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GM-CSF Promotes the Development of Dysfunctional Vascular Networks in Moyamoya Disease. Neurosci Bull 2024; 40:451-465. [PMID: 38113014 PMCID: PMC11003948 DOI: 10.1007/s12264-023-01158-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 07/28/2023] [Indexed: 12/21/2023] Open
Abstract
Moyamoya disease (MMD) is a chronic occlusive cerebrovascular disease with the development of a network of abnormal vessels. Immune inflammation is associated with the occurrence and development of MMD. However, the mechanisms underlying the formation of the abnormal vascular network remain unclear. Twenty-eight patients with MMD, 26 ischemic stroke patients, and 26 unrelated healthy volunteers were enrolled in this study The data showed that the levels of granulocyte-macrophage colony-stimulating factor (GM-CSF) were higher in MMD patients than in healthy controls (P <0.01), and GM-CSF was mainly from Th1 and Th17 cells in MMD. We found that increased GM-CSF drove monocytes to secrete a series of cytokines associated with angiogenesis, inflammation, and chemotaxis. In summary, our findings demonstrate for the first time the important involvement of GM-CSF in MMD and that GM-CSF is an important factor in the formation of abnormal vascular networks in MMD.
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Cortical Brush Sign: A Novel Finding on Thin-slice 3T Susceptibility-weighted Imaging in Acute Cerebral Infarct and Cerebral Venous Thrombosis. Magn Reson Med Sci 2024; 23:238-241. [PMID: 36697029 PMCID: PMC11024716 DOI: 10.2463/mrms.bc.2022-0120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 11/19/2022] [Indexed: 01/24/2023] Open
Abstract
We observed a new SWI finding, "cortical brush sign," that represents prominent venous structures in the cortex of patients with acute cerebral infarct with or without moyamoya disease and cerebral venous thrombosis. The cortical brush sign disappeared on follow-up SWI in all cases. Cortical brush sign may help to understand the pathophysiology of venous structures in the cortex at acute phase.
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Twig-like Middle Cerebral Artery: Case Series in a European Population. World Neurosurg 2024; 183:e11-e21. [PMID: 37806521 DOI: 10.1016/j.wneu.2023.09.121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 09/28/2023] [Accepted: 09/29/2023] [Indexed: 10/10/2023]
Abstract
OBJECTIVES Twig-like middle cerebral artery (MCA) is a rare anomaly where the M1 MCA is partially or completely replaced by a plexiform network. It has been described in angiographic series from Asian and South-American cohorts, but has not yet been reported in a European population. METHODS The digital subtraction angiograms (DSAs) of adult patients referred to a single neurovascular center for a diagnostic hypothesis of moyamoya arteriopathy (MMA) from 2018 to 2023 were prospectively and retrospectively checked by experienced neuroradiologists for identifying patients with twig-like MCA. The angioarchitecture of twig-like MCA was systematically evaluated and described. RESULTS Five of 30 (16.7%) male patients (mean age 55.8 + 14.7 years) of European ancestry were identified as having twig-like MCA. The clinical presentations were ischemic stroke (2 of 5), hemorrhagic stroke (1 of 5), and headache (2 of 5). All patients showed a unilateral involvement on DSA and in 1 of 5 (20%) an intracranial aneurysm was found. DSA was used to confirm the diagnosis of twig-like MCA and define the angioarchitecture and associated anomalies. An accessory MCA and recurrent artery of Heubner were found in 3 of 5 (60%) cases, feeding the network together with the anterior choroidal artery (4 of 5, 80%). CONCLUSIONS Twig-like MCA is a rare vascular anomaly, but it seems to be less rare than expected among adult European patients with suspected MMA on noninvasive neuroimaging studies. DSA is fundamental for a reliable differential diagnosis and should not be omitted in these patients.
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Association of lysine pathway metabolites with moyamoya disease. Clin Nutr 2024; 43:787-795. [PMID: 38340411 DOI: 10.1016/j.clnu.2023.12.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/15/2023] [Accepted: 12/26/2023] [Indexed: 02/12/2024]
Abstract
BACKGROUND AND OBJECTIVE Lysine and its pathway metabolites have been identified as novel biomarkers for metabolic and vascular diseases. The role of them in the identification of moyamoya disease (MMD) has not been elucidated. This study aimed to determine the association between lysine pathway metabolites and the presence of MMD. METHODS We prospectively enrolled 360 MMD patients and 89 healthy controls from September 2020 to December 2021 in Beijing Tiantan Hospital. Serum levels of lysine, pipecolic acid and 2-aminoadipic acid were measured by liquid chromatography-mass spectrometry. We employed logistic regression and restricted cubic spline to explore the association between these metabolites and the presence of MMD. Stratified analyses were also conducted to test the robustness of results. RESULTS We observed that lysine levels in MMD patients were significantly higher and pipecolic acid levels were significantly lower compared to HCs (both p < 0.001), while no difference was found in the level of 2-AAA between both groups. When comparing metabolites by quartiles, elevated lysine levels were linked to increased odds for MMD (the fourth quartile [Q4] vs the first quartile [Q1]: odds ratio, 3.48, 95%CI [1.39-8.75]), while reduced pipecolic acid levels correlated with higher odds (Q4 vs Q1: odds ratio, 0.08; 95 % CI [0.03-0.20]). The restricted cubic spline found a L-shaped relationship between pipecolic acid level and the presence of MMD, with a cutoff point at 2.52 μmol/L. Robust results were also observed across subgroups. CONCLUSION Elevated lysine levels were correlated with increased odds of MMD presence, while lower pipecolic acid levels were associated with higher odds of the condition. These results suggest potential new biomarkers for the identification of MMD. CLINICAL TRIAL REGISTRY NUMBER URL: https://www.chictr.org.cn/. Unique identifier: ChiCTR2200061889.
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Analyzing symptom experiences and pathways to enhancing quality of life in adolescents with Moyamoya disease. J Pediatr Nurs 2024; 75:72-79. [PMID: 38103460 DOI: 10.1016/j.pedn.2023.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 12/19/2023]
Abstract
PURPOSE The psycho-emotional symptom experiences and health-related factors that influence the quality of life of adolescents with Moyamoya disease are still not fully understood. The aim of this study is to identify the daily physical and accompanying psychological symptom experiences of such adolescents, and to examine how health-related factors contribute to their quality of life. DESIGN AND METHOD This study employed a descriptive cross-sectional research design. Data on a total of 134 adolescents with Moyamoya disease was analyzed in order to develop a path analysis. Data were collected from October 2019 to January 2021 in South Korea. The theory of salutogenesis was employed in order to develop a hypothetical model for this path analysis. Participants were given a self-reporting questionnaire. Descriptive analysis and path analysis were conducted based on the results. RESULTS Adolescents with Moyamoya disease experienced several negative emotions simultaneously, regardless of the severity of their physical symptoms. The path analysis revealed that stress, a sense of coherence, behavior, and the support of friends were significant contributors to adolescents' quality of life. CONCLUSIONS Adolescents with Moyamoya disease have multifaceted symptom experiences in their daily lives. To enhance their quality of life, it is crucial to provide support that can help strengthen their capacity for stress management and enhance their sense of coherence. PRACTICAL IMPLICATIONS This study provides evidence that nurses should offer anticipatory information to adolescents with Moyamoya disease regarding the symptoms they will frequently encounter, and develop interventions to enhance their quality of life.
