A Systematical Analysis of In Vivo Contact Forces on Virtual Catheter Tip/Tissue Surface Contact during Cardiac Mapping and Intervention

Y Okumura, SB Johnson, TJ Bunch… - Journal of …, 2008 - Wiley Online Library
Introduction: While catheter tip/tissue contact has been shown to be an important
determinant of ablative lesions in in vitro studies, the impact of contact on the outcomes of …

JCS/JHRS 2020 guideline on pharmacotherapy of cardiac arrhythmias

K Ono, Y Iwasaki, M Akao, T Ikeda, K Ishii… - Circulation …, 2022 - jstage.jst.go.jp
The Japanese Circulation Society (JCS) published the “Guidelines for Pharmacological
Treatment of Arrhythmia” in 2004, and a revised edition was published in 2009. 1 Both …

Impact of biomarkers of inflammation and extracellular matrix turnover on the outcome of atrial fibrillation ablation: importance of matrix metalloproteinase‐2 as a …

Y Okumura, I Watanabe, T Nakai… - Journal of …, 2011 - Wiley Online Library
MMP‐2 Predicts the Outcome of AF Ablation. Introduction: Although catheter ablation can
effectively eliminate atrial fibrillation (AF), the progression of atrial remodeling increases the …

Association between epicardial adipose tissue volumes on 3-dimensional reconstructed CT images and recurrence of atrial fibrillation after catheter ablation

K Nagashima, Y Okumura, I Watanabe, T Nakai… - Circulation …, 2011 - jstage.jst.go.jp
Background: Whether epicardial adipose tissue (EAT) is independently associated with
atrial fibrillation (AF) and outcome after catheter ablation (CA) for AF remains unclear …

Does location of epicardial adipose tissue correspond to endocardial high dominant frequency or complex fractionated atrial electrogram sites during atrial fibrillation?

K Nagashima, Y Okumura, I Watanabe… - Circulation …, 2012 - Am Heart Assoc
Background—Although increased epicardial adipose tissue (EAT) volume is known to be
associated with increased prevalence of atrial fibrillation (AF), the exact mechanisms are …

[HTML][HTML] Current use of direct oral anticoagulants for atrial fibrillation in Japan: Findings from the SAKURA AF Registry

Y Okumura, K Yokoyama, N Matsumoto… - Journal of …, 2017 - Elsevier
Background Large-scale investigations on the use of oral anticoagulants including direct
oral anticoagulants (DOACs) in patients with atrial fibrillation (AF) have not included …

Three-year clinical outcomes associated with warfarin vs. direct oral anticoagulant use among Japanese patients with atrial fibrillation―findings from the SAKURA AF …

Y Okumura, K Yokoyama, N Matsumoto… - Circulation …, 2018 - jstage.jst.go.jp
Background: Although direct oral anticoagulants (DOACs) are widely used in Japanese
patients with atrial fibrillation (AF), large-scale investigations into their use, with suitable …

Disproportionate exercise‐induced pulmonary hypertension in relation to cardiac output in heart failure with preserved ejection fraction: A non‐invasive …

Y Saito, M Obokata, T Harada, K Kagami… - European Journal of …, 2023 - Wiley Online Library
Aims Pulmonary hypertension (PH) and pulmonary vascular remodelling are common in
patients with heart failure with preserved ejection fraction (HFpEF). Many patients with …

Clinical outcomes of off-label dosing of direct oral anticoagulant therapy among Japanese patients with atrial fibrillation identified from the SAKURA AF Registry

N Murata, Y Okumura, K Yokoyama… - Circulation …, 2019 - jstage.jst.go.jp
Background: Off-label dosing of direct oral anticoagulants (DOACs) is encountered clinically
among patients with atrial fibrillation (AF), although data on the clinical outcomes of over …

[HTML][HTML] Cardiac resynchronization therapy: Current status and near-future prospects

T Nakai, Y Ikeya, R Kogawa, Y Okumura - Journal of Cardiology, 2022 - Elsevier
Cardiac resynchronization therapy (CRT) has been established as a standard treatment for
heart failure. The effectiveness of CRT has been shown in many clinical trials and realized in …