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https://www.readbyqxmd.com/read/28632677/preexisting-ocular-motor-palsy-and-central-neuroaxial-block-a-reply-to-dr-nair
#1
Monica Del-Rio-Vellosillo, Jose Javier Garcia-Medina, Maria Dolores Pinazo-Duran, Antonio Abengochea-Cotaina, Manuel Barbera-Alacreu
No abstract text is available yet for this article.
July 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28607937/contrast-media-induced-anaphylaxis-causing-a-stress-related-cardiomyopathy-post-percutaneous-coronary-intervention-case-report
#2
Rajeev Seecheran, Valmiki Seecheran, Sangeeta Persad, Sasha Lalla, Naveen Anand Seecheran
Anaphylaxis is a sudden-onset, severe hypersensitivity reaction that can be potentially fatal. It can often transition to refractory hemodynamic instability, eventually resulting in death. Stress-related cardiomyopathies (SRCs) have multifactorial etiologies, including being linked to excessive catecholamine release in periods of intense stress. This novel case report recounts a SRC caused by contrast-induced anaphylaxis within 1 hour post percutaneous coronary intervention. Both acutely life-threatening conditions may occur simultaneously and are implicated with devastating complications...
April 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28551062/-alternative-approach-to-autonomic-instability-of-very-severe-tetanus-stellate-ganglion
#3
Başak Altıparmak, Ali İhsan Uysal, Eylem Yaşar, Semra Demirbilek
Tetanus is an acute and deadly disease caused by Clostridium tetani. A 60-year-old male came to hospital after he injured his thumb with a knife. Ten days later, he returned to hospital with abdominal spasms. He was vaccinated against tetanus and referred to intensive care unit. As he had sudden difficulty in respiration, he was entubated. Midazolam, magnesium and esmolol infusion were started. Next day, muscle spasms progressed all over his body. Midazolam infusion was replaced with propofol and vecuronium...
May 24, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28549524/-quadratus-lumborum-block-are-we-aware-of-its-side-effects-a-report-of-2-cases
#4
Miguel Sá, José Miguel Cardoso, Hugo Reis, Marta Esteves, José Sampaio, Isabel Gouveia, Pilar Carballada, Célia Pinheiro, Duarte Machado
BACKGROUND AND OBJECTIVES: The quadratus lumborum block was initially described in 2007 and aims at blocking the same nerves as the ones involved on the Transverse Abdominis Plane block, while accomplishing some visceral enervation as well due to closer proximity with the neuroaxis and sympathetic trunk. Given its versatility, we have successfully used it in a wide range of procedures. We report two cases where we believe the dispersion of local anesthetic is likely to have led to a previously undescribed complication...
May 23, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28412561/metastatic-human-breast-cancer-to-the-spine-produces-mechanical-hyperalgesia-and-gait-deficits-in-rodents
#5
Rachel Sarabia-Estrada, Alejandro Ruiz-Valls, Hugo Guerrero-Cazares, Ana M Ampuero, Ismael Jimenez-Estrada, Samantha De Silva, Lydia J Bernhardt, C Rory Goodwin, A Karim Ahmed, Yuxin Li, Neil A Phillips, Ziya L Gokaslan, Alfredo Quiñones-Hinojosa, Daniel M Sciubba
BACKGROUND CONTEXT: Metastases to the spine are a common source of severe pain in cancer patients. The secondary effects of spinal metastases include pain, bone fractures, hypercalcemia, and neurological deficits. As the disease progresses, pain severity can increase until it becomes refractory to medical treatments and leads to a decreased quality of life for patients. A key obstacle in the study of pain-induced spinal cancer is the lack of reliable and reproducible spine cancer animal models...
