Hirotoshi Kato

Concurrent Fulminant Myocarditis and Severe Rhabdomyolysis in COVID-19-related Multisystem Inflammatory Syndrome in Adults: A Case Report and Review of the Literature

Ryohei Ono, Togo Iwahana, Kaoruko Aoki, Hirotoshi Kato et autres

This case report describes a 47-year-old woman with coronavirus disease 2019 (COVID-19)-related multisystem inflammatory syndrome in adults (MIS-A), who presented with fulminant myocarditis and severe rhabdomyolysis. Despite the absence of severe respiratory symptoms, the patient showed remarkable myocardial and leg edema with …

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Correlation Between the J-MACS, HeartMate3, and J-HeartMate Risk Scores and Their Prognostic Impact in Japanese Patients With Heart Failure ― A Retrospective Study ―

Kaoruko Aoki, Togo Iwahana, Ryohei Ono, Hirotoshi Kato et autres

BACKGROUND: In addition to the J-HeartMate Risk Score (J-HMRS) and HeartMate 3 Risk Score (HM3RS), the J-MACS Risk Score (J-MACS-RS) was developed to predict death after left ventricular assist device (LVAD) implantation in Japanese patients with heart failure (HF). However, the correlation …

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Periorbital Purpura: A Key Finding in Identifying Hematological Disorders

Ryohei Ono, Togo Iwahana, Kaoruko Aoki, Hirotoshi Kato et autres

Periorbital purpura, also known as "raccoon eyes," is the key finding in identifying hematological disorders such as amyloid light chain amyloidosis, multiple myeloma, or monoclonal gammopathy of undetermined significance.

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IgG4-Related Constrictive Pericarditis with Previous Asbestos Exposure: A Case Report and Literature Review

Ryohei Ono, Hiroki Kohno, Chihiro Ito, Kaoruko Aoki et autres

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Inclusion body myositis coexisting with severe aortic stenosis due to bicuspid aortic valve: A case report and literature review of cardiac involvement in inclusion body myositis

Ryohei Ono, Togo Iwahana, Kaoruko Aoki, Hirotoshi Kato et autres

Abstract Inclusion body myositis (IBM) is an idiopathic inflammatory myopathy, but cardiac involvement has rarely been reported. Although bicuspid aortic valve (BAV) is one of the most common congenital heart diseases, the relationship between IBM and valvular heart disease remains unknown. We …

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Shark Fin Sign in a Patient with Sepsis-induced Cardiomyopathy Associated with Retained Placenta: A Case Report and Review of the Literature

Yoshiyuki Ohnaga, Ryohei Ono, Kaoruko Aoki, Hirotoshi Kato et autres

Retained placenta can lead to septic shock; however, sepsis-induced cardiomyopathy (SICM) due to retained placenta has not been reported previously. This report presents a rare case of SICM following septic shock due to retained placenta after miscarriage in a 40-year-old woman, accompanied …

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Dextrocardia: mirror-image dextrocardia or dextroversion?

Ryohei Ono, Togo Iwahana, Kazuko Aoki, Hirotoshi Kato et autres

Ryohei Ono, MD, PhD, Togo Iwahana, MD, PhD, Kaoruko Aoki, MD, Hirotoshi Kato, MD, PhD, Takatsugu Kajiyama, MD, PhD, Yoshio Kobayashi, MD, PhD; Dextrocardia

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SARS-CoV-2 infection-induced immune thrombocytopenia in a patient with orthotopic heart transplantation: A case report and literature review

Ryohei Ono, Togo Iwahana, Kaoruko Aoki, Hirotoshi Kato et autres

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Residual Lead Infection Identified by 18F-Fluorodeoxyglucose Positron Emission Tomography

Yuya Tanabe, Ryohei Ono, Hirotoshi Kato, Ken Kato et autres

implantable electronic device (CIED) infection was clinically suspected.To confirm the diagnosis, a whole-body 18 F-fluorodeoxyglucose positron emission tomography (FDG-PET) scan was performed, and there was avid uptake (maximum standardized uptake value of 7.8) along the residual leads (Figure B-D).The implanted pacemaker and …

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Fulminant Myocarditis with SARS-CoV-2 Infection: A Narrative Review from the Case Studies

Ryohei Ono, Togo Iwahana, Kaoruko Aoki, Hirotoshi Kato et autres

One of the severe complications of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is myocarditis. However, the characteristics of fulminant myocarditis with SARS-CoV-2 infection are still unclear. We systematically reviewed the previously reported cases of fulminant myocarditis associated with SARS-CoV-2 …

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Pulse wave-based evaluation of the blood-supply capability of patients with heart failure via machine learning

Sirui Wang, Ryohei Ono, Dandan Wu, Kaoruko Aoki et autres

Abstract Pulse wave, as a message carrier in the cardiovascular system (CVS), enables inferring CVS conditions while diagnosing cardiovascular diseases (CVDs). Heart failure (HF) is a major CVD, typically requiring expensive and time-consuming treatments for health monitoring and disease deterioration; it would …

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Giant Cell Myocarditis with Prolonged Cardiac Standstill After Drug-Induced Hypersensitivity Syndrome: A Case Report

Ryohei Ono, Hiroki Kohno, Sae Kaminota, Kaoruko Aoki et autres

Giant cell myocarditis (GCM) is a rare but fatal disease that can lead to cardiac failure. Survival with a cardiac standstill requires mechanical circulatory support or a biventricular assist device (BiVAD) and prolonged survival is extremely rare. Drug-induced hypersensitivity syndrome (DIHS) is …

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