Kohei Chida
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View article: Transvenous embolization through a cutaneous lumbar vein to treat a spinal epidural arteriovenous fistula: illustrative case
Transvenous embolization through a cutaneous lumbar vein to treat a spinal epidural arteriovenous fistula: illustrative case Open
BACKGROUND Endovascular treatment with transarterial embolization (TAE) or transvenous embolization (TVE) is the mainstay of treatment for spinal epidural arteriovenous fistulas (SEDAVF). In cases of unsuccessful obliteration after TAE, th…
View article: Dural perforation and life-threatening central nervous system complications associated with septic arthritis of the lumbar facet joint: illustrative case
Dural perforation and life-threatening central nervous system complications associated with septic arthritis of the lumbar facet joint: illustrative case Open
BACKGROUND Septic arthritis of the lumbar facet joint (SALFJ) is a rare condition that can lead to serious complications. The authors present an uncommon case in which SALFJ resulted in bacterial meningitis (BM) with hydrocephalus and pyog…
View article: Isolation and Ex Vivo Testing of CD8<sup>+</sup> T-Cell Division and Activation Using Mouse Splenocytes
Isolation and Ex Vivo Testing of CD8<sup>+</sup> T-Cell Division and Activation Using Mouse Splenocytes Open
This protocol describes an ex vivo co-culture method to assess CD8+ T-cell activation, proliferation, and cytotoxic potential using bulk splenocytes isolated from immunocompetent mice. Mouse splenocytes are stimulated with anti-…
View article: Updates on Breast Reconstruction: Surgical Techniques, Challenges, and Future Directions
Updates on Breast Reconstruction: Surgical Techniques, Challenges, and Future Directions Open
The increasing global incidence of breast cancer underscores the significance of breast reconstruction in enhancing patients' quality of life. Breast reconstruction primarily falls into two categories: implant-based techniques and autologo…
View article: Effects of the Japanese traditional medicine Goreisan on adverse events affecting mucosal edema in patients with subarachnoid hemorrhage treated with clazosentan
Effects of the Japanese traditional medicine Goreisan on adverse events affecting mucosal edema in patients with subarachnoid hemorrhage treated with clazosentan Open
Despite successful management of pulmonary complication with fluid restriction protocol in aneurysmal subarachnoid hemorrhage (aSAH) patients treated with clazosentan, management of symptoms related to mucosal edema, such as diarrhea, stuf…
View article: Endovascular treatment for secondary basilar occlusion caused by spontaneous thrombus migration from the vertebral artery: Two case reports
Endovascular treatment for secondary basilar occlusion caused by spontaneous thrombus migration from the vertebral artery: Two case reports Open
View article: Clinical features and treatment outcomes in patients in their twenties with ischemic moyamoya disease
Clinical features and treatment outcomes in patients in their twenties with ischemic moyamoya disease Open
Introduction: Revascularization surgery is recommended for all pediatric patients with moyamoya disease (MMD) with ischemic symptoms because the brains of such patients are still developing. By contrast, no clear guidelines for selective r…
View article: Clinical Features, Radiological Findings, and Outcome in Patients with Symptomatic Mild (<50%) Carotid Stenosis: A MUSIC Study
Clinical Features, Radiological Findings, and Outcome in Patients with Symptomatic Mild (<50%) Carotid Stenosis: A MUSIC Study Open
Background and Purpose Plaque composition, but not stenosis degree, may play a key role in the development of recurrent ischemic events in patients with symptomatic, mild (<50%) carotid stenosis. This multi-center prospective cohort study …
View article: Feasibility of Diffusion-weighted Imaging (DWI) for Assessing Cerebrospinal Fluid Dynamics: DWI-fluidography in the Brains of Healthy Subjects
Feasibility of Diffusion-weighted Imaging (DWI) for Assessing Cerebrospinal Fluid Dynamics: DWI-fluidography in the Brains of Healthy Subjects Open
DWI-fluidography based on the features of DWI signals could show differences of CSF dynamics among anatomical spaces.