April 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28381486/musculoskeletal-geometry-accounts-for-apparent-extrinsic-representation-of-paw-position-in-dorsal-spinocerebellar-tract
#6
Raeed H Chowdhury, Matthew C Tresch, Lee E Miller
Proprioception, the sense of limb position and motion, arises from individual muscle receptors. An important question is how and where in the neuroaxis our high level "extrinsic" sense of limb movement originates. In the 1990s, a series of papers detailed the properties of neurons in the dorsal spinocerebellar tract (DSCT) of the cat. Despite their direct projections from sensory receptors, it appeared that half of these neurons had consistent, high-level tuning to paw position rather than to joint angles (or muscle lengths)...
April 5, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28363681/a-network-model-of-the-emotional-brain
#7
REVIEW
Luiz Pessoa
Emotion is often understood in terms of a circumscribed set of cortical and subcortical brain regions. I propose, instead, that emotion should be understood in terms of large-scale network interactions spanning the entire neuroaxis. I describe multiple anatomical and functional principles of brain organization that lead to the concept of 'functionally integrated systems', cortical-subcortical systems that anchor the organization of emotion in the brain. The proposal is illustrated by describing the cortex-amygdala integrated system and how it intersects with systems involving the ventral striatum/accumbens, septum, hippocampus, hypothalamus, and brainstem...
May 2017: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/28363328/cerebrospinal-fluid-cutaneous-fistula-following-obstetric-epidural-analgaesia-case-report
#8
J J Fedriani de Matos, A V Quintero Salvago, M D Gómez Cortés
Cutaneous fistula of cerebrospinal fluid is a rare complication of neuroaxial blockade. We report the case of a parturient in whom an epidural catheter was placed for labour analgesia and 12h after the catheter was removed, presented an abundant asymptomatic fluid leak from the puncture site, compatible in the cyto-chemical analysis with cerebrospinal fluid. She was treated with acetazolamide, compression of skin orifice of the fluid leakage, antibiotic prophylaxis, hydration and rest, and progressed satisfactorily without requiring blood patch...
March 28, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28323088/localization-of-the-corticospinal-tract-within-the-porcine-spinal-cord-implications-for-experimental-modeling-of-traumatic-spinal-cord-injury
#9
Anna Victoria Leonard, Joshua York Menendez, Betty Maki Pat, Mark N Hadley, Candace Lorraine Floyd
Spinal cord injury (SCI) researchers have predominately utilized rodents for SCI modeling and experimentation. Unfortunately, a large number of novel therapies developed in rodent models have failed to demonstrate efficacy in human clinical trials which suggests that improved animal models are an important translational tool. Recently, porcine models of SCI have been identified as a valuable intermediary model for preclinical evaluation of promising therapies to aid clinical translation. However, the localization of the major spinal tracts in pigs has not yet been described...
May 1, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28296621/optical-projection-tomography-as-a-novel-method-to-visualize-and-quantitate-whole-brain-patterns-of-cell-proliferation-in-the-adult-zebrafish-brain
#10
Benjamin W Lindsey, Jan Kaslin
How distinct cell populations are distributed in three-dimensional space under homeostasis or following injury, neurodegeneration, or with senescence can teach us much about brain-wide patterns and signaling along the neuroaxis. Visualizing individual cell populations in the mature vertebrate central nervous system (CNS) has remained a challenge as a result of difficulty clearing adult brain tissue or limitations in imaging depth or resolution. We have developed a simple clearing and imaging pipeline optimally suited for the adult zebrafish brain to investigate changes in patterns of cell proliferation in wild-type and transgenic backgrounds that can easily be quantified and represented using FIJI and IMARIS software...
March 15, 2017: Zebrafish
https://www.readbyqxmd.com/read/28283001/cranial-subarachnoid-and-subdural-haemorrhage-caused-by-spinal-melanoma-metastasis
#11
Farouk Olubajo, Stavros Stavropoulos, M Masood Hussain, Chris Rowland-Hill, Shailendra Achawal
A 73-year-old female with a history of metastatic melanoma presented with extensive intracranial subarachnoid haemorrhage. Cranial imaging failed to reveal any vascular anomaly or tumour. MRI of the neuroaxis revealed a melanoma metastasis at T10 with associated subarachnoid haemorrhage. We review the literature on this rare presentation of subarachnoid haemorrhage.
