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https://www.readbyqxmd.com/read/28324264/reverse-locked-in-syndrome
#1
Pooja Raibagkar, Ram V Chavali, Tamara B Kaplan, Jennifer A Kim, Meaghan V Nitka, Sherry H-Y Chou, Brian L Edlow
BACKGROUND: Basilar artery occlusion can cause locked-in syndrome, which is characterized by quadriplegia, anarthria, and limited communication via eye movements. Here, we describe an uncommon stroke syndrome associated with endovascular recanalization of the top of the basilar artery: "reverse locked-in syndrome." METHODS: We report the case of a patient with atypical neurological deficits caused by acute ischemic stroke of the midbrain tegmentum. We perform neuroanatomic localization of the patient's infarcts by mapping the magnetic resonance imaging (MRI) data onto a brainstem atlas...
March 21, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28324197/the-spectrum-of-magnetic-resonance-findings-in-cerebrotendinous-xanthomatosis-redefinition-and-evidence-of-new-markers-of-disease-progression
#2
Andrea Mignarri, Maria Teresa Dotti, Antonio Federico, Nicola De Stefano, Marco Battaglini, Irene Grazzini, Paolo Galluzzi, Lucia Monti
Cerebrotendinous xanthomatosis (CTX) is a metabolic disease characterized by systemic signs and neurological impairment, which can be prevented if chenodeoxycholic acid (CDCA) treatment is started early. Despite brain MRI represents an essential diagnostic tool, the spectrum of findings is worth to be reappraised, and follow-up data are needed. We performed clinical evaluation and brain MRI in 38 CTX patients. Sixteen of them who were untreated at baseline examination underwent clinical and MRI follow-up after long-term treatment with CDCA...
March 21, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28323976/protective-effects-of-fetal-zone-steroids-are-comparable-to-estradiol-in-hyperoxia-induced-cell-death-of-immature-glia
#3
Stephanie Hübner, Donna E Sunny, Christine Pöhlke, Johanna Ruhnau, Antje Vogelgesang, Bettina Reich, Matthias Heckmann
Impaired neurodevelopment in preterm infants is caused by prematurity itself; however, hypoxia/ischemia, inflammation, and hyperoxia contribute to the extent of impairment. Because preterm birth is accompanied by a dramatic decrease in 17β-estradiol (E2) and progesterone, preliminary clinical studies have been carried out to substitute these steroids in preterm infants; however, they failed to confirm significantly improved neurological outcomes. We therefore hypothesized that the persistently high postnatal production of fetal zone steroids (mainly dehydroepiandrosterone (DHEA)) until term could interfere with E2-mediated protection...
March 3, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323720/neuroprognostication-after-cardiac-arrest-in-the-light-of-targeted-temperature-management
#4
Mauro Oddo, Hans Friberg
PURPOSE OF REVIEW: Delayed awakening after targeted temperature management (TTM) and sedation is frequent among cardiac arrest patients. Differentiating between prolonged coma and irreversible cerebral damage can be challenging, therefore the utilization of a multimodal approach is recommended by international guidelines. Here, we discuss indications and advantages/disadvantages of available modalities for coma prognostication and describe new tools to improve our accuracy for outcome prediction...
