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M. Iwaasa · SciRah

Researcher profile · Semantic Scholar

M. Iwaasa

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M. Iwaasa — researcher profile on SciRah

h-index: 15
Works: 62
Citations: 709

Most-cited papers

Endovascular embolization vs surgical clipping in treatment of cerebral aneurysms: morbidity and mortality with short-term outcome.
M. Taha, I. Nakahara, T. Higashi, Y. Iwamuro +4 more
2006Surgical Neurology113 citations
Semantic Scholar
Different modalities of treatment of intracranial mycotic aneurysms: Report of 4 cases.
I. Nakahara, M. Taha, T. Higashi, Y. Iwamuro +4 more
2006Surgical Neurology85 citations
Semantic Scholar
Impact of Clipping versus Coiling on Postoperative Hemodynamics and Pulmonary Edema after Subarachnoid Hemorrhage
Nobutaka Horie, M. Iwaasa, E. Isotani, S. Ishizaka +2 more
2014BioMed Research International62 citations Open access
Semantic Scholar
Quantitative assessment of gliomas by proton magnetic resonance spectroscopy.
S. Oshiro, H. Tsugu, Fuminari Komatsu, H. Abe +5 more
2007Anticancer Research34 citations
Semantic Scholar
Spot sign as a predictor of rebleeding after endoscopic surgery for intracerebral hemorrhage.
Koichi Miki, K. Yagi, Masani Nonaka, M. Iwaasa +4 more
2019Journal of Neurosurgery32 citations Open access
Semantic Scholar
Identification of venous sinus, tumor location, and pial supply during meningioma surgery by transdural indocyanine green videography.
T. Ueba, M. Okawa, H. Abe, Masani Nonaka +4 more
2013Journal of Neurosurgery27 citations Open access
Semantic Scholar
The new MRI modalities "BPAS and VISTA" for the diagnosis of VA dissection.
K. Takemoto, Koichi Takano, H. Abe, M. Okawa +3 more
2011Acta neurochirurgica. Supplement27 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
Hybrid Assistive Limb (HAL) Rehabilitation in Patients with Acute Hemorrhagic Stroke
Toshiyasu Ogata, H. Abe, K. Samura, Omi Hamada +7 more
2015Neurologia medico-chirurgica25 citations Open access
Semantic Scholar
Comparison of clinical outcomes of intraventricular hematoma between neuroendoscopic removal and extraventricular drainage.
Fuminari Komatsu, Mika Komatsu, Naoki Wakuta, Shinaya Oshiro +3 more
2010Neurologia medico-chirurgica24 citations Open access
Semantic Scholar
Pseudoaneurysm of the thoracic radiculomedullary artery with subarachnoid hemorrhage. Case report.
Yahiro Tatsumi, Katsuyuki Hirakawa, M. Iwaasa, H. Tsugu +2 more
2004Journal of Neurosurgery21 citations
Semantic Scholar
Intramedullary hemangioblastoma of the medulla oblongata--two case reports and review of the literature.
T. Fukushima, Seisaburo Sakamoto, M. Iwaasa, S. Hayashi +3 more
1998Neurologia medico-chirurgica20 citations Open access
Semantic Scholar
Dynamic assessment of internal carotid artery and elongated styloid process in a case of bilateral carotid artery dissection
Yoshinobu Horio, Kenji Fukuda, Koichi Miki, Noriko Hirao +3 more
2020Surgical neurology international19 citations Open access
Semantic Scholar
Revascularization for acute ischemic stroke is safe for rivaroxaban users.
S. Kimura, Toshiyasu Ogata, Jiro Fukae, M. Okawa +4 more
2014Journal of Stroke & Cerebrovascular Diseases18 citations
Semantic Scholar
Ruptured aneurysm of the distal anterior cerebral artery: clinical features and surgical strategies.
S. Oshiro, H. Tsugu, Seizaburo Sakamoto, Masani Nonaka +5 more
2007Neurologia medico-chirurgica17 citations Open access
Semantic Scholar
Optimal surgical indications of endoscopic surgery for traumatic acute subdural hematoma in elderly patients based on a single-institution experience
Koichi Miki, Masani Nonaka, Hiromasa Kobayashi, Yoshinobu Horio +4 more
2020Neurosurgical review15 citations
Semantic Scholar
Fusion Technique Using Three-Dimensional Digital Subtraction Angiography in the Evaluation of Complex Cerebral and Spinal Vascular Malformations.
Kenji Fukuda, T. Higashi, M. Okawa, M. Iwaasa +2 more
2016World Neurosurgery15 citations
Semantic Scholar
Intraoperative Active Bleeding in Endoscopic Surgery for Spontaneous Intracerebral Hemorrhage is Predicted by the Spot Sign.
Koichi Miki, K. Yagi, Masani Nonaka, M. Iwaasa +4 more
2018World Neurosurgery14 citations
Semantic Scholar
Unilateral Trans-cerebellomedullary Fissure Approach for Occipital Artery to Posterior Inferior Cerebellar Artery Bypass during Aneurysmal Surgery
H. Abe, Koichi Miki, Hiromasa Kobayashi, Toshiyasu Ogata +3 more
2017Neurologia medico-chirurgica11 citations Open access
Semantic Scholar
