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Tomoaki Ohtsuka

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Kazuhisa Nishimura; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Hideki Okayama; Makoto Saito; Yuji Shigematsu; Takumi Sumimoto; Toyofumi Yoshii; Jun-ichi Funada; Go Hiasa; Shinji Inaba; Katsuji Inoue; Jitsuo Higaki
Usefulness of the MOSAIC (measurement of stenosis by aliasing coronary flow) method using transthoracic color Doppler echocardiography in unstable angina patients.
Makoto Saito; Yuji Shigematsu; Takumi Sumimoto; Toyofumi Yoshii; Shinji Inaba; Katsuji Inoue; Kazuhisa Nishimura; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Hideki Okayama; Jun-ichi Funada; Go Hiasa; Jitsuo Higaki
The differences in left ventricular torsional behavior between patients with hypertrophic cardiomyopathy and hypertensive heart disease.
Shinji Inaba; Hideki Okayama; Jun-ichi Funada; Hidetoshi Hashida; Go Hiasa; Takumi Sumimoto; Yasunori Takata; Kazuhisa Nishimura; Katsuji Inoue; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Jitsuo Higaki
Relationship between smaller calcifications and lipid-rich plaques on integrated backscatter-intravascular ultrasound.

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All Publications

2011: Kazuhisa Nishimura; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Hideki Okayama; Makoto Saito; Yuji Shigematsu; Takumi Sumimoto; Toyofumi Yoshii; Jun-ichi Funada; Go Hiasa; Shinji Inaba; Katsuji Inoue; Jitsuo Higaki
Usefulness of the MOSAIC (measurement of stenosis by aliasing coronary flow) method using transthoracic color Doppler echocardiography in unstable angina patients.
International journal of cardiology 2011;151(2):170-4.
2011: Makoto Saito; Yuji Shigematsu; Takumi Sumimoto; Toyofumi Yoshii; Shinji Inaba; Katsuji Inoue; Kazuhisa Nishimura; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Hideki Okayama; Jun-ichi Funada; Go Hiasa; Jitsuo Higaki
The differences in left ventricular torsional behavior between patients with hypertrophic cardiomyopathy and hypertensive heart disease.
International journal of cardiology 2011;150(3):301-6.
2010: Shinji Inaba; Hideki Okayama; Jun-ichi Funada; Hidetoshi Hashida; Go Hiasa; Takumi Sumimoto; Yasunori Takata; Kazuhisa Nishimura; Katsuji Inoue; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Jitsuo Higaki
Relationship between smaller calcifications and lipid-rich plaques on integrated backscatter-intravascular ultrasound.
International journal of cardiology 2010;145(2):347-8.
2010: Katsuji Inoue; Hideki Okayama; Kazuhisa Nishimura; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Makoto Saito; Go Hiasa; Toyofumi Yoshii; Takumi Sumimoto; Junichi Funada; Jitsuo Higaki
Right ventricular pacing from the septum avoids the acute exacerbation in left ventricular dyssynchrony and torsional behavior seen with pacing from the apex.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2010;23(2):195-200.
2010: Kazuhisa Nishimura; Hideki Okayama; Katsuji Inoue; Makoto Saito; Takayuki Nagai; Jun Suzuki; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Jitsuo Higaki
Visualization of traumatic tricuspid insufficiency by three-dimensional echocardiography.
Journal of cardiology 2010;55(1):143-6.
2009: Akiyoshi Ogimoto; Hideki Okayama; Takayuki Nagai; Tomoaki Ohtsuka; Jun Suzuki; Katsuji Inoue; Kazuhisa Nishimura; Yuji Shigematsu; Yasuharu Tabara; Katsuhiko Kohara; Tetsuro Miki; Jitsuo Higaki
Association of monocyte chemoattractant protein 1 gene polymorphism with susceptibility to nonfamilial idiopathic dilated cardiomyopathy.
