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Kuniaki Ogasawara

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Masaki Ohsawa; Tomonori Okamura; Shin-Ichi Omama; Toshiyuki Onoda; Kiyomi Sakata; Fumitaka Tanaka; Kozo Tanno; Tanvir Chowdhury Turin; Yuki Yoshida; Tomoaki Fujioka; Yasuhiro Ishibashi; Kazuyoshi Itai; Tomiko Koyama; Toru Kuribayashi; Shinji Makita; Motoyuki Nakamura; Kuniaki Ogasawara; Akira Ogawa; Akira Okayama
Concordance of CKD stages in estimation by the CKD-EPI equation and estimation by the MDRD equation in the Japanese general population: The Iwate KENCO Study.
Masaki Ohsawa; Tomonori Okamura; Shin-Ichi Omama; Toshiyuki Onoda; Kiyomi Sakata; Fumitaka Tanaka; Kozo Tanno; Tanvir Chowdhury Turin; Yuki Yoshida; Tomoaki Fujioka; Yasuhiro Ishibashi; Kazuyoshi Itai; Tomiko Koyama; Toru Kuribayashi; Shinji Makita; Motoyuki Nakamura; Kuniaki Ogasawara; Akira Ogawa; Akira Okayama
Comparison of Predictability of Future Cardiovascular Events Between Chronic Kidney Disease (CKD) Stage Based on CKD Epidemiology Collaboration Equation and That Based on Modification of Diet in Renal Disease Equation in the Japanese General Population.
Kohsuke Kudo; Kuniaki Ogasawara; Leif Østergaard; Makoto Sasaki; Hiroki Shirato; Steven Warach; Max Wintermark; Soren Christensen
Accuracy and reliability assessment of CT and MR perfusion analysis software using a digital phantom.

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2013: Masaki Ohsawa; Tomonori Okamura; Shin-Ichi Omama; Toshiyuki Onoda; Kiyomi Sakata; Fumitaka Tanaka; Kozo Tanno; Tanvir Chowdhury Turin; Yuki Yoshida; Tomoaki Fujioka; Yasuhiro Ishibashi; Kazuyoshi Itai; Tomiko Koyama; Toru Kuribayashi; Shinji Makita; Motoyuki Nakamura; Kuniaki Ogasawara; Akira Ogawa; Akira Okayama
Concordance of CKD stages in estimation by the CKD-EPI equation and estimation by the MDRD equation in the Japanese general population: The Iwate KENCO Study.
International journal of cardiology 2013;165(2):377-9.
2013: Masaki Ohsawa; Tomonori Okamura; Shin-Ichi Omama; Toshiyuki Onoda; Kiyomi Sakata; Fumitaka Tanaka; Kozo Tanno; Tanvir Chowdhury Turin; Yuki Yoshida; Tomoaki Fujioka; Yasuhiro Ishibashi; Kazuyoshi Itai; Tomiko Koyama; Toru Kuribayashi; Shinji Makita; Motoyuki Nakamura; Kuniaki Ogasawara; Akira Ogawa; Akira Okayama
Comparison of Predictability of Future Cardiovascular Events Between Chronic Kidney Disease (CKD) Stage Based on CKD Epidemiology Collaboration Equation and That Based on Modification of Diet in Renal Disease Equation in the Japanese General Population.
Circulation journal : official journal of the Japanese Circulation Society 2013;77(5):1315-25.
2013: Kohsuke Kudo; Kuniaki Ogasawara; Leif Østergaard; Makoto Sasaki; Hiroki Shirato; Steven Warach; Max Wintermark; Soren Christensen
Accuracy and reliability assessment of CT and MR perfusion analysis software using a digital phantom.
Radiology 2013;267(1):201-11.
2013: Ikuko Uwano; Mao Yamaguchi; Ayumi Saito; Makoto Sasaki; Shunrou Fujiwara; Kohsuke Kudo; Kuniaki Ogasawara; Akira Ogawa
Diffusion Anisotropy Color-Coded Map of Cerebral White Matter: Quantitative Comparison between Orthogonal Anisotropic Diffusion-Weighted Imaging and Diffusion Tensor Imaging.
Journal of neuroimaging : official journal of the American Society of Neuroimaging 2013;23(2):197-201.
2012: Hideki Matsuura; Shinichi Omama; Yuki Yoshida; Manami Akasaka; Shunrou Fujiwara; Takayuki Honda; Atsushi Kamei; Kuniaki Ogasawara
Use of magnetic resonance imaging to identify the edge of a dural tear in an infant with growing skull fracture: a case study.
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery 2012;28(11):1951-4.
2012: Ayumi Saito; Makoto Sasaki; Mao Yamaguchi; Jiro Hitomi; Masakazu Kobayashi; Kohsuke Kudo; Shinsuke Narumi; Kuniaki Ogasawara; Hideki Ohba; Yasuo Terayama
Carotid plaque signal differences among four kinds of T1-weighted magnetic resonance imaging techniques: a histopathological correlation study.
Neuroradiology 2012;54(11):1187-94.
2012: Kozo Tanno; Shinichi Omama; Toshiyuki Onoda; Kiyomi Sakata; Fumitaka Tanaka; Yasuhiro Ishibashi; Kazuyoshi Itai; Tomiko Koyama; Toru Kuribayashi; Shinji Makita; Motoyuki Nakamura; Kuniaki Ogasawara; Akira Ogawa; Masaki Ohsawa; Akira Okayama
Poor self-rated health is significantly associated with elevated C-reactive protein levels in women, but not in men, in the Japanese general population.
Journal of psychosomatic research 2012;73(3):225-31.
2012: Shinji Makita; Yasuhiro Ishibashi; Kazuyoshi Itai; Tomiko Koyama; Toru Kuribayashi; Kuniaki Ogasawara; Akira Ogawa; Masaki Ohsawa; Akira Okayama; Shinichi Omama; Toshiyuki Onoda; Kiyomi Sakata; Kenyu Satoh; Toshie Segawa; Tomohiro Takahashi; Fumitaka Tanaka; Kozo Tanno; Yuki Yoshida; Motoyuki Nakamura
Influence of mild-to-moderate alcohol consumption on cardiovascular diseases in men from the general population.
Atherosclerosis 2012;224(1):222-7.
2012: Takaaki Beppu; Shunrou Fujiwara; Atsuhiko Koeda; Kiyoshi Mori; Shinsuke Narumi; Hideaki Nishimoto; Kuniaki Ogasawara; Makoto Sasaki
Fractional anisotropy in the centrum semiovale as a quantitative indicator of cerebral white matter damage in the subacute phase in patients with carbon monoxide poisoning: correlation with the concentration of myelin basic protein in cerebrospinal fluid.
Journal of neurology 2012;259(8):1698-705.
2012: Shunrou Fujiwara; Atsuhiko Koeda; Kohsuke Kudo; Kiyoshi Mori; Hideaki Nishimoto; Katsumi Sanjo; Makoto Sasaki; Takaaki Beppu; Kuniaki Ogasawara
Detecting damaged regions of cerebral white matter in the subacute phase after carbon monoxide poisoning using voxel-based analysis with diffusion tensor imaging.
Neuroradiology 2012;54(7):681-9.
2012: Ikuko Uwano; Leif Østergaard; Makoto Sasaki; Soren Christensen; Kohsuke Kudo; Kuniaki Ogasawara; Akira Ogawa
CT and MR perfusion can discriminate severe cerebral hypoperfusion from perfusion absence: evaluation of different commercial software packages by using digital phantoms.
Neuroradiology 2012;54(5):467-74.
2012: Hiroki Kuroda; Kuniaki Ogasawara; Taro Suzuki; Kazunori Terasaki; Kenji Yoshida; Kenta Aso; Kohei Chida; Shunrou Fujiwara; Masakazu Kobayashi; Yoshitaka Kubo; Akira Ogawa
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.
Clinical nuclear medicine 2012;37(3):235-40.
2012: Takamasa Nanba; Hideaki Nishimoto; Kuniaki Ogasawara; Shunrou Fujiwara; Masakazu Kobayashi; Kohsuke Kudo; Hiroki Kuroda; Makoto Sasaki; Taro Suzuki; Kenji Yoshida; Akira Ogawa
Postoperative cerebral white matter damage associated with cerebral hyperperfusion and cognitive impairment after carotid endarterectomy: a diffusion tensor magnetic resonance imaging study.