A pitfall of neuroendoscopic intraventricular hematoma removal - delayed obstructive hydrocephalus caused by a small remnant clot - case report - .
Fuminari Komatsu, Naoki Wakuta, Mika Komatsu, M. Iwaasa +1 more
2011Neurologia medico-chirurgica11 citations Open access
Semantic Scholar
Neurohypophyseal Granulomatous Germinoma Invading the Right Cavernous Sinus: Case Report and Review of the Literature
T. Fukushima, Yusuke Takemura, H. Tsugu, M. Iwaasa +3 more
2007Pediatric Neurosurgery10 citations
Semantic Scholar
1‐Methyl‐4‐phenylpyridinium ion, a toxin that can cause parkinsonism, alters branched structures of DNA
M. Iwaasa, Shuyo Umeda, T. Ohsato, Chihiro Takamatsu +5 more
2002Journal of Neurochemistry10 citations Open access
Semantic Scholar
Safety and feasibility of combined coiling and neuroendoscopy for better outcomes in the treatment of severe subarachnoid hemorrhage accompanied by massive intraventricular hemorrhage.
M. Iwaasa, T. Ueba, Masani Nonaka, M. Okawa +3 more
2013Journal of clinical neuroscience9 citations
Semantic Scholar
[Hemifacial spasm caused by a dissecting aneurysm of the vertebral artery, and resulting in acute exacerbation].
M. Takahara, H. Abe, M. Ohkawa, M. Iwaasa +4 more
2013No shinkei geka. Neurological surgery9 citations
Semantic Scholar
Three‐dimensional spin‐echo‐based black‐blood MRA in the detection of vasospasm following subarachnoid hemorrhage
Koichi Takano, Kosuke Hida, M. Iwaasa, Tooru Inoue +1 more
2018Journal of Magnetic Resonance Imaging8 citations
Semantic Scholar
Glial fibrillary acidic protein level on admission can predict severe traumatic brain injury in patients with severe multiple trauma: A single-center retrospective observational study
Yoshihiko Nakamura, T. Kitamura, Y. Kawano, Kota Hoshino +4 more
2022Current Research in Neurobiology5 citations Open access
Semantic Scholar
Impact of spot sign etiology in supratentorial intracerebral hemorrhage on outcomes of endoscopic surgery.
Koichi Miki, H. Abe, Masani Nonaka, Takashi Morishita +3 more
2019World Neurosurgery5 citations
Semantic Scholar
[Visualization of the distal edge of carotid plaque using indocyanine green videoangiography during carotid endarterectomy and the pitfall involved].
M. Okawa, H. Abe, Y. Hirata, K. Takemoto +3 more
2011No shinkei geka. Neurological surgery5 citations
Semantic Scholar
White-collar sign as a predictor of outcome after endovascular treatment for cerebral aneurysms.
Kenji Fukuda, T. Higashi, M. Okawa, M. Iwaasa +2 more
2017Journal of Neurosurgery4 citations
Semantic Scholar
[Stent-assisted embolization for ruptured vertebral artery dissection involving the origin of the posterior inferior cerebellar artery:a case report of staged strategy].
Kenji Fukuda, T. Higashi, T. Yoshioka, Yutaka Shigemori +3 more
2015No shinkei geka. Neurological surgery4 citations
Semantic Scholar
超低濃度n-butyl 2-cyanoacrylate を用いた髄膜腫に対する塞栓術
Kenji Fukuda, T. Higashi, Masakazu Okawa, M. Iwaasa +4 more
20144 citations Open access
Semantic Scholar
Endoscopic surgery via a combined frontal and suboccipital approach for cerebellar hemorrhage
Masani Nonaka, K. Yagi, H. Abe, Koichi Miki +3 more
2018Surgical neurology international3 citations Open access
Semantic Scholar
A Case of Occlusion due to Acute In-stent Thrombosis after Carotid Artery Stenting
K. Takemoto, M. Iwaasa, K. Uda, Tooru Inoue +1 more
20093 citations Open access
Semantic Scholar
Usefulness of Adjunctive Technique with a TACTICS Catheter for Coil Embolization of Cerebral Aneurysms
M. Takahara, Kenji Fukuda, Dai Kawano, S. Yoshinaga +4 more
2021Journal of Neuroendovascular Therapy2 citations Open access
Semantic Scholar
Distal superior cerebellar artery aneurysm located at the newly formed anastomotic site with the long circumferential artery of the posterior cerebral artery: A case report
Y. Irie, K. Takemoto, T. Katsuta, Kenji Fukuda +4 more
2019Interventional Neuroradiology2 citations Open access
Semantic Scholar
Analysis of combined coiling and neuroendoscopy in the treatment of intraventricular hemorrhage due to ruptured aneurysm.
M. Iwaasa, T. Ueba, M. Okawa, Tooru Inoue
2014Acta neurochirurgica. Supplement2 citations
Semantic Scholar
Management of Intracerebral Hemorrhage during Pregnancy and the Puerperium
Yutaka Shigemori, Masani Nonaka, H. Abe, Toshiyasu Ogata +4 more
20132 citations Open access
Semantic Scholar
Efficacy and feasibility of procarbazine, ranimustine and vincristine chemotherapy, and the role of surgical resection in anaplastic oligodendroglioma.
Masaaki Yamamoto, M. Iwaasa, Masani Nonaka, H. Tsugu +2 more
2005Anticancer Research2 citations
Semantic Scholar
