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Current Neurology and Neuroscience Reports

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https://www.readbyqxmd.com/read/27878525/genetics-of-frontotemporal-dementia
#1
REVIEW
Diana A Olszewska, Roisin Lonergan, Emer M Fallon, Tim Lynch
Frontotemporal dementia (FTD) is the second most common cause of dementia following Alzheimer's disease (AD). Between 20 and 50% of cases are familial. Mutations in MAPT, GRN and C9orf72 are found in 60% of familial FTD cases. C9orf72 mutations are the most common and account for 25%. Rarer mutations (<5%) occur in other genes such as VPC, CHMP2B, TARDP, FUS, ITM2B, TBK1 and TBP. The diagnosis is often challenging due to symptom overlap with AD and other conditions. We review the genetics, clinical presentations, neuroimaging, neuropathology, animal studies and therapeutic trials in FTD...
December 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27848174/mental-health-comorbidity-in-ms-depression-anxiety-and-bipolar-disorder
#2
REVIEW
Aaron P Turner, Kevin N Alschuler, Abbey J Hughes, Meghan Beier, Jodie K Haselkorn, Alicia P Sloan, Dawn M Ehde
Among individuals with multiple sclerosis (MS), mental health comorbidities play a significant role in contributing to secondary disability and detracting from quality of life. This review examines current evidence surrounding three mental health issues of particular relevance to MS: depression, anxiety, and bipolar disorder. We review what is known of the prevalence, correlates, screening mechanisms, and current treatment of each issue and provide recommendations for future areas of research.
December 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27844341/does-the-type-of-multisystem-atrophy-parkinsonism-or-cerebellar-ataxia-impact-on-the-nature-of-sleep-disorders
#3
REVIEW
Luigi Ferini-Strambi, Sara Marelli, Romina Combi
Multiple system atrophy (MSA) is a neurodegenerative disease characterized by a combination of autonomic failure, parkinsonism, and/or cerebellar ataxia. The cause of MSA is unknown, but neuropathologically the disease is characterized by widespread α-synuclein-positive glial cytoplasmic inclusions and striatonigral and/or olivopontocerebellar neurodegeneration. Two motor phenotypes have been clinically identified: parkinsonian (MSA-P) and cerebellar (MSA-C). In order to elucidate if in addition to the motor abnormalities there are other significant differences between these two phenotypes, we performed a review of the studies on sleep disorders in the two MSA subtypes...
December 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27815693/bacterial-endocarditis-and-cerebrovascular-disease
#4
REVIEW
Brian Silver, Réza Behrouz, Scott Silliman
Cerebrovascular complications of endocarditis occur in 25-70% of patients with infective endocarditis. The cornerstone of treatment is early initiation of antibiotic treatment, which significantly reduces the risk of embolization after 1 week of treatment. In general, thrombolysis and anticoagulation of these patients should be avoided, while antiplatelet therapy may be considered in those with other indications. Endovascular treatment of acute septic emboli is uncertain, but a few case reports have demonstrated benefit...
December 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27815692/neurogenetics-in-child-neurology-redefining-a-discipline-in-the-twenty-first-century
#5
REVIEW
Walter E Kaufmann
Increasing knowledge on genetic etiology of pediatric neurologic disorders is affecting the practice of the specialty. I reviewed here the history of pediatric neurologic disorder classification and the role of genetics in the process. I also discussed the concept of clinical neurogenetics, with its role in clinical practice, education, and research. Finally, I propose a flexible model for clinical neurogenetics in child neurology in the twenty-first century. In combination with disorder-specific clinical programs, clinical neurogenetics can become a home for complex clinical issues, repository of genetic diagnostic advances, educational resource, and research engine in child neurology...
December 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27815691/mtor-inhibitors-in-children-current-indications-and-future-directions-in-neurology
#6
REVIEW
Anna Jeong, Michael Wong
The mammalian/mechanistic target of rapamycin (mTOR) pathway is a key signaling pathway that has been implicated in genetic epilepsy syndromes, neurodegenerative diseases, and conditions associated with autism spectrum disorder and cognitive impairment. The mTOR pathway has become an exciting treatment target for these various disorders, with mTOR inhibitors such as rapamycin being studied for their potential therapeutic applications. In particular, tuberous sclerosis complex (TSC) is a genetic disorder resulting from overactivation of the mTOR pathway, and pharmacologic therapy with mTOR inhibitors has emerged as a viable treatment option for the systemic manifestations of the disease...