Cerebrovascular diseases (Basel, Switzerland) 2012;34(5-6):358-67.
2012: Yasushi Ogasawara; Kenta Aso; Kohei Chida; Shunrou Fujiwara; Masakazu Kobayashi; Hiroki Kuroda; Kuniaki Ogasawara; Taro Suzuki; Kazunori Terasaki; Takeshi Yamashita; Kenji Yoshida; Akira Ogawa
Preoperative 123I-iomazenil SPECT imaging predicts cerebral hyperperfusion following endarterectomy for unilateral cervical internal carotid artery stenosis.
American journal of nuclear medicine and molecular imaging 2012;2(1):77-87.
2012: Masayuki Onodera; Kentaro Sakamaki; Kiyomi Sakata; Tomohiro Takahashi; Fumitaka Tanaka; Kozo Tanno; Shinichi Omama; Toshiyuki Onoda; Yasuhiro Ishibashi; Takenori Ishisone; Kazuyoshi Itai; Toru Kuribayashi; Shinji Makita; Motoyuki Nakamura; Kuniaki Ogasawara; Akira Ogawa; Masaki Ohsawa; Akira Okayama
Plasma B-type natriuretic peptide is useful for cardiovascular risk assessment in community-based diabetes subjects: comparison with albuminuria.
International heart journal 2012;53(3):176-81.
2012: Yasutaka Kuzu; Hideaki Nishimoto; Kuniaki Ogasawara; Shunro Fujiwara; Takashi Inoue; Yoshiyuki Kanbara; Akira Ogawa
Prediction of motor function outcome after intracerebral hemorrhage using fractional anisotropy calculated from diffusion tensor imaging.
Cerebrovascular diseases (Basel, Switzerland) 2012;33(6):566-73.
2012: Masakazu Kobayashi; Yoshitaka Kubo; Hiroki Kuroda; Kuniaki Ogasawara; Taro Suzuki; Takeshi Yamashita; Kenji Yoshida; Akira Ogawa
Ischemic events due to intraoperative microemboli developing in the cerebral hemisphere contralateral to carotid endarterectomy in a patient with preoperative cerebral hemodynamic impairment.
Neurologia medico-chirurgica 2012;52(3):161-4.
2012: Koji Yoshida; Yasunari Otawara; Kenji Yoshida; Masakazu Kobayashi; Yoshitaka Kubo; Kuniaki Ogasawara; Akira Ogawa
Improvement and impairment in cognitive function after carotid endarterectomy: comparison of objective and subjective assessments.
Neurologia medico-chirurgica 2012;52(3):154-60.
2012: Hiroaki Saura; Taro Suzuki; Kazunori Terasaki; Takeshi Yamashita; Masakazu Kobayashi; Hiroki Kuroda; Kuniaki Ogasawara; Akira Ogawa
Effect of combination therapy with the angiotensin receptor blocker losartan plus hydrochlorothiazide on brain perfusion in patients with both hypertension and cerebral hemodynamic impairment due to symptomatic chronic major cerebral artery steno-occlusive disease: a SPECT study.
Cerebrovascular diseases (Basel, Switzerland) 2012;33(4):354-61.
2011: Motoyuki Nakamura; Kuniaki Ogasawara; Akira Ogawa; Masaki Ohsawa; Yasuhiro Ishibashi; Takenori Ishisone; Kazuyoshi Itai; Toru Kuribayashi; Shinji Makita; Toshiyuki Onoda; Masayuki Onodera; Kiyomi Sakata; Omama Shinichi; Tomohiro Takahashi; Fumitaka Tanaka; Kozo Tanno; Akira Okayama
Sex-specific threshold levels of plasma B-type natriuretic peptide for prediction of cardiovascular event risk in a Japanese population initially free of cardiovascular disease.
The American journal of cardiology 2011;108(11):1564-9.
2011: Yuiko Sato; Taro Suzuki; Kazunori Terasaki; Kenji Yoshida; Kenta Aso; Kohei Chida; Shunrou Fujiwara; Masakazu Kobayashi; Hiroki Kuroda; Kuniaki Ogasawara; Akira Ogawa
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.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2011;52(9):1400-7.
2011: Masakazu Kobayashi; Yoshitaka Kubo; Hiroki Kuroda; Kuniaki Ogasawara; Makoto Sasaki; Taro Suzuki; Kenji Yoshida; Shunrou Fujiwara; Akira Ogawa
Intentional hypertension during dissection of carotid arteries in endarterectomy prevents postoperative development of new cerebral ischemic lesions caused by intraoperative microemboli.
Neurosurgery 2011;69(2):301-7.
2011: Takaaki Beppu; Shunrou Fujiwara; Kaoru Kudo; Shinsuke Narumi; Hideaki Nishimoto; Kuniaki Ogasawara; Hirotaka Oikawa; Makoto Onodera; Katsumi Sanjo; Makoto Sasaki
1H-magnetic resonance spectroscopy indicates damage to cerebral white matter in the subacute phase after CO poisoning.
Journal of neurology, neurosurgery, and psychiatry 2011;82(8):869-75.
2011: Takaaki Beppu; Hiroshi Kashimura; Kohsuke Kudo; Akira Kurose; Akira Ogawa; Makoto Sasaki; Masaru Takeda; Kuniaki Ogasawara
Prediction of malignancy grading using computed tomography perfusion imaging in nonenhancing supratentorial gliomas.
Journal of neuro-oncology 2011;103(3):619-27.
2011: Kohei Chida; Kuniaki Ogasawara; Hiroki Kuroda; Kenta Aso; Masakazu Kobayashi; Shunrou Fujiwara; Kenji Yoshida; Kazunori Terasaki; Akira Ogawa
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.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2011;52(4):511-8.
2011: Shunrou Fujiwara; Makoto Sasaki; Tsukasa Wada; Kohsuke Kudo; Ryonoshin Hirooka; Daiya Ishigaki; Yasumasa Nishikawa; Ayumi Ono; Mao Yamaguchi; Kuniaki Ogasawara
High-resolution diffusion tensor imaging for the detection of diffusion abnormalities in the trigeminal nerves of patients with trigeminal neuralgia caused by neurovascular compression.
Journal of neuroimaging : official journal of the American Society of Neuroimaging 2011;21(2):e102-8.
2011: Kohsuke Kudo; Makoto Sasaki; Leif Østergaard; Soren Christensen; Ikuko Uwano; Masako Suzuki; Kuniaki Ogasawara; Hiroki Shirato; Akira Ogawa
Susceptibility of Tmax to tracer delay on perfusion analysis: quantitative evaluation of various deconvolution algorithms using digital phantoms.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2011;31(3):908-12.
2011: Yoshitaka Kubo; Akira Kurose; Kuniaki Ogasawara; Manami Akasaka; Jun Kamei; Hiroshi Kashimura; Takahiro Koji; Yasunari Otawara; Makoto Sasaki; Akira Ogawa
Hemorrhagic infarction at 33 days after birth in a healthy full-term neonate.
Vascular health and risk management 2011;7():667-70.
2011: Hideo Saito; Taro Suzuki; Kenji Yoshida; Masakazu Kobayashi; Yoshitaka Kubo; Hiroki Kuroda; Kuniaki Ogasawara; Akira Ogawa
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.
Neurologia medico-chirurgica 2011;51(7):479-83.
2011: Yorihiko Koeda; Tomiko Koyama; Toru Kuribayashi; Shinji Makita; Motoyuki Nakamura; Kuniaki Ogasawara; Akira Ogawa; Masaki Ohsawa; Shin-ichi Omama; Toshiyuki Onoda; Fumitaka Tanaka; Kozo Tanno; Yuki Yoshida; Yasuhiro Ishibashi; Kazuyoshi Itai; Akira Okayama
Serum C-reactive protein levels and death and cardiovascular events in mild to moderate chronic kidney disease.
International heart journal 2011;52(3):180-4.
2010: Kuniaki Ogasawara
[Treatment for cervical carotid artery stenosis using evidenced-based medicine].
Brain and nerve = Shinkei kenkyū no shinpo 2010;62(12):1285-9.