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The Dark side of the White Matter. Diffuse subcortical White Matter Hypointensity on T2/FLAIR: A systematic review of a frequently underrecognized sign. J Neurol Sci 2024; 457:122882. [PMID: 38224629 DOI: 10.1016/j.jns.2024.122882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 12/20/2023] [Accepted: 01/09/2024] [Indexed: 01/17/2024]
Abstract
BACKGROUND AND OBJECTIVES Many reversible brain MRI abnormalities have been described, among these the most frequently reported are cortical hyperintensities on FLAIR/T2 occurring during seizures. Much less attention has been given to those situations where White Matter goes Dark: subcortical white matter hypointensity on T2/FLAIR. Our aim is to identify the medical condition "Dark White Matter" (DWM) is more frequently associated with. This is the first systematic review on DWM. METHODS PubMed was searched in August 2023. Included studies were those reporting Diffuse Subcortical White Matter Hypointensity on T2/FLAIR. Mainly case reports were included. Individual patient-level data was included whenever available. Frequency measures of the different diseases were calculated. RESULTS 56 studies were included, 228 patients were eligible for analysis. DWM happened in isolation, with no cortical abnormalities, in 71 cases and was associated with seizures in >61.4% of cases. The most frequently DWM-associated disease was Non-Ketotic Hyperglycaemic hyperosmolar state (NKH), followed by Encephalitis, Moyamoya disease, Genetic Causes, and Subdural Hematoma. Frequency of NKH was 32%. NKH was associated with seizures in 100% of cases and the most frequently involved lobe was the occipital one. When considering only the subgroup of patients with seizures, DWM was indicative of NKH in 51.4% of cases and Encephalitis in 26.4% of cases. Key limitations are heterogeneity and missing data. DISCUSSION DWM is frequently underdiagnosed. This sign can exist alone and it is not merely a consequence of cortical involvement. Moreover, it has important implications, both diagnostic and therapeutic, as it is more frequently associated with NKH, especially in the context of seizures, where anti-seizure medication is not the first line of treatment. We also discuss the pathogenesis of DWM by finding a common link between the most frequently associated diseases.
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Chemical and perfusion markers as predictors of moyamoya disease progression and complication types. Sci Rep 2024; 14:56. [PMID: 38167529 PMCID: PMC10762200 DOI: 10.1038/s41598-023-47984-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 11/21/2023] [Indexed: 01/05/2024] Open
Abstract
To investigate the association between chemical markers (triglyceride, C-reactive protein (CRP), and inflammation markers) and perfusion markers (relative cerebral vascular reserve (rCVR)) with moyamoya disease progression and complication types. A total of 314 patients diagnosed with moyamoya disease were included. Triglyceride and CRP levels were assessed and categorized based on Korean guidelines for dyslipidemia and CDC/AHA guidelines, respectively. Perfusion markers were evaluated using Diamox SPECT. Cox proportional hazard analysis was performed to examine the relationship between these markers and disease progression, as well as complication types (ischemic stroke, hemorrhagic stroke, and rCVR deterioration). Elevated triglyceride levels (≥ 200) were significantly associated with higher likelihood of end-point events (HR: 2.292, CI 1.00-4.979, P = 0.03). Severe decreased rCVR findings on Diamox SPECT were also significantly associated with end-point events (HR: 3.431, CI 1.254-9.389, P = 0.02). Increased CRP levels and white blood cell (WBC) count were significantly associated with moyamoya disease progression. For hemorrhagic stroke, higher triglyceride levels were significantly associated with end-point events (HR: 5.180, CI 1.355-19.801, P = 0.02). For ischemic stroke, severe decreased rCVR findings on Diamox SPECT (HR: 5.939, CI 1.616-21.829, P < 0.01) and increased CRP levels (HR: 1.465, CI 1.009-2.127, P = 0.05) were significantly associated with end-point events. Elevated triglyceride, CRP, and inflammation markers, as well as decreased rCVR, are potential predictors of moyamoya disease progression and complication types. Further research is warranted to understand their role in disease pathophysiology and treatment strategies.
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Lacosamide toxicity impacting rehabilitation in Moyamoya disease. PM R 2024; 16:110-111. [PMID: 37162014 DOI: 10.1002/pmrj.12993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 05/11/2023]
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Proteomic and metabolomic characterizations of moyamoya disease patient sera. Brain Behav 2023; 13:e3328. [PMID: 37962021 PMCID: PMC10726768 DOI: 10.1002/brb3.3328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
BACKGROUND The pathogenesis of moyamoya disease (MMD) is unclear. Inflammation and immune imbalance have been identified as potential factors contributing to the occurrence and progression of MMD. However, the specific proteins and metabolites responsible for triggering this process are yet to be established. The purpose of this study is to identify differentially expressed proteins and metabolites in patients with MMD and perform Kyoto Encyclopedia of Genes and Genomes pathway integration analysis to pinpoint crucial proteins and metabolites involved in the disease. METHODS We performed untargeted metabolomic and data-independent acquisition proteomic analyses on the serum samples of individuals with MMD and healthy controls (HC). RESULTS In patients with MMD versus HC, 24 proteins and 60 metabolites, including 21 anionic metabolites and 39 cationic metabolites, which were significantly different, were identified. In patients with MMD, several proteins involved in inflammation and immune metabolism, such as tubulin beta-6 and complement C4, were found to have significantly altered levels. Similarly, many metabolites involved in inflammation and immune metabolisms, such as dimethyl 4-hydroxyisophthalate, beta-nicotinamide mononucleotide, 2-(3-(4-pyridyl)-1H-1,2,4-triazol-5-yl)pyridine, and PC (17:1/18:2), were significantly altered. Intriguingly, these proteins and metabolites are involved in the progression of atherosclerosis through immune and inflammatory pathways, although some have never been reported in MMD. Moreover, integrated proteomics and metabolomics studies were conducted to determine shared pathways involving cholesterol metabolism, vitamin digestion, fat digestion, and absorption pathways of proteins and metabolites, which warrant further investigation. CONCLUSIONS Significant increases in pro-inflammatory and immunosuppressive abilities have been observed in patients with MMD, accompanied by significant reductions in anti-inflammatory and immune regulation. Various metabolites and proteins implicated in these processes have been identified for the first time. These findings hold immense significance for comprehending the pathogenesis of MMD and for the development of future drug therapies.
