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https://www.readbyqxmd.com/read/27913538/sickle-cell-disease-when-and-how-to-transfuse
#1
Jo Howard
Blood transfusion remains an important therapeutic intervention in patients with sickle cell disease (SCD), aiming to both increase the oxygen carrying capacity of blood and to reduce the complications of vaso-occlusion. Simple, manual exchange and automated exchange can be effective in reducing the acute and chronic complications of SCD, and the advantages and disadvantages of each methodology mean they all have a role in different situations. Evidence for the role of emergency transfusion in the management of the acute complications of SCD, including acute pain and acute chest syndrome, comes from observational data...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27912991/malignant-spinal-cord-compression-adapting-conventional-rehabilitation-approaches
#2
REVIEW
Lisa Marie Ruppert
Spinal tumors are classically grouped into 3 categories: extradural, intradural extramedullary, and intradural intramedullary. Spinal tumors may cause spinal cord compression and vascular compromise resulting in pain or neurologic compromise. They may also alter the architecture of the spinal column, resulting in spinal instability. Oncologic management of spinal tumors varies according to the stability of the spine, neurologic status, and presence of pain. Treatment options include surgical intervention, radiation therapy, chemotherapy, and hormonal manipulation...
February 2017: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/27912744/quality-of-life-after-stroke-in-pakistan
#3
Wardah Khalid, Shafquat Rozi, Tazeen Saeed Ali, Iqbal Azam, Michael T Mullen, Saleem Illyas, Qamar Un-Nisa, Nabila Soomro, Ayeesha Kamran Kamal
BACKGROUND: There is very little information about the quality of life (QOL) of stroke survivors in LMIC countries with underdeveloped non communicable health infrastructures, who bear two thirds of the global stroke burden. METHODOLOGY: We used a sequential mix methods approach. First, a quantitative analytical cross-sectional study was conducted on 700 participants, who constituted 350 stroke survivor and their caregiver dyads. QOL of stroke survivor was assessed via Stroke Specific Quality of Life Scale (SSQOLS) whereas QOL of caregivers was assessed through RAND-36...
December 3, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27911291/a-metal-free-method-for-producing-mri-contrast-at-amyloid-%C3%AE
#4
Silvia Hilt, Tang Tang, Jeffrey H Walton, Madhu Budamagunta, Izumi Maezawa, Tamás Kálai, Kálmán Hideg, Vikrant Singh, Heike Wulff, Qizhi Gong, Lee-Way Jin, Angelique Louie, John C Voss
Alzheimer's disease (AD) is characterized by depositions of the amyloid-β (Aβ) peptide in the brain. The disease process develops over decades, with substantial neurological loss occurring before a clinical diagnosis of dementia can be rendered. It is therefore imperative to develop methods that permit early detection and monitoring of disease progression. In addition, the multifactorial pathogenesis of AD has identified several potential avenues for AD intervention. Thus, evaluation of therapeutic candidates over lengthy trial periods also demands a practical, noninvasive method for measuring Aβ in the brain...
November 26, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27910893/interference-with-protease-activated-receptor-1-alleviates-neuronal-cell-death-induced-by-lipopolysaccharide-stimulated-microglial-cells-through-the-pi3k-akt-pathway
#5
Yuxin Li, Wuyang Yang, Alfredo Quinones-Hinojosa, Baocheng Wang, Shujun Xu, Weijie Zhu, Feng Yu, Shaoji Yuan, Peigang Lu
Excessive microglial cells activation in response to inflammatory stimuli leads to synaptic loss, dysfunction, and neuronal cell death. Activated microglia are involved in the pathogenesis of neurological conditions and frequently contribute to several complications. Accumulating evidence suggests that signaling through PAR-1 is involved in inflammation, however, its function has yet to be fully elucidated. Here, we have demonstrated that the suppression of PAR-1 leads to down-regulation of inflammatory factors including IL-1β, IL-6, TNF-α, NO, as well as the prevention of activation of NF-κB in BV2 cells...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27909399/a-subset-of-autism-associated-genes-regulate-the-structural-stability-of-neurons
#6
REVIEW
Yu-Chih Lin, Jeannine A Frei, Michaela B C Kilander, Wenjuan Shen, Gene J Blatt
Autism spectrum disorder (ASD) comprises a range of neurological conditions that affect individuals' ability to communicate and interact with others. People with ASD often exhibit marked qualitative difficulties in social interaction, communication, and behavior. Alterations in neurite arborization and dendritic spine morphology, including size, shape, and number, are hallmarks of almost all neurological conditions, including ASD. As experimental evidence emerges in recent years, it becomes clear that although there is broad heterogeneity of identified autism risk genes, many of them converge into similar cellular pathways, including those regulating neurite outgrowth, synapse formation and spine stability, and synaptic plasticity...