2010: Toshiyuki Murakami; Kuniaki Ogasawara; Yoshichika Yoshioka; Daiya Ishigaki; Makoto Sasaki; Kohsuke Kudo; Kenta Aso; Hideaki Nishimoto; Masakazu Kobayashi; Kenji Yoshida; Akira Ogawa
Brain temperature measured by using proton MR spectroscopy predicts cerebral hyperperfusion after carotid endarterectomy.
Radiology 2010;256(3):924-31.
2010: Kenta Aso; Kuniaki Ogasawara; Masakazu Kobayashi; Kenji Yoshida
Arterial bypass surgery using a spontaneously formed "bonnet" superficial temporal artery in a patient with symptomatic common carotid artery occlusion: case report.
Neurosurgery 2010;67(3 Suppl Operative):onsE316-7; discussion onsE317.
2010: Atsushi Sugawara; Toyohiko Isu; Kyongsong Kim; Ryoji Matsumoto; Masanori Isobe; Kuniaki Ogasawara
Syringomyelia associated with Chiari I malformation treated with foramen magnum decompression and duraplasty using a polyglycolic acid patch and fibrin glue: a case report.
Journal of Nippon Medical School = Nippon Ika Daigaku zasshi 2010;77(4):221-5.
2010: Takaaki Beppu; Hideaki Nishimoto; Daiya Ishigaki; Shunrou Fujiwara; Tomoyuki Yoshida; Hirotaka Oikawa; Katsura Kamada; Makoto Sasaki; Kuniaki Ogasawara
Assessment of damage to cerebral white matter fiber in the subacute phase after carbon monoxide poisoning using fractional anisotropy in diffusion tensor imaging.
Neuroradiology 2010;52(8):735-43.
2010: Hiroshi Kashimura; Yoshitaka Kubo; Kuniaki Ogasawara; Shunsuke Kakino; Kenji Yoshida; Akira Ogawa
Easy dissection of the interhemispheric fissure for treatment of the anterior communicating artery aneurysm by the pterional approach.
World neurosurgery 2010;73(6):688-90.
2010: Yasunari Otawara; Kuniaki Ogasawara; Hiroshi Kashimura; Yoshitaka Kubo; Akira Ogawa; Kouichi Watanabe
Mechanical characteristics and surface elemental composition of a Yasargil titanium aneurysm clip after long-term implantation.
Journal of neurosurgery 2010;112(6):1260-2.
2010: Kuniaki Ogasawara
[Cerebral hyperperfusion after vascular reconstructive surgery for cervical carotid stenosis: update].
No shinkei geka. Neurological surgery 2010;38(5):417-25.
2010: Yoshitaka Kubo; Kuniaki Ogasawara; Hiroshi Kashimura; Yasunari Otawara; Shunsuke Kakino; Atsushi Sugawara; Akira Ogawa
Cognitive function and anxiety before and after surgery for asymptomatic unruptured intracranial aneurysms in elderly patients.
World neurosurgery 2010;73(4):350-3.
2010: Shinsuke Narumi; Makoto Sasaki; Hideki Ohba; Kuniaki Ogasawara; Jiro Hitomi; Kiyofumi Mori; Kazumasa Ohura; Ayumi Ono; Yasuo Terayama
Altered carotid plaque signal among different repetition times on T1-weighted magnetic resonance plaque imaging with self-navigated radial-scan technique.
Neuroradiology 2010;52(4):285-90.
2010: Hiroki Kuroda; Kuniaki Ogasawara; Kenta Aso; Takaaki Beppu; Masakazu Kobayashi; Kohei Chida; Akira Ogawa
Spontaneous recovery of reduced cortical central benzodiazepine receptor binding potential on I-123 Iomazenil SPECT in a patient with status epilepticus.
Clinical nuclear medicine 2010;35(2):126-7.
2010: Hiroshi Kashimura; Kuniaki Ogasawara; Yoshitaka Kubo; Kenji Yoshida; Atsushi Sugawara; Akira Ogawa
A newly designed hydroxyapatite ceramic burr-hole button.
Vascular health and risk management 2010;6():105-8.
2010: Yasumasa Nishikawa; Kazutaka Kobayashi; Hideki Oshima; Chikashi Fukaya; Takamitu Yamamoto; Yoichi Katayama; Akira Ogawa; Kuniaki Ogasawara
Direct relief of levodopa-induced dyskinesia by stimulation in the area above the subthalamic nucleus in a patient with Parkinson's disease--case report.
Neurologia medico-chirurgica 2010;50(3):257-9.
2010: Kohei Chida; Kuniaki Ogasawara; Kenta Aso; Yasunori Suga; Masakazu Kobayashi; Kenji Yoshida; Kazunori Terasaki; Eiki Tsushina; Akira Ogawa
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.
Cerebrovascular diseases (Basel, Switzerland) 2010;29(4):343-51.
2010: Kohsuke Kudo; Makoto Sasaki; Kei Yamada; Suketaka Momoshima; Hidetsuna Utsunomiya; Hiroki Shirato; Kuniaki Ogasawara
Differences in CT perfusion maps generated by different commercial software: quantitative analysis by using identical source data of acute stroke patients.
Radiology 2010;254(1):200-9.
2010: Masakazu Kobayashi; Kuniaki Ogasawara; Kenta Aso; Kohei Chida; Hiroki Kuroda; Kenji Yoshida; Akira Ogawa
Interesting image. I-123 iomazenil SPECT imaging in a patient with hemispheric brain damage due to cerebral ischemia during carotid endarterectomy.
Clinical nuclear medicine 2010;35(1):51-2.
2009: Yasunari Otawara; Kuniaki Ogasawara; Yoshitaka Kubo; Hiroshi Kashimura; Akira Ogawa; Keiko Yamadate
Comparison of postoperative cognitive function in patients undergoing surgery for ruptured and unruptured intracranial aneurysm.
Surgical neurology 2009;72(6):592-5; discussion 595.
2009: Kazuki Masu; Takaaki Beppu; Shunrou Fujiwara; Hideki Kizawa; Hiroshi Kashimura; Akira Kurose; Kuniaki Ogasawara; Makoto Sasaki
Proton magnetic resonance spectroscopy and diffusion-weighted imaging of tumefactive demyelinating plaque.
Neurologia medico-chirurgica 2009;49(9):430-3.
2009: Masakazu Kobayashi; Kuniaki Ogasawara; Yasunori Suga; Kohei Chida; Kenji Yoshida; Yasunari Otawara; Eiki Tsushima; Akira Ogawa
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.
Neurological research 2009;31(7):728-33.
2009: Hiroki Kuroda; Hiroshi Kashimura; Kuniaki Ogasawara; Atsushi Sugawara; Masayuki Sasoh; Hiroshi Arai; Akira Ogawa
Malignant intracranial meningioma with spinal metastasis--case report.
Neurologia medico-chirurgica 2009;49(6):258-61.
2009: Hiroki Kuroda; Kuniaki Ogasawara; Ryonoshin Hirooka; Masakazu Kobayashi; Shunro Fujiwara; Kohei Chida; Daiya Ishigaki; Yasunari Otawara; Akira Ogawa
Prediction of cerebral hyperperfusion after carotid endarterectomy using middle cerebral artery signal intensity in preoperative single-slab 3-dimensional time-of-flight magnetic resonance angiography.
Neurosurgery 2009;64(6):1065-71; discussion 1071-2.
2009: Masakazu Kobayashi; Kuniaki Ogasawara; Kenji Yoshida; Yasunari Otawara; Akira Ogawa
Application of fenestrated aneurysm clip for incomplete clamping of the common carotid artery during carotid endarterectomy: technical note.
Neurologia medico-chirurgica 2009;49(5):225-6; discussion 226-7.
2009: Shunsuke Kakino; Kuniaki Ogasawara; Yoshitaka Kubo; Hiroshi Kashimura; Hiromu Konno; Atsushi Sugawara; Masakazu Kobayashi; Makoto Sasaki; Akira Ogawa
Clinical and angiographic long-term outcomes of vertebral artery-subclavian artery transposition to treat symptomatic stenosis of vertebral artery origin.
Journal of neurosurgery 2009;110(5):943-7.
2009: Yasunari Otawara; Kuniaki Ogasawara; Yoshitaka Kubo; Hiroshi Kashimura; Akira Ogawa; Kouichi Watanabe
Mechanical and surface properties of Yasargil Phynox aneurysm clips after long-term implantation in a patient with cerebral aneurysm.
