Publications by authors named "Hideki Okayama"

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Optimal Intravascular Ultrasound-Guided Percutaneous Coronary Intervention in Patients With Left Main Coronary Artery Disease: The OPTIVUS-Complex PCI Study LMCA Cohort.
Ryusuke Nishikawa, Hiroki Shiomi, Ko Yamamoto, Takeshi Morimoto, Akiyoshi Miyazawa, Hideki Okayama

Am J Cardiol· January 2026

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ST-Elevation Myocardial Infarction in a Young Man With Moyamoya Disease.
Mina Yamashita, Hideki Okayama, Tsukasa Kurokawa, Go Kawamura

JACC Case Rep· December 2025

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Prasugrel monotherapy versus 12-month dual antiplatelet therapy in STEMI patients undergoing intravascular imaging-guided PCI: Study design and rationale of the randomized PREMIUM trial.
Kuniaki Takahashi, Ken Kozuma, Yoshihiro Morino, Kosuke Kashiwabara, Hiromasa Otake, Hideki Okayama

Cardiovasc Revasc Med· December 2025

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Aspirin vs Clopidogrel 1 Month After Acute Coronary Syndrome With High-Bleeding Risk or ST-Segment Elevation.
Yuki Obayashi, Masahiro Natsuaki, Hirotoshi Watanabe, Takeshi Morimoto, Ko Yamamoto, Hideki Okayama

JACC Cardiovasc Interv· September 2025

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Clinical significance of splenic switch-off in adenosine triphosphate N-ammonia positron emission tomography in patients without coronary artery disease.
Kentaro Ohara, Naoto Kawaguchi, Hideki Okayama, Hitomi Ueda, Ryutaro Ueno

Jpn J Radiol· July 2025

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Efficacy of Adaptive Servo-Ventilation in Worsening Heart Failure.
Takayuki Hidaka, Takeshi Tada, Hideaki Suzuki, Yuji Nishimoto, Kenji Moriuchi, Hideki Okayama

Int Heart J· July 2025

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Correction to: Target Lesion Revascularization After Intravascular Ultrasound-Guided Percutaneous Coronary Intervention.
Ko Yamamoto, Hiroki Shiomi, Takeshi Morimoto, Akiyoshi Miyazawa, Hiroki Watanabe, Hideki Okayama

Circ Cardiovasc Interv· May 2025

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CORRIGENDUM: Comparison of the OPTIVUS-Complex PCI Multivessel Cohort With the Historical CREDO-Kyoto Registry Cohort-3.
Ko Yamamoto, Hiroki Shiomi, Takeshi Morimoto, Hiroki Watanabe, Akiyoshi Miyazawa, Hideki Okayama

Circ J· January 2025

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CORRIGENDUM: Dual Antiplatelet Therapy Duration After Multivessel Optimal Intravascular Ultrasound-Guided Percutaneous Coronary Intervention.
Ko Yamamoto, Hiroki Shiomi, Takeshi Morimoto, Akiyoshi Miyazawa, Hiroki Watanabe, Hideki Okayama

Circ J· January 2025

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An aspirin-free strategy and optical coherence tomography observations after percutaneous coronary intervention: Insights from the STOPDAPT-3 trial.
Yuki Obayashi, Masahiro Natsuaki, Hirotoshi Watanabe, Takeshi Morimoto, Ko Yamamoto, Hideki Okayama

J Cardiol· November 2024

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CVIT expert consensus document on primary percutaneous coronary intervention (PCI) for acute coronary syndromes (ACS) in 2024.
Yukio Ozaki, Akihiro Tobe, Yoshinobu Onuma, Yoshio Kobayashi, Tetsuya Amano, Hideki Okayama

Cardiovasc Interv Ther· October 2024

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Aspirin-free strategy for percutaneous coronary intervention in acute coronary syndrome based on the subtypes of acute coronary syndrome and high bleeding risk: the STOPDAPT-3 trial.
Yuki Obayashi, Masahiro Natsuaki, Hirotoshi Watanabe, Takeshi Morimoto, Ko Yamamoto, Hideki Okayama

