Personal information

Emails & domains

Verified email domains

Activities

Collapse all

Employment (3)

University of Tsukuba: Tsukuba, Ibaraki, JP

2024-02-01 to present | Professor (Faculty of Medicine)
Employment
Source: check_circle
University of Tsukuba

NHO National Osaka Hospital: Osaka, JP

2019-06-01 to present (Stroke Neurology)
Employment
Source: Self-asserted source
Hiroshi Yamagami

National Cerebral and Cardiovascular Center: Suita, Ôsaka, JP

2012-04-01 to 2019-05-31 (Devision of Stroke Care Unit)
Employment
Source: Self-asserted source
Hiroshi Yamagami

Works (38)

Image Quality Evaluation for Brain Soft Tissue in Neuroendovascular Treatment by Dose-Reduction Mode of Dual-Axis “Butterfly” Scan

American Journal of Neuroradiology
2025-02 | Journal article
DOI: 10.3174/ajnr.A8472
Contributors: Hisayuki Hosoo; Yoshiro Ito; Koji Hirata; Mikito Hayakawa; Aiki Marushima; Tomohiko Masumoto; Hiroshi Yamagami; Yuji Matsumaru
Source: check_circle
Crossref

Randomized Controlled Trial of Cilostazol Addition for In-Stent Restenosis After Carotid Artery Stenting

Stroke
2024-12 | Journal article
DOI: 10.1161/STROKEAHA.124.047210
Contributors: Hiroshi Yamagami; Tomohiko Ozaki; Kuniaki Ogasawara; Izumi Nagata; Yuji Matsumaru; Shinichi Yoshimura; Makoto Sasaki; Kazuyuki Nagatsuka; Kazuo Minematsu; Yoji Nagai et al.
Source: check_circle
Crossref

Intravenous alteplase before endovascular therapy for acute large vessel occlusion with large ischemic core: subanalysis of a randomized clinical trial

Journal of NeuroInterventional Surgery
2024-11 | Journal article
DOI: 10.1136/jnis-2023-020846
Contributors: Seigo Shindo; Kazutaka Uchida; Shinichi Yoshimura; Nobuyuki Sakai; Hiroshi Yamagami; Kazunori Toyoda; Yuji Matsumaru; Yasushi Matsumoto; Kazumi Kimura; Reiichi Ishikura et al.
Source: check_circle
Crossref

Detrimental Effect of Acute Hyperglycemia on the Outcomes of Large Ischemic Region Stroke

Journal of the American Heart Association
2024-11-22 | Journal article
DOI: 10.1161/JAHA.124.034556
Contributors: Kanta Tanaka; Takeshi Yoshimoto; Junpei Koge; Hiroshi Yamagami; Hirotoshi Imamura; Nobuyuki Sakai; Kazutaka Uchida; Mikiya Beppu; Yuji Matsumaru; Yasushi Matsumoto et al.
Source: check_circle
Crossref

Treatment practice of vasospasm during endovascular thrombectomy: an international survey

Stroke and Vascular Neurology
2024-10 | Journal article
DOI: 10.1136/svn-2023-002788
Contributors: Jessica Jesser; Thanh Nguyen; Adam A Dmytriw; Hiroshi Yamagami; Zhongrong Miao; Louisa Johanna Sommer; Andrea Stockero; Johannes Alex Rolf Pfaff; Johanna Ospel; Mayank Goyal et al.
Source: check_circle
Crossref

Protocol for Systematic Review and Meta-Analysis of Prehospital Large Vessel Occlusion Screening Scales

2024-08-20 | Preprint
DOI: 10.1101/2024.08.19.24312257
Contributors: Hidetaka Suzuki; Yohei Okada; Yamagami Hiroshi; Mikito Hayakawa; Yoshimoto Takeshi; Hitoshi Kobata
Source: check_circle
Crossref

Expanding the Treatable Imaging Profile in Patients With Large Ischemic Stroke: Subanalysis From a Randomized Clinical Trial

Stroke
2024-07 | Journal article
DOI: 10.1161/STROKEAHA.124.046828
Contributors: Manabu Inoue; Takeshi Yoshimoto; Hiroshi Yamagami; Kazunori Toyoda; Nobuyuki Sakai; Yuji Matsumaru; Yasushi Matsumoto; Kazumi Kimura; Reiichi Ishikura; Kazutaka Uchida et al.
Source: check_circle
Crossref

