Kosuke Fujibayashi

ORCID: 0000-0001-5567-1424
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About
Contact & Profiles
Research Areas
  • Atrial Fibrillation Management and Outcomes
  • Acute Myocardial Infarction Research
  • Lipoproteins and Cardiovascular Health
  • Cardiac Arrhythmias and Treatments
  • Vasculitis and related conditions
  • Blood Coagulation and Thrombosis Mechanisms
  • Coronary Artery Anomalies
  • Dupuytren's Contracture and Treatments
  • Cardiac Imaging and Diagnostics
  • Liver Disease Diagnosis and Treatment
  • Dermatological and Skeletal Disorders
  • Quality and Safety in Healthcare
  • Inflammatory Myopathies and Dermatomyositis
  • Cardiovascular Function and Risk Factors
  • Advanced Battery Technologies Research
  • Biomarkers in Disease Mechanisms
  • Analytical Methods in Pharmaceuticals
  • Coronary Interventions and Diagnostics
  • Complement system in diseases
  • Pericarditis and Cardiac Tamponade
  • Pharmacogenetics and Drug Metabolism
  • Protease and Inhibitor Mechanisms
  • Viral Infections and Immunology Research
  • Renal Diseases and Glomerulopathies
  • Hormonal Regulation and Hypertension

Kanazawa Medical University
2013-2025

Objective Non-alcoholic fatty liver disease is a risk factor for atrial fibrillation. We assessed whether fibrosis markers are associated with remodeling indicators in patients fibrillation whom has not been identified. Methods In this prospective, observational study, 174 without chronic who underwent catheter ablation were enrolled. Using blood collected from the right atrium, type IV collagen (COL4), 7S (COL4-7S), and tumor necrosis factor-α concentrations measured as of inflammation. The...

10.1177/03000605251314832 article EN cc-by-nc Journal of International Medical Research 2025-02-01

Pseudoxanthoma elasticum (PXE) is a rare autosomal recessive disorder characterized by fragmentation and calcification of the elastic fibers skin, eyes, various arteries with highly variable clinical expression. PXE predominantly caused pathogenic variants ABCC6 gene, which encodes efflux transporter; however, precise mechanism responsible for manifestation remains unclear. We herein report case male patient premature coronary stenosis as his first presentation requiring catheter...

10.1016/j.athplu.2025.03.001 article EN cc-by-nc-nd Atherosclerosis Plus 2025-03-22

Proprotein convertase subtilisin/kexin type 9 (PCSK9) circulates as mature and furin-cleaved forms, but their biological functions are uncertain. We investigated whether levels associate with prognosis in patients acute ST elevation myocardial infarction (STEMI).We enrolled 160 statin-naïve STEMI followed for 3 years. PCSK9 subtype were determined by an enzyme-linked immunosorbent assay before at five timepoints up to 48 h after emergent coronary intervention. The occurrence of cardiac...

10.1016/j.athplu.2022.09.002 article EN cc-by-nc-nd Atherosclerosis Plus 2022-09-30

A 54-year-old woman with multiple sclerosis treated interferon-β (IFN-β)-1b for 15 years presented sustained hypertension (240/124 mmHg) and retinal bleeding. She had proteinuria, anemia, thrombocytopenia, elevated serum creatinine levels, haptoglobin depletion. Intravenous nicardipine stabilized her blood pressure, but renal function platelet count deteriorated. The initial disintegrin-like metalloprotease thrombospondin type 1 motif 13 (ADAMTS13) activity was 28% of normal without its...

10.2169/internalmedicine.1846-23 article EN Internal Medicine 2023-08-31

Coronary sinus ostial atresia is rare and usually not clinically relevant, but it should be noted in cases of cardiac resynchronization therapy. A case successful left ventricular lead implantation for therapy via the superior vena cava a patient with coronary reported. The persistent associated these tends to smaller than usual its diameter difficult identify, since direction venous drainage reversed. Therefore, present case, was useful use small-diameter, soft inner catheter as guiding...

10.1016/j.jccase.2019.11.002 article EN cc-by-nc-nd Journal of Cardiology Cases 2019-11-23

Lipoprotein(a) [Lp(a)] is a causal risk factor for atherosclerotic cardiovascular diseases; however, its role in acute coronary syndrome (ACS) remains unclear.

10.4330/wjc.v16.i6.329 article EN World Journal of Cardiology 2024-06-24

Vaccination is important for the prevention of coronavirus-induced disease 2019 (COVID-19) caused by SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) and to protect persons with a high risk complications. There have been reports myopericarditis following COVID-19 vaccination, especially in adolescent males young adults. Breakthrough infections, such as Delta or Omicron variant SARS-CoV-2, raised great concern about necessity repeated doses vaccine. A case after second dose...

10.1177/11795476221138648 article EN cc-by-nc Clinical Medicine Insights Case Reports 2022-01-01

植込み型除細動器とリードの組み合わせにより,同一リードを用いてもペーシングのリードインピーダンスが異なる場合がある.また,ショックリードの状態把握について,微小電流を用いたパルス放電によるインピーダンスを用いる機種や,コイルと心室先端電極を含めたリードの導通テストを用いる機種があり,デバイス製造各社で統一されていないのが現状である.症例は,高インピーダンスリードを植込み型除細動器の初回植込み時より使用され,電池消耗のため2回の機種変更が行われた.使用された計3種類の植込み型除細動器間ではリードチェックの導通経路がそれぞれ異なり,測定値に違いを認めた.ペーシングリードのインピーダンス高値からリード断線が疑われたが,機種変更にて同一リードを継続して使用可能であることが判明した症例を報告する.

10.5105/jse.42.212 article JA Japanese Journal of Electrocardiology 2022-12-23
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