2016: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/27908676/effect-of-selective-dorsal-rhizotomy-on-daily-care-and-comfort-in-non-walking-children-and-adolescents-with-severe-spasticity
#7
A I Buizer, P E M van Schie, E A M Bolster, W J van Ouwerkerk, R L Strijers, L A van de Pol, A Stadhouder, J G Becher, R J Vermeulen
BACKGROUND: In non-walking children with severe spasticity, daily care can be difficult and many patients suffer from pain. Selective dorsal rhizotomy (SDR) reduces spasticity in the legs, and therefore has the potential to improve daily care and comfort. AIM: To examine effects of SDR on daily care and comfort in non-walking children with severe spasticity due to different underlying neurological conditions. METHODS: Medical history, changes in daily care and comfort and satisfaction with outcome were assessed retrospectively in non-walking children who underwent SDR in our center, with a mean follow-up of 1y 7m (range 11m-4y 3m)...
October 22, 2016: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/27907958/critical-care-management-after-cardiac-arrest
#8
Hans Friberg, Tobias Cronberg
Sudden cardiac arrest is a devastating event with high mortality and substantial morbidity among survivors. Early recognition and intervention to restore circulation is the primary goal; once that is achieved, the path toward a meaningful recovery starts. Initial in-hospital care is focused on emergency cardiac care, but soon there is a change to a more brain-oriented critical care including targeted temperature management, brain monitoring, sedation, and repeated neurologic assessments. In patients who show early signs of awakening from coma once sedation has been stopped, the prognosis is generally good...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27907956/intensive-care-management-of-the-endovascular-stroke-patient
#9
Julian Bösel
Acute ischemic stroke caused by the occlusion of large brain vessels can be treated effectively by mechanical thrombectomy, as proved by recent strong and consistent evidence from high-quality randomized trials. This new era of endovascular stroke treatment, however, poses particular challenges that go far beyond the so far gold standard of intravenous thrombolysis alone. Because these stroke patients usually present with severe neurologic deficits, may be unstable from cardiac or pulmonary instability, have to endure an invasive intervention of sometimes long duration, may suffer complications and require close postinterventional follow-up, they often demand intensive care measures...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27906934/can-unilateral-kyphoplasty-replace-bilateral-kyphoplasty-in-treatment-of-osteoporotic-vertebral-compression-fractures-a-systematic-review-and-meta-analysis
#10
Han Sun, Pei-Pei Lu, Yi-Jie Liu, Xu Yang, Ping-Hui Zhou, Xiao-Feng Shen, Si-Wei Sun, Huilin Yang
BACKGROUND: Kyphoplasty has been proven to be an efficient method to relieve patient suffering from osteoporotic vertebral compression fractures (OVCFs). Because of its technological superiority, unilateral kyphoplasty consumes less operative time and bone cement than traditional bilateral kyphoplasty. However, there is controversy about which method is most efficient in the treatment of OVCFs. Thus, an overall analysis should be performed to shed light on the facts corroborating both procedures...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27905440/organization-and-functions-of-mglu-and-gabab-receptor-complexes
#11
Jean-Philippe Pin, Bernhard Bettler
The neurotransmitters glutamate and γ-aminobutyric acid (GABA) transmit synaptic signals by activating fast-acting ligand-gated ion channels and more slowly acting G-protein-coupled receptors (GPCRs). The GPCRs for these neurotransmitters, metabotropic glutamate (mGlu) and GABAB receptors, are atypical GPCRs with a large extracellular domain and a mandatory dimeric structure. Recent studies have revealed how these receptors are activated through multiple allosteric interactions between subunit domains. It emerges that the molecular complexity of these receptors is further increased through association with trafficking, effector and regulatory proteins...
