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R. Doijiri · SciRah

Researcher profile · Semantic Scholar

R. Doijiri

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R. Doijiri — researcher profile on SciRah

h-index: 14
Works: 78
Citations: 820

Most-cited papers

EXPRESS: Global Impact of the COVID-19 Pandemic on Stroke Hospitalizations and Mechanical Thrombectomy Volumes.
R. Nogueira, M. Abdalkader, M. Qureshi, M. Frankel +95 more
2021International Journal of Stroke146 citations Open access
Semantic Scholar
Global Impact of COVID-19 on Stroke Care and IV Thrombolysis
R. Nogueira, M. Qureshi, M. Abdalkader, S. Martins +458 more
2021Neurology117 citations Open access
Semantic Scholar
Endovascular Therapy in Ischemic Stroke With Acute Large‐Vessel Occlusion: Recovery by Endovascular Salvage for Cerebral Ultra‐Acute Embolism Japan Registry 2
S. Yoshimura, N. Sakai, K. Uchida, H. Yamagami +57 more
2018Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease86 citations Open access
Semantic Scholar
Thrombolysis With Alteplase at 0.6 mg/kg for Stroke With Unknown Time of Onset
M. Koga, H. Yamamoto, M. Inoue, K. Asakura +38 more
2020Stroke74 citations Open access
Semantic Scholar
Impact of Endovascular Therapy in Patients With Large Ischemic Core: Subanalysis of Recovery by Endovascular Salvage for Cerebral Ultra-Acute Embolism Japan Registry 2
Hiroto Kakita, S. Yoshimura, K. Uchida, N. Sakai +58 more
2019Stroke48 citations Open access
Semantic Scholar
How Commonly Is Stroke Found in Patients with Isolated Vertigo or Dizziness Attack?
R. Doijiri, Hisakazu Uno, K. Miyashita, M. Ihara +1 more
2016Journal of Stroke & Cerebrovascular Diseases36 citations
Semantic Scholar
Global Impact of the COVID-19 Pandemic on Stroke Volumes and Cerebrovascular Events
Thanh N. Nguyen, M. Qureshi, P. Klein, H. Yamagami +367 more
2023Neurology30 citations Open access
Semantic Scholar
Large aortic arch plaques correlate with CHADS2 and CHA2DS2-VASc scores in cryptogenic stroke.
Y. Ueno, Y. Tateishi, R. Doijiri, Ayako Kuriki +14 more
2019Atherosclerosis30 citations
Semantic Scholar
Frequent Premature Atrial Contractions in Cryptogenic Stroke Predict Atrial Fibrillation Detection with Insertable Cardiac Monitoring
Kenichi Todo, T. Iwata, R. Doijiri, H. Yamagami +8 more
2020Cerebrovascular Diseases28 citations
Semantic Scholar
High Detection Rate of Atrial Fibrillation With Insertable Cardiac Monitor Implantation in Patients With Cryptogenic Stroke Diagnosed by Magnetic Resonance Imaging.
T. Iwata, Kenichi Todo, H. Yamagami, M. Morimoto +3 more
2019Journal of Stroke & Cerebrovascular Diseases23 citations
Semantic Scholar
Optimal Antithrombotics for Ischemic Stroke and Concurrent Atrial Fibrillation and Atherosclerosis: A Randomized Clinical Trial.
S. Okazaki, Kanta Tanaka, Y. Yazawa, R. Doijiri +20 more
2025JAMA Neurology22 citations Open access
Semantic Scholar
Clinical Outcome of Patients With Large Vessel Occlusion and Low National Institutes of Health Stroke Scale Scores
Takuya Saito, R. Itabashi, Y. Yazawa, K. Uchida +58 more
2020Stroke19 citations Open access
Semantic Scholar
Paroxysmal Atrial Fibrillation in Cryptogenic Stroke Patients With Major-Vessel Occlusion
R. Doijiri, H. Yamagami, M. Morimoto, T. Iwata +6 more
