Kenji Yoshida

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Postoperative increase in cerebral white matter fractional anisotropy on diffusion tensor magnetic resonance imaging is associated with cognitive improvement after uncomplicated carotid endarterectomy: tract-based spatial statistics analysis.

Kenji Yoshida, Kenji Ito, Kohsuke Kudo, 2013, Neurosurgery.

Adverse effects of intravenous acetazolamide administration for evaluation of cerebrovascular reactivity using brain perfusion single-photon emission computed tomography in patients with major cerebral artery steno-occlusive diseases.

K. Ogasawara, A. Ogawa, Masakazu Kobayashi, 2011, Neurologia medico-chirurgica.

Cerebrospinal Fluid Adrenomedullin Concentration Correlates with Hyponatremia and Delayed Ischemic Neurological Deficits after Subarachnoid Hemorrhage

H. Kashimura, K. Ogasawara, A. Ogawa, 2008, Cerebrovascular Diseases.

Arterial Bypass Surgery Using a Spontaneously Formed “Bonnet” Superficial Temporal Artery in a Patient With Symptomatic Common Carotid Artery Occlusion: Case Report

K. Ogasawara, Masakazu Kobayashi, Kenji Yoshida, 2010, Neurosurgery.

Identification of the Distal End of Carotid Plaque Using 3-Dimensional Fast Spin Echo T1-Weighted Magnetic Resonance Plaque Imaging.

J. Yoshida, K. Ogasawara, S. Fujiwara, 2020, Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association.

Feasibility of IVIM parameters from diffusion-weighted imaging at 11.7T MRI for detecting ischemic changes in common carotid artery occlusion rats

K. Ogasawara, S. Fujiwara, Y. Akamatsu, 2020, Scientific Reports.

De Novo Cerebral Microbleeds and Cognitive Decline in Cerebral Hyperperfusion After Direct Revascularization for Adult Moyamoya Disease.

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2021, Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association.

Outcomes of medical management alone for adult patients with cerebral misery perfusion due to ischemic moyamoya disease.

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2022, Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association.

Transient Symptomatic Downregulation of Cortical Neurotransmitter Receptor Function Due to Cerebral Hyperperfusion after Arterial Bypass Surgery for a Patient with Ischemic Moyamoya Disease

J. Yoshida, K. Ogasawara, S. Fujiwara, 2018, Neurologia medico-chirurgica.

Angiographic, Cerebral Hemodynamic, and Cognitive Outcomes of Indirect Revascularization Surgery Alone for Adult Patients With Misery Perfusion due to Ischemic Moyamoya Disease

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2022, Neurosurgery.

Concept and Prospects in Open Surgery for Cerebral Aneurysms to prevent Complications

H. Kashimura, K. Ogasawara, Y. Otawara, 2018 .

Postoperative Cerebral White Matter Damage Associated with Cerebral Hyperperfusion and Cognitive Impairment after Carotid Endarterectomy: A Diffusion Tensor Magnetic Resonance Imaging Study

K. Ogasawara, A. Ogawa, S. Fujiwara, 2012, Cerebrovascular Diseases.

Novel pathogenic VPS13A gene mutations in Japanese patients with chorea-acanthocytosis

T. Fujii, Yuji Takahashi, H. Mochizuki, 2019, Neurology: Genetics.

Superficial Temporal Artery-Middle Cerebral Artery Bypass for Rapid Deterioration of Visual Acuity Due to Retinal Ischemia in a Patient with Chronic Internal Carotid Artery Occlusion: A Case Report

K. Ogasawara, A. Ogawa, Masakazu Kobayashi, 2013 .

Development of cerebral microbleeds in patients with cerebral hyperperfusion following carotid endarterectomy and its relation to postoperative cognitive decline.