December 1, 2016: Nature
https://www.readbyqxmd.com/read/27900416/-intensive-care-treatment-after-aneurysmal-subarachnoid-hemorrhage
#12
U Jaschinski
Aneurysmal subarachnoid hemorrhage (SAH) is a devastating disease and nearly one third of patients die in the acute phase. Due to the bleeding event, a hyperactive sympathetic nervous system and an uncontrolled inflammatory response have a profound local and systemic impact on other organ functions. Neuroendocrinological disorders and cardiopulmonary morbidity are dominant. Despite a decrease in hospital mortality for high volume centers, a high proportion of survivors suffer from neurological deficits. Knowledge of the pathophysiology of vasospasms in the later stages of the disease has increased...
November 29, 2016: Der Anaesthesist
https://www.readbyqxmd.com/read/27899087/paradoxical-physiological-responses-to-propranolol-in-a-rett-syndrome-patient-a-case-report
#13
P J Santosh, L Bell, K Lievesley, J Singh, F Fiori
BACKGROUND: Rett Syndrome (RTT), caused by a loss-of-function in the epigenetic modulator: X-linked methyl-CpG binding protein 2 (MeCP2), is a pervasive neurological disorder characterized by compromised brain functions, anxiety, severe mental retardation, language and learning disabilities, repetitive stereotyped hand movements and developmental regression. An imbalance in the sympathetic and the parasympathetic nervous system (dysautonomia) and the resulting autonomic storms is a frequent occurrence in patients with RTT...
November 29, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27896904/contrast-induced-encephalopathy-following-cardiac-catheterization
#14
Roberto Spina, Neil Simon, Romesh Markus, David Wm Muller, Krishna Kathir
OBJECTIVES: To describe the epidemiology, pathophysiology, clinical presentation, and management of contrast-induced encephalopathy (CIE) following cardiac catheterization. BACKGROUND: CIE is an acute, reversible neurological disturbance directly attributable to the intra-arterial administration of iodinated contrast medium. METHODS: The PubMed database was searched and all cases in the literature were retrieved and reviewed. RESULTS: 52 reports of CIE following cardiac catheterization were found...
November 29, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27893164/diagnostic-and-prognostic-value-of-human-prion-detection-in-cerebrospinal-fluid
#15
Aaron Foutz, Brian S Appleby, Clive Hamlin, Xiaoqin Liu, Sheng Yang, Yvonne Cohen, Wei Chen, Janis Blevins, Cameron Fausett, Han Wang, Pierluigi Gambetti, Shulin Zhang, Andrew Hughson, Curtis Tatsuoka, Lawrence B Schonberger, Mark L Cohen, Byron Caughey, Jiri G Safar
Objective-Several prion amplification systems have been proposed for detection of prions in cerebrospinal fluid (CSF), most recently, the measurements of prion seeding activity with second-generation real-time quaking-induced conversion (RT-QuIC). The objective of this study was to investigate the diagnostic performance of the RT-QuIC prion test in the broad phenotypic spectrum of prion diseases. Methods- We performed CSF RT-QuIC testing in 2,141 patients who had rapidly progressive neurological disorders, determined diagnostic sensitivity and specificity in 272 cases which were autopsied, and evaluated the impact of mutations and polymorphisms in the PRNP gene, and Type 1 or Type 2 of human prions on diagnostic performance...