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[Moyamoya in Aragon: epidemiology and self-perception of quality of life]. Rev Neurol 2023; 77:241-248. [PMID: 37962535 PMCID: PMC10831765 DOI: 10.33588/rn.7710.2023170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Indexed: 11/15/2023]
Abstract
INTRODUCTION Moyamoya angiopathy is a vasculopathy caused by stenosis/occlusion of one or both intracranial internal carotid arteries. Although more common in Eastern countries, its prevalence is increasing in the West. An angioresonance or angiography is essential for its diagnosis. There are two options for treatment: conservative (medical) treatment or surgical bypass techniques. PATIENTS AND METHODS Nineteen patients were selected using International Classification of Diseases codes, and their demographic characteristics and health outcomes were studied. They were administered a scale for the screening of anxious-depressive syndrome (the Hospital Anxiety and Depression Scale - HADS) and another scale for self-perceived quality of life (SF-36). After applying the inclusion/exclusion criteria, eight of these patients were studied. RESULTS Nineteen patients were studied (52.63% male, 57.89% European) and the Aragonese prevalence was estimated at 1.37/100,000 inhabitants. The most frequent clinical presentation was ischaemic stroke (73.68%). The HADS detected two positive cases of anxiety and one case of depression. According to the SF-36, the worst self-rated aspects were vitality (median: 35/100) and general health (median: 42.5/100), while the best rated was physical function (mean: 93.57/100). CONCLUSIONS This is the Spanish series with the highest prevalence and the only one that addresses self-perceived health and screening of the anxious-depressive syndrome. Further research is needed to address this entity and determine its true prevalence in the West.
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Association between systemic immune-inflammatory markers and the risk of moyamoya disease: a case-control study. Ann Med 2023; 55:2269368. [PMID: 37865806 PMCID: PMC10591523 DOI: 10.1080/07853890.2023.2269368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 10/06/2023] [Indexed: 10/23/2023] Open
Abstract
Background:Systemic immune-inflammatory markers such as neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), lymphocyte-to-monocyte ratio (LMR) and systemic immune-inflammatory index (SII) are associated with the prognosis of many cardiovascular and neoplastic diseases. Moyamoya disease (MMD) is associated with inflammation, but the relationship between systemic immune-inflammatory markers between MMD is unclear. The aim of our study was to analyse the association between systemic immune-inflammatory markers and the risk of MMD and its subtypes.Methods:We consecutively recruited 360 patients with MMD and 89 healthy control subjects in a case-control study to calculate and analyse the association of systemic immune-inflammatory markers with the risk of MMD and its subtypes.Results:The risk of MMD increased with higher levels of NLR (OR 1.237, 95% CI [1.008, 1.520], p = .042). When NLR and SII were assessed as quartile-spaced subgroups, the third quartile grouping of NLR and SII had a higher risk of MMD than the first quartile grouping (NLR: OR 3.206, 95% CI [1.271, 8.088], p = .014; SII: OR 3.074,95% CI [1.232,7.672], p = .016). When NLR was combined with SII, the highest subgroup had a higher risk of MMD than the lowest subgroup (OR2.643, 95% CI [1.340, 5.212], p = .005). The risk of subtypes also increased with higher levels of NLR and SII. The association between the levels of NLR and SII with the staging of the Suzuki stage follows an inverted U-shape. The highest levels of NLR and SII were found in patients with MMD at Suzuki stages 3-4.Conclusion:The risk of MMD increases with elevated systemic immune-inflammatory markers. This study analysed the association of systemic immune-inflammatory markers with the risk of developing MMD and its subtypes, and identified novel inflammatory markers for MMD.
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Gut microbiota in adults with moyamoya disease: characteristics and biomarker identification. Front Cell Infect Microbiol 2023; 13:1252681. [PMID: 37915847 PMCID: PMC10616959 DOI: 10.3389/fcimb.2023.1252681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/26/2023] [Indexed: 11/03/2023] Open
Abstract
Background and purpose When it comes to the onset of moyamoya disease (MMD), environmental variables are crucial. Furthermore, there is confusion about the relationship between the gut microbiome, an environmental variable, and MMD. Consequently, to identify the particular bacteria that cause MMD, we examined the gut microbiome of MMD individuals and healthy controls (HC). Methods A prospective case-control investigation was performed from June 2021 to May 2022. The fecal samples of patients with MMD and HC were obtained. Typically, 16S rRNA sequencing was employed to examine their gut microbiota. The QIIME and R softwares were used to examine the data. The linear discriminant analysis effect size analysis was used to determine biomarkers. Multivariate analysis by linear models (MaAsLin)2 were used to find associations between microbiome data and clinical variables. Model performance was assessed using the receiver operating characteristic curve and the decision curve analysis. Results This investigation involved a total of 60 MMD patients and 60 HC. The MMD group's Shannon and Chao 1 indices were substantially lower than those of the HC cohort. β-diversity was significantly different in the weighted UniFrac distances. At the phylum level, the relative abundance of Fusobacteriota/Actinobacteria was significantly higher/lower in the MMD group than that in the HC group. By MaAsLin2 analysis, the relative abundance of the 2 genera, Lachnoclostridium and Fusobacterium, increased in the MMD group, while the relative abundance of the 2 genera, Bifidobacterium and Enterobacter decreased in the MMD group. A predictive model was constructed by using these 4 genera. The area under the receiver operating characteristic curve was 0.921. The decision curve analysis indicated that the model had usefulness in clinical practice. Conclusions The gut microbiota was altered in individuals with MMD, and was characterized by increased abundance of Lachnoclostridium and Fusobacterium and decreased abundance of Bifidobacterium and Enterobacter. These 4 genera could be used as biomarkers and predictors in clinical practice.