J. Yoshida, K. Ogasawara, S. Fujiwara, 2021, Journal of neurosurgery.

Inflammatory myopathy with myasthenia gravis

K. Kaida, Y. Shiio, T. Toda, 2018, Neurology: Neuroimmunology & Neuroinflammation.

Early post-ischemic hyperemia on transcranial cerebral oxygen saturation monitoring in carotid endarterectomy is associated with severity of cerebral ischemic insult during carotid artery clamping

Kenji Yoshida, Akira Ogawa, Kuniaki Ogasawara, 2009, Neurological research.

Improvement in gait function after carotid endarterectomy is associated with postoperative recovery in perfusion and neurotransmitter receptor function in the motor-related cerebral cortex: a 123I-iomazenil SPECT study

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2020, Nuclear medicine communications.

Surgical Repair Under Intraoperative Monitoring and Blood Pressure Control for Symptomatic Thrombosed Aneurysm in the Cervical Internal Carotid Artery: A Case Report

K. Ogasawara, A. Ogawa, Masakazu Kobayashi, 2012 .

Magnetic resonance imaging in patients with cerebral hyperperfusion and cognitive impairment after carotid endarterectomy.

Takashi Inoue, K. Ogasawara, Y. Otawara, 2008, Journal of neurosurgery.

Revascularization and resection for ruptured large aneurysm of distal middle cerebral artery in a 9-year-old boy

K. Ogasawara, T. Sugai, N. Uesugi, 2021, Japanese Journal of Stroke.

Preoperative visualization of the marginal tentorial artery as an unusual collateral pathway in a patient with symptomatic bilateral vertebral artery occlusion undergoing arterial bypass surgery: A 7.0-T magnetic resonance imaging study

K. Ogasawara, M. Sasaki, Yuiko Sato, 2014, Surgical neurology international.

Changes in cognitive function after carotid endarterectomy in older patients: comparison with younger patients.

K. Ogasawara, A. Ogawa, Masakazu Kobayashi, 2013, Neurologia medico-chirurgica.

High-flow bypass and wrap-clipping for ruptured blood blister-like aneurysm of the internal carotid artery using intraoperative monitoring of cerebral hemodynamics

K. Ogasawara, A. Ogawa, Kenji Yoshida, 2015, Vascular health and risk management.

A case of lymphomatosis cerebri mimicking inflammatory diseases

A. Kakita, Kiyoshi Saito, Koichiro Nakamura, 2016, BMC Neurology.

Development of cerebral microbleeds and its impact on cognitive function in adult patients receiving medical management alone for ischemic moyamoya disease: supplementary analysis of a 5-year prospective cohort

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2022, Neurological research.

Intrathecal Administration of Thrombin Inhibitor Ameliorates Cerebral Vasospasm

M. Doi, K. Kuroda, Michiyasu Suzuki, 2000, Cerebrovascular Diseases.

Prediction of cerebral hyperperfusion following carotid endarterectomy using intravoxel incoherent motion magnetic resonance imaging.

K. Ogasawara, S. Fujiwara, M. Sasaki, 2022, Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association.

The Influence of Young Age on Difficulties in the Surgical Resection of Carotid Body Tumors

K. Ogasawara, K. Shiga, Kenji Yoshida, 2021, Cancers.

Adverse effects of pre-existing cerebral small vessel disease on cognitive improvement after carotid endarterectomy

J. Yoshida, F. Yamashita, K. Ogasawara, 2019, International journal of stroke : official journal of the International Stroke Society.

Chronic pancreatitis caused by an autoimmune abnormality

K. Shiratori, Kenji Yoshida, N. Hayashi, 1995, Digestive Diseases and Sciences.

Susceptible MHC alleles, not background genes, select an autoimmune T cell reactivity.

Kenji Yoshida, Christophe Benoist, Laurent Poirot, 2003, The Journal of clinical investigation.

