Patient Characteristics and Diagnosis of Transthyretin Amyloid Cardiomyopathy in Japan: Baseline Analysis of J-COSSA.
Jin Endo; Kazumasa Tanzawa; Yasunori Sato; Hiroshi Watanabe; Seiji Takashio; Toru Kubo; Masatoshi Minamisawa; Hidekazu Tanaka; Toru Hashimoto; Hiroaki Kawano; Konomi Sakata; Hiromitsu Kanamori; Toshihiro Tsuruda; Mitsuhiro Fukata; Toshiro Kitagawa; Takahisa Noma; Atsushi Okada; Takeshi Kitai; Ayumu Yajima; Mai Iwataki; Hidekazu Kondo; Yu Yamada; Shunsuke Ishii; Yasuhiro Izumiya; Masaki Ieda; Koichiro Kuwahara; Kazufumi Nakamura; Nobuhiro Tahara; Mitsuharu Ueda; Yoshiki Sekijima; Hironobu Naiki; Kenichi Tsujita; Hiroaki Kitaoka; Takayuki Inomata
JACC. Asia, 2026年04月, 査読あり, 招待無し

Left Atrial Plication for Left Ventricular Posterior Wall Bending With Atrial Functional Mitral Regurgitation.
Mai Iwataki; Yasuhisa Oishi; Hajime Miki; Takeshi Onoue; Yasufumi Nagata; Robert A Levine; Yutaka Otsuji; Yosuke Nishimura; Masaharu Kataoka
JACC. Case reports, 2026年02月, 査読あり, 招待無し
筆頭著者

Marked Improvements in Basal Interventricular Septal Hypertrophy After Aortic Root Replacement for Thoracic Aortic Aneurysm.
Mai Iwataki; Yoshiko Hayashida; Satoru Ota; Honami Bell Tatta; Akemi Nakazono; Yutaka Otsuji; Yasuhisa Oishi; Takatoshi Aoki; Yosuke Nishimura; Masaharu Kataoka
JACC. Case reports, 2025年03月, 査読あり, 招待無し
筆頭著者

Potential Effects of Mild Atrial Secondary Mitral Regurgitation in Patients With Isolated Atrial Fibrillation.
Jun Akashi; Mai Iwataki; Yosuke Nabeshima; Takeshi Onoue; Atsushi Hayashi; Tetsuo Tanaga; Shun Nishino; Toshiyuki Kimura; Mitsuhiro Yano; Nozomi Watanabe; Yuki Tsuda; Masaru Araki; Yoshisato Shibata; Yosuke Nishimura; Yutaka Otsuji; Masaharu Kataoka
Circulation. Cardiovascular imaging, 2024年03月, 査読あり, 招待無し

Survey results: status report on problems caused by sexual mismatch between sonographer and patient during echocardiography-a 2020 report of the Japanese Society of Echocardiography.
Mai Iwataki; Mitsushige Murata; Masashi Fujita; Hiroyuki Toide; Kazumi Akasaka; Takako Iino; Akiko Goda; Kohta Takei; Norihisa Toh; Yoko Miyasaka; Michiyo Yamano; Tomoko Ishizu; Satoshi Nakatani; Kazuhiro Yamamoto
Journal of echocardiography, 2023年06月, 査読あり, 招待無し
筆頭著者

Large discrepancy in optimal atrioventricular delay between sensed and paced atrial events in a pacemaker patient.
Yasunobu Yamagishi; Yasushi Oginosawa; Hajime Miki; Keishiro Yagyu; Taro Miyamoto; Keita Tsukahara; Mai Iwataki; Hisaharu Ohe; Ritsuko Kohno; Masaharu Kataoka
Pacing and clinical electrophysiology : PACE, 2022年03月, 査読あり, 招待無し

Discrepancy of Aortic Valve Area Measurements by Doppler vs. Biplane Stroke Volume Measurements and Utility of Combining the Different Areas in Aortic Valve Stenosis - The Asian Valve Registry.
Mai Iwataki; Yong-Jin Kim; Seung Woo Park; Lieng Hsi Ling; Cheuk-Man Yu; Hiroyuki Okura; Jong-Won Ha; Takeshi Hozumi; Hidekazu Tanaka; Chisato Izumi; Toshinori Yuasa; Jae-Kwan Song; Yutaka Otsuji; Dae-Won Sohn
Circulation journal : official journal of the Japanese Circulation Society, 2021年06月, 査読あり, 招待無し
筆頭著者