December 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27714637/headaches-a-review-of-the-role-of-dietary-factors
#7
Zoya Zaeem, Lily Zhou, Esma Dilli
Dietary triggers are commonly reported by patients with a variety of headaches, particularly those with migraines. The presence of any specific dietary trigger in migraine patients varies from 10 to 64 % depending on study population and methodology. Some foods trigger headache within an hour while others develop within 12 h post ingestion. Alcohol (especially red wine and beer), chocolate, caffeine, dairy products such as aged cheese, food preservatives with nitrates and nitrites, monosodium glutamate (MSG), and artificial sweeteners such as aspartame have all been studied as migraine triggers in the past...
November 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27709555/post-concussive-syndrome-a-focus-on-post-traumatic-headache-and-related-cognitive-psychiatric-and-sleep-issues
#8
Mia T Minen, Alexandra Boubour, Harjasleen Walia, William Barr
PURPOSE OF REVIEW: Post-traumatic headache (PTH) is a secondary headache disorder following traumatic brain injury. We sought to examine the recent literature on PTH and associated cognitive, psychiatric, and sleep conditions to understand the latest findings about the associated conditions and available screening tools, and to understand the available treatment options for PTH. RECENT FINDINGS: Up to one third of PTH patients may have depression and about one quarter may have insomnia...
November 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27671700/communication-leadership-and-decision-making-in-the-neuro-icu
#9
Stephen Trevick, Minjee Kim, Andrew Naidech
The Neuro-ICU is a multidisciplinary location that presents peculiar challenges and opportunities for patients with life-threatening neurological disease. Communication skills are essential in supporting caregivers and other embedded providers (e.g., neurosurgeons, advanced practice providers, nurses, pharmacists), through leadership. Limitations to prognostication complicate how decisions are made on behalf of non-communicative patients. Cognitive dysfunction and durable reductions in health-related quality of life are difficult to predict, and the diagnosis of brain death may be challenging and confounded by medications and comorbidities...
November 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27662896/hypothalamic-dysfunction-and-multiple-sclerosis-implications-for-fatigue-and-weight-dysregulation
#10
Kevin G Burfeind, Vijayshree Yadav, Daniel L Marks
Signs and symptoms of multiple sclerosis are usually attributed to demyelinating lesions in the spinal cord or cerebral cortex. The hypothalamus is a region that is often overlooked yet controls many important homeostatic functions, including those that are perturbed in multiple sclerosis. In this review we discuss how hypothalamic dysfunction may contribute to signs and symptoms in people with multiple sclerosis. While dysfunction of the hypothalamic-pituitary-adrenal axis is common in multiple sclerosis, the effects and mechanisms of this dysfunction are not well understood...
November 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27662895/toward-a-mechanistic-understanding-of-epileptic-networks
#11
Elliot H Smith, Catherine A Schevon
Focal epileptic seizures have long been considered to arise from a small susceptible brain area and spread through uninvolved regions. In the past decade, the idea that focal seizures instead arise from coordinated activity across large-scale epileptic networks has become widely accepted. Understanding the network model's applicability is critical, due to its increasing influence on clinical research and surgical treatment paradigms. In this review, we examine the origins of the concept of epileptic networks as the nidus for recurring seizures...
November 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27628963/treatment-of-epilepsy-in-the-elderly
#12
REVIEW
Paul V Motika, David C Spencer
The treatment of epilepsy in older individuals is an increasingly important topic in neurology and an area that all treating neurologists should have familiarity with. As the population ages, the number of patients over 65 who present with new-onset epilepsy will increase, as will the complexity of their comorbid medical and neurological disorders. In older patients, seizures are often unwitnessed, or present with atypical symptoms, making the diagnosis more challenging. Additionally, there are relatively limited data to guide the use of anti-epileptic medications and other treatments in this patient population...
November 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27628962/prevention-of-epilepsy-issues-and-innovations
#13
REVIEW
Dieter Schmidt, Matti Sillanpää
Epilepsy is a common brain disease and preventing epilepsy is a very relevant public health concern and an urgent unmet need. Although 40 % of all epilepsy cases are thought to have acquired causes, there is a roadblock for successful prevention. Efforts to protect the brain from epileptogenic insults are severely hampered by our lack of biomarkers to identify the few percent at high risk meriting treatment among those exposed. Preventing brain injury has been moderately effective from around birth to middle age; however, the strategy has failed to stop a substantial increase over the last decades in symptomatic epilepsy in those aged 65 and above...
