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Cervical artery dysfunction

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https://www.readbyqxmd.com/read/28524790/cognard-type-v-intracranial-dural-arteriovenous-fistula-presenting-in-a-pediatric-patient-with-rapid-progressive-myelopathy
#1
Walter J Jermakowicz, Alexander G Weil, Artyom Vlasenko, Sanjiv Bhatia, Toba N Niazi
Cognard Type V dural arteriovenous fistulas (dAVFs) are a unique type of cranial vascular malformation characterized by congestion of the perimedullary venous system that may lead to devastating spinal cord pathology if left untreated. The authors present the first known case of a pediatric patient diagnosed with a Type V dAVF. A 14-year-old girl presented with a 3-week history of slowly progressive unilateral leg weakness that quickly progressed to bilateral leg paralysis, sphincter dysfunction, and complete sensory loss the day of her presentation...
May 19, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28492792/cervical-cannulation-for-surgical-repair-of-congenital-cardiac-defects-in-infants-and-small-children
#2
Pankaj Garg, Arvind Kumar Bishnoi, Ketav Lakhia, Parth Solanki, Jigar Surti, Komal Shah, Sanjay Patel
INTRODUCTION: The biggest challenge faced in minimally invasive pediatric cardiac surgery is cannulation for cardiopulmonary bypass. Our technique and experience of cervical cannulation in infants and small children for repair of congenital cardiac defects is reported in this study. METHODS: From January 2013 to June 2015, 37 children (22 males) with mean age of 17.97±8.63 months and weight of 8.06±1.59 kg were operated on for congenital cardiac defects through right lateral thoracotomy...
March 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28416148/alterations-in-autonomic-cerebrovascular-control-after-spinal-cord-injury
#3
Dong-Il Kim, Can Ozan Tan
Among chronic cardiovascular and metabolic sequelae of spinal cord injury (SCI) is an up-to four-fold increase in the risk of ischemic and hemorrhagic stroke, suggesting that individuals with SCI cannot maintain stable cerebral perfusion. In able-bodied individuals, the cerebral vasculature is able to regulate cerebral perfusion in response to swings in arterial pressure (cerebral autoregulation), blood gases (cerebral vasoreactivity), and neural metabolic demand (neurovascular coupling). This ability depends, at least partly, on intact autonomic function, but high thoracic and cervical spinal cord injuries result in disruption of sympathetic and parasympathetic cerebrovascular control...
April 4, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28298800/a-case-of-subclavian-artery-aneurysm-with-history-of-ischemic-heart-disease-operated-under-cervical-epidural-anesthesia
#4
Amrita Rath, J Abhinay, Sandeep Loha, Atul Kumar Singh
Subclavian artery aneurysm is usually operated under general anesthesia (GA), but in specific situations, it can also be conducted under regional anesthesia (RA) such as cervical epidural anesthesia (CEA). A 48-year-old male presented with chief complaint of progressive swelling in the right side of the neck for the past 3 months following trauma. He was diagnosed as subclavian artery aneurysm, and surgical intervention was advised. He had previous history of angina 4 months back for which tablet aspirin 75 mg and tablet clopidogrel 75 mg once daily was prescribed...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28283957/migraine-and-stroke-what-s-the-link-what-to-do
#5
REVIEW
Anna Gryglas, Robert Smigiel
Migraine and stroke are common, disabling neurologic disorders, with a high socioeconomic burden. A link between them has been proposed years ago, and various theories have been proposed to explain this bidirectional relation. However, the precise causes remain unclear. We briefly summarize existing hypotheses of this correlation seeking for recommendations for stroke prevention in migraineurs, if any exist. Among the strongest suggested theories of migraine-stroke association are cortical spreading depression, endovascular dysfunction, vasoconstriction, neurogenic inflammation, hypercoagulability, increased prevalence of vascular risk factors, shared genetic defects, cervical artery dissection, and patent foramen ovale...
March 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28258876/the-use-of-tissue-plasminogen-activator-in-the-treatment-of-wallenberg-syndrome-caused-by-vertebral-artery-dissection
#6
Alexis Salerno, Bradford V Cotter, Michael E Winters
BACKGROUND: Acute cerebrovascular accident (CVA) is a devastating cause of patient morbidity and mortality. Up to 10% of acute CVAs in young patients are caused by dissection of the vertebral or carotid artery. Wallenberg syndrome results from a CVA in the vertebral or posterior inferior artery of the cerebellum and manifests as various degrees of cerebellar dysfunction. The administration of a thrombolytic medication has been recommended in the treatment of patients with stroke caused by cervical artery dissection...
February 28, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27897305/-cervical-ischaemic-neuronopathy-and-cardioembolism-another-cause-of-man-in-the-barrel-syndrome
#7
H Gonzalez-Usigli, A Gandarilla, J J Garcia, J Serrato, N Estrada
INTRODUCTION: Spinal infarction accounts for 1% of all strokes. Cardioembolism is a rare cause. Common areas of ischemic spinal damage are watershed in the dorsal or lumbar regions; however cervical spinal cord infarction has been reported previously. CASE REPORT: We present a new case of a man-in-the-barrel syndrome produced by cardiac embolization associated with atrial fibrillation during an acute myocardial infarction, which caused cervical ischemic neuronopathy (infarction of the anterior horn)...
