Search Results - "Sakai, Chiaki"

Candidate drugs for preventive treatment of unruptured intracranial aneurysms: A cross-sectional study by Shimizu, Kampei, Imamura, Hirotoshi, Tani, Shoichi, Adachi, Hidemitsu, Sakai, Chiaki, Ishii, Akira, Kataoka, Hiroharu, Miyamoto, Susumu, Aoki, Tomohiro, Sakai, Nobuyuki

“…Establishment of drug therapy to prevent rupture of unruptured intracranial aneurysms (IAs) is needed. Previous human and animal studies have gradually…”
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Japanese Postmarket Surveillance of Percutaneous Transluminal Angioplasty and Wingspan Stenting for Intracranial Atherosclerotic Disease by Imamura, Hirotoshi, Sakai, Nobuyuki, Sakai, Chiaki, Hasegawa, Yasuhiro, Hyodo, Akio, Iihara, Koji, Minematsu, Kazuo, Ogasawara, Kuniaki

“…The Wingspan stent system was approved as a rescue device for angioplasty of intracranial atherosclerotic disease (ICAD) in 2012. We conducted the…”
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Trends and Progress in Neuroendovascular Treatment in Japan: Japanese Registry of Neuroendovascular Therapy (JR-NET) 4. Main Report by SAKAI, Nobuyuki, FUJIWARA, Satoru, UCHIDA, Kazutaka, IIHARA, Koji, IMAMURA, Hirotoshi, ISHII, Akira, MATSUMARU, Yuji, SAKAI, Chiaki, SATOW, Tetsu, YOSHIMURA, Shinichi, MATSUMOTO, Yasushi, OISHI, Hidenori, KIMURA, Naoto, EZURA, Masayuki, NOMURA, Tatsufumi, OTA, Shinzo, HYODO, Akio, SHIMIZU, Fuminori, Japanese Registry of Neuroendovascular Therapy (JR-NET) Investigators

“…We reported the main results of the Japanese Registry of Neuroendovascular Therapy (JR-NET) 4, a nationwide surveillance of therapy (NET) in Japan from January…”
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Incidence and Outcomes of Aneurysmal Subarachnoid Hemorrhage: A Multicenter Retrospective Registry-based Descriptive Trial in Kobe City by OHTA, Tsuyoshi, MATSUMOTO, Shirabe, FUKUMITSU, Ryu, IMAMURA, Hirotoshi, ADACHI, Hidemitsu, HARA, Yoshie, HOSODA, Kohkichi, KIMURA, Hidehito, KUWAYAMA, Kazuyuki, MIZOWAKI, Takashi, MOTOOKA, Yasuhiko, MIYATA, Shiro, SHINODA, Narihide, UENO, Yasushi, YAMAURA, Ikuya, YOSHIDA, Yasuhisa, SAKAI, Chiaki, SAKAI, Nobuyuki

“…The current study aims to evaluate the incidence and results of aneurysmal subarachnoid hemorrhage (aSAH) throughout Kobe City. Based on a multicenter…”
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The Current Status of Endovascular Treatment for Extracranial Vertebral Artery Stenosis in Japan: A Subanalysis of the Japanese Registry of Neuroendovascular Therapy 4 by FUJIWARA, Satoru, ISHII, Akira, OHTA, Tsuyoshi, OHARA, Nobuyuki, KAWAMOTO, Michi, IIHARA, Koji, IMAMURA, Hirotoshi, MATSUMARU, Yuji, SAKAI, Chiaki, SATOW, Tetsu, YOSHIMURA, Shinichi, SAKAI, Nobuyuki, Japanese Registry of Neuroendovascular Therapy (JR-NET) Investigators

“…Endovascular treatment (EVT) is a potential therapeutic option for extracranial vertebral artery (VA) stenosis; however, its efficacy or optimal procedures…”
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Real-world Data of Antithrombotic Therapy in Neuroendovascular Therapy: Analysis of JR-NET 4 by SASAKI, Nozomi, ENOMOTO, Yukiko, YAMAGAMI, Hiroshi, IIHARA, Koji, ISHII, Akira, IMAMURA, Hirotoshi, SAKAI, Nobuyuki, SAKAI, Chiaki, SATOW, Tetsu, MATSUMARU, Yuji, YOSHIMURA, Shinichi

“…As the number of neuroendovascular therapies in Japan increases, the current trends in periprocedural antithrombotic therapy must be understood.We…”
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Comparison of practical methods in clinical sites for estimating cerebral blood flow during balloon test occlusion by Tani, Shoichi, Imamura, Hirotoshi, Asai, Katsunori, Shimizu, Kampei, Adachi, Hidemitsu, Tokunaga, So, Funatsu, Takayuki, Suzuki, Keita, Adachi, Hiromasa, Kawabata, Shuhei, Matsui, Yuichi, Sasaki, Natsuhi, Akiyama, Ryo, Horiuchi, Kazufumi, Sakai, Chiaki, Sakai, Nobuyuki

