Rena Nakamura

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BACKGROUND Diabetes mellitus (DM) is a risk factor of poor prognosis in patients with heart failure (HF). The prevalence and prognostic impact of the pre-diabetic state, however, are not well understood. METHODS AND RESULTS One hundred and thirty-six consecutive patients admitted due to HF were included in this prospective study. The 75-g oral glucose(More)
BACKGROUND Brugada-type ECG (Br-ECG) is occasionally observed during acute myocardial ischemia of the right ventricular outflow tract (RVOT). No studies have explored, however, the association of ventricular tachyarrhythmia and development of Br-ECG due to acute ischemia of the RVOT.Methods and Results:The study included 13 consecutive patients with acute(More)
A 26-year-old woman in her first pregnancy presented with persistent atrial tachycardia (AT). AT was resistant to medications, cardioversions, and the first attempt of catheter ablation. Two months after delivery she developed severe systolic dysfunction and circulatory collapse. Emergent catheter ablation was performed with the support of percutaneous(More)
BACKGROUND AND PURPOSE Severe chronic kidney disease (CKD) is a risk factor for hemorrhagic events in atrial fibrillation (AF) patients on anticoagulation therapy. We postulated that even moderate CKD may be a risk factor for hemorrhage and this recognition would improve predictive capabilities of hemorrhagic risk stratification models in Japanese patients.(More)
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