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Das S, Chakraborty AP, Dubey S, Ray BK. Cortical Blindness and Moyamoya Angiopathy in the Context of an Acute COVID-19 Infection. J Neuroophthalmol 2024; 44:e172-e173. [PMID: 36166773 DOI: 10.1097/wno.0000000000001633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Shambaditya Das
- Department of Neurology (SD), Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India; Department of Neurology (AC), Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India; Department of Neurology (SD), Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India; and Department of Neurology (BKR), Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India
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Wittenberg B, Ryan M, Hoffman J, Bernard T, Seinfeld J, Wilkinson C. Rapidly Progressive Contralateral Internal Carotid Artery Stenosis After COVID-19 Infection in a Down Syndrome Patient With Unilateral Moyamoya Arteriopathy. Cureus 2024; 16:e56575. [PMID: 38646238 PMCID: PMC11031128 DOI: 10.7759/cureus.56575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/20/2024] [Indexed: 04/23/2024] Open
Abstract
Moyamoya arteriopathy is a condition where chronic, progressive stenosis of large intracranial arteries, primarily of the anterior circulation, results in ischemia and the growth of small, abnormal collateral vessels. There is increasing evidence that infectious pathologies, such as COVID-19, may serve as a sort of trigger, or "second hit," for the development of moyamoya arteriopathy. In this article, we present the case of a 13-year-old female with Down syndrome and unilateral moyamoya arteriopathy who developed contralateral internal carotid artery (ICA) dissection and thrombus in the setting of a positive COVID-19 test and subsequently developed rapidly progressive contralateral ICA and bilateral anterior cerebral artery (ACA) moyamoya-like stenosis. The rapidly progressive contralateral ICA and bilateral ACA moyamoya-like stenosis are likely multifactorial in nature. The contralateral ICA may have had a predisposition for injury and stenosis due to the preexisting moyamoya arteriopathy, making stenosis more likely after COVID-19-induced vascular inflammation and injury as well as after a possible thrombectomy-associated injury. Based on this presentation, patients with moyamoya arteriopathy may be at risk for rapid progression of their moyamoya pathology when exposed to catalysts, including infection, such as COVID-19, and vascular injury, such as thrombectomy-induced injury. In these circumstances, high suspicion and close monitoring are essential for addressing ischemia related to the stenosis before permanent injury.
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Affiliation(s)
- Blake Wittenberg
- Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Megan Ryan
- Neurosurgery, Rocky Vista University College of Osteopathic Medicine, Parker, USA
| | - Jessa Hoffman
- Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Timothy Bernard
- Neurology, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Joshua Seinfeld
- Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Corbett Wilkinson
- Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, USA
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Das S, Mossa-Basha M, Dey M, Hazra A, Pandit A, Das G, Dubey S, Ray BK. High-resolution vessel wall magnetic resonance imaging in intracranial vasculopathies: an experience from eastern India. Br J Radiol 2023; 96:20230114. [PMID: 37066831 PMCID: PMC10161925 DOI: 10.1259/bjr.20230114] [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: 02/06/2023] [Revised: 03/08/2023] [Accepted: 03/09/2023] [Indexed: 04/18/2023] Open
Abstract
OBJECTIVE To evaluate the role of high-resolution intracranial vessel wall imaging (HR-IVWI) in differentiation of various intracranial vasculopathies in addition to luminal and clinical imaging in the largest cohort of Indian stroke patients. METHODS A single-center, cross-sectional study was undertaken recruiting consecutive stroke or TIA patients presenting within a month of onset, with luminal irregularity/narrowing upstream from the stroke territory. The patients were initially classified into TOAST and Chinese ischemic stroke sub-classification (CISS) on the basis of clinical and luminal characteristics and reclassified again following incorporation of HR-IVWI findings. RESULTS In our cohort of 150 patients, additional use of HR-IVWI led to a 10.7 and 14% change in initial TOAST and CISS classification respectively (p < 0.001). In TOAST classification, 12 "undetermined aetiology" were reclassified into intracranial atherosclerotic disease (ICAD), 1 "undetermined aetiology" into CNS angiitis and 1 "undetermined aetiology" into arterial dissection. Similarly, in CISS 19 "undetermined aetiology" was reclassified into 16 large artery atherosclerosis (LAA) and 3 "other aetiology" consisting of one CNS angiitis, Moyamoya disease (MMD) and arterial dissection each. Two initial classification of MMD by CISS and TOAST were changed into ICAD. The observed change in diagnosis following incorporation of HR-IVWI was proportionately highest in ICAD (LAA) subgroup (TOAST-9.3%, CISS-12%). CONCLUSION Adjunctive use of HR-IVWI, to clinical and luminal assessment, can significantly improve diagnostic accuracy during evaluation of intracranial vasculopathies, with its greatest utility in diagnosing in ICAD, CNS angiitis and dissection. ADVANCES IN KNOWLEDGE HR-IVWI allows clearer etiological distinction of intracranial vasculopathies having therapeutic and prognostic implications.