Outcomes of Bridging Intravenous Thrombolysis Versus Endovascular Therapy Alone in Late-Window Acute Ischemic Stroke

Stroke
2024-07 | Journal article
DOI: 10.1161/STROKEAHA.124.046495
Contributors: Jelle Demeestere; Muhammad M. Qureshi; Lieselotte Vandewalle; Anke Wouters; Daniel Strbian; Raul G. Nogueira; Simon Nagel; Hiroshi Yamagami; Volker Puetz; Mohamad Abdalkader et al.
Source: check_circle
Crossref

Treatment Results of Carotid Artery Stenting with an Open-Cell Stent: Analysis of 734 Consecutive Cases at a Single Center

World Neurosurgery
2024-07 | Journal article
DOI: 10.1016/j.wneu.2024.04.108
Contributors: Yoshihiro Omura; Hirotoshi Imamura; Shoichi Tani; Hidemitsu Adachi; Manabu Sakaguchi; Kenichi Todo; Hiroshi Yamagami; Masanori Goto; Nobuyuki Ohara; Ryu Fukumitsu et al.
Source: check_circle
Crossref

Higher Frequency of Premature Atrial Contractions Correlates With Atrial Fibrillation Detection after Cryptogenic Stroke

Stroke
2024-04 | Journal article
DOI: 10.1161/STROKEAHA.123.044813
Contributors: Yuki Shimada; Kenichi Todo; Ryosuke Doijiri; Hidekazu Yamazaki; Kazutaka Sonoda; Junpei Koge; Tomonori Iwata; Yuji Ueno; Hiroshi Yamagami; Naoto Kimura et al.
Source: check_circle
Crossref

Atrial Fibrillation Detection and Ischemic Stroke Recurrence in Cryptogenic Stroke: A Retrospective, Multicenter, Observational Study

Journal of the American Heart Association
2024-02-06 | Journal article
DOI: 10.1161/JAHA.123.031508
Contributors: Kenichi Todo; Shuhei Okazaki; Ryosuke Doijiri; Hidekazu Yamazaki; Kazutaka Sonoda; Junpei Koge; Tomonori Iwata; Yuji Ueno; Hiroshi Yamagami; Naoto Kimura et al.
Source: check_circle
Crossref

Von Willebrand Factor Antigen Levels Predict Poor Outcomes in Patients With Stroke and Cancer: Findings From the Multicenter, Prospective, Observational SCAN Study

Journal of the American Heart Association
2024-02-06 | Journal article
DOI: 10.1161/JAHA.123.032284
Contributors: Tomohiro Kawano; Yasufumi Gon; Manabu Sakaguchi; Hiroshi Yamagami; Soichiro Abe; Hiroyuki Hashimoto; Nobuyuki Ohara; Daisuke Takahashi; Yuko Abe; Tsutomu Takahashi et al.
Source: check_circle
Crossref

Safety of Apixaban Monotherapy for Non-Valvular Atrial Fibrillation-Related Acute Stroke with Intra-/Extracranial Artery Stenosis

Cerebrovascular Diseases
2023 | Journal article
DOI: 10.1159/000526896
Contributors: Masaomi Koyanagi; Taketo Hatano; Kazutaka Uchida; Takenori Ogura; Hiroshi Yamagami; Masunari Shibata; Yukiko Enomoto; Norihito Fukawa; Yasushi Matsumoto; Nobuyuki Sakai et al.
Source: check_circle
Crossref

Cost-effectiveness of Endovascular Treatment for Acute Stroke with Large Infarct: A United States Perspective

Radiology
2023-10-01 | Journal article
DOI: 10.1148/radiol.223320
Contributors: Johanna Maria Ospel; Wolfgang Gerhard Kunz; Rosalie Victoria McDonough; Mayank Goyal; Kazutaka Uchida; Nobuyuki Sakai; Hiroshi Yamagami; Shinichi Yoshimura
Source: check_circle
Crossref

Number of Passes of Endovascular Therapy for Stroke With a Large Ischemic Core: Secondary Analysis of RESCUE-Japan LIMIT

Stroke
2023-08 | Journal article
DOI: 10.1161/STROKEAHA.123.042552
Contributors: Satoshi Namitome; Kazutaka Uchida; Seigo Shindo; Shinichi Yoshimura; Nobuyuki Sakai; Hiroshi Yamagami; Kazunori Toyoda; Yuji Matsumaru; Yasushi Matsumoto; Kazumi Kimura et al.
Source: check_circle
Crossref

