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Moyamoya disease

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https://www.readbyqxmd.com/read/28647711/down-syndrome-and-moyamoya-disease-unusual-cause-of-stroke
#1
Carlos Tavares Bello, Catarina Barreiros, Inês Gil, Carlos Vasconcelos
Down syndrome is a frequent clinical entity, being considered one of the most frequent chromosomal aberrations. It is characterised by a typical clinical phenotype and is associated with a heterogeneous group of organ and system-specific abnormalities. The cardiovascular system is commonly affected and if so, it may be associated with an increased morbidity and mortality. Cerebrovascular events in patients with Down syndrome are multifactorial, being possibly related to congenital heart disease, vascular malformations and traditional cardiovascular risk factors...
June 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28645592/enlarged-encephalo-duro-myo-synangiosis-treatment-for-moyamoya-disease-in-young-children
#2
Wenjun Shen, Bin Xu, Hao Li, Xiaofeng Gao, Yujun Liao, Wei Shi, Rui Zhao, Yi Zhang
OBJECTIVE: To retrospectively evaluate the mid-term therapeutic effect of enlarged encephalo-duro-myo-synangiosis (EDMS) for moyamoya disease (MMD) in young children. METHODS: Seventy-seven children diagnosed with MMD by digital subtraction angiography (DSA) or magnetic resonance angiography (MRA) were treated between January 2011 and December 2014 in our center. Their clinical features, imaging and operative reports were analyzed. RESULTS: Four patients presented with intracerebral hemorrhage while 73 presented with ischemic symptoms...
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28634314/-a-case-of-moyamoya-disease-associated-with-sapho-syndrome
#3
Nobutaka Horie, Mayuko Baba, Ken Kawada, Yuuki Matsunaga, Eisaku Sadakata, Yoichi Morofuji, Tsuyoshi Izumo, Minoru Morikawa, Takeo Anda, Takayuki Matsuo
Moyamoya disease is a unique occlusive disease of the internal carotid artery(ICA)with moyamoya vessels that can lead to transient ischemic attacks and hemorrhagic stroke. When other inherited or acquired disorders and conditions occur in conjunction with moyamoya disease, the syndrome is known as quasi-moyamoya disease. We report the case of a 34-year-old woman with a past history of SAPHO(Synovitis-Acne-Pustulosis-Hyperostosis-Osteomyelitis)syndrome, who presented with arm weakness and headache. Magnetic resonance angiography revealed severe terminal stenosis of the left ICA with moyamoya vessels, and she was diagnosed as moyamoya disease associated with SAPHO syndrome...
June 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28628405/further-implications-of-off-label-use-of-acetazolamide-in-the-management-of-moyamoya-disease-in-japan
#4
Shunji Mugikura, Miki Fujimura, Shoki Takahashi, Kei Takase
No abstract text is available yet for this article.
July 2017: Radiology
https://www.readbyqxmd.com/read/28625901/the-effect-of-aspirin-in-the-postoperative-management-of-adult-ischemic-moyamoya-disease
#5
Yahui Zhao, Qian Zhang, Dong Zhang, Yuanli Zhao
Aspirin has been implicated in the postoperative management of moyamoya disease (MMD) in order to avoid bypass failure and decrease the incidence of subsequent stroke. However, the effect of it has not been completely determined yet. In this study, we retrospectively reviewed data of 184 adult patients (197 hemispheres) presented with ischemic-onset moyamoya disease that had undergone direct or combined revascularization in our hospital, to clarify the effect of postoperative aspirin therapy in the management of moyamoya disease...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28620564/moyamoya-syndrome-in-a-child-with-neurofibromatosis-type-1-magnetic-resonance-imaging-as-a-tool-for-clinical-decision-making
#6
Jonathan Mayl, Hanisha Patel, Tushar Chandra
Moyamoya syndrome is a rare cerebrovasculopathy of unknown etiology which is associated with multiple risk factors. Moyamoya was first discovered in Japan and is reported to have an increased prevalence in the Japanese population. The term "Moyamoya" translates into "puff of smoke" and is named after the finding of the collateral cerebral vasculature that develops secondary to occlusion of an internal carotid artery at the entrance into the circle of Willis. This collateral vasculature characterizes the disease...
May 9, 2017: Curēus
https://www.readbyqxmd.com/read/28619492/a-case-of-familial-moyamoya-disease-presenting-10-years-after-the-initial-negative-mr-screening-in-childhood
#7
Jiro Aoyama, Tadashi Nariai, Maki Mukawa, Motoki Inaji, Yoji Tanaka, Taketoshi Maehara
No abstract text is available yet for this article.