Meningoencephalitis in relapsing polychondritis

K. Migita, K. Kanai, Kenji Yoshida, 2021, Medicine.

Hemichorea‐Hemiballism in a Patient with Temporal‐Parietal Lobe Infarction Appearing After Reperfusion by Recombinant Tissue Plasminogen Activator

Y. Ugawa, T. Murakami, Shunsuke Kobayashi, 2015, Movement disorders clinical practice.

Effect of combined Japanese traditional medicines, keishibukuryogan and jidabokuippo, on postoperative soft tissue swelling in adult patients undergoing revascularization surgery for ischemic moyamoya disease: A comparison of two prospective cohort studies

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2022, Traditional & Kampo Medicine.

Recovery of cortical neurotransmitter receptor function and its impact on cognitive improvement after indirect revascularization surgery alone for adult patients with ischemic moyamoya disease: 123I-iomazenil single-photon emission computed tomography study.

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2022, World neurosurgery.

Long-Term Cognitive Changes after Revascularization Surgery in Adult Patients with Ischemic Moyamoya Disease

K. Ogasawara, S. Uchida, S. Fujiwara, 2021, Cerebrovascular Diseases Extra.

Comparison of Effects between Clopidogrel and Cilostazol on Cerebral Perfusion in Nonsurgical Adult Patients with Symptomatically Ischemic Moyamoya Disease: Subanalysis of a Prospective Cohort.

J. Yoshida, K. Ogasawara, S. Fujiwara, 2018, Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association.

Preoperative brain temperature imaging on proton magnetic resonance spectroscopy predicts hemispheric ischemia during carotid endarterectomy for unilateral carotid stenosis with inadequate collateral blood flow

K. Ogasawara, S. Fujiwara, M. Sasaki, 2018, Neurological research.

Intraoperative Microemboli and Low Middle Cerebral Artery Blood Flow Velocity Are Additive in Predicting Development of Cerebral Ischemic Events After Carotid Endarterectomy

K. Ogasawara, Y. Otawara, A. Ogawa, 2008, Stroke.

Two-Year Clinical, Cerebral Hemodynamic, and Cognitive Outcomes of Adult Patients Undergoing Medication Alone for Symptomatically Ischemic Moyamoya Disease Without Cerebral Misery Perfusion: A Prospective Cohort Study.

K. Ogasawara, Masakazu Kobayashi, K. Terasaki, 2018, Neurosurgery.

Feasibility of IVIM parameters from diffusion-weighted imaging at 11.7T MRI for detecting ischemic changes in common carotid artery occlusion rats

K. Ogasawara, S. Fujiwara, Y. Akamatsu, 2020, Scientific Reports.

Intentional Hypertension During Dissection of Carotid Arteries in Endarterectomy Prevents Postoperative Development of New Cerebral Ischemic Lesions Caused by Intraoperative Microemboli

K. Ogasawara, A. Ogawa, S. Fujiwara, 2011, Neurosurgery.

Impact of external carotid artery occlusion at declamping of the external and common carotid arteries during carotid endarterectomy on development of new postoperative ischemic cerebral lesions

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2019, Journal of vascular surgery.

Wall Shear Stress and T1 Contrast Ratio Are Associated With Embolic Signals During Carotid Exposure in Endarterectomy

K. Ogasawara, S. Fujiwara, M. Sasaki, 2018, Stroke.

Revascularisation surgery improves cognition in adult patients with moyamoya disease

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2019, Journal of Neurology, Neurosurgery, and Psychiatry.

Five-Year Outcomes of Medical Management Alone for Adult Patients with Ischemic Moyamoya Disease without Cerebral Misery Perfusion

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2021, Cerebrovascular Diseases.

Reduced Hypoxic Tissue and Cognitive Improvement after Revascularization Surgery for Chronic Cerebral Ischemia

Shunrou Fujiwara, Kenji Yoshida, Kuniaki Ogasawara, 2019, Cerebrovascular Diseases.

Comparison of Subjective and Objective Assessments on Improvement in Gait Function after Carotid Endarterectomy

Shunrou Fujiwara, Takahiro Koji, Kuniaki Ogasawara, 2020, Sensors.