2020Frontiers in Neurology18 citations Open access
Semantic Scholar
Intravenous recombinant tissue plasminogen activator thrombolysis in acute ischemic stroke due to middle cerebral artery dissection.
R. Doijiri, C. Yokota, Riéko Suzuki, K. Toyoda +1 more
2012Journal of Stroke & Cerebrovascular Diseases18 citations
Semantic Scholar
Atrial Fibrillation Detection and Ischemic Stroke Recurrence in Cryptogenic Stroke: A Retrospective, Multicenter, Observational Study
Kenichi Todo, S. Okazaki, R. Doijiri, Hidekazu Yamazaki +15 more
2024Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease12 citations Open access
Semantic Scholar
High-risk patent foramen ovale and elderly in cryptogenic stroke.
K. Kanemaru, Y. Ueno, Muneaki Kikuno, Y. Tateishi +15 more
2023Journal of Stroke & Cerebrovascular Diseases11 citations Open access
Semantic Scholar
Higher Frequency of Premature Atrial Contractions Correlates With Atrial Fibrillation Detection after Cryptogenic Stroke
Yuki Shimada, Kenichi Todo, R. Doijiri, Hidekazu Yamazaki +16 more
2024Stroke10 citations Open access
Semantic Scholar
Underlying embolic and pathologic differentiation by cerebral microbleeds in cryptogenic stroke
Muneaki Kikuno, Y. Ueno, Takahiro Shimizu, Ayako Kuriki +16 more
2020Journal of Neurology10 citations Open access
Semantic Scholar
Different aspects of early and late development of atrial fibrillation during hospitalization in cryptogenic stroke
R. Doijiri, Y. Ueno, Muneaki Kikuno, Takahiro Shimizu +15 more
2021Scientific Reports9 citations Open access
Semantic Scholar
Distinction in Prevalence of Atherosclerotic Embolic Sources in Cryptogenic Stroke With Cancer Status
Muneaki Kikuno, Y. Ueno, H. Takekawa, K. Kanemaru +20 more
2021Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease7 citations Open access
Semantic Scholar
P-wave terminal force in lead V_1 and atrial fibrillation burden in cryptogenic stroke with implantable loop recorders
H. Ikenouchi, Junpei Koge, Tomotaka Tanaka, Eriko Yamaguchi +11 more
2023Journal of Thrombosis and Thrombolysis6 citations
Semantic Scholar
Left atrial appendage flow velocity predicts occult atrial fibrillation in cryptogenic stroke: a CRYPTON-ICM registry
Y. Ueno, Nobukazu Miyamoto, Kenichiro Hira, R. Doijiri +13 more
2023Journal of Neurology6 citations
Semantic Scholar
Magnetic Resonance Imaging–Guided Thrombolysis (0.6 mg/kg) Was Beneficial for Unknown Onset Stroke Above a Certain Core Size
K. Toyoda, M. Inoue, Sohei Yoshimura, H. Yamagami +79 more
2020Stroke6 citations Open access
Semantic Scholar
Effect of preoperative administration of proprotein convertase subtilisin/kexin type 9 inhibitor on carotid artery stenting.
Yuto Shingai, Naoto Kimura, R. Doijiri, Ken Takahashi +5 more
2020World Neurosurgery6 citations
Semantic Scholar
Detection of Atrial Fibrillation Using Insertable Cardiac Monitors in Patients With Cryptogenic Stroke in Japan (the LOOK Study): Protocol for a Prospective Multicenter Observational Study
S. Suda, Takehiro Katano, K. Kitagawa, Y. Iguchi +24 more
2023JMIR Research Protocols4 citations Open access
Semantic Scholar
Remote ischemic conditioning for acute ischemic stroke part 2: Study protocol for a randomized controlled trial
