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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

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

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

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

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

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

Nomogram for predicting delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage in the Chinese population
The incidence of stroke is high worldwide1 and is the leading cause of death in China presently.2,3 Subarachnoid hemorrhage caused by ruptured intracranial aneurysm is a subtype of severe stroke that occurs suddenly in seemingly healthy individuals with generally poor prognosis.4 Surgical clipping and endovascular coiling are effective treatment modalities for patients with aneurysmal subarachnoid hemorrhage (aSAH). Delayed cerebral ischemia (DCI) is a complication of aSAH, occurring in up to 30% of patients,5 and is an important cause of disability and death, often leading to deterioration of patients ’ condition or quality of life.
Source: Journal of Stroke and Cerebrovascular Diseases - August 15, 2020 Category: Neurology Authors: Haonan Liu, Qian Xu, Aimin Li Source Type: research

Outcomes of treatment modalities for ruptured intracranial aneurysms based on age – A meta-analysis
Data comparing the effect of age on outcomes of patients who underwent either endovascular coiling (EVC) or neurosurgical clipping (NSC) for ruptured intracranial aneurysms remains limited.
Source: Journal of Stroke and Cerebrovascular Diseases - August 15, 2020 Category: Neurology Authors: Giana Dawod, Nicholas D. Henkel, Hisham Salahuddin, Alicia C Castonguay, Sitara Koneru, Luke Mugge, Sadik A. Khuder, Azedine Medhkour, Mouhammad A. Jumaa Source Type: research

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

Endovascular Treatment for Cavernous Carotid Aneurysms: A Systematic Review and Meta-Analysis
Background and purpose: Coiling and flow diversion are established endovascular techniques for treatment of cavernous carotid aneurysms (CCAs). We performed a systematic review of published series on endovascular treatment of CCAs in order to assess the efficacy and safety between coiling and flow diversion. Methods: We conducted a computerized search of PubMed, MEDLINE, and Web of Science electronic databases for reports on endovascular treatment of CCAs from 1990 to 2019. Comparisons were made in complete occlusion rate, improvement of symptoms rate and intraoperative complication rate between coiling and flow diversion.
Source: Journal of Stroke and Cerebrovascular Diseases - April 14, 2020 Category: Neurology Authors: Yang Sun, Benlin Wan, Qi Li, Tang Li, Ge Huang, Wenchao Zhang, Jianghua Yang, Xiaoguang Tong Source Type: research

Procedural Complications and Factors Influencing Immediate Angiographic Results after Endovascular Treatment of Small ( < 5 mm) Ruptured Intracranial Aneurysms
With advances in neurointerventional device technology and increased experience with aneurysm embolization, endovascular treatment (EVT) has become a widely accepted modality to treat intracranial aneurysms (IAs) [1]. During EVT of IAs, aneurysms are packed as densely as possible, which makes it exceedingly difficult to implant coils while ensuring safety and complete occlusion [2,3]. However, there appears to be a paradoxical challenge for small ruptured aneurysms (SRAs,
Source: Journal of Stroke and Cerebrovascular Diseases - March 25, 2020 Category: Neurology Authors: Xin Feng, Fei Peng, Zhongrong Miao, Xin Tong, Hao Niu, Baorui Zhang, Luyao Wang, Erkang Guo, Peng Qi, Jun Lu, Dapeng Mo, Zhongxue Wu, Daming Wang, Aihua Liu Source Type: research

A Propensity Score-Matched Comparison of Readmission Rates Associated With Microsurgical Clipping and Endovascular Treatment of Ruptured Intracranial Aneurysms
Background: In the treatment of aneurysmal subarachnoid hemorrhage (aSAH), microsurgical clipping, and endovascular therapy (EVT) with coiling are modalities for securing the ruptured aneurysm. Little data is available regarding associated readmission rates. We sought to determine whether readmission rates differed according to treatment modality for ruptured intracranial aneurysms. Methods: The Nationwide Readmissions Database (NRD) was used to identify adults who experienced aSAH and underwent clipping or EVT.
Source: Journal of Stroke and Cerebrovascular Diseases - February 20, 2020 Category: Neurology Authors: Haydn Hoffman, Muhammad S. Jalal, Lawrence S. Chin Source Type: research

“Clip Anchor-Assisted Coil Embolization” for Endovascular Parent Artery Occlusion of Intracranial Traumatic Aneurysm
Traumatic cerebral aneurysms are histologically dissecting aneurysms or pseudoaneurysms, thus requiring parent artery occlusion for cure. Combination of endovascular parent artery occlusion and extracranial-intracranial bypass is considered optimal to obtain complete obliteration of the aneurysm and to avoid hemodynamic hypoperfusion. However, endovascular parent artery occlusion of the supraclinoid internal carotid artery (ICA) is at risk of ischemic complications due to distal coil protrusion to adjacent perforating arteries or distal embolism of the thrombi generated in the coil mass.
Source: Journal of Stroke and Cerebrovascular Diseases - September 13, 2019 Category: Neurology Authors: Hitoshi Fukuda, Toshio Yanagawa, Fumihiko Horikawa, Norio Nakajima, Masashi Kitagawa, Benjamin Lo, Keisuke Yamada Tags: Case Report Source Type: research

Decreased Antiatherogenic Protein Levels are Associated with Aneurysm Structure Alterations in MR Vessel Wall Imaging
Objective: Thickened intracranial aneurysm wall with atherosclerotic remodeling is a part of its degenerative scenario. Current magnetic resonance (MR)-vessel wall imaging enables the detection of atherosclerotic wall thickening as aneurysm wall enhancement. The purpose of this study was to examine the correlation between identified atherosclerotic remodeling in vessel wall imaging, and systemic atherosclerosis-related risk factors. Methods: A total of 39 aneurysms in 38 consecutive patients scheduled to undergo microsurgical clipping or endovascular coiling of intracranial aneurysms were prospectively evaluated.
Source: Journal of Stroke and Cerebrovascular Diseases - May 23, 2019 Category: Neurology Authors: Daizo Ishii, Toshinori Matsushige, Shigeyuki Sakamoto, Koji Shimonaga, Yuji Akiyama, Takahito Okazaki, Jumpei Oshita, Kaoru Kurisu Source Type: research

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