Neurosurgical review 2009;32(2):193-6; discussion 196-7.
2009: Yoshitaka Kubo; Kuniaki Ogasawara; Akira Kurose; Shunsuke Kakino; Nobuhiko Tomitsuka; Akira Ogawa
Ruptured cerebral fusiform aneurysm with mucopolysaccharide deposits in the tunica media in a patient with Marfan syndrome.
Journal of neurosurgery 2009;110(3):518-20.
2009: Kohei Chida; Kuniaki Ogasawara; Yasunori Suga; Hideo Saito; Masakazu Kobayashi; Kenji Yoshida; Yasunari Otawara; Akira Ogawa
Postoperative cortical neural loss associated with cerebral hyperperfusion and cognitive impairment after carotid endarterectomy: 123I-iomazenil SPECT study.
Stroke; a journal of cerebral circulation 2009;40(2):448-53.
2009: Kenta Aso; Kuniaki Ogasawara; Makoto Sasaki; Masakazu Kobayashi; Yasunori Suga; Kohei Chida; Yasunari Otawara; Akira Ogawa
Preoperative cerebrovascular reactivity to acetazolamide measured by brain perfusion SPECT predicts development of cerebral ischemic lesions caused by microemboli during carotid endarterectomy.
European journal of nuclear medicine and molecular imaging 2009;36(2):294-301.
2009: Takaaki Beppu; Ryonoshin Hirooka; Shunrou Fujiwara; Hiroshi Kashimura; Hideaki Nishimoto; Kuniaki Ogasawara; Akira Ogawa
Choice of posterior subtemporal transtentorial approach for tumor resection in deep anteromedial superior cerebellum.
Neurologia medico-chirurgica 2009;49(1):42-6.
2008: Kuniaki Ogasawara; Yasunori Suga; Makoto Sasaki; Kohei Chida; Masakazu Kobayashi; Kenji Yoshida; Yasunari Otawara; Akira Ogawa
Intraoperative microemboli and low middle cerebral artery blood flow velocity are additive in predicting development of cerebral ischemic events after carotid endarterectomy.
Stroke; a journal of cerebral circulation 2008;39(11):3088-91.
2008: Hiroshi Kashimura; Hiroshi Arai; Kuniaki Ogasawara; Takaaki Beppu; Akira Kurose; Akira Ogawa
Lipomatous meningioma with concomitant acute subdural hematoma--case report--.
Neurologia medico-chirurgica 2008;48(10):466-9.
2008: Hiroshi Kashimura; Kuniaki Ogasawara; Hiroshi Arai; Takaaki Beppu; Takashi Inoue; Tsutomu Takahashi; Koichi Matsuda; Yujiro Takahashi; Shunrou Fujiwara; Akira Ogawa
Fusion of magnetic resonance angiography and magnetic resonance imaging for surgical planning for meningioma--technical note.
Neurologia medico-chirurgica 2008;48(9):418-21; discussion 422.
2008: Hiroshi Kashimura; Kuniaki Ogasawara; Yoshitaka Kubo; Shunsuke Kakino; Kenji Yoshida; Masayuki Sasoh; Hajime Takahashi; Kenji Suzuki; Akira Ogawa
Exposure of the vertebrobasilar artery junction with traction of the dentate ligament for the treatment of large vertebral artery aneurysms: technical note.
Journal of neurosurgery 2008;108(6):1249-52.
2008: Ryounoshin Hirooka; Kuniaki Ogasawara; Makoto Sasaki; Keiko Yamadate; Masakazu Kobayashi; Yasunori Suga; Kenji Yoshida; Yasunari Otawara; Takashi Inoue; Akira Ogawa
Magnetic resonance imaging in patients with cerebral hyperperfusion and cognitive impairment after carotid endarterectomy.
Journal of neurosurgery 2008;108(6):1178-83.
2008: Yoshitaka Kubo; Kuniaki Ogasawara; Shunsuke Kakino; Hiroshi Kashimura; Nobuhiko Tomitsuka; Atsushi Sugawara; Akira Ogawa
Serum inflammatory adhesion molecules and high-sensitivity C-reactive protein correlates with delayed ischemic neurologic deficits after subarachnoid hemorrhage.
Surgical neurology 2008;69(6):592-6; discussion 596.
2008: Masakazu Kobayashi; Kuniaki Ogasawara; Takashi Inoue; Hideo Saito; Yasunori Suga; Akira Ogawa
Endarterectomy for mild cervical carotid artery stenosis in patients with ischemic stroke events refractory to medical treatment.
Neurologia medico-chirurgica 2008;48(5):211-5.
2008: Hiroshi Kashimura; Kuniaki Ogasawara; Yoshitaka Kubo; Shunsuke Kakino; Masayuki Sasoh; Hajime Takahashi; Kenji Suzuki; Akira Ogawa
Brain retraction technique using gelatin sponge in the subtemporal approach.
Neurologia medico-chirurgica 2008;48(3):143-6.
2008: Takaaki Beppu; Yuichi Sato; Noriyuki Uesugi; Yasutaka Kuzu; Kuniaki Ogasawara; Akira Ogawa
Desmoplastic infantile astrocytoma and characteristics of the accompanying cyst. Case report.
Journal of neurosurgery. Pediatrics 2008;1(2):148-51.
2008: Shunsuke Kakino; Kuniaki Ogasawara; Yoshitaka Kubo; Masakazu Kobayashi; Hiroshi Kashimura; Akira Ogawa
Symptomatic occlusion at the origin of the vertebral artery treated using external carotid artery-cervical vertebral artery bypass with interposed saphenous vein graft.
Surgical neurology 2008;69(2):164-8; discussion 168.
2008: Shunsuke Kakino; Kuniaki Ogasawara; Yoshitaka Kubo; Akira Ogawa
Spontaneous pial single-channel arteriovenous fistulae with angiographically occult small feeding arteries: case report.
Surgical neurology 2008;69(2):187-90; discussion 191.
2008: Shunsuke Kakino; Kuniaki Ogasawara; Yoshitaka Kubo; Hideaki Nishimoto; Akira Ogawa
Subtemporal approach to basilar tip aneurysm with division of posterior communicating artery: technical note.
Vascular health and risk management 2008;4(4):931-5.
2008: Yuichi Sato; Shunsuke Kakino; Kuniaki Ogasawara; Yoshitaka Kubo; Hiroki Kuroda; Akira Ogawa
Rupture of a concomitant unruptured cerebral aneurysm within 2 weeks of surgical repair of a ruptured cerebral aneurysm--case report.
Neurologia medico-chirurgica 2008;48(11):512-4.
2008: Daiya Ishigaki; Kuniaki Ogasawara; Yasunori Suga; Hideo Saito; Kohei Chida; Masakazu Kobayashi; Kenji Yoshida; Yasunari Otawara; Akira Ogawa
Concentration of matrix metalloproteinase-9 in the jugular bulb during carotid endarterectomy correlates with severity of intraoperative cerebral ischemia.
Cerebrovascular diseases (Basel, Switzerland) 2008;25(6):587-92.
2008: Yoshitaka Kubo; Kuniaki Ogasawara; Shunsuke Kakino; Hiroshi Kashimura; Kenji Yoshida; Akira Ogawa
Cerebrospinal fluid adrenomedullin concentration correlates with hyponatremia and delayed ischemic neurological deficits after subarachnoid hemorrhage.
Cerebrovascular diseases (Basel, Switzerland) 2008;25(1-2):164-9.
2008: Kuniaki Ogasawara; Masakazu Kobayashi; Yasunori Suga; Kohei Chida; Hideo Saito; Nobukazu Komoribayashi; Yasunari Otawara; Akira Ogawa
Significance of postoperative crossed cerebellar hypoperfusion in patients with cerebral hyperperfusion following carotid endarterectomy: SPECT study.
European journal of nuclear medicine and molecular imaging 2008;35(1):146-52.
2007: Yasunori Suga; Kuniaki Ogasawara; Hideo Saito; Masakazu Kobayashi; Takashi Inoue; Ryuji Kondo; Junichi Tsuboi; Akira Ogawa
[Endarterectomy for cervical internal carotid artery stenosis accompanied with severe aortic valve stenosis--case report].
Brain and nerve = Shinkei kenkyū no shinpo 2007;59(12):1377-81.