Journal of cardiology 2009;54(1):66-70.
2009: Yuji Shigematsu; Sadako Norimatsu; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Hideki Okayama; Jitsuo Higaki
The influence of insulin resistance and obesity on left atrial size in Japanese hypertensive patients.
Hypertension research : official journal of the Japanese Society of Hypertension 2009;32(6):500-4.
2009: Takafumi Okura; Masanori Jotoku; Ken-ichi Miyoshi; Daijiro Enomoto; Mie Kurata; Jun Irita; Tomoaki Nagao; Tomoaki Ohtsuka; Jitsuo Higaki
Case of membranoproliferative glomerulonephritis due to essential cryoglobulinemia without hepatitis C virus infection.
Geriatrics & gerontology international 2009;9(1):92-6.
2009: M Saito; Hideki Okayama; K Nishimura; Akiyoshi Ogimoto; Tomoaki Ohtsuka; K Inoue; Go Hiasa; T Sumimoto; Jun-ichi Funada; Yuji Shigematsu; Jitsuo Higaki
Determinants of left ventricular untwisting behaviour in patients with dilated cardiomyopathy: analysis by two-dimensional speckle tracking.
Heart (British Cardiac Society) 2009;95(4):290-6.
2008: M Saito; Hideki Okayama; K Nishimura; Akiyoshi Ogimoto; Tomoaki Ohtsuka; K Inoue; Go Hiasa; T Sumimoto; Jitsuo Higaki
Possible link between large artery stiffness and coronary flow velocity reserve.
Heart (British Cardiac Society) 2008;94(6):e20.
2008: Hideki Okayama; Kazuhisa Nishimura; Makoto Saito; Katsuji Inoue; Go Hiasa; Takumi Sumimoto; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Yuji Shigematsu; Jitsuo Higaki
Significance of the distal to proximal coronary flow velocity ratio by transthoracic Doppler echocardiography for diagnosis of proximal left coronary artery stenosis.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2008;21(6):756-60.
2007: Takayuki Nagai; Akiyoshi Ogimoto; Hideki Okayama; Tomoaki Ohtsuka; Yuji Shigematsu; Mareomi Hamada; Tetsuro Miki; Jitsuo Higaki
A985G polymorphism of the endothelin-2 gene and atrial fibrillation in patients with hypertrophic cardiomyopathy.
Circulation journal : official journal of the Japanese Circulation Society 2007;71(12):1932-6.
2007: Tomoaki Ohtsuka; Kazuhisa Nishimura; Akira Kurata; Akiyoshi Ogimoto; Hideki Okayama; Jitsuo Higaki
Serum matrix metalloproteinase-3 as a novel marker for risk stratification of patients with nonischemic dilated cardiomyopathy.
Journal of cardiac failure 2007;13(9):752-8.
2007: Akiyoshi Ogimoto; Minoru Okubo; Hideki Okayama; Yoon S Shin; Yoriko Endo; Tetsu Ebara; Katsuji Inoue; Tomoaki Ohtsuka; Hideki Tahara; Toshio Murase; Jistuo Higaki
A Japanese patient with cardiomyopathy caused by a novel mutation R285X in the AGL gene.
Circulation journal : official journal of the Japanese Circulation Society 2007;71(10):1653-6.
2006: Yuji Shigematsu; Sadako Norimatsu; Tomoaki Ohtsuka; Hideki Okayama; Jitsuo Higaki
Sex-related differences in the relations of insulin resistance and obesity to left ventricular hypertrophy in Japanese hypertensive patients.
Hypertension research : official journal of the Japanese Society of Hypertension 2006;29(7):499-504.
2005: Akiyoshi Ogimoto; Yuji Shigematsu; Jun Nakura; Yuji Hara; Tomoaki Ohtsuka; Katsuhiko Kohara; Mareomi Hamada; Tetsuro Miki; Jitsuo Higaki
Endothelial nitric oxide synthase gene polymorphism (Glu298Asp) in patients with coexistent hypertrophic cardiomyopathy and coronary spastic angina.