“…The authors sought to compare methods of measurement for venous phase delay (VPD) or mean stump pressure (MSTP) to rank their potential to predict ischemic…”
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Relation between duration of dual antiplatelet therapy and risk of ischemic stroke after stent-assisted treatment of cerebral aneurysm (DAPTS ACE-registry) by Ozaki, Tomohiko, Yamagami, Hiroshi, Morimoto, Masafumi, Imamura, Hirotoshi, Hatano, Taketo, Oishi, Hidenori, Haraguchi, Koichi, Yoshimura, Shinichi, Satow, Tetsu, Sugiu, Kenji, Iihara, Koji, Matsumaru, Yuji, Hayakawa, Mikito, Matsumoto, Yasushi, Sakai, Chiaki, Miyamoto, Susumu, Kitagawa, Kazuo, Kagimura, Tatsuo, Sakai, Nobuyuki

“…The optimal duration of dual antiplatelet therapy (DAPT) in patients with cerebral aneurysm who undergo stent-assisted coil embolization (SACE) has not been…”
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Efforts toward Gender Equality and Diversity in the Japanese Society for Neuroendovascular Therapy by Enomoto, Yukiko, Sugiu, Kenji, Sakai, Chiaki, Sakamoto, Makoto, Yazawa, Yukako, Okahara, Mika, Higaki, Ayuho, Shigematsu, Tomoyoshi, Matsumaru, Yuji

“…The Japanese Society for Neuroendovascular Therapy (JSNET) is a diverse subspecialty society based on four basic fields and is continuously growing with the…”
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Short- versus long-term Dual AntiPlatelet Therapy for Stent-Assisted treatment of CErebral aneurysm (DAPTS ACE): a multicenter, open-label, randomized clinical trial by Ozaki, Tomohiko, Yamagami, Hiroshi, Morimoto, Masafumi, Hatano, Taketo, Oishi, Hidenori, Haraguchi, Koichi, Yoshimura, Shinichi, Sugiu, Kenji, Iihara, Koji, Matsumaru, Yuji, Matsumoto, Yasushi, Satow, Tetsu, Hayakawa, Mikito, Sakai, Chiaki, Miyamoto, Susumu, Kitagawa, Kazuo, Daimon, Takashi, Kagimura, Tatsuo, Sakai, Nobuyuki

“…The optimal duration of dual antiplatelet therapy (DAPT) after stent-assisted coil embolization (SACE) for cerebral aneurysm remains uncertain. This randomized…”
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Optimal dilution of contrast medium for quantitating parenchymal blood volume using a flat-panel detector by Kuriyama, Takumi, Sakai, Nobuyuki, Beppu, Mikiya, Sakai, Chiaki, Imamura, Hirotoshi, Kojima, Iwao, Masago, Katsuhiro, Katakami, Nobuyuki

“…Objective Similar to perfusion studies after acute ischemic stroke, measuring cerebral blood volume (CBV) via C-arm computed tomography before and after…”
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Clinical Trial of the New Stent Retriever Tron FX for both Proximal and Distal Intracranial Large Vessel Occlusions by Imamura, Hirotoshi, Sakai, Nobuyuki, Yamagami, Hiroshi, Satow, Tetsu, Matsumoto, Yasushi, Imai, Keisuke, Ota, Shinzo, Horie, Nobutaka, Kondo, Rei, Enomoto, Yukiko, Yoshimura, Shinichi, Hirohata, Masaru, Shibata, Masunari, Matsumaru, Yuji, Ohara, Nobuyuki, Sakai, Chiaki

“…•We report a clinical trial of the Tron FX stent retriever, including the smallest size of 2/15 mm for distal intracranial LVO.•The Tron FX were used as the…”
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Postoperative in-stent protrusion is an important predictor of perioperative ischemic complications after carotid artery stenting by Beppu, Mikiya, Mineharu, Yohei, Imamura, Hirotoshi, Adachi, Hidemitsu, Sakai, Chiaki, Tani, Shoichi, Arimura, Koichi, Tokunaga, So, Sakai, Nobuyuki

“…Although in-stent protrusion is a potential risk factor for thromboembolism following carotid artery stenting, the correlation between in-stent protrusion and…”
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Endovascular parent-artery occlusion of large or giant unruptured internal carotid artery aneurysms. A long-term single-center experience by Shimizu, Kampei, Imamura, Hirotoshi, Mineharu, Yohei, Adachi, Hidemitsu, Sakai, Chiaki, Tani, Shoichi, Arimura, Koichi, Beppu, Mikiya, Sakai, Nobuyuki