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Neuromonitoring Identifies Occlusion of Femoral Artery in STA-MCA Bypass Procedure: A Case Report. Neurodiagn J 2023; 63:180-189. [PMID: 37723081 DOI: 10.1080/21646821.2023.2247952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 08/07/2023] [Indexed: 09/20/2023]
Abstract
Intraoperative neurophysiological monitoring (IONM) is a technique used to assess the somatosensory and gross motor systems during surgery. While it is primarily used to detect and prevent surgically induced nervous system trauma, it can also detect and prevent injury to the nervous system that is the result of other causes such as trauma or ischemia that occur outside of the operative field as a result of malpositioning or other problematic physiologic states. We present a case study where a neuromonitoring alert altered the surgical procedure, though the alert was not correlated to the site of surgery. A 69-year-old male with a history of bilateral moyamoya disease and a left middle cerebral artery infarct underwent a right-sided STA-MCA bypass and encephaloduroarteriosynangiosis (EDAS) with multimodal IONM. During the procedure, the patient experienced a loss of motor evoked potential (MEP) recordings in the right lower extremity. Blood pressure was elevated, which temporarily restored the potentials, but they were lost again after the angiography team attempted to place an arterial line in the right femoral artery. The operation was truncated out of concern for left hemispheric ischemia, and it was later discovered that the patient had an acute right external iliac artery occlusion caused by a fresh thrombus in the common femoral artery causing complete paralysis of the limb. This case highlights the importance of heeding IONM alerts and evaluating for systemic causes if the alert is not thought to be of surgical etiology. IONM can detect adverse systemic neurological sequelae that is not necessarily surgically induced.
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Nilotinib cause moyamoya disease in the treatment of chronic myelogenous leukemia during chronic phase: A case report. Asian J Surg 2023; 46:4001-4002. [PMID: 37137777 DOI: 10.1016/j.asjsur.2023.04.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 04/06/2023] [Indexed: 05/05/2023] Open
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Autophagy and mitophagy-related extracellular mitochondrial dysfunction of cerebrospinal fluid cells in patients with hemorrhagic moyamoya disease. Sci Rep 2023; 13:13753. [PMID: 37612316 PMCID: PMC10447448 DOI: 10.1038/s41598-023-40747-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 08/16/2023] [Indexed: 08/25/2023] Open
Abstract
We aimed to investigate whether mitochondrial dysfunction in extracellular cerebrospinal fluid (CSF), which is associated with autophagy and mitophagy, might be involved in neurological outcomes in adult patients with hemorrhagic moyamoya disease (MMD) whose pathogenesis related to poor outcomes is not well-known. CSF samples were collected from 43 adult MMD patients and analyzed according to outcomes at 3 months. Fluorescence-activated cell sorter analysis (FACS) and the JC-1 red/green ratio were used to assess mitochondrial cells and intact mitochondrial membrane potential (MMP). We performed quantitative real-time polymerase chain reaction and Western blotting analyses of autophagy and mitophagy-related markers, including HIF1α, ATG5, pBECN1, BECN1, BAX, BNIP3L, DAPK1, and PINK1. Finally, FACS analysis with specific fluorescence-conjugated antibodies was performed to evaluate the potential cellular origin of CSF mitochondrial cells. Twenty-seven females (62.8%) with a mean age of 47.4 ± 9.7 years were included in the study. Among 43 patients with hemorrhagic MMD, 23 (53.5%) had poor outcomes. The difference in MMP was evident between the two groups (2.4 ± 0.2 in patients with poor outcome vs. 3.5 ± 0.4 in patients with good outcome; p = 0.02). A significantly higher expression (2-ΔCt) of HIF1α, ATG5, DAPK1 followed by BAX and BNIP3L mRNA and protein was also observed in poor-outcome patients compared to those with good outcomes. Higher percentage of vWF-positive mitochondria, suggesting endothelial cell origins, was observed in patients with good outcome compared with those with poor outcome (25.0 ± 1.4% in patients with good outcome vs. 17.5 ± 1.5% in those with poor outcome; p < 0.01). We observed the association between increased mitochondrial dysfunction concomitant with autophagy and mitophagy in CSF cells and neurological outcomes in adult patients with hemorrhagic MMD. Further prospective multicenter studies are needed to determine whether it has a diagnostic value for risk prediction.
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The emerging role of E3 ubiquitin ligase RNF213 as an antimicrobial host determinant. Front Cell Infect Microbiol 2023; 13:1205355. [PMID: 37655297 PMCID: PMC10465799 DOI: 10.3389/fcimb.2023.1205355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 07/24/2023] [Indexed: 09/02/2023] Open
Abstract
Ring finger protein 213 (RNF213) is a large E3 ubiquitin ligase with a molecular weight of 591 kDa that is associated with moyamoya disease, a rare cerebrovascular disease. It is located in the cytosol and perinuclear space. Missense mutations in this gene have been found to be more prevalent in patients with moyamoya disease compared with that in healthy individuals. Understanding the molecular function of RNF213 could provide insights into moyamoya disease. RNF213 contains a C3HC4-type RING finger domain with an E3 ubiquitin ligase domain and six AAA+ adenosine triphosphatase (ATPase) domains. It is the only known protein with both AAA+ ATPase and ubiquitin ligase activities. Recent studies have highlighted the role of RNF213 in fighting against microbial infections, including viruses, parasites, bacteria, and chlamydiae. This review aims to summarize the recent research progress on the mechanisms of RNF213 in pathogenic infections, which will aid researchers in understanding the antimicrobial role of RNF213.
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Brain perfusion, cognition, and plasma Alzheimer's biomarkers in moyamoya disease. Alzheimers Dement 2023; 19:3316-3326. [PMID: 36762755 DOI: 10.1002/alz.12958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/06/2022] [Accepted: 12/22/2022] [Indexed: 02/11/2023]
Abstract
INTRODUCTION Because growing interest has been focusing on cerebral blood flow (CBF) to predict, prevent, and treat Alzheimer's disease (AD), it is important to clarify the role of CBF in AD pathology and cognitive decline. METHODS In a moyamoya disease (MMD) cohort, we examined CBF, specific cognitive domains, and plasma AD biomarkers, as well as correlations among these variables. RESULTS CBF was significantly reduced in newly diagnosed MMD patients, while plasma phosphorylated tau181 was elevated and positively correlated with hypoperfusion accumulation. MMD patients scored significantly lower than controls in multiple cognitive tests. Revascularization increased CBF to the recipient brain territories as well as cognitive performance but produced no significant change in AD biomarker levels. DISCUSSION These data suggest a link between accumulated reductions in CBF and cognitive decline, as well as a possible role of AD-like pathological burden. Further studies in MMD will provide opportunities to explore new treatment strategies.