Predictors of Survival in Patients With Ischemic Stroke and Active Cancer: A Prospective, Multicenter, Observational Study

Journal of the American Heart Association
2023-08 | Journal article
DOI: 10.1161/JAHA.123.029618
Contributors: Yasufumi Gon; Manabu Sakaguchi; Hiroshi Yamagami; Soichiro Abe; Hiroyuki Hashimoto; Nobuyuki Ohara; Daisuke Takahashi; Yuko Abe; Tsutomu Takahashi; Takaya Kitano et al.
Source: check_circle
Crossref

Treatment practice of vasospasm during endovascular thrombectomy: an international survey

2023-08-04 | Preprint
DOI: 10.1101/2023.08.01.23293498
Contributors: J. Jesser; T. N. Nguyen; A. A. Dmytriw; H. Yamagami; Z. Miao; L. J. Sommer; A. Stockero; J. A. R. Pfaff; J. M. Ospel; M. Goyal et al.
Source: check_circle
Crossref

Predictors of survival in patients with ischemic stroke and active cancer: A prospective, multicenter, observational study

2023-05-10 | Preprint
DOI: 10.1101/2023.05.08.23289699
Contributors: Yasufumi Gon; Manabu Sakaguchi; Hiroshi Yamagami; Soichiro Abe; Hiroyuki Hashimoto; Nobuyuki Ohara; Daisuke Takahashi; Yuko Abe; Tsutomu Takahashi; Takaya Kitano et al.
Source: check_circle
Crossref

Association of Time Course of Thrombectomy and Outcomes for Large Acute Ischemic Region: RESCUE-Japan LIMIT Sub-Analysis

2023-03-17 | Preprint
DOI: 10.1101/2023.03.15.23287338
Contributors: Hideyuki Ishihara; Takuma Nishimoto; Mototsugu Shimokawa; Fumiaki Oka; Nobuyuki Sakai; Hiroshi Yamagami; Kazunori Toyoda; Yuji Matsumaru; Yasushi Matsumoto; Kazumi Kimura et al.
Source: check_circle
Crossref

Endovascular vs Medical Management for Late Anterior Large Vessel Occlusion With Prestroke Disability

Neurology
2023-02-14 | Journal article
DOI: 10.1212/WNL.0000000000201543
Contributors: James E. Siegler; Muhammad M. Qureshi; Raul G. Nogueira; Kanta Tanaka; Simon Nagel; Patrik Michel; Nicholas Vigilante; Marc Ribo; Hiroshi Yamagami; Shinichi Yoshimura et al.
Source: check_circle
Crossref

Global Impact of the COVID-19 Pandemic on Stroke Volumes and Cerebrovascular Events

Neurology
2023-01-24 | Journal article
DOI: 10.1212/WNL.0000000000201426
Contributors: Thanh N. Nguyen; Muhammad M. Qureshi; Piers Klein; Hiroshi Yamagami; Robert Mikulik; Anna Czlonkowska; Mohamad Abdalkader; Petra Sedova; Anvitha Sathya; Hannah C. Lo et al.
Source: check_circle
Crossref

Outcomes of Symptomatic Anterior Large Vessel Occlusion by Initial Imaging Assessment Using Diffusion‐Weighted Imaging Versus Noncontrast Computed Tomography

Stroke: Vascular and Interventional Neurology
2022-09 | Journal article
DOI: 10.1161/SVIN.121.000170
Contributors: Naruhiko Kamogawa; Kanta Tanaka; Hiroshi Yamagami; Takeshi Yoshimoto; Kazutaka Uchida; Takeshi Morimoto; Hirotoshi Imamura; Nobuyuki Sakai; Nobuyuki Ohara; Yasushi Matsumoto et al.
Source: check_circle
Crossref

Practical “1-2-3-4-Day” Rule for Starting Direct Oral Anticoagulants After Ischemic Stroke With Atrial Fibrillation: Combined Hospital-Based Cohort Study

Stroke
2022-05 | Journal article
DOI: 10.1161/STROKEAHA.121.036695
Contributors: Shunsuke Kimura; Kazunori Toyoda; Sohei Yoshimura; Kazuo Minematsu; Masahiro Yasaka; Maurizio Paciaroni; David J. Werring; Hiroshi Yamagami; Takehiko Nagao; Shinichi Yoshimura et al.
Source: check_circle
Crossref