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Affiliation(s)
- Shambaditya Das
- Department of Neurology, Bangur Institute of Neurosciences, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Mahmud Mossa-Basha
- Department of Radiology, University of Washington School of Medicine, Seattle, WA, United States
| | - Mousam Dey
- Department of Radiology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Avijit Hazra
- Department of Pharmacology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Alak Pandit
- Department of Neurology, Bangur Institute of Neurosciences, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Gautam Das
- Department of Neurology, Bangur Institute of Neurosciences, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Souvik Dubey
- Department of Neurology, Bangur Institute of Neurosciences, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Biman Kanti Ray
- Department of Neurology, Bangur Institute of Neurosciences, Institute of Post Graduate Medical Education & Research, Kolkata, India
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Profile of precipitating factors and its implication in 160 Indian patients with Moyamoya angiopathy. J Neurol 2023; 270:1654-1661. [PMID: 36477636 PMCID: PMC9734856 DOI: 10.1007/s00415-022-11499-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 11/20/2022] [Accepted: 11/21/2022] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Moyamoya angiopathy (MMA) has been known to manifest with myriad of neurological manifestations, often in association with various precipitating factors. This is the first study to systematically analyze the precipitating triggers to neurological symptoms done on the largest cohort of MMA in India. METHODS A single-centered, cross-sectional observational study, recruiting 160 patients with consecutive angiographically proven MMA over a period of 5 years (2016-2021), was undertaken to evaluate the profile of immediate precipitating factors in temporal association to the neurological symptoms, along with their clinical and radiological characteristics. SPSS 25 was used for statistical analysis. RESULTS Among the 160 patients (Adult-85, children-75), precipitating factors were seen in 41.3%, significantly higher in children (52%) than adults (31.8%) (p value: 0.011). The commonest triggers included fever (18.8%), emotional stress (8.1%), heavy exercise and diarrhea (6.3% each). Cold bath triggered MMA symptoms in 1.3%. Fever (p value: 0.008) and persistent crying (p value: 0.010) triggered neurological symptoms more commonly in children than in adults. Amongst MMA patients with precipitating factors, the commonest MMA presentation included cerebral infarction type (37.9%) and TIA (31.8%). The majority of precipitating factors that preceded an ischemic event were BP-lowing ones (54.7%). CONCLUSION Neurological symptoms of MMA are commonly associated with several precipitating factors, including the lesser known triggers like cold bath. The frequency and profile precipitating factors varies with the age of presentation and type of MMA. It can serve as an early clue to the diagnosis of MMA and its careful avoidance can be largely beneficial in limiting the distressing transient neurological symptoms.