Repeated coil embolization of traumatic basilar artery pseudoaneurysm accompanied by bilateral traumatic internal carotid artery stenosis following severe head injury in a pediatric patient: A case report and literature review
Kana Takeda, Kazunori Oda, Hironori Fukumoto, Hiromasa Kobayashi +4 more
2023Surgical neurology international1 citations Open access
Semantic Scholar
Favorable management of symptomatic cerebellar hemangioblastoma presenting with obstructive hydrocephalus during pregnancy: A case report and literature review
Kazunori Oda, Takaaki Amamoto, Toshiyuki Enomoto, Hiromasa Kobayashi +4 more
2022Surgical neurology international1 citations Open access
Semantic Scholar
Endovascular treatment of ruptured kissing aneurysms arising from the origin of anterior choroidal artery and the aberrant origin of premamillary artery.
Yoshinobu Horio, Kenji Fukuda, S. Yoshinaga, Yuki Kozaki +4 more
2020World Neurosurgery1 citations
Semantic Scholar
Treatment Results of Combined Endovascular Coil Embolization Ruptured Anterior Communicating Artery Aneurysm and Endoscopic Surgery for Intracerebral and/or Intraventricular Hematoma
T. Yoshioka, T. Higashi, M. Iwaasa, Kenji Fukuda +5 more
20141 citations Open access
Semantic Scholar
[A case of STA-A3 bypass with a STA interposition graft and endovascular trapping for a ruptured A2 dissecting aneurysm].
M. Okawa, H. Abe, M. Iwaasa, Masani Nonaka +2 more
2014No shinkei geka. Neurological surgery1 citations
Semantic Scholar
Clinical Study of Vertebral Dissecting Aneurysm Manifesting as Subarachnoid Hemorrhage Following Head-nuchal Pain
K. Ikeda, S. Oshiro, Seisaburo Sakamoto, M. Iwaasa +4 more
20071 citations Open access
Semantic Scholar
Unique Trajectory of Transorbital Penetration Injury Determined by the Orbital Bone Anatomy Resulting in the Minimum Neurological Deficit: A Case Report
Dai Kawano, Yoshinobu Horio, Takashi Morishita, Hiromasa Kobayashi +4 more
2023Interdisciplinary Neurosurgery0 citations Open access
Semantic Scholar
Prasugrel is effective for in-stent thrombosis after carotid artery stenting
M. Takahara, Kenji Fukuda, Takamichi Kouzaki, S. Yoshinaga +3 more
2021Japanese Journal of Stroke0 citations Open access
Semantic Scholar
Endovascular treatment for a ruptured aneurysm in the posterior inferior cerebellar artery feeding a torcular dural arteriovenous fistula: Case report
Takamichi Kozaki, Yoshinobu Horio, Kenji Fukuda, S. Yoshinaga +4 more
20210 citations Open access
Semantic Scholar
Characteristics of Coagulation/Fibrinolysis Abnormalities in Serious Corona Virus Disease 2019 (COVID-19) Patients Complicated with Stroke: Case Series
H. Ishikura, J. Maruyama, Y. Izutani, Shinichi Morimoto +6 more
20200 citations Open access
Semantic Scholar
[Reversible Cerebral Vasoconstriction Syndrome Without Typical Thunderclap Headache Complicated by Intracranial Hemorrhage and Posterior Reversible Encephalopathy Syndrome:A Case Report].
Koichi Miki, K. Takemoto, Takashi Morishita, Yuki Kouzaki +4 more
2018No shinkei geka. Neurological surgery0 citations
Semantic Scholar
Patients’ characteristics and outcomes depending on complete or incomplete unilateral spatial neglect
J. Watanabe, Toshiyasu Ogata, Masani Nonaka, M. Iwaasa +2 more
2017Neurosurgical review0 citations
Semantic Scholar

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Tooru Inoue×35
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Tooru Inoue — researcher profile on SciRah
H. Abe×23
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H. Abe — researcher profile on SciRah
T. Higashi×18
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T. Higashi — researcher profile on SciRah
Masani Nonaka×14
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Masani Nonaka — researcher profile on SciRah

×12

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Kenji Fukuda — researcher profile on SciRah

Takashi Morishita×10

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Takashi Morishita — researcher profile on SciRah

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Koichi Miki — researcher profile on SciRah

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M. Okawa — researcher profile on SciRah

T. Fukushima×8

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T. Fukushima — researcher profile on SciRah

Yoshinobu Horio×7

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Yoshinobu Horio — researcher profile on SciRah

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H. Tsugu — researcher profile on SciRah

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K. Takemoto — researcher profile on SciRah