March 20, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28323718/posterior-distraction-and-instrumentation-cannot-always-reduce-displaced-and-rotated-posterosuperior-fracture-fragments-in-thoracolumbar-burst-fracture
#5
Xiao-Bin Wang, Guo-Hua Lü, Jing Li, Bing Wang, Chang Lu, Kevin Phan
STUDY DESIGN: A retrospective clinical study. OBJECTIVE: To determine the imaging features that can be used to predict failure of reduction of a retropulsed fracture fragment by posterior ligamentotaxis in thoracolumbar burst fractures. SUMMARY OF BACKGROUND DATA: Posterior instrumentation and distraction with ligamentotaxis has been successfully used to shift retropulsed fragments anteriorly in thoracolumbar burst fractures. However, posterior longitudinal ligament rupture can lead to treatment failure...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323709/single-stage-transpedicular-vertebrectomy-and-expandable-cage-placement-for-treatment-of-unstable-mid-and-lower-lumbar-burst-fractures
#6
Jong-Il Choi, Bum-Joon Kim, Sung-Kon Ha, Sang-Dae Kim, Dong-Jun Lim, Se-Hoon Kim
STUDY DESIGN: Retrospective clinical and radiographic study. OBJECTIVE: To examine the efficacy and safety of vertebrectomy and expandable cage placement by a single-stage posterior approach for unstable mid and lower lumbar burst fractures (below the L3). SUMMARY OF BACKGROUND DATA: Patients with unstable mid and lower lumbar burst fractures require surgical treatment to relieve pain, address paralysis, and stabilize the spine to prevent further segmental deformity...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28320172/neuropathological-findings-from-an-autopsied-case-showing-posterior-reversible-encephalopathy-syndrome-like-neuroradiological-findings-associated-with-premedication-including-tacrolimus-for-autologous-peripheral-blood-stem-cell-transplantation
#7
Yuichi Hayashi, Akio Kimura, Hiroshi Nakamura, Maya Mimuro, Yasushi Iwasaki, Akira Hara, Mari Yoshida, Takashi Inuzuka
Posterior reversible encephalopathy syndrome (PRES) is diagnosed based on neuroradiological findings. Typically, PRES is reversible and presents with a good outcome; however, fatal outcomes have been reported. We report an autopsied case showing PRES-like neuroradiological findings associated with premedication including tacrolimus for autologous peripheral blood stem cell transplantation in a 28-year-old woman with a 2-year history of acute myeloid sarcoma/acute myeloid leukemia. Neurological examination revealed disturbed consciousness, muscle weakness in all extremities, and bilaterally diminished tendon reflexes...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28320159/prevalence-of-peripheral-neuropathy-and-associated-factors-in-hiv-infected-patients
#8
Maria Luiza Areal Corrêa de Sá E Benevides, Sérgio Beduschi Filho, Rodrigo Debona, Eduardo Novaes Costa Bergamaschi, Jean Costa Nunes
The progress on HIV infection treatment has allowed a longer survival for HIV-infected patients. However, chronic comorbidities are emerging. Peripheral Neuropathy (PN) represents one of the most prevalent neurologic disorders among these patients, and comprehensive studies may contribute to a reduction in the morbidity of this condition. This is a cross-sectional analytic study conducted in a tertiary referral hospital in southern Brazil. This study investigates the prevalence of PN among HIV-infected patients and associated demographic, clinical and laboratory variables...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28320130/spg2-mimicking-multiple-sclerosis-in-a-family-identified-using-next-generation-sequencing
#9
Anna Rubegni, Carla Battisti, Alessandra Tessa, Alfonso Cerase, Stefano Doccini, Alessandro Malandrini, Filippo M Santorelli, Antonio Federico
Several single gene disorders can potentially be overlooked in the differential diagnostic evaluation of patients with multiple sclerosis (MS). Pelizaeus-Merzbacher disease and spastic paraplegia type 2 are allelic X-linked disorders associated with defective myelination of the central nervous system and mutations in PLP1. Neurological symptoms are occasionally observed in female carriers of these mutations. Two women - the proposita (Pt1) and her mother (Pt2) - reported walking difficulties since adolescence and showed progressive cognitive decline...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319128/serious-adverse-neonatal-outcomes-such-as-5-minute-apgar-score-of-zero-and-seizures-or-severe-neurologic-dysfunction-are-increased-in-planned-home-births-after-cesarean-delivery
#10
Amos Grünebaum, Laurence B McCullough, Birgit Arabin, Frank A Chervenak
The United States is with 37,451 home births in 2014 the country with the largest absolute number of home births among all developed countries. The purpose of this study was to examine the occurrence and risks of a 5-minute Apgar score of zero and neonatal seizures or serious neurologic dysfunction in women with a history of prior cesarean delivery for planned home vaginal birth after cesarean (VBAC), compared to hospital VBAC and hospital birth cesarean deliveries for term normal weight infants in the United States from 2007-2014...
