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Okamura Takayuki

Affiliate Master Yamaguchi University

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We investigated the relationship between myocardial oxidative stress and cardiac sympathetic hyperactivity in patients with takotsubo cardiomyopathy (TC) compared with acute anteroseptal myocardial infarction (AMI). Methods: In 10 TC patients and 10 AMI patients, electrocardiogram, echocardiography, cardiac catheterization were conducted, and plasma catecholamines and urinary (U) 8-hydroxy-2’-deoxyguanosine (8-OHdG) as a marker of oxidative DNA damage were taken for one week from onset. Results: On admission, the coronary sinus (CS) had significantly higher norepinephrine (NE) and 8-OHdG levels than the aortic root (Ao) and peripheral blood vessels. Circulating catecholamines in TC patients tended to be higher than those in AMI patients
Cardiovascular Intervention and Therapeutics Volume 29 Issue 3 pp. 226 - 236
published_at 2014-08
Creators : Imai Masao Kimura Takeshi Morimoto Takeshi Saito Naritatsu Shiomi Hiroki Kawaguchi Ren Kan Hakuken Mukawa Hiroaki Fujita Hiroshi Ishise Takuo Hayashi Fujio Nagao Kazuya Take Shunsuke Taniguchi Hiromasa Sakamoto Hiroki Yamane Takafumi Shirota Kinya Tamekiyo Hiromichi Okamura Takayuki Kishi Koichi Miyazaki Shinichirou Yamamoto Satoshi Yamaji Kyohei Kawasaki Tomohiro Taguchi Eiji Nakajima Hitoshi Kosedo Ippei Tada Takeshi Kadota Kazushige Mitsudo Kazuaki Publishers : Springer Verlag
Circulation Journal Volume 78 Issue 3 pp. 772 - 774
published_at 2013
Creators : Tateishi Hiroki Okamura Takayuki Yamada Jutaro Nao Tomoko Maeda Takao Oda Takamasa Nakamura Takeshi Miura Toshiro Matsuzaki Masunori Yano Masafumi Publishers : Japanese Circulation Society
European journal of heart failure : journal of the Working Group on Heart Failure of the European Society of Cardiology Volume 13 Issue 1 pp. 29 - 36
published_at 2011-01
Creators : Kobayashi Shigeki Susa Takehisa Tanaka Takeo Wada Yasuaki Okuda Shinichi Doi Masahiro Nao Tomoko Yoshiga Yasuhiro Yamada Jutaro Okamura Takayuki Ueyama Takeshi Kawamura Syuji Yano Masafumi Matsuzaki Masunori Publishers : Elsevier | European Society of Cardiology