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Neurologist

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https://www.readbyqxmd.com/read/29494441/acute-basilar-artery-occlusion-does-recanalization-improve-clinical-outcome-a-critically-appraised-topic
#1
Chia-Chun Chiang, Oana M Dumitrascu, Dean M Wingerchuk, Cumara B O'Carroll
BACKGROUND: Acute basilar artery occlusion (BAO) is a devastating, life-threatening condition that accounts for approximately 1% of all strokes. Currently, there is no consensus on the best treatment strategy for patients with BAO. Whereas endovascular reperfusion therapy is proven to improve outcomes in anterior circulation stroke, its benefit in acute BAO has not been confirmed in randomized controlled trials. OBJECTIVE: To critically assess the current evidence regarding recanalization in acute BAO, and to discuss the outcomes of different treatment strategies in the management of acute BAO...
March 2018: Neurologist
https://www.readbyqxmd.com/read/29494440/frequency-of-and-factors-associated-with-obstructive-sleep-apnea-and-periodic-limb-movements-in-stroke-and-tia-patients
#2
Gaurav Gadodia, Srikant Rangaraju, Syed A Raza, Ammar Razzak, Labib Marmarchi, Brittaine Davis, Laura Henriquez, Lynn M Trotti, David Rye, Fadi Nahab
INTRODUCTION: Obstructive sleep apnea (OSA) and periodic limb movements (PLMs) have been associated with an increased risk of cardiovascular disease. There is limited data on the relationship between OSA and PLMs with atrial fibrillation and resistant hypertension in stroke and transient ischemic attack (TIA) patients. METHODS: Consecutive stroke and TIA patients referred by a vascular neurologist for diagnostic polysomnography (PSG) from September 1, 2012 to August 31, 2015 were included in a retrospective analysis...
March 2018: Neurologist
https://www.readbyqxmd.com/read/29494439/magnesium-sulfate-treatment-correlates-with-improved-neurological-function-in-posterior-reversible-encephalopathy-syndrome-pres-report-of-a-case
#3
Aakriti Pandita, David F Lehmann
Posterior reversible encephalopathy syndrome (PRES) is a potentially reversible failure of cerebral autoregulation managed by correction of hypertension or underlying medical condition. Nonresponding cases progress to irreversible brain damage. There is some evidence of association of hypomagnesemia with PRES. We describe a case of nonresolving PRES where use of magnesium sulfate led to improvement in neurological function and eventual recovery. Our case highlights the need for a randomized controlled trial to test the efficacy of magnesium in PRES...
March 2018: Neurologist
https://www.readbyqxmd.com/read/29494438/admission-systolic-blood-pressure-predicts-the-number-of-blood-pressure-medications-at-discharge-in-patients-with-primary-intracerebral-hemorrhage
#4
Ayaz M Khawaja, Harn Shiue, Amelia K Boehme, Karen C Albright, Anand Venkatraman, Gyanendra Kumar, Michael J Lyerly, Angela Hays-Shapshak, Maira Mirza, Toby I Gropen, Mark R Harrigan
BACKGROUND: Control of systolic blood pressure (SBP) after primary intracerebral hemorrhage improves outcomes. Factors determining the number of blood pressure medications (BPM) required for goal SBP<160 mm Hg at discharge are unknown. We hypothesized that higher admission-SBPs require a greater number of BPM for goal discharge-SBP<160 mm Hg, and investigated factors influencing this goal. MATERIALS AND METHODS: We conducted a retrospective review of 288 patients who presented with primary intracerebral hemorrhage...
March 2018: Neurologist
https://www.readbyqxmd.com/read/29494437/autoimmune-encephalitis-with-multiple-autoantibodies-a-diagnostic-and-therapeutic-challenge
#5
Albert E Kim, Peter Kang, Robert C Bucelli, Cole J Ferguson, Robert E Schmidt, Arun S Varadhachary, Gregory S Day
INTRODUCTION: Indications for autoantibody testing in patients with rapid-onset cognitive impairment have expanded in step with the growing number of disease-associated autoantibodies and clinical syndromes. Although increased access to autoantibody testing has broadened our understanding of the spectrum of autoimmune encephalitis (AE), it has also produced new challenges associated with deciphering the contributions of disease-associated autoantibodies in patients with atypical clinical features and/or multiple autoantibodies...
