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Sakyo Hirai, Ryoichi Hanazawa, Masataka Yoshimura, Keigo Shigeta, Yohei Sato, Naoki Taira, Yoshihisa Kawano, Jun Karakama, Yoshiki Obata, Mutsuya Hara, Kenji Yamada, Yosuke Ishii, Kana Sawada, Shogo Imae, Hikaru Wakabayashi, Hirotaka Sagawa, Kyohei Fujita, Shoko Fujii, Satoru Takahashi, Akihiro Hirakawa, Shigeru Nemoto, Kazutaka Sumita. Safety and Efficacy of Management for Intraprocedural Rupture During Endovascular Treatment for Intracranial Aneurysms. Neurosurgery. 2024.08; ( PubMed, DOI )

Yamaoka H, Hirai S, Hanazawa R, Yoshimura M, Hayashi T, Kaneoka A, Yamada K, Yoshino Y, Ebiko Y, Yamamura T, Ishikawa M, Sagawa H, Aoyama J, Fujii S, Fujita K, Kawano Y, Hirakawa A, Sumita K. A thoracic CT imaging parameter predicting access difficulty in acute stroke thrombectomy. Clinical neurology and neurosurgery. 2024.07; 244 108453. ( PubMed, DOI )

Shin Hirota, Kyohei Fujita, Tadahiro Ishiwada, Satoru Takahashi, Sakyo Hirai, Hirotaka Sagawa, Hikaru Wakabayashi, Jiro Aoyama, Shoko Fujii, Hiroto Yamaoka, Masataka Yoshimura, Keigo Shigeta, Yohei Sato, Kana Sawada, Kenji Yamada, Toshihiro Yamamura, Yosuke Ishii, Yoshiki Obata, Mutsuya Hara, Yoshihisa Kawano, Shinji Yamamoto, Shigeru Nemoto, Kazutaka Sumita, . Contact aspiration for basilar artery occlusion safely reduces the puncture-to-recanalization time. Clin Neurol Neurosurg. 2024.05; 242 108331. ( PubMed, DOI )

Tanaka K, Miwa K, Koga M, Yoshimura S, Kamiyama K, Yagita Y, Nagakane Y, Hoshino H, Terasaki T, Okada Y, Yakushiji Y, Takahashi S, Ueda T, Hasegawa Y, Shiozawa M, Sasaki M, Kudo K, Tanaka J, Nishihara M, Yamaguchi Y, Fujita K, Honda Y, Kawano H, Ide T, Yoshimoto T, Ihara M, Hirano T, Toyoda K, Bleeding with Antithrombotic Therapy 2 Investigators. Cerebral Small Vessel Disease Burden for Bleeding Risk during Antithrombotic Therapy: Bleeding with Antithrombotic Therapy 2 Study. Annals of neurology. 2024.04; 95 (4): 774-787. ( PubMed, DOI )

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Jun Karakama, Mariko Ishikawa, Sakyo Hirai, Satoru Takahashi, Hikaru Wakabayashi, Hirotaka Sagawa, Shoko Fujii, Kyohei Fujita, Nobuyuki Hirotsune, Kazutaka Sumita. Successful Retrieval of Filter Embolic Protection Device Fragment Trapped by a Carotid Stent: A Case Report. J Neuroendovasc Ther. 2024.02; 18 (2): 53-57. ( PubMed, DOI )

Satoru Takahashi, Mariko Ishikawa, Hirotaka Sagawa, Hikaru Wakabayashi, Shoko Fujii, Kyohei Fujita, Jiro Aoyama, Sakyo Hirai, Kazutaka Sumita. Delayed hydrocephalus and visual field defect due to perianeurysmal inflammation after treating a large unruptured aneurysm with flow diverter and coil: A case report. Clin Neurol Neurosurg. 2024.02; 237 108130. ( PubMed, DOI )

Fujii S, Hirai S, Fujita K, Yamaoka H, Ishikawa M, Aoyama J, Sagawa H, Miki K, Nemoto S, Sumita K. Two-Step Effective Onyx Embolization from the Occipital Artery for the Treatment of Intracranial Dural Arteriovenous Fistula: A Technical Note. Turkish neurosurgery. 2024; 34 (3): 529-534. ( PubMed, DOI )