March 10, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28281561/ep2-receptor-antagonism-reduces-peripheral-and-central-hyperalgesia-in-a-preclinical-mouse-model-of-endometriosis
#12
Erin Greaves, Andrew W Horne, Helen Jerina, Marta Mikolajczak, Lisa Hilferty, Rory Mitchell, Sue M Fleetwood-Walker, Philippa T K Saunders
Endometriosis is an incurable gynecological disorder characterized by debilitating pain and the establishment of innervated endometriosis lesions outside the uterus. In a preclinical mouse model of endometriosis we demonstrated overexpression of the PGE2-signaling pathway (including COX-2, EP2, EP4) in endometriosis lesions, dorsal root ganglia (DRG), spinal cord, thalamus and forebrain. TRPV1, a PGE2-regulated channel in nociceptive neurons was also increased in the DRG. These findings support the concept that an amplification process occurs along the pain neuroaxis in endometriosis...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28207664/descriptive-analysis-of-spinal-neuroaxial-injections-surgical-interventions-and-physical-therapy-utilization-for-degenerative-lumbar-spondylolisthesis-within-medicare-beneficiaries-from-2000-to-2011
#13
Joseph A Sclafani, Alexandra Constantin, Pei-Shu Ho, Venu Akuthota, Leighton Chan
STUDY DESIGN: A retrospective, observational study. OBJECTIVE: The aim of this study was to determine the utilization of various treatment modalities in the management of degenerative spondylolisthesis within Medicare beneficiaries. SUMMARY OF BACKGROUND DATA: Degenerative lumbar spondylolisthesis is a condition often identified in symptomatic low back pain. A variety of treatment algorithms including physical therapy and interventional techniques can be used to manage clinically significant degenerative spondylolisthesis...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28140423/obstetrisk-nervp%C3%A3-verkan-%C3%A3-r-oftast-inte-ryggbed%C3%A3-vningens-fel
#14
Lovisa Brehmer, Johan Rutfors
Postpartum nerve injury is usually not caused by neuroaxial anesthesia - a case report In this case report we describe a woman who after giving birth had numbness and could not support her weight on the right leg. Three attempts of epidural anesthesia had been made during labor. MRI imaging of the spinal cord showed no pathology. She was treated conservatively by a physiotherapist and recovered gradually. After six months all symptoms had resolved. Postpartum nerve injury is often thought to be due to neuroaxial anesthesia, although in most cases it is caused by labor itself...
January 27, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28094426/the-role-of-cine-flow-magnetic-resonance-imaging-in-patients-with-chiari-0-malformation
#15
Kerem Mazhar Ozsoy, Kadir Oktay, Nuri Eralp Cetinalp, Yurdal Gezercan, Tahsin Erman
AIM: The aim of this study was to define the role of phase-contrast cine magnetic resonance imaging in deciding the therapeutic strategy and underlying pathophysiology resulting in syrinx formation in patients with Chiari type 0 malformation. MATERIAL AND METHODS: Seven patients admitted to our clinic with diagnosis of Chiari 0 malformations during the period January 2005 to July 2016 were enrolled in the study. All patients underwent a detailed preoperative neurological examination...
December 14, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27893606/cochlear-brainstem-and-psychophysical-responses-show-spectrotemporal-tradeoff-in-human-auditory-processing
#16
Gavin M Bidelman, Shaum P Bhagat
Auditory filter theory posits a tradeoff in time-frequency analysis: high temporal precision is achievable only at the expense of poorer frequency resolution and vice versa. Here, we examined the hierarchy of brain mechanisms of these spectrotemporal tradeoffs through a series of physiological and behavioral measures aimed to tap temporal and spectral acuity at different levels of the auditory neuroaxis (cochlea→brainstem→percept). Cochlear and behavioral frequency selectivity was measured by stimulus-frequency otoacoustic emissions (SFOAE) and psychophysical tuning curves; temporal acuity was measured physiologically and behaviorally by paired click recovery of auditory brainstem responses (ABRs) and gap detection thresholds (GDTs), respectively...
