Euihong Ko

ORCID: 0000-0001-6752-7614
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About
Contact & Profiles
Research Areas
  • Cardiac Valve Diseases and Treatments
  • Coronary Interventions and Diagnostics
  • Cardiac Imaging and Diagnostics
  • Infective Endocarditis Diagnosis and Management
  • Cardiac, Anesthesia and Surgical Outcomes
  • Cardiovascular Function and Risk Factors
  • Atrial Fibrillation Management and Outcomes
  • Lipoproteins and Cardiovascular Health
  • Cardiac pacing and defibrillation studies
  • Acute Myocardial Infarction Research
  • Antiplatelet Therapy and Cardiovascular Diseases
  • Aortic aneurysm repair treatments
  • Peripheral Artery Disease Management
  • Aortic Disease and Treatment Approaches
  • Cardiac Arrhythmias and Treatments
  • Photoacoustic and Ultrasonic Imaging
  • Heart Failure Treatment and Management
  • Optical Coherence Tomography Applications
  • Cardiac tumors and thrombi
  • Intensive Care Unit Cognitive Disorders
  • Diabetes Treatment and Management
  • Mechanical Circulatory Support Devices
  • Health Systems, Economic Evaluations, Quality of Life
  • Renal and Vascular Pathologies
  • Atherosclerosis and Cardiovascular Diseases

Kokura Memorial Hospital
2022-2025

National Taiwan University Hospital
2023

University of Ulsan
2018-2022

Asan Medical Center
2018-2022

Ulsan College
2018-2022

Japanese Red Cross Society Wakayama Medical Center
2013-2021

Municipal Hirakata City Hospital
2017-2019

Kyoto University
2017

Minami Wakayama Medical Center
2015

Toyohashi Heart Center
2010-2013

Frequency-domain optical coherence tomography (FD-OCT) is a novel, high resolution intravascular imaging modality. Intravascular ultrasound (IVUS) widely used conventional modality for achieving optimal stent deployment. The aim of this study was to evaluate the impact FD-OCT guidance coronary implantation compared with IVUS guidance.A total 70 patients de novo artery lesions and either unstable or stable angina pectoris were enrolled in randomized (optical [OCT] group: n=35, n=35). In OCT...

10.1161/circinterventions.111.965111 article EN Circulation Cardiovascular Interventions 2012-03-29
Tomohiko Taniguchi Takeshi Morimoto Hiroki Shiomi Kenji Andò Norio Kanamori and 95 more Koichiro Murata Takeshi Kitai Kazushige Kadota Chisato Izumi Kenji Nakatsuma Tomoki Sasa Hirotoshi Watanabe Yasuhide Kuwabara Takeru Makiyama Koh Ono Satoshi Shizuta Takao Kato Naritatsu Saito Kenji Minatoya Takeshi Kimura Takeshi Kimura Tomohiko Taniguchi Hiroki Shiomi Naritatsu Saito Masao Imai Junichi Tazaki Toshiaki Toyota Hirooki Higami Tetsuma Kawaji Kenji Andò Shinichi Shirai Kengo Kourai Takeshi Arita Shiro Miura Kyohei Yamaji Takeshi Aoyama Norio Kanamori Tomoya Onodera Koichiro Murata Yutaka Furukawa Takeshi Kitai Kitae Kim Kazushige Kadota Yuichi Kawase Keiichiro Iwasaki Hiroshi Miyawaki Ayumi Misao Akimune Kuwayama Masanobu Ohya Takenobu Shimada Hidewo Amano Yoshihisa Nakagawa Chisato Izumi Makoto Miyake Masashi Amano Y. Takahashi Yusuke Yoshikawa Shunsuke Nishimura Maiko Kuroda Manabu Shirotani Hirokazu Mitsuoka Shinji Miki Tetsu Mizoguchi Masashi Kato Takafumi Yokomatsu Akihiro Kushiyama Hidenori Yaku Toshimitsu Watanabe Shunichi Miyazaki Yutaka Hirano Mitsuo Matsuda Shintaro Matsuda Sachiko Sugioka Tsukasa Inada Kazuya Nagao Naoki Takahashi Kohei Fukuchi Tomoyuki Murakami Hiroshi Mabuchi Teruki Takeda Tomoko Sakaguchi Keiko Maeda Masayuki Yamaji Motoyoshi Maenaka Yutaka Tadano Hiroki Sakamoto Yasuyo Takeuchi Makoto Motooka Ryusuke Nishikawa Hiroshi Eizawa Keiichiro Yamane Mitsunori Kawato Minako Kinoshita Kenji Aida Takashi Tamura Mamoru Toyofuku Kousuke Takahashi Euihong Ko Masaharu Akao Mitsuru Ishii

10.1016/j.jcin.2017.08.036 article EN publisher-specific-oa КАРДИОЛОГИЯ УЗБЕКИСТАНА 2017-12-27

Background: It is unknown whether the direct oral anticoagulant edoxaban can reduce leaflet thrombosis and accompanying cerebral thromboembolic risk after transcatheter aortic valve replacement. In addition, causal relationship of subclinical with thromboembolism neurological or neurocognitive dysfunction remains unclear. Methods: We conducted a multicenter, open-label randomized trial comparing dual antiplatelet therapy (aspirin plus clopidogrel) in patients who had undergone successful...