June 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28617845/frequency-and-significance-of-rare-rnf213-variants-in-patients-with-adult-moyamoya-disease
#8
Mi-Ae Jang, Jong-Won Chung, Je Young Yeon, Jong-Soo Kim, Seung Chyul Hong, Oh Young Bang, Chang-Seok Ki
PURPOSE: Moyamoya disease (MMD) is a rare cerebrovascular disorder characterized by stenosis of the internal carotid arteries with compensatory development of collateral vessels. Although a founder variant of RNF213, p.Arg4810Lys (c.14429G>A, rs112735431), is a major genetic risk factor for MMD in East Asians, the frequency and disease susceptibility of other variants in this gene remain largely unknown. In the present study, we investigated the association of RNF213 variants with MMD in Korean patients and population controls...
2017: PloS One
https://www.readbyqxmd.com/read/28616936/encephaloduroateriosynangiosis-edas-in-the-management-of-moyamoya-syndrome-in-children-with-sickle-cell-disease
#9
Alexander Alamri, Pennylouise Hever, Jebet Cheserem, Catia Gradil, Sanj Bassi, Christos M Tolias
BACKGROUND: Encephalo-duro-arterio-synangiosis (EDAS) in Moyamoya syndrome (MMS) treatment has been well described in the literature, however in MMS caused by sickle cell anaemia (SCA), EDAS use remains controversial with poor long-term follow-up. We present a case-series of SCA patients who have undergone EDAS for SCA-related MMS and describe their post-operative course as well as provide a literature review of the role of EDAS in the treatment of sickle cell anaemia. METHODS: A retrospective review of all the paediatric EDAS procedures conducted in our institution for SCA from 2007 to 2015...
June 15, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28610468/analysis-of-preventability-of-stroke-related-maternal-death-from-the-nationwide-registration-system-of-maternal-deaths-in-japan
#10
Shinji Katsuragi, Hiroaki Tanaka, Junichi Hasegawa, Masamitsu Nakamura, Naohiro Kanayama, Masahiko Nakata, Takeshi Murakoshi, Jun Yoshimatsu, Kazuhiro Osato, Kayo Tanaka, Akihiko Sekizawa, Isamu Ishiwata, Tomoaki Ikeda
OBJECTIVE: The number of stroke-related maternal deaths is increasing in Japan. We investigated methods to reduce maternal death from stroke. METHODS: We analyzed stroke-related maternal deaths in Japan reported to the Committee of the Ministry of Health, Labor, and Welfare from 2010 to 2014 inclusive. RESULTS: A total of 35 cases were identified. The median maternal age was 35 years (range 22-45) and the incidence of stoke in women ≥40 was seven-fold higher than in <34...
June 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28605471/berlin-grading-system-can-stratify-the-onset-and-predict-perioperative-complications-in-adult-moyamoya-disease
#11
Daina Kashiwazaki, Naoki Akioka, Naoya Kuwayama, Kiyohiro Houkin, Marcus Czabanka, Peter Vajkoczy, Satoshi Kuroda
BACKGROUND: The grading system for moyamoya disease is not established. OBJECTIVE: To assess the usefulness of a recently proposed grading system for stratifying the clinical severity and predicting postoperative morbidity in adult moyamoya disease. METHODS: We investigated 176 hemispheres from 89 adult patients who were diagnosed with moyamoya disease in Japan. Their data were analyzed using the Berlin grading system with minor modifications...
June 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28605467/strategies-for-and-outcome-of-repeat-revascularization-surgery-for-moyamoya-disease-an-american-institutional-series
#12
Mario Teo, Jeremiah Johnson, Gary K Steinberg
BACKGROUND: Revascularization for moyamoya disease (MMD) effectively prevents future ischemic events. However, small subsets of patients with persistent or new symptoms due to inadequate collateralization require repeat revascularizations. OBJECTIVE: To investigate the clinical and radiological outcome of repeat revascularization in MMD patients with previous indirect or direct bypasses. METHODS: Single institution, retrospective analysis of a prospective MMD database...
June 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28600750/intra-operative-hemorrhage-due-to-hyperperfusion-during-direct-revascularization-surgery-in-an-adult-patient-with-moyamoya-disease-a-case-report
#13
Hiroki Uchida, Hidenori Endo, Miki Fujimura, Toshiki Endo, Kuniyasu Niizuma, Teiji Tominaga
Hemorrhagic complication is one of the notable surgical complications of the revascularization surgery for moyamoya disease (MMD). Cerebral hyperperfusion (CHP) has been considered as the underlying cause of this complication. It mostly occurs several days after surgery, but the intra-operative hemorrhage immediately after bypass has not been reported previously. A 21-year-old woman presented right thalamic hemorrhage and was diagnosed as having MMD by cerebral angiography. In light of the location of the hemorrhage at the vascular territory of posterior circulation and the manifestation of transient ischemic attack during the follow-up period, she underwent revascularization surgery to prevent future ischemic attack and rebleeding...