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Liu E, Liu C, Jin L, Zhou H, Tan X, Zhang G, Tao W, Gao X, Zhao H, Luo C, Li X, Yang S. Clinical value of the systemic immune-inflammation index in moyamoya disease. Front Neurol 2023; 14:1123951. [PMID: 37153657 PMCID: PMC10157187 DOI: 10.3389/fneur.2023.1123951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/21/2023] [Indexed: 05/10/2023] Open
Abstract
Background Moyamoya disease (MMD) is a rare cerebrovascular disorder with unknown etiology. The underlying pathophysiological mechanism of moyamoya disease remains to be elucidated, but recent studies have increasingly highlighted that abnormal immune response may be a potential trigger for MMD. Neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and systemic immune-inflammation index (SII) are inflammatory markers that can reflect the immune-inflammation state of the disease. Objective The purpose of this study was to investigate SII, NLR, and PLR in patients with moyamoya disease. Methods A total of 154 patients with moyamoya disease (MMD group) and 321 age- and sex-matched healthy subjects (control group) were included in this retrospective case-control study. Complete blood count parameters were assayed to calculate the SII, NLR, and PLR values. Results The SII, NLR, and PLR values in the moyamoya disease group were significantly higher than those in the control group [754 ± 499 vs. 411 ± 205 (P < 0.001), 2.83 ± 1.98 vs. 1.81 ± 0.72 (P < 0.001), and 152 ± 64 vs. 120 ± 42 (P < 0.001), respectively]. The SII in the medium-moyamoya vessels of moyamoya disease was higher than that in the high-moyamoya vessels and low-moyamoya vessels (P = 0.005). Using the receiver operating characteristic (ROC) curve analysis to predict MMD, the highest area under the curve (AUC) was determined for SII (0.76 for SII, 0.69 for NLR, and 0.66 for PLR). Conclusion Based on the results of this study, patients with moyamoya disease admitted for inpatient care due to acute or chronic stroke have significantly higher SII, NLR, and PLR when compared to blood samples drawn from completely healthy controls in a non-emergent outpatient setting. While the findings may suggest that inflammation plays a role in moyamoya disease, further studies are warranted to corroborate such an association. In the middle stage of moyamoya disease, there may be a more intense imbalance of immune inflammation. Further studies are needed to determine whether the SII index contributes to the diagnosis or serves as a potential marker of an inflammatory response in patients with moyamoya disease.
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Affiliation(s)
- Erheng Liu
- Department of Neurosurgery, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
| | - Chengyuan Liu
- Department of Neurosurgery, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
| | - Lide Jin
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
| | - Hu Zhou
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
| | - Xueyi Tan
- Department of Neurosurgery, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
| | - Guibo Zhang
- Department of Neurosurgery, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
| | - Weihua Tao
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
| | - Xiang Gao
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
| | - Heng Zhao
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
| | - Chao Luo
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
| | - Xuehua Li
- Department of AIDS/STDs Prevention and Control, Yunnan Center for Disease Control and Prevention, Kunming, Yunnan, China
- *Correspondence: Xuehua Li
| | - Shuaifeng Yang
- Department of Neurosurgery, The First People's Hospital of Yunnan Province, Kunming, China
- Shuaifeng Yang
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Moyamoya disease emerging as an immune-related angiopathy. Trends Mol Med 2022; 28:939-950. [DOI: 10.1016/j.molmed.2022.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/22/2022]
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Das S, Ray BK, Pandit A, Kumar S, Dubey S. Multiple sclerosis and Moyamoya angiopathy: Mimic and misdiagnosis. Mult Scler Relat Disord 2022; 66:104036. [PMID: 35858500 DOI: 10.1016/j.msard.2022.104036] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 06/24/2022] [Accepted: 07/04/2022] [Indexed: 11/16/2022]
Abstract
Moyamoya Angiopathy (MMA) is frequently not considered in differential diagnosis of Multiple Sclerosis (MS). This is the first study to prospectively analyze rate of misdiagnosis of MMA as MS and its clinical implications. Of the 160 angiographically proven MMA, 5 patients had an initial misdiagnosis of MS (3.13%). These 5 cases had female-predominance (80%).Out of the 5 cases, 4 cases (80%) presented with hemiparesis; 3 cases (60%) had an immediate precipitating factor. Radiologically, presence of both periventricular and juxtacortical white-matter-lesions was seen in 4 out of 5 cases (80%);none had infratentorial/spinal lesion, while all 5 cases had presence of "Ivy" sign and abnormal flow voids. Differentiation relies on careful evaluation of clinico-radiological features. MMA should be considered as a rare but important differential to MS.