Kentaro Ishizuka, T. Hoshino, S. Toi, T. Mizuno +17 more
2022Frontiers in Neurology4 citations Open access
Semantic Scholar
Cardiac and Echocardiographic Markers in Cryptogenic Stroke with Incidental Patent Foramen Ovale.
Y. Tateishi, Y. Ueno, A. Tsujino, Ayako Kuriki +14 more
2021Journal of Stroke & Cerebrovascular Diseases4 citations Open access
Semantic Scholar
Atrial Septal Aneurysm may Cause In-Hospital Recurrence of Cryptogenic Stroke
Ayako Kuriki, Y. Ueno, Y. Kamiya, Takahiro Shimizu +15 more
2020Journal of atherosclerosis and thrombosis4 citations Open access
Semantic Scholar
Relationship between initial B-type natriuretic peptide levels and detection of atrial fibrillation with an insertable cardiac monitor in cryptogenic stroke: CRYPTON-ICM registry
Takuya Moriyama, Kenichi Todo, H. Yamagami, Yoko Kimura +13 more
2024Frontiers in Neurology3 citations Open access
Semantic Scholar
Removal of Insertable Cardiac Monitor for Cryptogenic Stroke: A Technical Note
Shuhei Egashira, Naoto Kimura, R. Doijiri
2023Journal of Cardiovascular Development and Disease3 citations Open access
Semantic Scholar
Thrombolysis with Alteplase at 0·6 mg/kg for Acute FLAIR-Negative Stroke with Unknown Time of Onset: THAWS Randomized Controlled Trial
M. Koga, H. Yamamoto, M. Inoue, K. Asakura +39 more
2019Social Science Research Network3 citations Open access
Semantic Scholar
Validation of ultrasound parameters to assess collateral flow via ophthalmic artery in internal carotid artery occlusion.
Tomotaka Tanaka, R. Doijiri, Kozue Saito, K. Kajimoto +4 more
2014Journal of Stroke & Cerebrovascular Diseases3 citations
Semantic Scholar
Lower atrial fibrillation detection in cryptogenic stroke patients with patent foramen ovale: Evidence from insertable cardiac monitoring.
Naoya Yamazaki, H. Ikenouchi, Daisuke Ando, Shuhei Egashira +3 more
2026Journal of Neurological Sciences2 citations
Semantic Scholar
Atherogenic Dyslipidemia Is Critically Related to Aortic Complicated Lesions in Cryptogenic Stroke
Muneaki Kikuno, Yuji Ueno, Y. Tateishi, Ayako Kuriki +16 more
2024Journal of atherosclerosis and thrombosis2 citations
Semantic Scholar
Intravenous Alteplase at 0.6 mg/kg for Unknown Onset Stroke with Prior Antithrombotic Medication: THAWS Randomized Clinical Trial
M. Koga, M. Inoue, Kaori Miwa, S. Yoshimura +17 more
2022Journal of atherosclerosis and thrombosis2 citations Open access
Semantic Scholar
Fatal Cerebral Venous Thrombosis in a Pregnant Woman with Inherited Antithrombin Deficiency after BNT162b2 mRNA COVID-19 Vaccination.
Kohei Takikawa, R. Doijiri, Naoto Kimura, Ako Miyata +11 more
2022Tohoku journal of experimental medicine2 citations Open access
Semantic Scholar
A low score on the National Institutes of Health Stroke Scale with eye movement disorder may indicate a good candidate for acute mechanical thrombectomy for posterior circulation large vessel occlusion: illustrative cases
Naoya Yamazaki, Naoto Kimura, R. Doijiri, Kohei Takikawa +6 more
2022Journal of Neurosurgery: Case Lessons2 citations Open access
Semantic Scholar
Remote Ischemic Conditioning for Acute Ischemic Stroke: The RICAIS Randomized Clinical Trial
Kazuo Kitagawa, Kentaro Ishizuka, R. Doijiri, K. Maruyama +22 more
2026Journal of atherosclerosis and thrombosis1 citations Open access