Journal of molecular medicine (Berlin, Germany) 2005;83(8):619-25.
2005: Tomoaki Ohtsuka; Katsuji Inoue; Yuji Hara; Norikatsu Morioka; Kiyotaka Ohshima; Jun Suzuki; Akiyoshi Ogimoto; Yuji Shigematsu; Jitsuo Higaki
Serum markers of angiogenesis and myocardial ultrasonic tissue characterization in patients with dilated cardiomyopathy.
European journal of heart failure 2005;7(4):689-95.
2005: Seigo Miyoshi; Yuji Hara; Yuji Shigenmatsu; Tomoaki Ohtsuka; Akiyoshi Ogimoto; Takafumi Ohkura; Jitsuo Higaki
Separate origins of three coronary arteries arising from the right sinus of Valsalva.
The Canadian journal of cardiology 2005;21(5):451-2.
2005: Yuji Shigematsu; Yuji Hara; Tomoaki Ohtsuka; Akiyoshi Ohgimoto; Katsuji Inoue; Jitsuo Higaki
Relation of genetic predisposition and insulin resistance to left ventricular hypertrophy in hypertension.
American journal of hypertension 2005;18(4 Pt 1):457-63.
2005: Yuji Hara; Katsuji Inoue; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Yuji Shigematsu; Shigeru Nakata; Jitsuo Higaki
Effect of beta-blocker therapy on myocardial perfusion defects in thallium-201 scintigraphy in patients with dilated cardiomyopathy.
Cardiology 2005;104(1):16-21.
2004: Tomoaki Ohtsuka; Mareomi Hamada; Katsuji Inoue; Kiyotaka Ohshima; Jun Sujzuki; Tsuyoshi Matsunaka; Akiyoshi Ogimoto; Yuji Hara; Yuji Shigematsu; Jitsuo Higaki
Relation of circulating interleukin-6 to left ventricular remodeling in patients with reperfused anterior myocardial infarction.
Clinical cardiology 2004;27(7):417-20.
2004: Katsuji Inoue; Mareomi Hamada; Tomoaki Ohtsuka; Yuji Hara; Yuji Shigematsu; Shigeru Nakata; Jitsuo Higaki
Myocardial microvascular abnormalities observed by intravenous myocardial contrast echocardiography in patients with hypertrophic cardiomyopathy.
The American journal of cardiology 2004;94(1):55-8.
2004: Akiyoshi Ogimoto; Mareomi Hamada; Jun Nakura; Yuji Shigematsu; Yuji Hara; Tomoaki Ohtsuka; Atsuyuki Morishima; Akinori Kimura; Tetsuro Miki; Kunio Hiwada
17-year follow-up study of a patient with obstructive hypertrophic cardiomyopathy with a deletion mutation in the cardiac myosin binding protein C gene.
Circulation journal : official journal of the Japanese Circulation Society 2004;68(2):174-7.
2004: Katsuji Inoue; Mareomi Hamada; Tomoaki Ohtsuka; Jitsuo Higaki
Relation of myocardial blood volume to left ventricular function and future cardiac events in patients with idiopathic dilated cardiomyopathy.
Circulation journal : official journal of the Japanese Circulation Society 2004;68(1):53-8.
2003: Koji Kodama-Takahashi; Jun Suzuki; Akira Watanabe; Tomoaki Ohtsuka; Hidetoshi Hashida; Shuntaro Ikeda; Taishi Kuwahara; Yuji Hara; Yuji Shigematsu; Mareomi Hamada; Kunio Hiwada
Ischemia in the territory of the first major septal perforator branch anomalously originating from the first diagonal branch leads to a transient leftward shift of the QRS axis in the frontal plane: a case report.
Circulation journal : official journal of the Japanese Circulation Society 2003;67(10):885-8.