Novel noninvasive estimation of mixed venous oxygen saturation by echocardiography and expired gas analysis.
Takeshi Onoue; Mai Iwataki; Masaru Araki; Jun Akashi; Tetsuji Kitano; Yosuke Nabeshima; Soshi Hei; Yasufumi Nagata; Atsushi Hayashi; Yuki Tsuda; Shinjo Sonoda; Yoshihisa Fujino; Robert A Levine; Yutaka Otsuji
American journal of physiology. Heart and circulatory physiology, 2020年11月, 査読あり, 招待無し

Potential mechanism of left ventricular spherical remodeling: association of mitral valve complex-myocardium longitudinal tissue remodeling mismatch.
Yasufumi Nagata; Mai Iwataki; Yosuke Nabeshima; Soshi Hei; Takeshi Onoue; Atsushi Hayashi; Kyoko Otani; Yuki Tsuda; Masaru Araki; Dae-Hee Kim; Jae-Kwan Song; Akihiro Hayashida; Misako Toki; Toshinori Yuasa; Naoko Mizukami; Yosuke Nishimura; Robert A Levine; Yutaka Otsuji
American journal of physiology. Heart and circulatory physiology, 2020年09月, 査読あり, 招待無し

[A Case of Change from Normal-flow High-pressure Gradient Severe Aortic Stenosis to Paradoxical Low-flow Low-pressure Gradient Severe Aortic Stenosis].
Takeshi Onoue; Masaru Araki; Mai Iwataki; Atsushi Hayashi; Yutaka Otsuji
Journal of UOEH, 2020年, 査読あり, 招待無し

Relations of Augmented Systolic Annular Expansion and Leaflet/Papillary Muscle Dynamics in Late-Systolic Mitral Valve Prolapse Evaluated by Echocardiography with a Speckle Tracking Analysis.
Soshi Hei; Mai Iwataki; Jeong-Yoon Jang; Hiroshi Kuwaki; Shota Fukuda; Yun-Jeong Kim; Misako Toki; Takeshi Onoue; Atsushi Hayashi; Shun Nishino; Nozomi Watanabe; Akihiro Hayashida; Yuki Tsuda; Masaru Araki; Yosuke Nishimura; Jae-Kwan Song; Kiyoshi Yoshida; Robert A Levine; Yutaka Otsuji
International heart journal, 2020年

Prevention of serious air embolism during cryoballoon ablation; risk assessment of air intrusion into the sheath by catheter selection and change in intrathoracic pressure: An ex vivo study.
Keita Tsukahara; Yasushi Oginosawa; Yoshihisa Fujino; Hisaharu Ohe; Yasunobu Yamagishi; Mai Iwataki; Shinjo Sonoda; Ritsuko Kohno; Yutaka Otsuji; Haruhiko Abe
Journal of cardiovascular electrophysiology, 2019年12月, 査読あり, 招待無し

Insights into the mechanism of paradoxical low-flow, low-pressure gradient severe aortic stenosis: association with reduced O2 consumption by the whole body.
Takeshi Onoue; Mai Iwataki; Masaru Araki; Hideaki Itoh; Akihiro Isotani; Hiromi Umeda; Shota Fukuda; Yasufumi Nagata; Yuki Tsuda; Yoshihisa Fujino; Michiya Hanyu; Kenji Ando; Shinichi Shirai; Masaaki Takeuchi; Satoru Saeki; Robert A Levine; Yutaka Otsuji
American journal of physiology. Heart and circulatory physiology, 2019年04月, 査読あり, 招待無し