January 1, 2017: Neuroreport
https://www.readbyqxmd.com/read/27881398/separate-and-shared-sympathetic-outflow-to-white-and-brown-fat-coordinately-regulates-thermoregulation-and-beige-adipocyte-recruitment
#17
Ngoc Ly T Nguyen, Candace L Barr, Vitaly Ryu, Qiang Cao, Bingzhong Xue, Timothy J Bartness
White adipose tissue (WAT) and brown adipose tissue (BAT) are innervated and regulated by the sympathetic nervous system (SNS). It is not clear, however, whether there are shared or separate central SNS outflows to WAT and BAT that regulate their function. We injected two isogenic strains of pseudorabies virus, a retrograde transneuronal viral tract tracer, with unique fluorescent reporters into interscapular BAT (IBAT) and inguinal WAT (IWAT) of the same Siberian hamsters to define SNS pathways to both. To test the functional importance of SNS coordinated control of BAT and WAT, we exposed hamsters with denervated SNS nerves to IBAT to 4°C for 16-24 h and measured core and fat temperatures and norepinephrine turnover (NETO) and uncoupling protein 1 (UCP1) expression in fat tissues...
January 1, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27871553/fascia-iliaca-block-associated-only-with-deep-sedation-in-high-risk-patients-taking-p2y12-receptor-inhibitors-for-intramedullary-femoral-fixation-in-intertrochanteric-hip-fracture-a-series-of-3-cases
#18
Carlos Rodrigues Almeida, Emília Milheiro Francisco, Vítor Pinho-Oliveira, José Pedro Assunção
OBJECTIVE: We present a series of 3 cases in which the impact in outcome was, first of all, related to the capacity to offer early and safer treatment to some hip fracture high-risk patients using a fascia iliaca block (FIB; ropivacaine 0,5% 20 cc and mepivacaine 1,3% 15 cc, given 30 minutes before incision) associated only with deep sedation, contributing to better practice and outcome. CASE REPORTS: All elderly patients were American Society of Anesthesiologists IV patients, under P2Y12 receptor inhibitors, suffering from an intertrochanteric fracture, and purposed for intramedullary femoral fixation (IMF)...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27784774/safety-of-intrathecal-autologous-adipose-derived-mesenchymal-stromal-cells-in-patients-with-als
#19
Nathan P Staff, Nicolas N Madigan, Jonathan Morris, Mark Jentoft, Eric J Sorenson, Greg Butler, Dennis Gastineau, Allan Dietz, Anthony J Windebank
OBJECTIVE: To determine the safety of intrathecal autologous adipose-derived mesenchymal stromal cell treatment for amyotrophic lateral sclerosis (ALS). METHODS: Participants with ALS were enrolled and treated in this phase I dose-escalation safety trial, ranging from 1 × 10(7) (single dose) to 1 × 10(8) cells (2 monthly doses). After intrathecal treatments, participants underwent standardized follow-up, which included clinical examinations, revised ALS Functional Rating Scale (ALSFRS-R) questionnaire, blood and CSF sampling, and MRI of the neuroaxis...
November 22, 2016: Neurology
https://www.readbyqxmd.com/read/27729180/combined-endovascular-and-microsurgical-treatment-of-a-complex-spinal-arteriovenous-fistula-associated-with-cloves-syndrome-in-an-adult-patient
#20
Mohammad R Boroumand, M Yashar S Kalani, Robert F Spetzler
CLOVES (congenital lipomatous overgrowth, vascular malformations, epidermal nevi, and scoliosis/skeletal/spinal anomalies) syndrome is a congenital and almost exclusively pediatric syndrome associated with vascular malformations of the neuroaxis. We report the case of a complex spinal arteriovenous fistula in an adult woman with CLOVES syndrome treated using a multidisciplinary approach with endovascular embolization and microsurgical technique, and review the medical literature on this disease.
December 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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