Association of Admission Hyperglycemia with Clinical Outcomes in Japanese Patients with Acute Large Vessel Occlusion Stroke: A post hoc Analysis of the Recovery by Endovascular Salvage for Cerebral Ultra-Acute Embolism Japan Registry 2

Cerebrovascular Diseases
2021 | Journal article
DOI: 10.1159/000511679
Contributors: Yukako Yazawa; Tetsuya Ohira; Ryo Itabashi; Kazutaka Uchida; Nobuyuki Sakai; Hiroshi Yamagami; Takeshi Morimoto; Shinichi Yoshimura
Source: check_circle
Crossref

Differences in Acute Ischemic Stroke Management and Prognosis between Multiple Large-Vessel Occlusion and Single Large-Vessel Occlusion: Subanalysis of the RESCUE-Japan Registry 2

Cerebrovascular Diseases
2021 | Journal article
DOI: 10.1159/000514369
Contributors: Kotaro Tatebayashi; Kazutaka Uchida; Hiroto Kageyama; Hirotoshi Imamura; Nobuyuki Ohara; Nobuyuki Sakai; Kanta Tanaka; Hiroshi Yamagami; Yasushi Matsumoto; Masataka Takeuchi et al.
Source: check_circle
Crossref

Impact of Procedure Time on Clinical Outcomes of Patients Who Underwent Endovascular Therapy for Acute Ischemic Stroke

Cerebrovascular Diseases
2021 | Journal article
DOI: 10.1159/000515260
Contributors: Yukiko Enomoto; Kazutaka Uchida; Hiroshi Yamagami; Hirotoshi Imamura; Nobuyuki Ohara; Nobuyuki Sakai; Kanta Tanaka; Yasushi Matsumoto; Yusuke Egashira; Takeshi Morimoto et al.
Source: check_circle
Crossref

Endovascular Therapy for Acute Ischemic Stroke in Patients with Large-Vessel Occlusion due to Atherosclerotic Stenosis

Journal of Stroke and Cerebrovascular Diseases
2021-10 | Journal article
DOI: 10.1016/j.jstrokecerebrovasdis.2021.105960
Contributors: Manabu Shirakawa; Hidetoshi Matsukawa; Nobuyuki Sakai; Hiroshi Yamagami; Kanta Tanaka; Hirotoshi Imamura; Yasushi Matsumoto; Masataka Takeuchi; Hiroto Kageyama; Kazutaka Uchida et al.
Source: check_circle
Crossref

Endovascular Therapy for Acute Ischemic Stroke in Patients With Prestroke Disability

Journal of the American Heart Association
2021-08-03 | Journal article
DOI: 10.1161/JAHA.121.020783
Contributors: Kanta Tanaka; Hiroshi Yamagami; Takeshi Yoshimoto; Kazutaka Uchida; Takeshi Morimoto; Kazunori Toyoda; Nobuyuki Sakai; Shinichi Yoshimura
Source: check_circle
Crossref

ASPECTS-Region-Dependent Functional Outcomes after Endovascular Therapy in Patients with Cardioembolic Stroke

Journal of Stroke and Cerebrovascular Diseases
2021-07 | Journal article
DOI: 10.1016/j.jstrokecerebrovasdis.2021.105814
Contributors: Yoshiharu Oki; Fumihiro Sakakibara; Kazutaka Uchida; Hiroto Kageyama; Masahiro Yasaka; Kazunori Toyoda; Etsuro Mori; Teruyuki Hirano; Toshimitsu Hamasaki; Hiroshi Yamagami et al.
Source: check_circle
Crossref

Relationship Between Acute Neurological Function and Long-Term Prognosis in Patients with Large Arterial Occlusions

Journal of Stroke and Cerebrovascular Diseases
2021-04 | Journal article
DOI: 10.1016/j.jstrokecerebrovasdis.2021.105625
Contributors: Kotaro Tatebayashi; Shinichi Yoshimura; Nobuyuki Sakai; Kazutaka Uchida; Hiroto Kageyama; Hiroshi Yamagami; Takeshi Morimoto
Source: check_circle
Crossref

Sex Differences in Management and Outcomes of Cardioembolic Stroke: Post HOC Analyses of the RELAXED Study

