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I. Nakahara · SciRah

Researcher profile · Semantic Scholar

I. Nakahara

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I. Nakahara — researcher profile on SciRah

h-index: 22
Works: 161
Citations: 1,773

Most-cited papers

Predicting Clinical Outcomes of Large Vessel Occlusion Before Mechanical Thrombectomy Using Machine Learning.
Hidehisa Nishi, N. Oishi, A. Ishii, Isao Ono +12 more
2019Stroke116 citations Open access
Semantic Scholar
Training Guidelines for Endovascular Ischemic Stroke Intervention: An International multi-society consensus document
S. Lavine, K. Cockroft, B. Hoh, N. Bambakidis +115 more
2016American Journal of Neuroradiology115 citations Open access
Semantic Scholar
Near-infrared spectroscopy in carotid artery stenting predicts cerebral hyperperfusion syndrome
S. Matsumoto, I. Nakahara, T. Higashi, Y. Iwamuro +5 more
2009Neurology63 citations
Semantic Scholar
Deep Learning–Derived High-Level Neuroimaging Features Predict Clinical Outcomes for Large Vessel Occlusion
Hidehisa Nishi, N. Oishi, A. Ishii, Isao Ono +12 more
2020Stroke62 citations Open access
Semantic Scholar
Recent Trends in Neuroendovascular Therapy in Japan: Analysis of a Nationwide Survey—Japanese Registry of Neuroendovascular Therapy (JR-NET) 1 and 2
N. Sakai, S. Yoshimura, W. Taki, A. Hyodo +23 more
2013Neurologia medico-chirurgica38 citations Open access
Semantic Scholar
Historical perspective of carotid artery stenting in Japan: Analysis of 8,092 cases in The Japanese CAS survey
S. Miyachi, W. Taki, N. Sakai, I. Nakahara +1 more
2012Acta Neurochirurgica37 citations
Semantic Scholar
Reduction of thromboembolic complications during the endovascular treatment of unruptured aneurysms by employing a tailored dual antiplatelet regimen using aspirin and prasugrel
Saeko Higashiguchi, A. Sadato, I. Nakahara, S. Matsumoto +15 more
2021Journal of NeuroInterventional Surgery33 citations Open access
Semantic Scholar
Effect of Pitavastatin on Preventing Ischemic Complications with Carotid Artery Stenting: A Multicenter Prospective Study—EPOCH-CAS Study
K. Takayama, W. Taki, Naoki Toma, I. Nakahara +10 more
2014Cardiovascular and Interventional Radiology31 citations Open access
Semantic Scholar
Platelet reactivity and hemorrhage risk in neurointerventional procedures under dual antiplatelet therapy
Hidehisa Nishi, I. Nakahara, S. Matsumoto, T. Hashimoto +13 more
2015Journal of NeuroInterventional Surgery28 citations
Semantic Scholar
Tentorial dural arteriovenous fistula presenting symptoms due to mass effect on the dilated draining vein: case report.
Y. Iwamuro, I. Nakahara, T. Higashi, M. Iwaasa +4 more
2006Surgical Neurology27 citations
Semantic Scholar
Optimizing in-hospital triage for large vessel occlusion using a novel clinical scale (GAI2AA)
T. Ohta, I. Nakahara, S. Matsumoto, Daisuke Kondo +10 more
2019Neurology26 citations Open access
Semantic Scholar
Long-term outcomes of coil embolization of unruptured intracranial aneurysms.
M. Koyanagi, A. Ishii, H. Imamura, T. Satow +9 more
2018Journal of Neurosurgery26 citations Open access
Semantic Scholar
Factors Associated with Postprocedural Diffusion-Weighted Imaging-Positive Lesions in Endovascular Treatment for Unruptured Cerebral Aneurysms.
K. Tokunaga, T. Hatano, I. Nakahara, A. Ishii +10 more
2019World Neurosurgery25 citations
Semantic Scholar
Large Residual Volume, Not Low Packing Density, Is the Most Influential Risk Factor for Recanalization after Coil Embolization of Cerebral Aneurysms