June 9, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28600011/direct-versus-indirect-bypass-for-moyamoya-disease
#14
REVIEW
Jonathan J Liu, Gary K Steinberg
Moyamoya disease is a progressive occlusive vasculopathy that involves the supraclinoid internal carotid arteries and Circle of Willis, and results in the formation of collateral vessels at the skull base. The progressive nature of this disease leads to cerebral ischemia and sometimes intracerebral hemorrhage. The treatment of moyamoya disease is mainly surgical revascularization, using revascularization techniques that include direct, indirect, and combined strategies. Here we discuss the available options for revascularization as well as our opinions regarding the surgical management of patients with moyamoya disease...
July 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28599910/ruptured-distal-anterior-choroidal-artery-aneurysm-treated-with-superselective-provocative-testing-and-coil-embolization-report-of-a-case
#15
Philip G R Schmalz, Abdulrahman Alturki, Christopher S Ogilvy, Ajith J Thomas
BACKGROUND: and Importance: Aneurysms of the anterior choroidal artery are uncommon, and distal anterior choroidal artery aneurysms are even rarer, with only 34 cases reported in the medical literature. These lesions have been most commonly reported in association with moyamoya disease or arteriovenous malformations. Most published experience with these aneurysms involves open surgical approaches. Reports of endovascular treatment have been in patients with lesions distal to the plexal point and have employed vessel occlusion with liquid embolic agents in preference to coil embolization...
June 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28596558/association-of-increased-treg-and-th17-with-pathogenesis-of-moyamoya-disease
#16
Leihua Weng, Xiang Cao, Lijuan Han, Haoran Zhao, Shuwei Qiu, Yaping Yan, Xiaoying Wang, Xiangyan Chen, Weihong Zheng, Xin Xu, Yuanyuan Gao, Yan Chen, Jie Li, Yongbo Yang, Yun Xu
Immuno-inflammation has been shown to play a pivotal role in the pathogenesis of moyamoya disease (MMD). However, how did circulating Treg/Th17 cells involve in MMD patients remains unclear. 26 MMD, 21 atherothrombotic stroke, and 32 healthy controls were enrolled in this study. MMD patients have a significantly higher percentage of circulating Treg and Th17 cells as well as their dominantly secreting cytokines than other groups (P < 0.0001), whereas no difference was found in the ratio of Treg/Th17 between patients in MMD and atherothrombotic stroke group or control subjects (P = 0...
June 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28593628/outcome-of-microsurgical-revascularization-in-patients-with-moyamoya-disease-first-report-from-iranian-population
#17
Abdolkarim Rahmanian, Mohammad Sadehgh Masoudi, Fariborz Ghaffarpasand, Mohammad Hossein Ashraf, Ehsanali Alibai
AIM: The aim of this study was to report the outcome of microsurgical revascularization in patients with moyamoya disease in Southern Iran. MATERIAL AND METHODS: This cross-sectional study was conducted in Southern Iran during a 7-year period from 2009 to 2016. All the patients with moyamoya disease (confirmed with digital substraction angiography) who underwent microsurgical revascularization (extracranial-intracranial bypass or synangiosis) were included. All the patients were followed for at least 1 year and the outcome was measured using Glasgow outcome scale (GOS) and modified Rankin scale (MRS)...
May 7, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28582832/in-reply-to-moyamoya-disease-impact-of-evolving-different-management-approaches-to-improve-overall-neurologic-outcome
#18
Alvin H Cheung, Gilberto K K Leung
No abstract text is available yet for this article.
June 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28582831/moyamoya-disease-impact-of-evolving-different-management-approaches-to-improve-overall-neurologic-outcome
#19
Guru Dutta Satyarthee
No abstract text is available yet for this article.
June 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28566764/difference-in-cerebral-circulation-time-between-subtypes-of-moyamoya-disease-and-moyamoya-syndrome
#20
Kaijiang Kang, Jingjing Lu, Dong Zhang, Youxiang Li, Dandan Wang, Peng Liu, Bohong Li, Yi Ju, Xingquan Zhao
In this study, we evaluated the differences in hemodynamics between hemorrhagic and non-hemorrhagic moyamoya disease (MMD) and moyamoya syndrome (MMS) by measuring cerebral circulation time (CCT). This case-control study included 136 patients with MMD or MMS diagnosed between April 2015 and July 2016 at Beijing Tian Tan Hospital. Each hemisphere was analyzed separately. The difference in clinical, radiological characteristics and CCT between subtypes of MMD and MMS were analyzed statistically. The results showed that total CCT between hemorrhagic and non-hemorrhagic sides was not statistically different (16...
May 31, 2017: Scientific Reports
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