2003: Yuji Hara; Mareomi Hamada; Yuji Shigematsu; Tomoaki Ohtsuka; Akiyoshi Ogimoto; Jun Suzuki; Jitsuo Higaki
Effect of beta-blocker therapy in elderly patients with dilated cardiomyopathy.
Circulation journal : official journal of the Japanese Circulation Society 2003;67(10):826-9.
2003: Mareomi Hamada; Yuji Shigematsu; Kiyotaka Ohshima; Jun Suzuki; Akiyoshi Ogimoto; Tomoaki Ohtsuka; Yuji Hara
Diagnostic usefulness of carotid pulse tracing in patients with hypertrophic obstructive cardiomyopathy due to midventricular obstruction: a comparison with idiopathic hypertrophic subaortic stenosis.
Chest 2003;124(4):1275-83.
2003: Akiyoshi Ogimoto; Mareomi Hamada; Tomoaki Ohtsuka; Yuji Hara; Yuji Shigematsu; Akihito Yokoyama; Hiroshi Imagawa; Kanji Kawachi; Katsumi Kito; Jitsuo Higaki
Rapid progression of primary cardiac leiomyosarcoma with obstruction of the left ventricular outflow tract and mitral stenosis.
Internal medicine (Tokyo, Japan) 2003;42(9):827-30.
2003: Yuji Hara; Mareomi Hamada; Yuji Shigematsu; Tomoaki Ohtsuka; Akiyoshi Ogimoto; Jitsuo Higaki
Effect of beta-blockers on insulin resistance in patients with dilated cardiomyopathy.
Circulation journal : official journal of the Japanese Circulation Society 2003;67(8):701-4.
2003: Tomoaki Ohtsuka; Mareomi Hamada; Hideyuki Saeki; Akiyoshi Ogimoto; Yuji Hara; Yuji Shigematsu; Jitsuo Higaki
Serum levels of matrix metalloproteinases and tumor necrosis factor-alpha in patients with idiopathic dilated cardiomyopathy and effect of carvedilol on these levels.
The American journal of cardiology 2003;91(8):1024-7, A8.
2003: Mareomi Hamada; Yuji Hara; Tomoaki Ohtsuka; Jun Suzuki; Hideyuki Saeki; Akiyoshi Ogimoto; Yuji Shigematsu
Effect of the addition of a beta-blocker on left ventricular remodeling and prognosis in patients with dilated cardiomyopathy treated with angiotensin-converting enzyme inhibitor.
Journal of cardiovascular pharmacology 2003;41 Suppl 1():S5-10.
2003: Makoto Saito; Yuji Hara; Yuji Shigematsu; Tomoaki Ohtsuka; Hideyuki Saeki; Akiyoshi Ogimoto; Akihito Yokoyama; Mareomi Hamada
[Beneficial effect of cibenzoline in a patient with hypertrophic obstructive cardiomyopathy complicated with idiopathic interstitial pneumonia].
Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics 2003;40(1):62-4.
2002: Yuji Hara; Mareomi Hamada; Tomoaki Ohtsuka; Akiyoshi Ogimoto; Hideyuki Saeki; Tsuyoshi Matsunaka; Jun Suzuki; Yuji Shigematsu
Comparison of treatment effects of bevantolol and metoprolol on cardiac function and natriuretic peptides in patients with dilated cardiomyopathy.
Heart and vessels 2002;17(2):53-6.
2002: Go Hiasa; Mareomi Hamada; Yuji Shigematsu; Yuji Hara; Tomoaki Ohtsuka; Akiyoshi Ogimoto; Hideyuki Saeki; Jun Suzuki; Tsuyoshi Matsunaka; Hironobu Hamada; Takafumi Okura; Kunio Hiwada
Attenuation of biventricular pressure gradients by cibenzo-line in an 18-year-old patient with hypertrophic obstructive cardiomyopathy.
Circulation journal : official journal of the Japanese Circulation Society 2002;66(12):1173-5.