View article: A case of contralateral vertebral artery dissection during ramucirumab plus nab-paclitaxel combination therapy with a history of unilateral vertebral artery dissection
A case of contralateral vertebral artery dissection during ramucirumab plus nab-paclitaxel combination therapy with a history of unilateral vertebral artery dissection Open
症例は52歳男性.37歳時に頭痛発症の左椎骨動脈解離に対し,保存的加療を受けた.左椎骨動脈の紡錘状拡大は残存したが,画像的変化は認めず経過していた.51歳時に進行性胃癌に対し,切除術を施行した.術後はTegafur/Gimeracil/Oteracil配合剤による化学療法を行ったが,複数の肝転移が明らかとなり,Ramucirumab+nab-paclitaxel併用療法へ変更した.間もなく強い頭痛を自覚し,頭部MRIで対側の右椎骨動脈に新たな動脈解離が明らかとなった.解離以…
View article: Tumor Resection combined with Internal Carotid Artery Reconstruction using Ipsilateral External Carotid Artery Interposition Graft for a Patient with Carotid Body Paraganglioma
Tumor Resection combined with Internal Carotid Artery Reconstruction using Ipsilateral External Carotid Artery Interposition Graft for a Patient with Carotid Body Paraganglioma Open
View article: Fluid balance management with loop diuretics in patients with aneurysmal subarachnoid hemorrhage treated with clazosentan: A case series
Fluid balance management with loop diuretics in patients with aneurysmal subarachnoid hemorrhage treated with clazosentan: A case series Open
Objective: Pulmonary edema is a common complication in patients receiving clazonsentan. Here, we report our experience in managing fluid balance with loop diuretics in patients with aneurysmal subarachnoid hemorrhage (aSAH) treated with cl…
View article: Assessment of magnetic field interactions and heating for cerebral aneurysm flow diverters during 7T MRI
Assessment of magnetic field interactions and heating for cerebral aneurysm flow diverters during 7T MRI Open
View article: A case of intracerebral hemorrhage due to cerebral hyperperfusion after stenting for acute cervical carotid artery dissection
A case of intracerebral hemorrhage due to cerebral hyperperfusion after stenting for acute cervical carotid artery dissection Open
View article: Five-Year Stroke Risk and Its Predictors in Asymptomatic Moyamoya Disease: Asymptomatic Moyamoya Registry (AMORE)
Five-Year Stroke Risk and Its Predictors in Asymptomatic Moyamoya Disease: Asymptomatic Moyamoya Registry (AMORE) Open
Background: Long-term outcomes are unknown in patients with asymptomatic moyamoya disease. In this report, we aimed to clarify their 5-year risk of stroke and its predictors. Methods: We are conducting a multicenter, prospective cohort stu…
View article: Editorial: Chronic subdural hematoma: Overview of recent therapeutic advancements
Editorial: Chronic subdural hematoma: Overview of recent therapeutic advancements Open
EDITORIAL article Front. Neurol., 03 April 2023Sec. Neurotrauma Volume 14 - 2023 | https://doi.org/10.3389/fneur.2023.1155680
View article: Prediction of cerebral hyperperfusion following carotid endarterectomy using intravoxel incoherent motion magnetic resonance imaging
Prediction of cerebral hyperperfusion following carotid endarterectomy using intravoxel incoherent motion magnetic resonance imaging Open
View article: Middle meningeal artery: An effective pathway for achieving complete obliteration following transarterial Ethylene Vinyl Copolymer (Onyx) embolization of dural arteriovenous fistulas
Middle meningeal artery: An effective pathway for achieving complete obliteration following transarterial Ethylene Vinyl Copolymer (Onyx) embolization of dural arteriovenous fistulas Open
Objective: Transarterial Onyx embolization is the mainstay of intracranial non-cavernous dural arteriovenous fistulas (dAVFs) treatment. Although the dural arterial supply varies depending on the location, the impact of arterial access on …
View article: Assessment of Heating on Titanium Alloy Cerebral Aneurysm Clips during 7T MRI
Assessment of Heating on Titanium Alloy Cerebral Aneurysm Clips during 7T MRI Open
Temperature increases on the right-angled and short straight clips remained below the regulatory limit during 7T MR imaging, but temperature increases on the 45° angled, straight fenestrated, and long straight clips exceeded this limit.