Preoperatively reduced cerebrovascular contractile reactivity to hypocapnia by hyperventilation is associated with cerebral hyperperfusion syndrome after arterial bypass surgery for adult patients with cerebral misery perfusion due to ischemic moyamoya disease

J. Yoshida, K. Ogasawara, S. Fujiwara, 2018, Journal of Cerebral Blood Flow and Metabolism.

Post-carotid endarterectomy changes in cerebral glucose metabolism on (18)F-fluorodeoxyglucose positron emission tomography associated with postoperative improvement or impairment in cognitive function.

K. Ogasawara, A. Ogawa, S. Fujiwara, 2015, Journal of neurosurgery.

Hypoxic Viable Tissue in Human Chronic Cerebral Ischemia Because of Unilateral Major Cerebral Artery Steno-Occlusive Disease

K. Ogasawara, Masakazu Kobayashi, K. Terasaki, 2015, Stroke.

Accuracy of Central Benzodiazepine Receptor Binding Potential/Cerebral Blood Flow SPECT Imaging for Detecting Misery Perfusion in Patients With Unilateral Major Cerebral Artery Occlusive Diseases: Comparison With Cerebrovascular Reactivity to Acetazolamide and Cerebral Blood Flow SPECT Imaging

K. Ogasawara, A. Ogawa, S. Fujiwara, 2012, Clinical nuclear medicine.

Improvement and impairment in cognitive function after carotid endarterectomy: comparison of objective and subjective assessments.

Kenji Yoshida, Akira Ogawa, Kuniaki Ogasawara, 2012, Neurologia medico-chirurgica.

Postcarotid Endarterectomy Improvement in Cognition Is Associated with Resolution of Crossed Cerebellar Hypoperfusion and Increase in 123I-Iomazenil Uptake in the Cerebral Cortex: A SPECT Study

Kenji Yoshida, Akira Ogawa, Kuniaki Ogasawara, 2010, Cerebrovascular Diseases.

Exposure of the vertebrobasilar artery junction with traction of the dentate ligament for the treatment of large vertebral artery aneurysms: technical note.

H. Kashimura, K. Ogasawara, A. Ogawa, 2008, Journal of neurosurgery.

Preoperative 3D FSE T1-Weighted MR Plaque Imaging for Severely Stenotic Cervical ICA: Accuracy of Predicting Emboli during Carotid Endarterectomy

K. Ogasawara, S. Fujiwara, M. Sasaki, 2016, International journal of molecular sciences.

Cerebral Hyperperfusion after Revascularization Inhibits Development of Cerebral Ischemic Lesions Due to Artery-to-Artery Emboli during Carotid Exposure in Endarterectomy for Patients with Preoperative Cerebral Hemodynamic Insufficiency: Revisiting the “Impaired Clearance of Emboli” Concept

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2016, International journal of molecular sciences.

Preoperative Central Benzodiazepine Receptor Binding Potential and Cerebral Blood Flow Images on SPECT Predict Development of New Cerebral Ischemic Events and Cerebral Hyperperfusion After Carotid Endarterectomy

K. Ogasawara, A. Ogawa, S. Fujiwara, 2011, The Journal of Nuclear Medicine.

Preoperative single-slab 3D time-of-flight magnetic resonance angiography predicts development of new cerebral ischemic events after carotid endarterectomy. Clinical article.

K. Ogasawara, Y. Otawara, A. Ogawa, 2009, Journal of neurosurgery.

Preoperative cervical carotid artery contrast-enhanced ultrasound findings are associated with development of microembolic signals on transcranial Doppler during carotid exposure in endarterectomy.

K. Ogasawara, S. Fujiwara, M. Sasaki, 2017, Atherosclerosis.

A newly designed hydroxyapatite ceramic burr-hole button

H. Kashimura, K. Ogasawara, A. Ogawa, 2010, Vascular health and risk management.

Postoperative Cortical Neural Loss Associated With Cerebral Hyperperfusion and Cognitive Impairment After Carotid Endarterectomy: 123I-iomazenil SPECT Study

K. Ogasawara, Y. Otawara, A. Ogawa, 2009, Stroke.

Effects of the free radical scavenger, edaravone, on the development of postoperative cognitive impairment in patients undergoing carotid endarterectomy.