November 28, 2016: Annals of Neurology
https://www.readbyqxmd.com/read/27891100/a-review-about-functional-illiteracy-definition-cognitive-linguistic-and-numerical-aspects
#16
REVIEW
Réka Vágvölgyi, Andra Coldea, Thomas Dresler, Josef Schrader, Hans-Christoph Nuerk
Formally, availability of education for children has increased around the world over the last decades. However, despite having a successful formal education career, adults can become functional illiterates. Functional illiteracy means that a person cannot use reading, writing, and calculation skills for his/her own and the community's development. Functional illiteracy has considerable negative effects not only on personal development, but also in economic and social terms. Although functional illiteracy has been highly publicized in mass media in the recent years, there is limited scientific knowledge about the people termed functional illiterates; definition, assessment, and differential diagnoses with respect to related numerical and linguistic impairments are rarely studied and controversial...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27889886/association-of-midlife-smoking-status-with-change-in-processing-speed-and-mental-flexibility-among-hiv-seropositive-and-hiv-seronegative-older-men-the-multicenter-aids-cohort-study
#17
Wajiha Z Akhtar-Khaleel, Robert L Cook, Steve Shoptaw, Eric N Miller, Ned Sacktor, Pamela J Surkan, Jim Becker, Linda A Teplin, Rebecca J Beyth, Catherine Price, Michael Plankey
Smoking is a potential risk factor for age-related cognitive decline. To date, no study has examined the association between smoking and cognitive decline in men living with human immunodeficiency virus (HIV). The aim of this present study is to examine whether smoking status and severity in midlife is associated with a rate of decline in cognitive processing speed among older HIV-seropositive and HIV-seronegative men who have sex with men. Data from 591 older HIV-seropositive and HIV-seronegative men who have sex with men from the Multicenter AIDS Cohort Study were examined...
November 26, 2016: Journal of Neurovirology
https://www.readbyqxmd.com/read/27888989/burden-and-risk-factors-of-ambulatory-or-hospitalized-cap-a%C3%A2-population-based-cohort-study
#18
Martin Kolditz, Falko Tesch, Luise Mocke, Gert Höffken, Santiago Ewig, Jochen Schmitt
BACKGROUND: Data on incidence, risk factors and outcome of community-acquired pneumonia (CAP) including outpatients is sparse. METHODS: We conducted a cohort study on 1.837.080 adults insured by a German statutory health insurance in 2010-2011. CAP was identified via ICD-10-GM codes, ambulatory cases were validated by antibiotic prescription within 7 days. Primary outcomes were incidence, hospitalisation and 30-day all-cause mortality. Evaluated risk factors included age, sex and comorbidities...
December 2016: Respiratory Medicine
https://www.readbyqxmd.com/read/27887934/currarino-syndrome-in-a-fetus-infant-child-and-adolescent-spectrum%C3%A2-of-clinical-presentations-and-imaging-findings
#19
REVIEW
Pablo Caro-Domínguez, Juan Bass, Julie Hurteau-Miller
In 1981, Currarino et al described a triad of findings that consist of partial sacral dysgenesis, presacral mass (anterior meningocele, enteric cyst, or presacral teratoma) and anorectal malformation. Currarino syndrome exhibits variable expressivity and the clinical presentation tends to vary with the age of the subject such as spinal anomaly detected in the fetus, imperforate anus in the newborn, and intractable constipation or neurologic symptoms in the infant and older child. At any age, meningitis can be the presenting symptom and imaging is required for proper investigation...
November 22, 2016: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/27887736/use-of-clarus-video-system-%C3%A2-in-expected-difficult-airway-in-a-patient-with-rett-syndrome
#20
L España Fuente, R E Méndez Redondo, J L González González
Difficult airway management remains one of the key points in our specialty, as the difficulty or impossibility of tracheal intubation is the main cause of morbidity/mortality attributable to anaesthesia. Rett syndrome is a severe and incapacitating neurological disease. We present the case of a 21-year-old girl affected by this syndrome, with significant psychomotor retardation and difficult airway predictors, who was scheduled to have a laparoscopic cholecystectomy under general anaesthesia. We decided on one attempt of Clarus Video System(®) fiberoptic intubation as primary intervention...
November 22, 2016: Revista Española de Anestesiología y Reanimación
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