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Highlight: Is smoke the signal for surgery? Should the moyamoya syndrome "puff of smoke" trigger cerebral revascularization surgery in children with sickle cell disease? Pediatr Blood Cancer 2023; 70:e30371. [PMID: 37132151 DOI: 10.1002/pbc.30371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 03/31/2023] [Indexed: 05/04/2023]
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Temperature measurement of intracranial cerebrospinal fluid using diffusion tensor imaging after revascularization surgery in Moyamoya disease. Magn Reson Imaging 2023; 99:1-6. [PMID: 36608908 DOI: 10.1016/j.mri.2022.12.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 12/31/2022] [Indexed: 01/05/2023]
Abstract
OBJECTIVE Brain temperature monitoring using a catheter thermometer has been reported to be a useful technique to predict prognosis in neurosurgery. To investigate the possibility of measuring intracranial cerebrospinal fluid temperature for postoperative monitoring in patients with Moyamoya disease (MMD) after bypass surgery. MATERIALS AND METHODS This study evaluated fifteen patients with MMD who were indicated for bypass surgery. Diffusion tensor imaging for brain thermometry were performed on a 1.5-T MR scanner. Intracranial cerebrospinal fluid temperature with/without considering the fractional anisotropy component, body temperature, C-reactive protein levels, white blood cell count, and cerebral blood flow measured by 123I-IMP single-photon emission computed tomography were obtained before surgery and 1-3 days after surgery. Pixel values considered to be signal outliers in fractional anisotropy processing were defined as cerebrospinal fluid noise index and calculated. Wilcoxon signed-rank test and effect size were performed to compare the changes before and after revascularization. Spearman's rho correlation coefficient was used to analyze the correlations between each parameter. Statistical significance was defined as p < 0.05. RESULTS All parameter values became significantly higher compared to those measured before revascularization (p < 0.01 in all cases). The effect sizes were largest for the cerebrospinal fluid temperature with fractional anisotropy processing and for C-reactive protein levels (Rank-biserial correlation = 1.0). The cerebrospinal fluid noise index and cerebrospinal fluid temperatures with fractional anisotropy processing (r = 0.84, p < 0.0001) or without fractional anisotropy processing (r = 0.95, p < 0.0001) showed highly significant positive correlations. Although no significant correlation was observed, cerebrospinal fluid temperatures with fractional anisotropy had small or moderately positive correlations with cerebral blood flow, body temperature, C-reactive protein levels, and white blood cell count (r = 0.37, 0.42, 0.41, and 0.44, respectively; p > 0.05). CONCLUSION Our findings suggest the possibility of postoperative monitoring for MMD patients by measuring intracranial cerebrospinal fluid temperature with fractional anisotropy processing. Intracranial cerebrospinal fluid temperature might be considered as combined response since cerebrospinal fluid, body temperature, and inflammation are equally correlated.
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Characteristics and Clinical Implication of White Matter Lesions in Patients With Adult Moyamoya Disease. Neurology 2023; 100:e1912-e1921. [PMID: 36878709 PMCID: PMC10159762 DOI: 10.1212/wnl.0000000000207130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 01/17/2023] [Indexed: 03/08/2023] Open
Abstract
BACKGROUND AND OBJECTIVES White matter hyperintensities (WMHs) are reportedly increased in moyamoya disease (MMD); however, their clinical importance is not well-established owing to their pathophysiologic heterogeneity by distribution. This study aimed to evaluate the burden and pattern of WMHs and its clinical implications in the MMD trajectory. METHODS Adult patients with MMD without significant structural lesions were 1:1 propensity score-matched with healthy controls for sex and vascular risk factors. The total, periventricular, and subcortical WMH volumes were segmented and quantified fully automatically. WMH volumes were detrended by age and compared between the 2 groups. MMD severity based on Suzuki stage and future ischemic events were assessed for their association with WMH volumes. RESULTS A total of 161 pairs of patients with MMD and controls were analyzed. MMD significantly correlated with increased total WMH volume (B [standard error], 0.126 [0.030]; p < 0.001), periventricular WMH volume (0.114 [0.027]; p < 0.001), and periventricular-to-subcortical ratio (0.090 [0.034]; p = 0.009). In the MMD subgroup (n = 187), advanced MMD had an independent association with the total WMH volume (0.120 [0.035]; p < 0.001), periventricular WMH volume (0.110 [0.031]; p < 0.001), and periventricular-to-subcortical ratio (0.139 [0.038]; p < 0.001). Periventricular WMH volume (adjusted hazard ratio [95% confidence interval], 5.12 [1.26-20.79]) and periventricular-to-subcortical ratio (3.80 [1.51-9.56]) were associated with future ischemic events in patients with medically followed up MMD. However, no demonstrable association was found between subcortical WMH volume and MMD, MMD severity, or future ischemic events. DISCUSSION Periventricular WMHs, but not subcortical WMHs, may represent the main pathophysiology of MMD. Periventricular WMHs may be used as a marker for ischemic vulnerability in patients with MMD.
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Differentiation Between Internal Carotid Artery Hypoplasia and Acquired Narrowing by Neurovascular Ultrasound: Case Series and Literature Review. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2023; 42:765-776. [PMID: 35984092 DOI: 10.1002/jum.16083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/27/2022] [Accepted: 07/30/2022] [Indexed: 06/15/2023]
Abstract
Uniformly narrowed internal carotid artery (ICA) without proximal steno-occlusion or parietal anomalies is often subject to misdiagnosis due to lack of awareness. We combined our experiences of 4 cases with 29 previously published cases to form a retrospective series including 18 cases of ICA hypoplasia and 15 cases of ICA acquired narrowing. The ultrasonic manifestations of ICA acquired narrowing and ICA hypoplasia are extremely similar, but narrowed ICA without intracranial occlusion or bottle-neck-sign highly indicates ICA hypoplasia, whereas moyamoya vessels favor ICA acquired narrowing, thus promoting the understanding of and discriminability between the two on neurovascular ultrasound.
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Increasing precision in the management of pediatric neurosurgical cerebrovascular diseases with molecular genetics. J Neurosurg Pediatr 2023; 31:228-237. [PMID: 36609371 DOI: 10.3171/2022.12.peds22332] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 12/05/2022] [Indexed: 01/09/2023]
Abstract
Recent next-generation DNA and RNA sequencing studies of congenital and pediatric cerebrovascular anomalies such as moyamoya disease, arteriovenous malformations, vein of Galen malformations, and cavernous malformations have shed new insight into the genetic regulation of human cerebrovascular development by implicating multiple novel disease genes and signaling pathways in the pathogenesis of these disorders. These diseases are now beginning to be categorized by molecular disruptions in canonical signaling pathways that impact the differentiation and proliferation of specific venous, capillary, or arterial cells during the hierarchical development of the cerebrovascular system. Here, the authors discuss how the continued study of these and other congenital cerebrovascular conditions has the potential to replace the current antiquated, anatomically based disease classification systems with a molecular taxonomy that has the potential to increase precision in genetic counseling, prognostication, and neurosurgical and endovascular treatment stratification. Importantly, the authors also discuss how molecular genetic data are already informing clinical trials and catalyzing the development of targeted therapies for these conditions historically considered as exclusively neurosurgical lesions.
