Koji Kumagai
Overview
Explore the profile of Koji Kumagai including associated specialties, affiliations and a list of published articles.
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Articles
75
Citations
497
Followers
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Recent Articles
11.
Kumagai K
J Cardiovasc Electrophysiol
. 2022 Jan;
33(4):638-640.
PMID: 35044024
No abstract available.
12.
Yambe M, Nakano T, Kumagai K, Komaru T
BMJ Case Rep
. 2021 Nov;
14(11).
PMID: 34753725
Asymptomatic takotsubo syndrome was observed during periodic Holter monitoring in a man in his 60s undergoing maintenance dialysis. No emotional or physical stress was noticed. The electrocardiographic changes at onset...
13.
Usuda K, Kato T, Tsuda T, Tada H, Niwa S, Usui S, et al.
Heart Vessels
. 2021 Sep;
37(2):327-336.
PMID: 34524497
The impact of catheter ablation for atrial fibrillation (AF) on cardiovascular events and mortality is controversial. We investigated the impact of sinus rhythm maintenance on major adverse cardiac and cerebrovascular...
14.
Watanabe R, Nagashima K, Wakamatsu Y, Otsuka N, Yokoyama K, Matsumoto N, et al.
Circ J
. 2021 Jul;
86(2):233-242.
PMID: 34219078
Background: It is unclear whether there are differences in the clinical factors between atrial fibrillation (AF) recurrence and adverse clinical events (AEs), including stroke/transient ischemic attack (TIA), major bleeding, and...
15.
Iso K, Nagashima K, Arai M, Watanabe R, Yokoyama K, Matsumoto N, et al.
Heart Vessels
. 2020 Nov;
36(4):549-560.
PMID: 33236221
Whether ablation for atrial fibrillation (AF) is, in terms of clinical outcomes, beneficial for Japanese patients has not been clarified. Drawing data from 2 Japanese AF registries (AF Frontier Ablation...
16.
Wakamatsu Y, Nagashima K, Watanabe R, Arai M, Yokoyama K, Matsumoto N, et al.
Int Heart J
. 2020 Nov;
61(6):1165-1173.
PMID: 33191353
Direct oral anticoagulants (DOACs) are sometimes prescribed at off-label under-doses for patients who have undergone ablation for atrial fibrillation (AF). This practice may be an attempt to balance the risk...
17.
Wakayama Y, Nakano M, Fukuda K, Kumagai K, Sugai Y, Hirose M, et al.
Tohoku J Exp Med
. 2020 Jun;
251(2):69-79.
PMID: 32493869
Cardiac resynchronization therapy (CRT) improves cardiac dyssynchrony in heart failure patients with a wide QRS electrocardiogram (ECG). Assessment of left ventricular (LV) dyssynchrony using echocardiography or other imaging modalities is...
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Okumura Y, Nagashima K, Arai M, Watanabe R, Yokoyama K, Matsumoto N, et al.
Circ J
. 2019 Oct;
83(12):2418-2427.
PMID: 31619591
Background: The safety of discontinuing oral anticoagulant (OAC) after ablation for atrial fibrillation (AF) in Japanese patients has not been clarified. Methods and results: A study based on the Atrial...