Takashi Inoue, K. Ogasawara, A. Ogawa, 2005, Surgical neurology.

Postoperative cerebral hyperperfusion associated with impaired cognitive function in patients undergoing carotid endarterectomy.

Takashi Inoue, K. Ogasawara, A. Ogawa, 2005, Journal of neurosurgery.

Angiographic disease progression in medically treated adult patients with ischemic moyamoya disease without cerebral misery perfusion: supplementary analysis of a 5-year prospective cohort

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2021, Neurosurgical Review.

Impact of cerebral blood flow changes due to arterial bypass surgery on cognitive function in adult patients with symptomatic ischemic moyamoya disease.

K. Ogasawara, Masakazu Kobayashi, K. Terasaki, 2019, Journal of neurosurgery.

Superb Microvascular Imaging Ultrasound for Cervical Carotid Artery Stenosis for Prediction of the Development of Microembolic Signals on Transcranial Doppler during Carotid Exposure in Endarterectomy

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2021, Cerebrovascular Diseases Extra.

Cryptogenic NORSE

Hiroki Asari, Y. Ugawa, A. Kosakai, 2017, Neurology: Neuroimmunology & Neuroinflammation.

Changes in periventricular anastomosis after indirect revascularization surgery alone for adult patients with misery perfusion due to ischemic moyamoya disease

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2022, Neurosurgical Review.

Cilostazol may improve cognition better than clopidogrel in non-surgical adult patients with ischemic moyamoya disease: subanalysis of a prospective cohort

K. Ogasawara, S. Fujiwara, Masakazu Kobayashi, 2019, Neurological research.

Amino acid concentrations in the blood of the jugular vein and peripheral artery after traumatic brain injury: decreased release of glutamate into the jugular vein in the early phase.

K. Ogasawara, M. Doi, Michiyasu Suzuki, 2002, Journal of neurotrauma.

Comparison of early and late images on 123I-iomazenil SPECT with cerebral blood flow and oxygen extraction fraction images on PET in the cerebral cortex of patients with chronic unilateral major cerebral artery occlusive disease

K. Ogasawara, A. Ogawa, S. Fujiwara, 2012, Nuclear medicine communications.

Central Benzodiazepine Receptor Binding Potential and CBF Images on SPECT Correlate with Oxygen Extraction Fraction Images on PET in the Cerebral Cortex with Unilateral Major Cerebral Artery Occlusive Disease

Shunrou Fujiwara, Kenji Yoshida, Hiroki Kuroda, 2011, The Journal of Nuclear Medicine.

Brain temperature measured by using proton MR spectroscopy predicts cerebral hyperperfusion after carotid endarterectomy.

Kenji Yoshida, Yoshichika Yoshioka, Kohsuke Kudo, 2010, Radiology.

Brain Temperature Measured Using Proton MR Spectroscopy Detects Cerebral Hemodynamic Impairment in Patients With Unilateral Chronic Major Cerebral Artery Steno-Occlusive Disease: Comparison With Positron Emission Tomography

Takashi Inoue, K. Ogasawara, A. Ogawa, 2009, Stroke.

Preoperative prediction of cerebral hyperperfusion after carotid endarterectomy using middle cerebral artery signal intensity in 1.5-tesla magnetic resonance angiography followed by cerebrovascular reactivity to acetazolamide using brain perfusion single-photon emission computed tomography

J. Yoshida, K. Ogasawara, A. Ogawa, 2016, Neurological Research.

Concentration of Matrix Metalloproteinase-9 in the Jugular Bulb during Carotid Endarterectomy Correlates with Severity of Intraoperative Cerebral Ischemia

K. Ogasawara, Y. Otawara, A. Ogawa, 2008, Cerebrovascular Diseases.

A Case of Bow Hunter^|^apos;s Syndrome presenting after Anterior Cervical Fusion

K. Ogasawara, A. Ogawa, A. Sugawara, 2014 .

Long-term outcomes of cerebral blood flow and neurotransmitter receptor function on 123I-iomazenil SPECT and of cognitive assessments after parent artery occlusion combined with cerebral revascularization for internal carotid artery aneurysms.