2002: Yuji Hara; Mareomi Hamada; Tomoaki Ohtsuka; Akiyoshi Ogimoto; Hideyuki Saeki; Jun Suzuki; Tsuyoshi Matsunaka; Shigeru Nakata; Yuji Shigematsu
Use of thallium-201 myocardial scintigraphy for the prediction of the response to beta-blocker therapy in patients with dilated cardiomyopathy.
Circulation journal : official journal of the Japanese Circulation Society 2002;66(12):1139-43.
2002: Tomoaki Ohtsuka; Mareomi Hamada; Hideyuki Saeki; Akiyoshi Ogimoto; Go Hiasa; Yuji Hara; Yuji Shigematsu; Kunio Hiwada
Comparison of effects of carvedilol versus metoprolol on cytokine levels in patients with idiopathic dilated cardiomyopathy.
The American journal of cardiology 2002;89(8):996-9.
2001: Yuji Hara; Mareomi Hamada; Yuji Shigematsu; Tomoaki Ohtsuka; Go Hiasa; Akiyoshi Ogimoto; Hideyuki Saeki; Shigeru Nakata; Kunio Hiwada
Effect of patency from coronary angioplasty during acute myocardial infarction on left ventricular remodeling and levels of natriuretic peptides later.
The American journal of cardiology 2001;88(6):683-5.
2001: O Sasaki; Mareomi Hamada; Go Hiasa; Akiyoshi Ogimoto; Tomoaki Ohtsuka; M Suzuki; Yuji Hara; Yuji Shigematsu; S Araki; Kunio Hiwada
Congenitally corrected transposition of the great arteries in a 65-year-old woman.
Japanese heart journal 2001;42(5):645-9.
2001: Mareomi Hamada; Yuji Shigematsu; Yuji Hara; M Suzuki; Tomoaki Ohtsuka; Go Hiasa; Akiyoshi Ogimoto; Hideyuki Saeki; Jun Suzuki; Kunio Hiwada
Antiarrhythmic drug, cibenzoline, can directly improve the left ventricular diastolic function in patients with hypertrophic cardiomyopathy.
Japanese circulation journal 2001;65(6):531-8.
2001: F Maki; Tomoaki Ohtsuka; M Suzuki; Yuji Hara; Y Shiigematsu; Mareomi Hamada; K Kawachi; Kunio Hiwada
Myocardial ischemia induced by anomalous aortic origin of the right coronary artery in a patient with atrial septal defect.
Japanese heart journal 2001;42(3):371-6.
2001: Akiyoshi Ogimoto; Mareomi Hamada; H Saeki; Go Hiasa; Tomoaki Ohtsuka; Hidetoshi Hashida; Yuji Hara; Takafumi Okura; Yuji Shigematsu; Kunio Hiwada
Hypoglycemic syncope induced by a combination of cibenzoline and angiotensin converting enzyme inhibitor.
Japanese heart journal 2001;42(2):255-9.
2001: Tomoaki Ohtsuka; Mareomi Hamada; Go Hiasa; O Sasaki; M Suzuki; Yuji Hara; Yuji Shigematsu; Kunio Hiwada
Effect of beta-blockers on circulating levels of inflammatory and anti-inflammatory cytokines in patients with dilated cardiomyopathy.
Journal of the American College of Cardiology 2001;37(2):412-7.
2000: Tomoaki Ohtsuka; M Suzuki; Mareomi Hamada; Kunio Hiwada
Cardiomyocyte functions couple with left ventricular geometric patterns in hypertension.
Hypertension research : official journal of the Japanese Society of Hypertension 2000;23(4):345-51.
2000: Yuji Hara; Mareomi Hamada; Yuji Shigematsu; M Suzuki; K Kodama; Taishi Kuwahara; Hidetoshi Hashida; S Ikeda; Tomoaki Ohtsuka; Go Hiasa; Kunio Hiwada
Effect of beta-blocker on left ventricular function and natriuretic peptides in patients with chronic heart failure treated with angiotensin-converting enzyme inhibitor.