2017: PloS One
https://www.readbyqxmd.com/read/28318959/utility-of-items-of-baseline-national-institutes-of-health-stroke-scale-as-predictors-of-functional-outcomes-at-three-months-after-mild-ischemic-stroke
#11
Jay Chol Choi, Beom Joon Kim, Moon-Ku Han, Soo Joo Lee, Kyusik Kang, Jong-Moo Park, Sang-Soon Park, Tai Hwan Park, Yong-Jin Cho, Keun-Sik Hong, Kyung Bok Lee, Jun Lee, Wi-Sun Ryu, Dong-Eog Kim, Hyun-Wook Nah, Dae-Hyun Kim, Jae-Kwan Cha, Joon-Tae Kim, Kang-Ho Choi, Mi Sun Oh, Kyung-Ho Yu, Byung-Chul Lee, Myung Suk Jang, Ji Sung Lee, Juneyoung Lee, Hee-Joon Bae
BACKGROUND: Predicting outcomes of acute stroke patients initially presenting with mild neurologic deficits is crucial in decision making regarding thrombolytic therapy. We examined the utility of individual National Institutes of Health Stroke Scale (NIHSS) score items or clusters of items as predictors of functional outcomes at 3 months after mild stroke. METHODS: Using a multicenter stroke registry database, we identified patients with acute ischemic stroke who presented within 4...
March 15, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28318359/zika-virus-and-eye
#12
Rupesh Agrawal, Hnin Hnin Oo, Praveen Kumar Balne, Lisa Ng, Louis Tong, Yee Sin Leo
Zika virus (ZIKV), a mosquito-borne flavivirus, is the latest global health concern. Transmission is mainly via Aedes mosquitoes and the infection can be diagnosed on molecular or serologic testings. It typically causes a mild self-remitting illness of low-grade fever, maculopapular rash, and myalgia, but when severe, it is associated with neurological deficits and congenital structural defects. Ocular manifestations are usually mild like nonpurulent conjunctivitis in adults, though it may be linked to uveitis, maculopathy, and hypertensive iridocyclitis...
March 20, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28318192/-abdominal-pain-as-a-presentation-by-lead-poisoning-case-report
#13
Daniel M Mottiera, Elda Cargnel
Acute lead poisoning is not a common pathology seen in the pediatrician's office. Lead poisoning symptoms can be digestive or neurological, and they can be confused with other pathologies. That is the reason why it should be considered and, in case of doubt, complementary studies to confirm lead poisoning should be requested. This is the case of a nine-year-old child that comes to the office with a strong abdominal pain and vomiting, and after a close physical examination and a detailed anamnesis, a suspicious diagnosis of "acute" lead poisoning is obtained...
April 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28316031/transactivation-domain-of-human-c-myc-is-essential-to-alleviate-poly-q-mediated-neurotoxicity-in-drosophila-disease-models
#14
Kritika Raj, Surajit Sarkar
Polyglutamine (poly(Q)) disorders, such as Huntington's disease (HD) and spinocerebellar ataxias, represent a group of neurological disorders which arise due to an atypically expanded poly(Q) tract in the coding region of the affected gene. Pathogenesis of these disorders inside the cells begins with the assembly of these mutant proteins in the form of insoluble inclusion bodies (IBs), which progressively sequester several vital cellular transcription factors and other essential proteins, and finally leads to neuronal dysfunction and apoptosis...
March 18, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28314910/the-relationship-between-the-dopaminergic-system-and-depressive-symptoms-in-cervical-dystonia
#15
E Zoons, M A J Tijssen, Y E M Dreissen, J D Speelman, M Smit, J Booij
PURPOSE: Cervical dystonia (CD) is associated with tremor/jerks (50%) and psychiatric complaints (17-70%). The dopaminergic system has been implicated in the pathophysiology of CD in animal and imaging studies. Dopamine may be related to the motor as well as non-motor symptoms of CD. CD is associated with reduced striatal dopamine D2/3 (D2/3) receptor and increased dopamine transporter (DAT) binding. There are differences in the dopamine system between CD patients with and without jerks/tremor and psychiatric symptoms...
