Faculty Profiles - MUTSUGA Masato

Papers - MUTSUGA Masato

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Surgery for anomalous papillary muscle directly into the anterior mitral leaflet. Reviewed International journal

Masato Mutsuga, Yoshiyuki Tokuda, Kazuro Fujimoto, Sachie Terazawa, Hideki Ito, Yuji Narita, Akihiko Usui

The Annals of thoracic surgery 2020.9

Publishing type：Research paper (scientific journal)

BACKGROUND: The anomalous insertion of papillary muscle directly into the anterior mitral leaflet is a rare congenital anomaly concomitant with hypertrophic cardiomyopathy. We herein report our surgical technique, which is designed to relieve left ventricular obstruction and preserve the mitral valve and sub-valvular apparatus. METHODS: Among 38 patients who underwent septal myectomy from 2007 to 2020, 4 had an anomalous mitral sub-valvular apparatus with papillary muscle with direct insertion into the anterior mitral leaflets. In all cases, mitral valve repair was accomplished with excision and reconstruction of all anomalous PMs, concomitant with septal myectomy. In other 34 patients, 20 cases needed mitral valve repair with regards to systolic anterior motion by hypertrophic cardiomyopathy. The comparison study was conducted between anomalous papillary muscle group (group A) and the others (group B). RESULTS: There was no early or late death in group A, three early death and two late death in group B. The mean peak gradient in the left ventricle was significantly decreased in both groups. Mitral valve regurgitation grade was also significantly decreased from 3 to 0.5 without valve replacement in group A, from 2 to 0.6 in group B. Six patients needed mitral valve replacement due to the thickness of anterior mitral leaflet in group B. CONCLUSIONS: Hypertrophic obstructive cardiomyopathy associated with the anomalous insertion of papillary muscle can be successfully treated without mitral valve replacement. Excision and reconstruction with the anomalous papillary muscle seems to be a feasible operation to reduce mitral regurgitation and relieve outflow tract obstruction.

DOI： 10.1016/j.athoracsur.2020.07.031

PubMed

Association between splenic volume and pulsatility index in patients with left ventricular assist devices

Hiraiwa Hiroaki, Okumura Takahiro, Sawamura Akinori, Kondo Toru, Kazama Shingo, Kimura Yuki, Shibata Naoki, Arao Yoshihito, Oishi Hideo, Kato Hiroo, Kuwayama Tasuku, Yamaguchi Shogo, Furusawa Kenji, Morimoto Ryota, Fujimoto Kazuro, Mutsuga Masato, Usui Akihiko, Murohara Toyoaki

INTERNATIONAL JOURNAL OF ARTIFICIAL ORGANS 2020.9

Efficacy of Plasma free Hemoglobin for detecting centrifugal pump thrombosis

Kuroda Taiyo, Mutsuga Masato, Yamada Masao, Yamakawa Masato, Yuhara Satoshi, Hasegawa Hiroki, Yokote Jun, Yokoyama Yukifusa, Yamada Tetsuya, Koyama Tomio, Usui Akihiko

PERFUSION-UK 2020.9

IMPELLAとVA-ECMOの併用により管理をし得た重症心不全の一症例

平岩宏章, 山本尚範, 尾崎将之, 沼口敦, 後藤縁, 奥村貴裕, 室原豊明, 六鹿雅登, 碓氷章彦, 松田直之

日本集中治療医学会雑誌 Vol. 27 ( Suppl. ) page： 720 - 720 2020.9

Bilateral versus single internal thoracic artery grafting in hemodialysis patients

Munakata Hisaaki, Tajima Kazuyoshi, Kato Wataru, Tanaka Keisuke, Tokuda Yoshiyuki, Mutsuga Masato, Usui Akihiko

GENERAL THORACIC AND CARDIOVASCULAR SURGERY Vol. 68 ( 8 ) page： 768 - 773 2020.8

Modified sutureless repair using left atrial appendage flap for acquired left-sided pulmonary vein stenosis

Ito Hideki, Mutsuga Masato, Tokuda Yoshiyuki, Usui Akihiko

EUROPEAN JOURNAL OF CARDIO-THORACIC SURGERY Vol. 58 ( 2 ) page： 395 - 397 2020.8

The incidence and risk factors of hypofibrinogenemia in cardiovascular surgery

Nishi Toshihiko, Mutsuga Masato, Akita Toshiaki, Narita Yuji, Fujimoto Kazuro, Tokuda Yoshiyuki, Terazawa Sachie, Ito Hideki, Nishiwaki Kimitoshi, Usui Akihiko

GENERAL THORACIC AND CARDIOVASCULAR SURGERY Vol. 68 ( 4 ) page： 335 - 341 2020.4

肺高血圧治療部門新規開設施設におけるCTEPHに対するPEA/BPA中期成績の検討

寺澤幸枝, 安藤太三, 足立史郎, 近藤隆久, 石田真一, 矢野大介, 秋田翔, 西俊彦, 芦田真一, 宗像寿祥, 内田亘, 松村泰基, 伊藤英樹, 徳田順之, 六鹿雅登, 藤本和朗, 成田裕司, 碓氷章彦

日本心臓血管外科学会学術総会抄録集 Vol. 50回 page： O11 - 3 2020.3

Pathological changes of the myocardium in reworsening of anthracycline-induced cardiomyopathy after explant of a left ventricular assist device