A. Sadato, M. Hayakawa, K. Adachi, I. Nakahara +1 more
2016PLoS ONE24 citations Open access
Semantic Scholar
Improving treatment times for patients with in-hospital stroke using a standardized protocol.
Junpei Koge, S. Matsumoto, I. Nakahara, A. Ishii +14 more
2017Journal of Neurological Sciences23 citations
Semantic Scholar
Impact of thrombus migration on clinical outcomes in patients with internal carotid artery occlusions and patent middle cerebral artery.
Junpei Koge, S. Matsumoto, I. Nakahara, A. Ishii +5 more
2020Journal of Neurological Sciences21 citations
Semantic Scholar
Fibro-Fatty Volume of Culprit Lesions in Virtual Histology™ Intravascular Ultrasound Is Associated with the Amount of Debris during Carotid Artery Stenting
S. Matsumoto, I. Nakahara, T. Higashi, Y. Iwamuro +6 more
2010Cerebrovascular Diseases21 citations
Semantic Scholar
Different learning curves between stent retrieval and a direct aspiration first-pass technique for acute ischemic stroke.
Hidehisa Nishi, A. Ishii, I. Nakahara, S. Matsumoto +6 more
2018Journal of Neurosurgery20 citations Open access
Semantic Scholar
Intraoperative Stenting for Brachiocephalic and Carotid Artery Stenosis
I. Nakahara, T. Higashi, Y. Iwamuro, Yoshihiko Watanabe +4 more
2010Neurosurgery18 citations
Semantic Scholar
Angioplasty and stent deployment in acute sinus thrombosis following endovascular treatment of dural arteriovenous fistulae.
Eishu Hirata, T. Higashi, Y. Iwamuro, Yoshihiko Watanabe +3 more
2009Journal of clinical neuroscience16 citations
Semantic Scholar
Carotid stenting for unilateral stenosis can increase contralateral hemispheric cerebral blood flow
A. Sadato, S. Maeda, M. Hayakawa, K. Adachi +3 more
2017Journal of NeuroInterventional Surgery15 citations
Semantic Scholar
Noninvasive Assessment of Stenotic Severity and Plaque Characteristics by Coronary CT Angiography in Patients Scheduled for Carotid Artery Revascularization
M. Hoshino, H. Kawai, M. Sarai, A. Sadato +9 more
2018Journal of atherosclerosis and thrombosis14 citations Open access
Semantic Scholar
Rapid Formation of Cerebral Microbleeds after Carotid Artery Stenting
Kousuke Kakumoto, S. Matsumoto, I. Nakahara, Yoshihiko Watanabe +10 more
2012Cerebrovascular Diseases Extra14 citations Open access
Semantic Scholar
Prediction of Cerebral Hyperperfusion After Carotid Artery Stenting by Cerebral Angiography and Single‐Photon Emission Computed Tomography Without Acetazolamide Challenge
T. Ohta, I. Nakahara, S. Matsumoto, R. Ishibashi +4 more
2017Neurosurgery13 citations
Semantic Scholar
A Case of Internal Carotid Artery Dissection Caused by an Elongated Styloid Process: Successful Treatment with Carotid Artery Stenting and Partial Resection of the Styloid Process
Haruka Miyata, I. Nakahara, T. Ohta, S. Matsumoto +10 more
201613 citations Open access
Semantic Scholar
Efficacy of the Flow Re-direction Endoluminal Device for cerebral aneurysms and causes of failed deployment
Kenichiro Suyama, I. Nakahara, S. Matsumoto, Y. Suyama +5 more
2021Neuroradiology12 citations Open access
Semantic Scholar
Interventional neuroradiological techniques for the treatment of aneurysms of the supra-aortic extracranial arteries.
M. Taha, I. Nakahara, T. Higashi, Y. Iwamuro +2 more
2010Neurologia medico-chirurgica12 citations Open access
Semantic Scholar
Retrospective survey of endovascular treatment for ruptured intracranial aneurysm in Japan: Retrospective Endovascular Subarachnoid Aneurysm Treatment (RESAT) study.