2007: Kuniaki Ogasawara; Nobuyuki Sakai; Terumasa Kuroiwa; Kohkichi Hosoda; Koji Iihara; Kazunori Toyoda; Chiaki Sakai; Izumi Nagata; Akira Ogawa
Intracranial hemorrhage associated with cerebral hyperperfusion syndrome following carotid endarterectomy and carotid artery stenting: retrospective review of 4494 patients.
Journal of neurosurgery 2007;107(6):1130-6.
2007: Hideo Saito; Kuniaki Ogasawara; Yoshitaka Kubo; Masayuki Saso; Yasunari Otawara; Akira Ogawa
Treatment of ruptured spontaneous saccular aneurysm in the central artery of the middle cerebral artery using bypass surgery combined with trapping - case report - .
Neurologia medico-chirurgica 2007;47(10):471-4.
2007: Hiroshi Kashimura; Kuniaki Ogasawara; Yoshitaka Kubo; Yasunari Otawara; Akira Ogawa
Microsurgical removal of previously placed aneurysm clips and application of new clips for recurrent cerebral aneurysms. Technical note.
Journal of neurosurgery 2007;107(4):881-3.
2007: Takaaki Beppu; Takashi Inoue; Hideaki Nishimoto; Shinichi Nakamura; Yoichi Nakazato; Kuniaki Ogasawara; Akira Ogawa
Primary granulomatous angiitis of the central nervous system: findings of magnetic resonance spectroscopy and fractional anisotropy in diffusion tensor imaging prior to surgery. Case report.
Journal of neurosurgery 2007;107(4):873-7.
2007: Hiroshi Kashimura; Takashi Inoue; Kuniaki Ogasawara; Hiroshi Arai; Yasunari Otawara; Yoshiyuki Kanbara; Akira Ogawa
Prediction of meningioma consistency using fractional anisotropy value measured by magnetic resonance imaging.
Journal of neurosurgery 2007;107(4):784-7.
2007: Yasunori Suga; Kuniaki Ogasawara; Hideo Saito; Nobukazu Komoribayashi; Masakazu Kobayashi; Takashi Inoue; Yasunari Otawara; Akira Ogawa
Preoperative cerebral hemodynamic impairment and reactive oxygen species produced during carotid endarterectomy correlate with development of postoperative cerebral hyperperfusion.
Stroke; a journal of cerebral circulation 2007;38(10):2712-7.
2007: Yasunari Otawara; Kuniaki Ogasawara; Kaoru Seki; Michihiro Kibe; Yoshitaka Kubo; Akira Ogawa
Intracerebral hemorrhage after prophylactic revascularization in a patient with adult moyamoya disease.
Surgical neurology 2007;68(3):335-7; discussion 337.
2007: Daiya Ishigaki; Hiroshi Arai; Masayuki Sasoh; Kuniaki Ogasawara; Noriyuki Uesugi; Tamotsu Sugai; Shinichi Nakamura; Akira Ogawa
Meningioma in the posterior fossa without dural attachment.
Neurologia medico-chirurgica 2007;47(8):364-6.
2007: Yasunori Suga; Kuniaki Ogasawara; Hideo Saito; Masakazu Kobayashi; Takashi Inoue; Ryuji Kondo; Akira Ogawa
[Proximal ligation of the parent artery for symptomatic tandem stenosis of the extradural internal carotid artery: a case report].
No shinkei geka. Neurological surgery 2007;35(8):787-91.
2007: Hiroshi Kashimura; Kuniaki Ogasawara; Yoshitaka Kubo; Akira Ogawa
Complete neck clipping of internal carotid-posterior communicating artery aneurysms using bayonet-shaped aneurysm clips: technical note.
Neurologia medico-chirurgica 2007;47(6):282-4; discussion 284.
2007: Hideo Saito; Kuniaki Ogasawara; Nobukazu Komoribayashi; Masakazu Kobayashi; Takashi Inoue; Yasunari Otawara; Akira Ogawa
Concentration of malondialdehyde-modified low-density lipoprotein in the jugular bulb during carotid endarterectomy correlates with development of postoperative cognitive impairment.
Neurosurgery 2007;60(6):1067-73; discussion 1073-4.
2007: Takaaki Beppu; Takashi Inoue; Hideaki Nishimoto; Kuniaki Ogasawara; Akira Ogawa; Makoto Sasaki
Preoperative imaging of superficially located glioma resection using short inversion-time inversion recovery images in high-field magnetic resonance imaging.
Clinical neurology and neurosurgery 2007;109(4):327-34.
2007: Takeshi Fukuda; Kuniaki Ogasawara; Masakazu Kobayashi; Nobukazu Komoribayashi; Hidehiko Endo; Takashi Inoue; Yasutaka Kuzu; H Nishimoto; Kazunori Terasaki; Akira Ogawa
Prediction of cerebral hyperperfusion after carotid endarterectomy using cerebral blood volume measured by perfusion-weighted MR imaging compared with single-photon emission CT.
AJNR. American journal of neuroradiology 2007;28(4):737-42.
2007: Masakazu Kobayashi; Kuniaki Ogasawara; Takashi Inoue; Hideo Saito; Nobukazu Komoribayashi; Yasunori Suga; Akira Ogawa
Urgent endarterectomy using pretreatment with free radical scavenger, edaravone, and early clamping of the parent arteries for cervical carotid artery stenosis with crescendo transient ischemic attacks caused by mobile thrombus and hemodynamic cerebral ischemia. Case report.
Neurologia medico-chirurgica 2007;47(3):121-5.
2007: Hiroshi Kashimura; Hiroshi Arai; Kuniaki Ogasawara; Akira Ogawa
Persistent falcine sinus associated with obstruction of the superior sagittal sinus caused by meningioma--case report.
Neurologia medico-chirurgica 2007;47(2):83-4.
2007: Hiroshi Kashimura; Takashi Inoue; Kuniaki Ogasawara; Takaaki Beppu; Yoshiyuki Kanbara; Akira Ogawa
Three-dimensional anisotropy contrast imaging of pontine gliomas: 2 case reports.
Surgical neurology 2007;67(2):156-9; discussion 159.
2007: Yasunari Otawara; Kuniaki Ogasawara; Yoshitaka Kubo; Masayuki Sasoh; Akira Ogawa
Effect of continuous cisternal cerebrospinal fluid drainage for patients with thin subarachnoid hemorrhage.
Vascular health and risk management 2007;3(4):401-4.
2007: Hiroshi Kashimura; Takashi Inoue; Takaaki Beppu; Kuniaki Ogasawara; Akira Ogawa
Diffusion tensor imaging for differentiation of recurrent brain tumor and radiation necrosis after radiotherapy--three case reports.
Clinical neurology and neurosurgery 2007;109(1):106-10.
2006: Yoshitaka Kubo; Kuniaki Ogasawara; Nobuhiko Tomitsuka; Yasunari Otawara; Mikio Watanabe; Akira Ogawa
Wrap-clipping with polytetrafluoroethylene for ruptured blisterlike aneurysms of the internal carotid artery. Technical note.
Journal of neurosurgery 2006;105(5):785-7.
2006: Kuniaki Ogasawara; Yoshitaka Kubo; Nobuhiko Tomitsuka; Masayuki Sasoh; Yasunari Otawara; Hirosmi Arai; Akira Ogawa
Treatment of vertebral artery aneurysms with transposition of the posterior inferior cerebellar artery to the vertebral artery combined with parent artery occlusion. Technical note.
Journal of neurosurgery 2006;105(5):781-4.
2006: Yasunari Otawara; Miguel M Endo; Kuniaki Ogasawara; Yoshitaka Kubo; Akira Ogawa; Kouichi Watanabe
Reliability of cobalt-chromium alloy aneurysm clips after long-term implantations in patients with cerebral aneurysms.
Journal of neurosurgery 2006;105(5):713-6.
2006: Kuniaki Ogasawara; Akira Ogawa
[JET study (Japanese EC-IC Bypass Trial)].
Nihon rinsho. Japanese journal of clinical medicine 2006;64 Suppl 7():524-7.
2006: Kuniaki Ogasawara
[Treatment strategy for concomitant cervical carotid artery and coronary artery diseases].
Nō to shinkei = Brain and nerve 2006;58(10):837-41.
2006: Takaaki Beppu; Kuniaki Ogasawara; Akira Ogawa
Alleviation of intracranial air using carbon dioxide gas during intraventricular tumor resection.
