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Dive into the research topics where Mie Seya is active.

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Featured researches published by Mie Seya.


Journal of Cardiology | 2013

Tolvaptan reduces the risk of worsening renal function in patients with acute decompensated heart failure in high-risk population

Yuya Matsue; Makoto Suzuki; Mie Seya; Ryota Iwatsuka; Akira Mizukami; Wataru Nagahori; Masakazu Ohno; Akihiko Matsumura; Yuji Hashimoto

BACKGROUND Although tolvaptan is a recently approved drug for heart failure and causes aquaresis without affecting renal function, its clinical efficacy for patients with acute decompensated heart failure (ADHF) is yet to be elucidated. METHODS AND RESULTS We conducted a prospective observational study in patients with ADHF and high risk for worsening renal function (WRF). Risk stratification for WRF was done by scoring system. Of 174 patients, 114 patients were included as high-risk population for WRF. Incidence of WRF, urine output within 24h and 48 h, and changes in brain natriuretic peptide (BNP) were recorded in 44 patients treated with tolvaptan plus conventional therapy, and 70 patients with only conventional therapy. Urine output at 24h and 48 h after admission were both significantly higher in the tolvaptan group (p=0.001 and <0.001, respectively), and changes in BNP were not significantly different (p=0.351). However, the incidence of WRF was significantly lower in the tolvaptan group compared to the conventional group (22.7% vs 41.4%, p=0.045). Logistic regression analysis showed that treatment with tolvaptan was an independent factor for reducing WRF (hazard ratio 0.28, 95% confidence interval; 0.10-0.84; p=0.023). CONCLUSION In patients with ADHF with high risk of WRF, treatment with tolvaptan could prevent WRF compared to conventional therapy.


Heart and Vessels | 2013

Prognostic implications of chronic kidney disease and anemia after percutaneous coronary intervention in acute myocardial infarction patients

Yuya Matsue; Akihiko Matsumura; Masami Abe; Maki Ono; Mie Seya; Tomofumi Nakamura; Ryota Iwatsuka; Akira Mizukami; Masahiko Setoguchi; Wataru Nagahori; Masakazu Ohno; Makoto Suzuki; Yuji Hashimoto

Anemia is a common complication of chronic kidney disease (CKD), and a few studies suggest that both CKD and anemia have a marked impact on the prognosis of patients with cardiovascular disease. We retrospectively analyzed the prevalence of CKD and anemia in 312 patients with acute myocardial infarction (AMI). The patients were divided into four groups according to the presence of CKD and anemia. Chronic kidney disease was defined as estimated glomerular filtration rate <60 ml/min/1.73 m2, and anemia was defined according to the World Health Organization definition. Of 312 AMI patients, 166 (53.2%) had CKD and 87 (27.8%) had anemia. A powerful relationship was observed between both CKD and anemia and major adverse cardiac and cerebrovascular events (MACCE) or death by any cause. After adjustment for comorbidities, the hazard ratio (HR) for MACCE was significantly higher in the anemia-only group (HR 5.42, 95% confidence interval (CI) 1.38–21.27, P = 0.015), the CKD-only group (HR 6.4, 95% CI 2.09–19.58, P = 0.001), and the CKD and anemia group (HR 11.61, 95% CI 3.65–36.89, P < 0.001). With respect to death by any cause, the HR was significantly higher in the CKD-only group (HR 2.68, 95% CI 1.02–7.02, P = 0.045) and the CKD and anemia group (HR 4.40, 95% CI 1.56–12.43, P = 0.005). One-half of the patients with AMI had CKD as well. Furthermore, when anemia coexisted with CKD, these conditions had a multiplicative amplification effect on the risk of MACCE and death by any cause in patients with AMI.


Journal of Arrhythmia | 2011

A Case of Atrial Lead Dislodgement after Surgery for Lung Cancer

Rena Nakamura; Akira Mizukami; Masami Abe; Maki Ono; Seigo Yoshida; Mie Seya; Yuya Matsue; Masahiko Setoguchi; Masakazu Ohno; Makoto Suzuki; Akihiko Matsumura; Yuji Hashimoto

