Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Naokazu Hamada is active.

Publication


Featured researches published by Naokazu Hamada.


The Annals of Thoracic Surgery | 2004

Recurrent Pericardial Tamponade from Atrial Hemangioma

Naoyuki Sata; Yukinori Moriyama; Naokazu Hamada; Takashi Horinouchi; Kenkichi Miyahara

We encountered a 72-year-old woman with a left atrial hemangioma arising in the appendage and growing like an extracardiac mass. Life-threatening cardiac tamponade, recurrent over a 5-year clinical course, was the only sign of this rare tumor. The extraatrial growth pattern of the tumor made it difficult to distinguish the cardiac origin from a paracardiac mass. With the aid of cardiopulmonary bypass, the tumor was removed from the left atrium at the base of the appendage. Pathologic diagnosis was a combination of cavernous- and venous-type hemangioma. The postoperative course was uneventful, and the patient was doing well with no pericardial effusion at the 10-month follow-up.


Japanese Heart Journal | 2004

C-reactive Protein and Atrial Fibrillation

Naoyuki Sata; Naokazu Hamada; Takashi Horinouchi; Shigeru Amitani; Takuya Yamashita; Yukinori Moriyama; Kenkichi Miyahara


Japanese Heart Journal | 2004

C-reactive protein and atrial fibrillation. Is inflammation a consequence or a cause of atrial fibrillation?

Naoyuki Sata; Naokazu Hamada; Takashi Horinouchi; Shigeru Amitani; Takuya Yamashita; Yukinori Moriyama; Kenkichi Miyahara


Japanese Circulation Journal-english Edition | 2012

Disrupted Regulation of Ghrelin Production Under Antihypertensive Treatment in Spontaneously Hypertensive Rats

Naokazu Hamada; Yoshihiro Nishi; Yuji Tajiri; Kentaro Setoyama; Ryozo Kamimura; Kenkichi Miyahara; Norihito Nuruki; Hiroshi Hosoda; Kenji Kangawa; Hiroharu Mifune


The Japanese Journal of Thoracic and Cardiovascular Surgery | 2005

Discrepancy between doppler and catheter measurements of pressure gradients across small-size prosthetic valve

Takuya Yamashita; Yukinori Moriyama; Naoyuki Sata; Naokazu Hamada; Takashi Horinouchi; Shigeru Amitani; Kenkichi Miyahara; Kentaro Setoyama; Kazuhiro Misumi; Hiroshi Sakamoto


Annals of Nuclear Medicine | 2009

Predictor of underlying myocardial damage in normally functioning left ventricle with narrow QRS complex: relationship between QRS duration at right ventricle pacing and iodine-123 metaiodobenzylguanidine myocardial scintigraphy.

Naoyuki Sata; Tomonori Kawano; Naokazu Hamada; Takashi Horinouchi; Shigeru Amitani; Yukinori Moriyama; Kenkichi Miyahara


Japanese Circulation Journal-english Edition | 2009

DPE-018 Subclinical Thyroid Dysfunction as an Important Factor in Recurrence of Atrial Fibrillation after Pulmonary Vein Isolation(DPE03,Atrial/Supraventricular Arrhythmia (Clinical/Treatment) (A),Digital Poster Session (English),The 73rd Annual Scientific Meeting of The Japanese Circulation Society)

Kazuyuki Tanoue; Norihito Nuruki; Erika Yamashita; Tomonori Kawano; Hiroshi Hayakawa; Shun Amiya; Katsunori Tohfuku; Naoyuki Sata; Naokazu Hamada; Hirohito Tsubouchi


Japanese Circulation Journal-english Edition | 2009

OE-241 The Impact of High Resolution Substrate Mapping Guided Catheter Ablation for Ventricular Tachycardia in Patients with Arrhythmogenic Right Ventricular Cardiomyopathy(OE41,Ventricular Arrhythmia, Treatment (A),Oral Presentation (English),The 73rd Annual Scientific Meeting of The Japanese Circulation Society)

Kazuyuki Tanoue; Norihito Nuruki; Erika yamashita; Tomonori Kawano; Hiroshi Hayakawa; Shun Amiya; Katsunori Tohfuku; Naoyuki Sata; Naokazu Hamada; Tsubouchi Hirohito; Yukio Sekiguchi; Kazutaka Aonuma


Japanese Circulation Journal-english Edition | 2006

PJ-730 Relationship between the Left Ventricular Pressure Response to Post-extrasystolic Potentiation and Left Ventricular Function(Cardiac function, basic/clinical-5 (M) PJ124,Poster Session (Japanese),The 70th Anniversary Annual Scientific Meeting of the Japanese Circulation Society)

Yoshihiro Fukuoka; Yasuhiro Tanaka; Norihito Nuruki; Katsuro Kashima; Tomotoshi Keigo; Naokazu Hamada; Kenkichi Miyahara; Hirohito Tsubouchi


脈管学 | 2004

Assessment of Optimal Atrioventricular Delay Using Doppler Index in Atrioventricular Sequential Pacing

Takashi Horinouchi; Naoyuki Sata; Naokazu Hamada; Shigeru Amitani; Kenkichi Miyahara; Norihito Nuruki; Yasuhiro Tanaka; Kentaro Setoyama; Kazuhiro Misumi; Hiroshi Sakamoto

Collaboration


Dive into the Naokazu Hamada's collaboration.

Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Researchain Logo
Decentralizing Knowledge