March 17, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28314819/depressive-like-behaviors-are-regulated-by-nox1-nadph-oxidase-by-redox-modification-of-nmda-receptor-1
#16
Masakazu Ibi, Junjie Liu, Noriaki Arakawa, Shiho Kitaoka, Ai Kawaji, Ken-Ichi Matsuda, Kazumi Iwata, Misaki Matsumoto, Masato Katsuyama, Kai Zhu, Satoshi Teramukai, Tomoyuki Furuyashiki, Chihiro Yabe-Nishimura
Involvement of reactive oxygen species (ROS) has been suggested in the development of psychiatric disorders. NOX1 is a non-phagocytic form of NADPH oxidase whose expression in the nervous system is negligible compared with other NOX isoforms. However, NOX1-derived ROS increase inflammatory pain and tolerance to opioid analgesia. To clarify the role of NOX1 in the brain, we examined depressive-like behaviors in mice deficient in Nox1 (Nox1(-/Y)). Depressive-like behaviors induced by chronic social defeat stress or administration of corticosterone (CORT) were significantly ameliorated in Nox1(-/Y) Generation of ROS was significantly elevated in the prefrontal cortex (PFC) of mice administrated with CORT, while NOX1 mRNA was up-regulated only in the ventral tegmental area (VTA) among brain areas responsible for emotional behaviors...
March 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28314520/interaction-between-postural-asymmetry-and-visual-feedback-effects-in-undisturbed-upright-stance-control-in-healthy-adults
#17
Patrice R Rougier, Samir Boudrahem
OBJECTIVES: The technique of additional visual feedback has been shown to significantly decrease the center of pressure (CP) displacements of a standing subject. Body-weight asymmetry is known to increase postural instability due to difficulties in coordinating the reaction forces exerted under each foot and is often a cardinal feature of various neurological and traumatic diseases. To examine the possible interactions between additional visual feedback and body-weight asymmetry effects, healthy adults were recruited in a protocol with and without additional visual feedback, with different levels of body-weight asymmetry...
March 14, 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/28314518/the-interface-between-chronic-fatigue-syndrome-and-depression-a-psychobiological-and-neurophysiological-conundrum
#18
Derek Larkin, Colin R Martin
The chronic fatigue syndrome (CFS) remains a contentious and controversial presentation despite decades of systematic research from a variety of medical specialties and associated disciplines. Variously championed as a condition of immunological, neurological, neurophysiological, psychiatric or psychological origin, consensus on a cogent and evidenced-based pathway has yet to be achieved. Irrespective of the ambiguity regarding aetiology, what is incontrovertible is the experience of significant depression, which often accompanies this most distressing clinical presentation...
March 14, 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/28314417/an-algorithmic-approach-to-triaging-facial-trauma-on-the-sidelines
#19
REVIEW
Kristi Colbenson
On-the-field evaluation of facial trauma requires a focused initial assessment of the patient's airway and breathing with a knowledge of the critical associated injuries. The initial triage in facial trauma involves assessing and protecting the athlete's airway, breathing, and cervical spine. The algorithm then requires a repeat evaluation for subtle causes of airway obstruction and aspiration risks. Final steps include control of hemorrhage, recognition of neurologic and ophthalmologic disability, and complete exposure of the athlete to examine for other associated injury...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28306635/ocular-fundus-photography-with-a-smartphone-device-in-acute-hypertension
#20
M Lorenza Muiesan, Massimo Salvetti, Anna Paini, Michela Riviera, Clara Pintossi, Fabio Bertacchini, Efrem Colonetti, Claudia Agabiti-Rosei, Maurizio Poli, Francesco Semeraro, Enrico Agabiti-Rosei, Andrea Russo
BACKGROUND: The ocular fundus examination is infrequently and poorly performed in the emergency department (ED) clinical settings, placing patients at risk for missed diagnosis of hypertensive emergencies. The aim of this study was to investigate the feasibility of the ocular fundus photography with a smartphone small optical device in an ED setting and to compare it with a traditional ocular fundus examination. METHODS: The study included 52 consecutive patients (mean age 69 ± 16 years, 50% women) presenting to a hospital ED with an acute increase in blood pressure (SBP > 180 and/or DBP > 100 mmHg)...
March 16, 2017: Journal of Hypertension
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