10.1161/circulationaha.122.059512 article EN Circulation 2022-04-04

Abstract Aims Sodium‐glucose cotransporter 2 (SGLT2) inhibitors (SGLT2i) have demonstrated effectiveness in reducing cardiovascular death and heart failure hospitalization (HFH). However, the efficacy safety of SGLT2 elderly patients with poor general status, such as very low bodyweight or nutritional who are not included randomized controlled trials, has yet been examined. In a real‐world setting, introduction to is difficult decision make. We therefore examined these drugs setting. Methods...

10.1002/ehf2.15218 article EN cc-by-nc ESC Heart Failure 2025-01-20
Kazuya Nagao Tomohiko Taniguchi Takeshi Morimoto Hiroki Shiomi Kenji Andò and 95 more Norio Kanamori Koichiro Murata Takeshi Kitai Yuichi Kawase Chisato Izumi Makoto Miyake Hirokazu Mitsuoka Masashi Kato Yutaka Hirano Shintaro Matsuda Tsukasa Inada Tomoyuki Murakami Yasuyo Takeuchi Keiichiro Yamane Mamoru Toyofuku Mitsuru Ishii Eri Minamino‐Muta Takao Kato Moriaki Inoko Tomoyuki Ikeda Akihiro Komasa Katsuhisa Ishii Kozo Hotta Nobuya Higashitani Yoshihiro Kato Yasutaka Inuzuka Chiyo Maeda Toshikazu Jinnai Yuko Morikami Naritatsu Saito Kenji Minatoya Takeshi Kimura Naoki Takahashi Kohei Fukuchi Masao Imai Junichi Tazaki Toshiaki Toyota Hirooki Higami Tetsuma Kawaji Shinichi Shirai Kengo Kourai Takeshi Arita Shiro Miura Kyohei Yamaji Tomoya Onodera Yutaka Furukawa Kitae Kim Kazushige Kadota Keiichiro Iwasaki Hiroshi Miyawaki Ayumi Misao Akimune Kuwayama Masanobu Ohya Takenobu Shimada Hidewo Amano Yoshihisa Nakagawa Masashi Amano Yusuke Takahashi Yusuke Yoshikawa Shunsuke Nishimura Maiko Kuroda Manabu Shirotani Shinji Miki Tetsu Mizoguchi Takafumi Yokomatsu Akihiro Kushiyama Hidenori Yaku Toshimitsu Watanabe Shunichi Miyazaki Teruki Takeda Tomoko Sakaguchi Keiko Maeda Masayuki Yamaji Motoyoshi Maenaka Yutaka Tadano Hiroki Sakamoto Makoto Motooka Ryusuke Nishikawa Hiroshi Eizawa Mitsunori Kawato Minako Kinoshita Kenji Aida Takashi Tamura Kousuke Takahashi Euihong Ko Masaharu Akao Nobutoyo Masunaga Hisashi Ogawa Moritake Iguchi Takashi Unoki Kensuke Takabayashi Yasuhiro Hamatani Yugo Yamashita Yoshihiro Himura Yukihito Sato

Abstract Prognostic impact of anemia complicating severe aortic stenosis (AS) remains unclear. We assessed the on cardiovascular and bleeding outcomes in 3403 patients enrolled CURRENT AS registry. 835 (25%) had mild (hemoglobin 11.0–12.9 g/dl for men/11.0–11.9 women) 1282 (38%) moderate/severe (Hb ≤ 10.9 g/dl) at diagnosis AS. Mild were associated with significantly increased risks relative to no ≥13.0 men/≥12.0 primary outcome measure (aortic valve-related death or heart failure...

10.1038/s41598-018-36066-z article EN cc-by Scientific Reports 2019-02-13

Background Data are still limited regarding whether there differential long-term outcomes after percutaneous coronary intervention versus artery bypass grafting (CABG) for left main disease with or without diabetes mellitus (DM). Methods and Results Using the 10-year data from MAIN-COMPARE (Revascularization Unprotected Left Main Coronary Artery Stenosis: Comparison of Percutaneous Angioplasty Versus Surgical Revascularization) registry, we sought to examine effect DM on comparative CABG in...

