Search Results - "Koyanagi, Izumi"

Options of Management of the Patient with Mild Degenerative Cervical Myelopathy by Koyanagi, Izumi, MD

“…Surgical management of patients with mild degenerative cervical myelopathy (DCM) is controversial. This article reviews 84 subjects with cervical spondylotic…”
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Physiological rapid growth of spinal lipoma in the early postnatal period by Yoshifuji, Kazuhisa, Morota, Nobuhito, Omori, Yoshinori, Koyanagi, Izumi, Mikuni, Nobuhiro

“…Spinal lipomas are congenital malformations. They do not express tumorous growth but are found to increase in volume like other normal subcutaneous fat tissue…”
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Neurosurgical versus endovascular treatment of craniocervical junction arteriovenous fistulas: a multicenter cohort study of 97 patients by Takai, Keisuke, Endo, Toshiki, Seki, Toshitaka, Inoue, Tomoo, Koyanagi, Izumi, Mitsuhara, Takafumi

“…Craniocervical junction (CCJ) arteriovenous fistulas (AVFs) are treated using neurosurgical or endovascular options; however, there is still no consensus on…”
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Ischemic complications in the neurosurgical and endovascular treatments of craniocervical junction arteriovenous fistulas: a multicenter study by Takai, Keisuke, Endo, Toshiki, Seki, Toshitaka, Inoue, Tomoo, Koyanagi, Izumi, Mitsuhara, Takafumi, _, _, Ito, Keisuke, Iwasaki, Motoyuki, Uchikado, Hisaaki, Umebayashi, Daisuke, Otsuka, Munehiro, Ohtonari, Tatsuya, Oda, Junpei, Kageyama, Hiroto, Kurokawa, Ryu, Koizumi, Satoshi, Sugawara, Taku, Takeshima, Yasuhiro, Nagashima, Yoshitaka, Nishikawa, Misao, Fujimoto, Masashi, Honda, Fumiaki, Matsui, Seishi, Matsumoto, Yoshihisa, Miyoshi, Yasuyuki, Murata, Hidetoshi, Yasuhara, Takao, Yamahata, Hitoshi, Yamamoto, Shinji, Yamamoto, Yu

“…OBJECTIVE A recent comparative analysis between neurosurgical and endovascular treatments for craniocervical junction (CCJ) arteriovenous fistulas (AVFs)…”
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Congestive myelopathy due to craniocervical junction arteriovenous fistulas mimicking transverse myelitis: a multicenter study on 27 cases by Takai, Keisuke, Endo, Toshiki, Seki, Toshitaka, Inoue, Tomoo

“…Background The purpose was to clarify diagnostic clues and pitfalls in cranio-cervical junction arteriovenous fistulas (CCJ AVFs) with congestive myelopathy…”
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Safety and Validity of Anterior Cervical Disc Replacement for Single-level Cervical Disc Disease: Initial Two-year Follow-up of the Prospective Observational Post-marketing Surveillance Study for Japanese Patients by TAKAMI, Toshihiro, HARA, Takeshi, HARA, Masahito, INUI, Toshihiko, ITO, Kiyoshi, KOYANAGI, Izumi, MIZUNO, Junichi, MIZUNO, Masaki, NAKASE, Hiroyuki, SHIMOKAWA, Nobuyuki, SUGAWARA, Taku, SUZUKI, Shinsuke, TAKAHASHI, Toshiyuki, TAKAYASU, Masakazu, TANI, Satoshi, HIDA, Kazutoshi, KIM, Phyo, ARAI, Hajime, Neurospinal Society of Japan, The Japan Neurosurgical Society

“…Anterior cervical disc replacement (ACDR) using cervical artificial disc (CAD) has the advantage of maintaining the range of motion (ROM) at the surgical…”
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Pathophysiology and surgical treatment of spinal adhesive arachnoid pathology: patient series by Koyanagi, Izumi, Chiba, Yasuhiro, Uemori, Genki, Imamura, Hiroyuki, Yoshino, Masami, Aida, Toshimitsu

“…BACKGROUND Spinal adhesive arachnoid pathology is a rare cause of myelopathy. Because of rarity and variability, mechanisms of myelopathy are unknown. The…”
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Intraoperative indocyanine green videoangiography for spinal vascular lesions: case report by Murakami, Tomohiro, Koyanagi, Izumi, Kaneko, Takahisa, Iihoshi, Satoshi, Houkin, Kiyohiro

“…In surgery of spinal vascular lesions such as spinal arteriovenous fistula or vascular tumors, assessment of feeding arteries and draining veins is important…”
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Surgical Outcomes of High-Grade Spinal Cord Gliomas by Seki, Toshitaka, Hida, Kazutoshi, Yano, Syunsuke, Aoyama, Takeshi, Koyanagi, Izumi, Houkin, Kiyohiro