Hirai S, Fujita K, Fujii S, Takahashi S, Shigeta K, Karakama J, Enomoto Y, Sato Y, Yoshimura M, Hirota S, Mizoue T, Yoshino Y, Kawano Y, Yamamura T, Kohyama S, Hirohata M, Yoshimura S, Ishii Y, Yamauchi T, Taira N, Obata Y, Sakamoto M, Inoue M, Yamashina M, Tokunaga S, Higashi T, Sawada K, Mochida H, Ido K, Takeuchi M, Takigawa T, Takagi Y, Morimoto M, Nanto M, Miki K, Misaki K, Arimura K, Hanaoka Y, Hara M, Hara S, Yokoyama K, Ooyama J, Hanazawa R, Sato H, Hirakawa A, Ishiguro M, Nemoto S, Sumita K. Study protocol of the ASTOP trial: A multicenter, randomized, double-blind, placebo-controlled trial of presurgical aspirin administration for the prevention of thromboembolic complications of coil embolization for ruptured aneurysms. PloS one. 2024; 19 (9): e0310906. ( PubMed, DOI )

Sakyo Hirai, Akihiro Hirakawa, Kyohei Fujita, Tadahiro Ishiwada, Masanao Sasaki, Masataka Yoshimura, Keigo Shigeta, Yohei Sato, Kenji Yamada, Mariko Ishikawa, Hirotaka Sagawa, Jiro Aoyama, Shoko Fujii, Yosuke Ishii, Kana Sawada, Yoshiki Obata, Jun Karakama, Mutsuya Hara, Yoshihisa Kawano, Shigeru Nemoto, Kazutaka Sumita. Imaging predictors of clinical outcomes after endovascular treatment in MRI-selected patients with acute basilar artery occlusion. Clinical Neurology and Neurosurgery . 2023.08; 231 107824. ( PubMed, DOI )

3. Fujii S, Hirai S, Fujita K, Yamaoka H, Ishikawa M, Aoyama J, Sagawa H, Miki K, Nemoto S, Sumita K. Two-step effective Onyx embolization from the occipital artery for the treatment of intracranial dural arteriovenous fistula: a technical note. Turkish Neurosurgery. 2023.08;

Sakyo Hirai 1, Mariko Ishikawa 1, Hirotaka Sagawa 1, Jiro Aoyama 1, Kyohei Fujita 1, Shoko Fujii 1, Hikaru Wakabayashi 1, Satoru Takahashi 1, Kazutaka Sumita. Ghost twisting of the dual-layer flow-diverting stent Neuroradiology. 2023.08; 65 (11): 1669-1672. ( PubMed, DOI )

Hirotaka Sagawa, Shoko Fujii, Kyohei Fujita, Sakyo Hirai, Hiroto Yamaoka, Mariko Ishikawa, Jiro Aoyama, Kazutaka Sumita. A case study of the disconnected dual taper tip of the Wingspan stent during percutaneous transluminal angioplasty and stenting of the vertebral artery Clinical Neurology and Neurosurgery. 2023.07; 230 107774. ( PubMed, DOI )

Ishiwada Tadahiro, Fujita Kyohei, Hirai Sakyo, Fujii Shoko, Yamaoka Hiroto, Ishikawa Mariko, Yoshimura Masataka, Shigeta Keigo, Sato Yohei, Sawada Kana, Yamada Kenji, Yamamura Toshihiro, Ishii Yosuke, Obata Yoshiki, Tone Osamu, Hara Mutsuya, Kawano Yoshihisa, Aoyagi Masaru, Nemoto Shigeru, Maehara Taketoshi, Sumita Kazutaka. Influence of Bilateral Cerebellar Infarction on Functional Outcome After Endovascular Treatment for Basilar Artery Occlusion WORLD NEUROSURGERY. 2023.03; 171 E506-E515. ( PubMed, DOI )

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Fujita K, Fujii S, Hirai S, Yamaoka H, Ishikawa M, Karakama J, Miki K, Yoshimura M, Nemoto S, Sumita K. P2Y12 reaction units and ischemic and bleeding events after neuro-endovascular treatment. Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association. 2022.09; 31 (9): 106631. ( PubMed, DOI )

Ueno Hiroshi, Yamaoka Hiroto, Hirai Sakyo, Fujita Kyohei, Ishikawa Mariko, Fujii Shoko, Aizawa Yuki, Ishii Yosuke, Yoshimura Masataka, Yamada Kenji, Yoshino Yoshikazu, Kurata Morito, Seto Katsutoshi, Ishibashi Hironori, Okubo Kenichi, Nemoto Shigeru, Sumita Kazutaka. Endovascular treatment for acute ischemic stroke after video-assisted thoracoscopic pulmonary lobectomy in patients with lung cancer: A report of four cases and literature review JOURNAL OF STROKE & CEREBROVASCULAR DISEASES. 2022.08; 31 (8): 106593. ( PubMed, DOI )

