Yoshiki Kusama Shinichiro Kumita Hajime Sakuma Masahiro Jinzaki Hiroyuki Daida Yasuchika Takeishi Hiroshi Tada Taishiro Chikamori Kenichi Tsujita Kunihiko Teraoka Kenichi Nakajima Tomoaki Nakata Satoshi Nakatani Akihiko Nogami Koichi Node Atsushi Nohara Atsushi Hirayama Nobusada Funabashi Masaru Miura Teruhito Mochizuki Hiroyoshi Yokoi Kunihiro Yoshioka Masafumi Watanabe Toshihiko Asanuma Yuichi Ishikawa Takahiro Ohara Koichi Kaikita Tokuo Kasai Eri Kato Hiroshi Kamiyama Masaaki Kawashiri Keisuke Kiso Kakuya Kitagawa Teruhito Kido Toshio Kinoshita Tomonari Kiriyama Teruyoshi Kume Akira Kurata Satoshi Kurisu Masami Kosuge Eitaro Kodani Akira Sato Yasutsugu Shiono Hiroki Shiomi Junichi Taki Masaaki Takeuchi Atsushi Tanaka Nobuhiro Tanaka Ryoichi Tanaka Takuya Nakahashi Takehiro Nakahara Akihiro Nomura Akiyoshi Hashimoto Kenshi Hayashi Masahiro Higashi Takafumi Hiro Daisuke Fukamachi Hitoshi Matsuo Naoya Matsumoto Katsumi Miyauchi Masao Miyagawa Yoshitake Yamada Keiichiro Yoshinaga Hideki Wada Tetsu Watanabe Yukio Ozaki Shun Kohsaka Wataru Shimizu Satoshi Yasuda Hideaki Yoshino on behalf of the Japanese Circulation Society Working Group

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

pp.CJ-19-1131, (Released:2021-02-16)

参考文献数

1401

被引用文献数

50

著者

Ken Okumura Kazuo Matsumoto Yoshinori Kobayashi Akihiko Nogami Robert B Hokanson Fred Kueffer for the CRYO-Japan PMS Study Investigators

出版者

日本循環器学会

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

pp.CJ-16-0285, (Released:2016-06-30)

参考文献数

17

被引用文献数

2 31

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Background:Outcomes of cryoballoon ablation for paroxysmal atrial fibrillation (PAF) have been reported in the Western countries but not in Japan. The CRYO-Japan PMS study was a single-arm, observational, multicenter, prospective study of the 2nd-generation cryoballoon Arctic Front AdvanceTM. We evaluated device- and procedure-related complications and clinical outcomes at 6 months.Methods and Results:The 616 patients (male, 72%; mean age, 63±11 years) were enrolled from 33 Japanese hospitals. Of all patients, 610 had PAF, and procedural data were analyzed in 607. A subset of 328 patients was followed for 6 months for the primary efficacy analysis. AF recurrence outside the 3-month blanking period or repeat ablation was considered treatment failure. Pulmonary vein isolation was achieved in 606/607 patients (99.8%); 1 patient (0.3%) had a repeat ablation during the blanking period. Freedom from AF at 6 months was 88.4% (95% CI: 84.1–91.6%). Device- and/or procedure-related adverse events included phrenic nerve injury unresolved at hospital discharge in 9/616 patients (1.5%), which resolved within 6 months in 7, pericardial effusion in 5/616 (0.8%), and tamponade in 4/616 (0.6%). One non-device-related death from pneumonia was reported 6 days post-procedure.Conclusions:Cryoballoon ablation is safe and effective for Japanese PAF patients, with 88.4% AF freedom at 6 months post-ablation.

著者

Hiroshi Tada Sachiko Ito Shigeto Naito Kenji Kurosaki Marehiko Ueda Goro Shinbo Hiroshi Hoshizaki Shigeru Oshima Akihiko Nogami Koichi Taniguchi

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

vol.68, no.10, pp.909-914, 2004 (Released:2004-09-25)

