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Intracranial hemorrhage associated with cerebral hyperperfusion syndrome following carotid endarterectomy and carotid artery stenting: retrospective review of 4494 patients.
OBJECT Intracranial hemorrhage associated with cerebral hyperperfusion syndrome (CHS) following carotid endarterectomy (CEA) or carotid artery stenting (CAS) is a rare but potentially devastating… Expand
Prediction and monitoring of cerebral hyperperfusion after carotid endarterectomy by using single-photon emission computerized tomography scanning.
OBJECT The purpose of this study was to determine whether the preoperative measurement of acetazolamide-induced changes in cerebral blood flow (CBF), which is performed using single-photon emission… Expand
Pretreatment with the Free Radical Scavenger Edaravone Prevents Cerebral Hyperperfusion after Carotid Endarterectomy
- K. Ogasawara, T. Inoue, M. Kobayashi, H. Endo, Takeshi Fukuda, A. Ogawa
- 1 November 2004
OBJECTIVE: Cerebral hyperperfusion syndrome after carotid endarterectomy (CEA) is a rare but potentially devastating complication. The purpose of the present study, which was not a randomized… Expand
Diffusion tensor imaging for preoperative evaluation of tumor grade in gliomas
- T. Inoue, K. Ogasawara, T. Beppu, A. Ogawa, H. Kabasawa
- Clinical Neurology and Neurosurgery
- 1 April 2005
The relationship between water diffusion parameters measured using diffusion tensor imaging (DTI) and histological malignancy of gliomas was investigated. DTI was performed using a 3.0T MR scanner in… Expand
Accuracy and reliability assessment of CT and MR perfusion analysis software using a digital phantom.
PURPOSE To design a digital phantom data set for computed tomography (CT) perfusion and perfusion-weighted imaging on the basis of the widely accepted tracer kinetic theory in which the true values… Expand
High‐resolution Diffusion Tensor Imaging for the Detection of Diffusion Abnormalities in the Trigeminal Nerves of Patients with Trigeminal Neuralgia Caused by Neurovascular Compression
- S. Fujiwara, M. Sasaki, +7 authors K. Ogasawara
- Journal of neuroimaging : official journal of the…
- 1 April 2011
To detect diffusion abnormalities in the trigeminal nerves of patients with trigeminal neuralgia (TN) caused by neurovascular compression (NVC) by using a high‐resolution diffusion tensor imaging… Expand
Transcranial Regional Cerebral Oxygen Saturation Monitoring during Carotid Endarterectomy as a Predictor of Postoperative Hyperperfusion
OBJECTIVEHyperperfusion syndrome is a rare but potentially devastating complication that can occur after carotid endarterectomy (CEA). The purpose of this study was to determine whether… Expand
Oxygen extraction fraction measurement using quantitative susceptibility mapping: Comparison with positron emission tomography
- K. Kudo, Tian Liu, +8 authors M. Sasaki
- Journal of cerebral blood flow and metabolism…
- 1 August 2016
The purposes of this study are to establish oxygen extraction fraction (OEF) measurements using quantitative susceptibility mapping (QSM) of magnetic resonance imaging (MRI), and to compare QSM–OEF… Expand
Cerebrovascular Reactivity to Acetazolamide and Outcome in Patients With Symptomatic Internal Carotid or Middle Cerebral Artery Occlusion: A Xenon-133 Single-Photon Emission Computed Tomography Study
Background and Purpose— The present study prospectively evaluated relationships among baseline characteristics, cerebral hemodynamics, and outcome of patients with symptomatic major cerebral artery… Expand
Differences in CT perfusion maps generated by different commercial software: quantitative analysis by using identical source data of acute stroke patients.
PURPOSE To examine the variability in the qualitative and quantitative results of computed tomographic (CT) perfusion imaging generated from identical source data of stroke patients by using… Expand