Journal of Stroke and Cerebrovascular Diseases
2021-04 | Journal article
DOI: 10.1016/j.jstrokecerebrovasdis.2021.105613
Contributors: Takashi Okada; Kazutaka Uchida; Fumihiro Sakakibara; Hiroto Kageyama; Masahiro Yasaka; Kazunori Toyoda; Etsuro Mori; Teruyuki Hirano; Toshimitsu Hamasaki; Hiroshi Yamagami et al.
Source: check_circle
Crossref

Frequent Premature Atrial Contractions in Cryptogenic Stroke Predict Atrial Fibrillation Detection with Insertable Cardiac Monitoring

Cerebrovascular Diseases
2020 | Journal article
DOI: 10.1159/000505958
Contributors: Kenichi Todo; Tomonori Iwata; Ryosuke Doijiri; Hiroshi Yamagami; Masafumi Morimoto; Tetsuya Hashimoto; Kazutaka Sonoda; Hidekazu Yamazaki; Koge Junpei; Shuhei Okazaki et al.
Source: check_circle
Crossref

Incidence and Prognostic Impact of Intracranial Hemorrhage after Endovascular Treatment for Acute Large Vessel Occlusion

Cerebrovascular Diseases
2020 | Journal article
DOI: 10.1159/000510970
Contributors: Norito Kinjo; Shinichi Yoshimura; Kazutaka Uchida; Nobuyuki Sakai; Hiroshi Yamagami; Takeshi Morimoto
Source: check_circle
Crossref

Left Atrial Size and Ischemic Events after Ischemic Stroke or Transient Ischemic Attack in Patients with Nonvalvular Atrial Fibrillation

Cerebrovascular Diseases
2020 | Journal article
DOI: 10.1159/000511393
Contributors: Keisuke Tokunaga; Masatoshi Koga; Sohei Yoshimura; Yasushi Okada; Hiroshi Yamagami; Kenichi Todo; Ryo Itabashi; Kazumi Kimura; Shoichiro Sato; Tadashi Terasaki et al.
Source: check_circle
Crossref

Treatment Outcomes by Initial Neurological Deficits in Acute Stroke Patients with Basilar Artery Occlusion: The RESCUE Japan Registry 2

Journal of Stroke and Cerebrovascular Diseases
2020-11 | Journal article
DOI: 10.1016/j.jstrokecerebrovasdis.2020.105256
Contributors: Takeshi Yoshimoto; Kanta Tanaka; Hiroshi Yamagami; Kazutaka Uchida; Manabu Inoue; Junpei Koge; Masafumi Ihara; Kazunori Toyoda; Hirotoshi Imamura; Nobuyuki Ohara et al.
Source: check_circle
Crossref

Successful Reperfusion with Endovascular Therapy Has Beneficial Effects on Long-Term Outcome Beyond 90 Days

Cerebrovascular Diseases
2019 | Journal article
DOI: 10.1159/000499190
Contributors: Kenichi Todo; Nobuyuki Sakai; Hirotoshi Imamura; Hiroshi Yamagami; Hidemitsu Adachi; Tomoyuki Kono; Junya Kobayashi; Shiro Yamamoto; Takeshi Morimoto; Shoichi Tani et al.
Source: check_circle
Crossref

Flip-Flop Phenomenon: Swallowing-Induced Arterial Displacement as an Indicator of Carotid Artery Disease

Cerebrovascular Diseases
2018 | Journal article
DOI: 10.1159/000490180
Contributors: Naoto Kinoshita; Kozue Saito; Yoshitaka Yamaguchi; Soichiro Abe; Shinichi Wada; Tomotaka Tanaka; Katsufumi Kajimoto; Hiroshi Yamagami; Hirofumi Maruyama; Kazunori Toyoda et al.
Source: check_circle
Crossref

Echogenicity of Medium-to-Large Carotid Plaques Predicts Future Vascular Events

Cerebrovascular Diseases
2014 | Journal article
DOI: 10.1159/000365651
Contributors: Yasuhiro Tadokoro; Manabu Sakaguchi; Hiroshi Yamagami; Shuhei Okazaki; Shigetaka Furukado; Mari Matsumoto; Kaori Miwa; Yoshiki Yagita; Hideki Mochizuki; Kazuo Kitagawa
Source: check_circle
Crossref

Peer review (3 reviews for 3 publications/grants)

Review activity for Journal of neurointerventional surgery. (1)
Review activity for Klinische Neuroradiologie. (1)
Review activity for Stroke and vascular neurology. (1)
How many people are using ORCID?