Eur Heart J Cardiovasc Pharmacother· August 2024

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Chronic Effects of Adaptive Servo-Ventilation Therapy on Mortality and the Urgent Rehospitalization Rate in Patients Experiencing Recurrent Admissions for Heart Failure　- A Multicenter Prospective Observational Study (SAVIOR-L).
Yoshihiro Fukumoto, Takeshi Tada, Hideaki Suzuki, Yuji Nishimoto, Kenji Moriuchi, Hideki Okayama

Circ J· April 2024

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Clopidogrel vs Aspirin Monotherapy Beyond 1 Year After Percutaneous Coronary Intervention.
Hirotoshi Watanabe, Takeshi Morimoto, Masahiro Natsuaki, Ko Yamamoto, Yuki Obayashi, Hideki Okayama

J Am Coll Cardiol· January 2024

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Comparison of the OPTIVUS-Complex PCI Multivessel Cohort With the Historical CREDO-Kyoto Registry Cohort-3.
Ko Yamamoto, Hiroki Shiomi, Takeshi Morimoto, Hiroki Watanabe, Akiyoshi Miyazawa, Hideki Okayama

Circ J· October 2023

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Dual Antiplatelet Therapy Duration After Multivessel Optimal Intravascular Ultrasound-Guided Percutaneous Coronary Intervention.
Ko Yamamoto, Hiroki Shiomi, Takeshi Morimoto, Akiyoshi Miyazawa, Hiroki Watanabe, Hideki Okayama

Circ J· October 2023

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Single-Session Versus Staged Multivessel Optimal IVUS-Guided PCI in Patients With CCS or NSTE-ACS.
Ko Yamamoto, Hiroki Shiomi, Takeshi Morimoto, Akiyoshi Miyazawa, Hiroki Watanabe, Hideki Okayama

JACC Asia· August 2023

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Target Lesion Revascularization After Intravascular Ultrasound-Guided Percutaneous Coronary Intervention.
Ko Yamamoto, Hiroki Shiomi, Takeshi Morimoto, Akiyoshi Miyazawa, Hiroki Watanabe, Hideki Okayama

Circ Cardiovasc Interv· May 2023

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Optimal Intravascular Ultrasound-Guided Percutaneous Coronary Intervention in Patients With Multivessel Disease.
Ko Yamamoto, Hiroki Shiomi, Takeshi Morimoto, Hiroki Watanabe, Akiyoshi Miyazawa, Hideki Okayama

JACC Asia· April 2023

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Clinical features and prognosis of isolated cardiac sarcoidosis diagnosed using new guidelines with dedicated FDG PET/CT.
Tomohisa Okada, Naoto Kawaguchi, Masao Miyagawa, Marika Matsuoka, Rami Tashiro, Hideki Okayama

J Nucl Cardiol· February 2023

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Clopidogrel Monotherapy After 1-Month DAPT in Patients With High Bleeding Risk or Complex PCI.
Ko Yamamoto, Hirotoshi Watanabe, Takeshi Morimoto, Yuki Obayashi, Masahiro Natsuaki, Hideki Okayama

JACC Asia· February 2023

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Using a Visual Turing Test to Evaluate the Realism of Generative Adversarial Network (GAN)-Based Synthesized Myocardial Perfusion Images.
Akinori Higaki, Yoshitaka Kawada, Go Hiasa, Tadakatsu Yamada, Hideki Okayama

Cureus· October 2022

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Clopidogrel Monotherapy After 1-Month Dual Antiplatelet Therapy in Percutaneous Coronary Intervention: From the STOPDAPT-2 Total Cohort.
Yuki Obayashi, Hirotoshi Watanabe, Takeshi Morimoto, Ko Yamamoto, Masahiro Natsuaki, Hideki Okayama

Circ Cardiovasc Interv· August 2022

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Predictive value of neutrophil-to-lymphocyte ratio for the fatality of COVID-19 patients complicated with cardiovascular diseases and/or risk factors.
Akinori Higaki, Hideki Okayama, Yoshito Homma, Takahide Sano, Takeshi Kitai

Sci Rep· August 2022

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Bepridil monotherapy failed to prevent coronary vasospasm in a Brugada syndrome patient.
Takuro Kazatani, Akinori Higaki, Yuta Tanaka, Yoshitaka Kawada, Go Hiasa, Hideki Okayama

Oxf Med Case Reports· August 2022

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