Ken Okumura Selected Research

Cardiac Resynchronization Therapy Devices

11/2017	Survival and Heart Failure Hospitalization in Patients With Cardiac Resynchronization Therapy With or Without a Defibrillator for Primary Prevention in Japan　- Analysis of the Japan Cardiac Device Treatment Registry Database.
12/2016	Trends and determinant factors in the use of cardiac resynchronization therapy devices in Japan: Analysis of the Japan cardiac device treatment registry database.
4/2015	Japan Implantable Devices in Coronary Artery Disease (JID-CAD) study design.

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Ken Okumura Research Topics

Disease

150	Atrial Fibrillation 04/2024 - 02/2002
75	Hemorrhage 04/2024 - 11/2002
61	Stroke (Strokes) 01/2024 - 11/2002
25	Myocardial Infarction 09/2023 - 05/2003
24	Heart Failure 01/2024 - 09/2002
22	Hypertension (High Blood Pressure) 01/2021 - 01/2002
21	Ischemic Stroke 10/2023 - 01/2004
20	Thromboembolism 01/2022 - 01/2004
17	Embolism (Embolus) 01/2024 - 09/2003
10	ST Elevation Myocardial Infarction 08/2020 - 11/2013
9	Coronary Artery Disease (Coronary Atherosclerosis) 01/2021 - 12/2003
8	Thrombosis (Thrombus) 01/2021 - 08/2013
8	Acidosis 12/2018 - 03/2009
7	Body Weight (Weight, Body) 04/2024 - 11/2020
7	Ventricular Tachycardia 09/2023 - 01/2014
7	Cardiac Arrhythmias (Arrythmia) 04/2023 - 09/2003
7	Muscle Spasticity (Spastic) 07/2021 - 04/2002
6	Embolic Stroke 01/2023 - 07/2014
6	Neoplasms (Cancer) 01/2022 - 05/2004
6	Tachycardia (Tachyarrhythmias) 04/2016 - 05/2002
6	Inflammation (Inflammations) 08/2014 - 01/2006
6	Ventricular Remodeling 06/2014 - 10/2005
5	Diabetes Mellitus 02/2024 - 01/2005
5	Intracranial Hemorrhages (Intracranial Hemorrhage) 12/2023 - 01/2016
5	Fibrosis (Cirrhosis) 10/2021 - 11/2003
5	Chronic Renal Insufficiency 10/2020 - 05/2006
5	Infarction (Infarctions) 08/2020 - 11/2002
5	Hematoma 11/2018 - 09/2014
5	Coronary Vasospasm (Coronary Artery Vasospasm) 08/2017 - 04/2002
5	Proteinuria 05/2017 - 09/2006
5	Hypoxia (Hypoxemia) 10/2016 - 06/2006
4	Cardiomyopathies (Cardiomyopathy) 01/2023 - 02/2014
4	Cardiac Sudden Death (Sudden Cardiac Arrest) 01/2022 - 01/2014
4	Cerebral Hemorrhage 11/2018 - 09/2014
4	Rupture 01/2017 - 04/2014
4	Nephrotic Syndrome (Syndrome, Nephrotic) 08/2013 - 06/2004
4	Glomerulonephritis 03/2013 - 10/2005
4	Chronic Kidney Failure (Chronic Renal Failure) 05/2012 - 01/2002
4	Nephritis 01/2011 - 05/2003
3	Frailty 01/2023 - 01/2022
3	Anemia 12/2022 - 01/2018
3	Cardiomegaly (Heart Hypertrophy) 10/2021 - 04/2012
3	Spasm (Spasms) 07/2021 - 10/2010
3	Transient Ischemic Attack 01/2020 - 01/2019
3	Shock 01/2020 - 01/2014
3	Hypertrophy 01/2019 - 09/2002
3	Cardiac Tamponade 01/2019 - 01/2017
3	Heart Diseases (Heart Disease) 03/2018 - 01/2005
3	Pericardial Effusion 10/2017 - 02/2015

