Behnaz Ansari

Behnaz Ansari
Isfahan University of Medical Sciences · Neuroscience Research Center

Doctor of Medicine

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46
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Introduction
Skills and Expertise

Publications

Publications (46)
Article
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Background: We aimed to assess the diagnostic utility of abductor pollicis brevis/abductor digiti minimi compound muscle action potentials (APB/ADM CMAP) ratio as an indicator of split hand phenomenon in the differentiation of amyotrophic lateral sclerosis (ALS) patients from healthy controls. Objectives: To assess diagnostic utility of APB/ADM CMA...
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Amyotrophic lateral sclerosis (ALS) is a rapidly progressive neurodegeneration involving motor neurons. The 3–5 years that patients have to live is marked by day-to-day loss of motor and sometimes cognitive abilities. Enormous amounts of healthcare services and resources are necessary to support patients and their caregivers during this relatively...
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PurposeThe aim of this study was to compare clinical, neuroimaging, and laboratory features of rhino-orbito-cerebral mucormycosis (ROCM) in COVID-19 patients with and without ischemic stroke complications.Methods This observational study was conducted between August and December 2021 and 48 patients who had confirmed ROCM due to COVID-19, according...
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Aim:Vertigo is a common presenting complaint to the emergency department (ED). Distinguishing between acute central and peripheral vertigo can be challenging. During recent years, several biomarkers have been introduced for use in distinguishing central and peripheral vertigo. The current study determined whether S100 calcium-binding protein B (S10...
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Background: Limb-girdle muscular dystrophy (LGMD) is a non-syndromic muscular dystrophy caused by variations in the genes involved in muscle structure, function and repair. The heterogeneity in the severity, progression, age of onset, and causative genes makes next-generation sequencing (NGS) a necessary approach for the proper diagnosis of LGMD....
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Infantile neuroaxonal dystrophy (INAD) is a rare recessive neurodegenerative disorder manifested by symptoms like hypotonia, extrapyramidal signs, spastic tetraplegia, vision problems, cerebellar ataxia, cognitive complications, and dementia before the age of three. Various reports evaluated the relationship between the incidence of INAD and differ...
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Background: Migraine is a common neurological disorder associated with periodical disability and impaired quality of life. Recent large epidemiological studies have shown high levels of concurrency between fibromyalgia syndrome (FMS) and migraine. Objectives: Due to the possible relationship between migraine and FMS, we aimed to measure the effect...
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Background: Biallelic variants in HPCA were linked to isolated dystonia (formerly DYT2) in 2015. Since then, the clinical spectrum of HPCA-related disorder has expanded up to including a complex syndrome encompassing neurodevelopmental delay, generalized dystonia with bulbar involvement, and infantile seizures. Cases: We report four individuals...
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Parsonage-Turner syndrome (PTS) is a rare syndrome of unknown etiology; however, it is believed that an abnormality of immune response after a previous infection may be the cause of the disease. We report neuralgic amyotrophy in a patient with a history of kidney transplantation with severe acute respiratory distress syndrome coronavirus 2 infectio...
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Myasthenia gravis (MG) is an immune-mediated potentially treatable disease in which rapid diagnosis and proper treatment can control symptoms. Treatment should be individualized in each patient according to distribution (ocular or generalized) and severity of the weakness, antibody status, thymus pathology, patient comorbidities, and preferences. A...
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Introduction: Guillain-Barre Syndrome (GBS) is an autoimmune acute inflammatory demyelinating polyneuropathy usually elicited by an upper respiratory tract infection. Several studies reported GBS associated with Coronavirus Disease 2019 (COVID-19) infection. In this study, we described nine GBS patients following the COVID-19 vaccine. Methods: In t...
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Background: Pompe disease, also denoted as acid maltase or acid α-glucosidase deficiency or glycogen storage disease type II, is a rare, autosomal recessive lysosomal storage disorder. Several reports have previously described Pompe disease in Iran and considering increased awareness of related subspecialties and physicians, the disease's diagnosis...
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Background: Few studies have reported the association of Guillain-Barre syndrome (GBS) and coronavirus disease-2019 (COVID-19) infection. In this study, we reported GBS in six patients infected with COVID-19 and reviewed all existing literature about GBS in association with COVID-19. Methods: This study was performed in three referral centers of CO...