March 2018: Neurologist
https://www.readbyqxmd.com/read/29494436/diagnostic-evaluation-in-primary-cns-lymphoma
#6
Rimas V Lukas, Peter Riedell, Peleg M Horowitz, Peter Pytel, David O Kamson
The diagnosis of primary central nervous system lymphoma (PCNSL) may be fraught with difficulty. After initial imaging reveals enhancing intracranial mass lesions steroids are often initiated. This leads to a decreased diagnostic yield of tumor biopsies which may be associated with delay in treatment initiation. We review a case of PCNSL treated with a very brief steroid course. Initial nondiagnostic biopsy histopathology is juxtaposed against subsequent diagnostic pathology. Imaging before and after steroids is presented, as is imaging after tumor regrowth in a noncontiguous location...
March 2018: Neurologist
https://www.readbyqxmd.com/read/29494435/valproate-induced-hyperammonemic-encephalopathy-presenting-as-catatonia
#7
Rodrigo Pérez-Esparza, Nelcy Oñate-Cadena, Jesús Ramírez-Bermúdez, Mariana Espínola-Nadurille
Hyperammonemic encephalopathy secondary to the use of valproate is rare without evidence of hepatotoxicity, and it usually presents with confusion, agitation, irritability, cognitive disturbances, lethargy, coma, and death. We present the case of a 21-year-old woman presenting with catatonia as a manifestation of hyperammonemic encephalopathy that resolved with the normalization of ammonia and suspension of valproate.
March 2018: Neurologist
https://www.readbyqxmd.com/read/29494434/association-between-the-apolipoprotein-e-gene-polymorphism-and-atherosclerotic-middle-cerebral-artery-stenosis
#8
Zhengsheng Zhang, Xiang-Yan Chen, Larry Baum, Ho Keung Ng, Vincent Mok, Ka Sing Wong
OBJECTIVES: Stenosis of the intracranial large arteries, especially the middle cerebral artery (MCA), is common in the Chinese population. We conducted a case-control study to investigate clinical and apolipoprotein E (ApoE) gene polymorphism of MCA atherosclerosis in the Chinese population. MATERIALS AND METHODS: Polymerase chain reaction-based protocols were used to identify the genotypes of polymorphisms in ApoE genes. Clinical parameters and the genotypes of polymorphisms in the ApoE genes were compared in patients with and without MCA stenosis...
March 2018: Neurologist
https://www.readbyqxmd.com/read/29494433/continuous-intravenous-valproate-as-abortive-therapy-for-pediatric-status-migrainosus
#9
Muhammad S Zafar, Alejandra M Stewart, David N Toupin, Aaron M Cook, Robert J Baumann
OBJECTIVE: This study describes the use of continuous intravenous valproate as an abortive therapy for pediatric status migrainosus. BACKGROUND: Intravenous valproate as a bolus dose has been shown to be an effective abortive therapy for status migrainosus in children; however, Valproate's pharmacokinetic profile suggests that it would be safer and more therapeutic as a continuous infusion. This dosing strategy results in less serum concentration fluctuations, more consistent therapeutic effects, and less adverse effects...
March 2018: Neurologist
https://www.readbyqxmd.com/read/29494432/preventive-antibiotics-for-poststroke-infection-in-patients-with-acute-stroke-a-systematic-review-and-meta-analysis
#10
Xiaonian Han, Jing Huang, Xiaotao Jia, Lirong Peng, Kangkang Yan, Xin Zan, Li Ma
AIMS: To determine if preventive antibiotics is effective in poststroke infection in patients with acute stroke in comparison with no prophylaxis. MATERIALS AND METHODS: MEDLINE (1950 to January 2017), the Cochrane Central Register of Controlled Trials (CENTRAL, The Cochrane Library, Issue 1, 2017) and EMBASE (1974 to January 2017) databases were used to search for randomized controlled trials with intervening measures related to the preventive antibiotics in patients with acute stroke...