10.1161/jaha.119.015372 article EN cc-by-nc-nd Journal of the American Heart Association 2020-04-20
Norio Kanamori Tomohiko Taniguchi Takeshi Morimoto Hirotoshi Watanabe Hiroki Shiomi and 95 more Kenji Andò Koichiro Murata Takeshi Kitai Yuichi Kawase Chisato Izumi Makoto Miyake Hirokazu Mitsuoka Masashi Kato Yutaka Hirano Shintaro Matsuda Kazuya Nagao Tsukasa Inada Hiroshi Mabuchi Yasuyo Takeuchi Keiichiro Yamane Mamoru Toyofuku Mitsuru Ishii Eri Minamino‐Muta Takao Kato Moriaki Inoko Tomoyuki Ikeda Akihiro Komasa Katsuhisa Ishii Kozo Hotta Nobuya Higashitani Yoshihiro Kato Yasutaka Inuzuka Chiyo Maeda Toshikazu Jinnai Yuko Morikami Naritatsu Saito Kenji Minatoya Takeshi Aoyama Takeshi Kimura Ryuzo Sakata Masao Imai Junichi Tazaki Toshiaki Toyota Hirooki Higami Tetsuma Kawaji Shinichi Shirai Kengo Korai Takeshi Arita Shiro Miura Kyohei Yamaji Kitae Kim Keiichiro Iwasaki Hiroshi Miyawaki Ayumi Misao Akimune Kuwayama Masanobu Ohya Takenobu Shimada Hidewo Amano Masashi Amano Y. Takahashi Yusuke Yoshikawa Shunsuke Nishimura Maiko Kuroda Tetsu Mizoguchi Takafumi Yokomatsu Akihiro Kushiyama Hidenori Yaku Toshimitsu Watanabe Sachiko Sugioka Naoki Takahashi Kohei Fukuchi Teruki Takeda Tomoko Sakaguchi Keiko Maeda Masayuki Yamaji Motoyoshi Maenaka Yutaka Tadano Makoto Motooka Ryusuke Nishikawa Mitsunori Kawato Minako Kinoshita Kenji Aida Kousuke Takahashi Euihong Ko Nobutoyo Masunaga Hisashi Ogawa Moritake Iguchi Takashi Unoki Kensuke Takabayashi Yasuhiro Hamatani Yugo Yamashita Shuhei Tsuji Soji Nishio Jyunya Seki Miho Yamada Akira Kawamoto Kouji Sogabe Michiya Tachiiri Yukiko Matsumura Chihiro Ota

Background Data are scarce on the role of aortic valve area (AVA) to identify those patients with asymptomatic severe stenosis (AS) who at high risk adverse events. We sought explore prognostic impact AVA in AS a large observational database. Methods and Results Among 3815 consecutive enrolled CURRENT (Contemporary Outcomes After Surgery Medical Treatment Patients With Severe Aortic Stenosis) registry, present study included 1309 conservatively managed left ventricular ejection fraction...

10.1161/jaha.118.010198 article EN cc-by-nc-nd Journal of the American Heart Association 2019-02-02

A high permanent pacemaker implantation (PPI) risk remains a concern of self-expandable transcatheter aortic valve implantation, despite the continued improvements in methodology. We aimed to assess impact real-time direct visualization membranous septum using transjugular intracardiac echocardiography (ICE) during on reducing rates conduction disturbances including need for PPI.

10.1161/circinterventions.123.013094 article EN Circulation Cardiovascular Interventions 2023-12-28

Abstract Aims This study aimed to assess the impact of valvular/subvalvular calcium burden on procedural and long-term outcomes in patients undergoing transcatheter aortic valve replacement (TAVR) for severe stenosis (AS). Methods results In this prospective observational cohort study, we included with AS TAVR between March 2010 December 2019. Calcium at baseline was quantified using multidetector computed tomography were classified into tertile groups according amount calcium. Procedural...

10.1093/ehjci/jeab180 article EN European Heart Journal - Cardiovascular Imaging 2021-09-07

In the Asian cohort, data are limited on risk for coronary obstruction due to sinus of Valsalva (SOV) sequestration in redo transcatheter aortic valve replacement (TAVR) procedures.

10.1016/j.jacasi.2023.09.004 article EN cc-by JACC Asia 2023-10-31

It is still uncertain whether the final kissing balloon technique (FKBT) mandatory after crossover stenting for left main coronary artery (LMCA). Assessing Optimal Percutaneous Coronary Intervention LMCA (AOI-LMCA) registry, a 6-center retrospective enrolled 1809 consecutive patients in Japan. In present analysis, 5-year clinical outcomes were compared between non-FKBT (n = 160) and FKBT 578) groups treated with drug-eluting stents from to anterior descending artery. Propensity score-matched...

10.1007/s12928-018-0522-0 article EN cc-by Cardiovascular Intervention and Therapeutics 2018-04-24
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