Japanese circulation journal 2000;64(5):365-9.
2000: Go Hiasa; Mareomi Hamada; K Kodama; S Watanabe; Tomoaki Ohtsuka; S Ikeda; Hidetoshi Hashida; Taishi Kuwahara; Yuji Hara; Yuji Shigematsu; Kunio Hiwada
Apical hypertrophic cardiomyopathy associated with life-threatening paroxysmal atrial flutter with a slow ventricular response: a case report.
Japanese circulation journal 2000;64(3):225-8.
1999: Yuji Shigematsu; Mareomi Hamada; Go Hiasa; O Sasaki; Tomoaki Ohtsuka; Hidetoshi Hashida; Shuntaro Ikeda; M Suzuki; Yuji Hara; Kunio Hiwada
Serum creatinine level underestimates hypertensive renal involvement in elderly patients with essential hypertension.
Hypertension research : official journal of the Japanese Society of Hypertension 1999;22(4):297-301.
1999: K Tokuyasu; Yuji Hara; Y Matsumoto; Hidetoshi Hashida; S Ikeda; Tomoaki Ohtsuka; Go Hiasa; Yutaka Kitami; Yuji Shigematsu; Mareomi Hamada; Kunio Hiwada
Hypertrophic cardiomyopathy with mid-ventricular obstruction and splenic infarction associated with paroxysmal atrial fibrillation: a case report.
Journal of cardiology 1999;34(5):273-7.
1998: H Kawakami; Yuji Shigematsu; Tomoaki Ohtsuka; H Okayama; Y Hayashi; Yuji Hara; K Kodama; Mareomi Hamada; Kunio Hiwada
Increased circulating soluble form of Fas in patients with dilated cardiomyopathy.
Japanese circulation journal 1998;62(12):873-6.
1998: Mareomi Hamada; Taishi Kuwahara; Yuji Shigematsu; K Kodama; Yuji Hara; Hidetoshi Hashida; Shuntaro Ikeda; Tomoaki Ohtsuka; Shigeru Nakata; Kunio Hiwada
Relation between coronary blood flow and left ventricular mass in hypertension: noninvasive quantification of coronary blood flow by thallium-201 myocardial scintigraphy.
Hypertension research : official journal of the Japanese Society of Hypertension 1998;21(4):227-34.
1998: Yuji Shigematsu; M Hamada; Tomoaki Ohtsuka; Hidetoshi Hashida; S Ikeda; Taishi Kuwahara; Yuji Hara; K Kodama; Kunio Hiwada
Left ventricular geometry as an independent predictor for extracardiac target organ damage in essential hypertension.
American journal of hypertension 1998;11(10):1171-7.
1998: Tomoaki Ohtsuka; Mareomi Hamada; Yuji Hara; Taishi Kuwahara; K Kodama; Yuji Shigematsu; T Iwata; Kunio Hiwada
An early systolic sound associated with midventricular obstruction in a patient with hypertrophic cardiomyopathy.
Japanese circulation journal 1998;62(5):385-8.
1998: Tomoaki Ohtsuka; Mareomi Hamada; K Kodama; S Ikeda; Hidetoshi Hashida; Taishi Kuwahara; Yuji Hara; Yuji Shigematsu; Kunio Hiwada
Marked attenuation of mitral regurgitation by stent implantation: a patient with unstable angina.
Journal of cardiology 1998;31 Suppl 1():91-5; discussion 96.
1997: S Sato; Akihito Yokoyama; Tomoaki Ohtsuka; T Nomoto; M Abe; Nobuoki Kohno; Kunio Hiwada
[Cushing's syndrome due to small cell lung cancer with ectopic production of adrenocorticotropic and parathyroid hormone].
Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics 1997;34(3):215-20.