Kazumasa Ohara

Chronic Kidney Disease and CHADS2 Score Independently Predict Cardiovascular Events and Mortality in Patients With Nonvalvular Atrial Fibrillation

Keiko Nakagawa, Tadakazu Hirai, Shutaro Takashima et al. · The American Journal of Cardiology · 2011 · 95 citations

Medicine, Cardiology, Nephrology +10

Accumulation of risk factors enhances the prothrombotic state in atrial fibrillation

Kazumasa Ohara, Hiroshi Inoue, Takashi Nozawa et al. · International Journal of Cardiology · 2007 · 60 citations

Medicine, Cardiology, Pharmacology +12

Relation of left atrial blood stasis to clinical risk factors in atrial fibrillation

Kazumasa Ohara, Tadakazu Hirai, Nobuyuki Fukuda et al. · International Journal of Cardiology · 2008 · 30 citations

Medicine, Cardiology, Internal Medicine +15

Hyperuricemia and Transesophageal Echocardiographic Thromboembolic Risk in Patients With Atrial Fibrillation at Clinically Low-Intermediate Risk

Satoshi Numa, Tadakazu Hirai, Keiko Nakagawa et al. · Circulation Journal · 2014 · 27 citations · Full text

Medicine, Cardiology, Internal Medicine +17

Clinical and transesophageal echocardiographic variables for prediction of thromboembolic events in patients with nonvalvular atrial fibrillation at low-intermediate risk

Etsuko Sasahara, Keiko Nakagawa, Tadakazu Hirai et al. · Journal of Cardiology · 2012 · 18 citations · Full text

Medicine, Cardiology, Clinical Cardiology +15