Semantic Scholar
Visualization of Moyamoya Vessels Using Transcranial Color-Coded Duplex Sonography: A Case Report
R. Doijiri, Nobuharu Furuya
2025Cureus1 citations Open access
Semantic Scholar
Acute Respiratory Failure Caused by Lateral Medullary Infarction - An Unknown Condition with Varied Etiology and Requiring Special Vigilance: A Case Series
Ako Miyata, R. Doijiri, Kohei Takikawa, Takuji Sonoda +7 more
2024Internal medicine1 citations Open access
Semantic Scholar
Magnetic Resonance Imaging-Guided Intravenous Thrombolysis in Cardioembolic Stroke Patients With Unknown Time of Onset - Subanalysis of the THAWS Randomized Control Trial.
Naoya Yamazaki, M. Koga, R. Doijiri, M. Inoue +12 more
2024Circulation Journal1 citations Open access
Semantic Scholar
Evaluating the Potential Pathology and Short-Term Outcomes of Cryptogenic Stroke Using the Etiological Classification System
Takahiro Shimizu, Y. Ueno, Y. Tateishi, R. Doijiri +14 more
2022Journal of atherosclerosis and thrombosis1 citations Open access
Semantic Scholar
Tandem Lesions of the Vertebrobasilar System Treated by Thrombectomy and Vertebral Artery Stenting: A Case Report
Kohei Takikawa, R. Doijiri, Ayane Ohyama, Takuji Sonoda +6 more
2021Journal of Neuroendovascular Therapy1 citations Open access
Semantic Scholar
Initial treatment outcome using insertable cardiac monitors in cryptogenic stroke
R. Doijiri, Naoto Kimura, Eriko Yamaguchi, Ken Takahashi +5 more
2019Japanese Journal of Stroke1 citations Open access
Semantic Scholar
Treatment Outcome Using Insertable Cardiac Monitoring in Patients with Cryptogenic Stroke after Thrombectomy
R. Doijiri, Naoto Kimura, Ken Takahashi, Hideaki Endo +4 more
2019Journal of Neuroendovascular Therapy1 citations Open access
Semantic Scholar
A mobile plaque in the innominate artery demonstrated by real-time three-dimensional transesophageal echocardiography: A case report
Koji Tanaka, Kozue Saito, Kazuaki Sato, R. Doijiri +4 more
20131 citations Open access
Semantic Scholar
A case in which ultrasonography was useful for the diagnosis of Paget-Schroetter syndrome
Tomoka Kobayashi, R. Doijiri, Mina Konno, Sadanori Takeda +5 more
2026Choonpa Igaku0 citations
Semantic Scholar
Sex Differences in the Incidence of Composite Ischemic and Bleeding Events in Ischemic Stroke Patients with Nonvalvular Atrial Fibrillation and Atherosclerosis.
M. Morishita, Kazutaka Uchida, Shinichi Yoshimura, Shuhei Okazaki +12 more
2026Journal of Stroke & Cerebrovascular Diseases0 citations Open access
Semantic Scholar
Abstract A066: Oral Anticoagulant Monotherapy vs Oral Anticoagulant Plus Antiplatelet Therapy in Paroxysmal and Persistent Atrial Fibrillation: A Prespecified Subanalysis of the ATIS-NVAF Trial
Erika Yamada, Takeshi Yoshimoto, K. Maruo, Shuhei Okazaki +10 more
2026Stroke0 citations
Semantic Scholar
Abstract DP330: Oral Anticoagulation With or Without Antiplatelet Therapy After Atherothrombotic Versus Cardioembolic Stroke in Patients With Nonvalvular Atrial Fibrillation and Atherosclerotic Cardiovascular Disease
M. Shirakawa, Kazutaka Uchida, Fumihiro Sakakibara, Shuhei Okazaki +11 more
2026Stroke0 citations
Semantic Scholar

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