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Affiliation(s)
- Shambaditya Das
- Department of Neurology, Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India
| | - Biman Kanti Ray
- Department of Neurology, Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India
| | - Alak Pandit
- Department of Neurology, Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India
| | - Swati Kumar
- Department of Neurology, Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India
| | - Souvik Dubey
- Department of Neurology, Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India.
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Scaglione M, Napoli F, Prato G, Severino M, Bertamino M, Signa S, Maghnie M. An Atypical Case of Aphasia: Transitory Ischemic Attack in a 13-Year-Old Patient with Asymptomatic SARS-CoV-2 Infection. CHILDREN 2022; 9:children9070983. [PMID: 35883967 PMCID: PMC9322507 DOI: 10.3390/children9070983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/24/2022] [Accepted: 06/27/2022] [Indexed: 11/16/2022]
Abstract
We report the case of a 13-year-old patient, female, born in Northern Italy, who presented with an acute episode of aphasia, lasting about 15 min, accompanied by left arm dysesthesia. The state of consciousness remained preserved throughout the episode. After a first clinical evaluation at second-level hospital, the patient was sent to our institute for further investigations. Brain MRI performed at admission showed no noteworthy structural alterations. Electroencephalogram was not significant, as was the echocardiographic examination. ECG was normal, except for a corrected-QT at the upper limits of the normal range for age and gender. The neurological examination was substantially normal for the entire duration of the hospital stay. The symptomatology initially described has never reappeared. Blood tests were substantially negative, in particular thrombophilic screening excluded hereditary-familial thrombophilic diseases. Color doppler ultrasound of the supra-aortic trunks, splanchnic vessels and lower limbs were also normal. Only positivity to SARS-CoV-2 serology is reported. In the recent clinical history there were no symptoms attributable to symptomatic coronavirus infection.
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Affiliation(s)
- Marco Scaglione
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal-Child Sciences (D.I.N.O.G.M.I), University of Genoa, 16132 Genoa, Italy;
- Integrated Department of Paediatric and Hemato-Oncological Sciences, IRCCS Istituto Giannina Gaslini, 16147 Genova, Italy;
- Correspondence: ; Tel.: +39-3331918399
| | - Flavia Napoli
- Integrated Department of Paediatric and Hemato-Oncological Sciences, IRCCS Istituto Giannina Gaslini, 16147 Genova, Italy;
| | - Giulia Prato
- Integrated Department of Medical and Surgical Neuroscience and Rehabilitation-Continuity of Care, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy;
| | | | - Marta Bertamino
- Physical Medicine and Rehabilitation Unit, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy;
| | - Sara Signa
- COVID Hospital, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy;
| | - Mohamad Maghnie
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal-Child Sciences (D.I.N.O.G.M.I), University of Genoa, 16132 Genoa, Italy;
- Integrated Department of Paediatric and Hemato-Oncological Sciences, IRCCS Istituto Giannina Gaslini, 16147 Genova, Italy;
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“Asymptomatic” Moyamoya Angiopathy: Is it Truly Asymptomatic? J Stroke Cerebrovasc Dis 2022; 31:106432. [DOI: 10.1016/j.jstrokecerebrovasdis.2022.106432] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/14/2022] [Accepted: 02/20/2022] [Indexed: 11/22/2022] Open
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Das S, Dubey S, Das S, Hazra A, Pandit A, Ghosh R, Ray BK. Epidemiology of Moyamoya Angiopathy in Eastern India. Front Neurol 2022; 13:837704. [PMID: 35309562 PMCID: PMC8931392 DOI: 10.3389/fneur.2022.837704] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 01/31/2022] [Indexed: 01/15/2023] Open
Abstract