November 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27628759/transcriptional-dynamics-at-brain-enhancers-from-functional-specialization-to-neurodegeneration
#14
REVIEW
Marit W Vermunt, Menno P Creyghton
Over the last decade, the noncoding part of the genome has been shown to harbour thousands of cis-regulatory elements, such as enhancers, that activate well-defined gene expression programs. Driven by the development of numerous techniques, many of these elements are now identified in multiple tissues and cell types, and their characteristics as well as importance in development and disease are becoming increasingly clear. Here, we provide an overview of the insights that were gained from the analysis of noncoding gene regulatory elements in the brain and describe their potential contribution to cell type specialization, brain function and neurodegenerative disease...
October 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27604271/post-craniotomy-pain-management-beyond-opioids
#15
REVIEW
Lauren K Dunn, Bhiken I Naik, Edward C Nemergut, Marcel E Durieux
Craniotomy pain may be severe and is often undertreated. Pain management following craniotomy is a balancing act of achieving adequate analgesia but avoiding sedation, respiratory depression, hypercapnia, nausea and vomiting, and hypertension. Opioids are a first-line analgesic therapy; however, concern that opioid-related adverse effects (sedation, respiratory depression) may interfere with neurologic assessment and increase intracranial pressure has limited use of these drugs for intracranial surgery. Non-opioid analgesics avoid these effects and may be useful as part of a multimodal regimen for post-craniotomy pain...
October 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27595805/recent-advances-in-neonatal-seizures
#16
REVIEW
Tristan T Sands, Tiffani L McDonough
PURPOSE OF REVIEW: This article strives to review and summarize selected recent literature and topics contributing to a greater understanding of the diagnosis and treatments of neonatal seizures that have emerged in the past several years. RECENT FINDINGS: Continuous EEG is recommended as the gold standard for neonatal seizure monitoring as it can provide additional information that may stratify patients by etiology, as well as identify at-risk groups of newborns for neuromonitoring...
October 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27568202/connectivity-changes-in-parkinson-s-disease
#17
REVIEW
Antonio Cerasa, Fabiana Novellino, Aldo Quattrone
Parkinson's disease (PD) is a chronic and progressive movement disorder of the central nervous system characterized by widespread alterations in several non-motor aspects such as mood, sleep, olfactory, and cognition in addition to motor dysfunctions. Advanced neuroimaging using functional connectivity reconstruction of the human brain has provided a vast knowledge on the pathophysiological mechanisms underlying this disorder, but this, however, does not cover the overall inter-/intra-individual variability of PD phenotypes...
October 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27549391/diagnostic-criteria-classification-and-treatment-goals-in-multiple-sclerosis-the-chronicles-of-time-and-space
#18
REVIEW
Achilles Ntranos, Fred Lublin
Multiple sclerosis (MS) is one of the most diverse human diseases. Since its first description by Charcot in the nineteenth century, the diagnostic criteria, clinical course classification, and treatment goals for MS have been constantly revised and updated to improve diagnostic accuracy, physician communication, and clinical trial design. These changes have improved the clinical outcomes and quality of life for patients with the disease. Recent technological and research breakthroughs will almost certainly further change how we diagnose, classify, and treat MS in the future...
October 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27542799/visual-cortex-plasticity-following-peripheral-damage-to-the-visual-system-fmri-evidence
#19
REVIEW
João Lemos, Daniela Pereira, Miguel Castelo-Branco
Over the last two decades, functional magnetic resonance imaging (fMRI) has become a powerful research method to investigate cortical visual plasticity. Abnormal fMRI response patterns have been occasionally detected in the visually deprived cortex of patients with bilateral retinal diseases. Controversy remains whether these observations indicate structural reorganization of the visual cortex or unmasking of previously silent cortico-cortical connections. In optic nerve diseases, there is weak evidence showing that early visual cortex seems to lack reorganization, while higher-order visual areas undergo plastic changes which may contribute to optimise visual function...
October 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/27541750/the-impact-of-dementia-on-family-caregivers-what-is-research-teaching-us
#20
REVIEW
Jennifer Merrilees
Dementia family caregiving has been the focus of research for decades. Much has been learned about the negative impact of caregiving as well as characteristics that may be protective. This paper explores themes in caregiving pertinent to clinicians and researchers working with dementia family caregivers: the psychological, subjective, and physical outcomes of caregiving, ways in which dementia alters relationships between the patient and caregiver, and strategies for improving outcomes for caregivers. Suggestions for next steps in research and clinical care are made...
October 2016: Current Neurology and Neuroscience Reports
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