Ken Okumura
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Explore the profile of Ken Okumura including associated specialties, affiliations and a list of published articles.
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438
Citations
6104
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Recent Articles
1.
Iwasaki Y, Noda T, Akao M, Fujino T, Hirano T, Inoue K, et al.
Circ J
. 2025 Feb;
PMID: 39956587
No abstract available.
2.
Okamatsu H, Okumura K, Onishi F, Yoshimura A, Negishi K, Tsurugi T, et al.
Heart Rhythm O2
. 2025 Jan;
5(12):890-899.
PMID: 39803623
Background: We previously reported the relationship between first-pass pulmonary vein isolation (FPI) and pulmonary vein isolation (PVI) durability in ablation index-guided atrial fibrillation ablation. Obesity is a worsening factor for...
3.
Unoki T, Nakayama T, Saku K, Matsushita H, Inamori T, Matsuura J, et al.
J Cardiol
. 2024 Dec;
PMID: 39689743
Background: Venoarterial-extracorporeal membrane oxygenation (VA-ECMO) is a vital mechanical circulatory support for treating patients with refractory cardiogenic shock (CS). VA-ECMO can improve end-organ perfusion; however, it increases left ventricular (LV)...
4.
Ozaki M, Okawa K, Oka A, Okumura K
Eur Heart J Case Rep
. 2024 Nov;
8(11):ytae580.
PMID: 39525510
Background: Myocarditis is associated with an increased risk of conduction disturbances during the acute phase, which recovers in most cases but rarely recurs during the chronic phase. Case Summary: A...
5.
Toyoda K, Kusano K, Iguchi Y, Ikeda T, Morishima I, Tomita H, et al.
J Am Heart Assoc
. 2024 Oct;
13(21):e035956.
PMID: 39450720
Background: We aimed to quantify the incidence of atrial fibrillation (AF) in patients with cryptogenic stroke globally, as well as separately in patients in and outside of Japan, using an...
6.
Hanada K, Sasaki S, Kinjo T, Shikanai S, Yamazaki K, Kato T, et al.
Circ J
. 2024 Oct;
89(3):354-363.
PMID: 39401921
Background: Although the efficacy of an implantable cardioverter defibrillator (ICD) in preventing sudden cardiac death is well established, the incidence and predictors of appropriate ICD therapy in Japanese ischemic heart...
7.
Suzuki S, Yamashita T, Akao M, Atarashi H, Ikeda T, Okumura K, et al.
Circ Rep
. 2024 Aug;
6(8):283-293.
PMID: 39132332
Background: The All Nippon Atrial Fibrillation In the Elderly Registry provides real-world insights into non-valvular atrial fibrillation (NVAF) in >30,000 elderly Japanese patients (aged ≥75 years), including >2,000 nonagenarians. We...
8.
Akao M, Tomita H, Nakai M, Kodani E, Suzuki S, Hayashi K, et al.
J Atheroscler Thromb
. 2024 May;
31(11):1591-1606.
PMID: 38811233
Aim: Oral anticoagulants (OACs) reduce the risk of ischemic stroke but may increase the risk of major bleeding in patients with non-valvular atrial fibrillation (NVAF). Various risk scores, such as...
9.
Negishi K, Okumura K, Onishi F, Yoshimura A, Okamatsu H, Tsurugi T, et al.
J Interv Card Electrophysiol
. 2024 May;
67(7):1667-1669.
PMID: 38700612
No abstract available.
10.
Yamamoto T, Mizokami Y, Yamashita T, Akao M, Atarashi H, Ikeda T, et al.
Sci Rep
. 2024 Apr;
14(1):9688.
PMID: 38678096
Gastrointestinal (GI) bleeding control is critical in elderly patients with atrial fibrillation (AF) receiving oral anticoagulants (OAC). This subgroup analysis aimed to clarify the actual state and significance of GI...