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Moyamoya Syndrome Presenting with Ischemic Stroke Caused by Rapid Worsening of Vessel Stenosis Associated with Triple-seropositive Antiphospholipid Syndrome. Intern Med 2023; 62:793-796. [PMID: 35945020 PMCID: PMC10037010 DOI: 10.2169/internalmedicine.9316-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Several case reports of patients with both moyamoya syndrome (MMS) and antiphospholipid syndrome (APS) have been published. However, the relationship between MMS and APS has not been clarified. We herein report a patient with MMS who had an ischemic stroke with rapid worsening of stenosis of the middle cerebral artery associated with APS. The patient was triple-positive for antiphospholipid antibodies. Patients with MMS complicated by APS should be closely followed up with vascular imaging.
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Ruptured saccular aneurysm of the lenticulostriate artery embolized without parent artery occlusion in a case of moyamoya disease. Neuroradiol J 2023; 36:108-111. [PMID: 35545931 PMCID: PMC9893168 DOI: 10.1177/19714009221101307] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
In cases of moyamoya disease, an aneurysm of the lenticulostriate artery (LSA) is a rare finding. Preventive management of rebleeding from a ruptured aneurysm of the LSA is important to avoid poor outcomes. Endovascular embolization of a ruptured LSA aneurysm with parent artery occlusion has been reported in previous cases of moyamoya disease; however, to the best of our knowledge, a ruptured aneurysm treated only with coil embolization has not been described. A 42-year-old woman presented with sudden onset of dysarthria and right hemiparesis. Putaminal hemorrhage from a ruptured aneurysm in the left LSA was detected. Angiographically, moyamoya vessels were revealed. The aneurysm in the left LSA was saccular type and seemed to be related to moyamoya disease. As the aneurysm was successfully approached with a microcatheter, coil embolization without parent artery occlusion was performed. Rebleeding from the embolized aneurysm in the LSA did not occur. This is the first report of a ruptured LSA aneurysm embolized using coils through a flow-guiding microcatheter without parent artery occlusion in a case of moyamoya disease.
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Identification of moyamoya disease based on cerebral oxygen saturation signals using machine learning methods. JOURNAL OF BIOPHOTONICS 2022; 15:e202100388. [PMID: 35102703 DOI: 10.1002/jbio.202100388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 01/28/2022] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
Moyamoya is a cerebrovascular disease with a high mortality rate. Early detection and mechanistic studies are necessary. Near-infrared spectroscopy (NIRS) was used to study the signals of the cerebral tissue oxygen saturation index (TOI) and the changes in oxygenated and deoxygenated hemoglobin concentrations (HbO and Hb) in 64 patients with moyamoya disease and 64 healthy volunteers. The wavelet transforms (WT) of TOI, HbO and Hb signals, as well as the wavelet phase coherence (WPCO) of these signals from the left and right frontal lobes of the same subject, were calculated. Features were extracted from the spontaneous oscillations of TOI, HbO and Hb in five physiological activity-related frequency segments. Machine learning models based on support vector machine (SVM), random forest (RF) and extreme gradient boosting (XGBoost) have been built to classify the two groups. For 20-min signals, the 10-fold cross-validation accuracies of SVM, RF and XGBoost were 87%, 85% and 85%, respectively. For 5-min signals, the accuracies of the three methods were 88%, 88% and 84%, respectively. The method proposed in this article has potential for detecting and screening moyamoya with high proficiency. Evaluating the cerebral oxygenation with NIRS shows great potential in screening moyamoya diseases.
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[Genetic Factors of Intracranial Artery Stenosis and Potential for Personalized Medicine]. NO SHINKEI GEKA. NEUROLOGICAL SURGERY 2022; 50:222-233. [PMID: 35169102 DOI: 10.11477/mf.1436204547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
It has been verified that the missense variant c.14429G>A(p.Arg4810Lys, rs112735431)of RNF213(Ringer finger protein 213)is significantly associated with intracranial artery stenosis(ICAS). The clinical features of ICAS with RNF213 p.Arg4810Lys are also becoming clear. In addition, RNF213 p.Arg4810Lys has been found to be associated with coronary artery stenosis/renal artery stenosis and pulmonary hypertension, and has been attracting attention as a variant that causes systemic vascular disease. Functional analysis of RNF213 is also progressing, but the mechanism involved in disease onset has not yet been clarified, and further analysis is expected for the realization of personalized medicine for ICAS.
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Something hazy drifting in the air…. Arch Dis Child Educ Pract Ed 2021; 106:341-343. [PMID: 31862781 DOI: 10.1136/archdischild-2019-317535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 11/13/2019] [Indexed: 11/04/2022]
Abstract
-A 7-year-old boy with a background of autism presented to the paediatric emergency department with his left arm 'feeling strange' then became difficult to rouse. On examination, he was found to have left arm weakness and a left-sided facial droop without forehead muscle involvement. Three hours later, his symptoms had completely resolved and he was suspected to have had a first seizure. He was admitted for observation and an electroencephalography which showed slower rhythms in the right posterior quadrant, which was reported as within normal appearances for his age. He was discharged home the following day. Three days later he became lethargic and vomited. His parents reported dysphasia with use of single-word phrases only, he also appeared confused. He re-presented to the paediatric emergency department, where he was found to have increased tone in the left arm, ankle clonus and an upgoing plantar reflex on the left hand side.
