Intracranial hemorrhage associated with cerebral hyperperfusion syndrome following carotid endarterectomy and carotid artery stenting: retrospective review of 4494 …

K Ogasawara, N Sakai, T Kuroiwa, K Hosoda… - Journal of …, 2007 - thejns.org
Object Intracranial hemorrhage associated with cerebral hyperperfusion syndrome (CHS)
following carotid endarterectomy (CEA) or carotid artery stenting (CAS) is a rare but potentially …

Differences in CT perfusion maps generated by different commercial software: quantitative analysis by using identical source data of acute stroke patients

…, H Utsunomiya, H Shirato, K Ogasawara - Radiology, 2010 - pubs.rsna.org
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 …

Japan stroke society guideline 2021 for the treatment of stroke

S Miyamoto, K Ogasawara, S Kuroda… - … Journal of Stroke, 2022 - journals.sagepub.com
The revised Japan Stroke Society Guidelines for the Treatment of Stroke were published in
Japanese in July 2021. In this article, the extracted recommendation statements are …

Effects of extracranial–intracranial bypass for patients with hemorrhagic moyamoya disease: results of the Japan Adult Moyamoya Trial

…, I Yabe, F Moriwaka, A Ogawa, K Ogasawara… - Stroke, 2014 - Am Heart Assoc
Background and Purpose— About one half of those who develop adult-onset moyamoya
disease experience intracranial hemorrhage. Despite the extremely high frequency of …

Effects of EC-IC bypass surgery on cognitive impairment in patients with hemodynamic cerebral ischemia

M Sasoh, K Ogasawara, K Kuroda, T Okuguchi… - Surgical neurology, 2003 - Elsevier
BACKGROUND: Chronic ischemia because of internal carotid artery (ICA) occlusive
disease may result in dementia. The goal of this study was to assess cognitive impairment in …

Aneurysms at nonbranching sites in the supraclinoid portion of the internal carotid artery: internal carotid artery trunk aneurysms

A Ogawa, M Suzuki, K Ogasawara - Neurosurgery, 2000 - journals.lww.com
OBJECTIVE: Aneurysms at nonbranching sites in the supraclinoid internal carotid artery (ICA),
known as blood blister-like aneurysms or ICA anterior or dorsal wall aneurysms, are not …

Twenty-year change in severity and outcome of ischemic and hemorrhagic strokes

…, K Iihara, R Itabashi, T Kitazono, K Ogasawara… - JAMA …, 2022 - jamanetwork.com
Importance Whether recent changes in demographic characteristics and therapeutic
technologies have altered stroke outcomes remains unknown. Objective To determine secular …

Cerebrovascular reactivity to acetazolamide and outcome in patients with symptomatic internal carotid or middle cerebral artery occlusion: a xenon-133 single-photon …

K Ogasawara, A Ogawa, T Yoshimoto - Stroke, 2002 - Am Heart Assoc
Background and Purpose— The present study prospectively evaluated relationships among
baseline characteristics, cerebral hemodynamics, and outcome of patients with symptomatic …

Diffusion tensor imaging for preoperative evaluation of tumor grade in gliomas

T Inoue, K Ogasawara, T Beppu, A Ogawa… - Clinical neurology and …, 2005 - Elsevier
The relationship between water diffusion parameters measured using diffusion tensor imaging
(DTI) and histological malignancy of gliomas was investigated. DTI was performed using …

Prediction and monitoring of cerebral hyperperfusion after carotid endarterectomy by using single-photon emission computerized tomography scanning

K Ogasawara, H Yukawa, M Kobayashi, C Mikami… - Journal of …, 2003 - thejns.org
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 …