Junjiroh Koyama

Right atrial rupture due to cardiac angiosarcoma without haemodynamic collapse: a case report of successful multidisciplinary management

Toshiki Fukuda, Yoko Horibata, Mamoru Ito, Takeshi Iwasaki et autres

Abstract Background Malignant tumours account for approximately 20%–30% of primary cardiac tumours, and reports remain rare. Cardiac angiosarcoma is a representative type, but prognosis is extremely poor: the median survival is about 4 months in unresectable cases and 14 months after complete …

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PO-01-020 COMPARISON OF HEMOLYSIS AND ACUTE KIDNEY INJURY AFTER PULMONARY VEIN ISOLATION FOR ATRIAL FIBRILLATION BETWEEN PULSED FIELD ABLATION AND RADIOFREQUENCY ABLATION

Hideharu Okamatsu, Ken Okumura, Taiji Inamori, Kakeru Tomaru et autres

PO-FPI-314 THE IMPACT OF ACUTE MYOCARDIAL INFARCTION TREATMENT ON SCAR-RELATED VENTRICULAR TACHYCARDIA ABLATION OUTCOMES: TITAN-VT STUDY

Takuro Nishimura, Maiko Kuroda, Yuki Komatsu, Takayuki Kitai et autres

PO-01-067 HELT-E2S2 SCORE, AN ATRIAL FIBRILLATION RISK SCORE, BETTER PREDICTS LEFT ATRIAL STASIS INDEPENDENT OF RHYTHM THAN CHADS2 SCORE

Kodai Negishi, Ken Okumura, Hideharu Okamatsu, Junjiroh Koyama

Catheter Ablation Outcomes and Life Expectancy in Very Elderly Atrial Fibrillation Patients

Shu Hirata, Yasuo Okumura, Koichi Nagashima, Ryuta Watanabe et autres

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Abstract 4369472: Impella-Induced Aortic Regurgitation diminishes the effectiveness of Impella support at a clinically typical afterload: Insights from a Pulsatile Mock Circulation Model

Takashi Unoki, Takuya Nishikawa, Masahiro Otake, Tomohiro Sakamoto et autres

Background: The Impella device provides percutaneous left ventricular support but may induce aortic regurgitation (AR) due to its transvalvular placement. In this study, we defined Impella-induced AR as consisting of two components: backward flow through the Impella cannula (Impella retrograde flow) and …

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Prospective Multicenter Registry to Investigate the Clinical Feasibility of Combination Workflow With 90 W/4 s and Ablation Index‐Guided 50 W Ablation (PRECISE—COMBO 90 W/50 W Study)

Yuji Saito, Ryuta Watanabe, Koichi Nagashima, Yuji Wakamatsu et autres

Background: High-power short-duration (HPSD) ablation is an established therapy for pulmonary vein (PV) isolation (PVI) in atrial fibrillation (AF), aiming to form efficient transmural lesions. Very HPSD (vHPSD) can further shorten ablation time but may increase the risk of acute PVI failure …

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PO-03-016 COMPARISON OF THE EFFECTIVENESS AND SAFETY BETWEEN 60W, 4-SECOND AND 90W, 4-SECOND RADIOFREQUENCY APPLICATIONS TO THE POSTERIOR WALL ON THE ESOPHAGUS IN PULMONARY VEIN ISOLATION: A PILOT STUDY

Hideharu Okamatsu, Ken Okumura, Yoshiro Sakai, Hisashi Itoshima et autres

Impact of ECPELLA support on 1-year outcomes and myocardial damage in patients with acute myocardial infarction and refractory cardiogenic shock: A single-center retrospective observational study

Takashi Unoki, Tomoko Nakayama, Keita Saku, Hiroki Matsushita et autres

BACKGROUND: Venoarterial-extracorporeal membrane oxygenation (VA-ECMO) is a vital mechanical circulatory support for treating patients with refractory cardiogenic shock (CS). VA-ECMO can improve end-organ perfusion; however, it increases left ventricular (LV) afterload, resulting in further myocardial damage. ECPELLA, a combination of VA-ECMO and …

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A case of left atrial thrombus detected by intra-left atrial echocardiography

Takuo Tsurugi, Ken Okumura, Yoko Horibata, Tomohiro Sakamoto et autres

Pulmonary vein isolation (PVI) is a cornerstone of atrial fibrillation (AF) ablation. Because the PVI procedure needs a complex catheter manipulation in the left atrium (LA), it is accompanied by relevant complications.1,2 The recent Japanese Catheter Ablation registry showed a 3.2% incidence …

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Global Results of Implantable Loop Recorder for Detection of Atrial Fibrillation After Stroke: Reveal LINQ Registry

Ḱazunori Toyoda, Kengo Kusano, Yasuyuki Iguchi, Takanori Ikeda et autres

Background We aimed to quantify the incidence of atrial fibrillation (AF) in patients with cryptogenic stroke globally, as well as separately in patients in and outside of Japan, using an implantable loop recorder from a prospective, observational, Reveal LINQ Registry. Methods and …

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Impact of extracorporeal cardiopulmonary resuscitation with ECPELLA on improvement of short-term survival in patients with refractory cardiac arrest

Toru Inamori, Takashi Unoki, Tomoko Nakayama, Motonobu Anai et autres

Abstract Background Extracorporeal cardiopulmonary resuscitation (E-CPR) is considered for cardiac arrest (CA) patients when conventional CPR is ineffective. While veno-arterial extracorporeal membrane oxygenation (VA-ECMO) robustly maintains systemic perfusion, it also increases left ventricular (LV) afterload. Recently, the transcatheter LV assist device Impella …

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