参考文献数

17

被引用文献数

32 44

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Background The prevalence and ECG characteristics of idiopathic ventricular arrhythmia originating in the free wall of the right ventricular outflow tract (RVOT) require further clarification, which was the aim of the present study of 110 patients with idiopathic ventricular tachycardia (n=34) or premature ventricular contraction (n=76; OT-VT/PVC) who underwent successful catheter ablation at the RVOT. Methods and Results Ten OT-VT/PVCs (9%) were ablated successfully at the free wall (FW-VT/PVC); the remaining 100 (91%) were ablated at the RVOT septum (Sep-VT/PVC). R wave amplitudes in the inferior leads were significantly smaller in FW-VT/PVC than in Sep-VT/PVC (p<0.01). An RR' pattern in the inferior leads was observed significantly more often in FW-VT/PVC than in Sep-VT/PVC (p<0.001). QS-wave amplitude in each of leads V1 to V3 was significantly deeper in FW-VT/PVC than in Sep-VT/PVC (p<0.001). ECG criteria requiring an RR' pattern in all inferior leads as well as an S-wave amplitude of at least 3.0 mV in lead V2 differentiated FW-VT/PVC from Sep-VT/PVC with high sensitivity, specificity, and predictive accuracy. Conclusions Although FW-VT/PVC has a relatively low prevalence, it has several distinctive ECG characteristics and detailed ECG analysis can differentiate it from Sep-VT/PVC. (Circ J 2004; 68: 909 - 914)

著者

Kazutaka Aonuma Tsuyoshi Shiga Hirotsugu Atarashi Kosuke Doki Hirotoshi Echizen Nobuhisa Hagiwara Junichi Hasegawa Hideharu Hayashi Kenzo Hirao Fukiko Ichida Takanori Ikeda Yorinobu Maeda Naoki Matsumoto Toshiyuki Sakaeda Wataru Shimizu Mitsuru Sugawara Kyoichi Totsuka Yoshimasa Tsuchishita Kazuyuki Ueno Eiichi Watanabe Masayuki Hashiguchi Sumio Hirata Hidefumi Kasai Yoshiaki Matsumoto Akihiko Nogami Yukio Sekiguchi Tokuko Shinohara Atsushi Sugiyama Naokata Sumitomo Atsushi Suzuki Naohiko Takahashi Eiji Yukawa Masato Homma Minoru Horie Hiroshi Inoue Hiroshi Ito Takanori Miura Tohru Ohe Kimikazu Shinozaki Kazuhiko Tanaka on behalf of the Japanese Circulation Society and the Japanese Society of Therapeutic Drug Monitoring Joint Working Group

出版者

The Japanese Circulation Society

雑誌

Circulation Journal (ISSN:13469843)

巻号頁・発行日

vol.81, no.4, pp.581-612, 2017-03-24 (Released:2017-03-24)

参考文献数

185

被引用文献数

33

著者

Yoshiaki Kaneko Tadashi Nakajima Akihiko Nogami Yasuya Inden Tetsuya Asakawa Itsuro Morishima Akira Mizukami Takashi Iizuka Shuntaro Tamura Chihiro Ota Yasunori Kanzaki Kazuya Nakagawa Makoto Suzuki Masahiko Kurabayashi

出版者

The Japanese Circulation Society

雑誌

Circulation Reports (ISSN:24340790)

巻号頁・発行日

vol.1, no.2, pp.46-54, 2019-02-08 (Released:2019-02-08)

参考文献数

40

被引用文献数

4 4

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Background: The existence of atypical fast-slow (F/S) atrioventricular (AV) nodal reentrant tachycardias (NRT) using slow pathway (SP) variants connected to the right atrial (RA) inferolateral (inf) free wall (FW) along the tricuspid annulus (TA), has been neither confirmed nor precisely characterized. Methods and Results: We studied 7 patients (mean age, 48±16 years; 5 men) with F/S-AVNRT with long RP intervals and an earliest atrial activation at the RA inf-FW along the TA (inf-F/S-AVNRT). AV reentrant tachycardia was excluded on observation of the transition zone criteria in all 7 patients. Atrial tachycardia was excluded on the observation of a V-A-V activation sequence after the induction or entrainment of the tachycardia from the right ventricle in all. During the tachycardia, low-frequency, fractionated potentials (LP) preceding the local atrial electrogram were recorded near the site of the earliest atrial activation in 6 patients. Observations of conduction delay and block of the LP during ventricular entrainment or ablation of the tachycardia indicated that LP reflect retrograde activation via the inf-SP. Retrograde SP conduction was interrupted at the site of earliest atrial activation in 3 patients, and in the right posterior septum in 4 patients. Conclusions: inf-F/S-AVNRT are distinct supraventricular tachycardia incorporating an SP variant connected to the RA inf-FW along the TA in the retrograde direction, which were eliminated by ablation.