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Background: Coronavirus disease 2019 (COVID-19) is a newly recognized infectious disease that has turned into a pandemic. There are few studies reporting Guillain-Barré syndrome (GBS) and stroke separately associated with COVID-19. In this study, we report an unusual case of COVID-19 with stroke and GBS concurrently. Case Report. A 59-year-old wom...
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Background: Multiple sclerosis (MS) is a common autoimmune inflammatory disease in the central nervous system (CNS) without exact pathology. Environmental factors such as infections have a causal or protective role in MS. Helicobacter pylori (HP) is one of the infections in digestive diseases and previous studies reported controversial findings of...
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The extracellular matrix (ECM) comprises a network of macromolecules such as collagens, proteoglycans and glycoproteins. VWA1 (von Willebrand factor A domain containing 1) encodes a component of the ECM that interacts with perlecan/collagen VI, appears to be involved in stabilizing ECM structures and demonstrates high expression levels in tibial ne...
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Abstract A case is presented on a 40‑year‑old male with chronic lead poisoning with loss of consciousness, rhabdomyolysis, and acute renal failure after occupational exposure. Physical examination revealed generalized atrophy, tenderness, and swelling in the right limb and a decreased proximal muscle strength in the lower limb. A severe acute po...
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Opium sale is prohibited in Iran, and sellers mix it with lead to increase the weight. Herein, we describe neuromuscular findings in nine patients who developed lead poisoning due to opium/drug consumption. The mean age of patients was 53 ± 3.5 years and their mean blood lead level was 122.6 ± 20.8 μg/dL. Most of the patients had an acute/subacute...
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Introduction: Fat infiltration in individual muscles of sIBM patients has rarely been assessed. Methods: Sixteen sIBM patients were assessed using MRI of the thighs and lower legs. The severity of fat infiltration, proximal-to-distal and side asymmetries and the correlations with clinical and functional parameters were investigated RESULTS: All...
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Background: Motor neuron disorders involving upper and lower neurons are a genetically and clinically heterogenous group of rare neuromuscular disorders with overlap among spinal muscular atrophies (SMAs) and amyotrophic lateral sclerosis (ALS). Classical SMA caused by recessive mutations in SMN1 is one of the most common genetic causes of mortali...
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Variants in MCM3AP, encoding the germinal-centre associated nuclear protein, have been associated with progressive polyneuropathy with or without intellectual disability and ptosis in some cases, and with a complex phenotype with immunodeficiency, skin changes, and myelodysplasia. MCM3AP encoded protein functions as an acetyltransferase that acetyl...
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Background: This study was designed to investigate the difference in the prevalence of neuronal autoantibodies in patients diagnosed with established temporal lobe epilepsy (TLE) of unknown cause with mesial temporal sclerosis (MTS) and patients with TLE without MTS. Methods: In an observational cohort study design, we included thirty-three consecu...
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Background: Guillain-Barre syndrome (GBS) is an immune-mediated peripheral neuropathy. We compared clinical, laboratory characteristics, and disease course of GBS subtypes in a large group of Iranian patients in Isfahan. Materials and methods: We collected data from patients who were admitted to Alzahra referral university Hospital, Isfahan, Ira...
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Background Radicular pain is one of the most common forms of chronic pain in the world, which has challenges about effective medical therapy. The aim of this study was to evaluate the effect of pregabalin (PGB) and metformin (Met) on subacute and chronic radiculopathy. Materials and Methods This double-blind prospective clinical trial was performe...
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Background: The most common entrapment mononeuropathy of the upper extremity is carpal tunnel syndrome (CTS). It consists 90% of entrapment neuropathies. The purpose of this study was to compare cross-sectional area (CSA) of the median nerve at the wrist in CTS patients and healthy controls and define the best cut-off point of CSA to differentiate...
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Objectives: It is crucial to differentiate central from peripheral vertigo, as the former is life-threatening. MRI is presently the standard in diagnosing central vertigo, but it is expensive and not available everywhere. The aim of this study was to compare the diagnostic accuracy of neuron specific enolase (NSE) and S100B in distinguishing centra...