N. Sakai, W. Taki, S. Yoshimura, T. Hyogo +22 more
2010Neurologia medico-chirurgica11 citations Open access
Semantic Scholar
Long-term Outcomes Following Intraprocedural Aneurysm Rupture During Coil Embolization of Unruptured Intracranial Aneurysms.
Keitaro Yamagami, T. Hatano, I. Nakahara, A. Ishii +11 more
2020World Neurosurgery10 citations
Semantic Scholar
Dural arteriovenous fistula of the craniocervical junction manifesting as cerebellar haemorrhage
J. Inamasu, Riki Tanaka, I. Nakahara, Yuichi Hirose
2016The Neuroradiology Journal10 citations Open access
Semantic Scholar
λ stenting: a novel technique for posterior communicating artery aneurysms with fetal-type posterior communicating artery originating from the aneurysm dome
J. Tanabe, I. Nakahara, S. Matsumoto, Y. Suyama +6 more
2021Neuroradiology9 citations Open access
Semantic Scholar
Cortical Blood Flow Insufficiency Scores with Computed Tomography Perfusion can Predict Outcomes in Aneurysmal Subarachnoid Hemorrhage Patients: A Cohort Study
J. Tanabe, I. Nakahara, S. Matsumoto, Y. Suyama +9 more
2020Neurocritical Care9 citations Open access
Semantic Scholar
Japanese Registry of Neuroendovascular Therapy: Extracranial Steno-occlusive Diseases except for Internal Carotid Artery Stenosis
T. Kikuchi, A. Ishii, I. Nakahara, S. Miyamoto +1 more
2013Neurologia medico-chirurgica9 citations Open access
Semantic Scholar
Chondrosarcoma of the clivus presenting with intratumoral hemorrhage: case report
K. Harada, I. Nakahara, Junya Hayashi, Masatou Tanaka +3 more
2006Journal of Neuro-Oncology9 citations
Semantic Scholar
A multicenter prospective registry of Borden type I dural arteriovenous fistula: results of a 3-year follow-up study
Hidehisa Nishi, Hiroyuki Ikeda, A. Ishii, T. Kikuchi +8 more
2021Neuroradiology8 citations Open access
Semantic Scholar
Decision-making tree for optimal Woven EndoBridge device sizing with ideal Woven EndoBridge-aneurysm volume (iWAVe) ratio.
J. Tanabe, I. Nakahara, Takuma Ishihara, S. Matsumoto +4 more
2023Journal of clinical neuroscience7 citations Open access
Semantic Scholar
Posterior condylar canal dural arteriovenous fistula treated with transvenous embolization through the deep cervical vein.
Kenichiro Suyama, I. Nakahara, S. Matsumoto, Junichiro Morioka +3 more
2022Journal of Stroke & Cerebrovascular Diseases7 citations
Semantic Scholar
Dural arteriovenous fistula presenting with acute subdural haematoma showing impending cerebral herniation
Y. Suyama, S. Wakabayashi, H. Kajikawa, I. Nakahara
2018BMJ Case Reports7 citations Open access
Semantic Scholar
Evaluation of clinical significance of decompressive suboccipital craniectomy on the prognosis of cerebellar infarction
Y. Suyama, S. Wakabayashi, H. Aihara, Yusuke Ebiko +2 more
2018Fujita medical journal7 citations
Semantic Scholar
Improvement in patient outcomes following endovascular treatment of WFNS grade V subarachnoid haemorrhage from 2000 to 2014.
J. Inamasu, A. Sadato, Motoki Oheda, M. Hayakawa +5 more
2016Journal of clinical neuroscience7 citations
Semantic Scholar
Internal carotid artery obstruction derived from persistent arterial wall dissection associated with old trivial trauma.
Y. Akiyama, Masahito Tanaka, Junya Hayashi, M. Fujimoto +3 more
2006Neurologia medico-chirurgica7 citations Open access
Semantic Scholar
Successful endovascular therapy for cerebral venous sinus thrombosis accompanied by heparin-induced thrombocytopenia