View article: Rupture of Vertebral Artery Dissecting Aneurysm after mRNA Anti-COVID-19 Vaccination: A Report of Two Cases
Rupture of Vertebral Artery Dissecting Aneurysm after mRNA Anti-COVID-19 Vaccination: A Report of Two Cases Open
The coronavirus disease 2019 (COVID-19) pandemic continues to spread around the world, and widespread vaccination is considered the most effective way to end it. Although the efficacy of COVID-19 vaccines has been confirmed, their safety r…
View article: Optimal timing for measuring cerebral blood flow after acetazolamide administration to detect preexisting cerebral hemodynamics and metabolism in patients with bilateral major cerebral artery steno-occlusive diseases: <sup>15</sup>O positron emission tomography studies.
Optimal timing for measuring cerebral blood flow after acetazolamide administration to detect preexisting cerebral hemodynamics and metabolism in patients with bilateral major cerebral artery steno-occlusive diseases: <sup>15</sup>O positron emission tomography studies. Open
The present study determined the optimal timing of scanning for measurement of cerebral blood flow (CBF) after acetazolamide (ACZ) administration for detection of preexisting cerebral hemodynamics and metabolism in bilateral major cerebral…
View article: Comparison of Subjective and Objective Assessments on Improvement in Gait Function after Carotid Endarterectomy
Comparison of Subjective and Objective Assessments on Improvement in Gait Function after Carotid Endarterectomy Open
The purpose of the present study was to determine whether objective gait test scores obtained using a tri-axial accelerometer can detect subjective improvement in gait as determined by the patient after carotid endarterectomy (CEA). Each p…
View article: Identification of the Distal End of Carotid Plaque Using 3-Dimensional Fast Spin Echo T1-Weighted Magnetic Resonance Plaque Imaging
Identification of the Distal End of Carotid Plaque Using 3-Dimensional Fast Spin Echo T1-Weighted Magnetic Resonance Plaque Imaging Open
Using 3D-FSE T1-weighted MR plaque imaging allowed identification of the distal end of carotid plaque and contributed to complete removal of the plaque, although it may be reduced for cases with low-signal-intensity plaque or severe tortuo…
View article: Impact of cerebral blood flow changes due to arterial bypass surgery on cognitive function in adult patients with symptomatic ischemic moyamoya disease
Impact of cerebral blood flow changes due to arterial bypass surgery on cognitive function in adult patients with symptomatic ischemic moyamoya disease Open
OBJECTIVE Some adult patients with moyamoya disease (MMD) undergoing revascularization surgery show an improvement or decline in cognition postoperatively. Revascularization surgery for ischemic MMD augments cerebral blood flow (CBF) and i…
View article: Primary Intramedullary Malignant Lymphoma in the Cervical Cord with a Presyrinx State
Primary Intramedullary Malignant Lymphoma in the Cervical Cord with a Presyrinx State Open
A 79-year-old man presented with primary intramedullary malignant lymphoma with a presyrinx state in the cervical cord manifesting as left hemiparesis and hemidysesthesia. The magnetic resonance imaging (MRI) scan showed an intramedullary …
View article: Improvement and impairment in cognitive function after carotid endarterectomy: <sup>123</sup>I-iomazenil SPECT study
Improvement and impairment in cognitive function after carotid endarterectomy: <sup>123</sup>I-iomazenil SPECT study Open
頸動脈内膜剝離術により認知機能が改善することが報告されている一方で，術後過灌流を併発した場合，無症候性であっても認知機能障害を来すとされている．しかし，いずれにおいても詳細なメカニズムは明らかではなかった．元来てんかんの焦点を検出するために用いられてきた123I-iomazeni（l IMZ）を用いたsingle photon emission computed tomography（SPECT）は，大脳皮質のgamma-amino butyric acid（GABA）レセ…
View article: An unusual variant of the common trunk of the fronto-orbital and frontopolar arteries associated with a ruptured aneurysm of the A1 segment of the anterior cerebral artery
An unusual variant of the common trunk of the fronto-orbital and frontopolar arteries associated with a ruptured aneurysm of the A1 segment of the anterior cerebral artery Open
Recognizing this variant preoperatively, could be helpful in preventing the complications of surgery.
View article: Microsurgical clipping for the true posterior communicating artery aneurysm in the distal portion of the posterior communicating artery
Microsurgical clipping for the true posterior communicating artery aneurysm in the distal portion of the posterior communicating artery Open
We speculated that blood flow into the PCoA gradually increased after occlusion of the left vertebral artery, which induced tortuosity of the PCoA. As a result, hemodynamic stress might increase near the curvature and cause aneurysm format…