“…Highlights • Parent-artery occlusion with selective use of low-flow bypass is proposed. • Venous-phase delay >1 s is a predictor of perioperative ischemic…”
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Transvenous Embolization for Brain Arteriovenous Malformations by Koyanagi, Masaomi, Goto, Masanori, Takeda, Junichi, Fukumitsu, Ryu, Sunohara, Tadashi, Fukui, Nobuyuki, Takano, Yuki, Teranishi, Kunimasa, Sakai, Chiaki, Sakai, Nobuyuki, Ohta, Tsuyoshi

“…Brain arteriovenous malformations (bAVMs) are uncommon vascular lesions found in young individuals exhibiting diverse clinical manifestations ranging from…”
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First-in-human trial of Center Wire for neuroendovascular therapy to avoid guidewire-related complications by Matsumoto, Shirabe, Imamura, Hirotoshi, Takayanagi, Ariel, Fukumitsu, Ryu, Goto, Masanori, Sunohara, Tadashi, Fukui, Nobuyuki, Omura, Yoshihiro, Akiyama, Tomoaki, Fukuda, Tatsumaru, Go, Koichi, Kajiura, Shinji, Shigeyasu, Masashi, Asakura, Kento, Horii, Ryo, Naramoto, Yuji, Nishii, Rikuo, Yamamoto, Yasuhiro, Sakai, Chiaki, Imahori, Taichiro, Kaneko, Naoki, Tateshima, Satoshi, Sakai, Nobuyuki

“…Background An exchange maneuver is useful for the delivery of devices to target vessels. However, hemorrhagic complications can occur due to vessel perforation…”
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Four‐Year Follow‐Up on the First‐in‐Human Experience With Nautilus Intrasaccular System Assisted Coiling for Unruptured Intracranial Aneurysms by Sakai, Nobuyuki, Kawabata, Shuhei, Funatsu, Takayuki, Okuda, Tomohiro, Akiyama, Ryo, Beppu, Mikiya, Matsui, Yuichi, Adachi, Hiromasa, Horiuchi, Kazufumi, Imamura, Hirotoshi, Sakai, Chiaki, Tani, Shoichi, Adachi, Hidemitsu, Sasaki, Natsuhi, Tokunaga, So, Fukumitsu, Ryu, Shigematsu, Tomoyoshi

“…BackgroundThe authors present the long‐term (4 year) results of a first‐in‐man, single‐center case series with the Nautilus Intrasaccular System for the…”
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First-in-human trial of Stabilizer device in neuroendovascular therapy by Sakai, Chiaki, Sakai, Nobuyuki, Takayanagi, Ariel, Imamura, Hirotoshi, Ohta, Tsuyoshi, Koyanagi, Masaomi, Goto, Masanori, Fukumitsu, Ryu, Sunohara, Tadashi, Fukui, Nobuyuki, Matsumoto, Shirabe, Akiyama, Tomoaki, Takano, Yuki, Haruyama, Hironori, Go, Koichi, Kajiura, Shinji, Shigeyasu, Masashi, Asakura, Kento, Horii, Ryo, Naramoto, Yuji, Nishii, Rikuo, Yamamoto, Yasuhiro, Teranishi, Kunimasa, Kawade, Satohiro, Imahori, Taichiro, Kaneko, Naoki, Tateshima, Satoshi

“…Flow diverter or stent implantation to intracranial target lesion requires large inner diameter microcatheter navigation. The exchange method using stiff long…”
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Endovascular Treatment of Aneurysmal Subarachnoid Hemorrhage in Japanese Registry of Neuroendovascular Therapy (JR-NET) 1 and 2 by IMAMURA, Hirotoshi, SAKAI, Nobuyuki, SAKAI, Chiaki, FUJINAKA, Toshiyuki, ISHII, Akira, investigators, for the JR-NET

“…To distinguish the characteristics of ruptured cerebral aneurysm that are suitable for endovascular treatment from those that are not, we evaluated factors…”
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X-ray Angiography Perfusion Analysis for the Balloon Occlusion Test of the Internal Carotid Artery by Asai, Katsunori, MD, Imamura, Hirotoshi, MD, PhD, Mineharu, Yohei, MD, PhD, Tani, Shoichi, MD, PhD, Adachi, Hidemitsu, MD, PhD, Narumi, Osamu, MD, PhD, Sato, Shinsuke, MD, Sakai, Chiaki, MD, PhD, Sakai, Nobuyuki, MD, PhD

“…Background A perfusion study should be performed during the balloon occlusion test (BOT) to prevent ischemic events after therapeutic carotid occlusion. We…”
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