Hiraiwa Hiroaki, Okumura Takahiro, Shimizu Shinya, Arao Yoshihito, Oishi Hideo, Kato Hiroo, Kuwayama Tasuku, Yamaguchi Shogo, Haga Tomoaki, Yokoi Tsuyoshi, Kondo Toru, Sugiura Yuki, Kano Naoaki, Watanabe Naoki, Fukaya Kenji, Furusawa Kenji, Sawamura Akinori, Morimoto Ryota, Fujimoto Kazuro, Mutsuga Masato, Usui Akihiko, Murohara Toyoaki

NAGOYA JOURNAL OF MEDICAL SCIENCE Vol. 82 ( 1 ) page： 129 - 134 2020.2

Spinal cord injury following aortic arch replacement

Tokuda Yoshiyuki, Fujimoto Kazuro, Narita Yuji, Mutsuga Masato, Terazawa Sachie, Ito Hideki, Matsumura Yasumoto, Uchida Wataru, Munakata Hisaaki, Ashida Shinichi, Ono Tsukasa, Nishi Toshihiko, Yano Daisuke, Ishida Shinichi, Kuwabara Fumiaki, Akita Toshiaki, Usui Akihiko

SURGERY TODAY Vol. 50 ( 2 ) page： 106 - 113 2020.2

A Floating Stitch on the Anterior Mitral Leaflet Can Eliminate Systolic Anterior Motion in Hypertrophic Obstructive Cardiomyopathy

Mutsuga Masato, Narita Yuji, Usui Akihiko

SEMINARS IN THORACIC AND CARDIOVASCULAR SURGERY Vol. 32 ( 2 ) page： 266 - 268 2020

Total resection of an infected aortic arch aneurysm caused by Mycobacterium avium: a case report

Yagami Kei, Fujita Takashi, Ishida Shinichi, Mutsuga Masato

JOURNAL OF CARDIOTHORACIC SURGERY Vol. 14 ( 1 ) 2019.8

A functional evaluation of cerebral perfusion for coronary artery bypass grafting patients

Teramoto Chikao, Mutsuga Masato, Kawaguchi Osamu, Araki Yoshimori, Matsuda Joe, Usui Akihiko

HEART AND VESSELS Vol. 34 ( 7 ) page： 1122 - 1131 2019.7

Neurologic Deficit After Aortic Arch Replacement: The Influence of the Aortic Atherosclerosis

Tokuda Yoshiyuki, Narita Yuji, Fujimoto Kazuro, Mutsuga Masato, Terazawa Sachie, Ito Hideki, Uchida Wataru, Usui Akihiko

ANNALS OF THORACIC SURGERY Vol. 108 ( 1 ) page： 107 - 114 2019.7

The efficacy of immediate bridging thoracic endovascular aortic repair for ruptured infected thoracic aortic aneurysms

Ito Hideki, Mutsuga Masato, Oshima Hideki, Usui Akihiko

JOURNAL OF VASCULAR SURGERY CASES AND INNOVATIVE TECHNIQUES Vol. 5 ( 2 ) page： 152 - 155 2019.6

術前の神経筋電気刺激療法を併用した理学療法が有効であった植込型補助人工心臓装着術症例

服部慶子, 小林聖典, 羽賀智明, 六鹿雅登, 寺井千晶, 高木大地, 奥村貴裕, 碓氷章彦, 室原豊明

日本循環器学会学術集会抄録集 Vol. 83回 page： CP31 - 6 2019.3

Hemodynamics of cardiac tamponade during extracorporeal membrane oxygenation support in a patient with fulminant myocarditis Reviewed

Toru Kondo, Ryota Morimoto, Tsuyoshi Yokoi, Shogo Yamaguchi, Tasuku Kuwayama, Tomoaki Haga, Hiroaki Hiraiwa, Yuki Sugiura, Naoki Watanabe, Naoaki Kano, Takeo Ichii, Kenji Fukaya, Akinori Sawamura, Takahiro Okumura, Tomo Yoshizumi, Masato Mutsuga, Kazuro Fujimoto, Naoyuki Matsuda, Akihiko Usui, Toyoaki Murohara

Journal of Cardiology Cases Vol. 19 ( 1 ) page： 22 - 24 2019.1

Usefulness of lymphography and computed tomography for detecting the site of chyle leakage

Ito Hideki, Usui Akihiko, Uchida Wataru, Mutsuga Masato

INDIAN JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY Vol. 35 ( 1 ) page： 104 - 107 2019.1

Stem Cell Therapy for Aortic Aneurysm: Does the Administered Cell Type Influence the Therapeutic Effects? Reviewed

Yamawaki-Ogaka A, Fujimoto KL, Mutsuga M, Tokuda Y, Usui A, Narita Y

J Regen Med. Vol. 8 ( 1 ) 2019

Strategy of Cardiovascular Surgery for Patients With Dementia as Evaluated by Mini-Mental State Examination

Terazawa Sachie, Oshima Hideki, Narita Yuji, Fujimoto Kazuro, Mutsuga Masato, Tokuda Yoshiyuki, Yoshizumi Tomo, Ito Hideki, Uchida Wataru, Usui Akihiko

CIRCULATION JOURNAL Vol. 82 ( 12 ) page： 2998 - 3004 2018.12

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Papers - MUTSUGA Masato