Yasuo Miyagi

Two Surgical Cases of Thymic Tumor Requiring Resection and Reconstruction of the Superior Vena Cava and the Brachiocephalic Vein

Makoto Shirakawa, Hikari Kimura, Ryosuke Amitani, Kenji Suzuki et autres

Surgery for thymic tumor involving major vessels remains challenging; however, complete surgical resection is recommended when the resected major vessels can be reconstructed safely. Two cases are described in this report. In Case 1, complete surgical resection followed by reconstruction using an …

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Machine Learning–Based Prediction of In-Hospital Falls in Adult Inpatients: Retrospective Observational Multicenter Study

Takuya Nishino, Kotone Matsuyama, Yasuo Miyagi, Nari Tanabe et autres

Background Falls among hospitalized patients are a critical issue that often leads to prolonged hospital stays and increased health care costs. Traditional fall risk assessments typically rely on standardized scoring systems; however, these may fail to capture the complex and multifactorial nature …

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An Adult Case of Double Outlet Right Ventricle and Right Ventricular Outflow Tract Stenosis Caused by Subpulmonary Membrane

Aiko Hirayama, Takashi Sasaki, Ryosuke Amitani, Hitomi Ueda et autres

We report a rare case of surgery for double-outlet right ventricle (DORV) and right ventricular outflow tract (RVOT) stenosis in adulthood; we also present a review of the literature. A 65-year-old man who had been diagnosed with a ventricular septal defect when …

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Abstract 14223: Vector Analysis for Left Ventricular Wall Motion by Optical Flow With Echocardiographic Images in Myocardial Infarction Rat Model

Yasuo Miyagi, Nari Tanabe, Ryosuke Aminati, Tomohiro Murata et autres

Background/Research Questions: Alternative evaluation of cardiac function may be established in echocardiography-based vector analysis of the ventricular wall motion property. Vector acceleration and direction have the potential to assess cardiac kinetic energy and dynamics. Optical flow is suitable for vector analysis, because …

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Statins Show Anti-Atherosclerotic Effects by Improving Endothelial Cell Function in a Kawasaki Disease-like Vasculitis Mouse Model

Yusuke Motoji, Ryuji Fukazawa, Ryosuke Matsui, Yoshinori Abe et autres

Kawasaki disease (KD) is an acute inflammatory syndrome of unknown etiology that is complicated by cardiovascular sequelae. Chronic inflammation (vasculitis) due to KD might cause vascular cellular senescence and vascular endothelial cell damage, and is a potential cause of atherosclerosis in young …

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Surgical Management of Cardiac Implantable Electronic Device Complications in Patients Unsuitable for Transvenous Lead Extraction

Yasuo Miyagi, Hiroya Oomori, Motohiro Maeda, Tomohiro Murata et autres

BACKGROUND: Although surgical approaches for infected or failing cardiac implantable electronic device (CIED) leads are more invasive than transvenous approaches, they are still required for patients considered unsuitable for transvenous procedures. In this study, surgical management with transvenous equipment for CIED complications …

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Abstract 11211: Kawasaki Disease Like Vasculitis Facilitate Atherosclerosis and Statin Shows Significant Antiatherosclerosis and Antiinflammatory Effect in Kawasaki Disease Model Mouse

Yusuke Motoji, Ryuji Fukazawa, Yasuo Miyagi, Yasuhiko Itoh et autres

Introduction: Kawasaki disease (KD) is an acute form of systemic vasculitis that may promote atherosclerosis in adulthood. We reported last year that CAWS vasculitis, a KD-like vasculitis, induces atherosclerosis in ApoE -/- mice and that statin suppress atherosclerosis and vasculitis. For further …

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Shunt and pace: a novel experimental model of atrial fibrillation with a volume-loaded left atrium

Hiroya Ohmori, Shun‐ichiro Sakamoto, Yasuo Miyagi, Yôsuke Ishii et autres

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Kawasaki Disease-like Vasculitis Facilitates Atherosclerosis, and Statin Shows a Significant Antiatherosclerosis and Anti-Inflammatory Effect in a Kawasaki Disease Model Mouse

Yusuke Motoji, Ryuji Fukazawa, Ryosuke Matsui, Noriko Nagi‐Miura et autres

Kawasaki disease (KD) is an acute form of systemic vasculitis that may promote atherosclerosis in adulthood. This study examined the relationships between KD, atherosclerosis, and the long-term effects of HMG-CoA inhibitors (statins). Candida albicans water-soluble fraction (CAWS) was injected intraperitoneally into 5-week-old …

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Myocardial infarctions prediction with cardiac cycle type CNN for cardiac stretching exercise

Koki Fukasawa, Nari Tanabe, Junya Aoyama, Yasuo Miyagi

Echocardiography is widely used in the diagnosis of cardiac diseases. Diagnosis requires a high level of skill, and analyzing the exact condition of the heart is very difficult. In this paper, the dynamic changes in the heart due to myocardial infarction are …

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Correction to: Serial change in perfusion–metabolism mismatch after coronary artery bypass grafting

Motoko Morishima, Tomonari Kiriyama, Yasuo Miyagi, Toshiaki Otsuka et autres

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Serial change in perfusion–metabolism mismatch after coronary artery bypass grafting

Motoko Morishima, Tomonari Kiriyama, Yasuo Miyagi, Toshiaki Otsuka et autres

OBJECTIVE: Myocardial ischemia is known to suppress fatty acid metabolism and favor glucose metabolism. However, changes in myocardial metabolism after coronary revascularization are not fully elucidated. METHODS: I-BMIPP SPECT in both the short-term (6.4 ± 4.7 months) and mid-term (29.9 ± 7.2 …

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