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Long-term mortality in patients with moyamoya angiopathy according to stroke presentation type in South Korea. Acta Neurochir (Wien) 2021; 163:3473-3481. [PMID: 34427768 DOI: 10.1007/s00701-021-04959-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 07/29/2021] [Indexed: 12/01/2022]
Abstract
BACKGROUND Incidence, prevalence, and long-term survival outcomes in patients with moyamoya angiopathy (MMA) according to stroke presentation type and age group have not been clearly elucidated. METHODS We investigated mortality in patients with MMA (moyamoya disease, probable moyamoya disease, moyamoya syndrome) of whose International Classification Disease 10 code was I67.5 from 2006 to 2015 using the Korean National Health Insurance database. MMA at diagnosis was classified into 3 types (ischemic, hemorrhagic, and asymptomatic or else) according to stroke presentation. Survival analysis was performed according to stroke presentation type and age group (< 15 years and ≥ 15 years) using the Kaplan-Meier method. RESULTS There were 12,146 newly diagnosed moyamoya cases, with a female-to-male ratio of 1.81; the ischemic type was identified in 3671 (30.2%) patients, the hemorrhagic type in 2449 (20.2%) patients, and the asymptomatic or else type in 6026 (49.6%) patients. The mean age at diagnosis according to stroke presentation was 33.1 (± 14.8) years in asymptomatic or else type, 41.2 (± 17.3) years in ischemic type, and 45.4 (± 14.3) years in hemorrhagic type (P < 0.001). The 10-year survival rates in ischemic-, hemorrhagic-, and asymptomatic or else-type patients were 88.9%, 76.3%, and 94.3%, respectively (log-rank test; P < 0.001). Pediatric MMA (< 15 years) and adult MMA (≥ 15 years) showed different survival curves according to stroke presentation type (log-rank test; P = 0.017, P < 0.001, respectively). CONCLUSIONS Our study showed that moyamoya patients had different diagnosis ages and distinct survival courses according to stroke presentation type. Adult moyamoya patients with hemorrhagic presentation had the worst survival outcomes.
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Neurocognitive Outcomes in Adult Quasi - Moyamoya Disease: A Prospective Analysis of Consecutive Cases. Neurol India 2020; 68:1409-1413. [PMID: 33342877 DOI: 10.4103/0028-3886.304116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
BACKGROUND This study aimed to evaluate and compare the neurocognitive outcomes of adult quasi-moyamoya disease (quasi-MMD) patients with autoimmune diseases (AIDs) to help better manage these patients. METHODS We performed a structured battery of neurocognitive tests to analyze and compare the neurocognitive outcomes of adult quasi-MMD patients with AID in our hospital from October 2000 to September 2015. RESULTS Overall, 27.3% of the neuropsychological test comparisons indicated a significant improvement in cognition, and a significant decline was found in 6%. In 47.4% of comparisons, the observed difference did significantly change the reliable change indices (RCI) before and after anti-autoimmune treatment. We found that the number of patients showing significant improvements, and no change in cognitive outcomes did differ between quasi-MMD and MMD (31.8% vs 14.9% with p = 0.006 and 50.0% vs 66.8% with p = 0.031, respectively; Chi-squared test). The incidence of cognitive decline in quasi-MMD patients (18.2%) did not significantly differ from that in MMD patients (18.3%) (p = 0.982). After adjusting for covariates, including sex, age, type 2 diabetes mellitus, risk factors, other comorbidities, and AID, multiple logistic regression analysis suggested that AID was more likely to aggravate the neurocognitive outcome of quasi-MMD patients (p = 0.042, odds ratio (OR) 6.78, 95% confidence interval (CI) 1.31-62.71). CONCLUSIONS AID was more likely to aggravate the neurocognitive outcome of quasi-MMD patients, and anti-autoimmune treatment could improve long-term neurocognitive outcomes. These findings indicated that AID seemed to be an independent risk factor for the pathological and physiological mechanisms of quasi-MMD.
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In Reply: Three-Vessel Anastomosis for Direct Bihemispheric Cerebral Revascularization. Oper Neurosurg (Hagerstown) 2020; 19:E458-E460. [PMID: 32629481 DOI: 10.1093/ons/opaa190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 04/22/2020] [Indexed: 11/15/2022] Open
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The Significance and Challenge of Quantitative Hemodynamic Study in Moyamoya Disease. AJNR Am J Neuroradiol 2020; 41:E71. [PMID: 32675344 DOI: 10.3174/ajnr.a6517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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In Reply to the Letter to the Editor Regarding "Intracranial Aneurysms Associated with Moyamoya Disease in Children: Clinical Features and Long-Term Surgical Outcome". World Neurosurg 2020; 139:636-637. [PMID: 32689653 DOI: 10.1016/j.wneu.2020.02.070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 02/10/2020] [Indexed: 11/19/2022]
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In Reply to the Letter to the Editor Regarding "Revascularization Surgery in Childhood Associated with a Low Incidence of Microbleeds in Adult Patients with Moyamoya". World Neurosurg 2020; 138:573. [PMID: 32545000 DOI: 10.1016/j.wneu.2020.03.092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 03/14/2020] [Indexed: 11/15/2022]
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In Reply to the Letter to the Editor Regarding "Brain Compression by Encephalo-Myo-Synangiosis is a Risk Factor for Transient Neurological Deficits After Surgical Revascularization in Pediatric Patients with Moyamoya Disease". World Neurosurg 2020; 136:443. [PMID: 32204295 DOI: 10.1016/j.wneu.2020.01.178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 01/22/2020] [Indexed: 11/18/2022]
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Recurrent stroke due to quasi- moyamoya disease associated with POEMS syndrome: An autopsy case. J Neurol Sci 2020; 412:116738. [PMID: 32092484 DOI: 10.1016/j.jns.2020.116738] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/13/2020] [Accepted: 02/14/2020] [Indexed: 11/15/2022]
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[Modern trends in diagnosis and surgical treatment of moyamoya disease]. ZHURNAL VOPROSY NEIROKHIRURGII IMENI N. N. BURDENKO 2020; 84:90-103. [PMID: 32759932 DOI: 10.17116/neiro20208404190] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This review is devoted to moyamoya disease. It is a rare chronic steno-occlusive cerebrovascular disease. However, moyamoya disease is increasingly diagnosed by neurosurgeons in our country. Unlike atherosclerotic lesions of cerebral arteries, pathogenesis and course of this disease are much more complex and variable. Therefore, specialists often have certain difficulties in diagnosis, management and treatment of these patients. To date, a large number of surgical interventions have been proposed for the treatment of moyamoya disease. Revascularization approaches include direct procedures (extra-intracranial microanastomoses), indirect methods (synangioses) and combined revascularization. The purpose of the review is to systematize current literature data on the pathogenesis, diagnosis, clinical patterns and surgical treatment of patients with moyamoya disease. results Outcomes of surgical revascularization and the role of its various components in combined approach are under particular attention.
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[Combination of double and indirect two-sided revascularization of the brain in the treatment of moyamoya disease]. ZHURNAL VOPROSY NEIROKHIRURGII IMENI N. N. BURDENKO 2020; 84:93-102. [PMID: 32412198 DOI: 10.17116/neiro20208402193] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
An adult patient with progressive chronic cerebral ischemia associated with moyamoya disease who underwent combined revascularization of both cerebral hemispheres in step-by-step fashion is reported in the article. The feature of this case is a large volume of revascularization procedures with double-barrel extra-intracranial anastomoses combined with indirect synangioses. This surgical approach ensured early postoperative development of extensive collateral network and complete compensation of impaired cerebral circulation. Particular attention is paid to description and discussion of preoperative diagnosis, the choice of surgical treatment, as well as the features of surgical technique. The advantages and disadvantages of this approach are discussed in comparison with literature data.