March 2018: Neurologist
https://www.readbyqxmd.com/read/29266043/what-is-clinical-efficacy-of-transesophageal-echocardiography-in-patients-with-cryptogenic-stroke-a-critically-appraised-topic
#11
Michael E Christiansen, Ryan C Van Woerkom, Bart M Demaerschalk, Dean M Wingerchuk, Cumara B O'Carroll
BACKGROUND: Adults with cryptogenic stroke often undergo transesophageal echocardiogram (TEE) because this is the gold-standard for evaluation of potential proximal sources of emboli. The risks of performing this invasive test must be weighed against its clinical efficacy and limitations, determined by the rate of positive findings, and the impact on clinical outcome for the patient. OBJECTIVE: To critically appraise current evidence regarding the rate of positive TEE findings in cryptogenic stroke patients, and analyze the implications of these findings on management decisions and outcomes...
January 2018: Neurologist
https://www.readbyqxmd.com/read/29266042/neuroprotective-effects-of-minocycline-expanding-its-use-in-clinical-medicine
#12
Shailendra Kapoor
No abstract text is available yet for this article.
January 2018: Neurologist
https://www.readbyqxmd.com/read/29266041/acute-brachial-radiculoplexopathy-and-giant-cell-arteritis
#13
Fanny Duval, Idoia Lacoste, Gaël Galli, Hugo Chaumont, Guilhem Solé, François Léger, Nathalie Damon-Perrière, Marie Rouanet, Gwendal Le Masson, Stéphane Mathis
INTRODUCTION: Giant cell arteritis (GCA), a vasculitis involving large-sized and medium-sized vessels (which most commonly involves temporal arteries), is easily recognized in older patients presenting with headache, scalp tenderness, and raised inflammatory markers. Neurological complications (either central or peripheral) are classically described in GCA. CASE REPORT: We report the case of an 85-year-old woman with bilateral acute brachial radiculoplexopathy, a rare neurological complication of GCA...
January 2018: Neurologist
https://www.readbyqxmd.com/read/29266040/remote-intracerebral-hemorrhage-following-intravenous-thrombolysis-in-pregnancy-at-31-weeks-gestation-a-case-report-and-review-of-the-literature
#14
Zheng Jiang, Zhiping Hu
INTRODUCTION: Intravenous recombinant tissue-type plasminogen activator thrombolysis in pregnancy for acute ischemic stroke is infrequent. As a rare complication of thrombolysis, remote intracerebral hemorrhage (rICH) whose mechanisms are unclear has not gained enough attention until now. CASE REPORT: We present here a case of 26-year-old pregnant woman at 31 weeks gestation who suffered from sudden onset right-sided hemiparesis and slurred speech. She successfully received intravenous recombinant tissue-type plasminogen activator thrombolysis within 2...
January 2018: Neurologist
https://www.readbyqxmd.com/read/29266039/acetazolamide-responsive-episodic-ataxia-without-baseline-deficits-or-seizures-secondary-to-glut1-deficiency-a-case-report-and-review-of-the-literature
#15
Dmitry Tchapyjnikov, Mohamad A Mikati
INTRODUCTION: Glucose transporter type 1 deficiency syndrome (GLUT1 DS) is caused by impaired glucose transport across the blood-brain barrier and commonly presents as severe early onset epilepsy, developmental delay, and movement abnormalities. In rare instances, GLUT1 DS can present as a paroxysmal movement disorder without the other classic symptoms. Episodic ataxia (EA) secondary to GLUT1 DS has been previously reported, but all previous patients had seizures and/or baseline abnormalities on neurological examination...
January 2018: Neurologist
https://www.readbyqxmd.com/read/29266038/factors-predictive-of-severe-multiple-sclerosis-disease-reactivation-after-fingolimod-cessation
#16
Ugur Uygunoglu, Melih Tutuncu, Ayse Altintas, Sabahattin Saip, Aksel Siva
BACKGROUND: Fingolimod withdrawal may trigger the return of pretreatment disease activity. It is difficult to identify patients at risk of disease reactivation. We compared the demographic and clinical features of patients experiencing severe disease reactivation (SDR) after fingolimod cessation with those of patients who did not. METHODS: All patients who commenced fingolimod and who continued therapy for at least 6 months were included. The demographic and clinical features of the 2 groups (SDR vs...