Possible mechanism of late systolic mitral valve prolapse: systolic superior shift of leaflets secondary to annular dilatation that causes papillary muscle traction.
Soshi Hei; Mai Iwataki; Jeong-Yoon Jang; Hiroshi Kuwaki; Keitaro Mahara; Shota Fukuda; Yun-Jeong Kim; Yosuke Nabeshima; Takeshi Onoue; Yasufumi Nagata; Shun Nishino; Nozomi Watanabe; Masaaki Takeuchi; Yosuke Nishimura; Jae-Kwan Song; Robert A Levine; Yutaka Otsuji
American journal of physiology. Heart and circulatory physiology, 2019年03月, 査読あり, 招待無し

Müller Maneuver as a Tool for Stress Echocardiography: Evaluation of Exercise Capacity in Patients With Dilated Cardiomyopathy.
Takeshi Onoue; Shota Fukuda; Atsushi Hayashi; Soshi Hei; Yuichiro Kado; Yasufumi Nagata; Mai Iwataki; Ritsuko Kohno; Kyoko Otani; Tetsu Miyamoto; Yasushi Oginosawa; Masaru Araki; Shinjo Sonoda; Masaaki Takeuchi; Haruhiko Abe; Yutaka Otsuji
JACC. Cardiovascular imaging, 2018年07月, 査読あり, 招待無し

Left Atrial Remodeling in Segmental vs. Global Mitral Valve Prolapse - Three-Dimensional Echocardiography.
Atsushi Hayashi; Shota Fukuda; Keitaro Mahara; Soshi Hei; Takeshi Onoue; Yuichiro Kado; Yasufumi Nagata; Mai Iwataki; Kyoko Otani; Tetsu Miyamoto; Yasushi Oginosawa; Shinjo Sonoda; Masataka Eto; Yosuke Nishimura; Shuichiro Takanashi; Robert A Levine; Yutaka Otsuji
Circulation journal : official journal of the Japanese Circulation Society, 2016年11月, 査読あり, 招待無し

Different characteristics of heart failure due to pump failure and bradyarrhythmia.
Mai Iwataki; Yun-Jeong Kim; Byung-Joo Sun; Jeong-Yoon Jang; Masaaki Takeuchi; Shota Fukuda; Kyoko Otani; Hidetoshi Yoshitani; Hisaharu Ohe; Ritsuko Kohno; Yasushi Oginosawa; Haruhiko Abe; Robert A Levine; Jae-Kwan Song; Yutaka Otsuji
Journal of echocardiography, 2015年03月, 査読あり, 招待無し
筆頭著者

Redefining diastolic dysfunction grading: combination of E/A ≤0.75 and deceleration time >140 ms and E/ε' ≥10.
Hiroshi Kuwaki; Masaaki Takeuchi; Victor Chien-Chia Wu; Kyoko Otani; Yasufumi Nagata; Atsushi Hayashi; Mai Iwataki; Shota Fukuda; Hidetoshi Yoshitani; Haruhiko Abe; Yutaka Otsuji
JACC. Cardiovascular imaging, 2014年08月, 査読あり, 招待無し

Calcific extension towards the mitral valve causes non-rheumatic mitral stenosis in degenerative aortic stenosis: real-time 3D transoesophageal echocardiography study.
Mai Iwataki; Masaaki Takeuchi; Kyoko Otani; Hiroshi Kuwaki; Hidetoshi Yoshitani; Haruhiko Abe; Roberto M Lang; Robert A Levine; Yutaka Otsuji
Open heart, 2014年, 査読あり, 招待無し
筆頭著者

Prognostic value of LA volumes assessed by transthoracic 3D echocardiography: comparison with 2D echocardiography.
Victor Chien-Chia Wu; Masaaki Takeuchi; Hiroshi Kuwaki; Mai Iwataki; Yasufumi Nagata; Kyoko Otani; Nobuhiko Haruki; Hidetoshi Yoshitani; Masahito Tamura; Haruhiko Abe; Kazuaki Negishi; Fen-Chiung Lin; Yutaka Otsuji
JACC. Cardiovascular imaging, 2013年10月, 査読あり, 招待無し

【徹底解説　心臓腫瘍-見つけたらどうする?】僧帽弁輪石灰化とその関連腫瘤
岩瀧 麻衣
心エコー, 2022年06月, 査読あり, 指定なし
筆頭著者

シャント過剰血流を原因とする呼吸苦に対して内シャント閉鎖術を施行し運動負荷心臓超音波検査が病態の把握に有用と考えられた1例.
菅　亮太, 宮本　哲, 岩瀧麻衣,片岡雅晴.
日本透析医学会雑誌, 2024年09月, 査読あり, 指定なし