Case is a 77 years-old female. She started having episodes of palpitations followed by pre-syncope from 3 months ago. Holter ECG was performed which revealed runs of paroxysmal atrial fibrillation followed by sinus pause up to 4.3 seconds, which was consistent with the symptoms. With the diagnosis of bradycardia-tachycardia syndrome, DDD pacemaker implantation was performed. Tined leads were implanted to right atrial appendage and right ventricular apex without any complications. Shortly after the pacemaker implantation, patient was found to have left lung cancer. Left upper lobe resection and broad partial left lower lobe resection was performed 3 months after the pacemaker implantation. Two days after the surgery, monitor ECG revealed atrial lead sensing and pacing failure, and atrial lead dislodgement was observed on chest rentogenography. The left lung resection caused the mediastinum to shift leftward, resulting in advancement of the leads which lead to the dislodgement. Atrial lead repositioning was performed which only needed a short pull of the lead. We report a case of atrial lead dislodgement after surgery for lung cancer due to the shift of the mediastinum.


Journal of Atherosclerosis and Thrombosis | 2011

Endothelial dysfunction in paroxysmal atrial fibrillation as a prothrombotic state. Comparison with permanent/persistent atrial fibrillation.

Yuya Matsue; Makoto Suzuki; Masami Abe; Maki Ono; Mie Seya; Tomofumi Nakamura; Ryota Iwatsuka; Akira Mizukami; Kentarou Toyama; Leon Kumasaka; Keita Handa; Wataru Nagahori; Masakazu Ohno; Akihiko Matsumura; Yuji Hashimoto


Circulation | 2011

Prevalence and Prognostic Implications of Pre-Diabetic State in Patients With Heart Failure

Yuya Matsue; Makoto Suzuki; Rena Nakamura; Masami Abe; Maki Ono; Seigo Yoshida; Mie Seya; Ryota Iwatsuka; Akira Mizukami; Masahiko Setoguchi; Wataru Nagahori; Masakazu Ohno; Akihiko Matsumura; Yuji Hashimoto


Journal of Cardiac Failure | 2014

Importance of Aortic Valve Opening Under Percutaneous Cardiopulmonary Support (PCPS) in Patients with Fulminant Myocarditis; from the 2 Distinctive Cases

Masao Yamaguchi; Taro Sasaoka; Kensuke Hirasawa; Mie Seya; Syunji Yoshikawa; Yasuhiro Maejima; Masahiko Goya; Takashi Ashikaga; Kenzo Hirao; Mitsuaki Isobe


Journal of Cardiac Failure | 2014

Low Dose Carperitide (alpha-hANP) Administration is Effective for Preventing Worsening Renal Function (WRF) and Long-term Renal Protection

Taro Sasaoka; Mie Seya; Yu Hatano; Susumu Tao; Takeshi Sasaki; Shunji Yoshikawa; Yasuhiro Maejima; Mihoko Kawabata; Masahiko Goya; Takashi Ashikaga; Kenzo Hirao; Mitsuaki Isobe


Journal of Cardiac Failure | 2014

Cardiac Sarcoidosis with Ventricular Tachycardia And Echocardiography

Mie Seya; Taro Sasaoka; Kensuke Hirasawa; Shunji Yoshikawa; Yasuhiro Maejima; Mihoko Kawabata; Masahiko Goya; Takashi Ashikaga; Kenzo Hirao; Mitsuaki Isobe


Journal of Cardiac Failure | 2014

Effectiveness of Carperitide for Preventing Worsening Renal Function (WRF) in Patients with Heart Failure

Taro Sasaoka; Mie Seya; Shunji Yoshikawa; Yasuhiro Maejima; Masahiko Goya; Takashi Ashikaga; Kenzo Hirao; Mitsuaki Isobe


Journal of Cardiac Failure | 2013

Renal Protective Effect of Low Dose Carperitide (alpha-hANP) Administration in Patients with Heart Failure: From the Data of 2 Years Follow-Up in Real World Clinical Settings

Mie Seya; Taro Sasaoka; Ken Kurihara; Shunji Yoshikawa; Yasuhiro Yokoyama; Takashi Ashikaga; Kenzo Hirao; Mitsuaki Isobe

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Mitsuaki Isobe

Tokyo Medical and Dental University

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Yuji Hashimoto

Tokyo Medical and Dental University

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Akihiko Matsumura

Tokyo Medical and Dental University

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Kenzo Hirao

Tokyo Medical and Dental University

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Yuya Matsue

University Medical Center Groningen

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Masakazu Ohno

Tokyo Medical and Dental University

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Maki Ono

Tokyo Medical and Dental University

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Mihoko Kawabata

Tokyo Medical and Dental University

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Tomofumi Nakamura

Tokyo Medical and Dental University

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