Introduction Moyamoya angiopathy (MMA) is a chronic, progressive intracranial vasculopathy with variation in prevalence and clinical manifestations across different populations. This study was aimed to estimate the frequency of MMA as an etiology of stroke and its epidemiological features in the largest cohort of MMA patients in India. Method A single-centered cross-sectional observational study over a period of 5 years (2016–2021) was undertaken among consecutive stroke and transient ischemic attack (TIA) patients to look for the presence of MMA angiographically. Each patient with angiographically proven MMA was further evaluated for demographic, clinical, and radiological characteristics. Results Among 10,250 consecutive stroke and TIA patients (ischemic = 78%, hemorrhagic = 22%), frequency of MMA was 1.56% (n = 160); 15.3% among children. Female preponderance (Male:Female = 1:1.4) was noted among 160 MMA patients, with bimodal age distribution, first peak at 3–8 years, and a shorter second peak at 41–47 years. Childhood-onset MMA was seen in 75 (46.9%) with commonest initial neurological symptom of fixed-motor-weakness (44.0%), followed by TIA (26.7%); while 85 (53.1%) had adult-onset MMA with fixed-motor-weakness (50.6%) followed by headache (24.7%) as the predominant initial neurological symptom; seizure significantly higher in children (p < 0.001) and headache in adults (p = 0.012). Transient and fixed neurological manifestations constituted 87.5 and 69.4% respectively, of symptoms throughout the disease course. Cerebral infarction (45.0%) and TIA (21.9%) were the commonest types of MMA. On brain imaging, infarction was noted in 80.6%, hemorrhage in 11.3%, significantly higher among adults (p < 0.001). Cortical infarct and Gyral pattern were commoner in children (p = 0.004), subcortical infarcts in adults (p = 0.018). Frequent Suzuki staging observed was stage 4 (31.3%), followed by stage 3 (30.0%). Involvement of posterior circulation was detected in 55.6%, brain atrophy at the time of diagnosis was seen in 65.0%. Conclusion MMA is an important etiological consideration in patients with stroke, especially in children. It can present with a myriad of transient neurological symptoms, frequently overlooked, leading to delayed diagnosis, and contributing to socio-economic burden. Indian MMA showed aberrations in its gender predisposition, age distribution, frequency of familial cases, disease manifestation, and type of stroke, in comparison to its Japanese and Caucasian counterparts pointing to the inter- and intra-continent differences of MMA phenotype. Future development of the Indian MMA national registry is of essence.
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Affiliation(s)
- Shambaditya Das
- Department of Neurology, Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India
| | - Souvik Dubey
- Department of Neurology, Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India
| | - Suman Das
- Department of Neurology, Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India
| | - Avijit Hazra
- Department of Pharmacology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Alak Pandit
- Department of Neurology, Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India
| | - Ritwik Ghosh
- Department of General Medicine, Burdwan Medical College and Hospital, Burdwan, India
| | - Biman Kanti Ray
- Department of Neurology, Institute of Post Graduate Medical Education & Research, Bangur Institute of Neurosciences, Kolkata, India
- *Correspondence: Biman Kanti Ray
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Covid-19 vaccine (covishield) heralding Moyamoya angiopathy. NEUROIMMUNOLOGY REPORTS 2022. [PMCID: PMC9061582 DOI: 10.1016/j.nerep.2022.100100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Indroduction Thrombotic complications leading to cerebrovascular events occuring in conjunction with Covid-19 vaccination though rare, is well-documented. Moyamoya Angiopathy is a progressive intracranial vasculopathy leading to recurrent strokes. Case presentation We present two index cases of young patient presenting with stroke and TIA following Covid-19 vaccination (COVISHIELD) leading to unmasking of Moyamoya Angiopathy. Conclusion Arterial stroke following Covid-19 vaccination is documented, but uncommon. However, in the background of a vasculopathy, it may not be so rare. Moyamoya Angiopathy has been closely studied in the model of inflammatory pathophysiology in genetically predisposed patients leading to progressive vaso-occlusive disease. Few reports of Covid-19 infection potentiating Moyamoya Angiopathy symptoms are also documented. Thus, as an extrapolation of the inflammatory etiopathogenesis of Moyamoya Angiopathy, Covid-19 vaccination can similarly affect the Moyamoya symptomatology. These two index cases open new lines of enquiry regarding the interplay of Covid-19 vaccination and neurological destabilization in patients with underlying vasculopathy of inflammatory pathophysiology.
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