正常流量高圧較差重症大動脈弁狭窄症から奇異性低流量低圧較差重症大動脈弁狭窄症へと変化した1例
尾上 武志, 荒木 優, 岩瀧 麻衣, 林 篤志, 尾辻 豊
産業医科大学雑誌, 2020年09月, 査読あり, 指定なし

【急性膵炎-診療ガイドラインの改訂を受けて】 急性膵炎診療新ガイドライン　改訂の経緯と骨子
真弓 俊彦, 金澤 綾子, 岩瀧 麻衣, 大坪 広樹, 古屋 智規
臨床消化器内科, 2016年04月, 査読なし, 招待無し

混合静脈血酸素飽和度の非侵襲的測定法に関する検討
尾上 武志, 岩瀧 麻衣, 林 篤志, 赤司 純, 北野 哲司, 鍋嶋 洋裕, 屏 壮史, 竹内 正明, 尾辻 豊
超音波医学, 2021年04月, 査読あり, 指定なし

Insights into the mechanism of paradoxical low-flow low-pressure-gradient severe aortic stenosis: association with reduced oxygen consumption by the whole body
Takeshi Onoue, Mai Iwataki, Masaru Araki, Hideaki Itoh, Akihiro Isotani, Hiromi Umeda, Shota Fukuda, Yasufumi Nagata, Yuki Tsuda, Yoshihisa Fujino, Michiya Hanyu, Kenji Ando, Shinichi Shirai, Masaaki Takeuchi, Satoru Saeki, Robert Levine, Yutaka Otsuji
American journal of physiology Heart Circulation Physiology, 2019年04月, 査読あり, 指定なし

Novel noninvasive estimation of mixed venous oxygen saturation by echocardiography and expired gas analysis.
Onoue Takeshi, Iwataki Mai, Araki Masaru, Akashi Jun, Kitano Tetsuji, Nabeshima Yosuke, Hei Soshi, Nagata Yasufumi, Hayashi Atsushi, Tsuda Yuki, Sonoda Shinjo, Fujino Yoshihisa, Levine Robert A, Otsuji Yutaka
American journal of physiology. Heart and circulatory physiology, 2020年11月, 査読あり, 招待無し

Possible mechanism of late systolic mitral valve prolapse: systolic superior shift of leaflets secondary to annular dilatation that causes papillary muscle traction.
Hei Soshi, Iwataki Mai, Jang Jeong-Yoon, Kuwaki Hiroshi, Mahara Keitaro, Fukuda Shota, Kim Yun-Jeong, Nabeshima Yosuke, Onoue Takeshi, Nagata Yasufumi, Nishino Shun, Watanabe Nozomi, Takeuchi Masaaki, Nishimura Yosuke, Song Jae-Kwan, Levine Robert A, Otsuji Yutaka
American journal of physiology. Heart and circulatory physiology, 2019年03月, 査読あり, 指定なし

Potential effects of mild atrial secondary mitral regurgitation in isolated atrial fibrillation patients.
Akashi J, Iwataki M, Nabeshima Y, Onoue T, Hayashi A, Tanaga T, Nishino S, Kimura T, Yano M, Watanabe N, Tsuda Y, Araki M, Shibata Y, Nishimura Y, Otsuji Y, Kataoka.
Circ Cardiovasc Imaging, 2024年02月, 査読あり, 指定なし

Discrepancy of Aortic Valve Area Measurements by Doppler vs. Biplane Stroke Volume Measurements and Utility of Combining the Different Areas in Aortic Valve Stenosis_x000D_ ― The Asian Valve Registry ―
Mai Iwataki, Yong-Jin Kim, Seung Woo Park, Lieng Hsi Ling, Cheuk-Man Yu, Hiroyuki Okura, Jong-Won Ha, Takeshi Hozumi, Hidekazu Tanaka, Chisato Izumi, Toshinori Yuasa, Jae-Kwan Song, Yutaka Otsuji, Dae-Won Sohn.
Circ J, 2020年11月, 査読あり, 指定なし
筆頭著者