January 2018: Neurologist
https://www.readbyqxmd.com/read/29266037/the-efficacy-of-therapeutic-plasma-exchange-in-antiphospholipid-antibody-positive-patients-with-spontaneous-intracerebral-hemorrhage-and-high-d-dimer-levels
#17
Chiao-Zhu Li, Feng-Cheng Liu, Chiao-Ching Li, Meng-Chi Lin, Chih-Chuan Hsieh, Bon-Jour Lin, Nan-Fu Chen, Chun-Lin Chen, Tzu-Tsao Chung, Chi-Tun Tang, Dueng-Yuan Hueng, Da-Tong Ju, Hsin-I Ma, Ming-Ying Liu, Ching Hsiang Lu, Yuan-Hao Chen
OBJECTIVE: We investigated the efficacy of plasma exchange (PE) in antiphospholipid antibody (aPL)-positive patients with a spontaneous intracerebral hemorrhage (ICH) and high D-dimer levels. MATERIALS AND METHODS: From May 2013 to May 2016, we evaluated 32 patients who were below the age of 50 and presented with spontaneous ICH. Five patients were positive for aPL antibody and 3 had a higher level of D-dimer. These 3 patients underwent 5 sessions of PE using fresh frozen plasma as replacement fluid...
January 2018: Neurologist
https://www.readbyqxmd.com/read/29266036/facial-myokymia-and-hemifacial-spasm-in-multiple-sclerosis-a-descriptive-study-on-clinical-features-and-treatment-outcomes
#18
Iris V Marin Collazo, W O Tobin
OBJECTIVE: Facial Myokymia and hemifacial spasm have been associated with multiple sclerosis; however, their etiology and clinical outcome is uncertain. Here, we describe the clinical, radiologic features, and treatment outcomes of a cohort of patients with multiple sclerosis and history of facial myokymia or hemifacial spasm. METHODOLOGY: We reviewed the clinical features, radiologic features, and treatment outcomes of 35 patients with a diagnosis of multiple sclerosis and facial myokymia (28) or hemifacial spasm (7) seen at Mayo Clinic (Rochester, MN)...
January 2018: Neurologist
https://www.readbyqxmd.com/read/29095329/novel-gfap-variant-in-adult-onset-alexander-disease-with-progressive-ataxia-and-palatal-tremor
#19
Jennifer M Gass, Anvir Cheema, Jessica Jackson, Patrick R Blackburn, Jay Van Gerpen, Paldeep S Atwal
INTRODUCTION: Alexander disease is a rare neurodegenerative disease caused by variants in the glial fibrillary acidic protein gene (GFAP). This disorder can develop as an infantile, juvenile or adult-onset form and is characterized by several clinical features, including macrocephaly, seizures, ataxia, and bulbar/pseudobulbar signs. While the majority of these patients have the more progressive infantile form which causes severe leukodystrophy and early death; the less common adult form is more variable (ie, onset age, symptoms), with bulbar dysfunction as the primary feature...
November 2017: Neurologist
https://www.readbyqxmd.com/read/29095328/c9orf72-intermediate-repeat-expansion-in-a-patient-with-psychiatric-disorders-and-progressive-cerebellar-ataxia
#20
Mario Meloni, Rita Farris, Paolo Solla, Marcello M Mascia, Francesco Marrosu, Antonino Cannas
INTRODUCTION: Large expansions of the noncoding GGGGCC repeat (more than 30) in the first intron of the C9ORF72 gene have been demonstrated to cause amyotrophic lateral sclerosis and frontotemporal dementia. Recent papers have investigated the possible pathogenic role and associated clinical phenotypes of hexanucleotide expansions with intermediate repeat lengths ranging between 20 and 29 repeats. CASE REPORT: We report a case of a 71-year-old Sardinian female patient with a long history of psychiatric disorders such as mixed anxiety-depressive disorder associated with somatization disorder and histrionic personality who developed a slowly progressive cerebellar syndrome, mild cognitive impairment, pyramidal signs, and rapid eye movement sleep behavior disorder with imaging abnormalities on the DaTSCAN single-photon emission computed tomography indicating an alteration in the presynaptic dopaminergic system...
November 2017: Neurologist
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