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Effect of Neck Size on the Inflow Magnitude Evaluated on 4D Flow MRI in Unruptured Internal Carotid Artery Aneurysms
Endovascular coil embolization for cerebral aneurysms is widely performed to prevent hemorrhage or rebleeding, and it has low morbidity and mortality. However, recanalization which frequently arises during the follow-up period after coil embolization and occasionally leads to a catastrophic rupture remains a major limitation. A recanalization rate of 8.6 –27.4% has been reported in recent systematic reviews of studies that analyzed several thousands of cerebral aneurysms.1–3 A wide neck of aneurysms has been a key factor for recanalization.
Source: Journal of Stroke and Cerebrovascular Diseases - August 11, 2020 Category: Neurology Authors: Kazuya Futami, Kouichi Misaki, Takehiro Uno, Tomoya Kamide, Mitsutoshi Nakada Source Type: research

Risk Factors for the Recurrence of Posterior Communicating Artery Aneurysm: The Significance of Fetal-Type Posterior Cerebral artery
Posterior communicating artery (PcomA) is the second most common location for the formation of intracranial aneurysms (IAs), accounting for about 15 –25% of all IAs and 50% of all internal carotid artery (ICA) aneurysms.1,2 Recent study suggested that PcomA aneurysms are more likely to rupture compared to aneurysms located at other sites, even in a small sized aneurysms.1 Microsurgical clipping and endovascular treatment (EVT) have been the tw o main treatment methods for IAs. Although the clinical and radiologic outcome of clipping or coiling has been much improved, the recurrence rate of clipping and coiling is 2.9% an...
Source: Journal of Stroke and Cerebrovascular Diseases - April 26, 2021 Category: Neurology Authors: Hyeong Jin Lee, Jai Ho Choi, Yong Sam Shin, Kwan Sung Lee, Bum Soo Kim Source Type: research

Involvement of Cerebral Blood Flow on Neurological and Behavioral Functions after Subarachnoid Hemorrhage in Mice
Subarachnoid Hemorrhage (SAH) has a high mortality rate of up to 40%,1 and often causes severe neurological sequel in survivors. Spontaneous SAH is caused by a ruptured intracranial aneurysm. Despite the evolution of less invasive treatments for ruptured aneurysms, such as endovascular coil embolization, the mortality and morbidity rates of SAH still remain high.2 Thus, it is important to establish novel treatment strategies that focus on cognitive decline following SAH.
Source: Journal of Stroke and Cerebrovascular Diseases - June 29, 2021 Category: Neurology Authors: Hirofumi Matsubara, Takahiko Imai, Shohei Tsuji, Natsumi Oka, Takuya Ohba, Tetsuya Yamada, Yusuke Egashira, Shinsuke Nakamura, Masamitsu Shimazawa, Toru Iwama, Hideaki Hara Source Type: research

Contralateral Transradial Access for Coil Embolization of Distal Anterior Cerebral Artery Aneurysm Associated With a Steep Ipsilateral A1-A2 Angle
Distal anterior cerebral artery (DACA) aneurysms, also known as pericallosal artery aneurysms, have a high rupture rate. They are more frequently associated with multiple cerebral aneurysms than other supratentorial aneurysms.1-3 More than half of ruptured DACA aneurysms result in intracerebral hemorrhage.4 Consequently, patients with DACA aneurysms have a higher morbidity and mortality rate than those with other supratentorial aneurysms.1-3 As neurointerventional devices and techniques have developed and improved, endovascular treatment of DACA aneurysms has begun to garner higher success rates and better clinical and angiographic outcomes.
Source: Journal of Stroke and Cerebrovascular Diseases - January 13, 2022 Category: Neurology Authors: Ken Yamazaki, Yoshiki Hanaoka, Jun-ichi Koyama, Daisuke Yamazaki, Yu Fujii, Toshihiro Ogiwara, Tetsuyoshi Horiuchi Tags: Case Report Source Type: research

Flow diversion in direct carotid-cavernous fistula refractory to multiple coil embolizations: case report and review of the literature
We describe a case of flow diversion as an adjunctive treatment approach in a treatment-resistant direct carotid-cavernous fistula and review the literature on the use of flow diversion in this clinical context.
Source: Journal of Stroke and Cerebrovascular Diseases - October 23, 2022 Category: Neurology Authors: Amine Awad, Robert W. Regenhardt, Adam A. Dmytriw, Justin E. Vranic, Rudolph D. Marciano, Aman B. Patel, Christopher J. Stapleton Tags: Short Communication Source Type: research

Treatment outcome of coil embolization for distal anterior cerebral artery aneurysms: A single-center experience
In this study, we report the outcomes of coil embolization for DACA aneurysms.
Source: Journal of Stroke and Cerebrovascular Diseases - October 19, 2022 Category: Neurology Authors: Satoshi Murai, Yuki Ebisudani, Ryu Kimura, Hisanori Edaki, Yu Sato, Yoko Yamaoka, Kazuhiko Nishi, Jun Haruma, Masafumi Hiramatsu, Tomohito Hishikawa, Kenji Sugiu, Isao Date Source Type: research

Treatment of intracranial bifurcation aneurysms with “X” stent-assisted coiling: A case series and literature review
Intracranial bifurcation aneurysms are often associated with wide necks, making endovascular treatment more challenging.1 Although flow diverters (FDs) provide safe and effective results when used in intracranial aneurysms, their application in bifurcation aneurysms remains controversial. Stent-assisted coiling (SAC) remains one of the most important strategies for treating broad-based aneurysms.2,3 Even in this case, endovascular treatment of complex broad-based bifurcation aneurysms has not been easy for neurointerventionalists, especially when more than one branch is involved.
Source: Journal of Stroke and Cerebrovascular Diseases - December 16, 2022 Category: Neurology Authors: Deyuan Zhu, Zhe Li, Chao Zou, Wei Cao, Ping Zhang, Ying Yu, Qiang Li, Rui Zhao, Qinghai Huang, Pengfei Yang, Yi Xu, Bo Hong, Jianmin Liu, Yibin Fang Source Type: research

Cerebral foreign body granulomas after mechanical thrombectomy: Two case reports and a review of the literature
A foreign body granuloma after an endovascular intervention is a rare complication. Some cases of foreign body granulomas, especially after coil embolization, have been reported. However, only four cases of foreign body granulomas after mechanical thrombectomy (MT) have previously been reported. The current study reports two cases of post-MT foreign body granulomas, including a biopsy-proven case.
Source: Journal of Stroke and Cerebrovascular Diseases - January 12, 2023 Category: Neurology Authors: Shun Ishikawa, Yosuke Kudo, Shigeta Miyake, Taisuke Akimoto, Sawako Chiba, Wakiko Saruta, Takahiro Mochizuki, Satoru Shimizu, Yu Amano, Ryoo Yamamoto, Kazumitsu Amari, Shigeru Koyano, Ken Johkura, Tetsuya Yamamoto, Yasunobu Nakai Tags: Case Report Source Type: research

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