Y. Fukushima, Kenji Takahashi, I. Nakahara
2020Interventional Neuroradiology6 citations Open access
Semantic Scholar
Experimental Analysis of Intra-luminal Pressure by Contrast Injection during Mechanical Thrombectomy: Simulation of Rupture Risk of Hidden Cerebral Aneurysm in Tandem Occlusion with Blind Alley
Sadayoshi Watanabe, Jumpei Oda, I. Nakahara, S. Matsumoto +6 more
2020Neurologia medico-chirurgica6 citations Open access
Semantic Scholar
Delayed leucoencephalopathy after coil embolisation of unruptured cerebral aneurysm
Y. Fukushima, I. Nakahara
2018BMJ Case Reports6 citations Open access
Semantic Scholar
Multicenter analysis of embolic complications during carotid artery stenting using Angioguard XP filter wire - predicting high risk patients by MR plaque image and length of stenosis
J. Kashiwagi, H. Kiyosue, I. Nakahara, S. Matsumoto +11 more
20086 citations Open access
Semantic Scholar
Staged Hybrid Techniques With Straightforward Bypass Surgery Followed by Flow Diverter Deployment for Complex Recurrent Middle Cerebral Artery Aneurysms
J. Tanabe, I. Nakahara, S. Matsumoto, Jun Morioka +4 more
2022Frontiers in Surgery5 citations Open access
Semantic Scholar
Delays in Presentation Time Under the COVID-19 Epidemic in Patients With Transient Ischemic Attack and Mild Stroke: A Retrospective Study of Three Hospitals in a Japanese Prefecture
Koji Tanaka, S. Matsumoto, Y. Nakazawa, Takeshi Yamada +6 more
2021Frontiers in Neurology5 citations Open access
Semantic Scholar
Delays in initial workflow cause delayed initiation of mechanical thrombectomy in patients with in-hospital ischemic stroke
Kenichiro Suyama, S. Matsumoto, I. Nakahara, Y. Suyama +6 more
2021Fujita medical journal5 citations
Semantic Scholar
A Case of Ischemic Stroke With Congenital Protein C Deficiency and Carotid Web Successfully Treated by Anticoagulant and Carotid Stenting
Sadayoshi Watanabe, S. Matsumoto, I. Nakahara, A. Ishii +4 more
2020Frontiers in Neurology5 citations Open access
Semantic Scholar
A Visual Task Management Application for Acute Ischemic Stroke Care
S. Matsumoto, Hiroshi Koyama, I. Nakahara, A. Ishii +24 more
2019Frontiers in Neurology5 citations Open access
Semantic Scholar

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S. Matsumoto×23
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S. Matsumoto — researcher profile on SciRah
Sadayoshi Watanabe×15
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Sadayoshi Watanabe — researcher profile on SciRah
A. Ishii×14
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A. Ishii — researcher profile on SciRah
I. Nagata×10
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T. Hatano — researcher profile on SciRah

Akiko Hasebe×9

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Akiko Hasebe — researcher profile on SciRah

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J. Tanabe — researcher profile on SciRah

Kenichiro Suyama×9

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Kenichiro Suyama — researcher profile on SciRah

Yuichi Hirose×9

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Yuichi Hirose — researcher profile on SciRah

Hidehisa Nishi×8

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Hidehisa Nishi — researcher profile on SciRah

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N. Sakai — researcher profile on SciRah

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T. Higashi — researcher profile on SciRah