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Brain vessel anomalies in autosomal dominant polycystic kidney disease. THE NATIONAL MEDICAL JOURNAL OF INDIA 2019; 32:189. [PMID: 32129319 DOI: 10.4103/0970-258x.278698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
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[Applications of cerebral bypass surgery in modern neurosurgery]. Ugeskr Laeger 2019; 181:V03180236. [PMID: 30931883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The indication for cerebral bypass has changed drastically within the latest two decades due to advances in medical therapy and endovascular treatment. In this review, we discuss the various types of cerebral bypass and their application in modern neurosurgery, from cerebral hypoperfusion including cerebral atherosclerosis and moyamoya disease, to the treatment of complex cerebral aneurysms and skull-base tumours. The number of Danish patients treated abroad with cerebral bypass over the latest decade warrants establishment of cerebral bypass surgery in Denmark.
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Reply to: Moyamoya disease and systemic sclerosis (MoSys syndrome): a combination of two rare entities: comment to the authors. Clin Exp Rheumatol 2017; 35 Suppl 106:217. [PMID: 28516875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 03/08/2017] [Indexed: 06/07/2023]
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Strategy and tactics of bypass surgery for moyamoya disease. Acta Neurochir (Wien) 2017; 159:1495-1496. [PMID: 28551837 DOI: 10.1007/s00701-017-3224-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Accepted: 05/11/2017] [Indexed: 11/30/2022]
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In Reply To " Moyamoya Disease: From Hypoperfusion to Network Disruption". World Neurosurg 2017; 104:1038-1039. [PMID: 28732427 DOI: 10.1016/j.wneu.2017.05.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 05/18/2017] [Indexed: 11/18/2022]
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[Retrospective Review of Labor Analgesia for Parturients with Moyamoya Disease.]. MASUI. THE JAPANESE JOURNAL OF ANESTHESIOLOGY 2016; 65:811-816. [PMID: 30351592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
BACKGROUND Moyamoya disease (MD) is an occlu- sive cerebrovascular disease with risks of cerebral ischemia or hemorrhage. Although cesarean section (CS) is the prevailing delivery mode for these parturi- ents to stabilize cerebral circulation, the preferable mode remains controversial. We have conducted vagi- nal delivery with neuraxial analgesia (NA) because safety with the procedure is equivalent to that with CS. The aim of this study is to investigate peripartum outcomes, particularly delivery mode and occurrence of cerebrovascular events, in women with MD. METHODS We retrospectively analyzed the data of parturients with MD for the previous 8 years. RESULTS Among 13 pregnancies during this period, eight were vaginal deliveries with NA, while CS was executed in five cases according to obstetric indica- tions. Instrumental deliveries were conducted in five among eight vaginal delivery cases. No cerebrovascular event occurred during delivery. A transient ischemic attack in one case of vaginal delivery and cerebral ischemia in CS were noted in the postpartum period. CONCLUSIONS We successfully managed vaginal deliveries in the eight patients with MD using NA. NA provides pain relief and assures maternal hemody- namic and respiratory stability during delivery. Instru- mental delivery plays a key role in reducing the dura- tion of the second stage of labor.
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[Treatment of moyamoya disease by superficial temporal artery-middle cerebral artery anastomosis]. ZHONGHUA YI XUE ZA ZHI 2015; 95:3501-3504. [PMID: 26813272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To explore the clinical efficacy and experiences of superficial temporal artery-middle cerebral artery anastomosis (STA-MCA) for the treatment of adult Moyamoya disease. METHOD Preoperative and postoperative clinical data of 60 patients with moyamoya disease from affiliated hospital of jining medical college were analyzed retrospectively, including 46 cases of ischemic lesion and 14 cases of hemorrhage lesion. All patients were diagnosed with moyamoya disease by DSA and received STA-MCA anastomosis. RESULTS The clinical symptoms of 52 patients disappeared after surgery; the clinical symptoms were improved in 6 patients; 1 patient complicated with cerebral infarction; 1 patients reoccurred cerebral hemorrhage broken into ventricles 1 year after anastomosis. CONCLUSION STA-MCA anastomosis can improve the symptoms of ischemic moyamoya disease effectively and reduce the recurrence of cerebral hemorrhage. STA-MCA anastomosis is a rational and effective approach for the treatment of adult Moyamoya disease.
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[Treatment of pediatric ischemia moyamoya disease by direct bypass combined with multiple burr hole]. ZHONGHUA YI XUE ZA ZHI 2015; 95:2202-2204. [PMID: 26710913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To investigate the treatment outcome of superficial temporal artery-middle cerebral artery bypass (STA-MCA) combined with multiple burr hole (MB) in pediatric ischemia moyamoya disease. METHOD A total of 31 pediatric patients with ischemic moyamoya disease who were admitted to Beijing Tiantan hospital from 2010 to 2013 were divided into two groups which were STA-MCA + MB surgery group (n = 16) and STA-MCA surgery only group (n = 15). RESULTS In all patients, the number of patients with symptom improvement was 24 (77.4%), the number of patients with no symptom improvement was 5 (16.1%) and with symptom deterioration was 2 (6.5%). The postoperative modified rankin scale (mRS) in STA-MCA + MB group was significantly lower than that in STA-MCA group (P < 0.05). CONCLUSION The treatment outcome of STA-MCA combined with MB is superior to STA-MCA bypass surgery only and doesn't increase the incidence of complication.
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Organ donation and Moyamoya disease. Am J Transplant 2012; 12:1353-5. [PMID: 22299649 DOI: 10.1111/j.1600-6143.2011.03934.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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[ Moyamoya disease among children]. Rev Neurol 2008; 47:278-280. [PMID: 18780279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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[Anesthetic management for cesarean section in a patient with moyamoya disease]. MASUI. THE JAPANESE JOURNAL OF ANESTHESIOLOGY 2006; 55:1005-7. [PMID: 16910484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
A 28-year-old female patient with moyamoya disease after hemorrhage into the cerebral cavity, and a history of an indirect blood-circulation reconstruction surgery at 19 years of age, was scheduled to undergo cesarean section at 34 weeks of gestation because of pregnancy toxemia. No symptoms and no abnormal shadow with MRI were observed preoperatively. To avoid intracranial hemorrhage and cerebral infarction, epidural anesthesia was performed. No complication was observed during and after the cesarean section.
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