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Yamaoka Hiroto, Fujita Kyohei, Fujii Shoko, Ayabe Fuga, Karakama Jun, Hirai Sakyo, Yoshimura Masataka, Yamamoto Shinji, Nemoto Shigeru, Sumita Kazutaka. 出血発症した解離性椎骨動脈瘤に合併した外転神経麻痺の検討(Clinical Course of Abducens Nerve Palsy in Patients with Ruptured Vertebral Artery Dissecting Aneurysms) JNET: Journal of Neuroendovascular Therapy. 2022.07; 16 (7): 339-345. ( ichushi )

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Tanaka K, Miwa K, Takagi M, Sasaki M, Yakushiji Y, Kudo K, Shiozawa M, Tanaka J, Nishihara M, Yamaguchi Y, Fujita K, Honda Y, Kawano H, Ide T, Yoshimura S, Koga M, Hirano T, Toyoda K. Increased Cerebral Small Vessel Disease Burden With Renal Dysfunction and Albuminuria in Patients Taking Antithrombotic Agents: The Bleeding With Antithrombotic Therapy 2. Journal of the American Heart Association. 2022.03; 11 (6): e024749. ( PubMed, DOI )

Sakyo Hirai, Hirotaka Sato, Toshihiro Yamamura, Koichi Kato, Mariko Ishikawa, Hirotaka Sagawa, Jiro Aoyama, Shoko Fujii, Kyohei Fujita, Toshinari Arai, Kazutaka Sumita. Correlation between the CT Perfusion Parameter Values and Response to Recanalization in Patients with Acute Ischemic Stroke. J Neuroendovasc Ther. 2022; 16 (12): 577-585. ( PubMed, DOI )

Yamaoka H, Fujita K, Fujii S, Ayabe F, Karakama J, Hirai S, Yoshimura M, Yamamoto S, Nemoto S, Sumita K. Clinical Course of Abducens Nerve Palsy in Patients with Ruptured Vertebral Artery Dissecting Aneurysms. Journal of neuroendovascular therapy. 2022; 16 (7): 339-345. ( PubMed, DOI )

Ayabe Fuga, Sumita Kazutaka, Fujii Shoko, Fujita Kyohei, Miki Kazunori, Aizawa Yuki, Karakama Jun, Maehara Taketoshi, Nemoto Shigeru. Simulation Model of Arteriovenous Malformation Embolization Using Onyx Journal of Neuroendovascular Therapy. 2021.11; 15 (11): 741-746. ( ichushi )

Miki Kazunori, Sumita Kazutaka, Fujii Shoko, Fujita Kyohei, Aizawa Yuki, Karakama Jun, Yoshino Yoshikazu, Emoto Hirofumi, Nemoto Shigeru. A Case of Idiopathic Intracranial Hypertension Treated by Transverse Sinus Stenting Journal of Neuroendovascular Therapy. 2021.10; 15 (10): 653-658. ( ichushi )

Fujii S, Fujita K, Yamaoka H, Miki K, Hirai S, Nemoto S, Sumita K. Refractory in-stent stenosis after flow diverter stenting associated with delayed cobalt allergic reaction. Journal of neurointerventional surgery. 2021.08; 14 (4): e4. ( PubMed, DOI )

Masataka Yoshimura, Kazutaka Sumita, Shoko Fujii, Kazunori Miki, Yuki Aizawa, Kyohei Fujita, Shinji Yamamoto, Shigeru Nemoto, Taketoshi Maehara. Periprocedural Variability of Platelet Functions in Carotid Artery Stenting: An Analysis Using VerifyNow Journal of Neuroendovascular Therapy. 2021.08; 15 (8): 505-516. ( PubMed, DOI )

Kyohei Fujita,Shoko Fujii,Hiroto Yamaoka,Fuga Ayabe,Sakyo Hirai,Kittipong Srivatanakul,Kazutaka Sumita. Results of an International Questionnaire Investigating Changes in Acute Stroke Management between Before and During the COVID-19 Pandemic Journal of Neuroendovascular Therapy. 2021.08; 15 (8): 498-504. ( PubMed, DOI )