“…A retrospective study. The purpose of this study was to obtain useful information for establishing the guidelines for treating high-grade spinal cord gliomas…”
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Anatomical variations in pneumatization of the anterior clinoid process by MIKAMI, Takeshi, MINAMIDA, Yoshihiro, KOYANAGI, Izumi, BABA, Takeo, HOUKIN, Kiyohiro

“…An anterior clinoidectomy can provide enormous benefits, facilitating the management of paraclinoid and upper basilar artery lesions, but it also carries the…”
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Clinical Factors for Prognosis and Treatment Guidance of Spinal Cord Astrocytoma by Seki, Toshitaka, Hida, Kazutoshi, Yano, Shunsuke, Aoyama, Takeshi, Koyanagi, Izumi, Sasamori, Toru, Hamauch, Shuji, Houkin, Kiyohiro

“…Retrospective study. To obtain information useful in establishing treatment guidelines by evaluating baseline clinical features and treatment outcomes of…”
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Surgical Outcome of Children and Adolescents with Tethered Cord Syndrome by Seki, Toshitaka, Hida, Kazutoshi, Yano, Shunsuke, Sasamori, Toru, Hamauch, Shuji, Koyanagi, Izumi, Houkin, Kiyohiro

“…Retrospective cohort study. To compare long-term results of surgery with the outcomes of symptomatic and asymptomatic tethered cord syndrome (TCS) in children…”
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Dissection Aneurysm of the Radiculomedullary Branch of the Artery of Adamkiewicz With Subarachnoid Hemorrhage: Case Report by IIHOSHI, Satoshi, MIYATA, Kei, MURAKAMI, Tomohiro, KANEKO, Takahisa, KOYANAGI, Izumi

“…A 60-year-old female presented with sudden onset of severe headache and back pain, followed by nausea. The initial head computed tomography (CT) scan revealed…”
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Vascular mechanisms in the pathophysiology of human spinal cord injury by TATOR, C. H, KOYANAGI, I

“…Vascular injury plays an important role in the primary and secondary injury mechanisms that cause damage to the acutely traumatized spinal cord. To understand…”
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Remote Cerebellar Hemorrhage After Foramen Magnum Decompression Surgery for Chiari I Malformation: Case Report by KANEKO, Takahisa, KOYANAGI, Izumi, MURAKAMI, Tomohiro

“…A 47-year-old woman underwent decompressive suboccipital craniectomy and C1 laminectomy with duroplasty in the prone position for Chiari malformation type I…”
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Clinical standard of neurosurgical disorder (13) spine and spinal cord injury by Koyanagi, Izumi

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Susceptibility-Weighted Magnetic Resonance Imaging for the Detection of Cerebral Microhemorrhage in Patients With Traumatic Brain Injury by AKIYAMA, Yukinori, MIYATA, Kei, HARADA, Kuniaki, MINAMIDA, Yoshihiro, NONAKA, Tadashi, KOYANAGI, Izumi, ASAI, Yasufumi, HOUKIN, Kiyohiro

“…The sensitivity of susceptibility-weighted magnetic resonance (MR) imaging was compared with conventional MR sequences, including T2*-weighted imaging, and…”
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Cervical spinal cord injuries associated with resuscitation from fatal circulatory collapse by Miyata, Kei, Mikami, Takeshi, Koyanagi, Izumi, Mikuni, Nobuhiro, Narimatsu, Eichi

“…Introduction Fatal cervical spinal cord injury (SCI) associated with collapse of the circulatory and/or respiratory system usually consists of high cervical…”
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Endovascular Therapy of Radicular Arteriovenous Fistula at the Craniocervical Junction Fed by the Posterior Inferior Cerebellar Artery by Miyata, Kei, Iihoshi, Satoshi, Koyanagi, Izumi, Wanibuchi, Masahiko, Sugino, Toshiya, Nomura, Kazuhito, Narimatsu, Eichi, Mikuni, Nobuhiro

“…Objective: Arteriovenous fistula (AVF) at the craniocervical junction (CCJ) is a rare intracranial vascular disorder that is one cause of subarachnoid…”
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Prediction of prolonged postprocedural hypotension after carotid artery stenting by Nonaka, Tadashi, Oka, Shinichi, Miyata, Kei, Mikami, Takeshi, Koyanagi, Izumi, Houkin, Kiyohiro, Yoshifuji, Kazuhisa, Imaizumi, Toshio

“…Stent placement for the treatment of carotid artery stenosis may cause hemodynamic instability that induces ischemic complications for patients with bilateral…”
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