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Yasuaki Koyama

A new method to detect cerebral blood flow waveform in synchrony with chest compression by near-infrared spectroscopy during CPR
2013 · Yasuaki Koyama, Takafumi Wada, et al. · The American Journal of Emergency Medicine · 50
Association of ketamine use with lower risks of post-intubation hypotension in hemodynamically-unstable patients in the emergency department
2019 · Tadayoshi Ishimaru, Tadahiro Goto, et al. · Scientific Reports · 38
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Mechanical Cardiopulmonary Resuscitation and Hospital Survival Among Adult Patients With Nontraumatic Out‐of‐Hospital Cardiac Arrest Attending the Emergency Department: A Prospective, Multicenter, Observational Study in Japan (SOS‐KANTO [Survey of Survivors after Out‐of‐Hospital Cardiac Arrest in Kanto Area] 2012 Study)
2017 · Kei Hayashida, Takashi Tagami, et al. · Journal of the American Heart Association · 30
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A New Rule for Terminating Resuscitation of Out-of-Hospital Cardiac Arrest Patients in Japan: A Prospective Study
2017 · Sadaki Inokuchi, Yoshihiro Masui, et al. · Journal of Emergency Medicine · 27
A comparison of the force applied on oral structures during intubation attempts between the Pentax-AWS airwayscope and the Macintosh laryngoscope: a high-fidelity simulator-based study
2014 · Tadahiro Goto, Yasuaki Koyama, et al. · BMJ Open · 25
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Comparison of the force applied on oral structures during intubation attempts by novice physicians between the Macintosh direct laryngoscope, Airway Scope and C-MAC PM: a high-fidelity simulator-based study
2016 · Taizo Nakanishi, Takashi Shiga, et al. · BMJ Open · 20
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Save the ICU and save lives during the COVID-19 pandemic
2020 · Japan ECMOnet for COVID-19, Ryuzo Abe, et al. · Journal of Intensive Care · 19
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Effectiveness of Near-Infrared Spectroscopy (NIRO-200NX, Pulse Mode) for Risk Management in Carotid Artery Stenting
2019 · Toshitsugu Terakado, Aiki Marushima, et al. · World Neurosurgery · 19
Association between haemodynamics during cardiopulmonary resuscitation and patient outcomes
2021 · Yasuaki Koyama, Tasuku Matsuyama, et al. · Resuscitation · 18
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Longitudinal acquisition of endotracheal intubation skills in novice physicians
2017 · Shinya Takeuchi, Takashi Shiga, et al. · PLoS ONE · 15
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Efficacy of concomitant use of dexmedetomidine and propofol in tetanus
2015 · Ken Miya, Nobutake Shimojo, et al. · The American Journal of Emergency Medicine · 15
The Vasopressin Loading for Refractory septic shock (VALOR) study: a prospective observational study
2023 · Kensuke Nakamura, Hidehiko Nakano, et al. · Critical Care · 14
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Relationship Between Institutional Volume of Out-of-Hospital Cardiac Arrest Cases and 1-Month Neurologic Outcomes: A Post Hoc Analysis of a Prospective Observational Study
2020 · Masahiro Kashiura, Shunsuke Amagasa, et al. · Journal of Emergency Medicine · 13
Impact of Persistent Inflammation, Immunosuppression, and Catabolism Syndrome during Intensive Care Admission on Each Post-Intensive Care Syndrome Component in a PICS Clinic
2023 · Shinya Suganuma, Masafumi Idei, et al. · Journal of Clinical Medicine · 11
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Improving the neurological prognosis following OHCA using real-time evaluation of cerebral tissue oxygenation
2017 · Yasuaki Koyama, Yoshiaki Inoue, et al. · The American Journal of Emergency Medicine · 11
Influence of psychiatric or social backgrounds on clinical decision making: a randomized, controlled multi-centre study
2019 · Yosuke Yamauchi, Takashi Shiga, et al. · BMC Medical Education · 9
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Risk factors for prolonged intensive care unit and hospital stay among patients with acute drug overdose in Japan
2020 · Yuka Okazaki, Nobutake Shimojo, et al. · Acute Medicine & Surgery · 8
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Adequacy of compression positioning using the feedback device during chest compressions by medical staff in a simulation study
2022 · Yasuaki Koyama, Tasuku Matsuyama, et al. · BMC Emergency Medicine · 7
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Blood flow forward into the artery and backward into the vein during chest compression in out-of-hospital cardiac arrest
2019 · Yasuaki Koyama, Tasuku Matsuyama, et al. · Resuscitation · 7
Effects of Manual Rib Cage Compressions on Mucus Clearance in Mechanically Ventilated Pigs
2020 · Akira Ouchi, Hideaki Sakuramoto, et al. · Respiratory Care · 6
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Acute mitral valve regurgitation causing severe alveolar hemorrhage
2020 · Ayaka Sakamoto, Yuki Enomoto, et al. · Acute Medicine & Surgery · 6
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Cerebral Tissue Oxygenation Index Using Near-infrared Spectroscopy during Extracorporeal Cardio-pulmonary Resuscitation Predicted Good Neurological Recovery in a Patient with Acute Severe Anemia
2017 · Yasuaki Koyama, Taro Mizutani, et al. · Internal Medicine · 5
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Differences in Cerebral Oxygenation in Cardiogenic and Respiratory Cardiac Arrest Before, During, and After Cardiopulmonary Resuscitation
2023 · Yasuaki Koyama, Akira Ouchi, et al. · Journal of Clinical Medicine · 4
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Real-Time Monitoring of Cerebrovascular Insufficiency due to Emergent Large Vessel Occlusion Using Near-Infrared Spectroscopy Based on the Modified Beer–Lambert Law: A Retrospective Study
2025 · Sho Okune, Aiki Marushima, et al. · World Neurosurgery · 3
Successful use of methylene blue for catecholamine‐refractory vasoplegic shock due to metformin intoxication: A case report and literature review
2024 · Yuji Takahashi, Hidehiko Nakano, et al. · Acute Medicine & Surgery · 3
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Works count: 59
Citation count: 409
H-index: 13
I10-index: 15
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