Left Atrial Remodeling in Segmental vs. Global Mitral Valve Prolapse　- Three-Dimensional Echocardiography.
Hayashi Atsushi, Fukuda Shota, Mahara Keitaro, Hei Soshi, Onoue Takeshi, Kado Yuichiro, Nagata Yasufumi, Iwataki Mai, Otani Kyoko, Miyamoto Tetsu, Oginosawa Yasushi, Sonoda Shinjo, Eto Masataka, Nishimura Yosuke, Takanashi Shuichiro, Levine Robert A, Otsuji Yutaka
Circulation journal : official journal of the Japanese Circulation Society, 2016年11月, 査読あり, 指定なし

Relations of Augmented Systolic Annular Expansion and Leaflet/Papillary Muscle Dynamics in Late-Systolic Mitral Valve Prolapse Evaluated by Echocardiography with a Speckle Tracking Analysis.
Soshi Hei, Mai Iwataki, Jeong-Yoon Jang, Hiroshi Kuwaki, Shota Fukuda, Yun-Jeong Kim, Misako Toki, Takeshi Onoue, Atsushi Hayashi, Shun Nishino, Nozomi Watanabe, Akihiro Hayashida, Yuki Tsuda, Masaru Araki, Yosuke Nishimura, Jae-Kwan Song, Kiyoshi Yoshida, Robert A. Levine and Yutaka Otsuji.
Int Heart J, 2020年11月, 査読あり, 指定なし

Survey results: status report on problems caused by sexual mismatch between sonographer and patient during echocardiography-a 2020 report of the Japanese Society of Echocardiography
Mai Iwataki, Mitsushige Murata , Masashi Fujita, Hiroyuki Toide, Kazumi Akasaka, Takako Iino, Akiko Goda , Kohta Takei, Norihisa Toh, Yoko Miyasaka, Michiyo Yamano, Tomoko Ishizu, Satoshi Nakatani, Kazuhiro Yamamoto
J Echocardiogr, 2022年10月, 査読あり, 指定なし
筆頭著者

A Case of Change from Normal-flow High-pressure gradient severe aortic stenosis to paradoxical low-flow low-pressure gradient severe aortic stenosis.
Onoue T, Araki M, Iwataki M, Hayashi A, Otsuji Y.
J UOEH, 2020年10月, 査読あり, 指定なし

Müller Maneuver as a Tool for Stress Echocardiography: Evaluation of Exercise Capacity in Patients With Dilated Cardiomyopathy.
Takeshi Onoue, Shota Fukuda, Atsushi Hayashi, Soshi Hei, Yuichiro Kado, Yasufumi Nagata, Mai Iwataki, Ritsuko Kohno, Kyoko Otani, Tetsu Miyamoto, Yasushi Oginosawa, Masaru Araki, Shinjo Sonoda, Masaaki Takeuchi, Haruhiko Abe and Yutaka Otsuji
JACC: Cardiovascular Imaging, 2018年07月, 査読あり, 指定なし

Large discrepancy in optimal atrioventricular delay between sensed and paced atrial events in a pacemaker patient.
Yamagishi Yasunobu, Oginosawa Yasushi, Miki Hajime, Yagyu Keishiro, Miyamoto Taro, Tsukahara Keita, Iwataki Mai, Ohe Hisaharu, Kohno Ritsuko, Kataoka Masaharu
Pacing and clinical electrophysiology : PACE, 2022年03月, 査読あり, 指定なし

Potential Effects of Mild Atrial Secondary Mitral Regurgitation in Patients With Isolated Atrial Fibrillation.
Akashi Jun, Iwataki Mai, Nabeshima Yosuke, Onoue Takeshi, Hayashi Atsushi, Tanaga Tetsuo, Nishino Shun, Kimura Toshiyuki, Yano Mitsuhiro, Watanabe Nozomi, Tsuda Yuki, Araki Masaru, Shibata Yoshisato, Nishimura Yosuke, Otsuji Yutaka, Kataoka Masaharu
Circulation. Cardiovascular imaging, 2024年03月, 査読あり, 指定なし