Clinical neurology and neurosurgery 2006;108(7):655-60.
2006: Hiroshi Kashimura; Tomohiko Mase; Kuniaki Ogasawara; Akira Ogawa; Hideo Endo
Trapping and vascular reconstruction for ruptured fusiform aneurysm in the proximal A1 segment of the anterior cerebral artery.
Neurologia medico-chirurgica 2006;46(7):340-3.
2006: Nobukazu Komoribayashi; Kuniaki Ogasawara; Masakazu Kobayashi; Hideo Saitoh; Kazunori Terasaki; Takashi Inoue; Akira Ogawa
Cerebral hyperperfusion after carotid endarterectomy is associated with preoperative hemodynamic impairment and intraoperative cerebral ischemia.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2006;26(7):878-84.
2006: Hideo Saito; Kuniaki Ogasawara; Yoshitaka Kubo; Nobuhiko Tomitsuka; Akira Ogawa
Treatment of ruptured fusiform aneurysm in the posterior cerebral artery with posterior cerebral artery-superior cerebellar artery anastomosis combined with parent artery occlusion: case report.
Surgical neurology 2006;65(6):621-4.
2006: Kuniaki Ogasawara; Takashi Inoue; Masakazu Kobayashi; Takeshi Fukuda; Nobukazu Komoribayashi; Hideo Saitoh; Keiko Yamadate; Akira Ogawa
Cognitive impairment associated with intraoperative and postoperative hypoperfusion without neurologic deficits in a patient undergoing carotid endarterectomy.
Surgical neurology 2006;65(6):577-80; discussion 580-1.
2006: Kuniaki Ogasawara; Nobuhiko Tomitsuka; Masakazu Kobayashi; Nobukazu Komoribayashi; Takeshi Fukuda; Hideo Saitoh; Takashi Inoue; Akira Ogawa
Stevens-Johnson syndrome associated with intravenous acetazolamide administration for evaluation of cerebrovascular reactivity. Case report.
Neurologia medico-chirurgica 2006;46(3):161-3.
2006: Hiroshi Kashimura; Takashi Inoue; Kuniaki Ogasawara; Akira Ogawa
Pontine cavernous angioma resected using the subtemporal, anterior transpetrosal approach determined using three-dimensional anisotropy contrast imaging: technical case report.
Neurosurgery 2006;58(1 Suppl):ONS-E175; discussion ONS-E175.
2006: Hidehiko Endo; Takashi Inoue; Kuniaki Ogasawara; Takeshi Fukuda; Yoshiyuki Kanbara; Akira Ogawa
Quantitative assessment of cerebral hemodynamics using perfusion-weighted MRI in patients with major cerebral artery occlusive disease: comparison with positron emission tomography.
Stroke; a journal of cerebral circulation 2006;37(2):388-92.
2006: Yoshitaka Kubo; Kuniaki Ogasawara; Nobuhiko Tomitsuka; Yasunari Otawara; Shunsuke Kakino; Akira Ogawa
Revascularization and parent artery occlusion for giant internal carotid artery aneurysms in the intracavernous portion using intraoperative monitoring of cerebral hemodynamics.
Neurosurgery 2006;58(1):43-50; discussion 43-50.
2005: Kuniaki Ogasawara; Keiko Yamadate; Masakazu Kobayashi; Hidehiko Endo; Takeshi Fukuda; Kenji Yoshida; Kazunori Terasaki; Takashi Inoue; Akira Ogawa
Effects of the free radical scavenger, edaravone, on the development of postoperative cognitive impairment in patients undergoing carotid endarterectomy.
Surgical neurology 2005;64(4):309-13; discussion 313-4.
2005: Takashi Inoue; Yasutaka Kuzu; Kuniaki Ogasawara; Akira Ogawa
Effect of 3-tesla magnetic resonance imaging on various pressure programmable shunt valves.
Journal of neurosurgery 2005;103(2 Suppl):163-5.
2005: Hidehiko Endo; Yasunari Otawara; Kuniaki Ogasawara; Akira Ogawa; Shin-ichi Nakamura
Ruptured vertebral artery dissecting aneurysm followed by spontaneous acute occlusion and early recanalization: case report.
Neurologia medico-chirurgica 2005;45(8):400-3.
2005: Hideki Matsuura; Takashi Inoue; Kuniaki Ogasawara; Makoto Sasaki; Hiromu Konno; Yasutaka Kuzu; Hideaki Nishimoto; Akira Ogawa
Quantitative analysis of magnetic resonance imaging susceptibility artifacts caused by neurosurgical biomaterials: comparison of 0.5, 1.5, and 3.0 Tesla magnetic fields.
Neurologia medico-chirurgica 2005;45(8):395-8; discussion 398-9.
2005: Kuniaki Ogasawara; Masakazu Kobayashi; Nobukazu Komoribayashi; Takeshi Fukuda; Takashi Inoue; Kazunori Terasaki; Akira Ogawa
Transient crossed cerebellar diaschisis secondary to cerebral hyperperfusion following carotid endarterectomy.
Annals of nuclear medicine 2005;19(4):321-4.
2005: Takaaki Beppu; Takashi Inoue; Yasutaka Kuzu; Kuniaki Ogasawara; Akira Ogawa; Makoto Sasaki
Utility of three-dimensional anisotropy contrast magnetic resonance axonography for determining condition of the pyramidal tract in glioblastoma patients with hemiparesis.
Journal of neuro-oncology 2005;73(2):137-44.
2005: Kuniaki Ogasawara; Makoto Sasaki; Nobuhiko Tomitsuka; Yoshitaka Kubo; Takashi Inoue; Akira Ogawa
Early revascularization in a patient with perfusion computed tomography/diffusion-weighted magnetic resonance imaging mismatch secondary to acute vertebral artery occlusion. Case report.
Neurologia medico-chirurgica 2005;45(6):306-10.
2005: Kuniaki Ogasawara; Nobukazu Komoribayashi; Masakazu Kobayashi; Takeshi Fukuda; Takashi Inoue; Keiko Yamadate; Akira Ogawa
Neural damage caused by cerebral hyperperfusion after arterial bypass surgery in a patient with moyamoya disease: case report.
Neurosurgery 2005;56(6):E1380; discussion E1380.
2005: Takashi Inoue; Kuniaki Ogasawara; Takaaki Beppu; Akira Ogawa; Hiroyuki Kabasawa
Diffusion tensor imaging for preoperative evaluation of tumor grade in gliomas.
Clinical neurology and neurosurgery 2005;107(3):174-80.
2005: Shunsuke Kakino; Kuniaki Ogasawara; Hiromu Konno; Michiyasu Suzuki; Akira Ogawa
Vascular reconstruction using interposition of saphenous vein graft for symptomatic stenosis at the extradural-intradural junction of the vertebral artery. Case report.
Surgical neurology 2005;63(4):385-8.
2005: Takashi Inoue; Kuniaki Ogasawara; Toshihiro Kumabe; Hidefumi Jokura; Mika Watanabe; Akira Ogawa
Minute glioma identified by 3.0 Tesla magnetic resonance spectroscopy--case report.
Neurologia medico-chirurgica 2005;45(2):108-11.
2005: Kuniaki Ogasawara; Takashi Inoue; Masakazu Kobayashi; Hidehoko Endo; Kenji Yoshida; Takeshi Fukuda; Kazunori Terasaki; Akira Ogawa
Cerebral hyperperfusion following carotid endarterectomy: diagnostic utility of intraoperative transcranial Doppler ultrasonography compared with single-photon emission computed tomography study.
AJNR. American journal of neuroradiology 2005;26(2):252-7.
2005: Kuniaki Ogasawara; Keiko Yamadate; Masakazu Kobayashi; Hidehiko Endo; Takeshi Fukuda; Kenji Yoshida; Kazunori Terasaki; Takashi Inoue; Akira Ogawa
Postoperative cerebral hyperperfusion associated with impaired cognitive function in patients undergoing carotid endarterectomy.
Journal of neurosurgery 2005;102(1):38-44.
2005: Takaaki Beppu; Takashi Inoue; Yuji Shibata; Noriyuki Yamada; Akira Kurose; Kuniaki Ogasawara; Akira Ogawa; Hiroyuki Kabasawa
Fractional anisotropy value by diffusion tensor magnetic resonance imaging as a predictor of cell density and proliferation activity of glioblastomas.