Fujii Shoko, Miki Kazunori, Aizawa Yuki, Karakama Jun, Fujita Kyohei, Maehara Taketoshi, Nemoto Shigeru, Sumita Kazutaka. Mid-/Long-Term Outcome of Neuroendovascular Treatment for Chronic Carotid Artery Total Occlusion Journal of Neuroendovascular Therapy. 2021.05; 15 (5): 288-294. ( ichushi )

Miki Kazunori, Aizawa Yuki, Fujii Shoko, Karakama Jun, Fujita Kyohei, Sasaki Yoshiyuki, Nemoto Shigeru, Sumita Kazutaka. 急性期脳梗塞再開通治療におけるガイディングカテーテルを中心とした治療デバイス改変効果の検討(Combined Technique Thrombectomy with a Long Balloon-Guiding Catheter and Long Sheath Aids in Rapid and Stable Recanalization in Patients with Anterior Circulation Acute Ischemic Stroke) JNET: Journal of Neuroendovascular Therapy. 2021.05; 15 (5): 281-287. ( ichushi )

Ayabe F, Sumita K, Fujii S, Fujita K, Miki K, Aizawa Y, Karakama J, Maehara T, Nemoto S. Simulation Model of Arteriovenous Malformation Embolization Using Onyx. Journal of neuroendovascular therapy. 2021; 15 (11): 741-746. ( PubMed, DOI )

Fujii S, Miki K, Aizawa Y, Karakama J, Fujita K, Maehara T, Nemoto S, Sumita K. Mid-/Long-Term Outcome of Neuroendovascular Treatment for Chronic Carotid Artery Total Occlusion. Journal of neuroendovascular therapy. 2021; 15 (5): 288-294. ( PubMed, DOI )

Miki K, Sumita K, Fujii S, Fujita K, Aizawa Y, Karakama J, Yoshino Y, Emoto H, Nemoto S. A Case of Idiopathic Intracranial Hypertension Treated by Transverse Sinus Stenting. Journal of neuroendovascular therapy. 2021; 15 (10): 653-658. ( PubMed, DOI )

Miki K, Aizawa Y, Fujii S, Karakama J, Fujita K, Sasaki Y, Nemoto S, Sumita K. Combined Technique Thrombectomy with a Long Balloon-Guiding Catheter and Long Sheath Aids in Rapid and Stable Recanalization in Patients with Anterior Circulation Acute Ischemic Stroke. Journal of neuroendovascular therapy. 2021; 15 (5): 281-287. ( PubMed, DOI )

Numa Soichiro, Takagi Toshinori, Ono Shun, Fujita Kyohei, Miura Masatomo, Yoshimura Shinichi. 急性期血栓回収療法を施行した後に再度閉塞をきたしたプロテインC欠損症による脳梗塞の一例(A Case Report of Re-occlusion after Mechanical Thrombectomy to the Patient with Protein C Deficiency-associated Cerebral Infarction) JNET: Journal of Neuroendovascular Therapy. 2019.07; 13 (7): 293-298. ( ichushi )

Yoshimura Sohei, Koga Masatoshi, Sato Shoichiro, Todo Kenichi, Yamagami Hiroshi, Kumamoto Masaya, Itabashi Ryo, Terasaki Tadashi, Kimura Kazumi, Yagita Yoshiki, Shiokawa Yoshiaki, Kamiyama Kenji, Okuda Satoshi, Okada Yasushi, Takizawa Shunya, Hasegawa Yasuhiro, Kameda Tomoaki, Shibuya Satoshi, Nagakane Yoshinari, Ito Yasuhiro, Matsuoka Hideki, Takamatsu Kazuhiro, Nishiyama Kazutoshi, Fujita Kyohei, Kamimura Teppei, Ando Daisuke, Ide Toshihiro, Yoshimoto Takeshi, Shiozawa Masayuki, Matsubara Soichiro, Yamaguchi Yoshitaka, Kinoshita Naoto, Matsuki Takayuki, Takasugi Junji, Tokunaga Keisuke, Higashida Kyoko, Homma Kazunari, Kario Kazuomi, Arihiro Shoji, Toyoda Kazunori, the SAMURAI Study Investigators. 非弁膜症性心房細動を有する急性期脳梗塞患者に対する抗凝固療法の2年転帰　SAMURAI-NVAF研究(Two-Year Outcomes of Anticoagulation for Acute Ischemic Stroke With Nonvalvular Atrial Fibrillation: SAMURAI-NVAF Study) Circulation Journal. 2018.06; 82 (7): 1935-1942. ( ichushi )