K. Ogasawara, T. Murakami, Kenji Yoshida, 2020, World neurosurgery.

Effects of uncomplicated carotid endarterectomy on cognitive function and brain perfusion in patients with unilateral asymptomatic severe stenosis of the internal carotid artery by comparison with unoperated patients

J. Yoshida, K. Ogasawara, S. Fujiwara, 2016, Neurological research.

Postoperative Changes in Cerebral Metabolites Associated with Cognitive Improvement and Impairment after Carotid Endarterectomy: A 3T Proton MR Spectroscopy Study

K. Ogasawara, A. Ogawa, S. Fujiwara, 2013, American Journal of Neuroradiology.

Combination of Preoperative Cerebral Blood Flow and 123I-Iomazenil SPECT Imaging Predicts Postoperative Cognitive Improvement in Patients Undergoing Uncomplicated Endarterectomy for Unilateral Carotid Stenosis

K. Ogasawara, A. Ogawa, Kenji Yoshida, 2012, Clinical nuclear medicine.

Intraoperative monitoring of cerebral cortical blood flow and middle cerebral artery pressure as a substitute for preoperative balloon test occlusion in patients with internal carotid artery aneurysms

K. Ogasawara, R. Kondo, Kenji Yoshida, 2018, Acta Neurochirurgica.

Application of fenestrated aneurysm clip for incomplete clamping of the common carotid artery during carotid endarterectomy: technical note.

K. Ogasawara, Y. Otawara, A. Ogawa, 2009, Neurologia medico-chirurgica.

[A case of orbital apex syndrome due to aspergillus infection that avoided loss of visual acuity by optic canal decompression].

Kiyoshi Saito, A. Shirata, K. Yamane, 2016, Rinsho shinkeigaku = Clinical neurology.

Scar formation in the carotid sheath identified during carotid endarterectomy in patients with previous cardiac surgery: significance of history of intraoperative Swan-Ganz catheter insertion. Clinical article.

K. Ogasawara, A. Ogawa, Junichi Tsuboi, 2010, Journal of neurosurgery.

Arterial Bypass Surgery Using a Spontaneously Formed “Bonnet” Superficial Temporal Artery in a Patient With Symptomatic Common Carotid Artery Occlusion: Case Report

K. Ogasawara, Kenji Yoshida, Kenta Aso, 2010, Neurosurgery.

Postoperative Cortical Neural Loss Associated With Cerebral Hyperperfusion and Cognitive Impairment After Carotid Endarterectomy: 123I-iomazenil SPECT Study

K. Ogasawara, Y. Otawara, A. Ogawa, 2009, Stroke.

K. Ogasawara, A. Ogawa, S. Fujiwara, 2011, The Journal of Nuclear Medicine.

Hypoxic Viable Tissue in Human Chronic Cerebral Ischemia Because of Unilateral Major Cerebral Artery Steno-Occlusive Disease

K. Ogasawara, K. Terasaki, Y. Takai, 2015, Stroke.

Delayed development of cerebral atrophy after cerebral hyperperfusion following arterial bypass for adult patients with ischemic moyamoya disease: supplementary analysis of a 5-year prospective cohort

K. Ogasawara, S. Fujiwara, K. Terasaki, 2022, Acta Neurochirurgica.

K. Ogasawara, A. Ogawa, S. Fujiwara, 2015, Journal of neurosurgery.

Detection of misery perfusion in the cerebral hemisphere with chronic unilateral major cerebral artery steno-occlusive disease using crossed cerebellar hypoperfusion: comparison of brain SPECT and PET imaging

K. Ogasawara, A. Ogawa, S. Fujiwara, 2013, European Journal of Nuclear Medicine and Molecular Imaging.