Surgical neurology 2005;63(1):56-61; discussion 61.
2005: Yasunari Otawara; Kuniaki Ogasawara; Akira Ogawa; Keiko Yamadate
Cognitive function before and after surgery in patients with unruptured intracranial aneurysm.
Stroke; a journal of cerebral circulation 2005;36(1):142-3.
2004: Toshinari Misaki; Takaaki Beppu; Takashi Inoue; Kuniaki Ogasawara; Akira Ogawa; Hiroyuki Kabasawa
Use of fractional anisotropy value by diffusion tensor MRI for preoperative diagnosis of astrocytic tumors: case report.
Journal of neuro-oncology 2004;70(3):343-8.
2004: Kuniaki Ogasawara; Takashi Inoue; Masakazu Kobayashi; Hidehiko Endo; Takeshi Fukuda; Akira Ogawa
Pretreatment with the free radical scavenger edaravone prevents cerebral hyperperfusion after carotid endarterectomy.
Neurosurgery 2004;55(5):1060-7.
2004: Kuniaki Ogasawara; Takashi Inoue; Masakazu Kobayashi; Hidehiko Endo; Takeshi Fukuda; Akira Ogawa
Intracerebral hemorrhage after carotid endarterectomy associated with asymptomatic perioperative cerebral ischemia detected by cerebral perfusion imaging: case report.
Surgical neurology 2004;62(4):319-22; discussion 323.
2004: Takashi Inoue; Kuniaki Ogasawara; Takaaki Beppu; Akira Ogawa
Three-dimensional anisotropy contrast imaging of gliomatosis cerebri: two case reports.
Surgical neurology 2004;62(2):151-4; discussion 154-5.
2004: Chiaki Mikami; Takashi Inoue; Kuniaki Ogasawara; Akira Ogawa
Medullary streaks in a patient with atherosclerotic internal carotid artery occlusion: case report.
Surgical neurology 2004;62(1):42-4; discussion 44.
2004: Yasunari Otawara; Kuniaki Ogasawara; Yoshitaka Kubo; Nobuhiko Tomitsuka; Mikio Watanabe; Akira Ogawa; Michiyasu Suzuki; Keiko Yamadate
Anxiety before and after surgical repair in patients with asymptomatic unruptured intracranial aneurysm.
Surgical neurology 2004;62(1):28-31; discussion 31.
2004: Kuniaki Ogasawara; Chiaki Mikami; Takashi Inoue; Akira Ogawa
Delayed cerebral hyperperfusion syndrome caused by prolonged impairment of cerebrovascular autoregulation after carotid endarterectomy: case report.
Neurosurgery 2004;54(5):1258-61; discussion 1261-2.
2004: Hideaki Nishimoto; Takaaki Beppu; Seiichi Komoribayashi; Hiromu Konno; Nobuhiko Tomizuka; Kuniaki Ogasawara; Akira Ogawa; Migaku Kikuti; Kouhei Oikawa
[A case of multiple cerebral infarction accompanied by a cor triatriatum].
No shinkei geka. Neurological surgery 2004;32(3):257-60.
2004: Shunsuke Kakino; Kuniaki Ogasawara; Yoshitaka Kubo; Yasunari Otawara; Nobuhiko Tomizuka; Michiyasu Suzuki; Akira Ogawa
Treatment of vertebral artery aneurysms with posterior inferior cerebellar artery-posterior inferior cerebellar artery anastomosis combined with parent artery occlusion.
Surgical neurology 2004;61(2):185-9; discussion 189.
2003: Yasunari Otawara; Kuniaki Ogasawara; Hirotsugu Yukawa; Nobuhiko Tomitsuka; Yoshitaka Kubo; Akira Ogawa; Michiyasu Suzuki
Brain temperature and cerebral blood flow imaging in patients with severe subarachnoid hemorrhage: report of two cases.
Surgical neurology 2003;60(6):549-52; discussion 552.
2003: Nobukazu Komoribayashi; Hiroshi Arai; Yoshitaka Kubo; Takaaki Beppu; Kuniaki Ogasawara; Tamotsu Sugai; Shin-ichi Nakamura; Akira Ogawa
[Granulomatous change of the pituitary stalk caused by Rathke's cleft cyst: a case report].
No shinkei geka. Neurological surgery 2003;31(11):1193-6.
2003: Takashi Inoue; Kuniaki Ogasawara; Hiromu Konno; Akira Ogawa; Hiroyuki Kabasawa
Diffusion tensor imaging in patients with major cerebral artery occlusive disease.
Neurologia medico-chirurgica 2003;43(9):421-5; discussion 426.
2003: Kuniaki Ogasawara; Hirotsugu Yukawa; Masakazu Kobayashi; Chiaki Mikami; Hiromu Konno; Kazunori Terasaki; Takashi Inoue; Akira Ogawa
Prediction and monitoring of cerebral hyperperfusion after carotid endarterectomy by using single-photon emission computerized tomography scanning.
Journal of neurosurgery 2003;99(3):504-10.
2003: Kuniaki Ogasawara; Hiromu Konno; Hirotsugu Yukawa; Hidehiko Endo; Takashi Inoue; Akira Ogawa
Transcranial regional cerebral oxygen saturation monitoring during carotid endarterectomy as a predictor of postoperative hyperperfusion.
Neurosurgery 2003;53(2):309-14; discussion 314-5.
2003: Yasunari Otawara; Kuniaki Ogasawara; Yoshitaka Kubo; Nobuhiko Tomitsuka; Akira Ogawa; Michiyasu Suzuki
Brain and systemic temperature in patients with severe subarachnoid hemorrhage.
Surgical neurology 2003;60(2):159-64; discussion 164.
2003: Masayuki Sasoh; Kuniaki Ogasawara; Kiyoshi Kuroda; Taku Okuguchi; Kazunori Terasaki; Keiko Yamadate; Akira Ogawa
Effects of EC-IC bypass surgery on cognitive impairment in patients with hemodynamic cerebral ischemia.
Surgical neurology 2003;59(6):455-60; discussion 460-3.
2003: Takaaki Beppu; Takashi Inoue; Yuji Shibata; Akira Kurose; Hiroshi Arai; Kuniaki Ogasawara; Akira Ogawa; Shinichi Nakamura; Hiroyuki Kabasawa
Measurement of fractional anisotropy using diffusion tensor MRI in supratentorial astrocytic tumors.
Journal of neuro-oncology 2003;63(2):109-16.
2003: Kuniaki Ogasawara; Taku Okuguchi; Masayuki Sasoh; Masakazu Kobayashi; Hirotsugu Yukawa; Kazunori Terasaki; Takashi Inoue; Akira Ogawa
Qualitative versus quantitative assessment of cerebrovascular reactivity to acetazolamide using iodine-123-N-isopropyl-p-iodoamphetamine SPECT in patients with unilateral major cerebral artery occlusive disease.
AJNR. American journal of neuroradiology 2003;24(6):1090-5.
2003: Hiroshi Kashimura; Takashi Inoue; Kuniaki Ogasawara; Akira Ogawa
Preoperative evaluation of neural tracts by use of three-dimensional anisotropy contrast imaging in a patient with brainstem cavernous angioma: technical case report.
Neurosurgery 2003;52(5):1226-9; discussion 1229-30.
2003: Kuniaki Ogasawara; Hiroshi Ito; Masayuki Sasoh; Taku Okuguchi; Masakazu Kobayashi; Hirotsugu Yukawa; Kazunori Terasaki; Akira Ogawa
Quantitative measurement of regional cerebrovascular reactivity to acetazolamide using 123I-N-isopropyl-p-iodoamphetamine autoradiography with SPECT: validation study using H2 15O with PET.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2003;44(4):520-5.
2003: Hideaki Nishimoto; Tsukasa Wada; Kiyoshi Kuroda; Yuki Yoshida; Taku Okuguchi; Kuniaki Ogasawara; Akira Ogawa; Megumi Hiraga; Akira Takahashi
[A case of the development of cavum vergae after head trauma].
No shinkei geka. Neurological surgery 2003;31(3):297-301.
2003: Teruo Sasaki; Hiroshi Arai; Takaaki Beppu; Kuniaki Ogasawara
Detection of gene amplification and deletion in high-grade gliomas using a genome DNA microarray (GenoSensor Array 300).