Drug/Important Bio-Agent (IBA)

70	AnticoagulantsIBA 02/2024 - 01/2011
61	Warfarin (Coumadin)FDA LinkGeneric 01/2024 - 01/2004
17	CreatinineIBA 11/2023 - 05/2006
16	edoxabanIBA 04/2024 - 02/2017
15	Vitamin K FDA Link 01/2022 - 01/2015
15	Dabigatran FDA Link 01/2022 - 01/2011
13	apixabanIBA 06/2022 - 12/2015
12	RivaroxabanIBA 10/2021 - 07/2014
10	F(6) ATPaseIBA 12/2018 - 12/2003
9	Biomarkers (Surrogate Marker)IBA 08/2023 - 01/2011
7	Anti-Arrhythmia AgentsIBA 09/2022 - 07/2002
7	Proteins (Proteins, Gene)FDA Link 08/2019 - 04/2002
7	SaltsIBA 12/2018 - 01/2002
7	Matrix Metalloproteinases (MMPs)IBA 06/2014 - 12/2003
6	Platelet Aggregation Inhibitors (Antiplatelet Drugs)IBA 04/2024 - 01/2016
6	CalciumIBA 07/2021 - 08/2006
6	Type C PhospholipasesIBA 08/2019 - 04/2002
6	N(4)-oleylcytosine arabinosideIBA 01/2019 - 01/2015
6	Angiotensin-Converting Enzyme Inhibitors (ACE Inhibitors)IBA 01/2018 - 11/2002
6	Adenosine Triphosphate (ATP)IBA 04/2016 - 11/2005
4	fibrin fragment D (D-dimer)IBA 08/2023 - 01/2004
4	Brain Natriuretic Peptide (Natrecor)FDA Link 01/2022 - 10/2006
4	Heparin (Liquaemin)FDA LinkGeneric 06/2019 - 10/2016
4	Angiotensin Receptor AntagonistsIBA 01/2018 - 10/2005
4	Phospholipases (Phospholipase)IBA 08/2017 - 04/2002
4	LipidsIBA 01/2016 - 11/2006
4	Enalapril FDA LinkGeneric 06/2014 - 10/2005
4	Reactive Oxygen Species (Oxygen Radicals)IBA 05/2012 - 12/2003
4	Angiotensin IIIBA 03/2009 - 11/2002
4	Fatty Acids (Saturated Fatty Acids)IBA 09/2008 - 09/2005
3	ReninIBA 10/2021 - 06/2016
3	Acetylcholine (Acetylcholine Chloride)FDA Link 07/2021 - 10/2010
3	Factor Xa InhibitorsIBA 01/2021 - 07/2014
3	Protons (Proton)IBA 12/2018 - 01/2018
3	Atrial Natriuretic Factor (ANF)IBA 01/2018 - 02/2002

Therapy/Procedure

58	Therapeutics 01/2024 - 02/2003
33	Catheter Ablation 11/2023 - 10/2012
13	Percutaneous Coronary Intervention 09/2023 - 10/2004
10	Defibrillators (Defibrillator) 01/2021 - 01/2014
10	Catheters 01/2018 - 01/2006
9	Implantable Defibrillators (Implantable Cardioverter-Defibrillator) 12/2022 - 01/2014
7	Secondary Prevention 12/2019 - 11/2002
6	Electric Countershock (Cardioversion) 08/2015 - 09/2003
5	Drug Therapy (Chemotherapy) 12/2022 - 01/2013
5	Stents 01/2019 - 05/2007
4	Cardiac Resynchronization Therapy 01/2021 - 04/2015
3	Polypharmacy 01/2024 - 12/2022
3	Cryosurgery 04/2023 - 01/2020
3	Radiofrequency Ablation 09/2020 - 05/2002
3	Renal Dialysis (Hemodialysis) 08/2018 - 12/2003
3	Cardiac Resynchronization Therapy Devices 11/2017 - 04/2015