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Background . The mechanism of stroke in beta-thalassemia was reported previously as cardioembolic and hypercoagulable state. However, there is no report of watershed infarct in beta-thalassemia anemia. Method . We present an adult β -thalassemia major patient with manifest asymptomatic chronic left carotid occlusion who suffered watershed infarct....
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Background Valproic acid (VPA) is a widely used broad-spectrum antiepileptic drug for therapy of generalized and focal epilepsies. Cross-sectional studies have suggested that valproate treatment may be associated with hyperinsulinemia. We decided to investigate hyperinsulinemia as a health-threatening side effect of VPA in Iranian epileptic patient...
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Background The role of endothelial progenitor cells (EPCs) in the maintenance of vascularization following ischemic brain after experimental stroke has been established. Accordingly, in this study, we evaluated the role of circulating EPCs in transient ischemic attack (TIA) patients for future cerebrovascular (CV) events. Materials and Methods The...
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Background: Recent studies have focused on a positive correlation between Helicobacter pylori (H. pylori) infection and occurrence of migraine headache. This study aimed to determine the role of H. pylori infection in the two common types of migraine headache including with (MA) and without aura (MO). Methods: In a case-control study, 84 patients (...
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Background: Considering high prevalence of treatment failure in migraine and resistance to common drugs and their side effects, trying to find new treatments in chronic and relapsing migraine is important. The aim of this study was comparing the effect on memantine and sodium valpruate in treatment of chronic and episodic migraine headaches. Method...
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Background: Recent studies have shown a positive correlation between Helicobacter pylori infection and migraine headache. The aim of this study was to evaluate the role of H. pylori infection in migraine headache with (MA) and without aura (MO). Methods: This is a case-control study containing information on 84 patients (including MA, MO) and 49 h...
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Frontotemporal dementia is a neurodegenerative disorder among adults. An autosomal-dominantly form of frontotemporal dementia and Parkinsonism linked to chromosome 17q21.2 (FTDP-17) was defined in 1996. The MAPT gene is responsible for the major cases of FTDP-17, and tau also has a role in Alzheimer's disease. So far, different FTDP-17 causing muta...
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Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy that results from compression of the median nerve within the carpal tunnel. In most patients, the diagnosis can be proposed based on patient history and clinical symptoms, with physical findings being attributed only in more severely affected patients. The purpose of this study i...
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The autoimmune disease myasthenia gravis (MG), can mimic a variety of neurological disorders leading to a delay in diagnosis and treatment. On occasions, misdiagnosis of MG could lead to unnecessary therapeutic interventions. We report the case of a 50 year-old man, in whom MG was mistaken for motor neuron disease (MND). Subsequently, correct diagn...
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Frontotemporal dementia (FTD) is a group of neurodegenerative disorders characterized by atrophy of the frontal and temporal lobes. Clinical features suggestive of FTD include pre-senile onset before the age of 65, behavioral changes, social and interpersonal disinhibition, fluent and nonfluent aphasia, and loss of insight. FTD and parkinsonism lin...
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Almost all patients who developed autoimmune thyroid disease associated with encephalopathy were diagnosed to have Hashimoto's thyroiditis, but a few patients with Graves' disease who developed encephalopathy have been reported. A 36-year-old female with a 10-year history of Graves' disease had experienced three episodes of tonic-clonic seizure. At...
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Background: Diminished libido and sexual dysfunction are unusually common among male epileptic patients. The most important etiologic factor may be antiepileptic drugs (AEDs)-induced androgen deficiency. We compared reproductive hormone levels among men with epilepsy taking various AEDs and normal controls. Methods: Subjects were 59 male epileptic...
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Diminished libido and sexual dysfunction are unusually common among male epileptic patients. The most important etiologic factor may be antiepileptic drugs (AEDs)-induced androgen deficiency. We compared reproductive hormone levels among men with epilepsy taking various AEDs and normal controls. Subjects were 59 male epileptic patients who aged 24...

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