Brain tumor pathology 2003;20(2):59-63.
2003: Takaaki Beppu; Katsura Kamada; Ryuji Nakamura; Hiroshi Oikawa; Masaru Takeda; Takeshi Fukuda; Hiroshi Arai; Kuniaki Ogasawara; Akira Ogawa
A phase II study of radiotherapy after hyperbaric oxygenation combined with interferon-beta and nimustine hydrochloride to treat supratentorial malignant gliomas.
Journal of neuro-oncology 2003;61(2):161-70.
2003: Kuniaki Ogasawara; A Noda; S Yasuda; Masakazu Kobayashi; H Yukawa; Akira Ogawa
Effect of calcium antagonist on cerebral blood flow and oxygen metabolism in patients with hypertension and chronic major cerebral artery occlusion: a positron emission tomography study.
Nuclear medicine communications 2003;24(1):71-6.
2002: Hideki Matsuura; Takashi Inoue; Hiromu Konno; Makoto Sasaki; Kuniaki Ogasawara; Akira Ogawa
Quantification of susceptibility artifacts produced on high-field magnetic resonance images by various biomaterials used for neurosurgical implants. Technical note.
Journal of neurosurgery 2002;97(6):1472-5.
2002: Kuniaki Ogasawara
[Clinical significance of measurement of cerebral circulation: update].
No shinkei geka. Neurological surgery 2002;30(10):1041-51.
2002: Yasunari Otawara; Kuniaki Ogasawara; Akira Ogawa; Makoto Sasaki; Kei Takahashi
Evaluation of vasospasm after subarachnoid hemorrhage by use of multislice computed tomographic angiography.
Neurosurgery 2002;51(4):939-42; discussion 942-3.
2002: Kuniaki Ogasawara; Akira Ogawa; Kazunori Terasaki; Hiroaki Shimizu; Teiji Tominaga; Takashi Yoshimoto
Use of cerebrovascular reactivity in patients with symptomatic major cerebral artery occlusion to predict 5-year outcome: comparison of xenon-133 and iodine-123-IMP single-photon emission computed tomography.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2002;22(9):1142-8.
2002: Kuniaki Ogasawara; Shigeru Yasuda; Hirotsugu Yukawa; Munemasa Yamagata; Masato Kin; Akira Ogawa
Atypical finding of brain Tc-99m-ECD SPECT imaging in herpes simplex encephalitis.
Annals of nuclear medicine 2002;16(5):347-50.
2002: Kuniaki Ogasawara; Akira Ogawa; Takashi Yoshimoto
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.
Stroke; a journal of cerebral circulation 2002;33(7):1857-62.
2002: Yasunari Otawara; Kuniaki Ogasawara; Akira Ogawa; Tetsuo Kogure
Dissecting aneurysms of the bilateral vertebral arteries with subarachnoid hemorrhage: report of three cases.
Neurosurgery 2002;50(6):1372-4; discussion 1374-5.
2002: Takaaki Beppu; Katsura Kamada; Yuki Yoshida; Hiroshi Arai; Kuniaki Ogasawara; Akira Ogawa
Change of oxygen pressure in glioblastoma tissue under various conditions.
Journal of neuro-oncology 2002;58(1):47-52.
2002: Yasutaka Kuzu; Takaaki Beppu; Kazuo Sibanai; Kuniaki Ogasawara; Akira Ogawa; Akira Kurose
[A case of malignant peripheral nerve sheath tumor originating from the cervical vagus nerve].
No shinkei geka. Neurological surgery 2002;30(5):523-6.
2002: Kuniaki Ogasawara; Hiromu Konno; Shigeru Yasuda; Hirotsugu Yukawa; Akira Ogawa
Very early and standard Tc-99m ethyl cysteinate dimer SPECT imaging in a patient with reperfusion hyperemia after acute cerebral embolism.
Clinical nuclear medicine 2002;27(2):105-8.
2001: Kuniaki Ogasawara; Kenji Yoshida; Y Otawara; Masakazu Kobayashi; S Yasuda; M Doi; Akira Ogawa
Cerebral blood flow imaging in arteriovenous malformation complicated by normal perfusion pressure breakthrough.
Surgical neurology 2001;56(6):380-4.
2001: Kuniaki Ogasawara; S Yasuda; T Beppu; M Kobayashi; M Doi; K Kuroda; Akira Ogawa
Brain PET and technetium-99m-ECD SPECT imaging in Lhermitte-Duclos disease.
Neuroradiology 2001;43(11):993-6.
2001: Kuniaki Ogasawara; T Beppu; S Yasuda; Masakazu Kobayashi; H Yukawa; Akira Ogawa
Blood flow and oxygen metabolism in a case of Lhermitte-Duclos disease: results of positron emission tomography.
Journal of neuro-oncology 2001;55(1):59-61.
2001: Kuniaki Ogasawara; Akira Ogawa; H Konno; K Shibanai; M Doi; K Kuroda; Takashi Yoshimoto
Combination of early and delayed SPET imaging using technetium-99m ethyl cysteinate dimer immediately after local intra-arterial thrombolysis.
European journal of nuclear medicine 2001;28(4):498-505.
2001: H Endo; Takaaki Beppu; Hiroshi Arai; Kuniaki Ogasawara; T Suzuki; Michiyasu Suzuki; Akira Ogawa; R Saito; T Sawai
[A case report of aspergillus granuloma in the cavernous sinus].
No shinkei geka. Neurological surgery 2001;29(4):325-9.
2001: Kuniaki Ogasawara; Akira Ogawa; M Ezura; H Konno; M Suzuki; T Yoshimoto
Brain single-photon emission CT studies using 99mTc-HMPAO and 99mTc-ECD early after recanalization by local intraarterial thrombolysis in patients with acute embolic middle cerebral artery occlusion.
AJNR. American journal of neuroradiology 2001;22(1):48-53.
2000: T Sasaki; Kuniaki Ogasawara; Hiromu Konno; Michiyasu Suzuki; Akira Ogawa
[Improvement of visual function after balloon angioplasty for innominate artery stenosis: a case report].
No shinkei geka. Neurological surgery 2000;28(12):1101-4.
2000: Kuniaki Ogasawara; Akira Ogawa; M Doi; H Konno; M Suzuki; Takashi Yoshimoto
Prediction of acute embolic stroke outcome after local intraarterial thrombolysis: value of pretreatment and posttreatment 99mTc-ethyl cysteinate dimer single photon emission computed tomography.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2000;20(11):1579-86.
2000: Akira Ogawa; Michiyasu Suzuki; Kuniaki Ogasawara
Aneurysms at nonbranching sites in the surpaclinoid portion of the internal carotid artery: internal carotid artery trunk aneurysms.
Neurosurgery 2000;47(3):578-83; discussion 583-6.
2000: Kuniaki Ogasawara; Akira Ogawa; Taku Okuguchi; Masakazu Kobayashi; Michiyasu Suzuki; Takashi Yoshimoto
Postoperative hyperperfusion syndrome in elderly patients with chronic subdural hematoma.
Surgical neurology 2000;54(2):155-9.
2000: Kuniaki Ogasawara; Akira Ogawa; K Koshu; H Konno; M Suzuki; T Yoshimoto
Hypofixation and hyperfixation of 99mTc-hexamethyl propyleneamine oxime in subacute cerebral infarction.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2000;41(5):795-9.
2000: Taku Okuguchi; Tsukasa Wada; Yuki Yoshida; Takaaki Beppu; Hiroshi Arai; Kuniaki Ogasawara; Michiyasu Suzuki; Akira Ogawa
[A case of intrasellar pure germinoma].
No shinkei geka. Neurological surgery 2000;28(3):263-7.
2000: Y Kubo; M Suzuki; A Kudo; K Yoshida; T Suzuki; Kuniaki Ogasawara; Akira Ogawa; Akira Kurose; T Sawai
Thrombin inhibitor ameliorates secondary damage in rat brain injury: suppression of inflammatory cells and vimentin-positive astrocytes.
Journal of neurotrauma 2000;17(2):163-72.
1999: Kuniaki Ogasawara; K Koshu; Takashi Yoshimoto; Akira Ogawa
Transient hyperemia immediately after rapid decompression of chronic subdural hematoma.
Neurosurgery 1999;45(3):484-8; discussion 488-9.