December 16, 2016: Revista de Neurologia
https://www.readbyqxmd.com/read/27834292/mesenteric-vascular-dysregulation-and-intestinal-inflammation-accompanies-experimental-spinal-cord-injury
#8
Emily M Besecker, Gina M Deiter, Nicole Pironi, Timothy K Cooper, Gregory M Holmes
Cervical and high thoracic spinal cord injury (SCI) drastically impairs autonomic nervous system function. Individuals with SCI at thoracic spinal level 5 (T5) or higher often present cardiovascular disorders that include resting systemic arterial hypotension. Gastrointestinal (GI) tissues are critically dependent upon adequate blood flow and even brief periods of visceral hypoxia triggers GI dysmotility. The aim of this study was to test the hypothesis that T3-SCI induces visceral hypoperfusion, diminished postprandial vascular reflexes, and concomitant visceral inflammation...
January 1, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27767394/resolution-of-intractable-retching-following-mobilization-of-a-dolichoectatic-vertebral-artery-case-report-of-a-unique-brainstem-cranial-nerve-compression-syndrome
#9
Scott Seaman, Paul Nelson, Jacob Alexander, Andrew Swift, James Fick
The authors present the case of a 53-year-old man who was referred with disabling retching provoked by left arm abduction. At the time of his initial evaluation, a cervical MRI study was available for review and revealed an anatomical variation of the ipsilateral juxtamedullary vertebrobasilar junction. After brain imaging revealed contact of the medulla by a dolichoectatic vertebral artery at the dorsal root entry zone of the glossopharyngeal and vagus nerves, the patient was successfully treated by microvascular decompression of the brainstem and cranial nerves...
October 21, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27671278/incidental-occlusion-of-anterior-spinal-artery-due-to-onyx-reflux-in-embolization-of-spinal-type-ii-arteriovenous-malformation
#10
Joohyun Kim, Jang-Bo Lee, Tai-Hyoung Cho, Junseok W Hur
PURPOSE: Onyx embolization is one of the standard treatments for brain arteriovenous malformations (AVMs) and is a promising method for spinal AVMs as well. Its advantages have been emphasized, and few complications have been reported with Onyx embolization in spinal AVMs. Here, we report an incidental anterior spinal artery (ASA) occlusion due to Onyx reflux during embolization of a spinal type II AVM. METHODS: A 15-year-old boy presented with weakness in both upper and lower extremities...
September 26, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27568405/-anatomical-consideration-for-the-technique-of-nerve-sparing-during-radical-hysterectomy-for-cervical-cancer
#11
V Balaya, C Ngo, L Rossi, C Cornou, C Bensaid, R Douard, A S Bats, F Lecuru
Radical hysterectomy (RH) is an effective treatment for early-stage cervical cancer IA2 to IIA1 but RH is often associated with several significant complications such as urinary, anorectal and sexual dysfunction due to pelvic nerve injuries. Pelvic autonomic nerves including the superior hypogastric plexus (SHP), hypogastric nerves (HN), pelvic splanchnic nerves (PSN), sacral splanchnic nerves (SSN), inferior hypogastric plexus (IHP) and efferent branches of the IHP. We aimed to precise the neuroanatomy of the female pelvis in order to provide key-points of surgical anatomy to improve NSRH for cervical cancer...
September 2016: Gynécologie, Obstétrique & Fertilité
https://www.readbyqxmd.com/read/27435969/vertigo-with-sudden-hearing-loss-audio-vestibular-characteristics
#12
Jacob M Pogson, Rachael L Taylor, Allison S Young, Leigh A McGarvie, Sean Flanagan, G Michael Halmagyi, Miriam S Welgampola
Acute vertigo with sudden sensorineural hearing loss (SSNHL) is a rare clinical emergency. Here, we report the audio-vestibular test profiles of 27 subjects who presented with these symptoms. The vestibular test battery consisted of a three-dimensional video head impulse test (vHIT) of semicircular canal function and recording ocular and cervical vestibular-evoked myogenic potentials (oVEMP, cVEMP) to test otolith dysfunction. Unlike vestibular neuritis, where the horizontal and anterior canals with utricular function are more frequently impaired, 74 % of subjects with vertigo and SSNHL demonstrated impairment of the posterior canal gain (0...
October 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27382821/anesthetic-management-of-femoral-fracture-repair-in-a-patient-with-cervical-myelopathy-autonomic-dysfunction-and-difficult-airway
#13
Ajay R Vellore, Christopher B Robards, Steven R Clendenen
Spinal stenosis is a potentially serious condition that can lead to myelopathies and autonomic instability, both of which, as a result, may complicate anesthetic management. Additionally, neuraxial anesthesia appears to increase the risk of worsened neurological outcomes in this population. A 56-year-old female with spinal stenosis, autonomic dysfunction, and known difficult airway who required anesthesia for repair of a femur fracture is presented. After pre-operative arterial line and femoral block placement, an ultrasound guided subarachnoid block was safely placed...
February 2016: Middle East Journal of Anesthesiology
https://www.readbyqxmd.com/read/27167552/cardiovascular-effects-of-radiotherapy-on-the-patient-with-cancer
#14
Leonardo Augusto Robert Moreira, Eduardo Nani Silva, Mario Luiz Ribeiro, Wolney de Andrade Martins
The incidence of cancer (CA) has increased globally and radiotherapy (RT) is a vital component in its treatment. Cardiovascular injuries induced by RT in the treatment of thoracic and cervical CA have been causing problems in clinical practice for decades, and are among the most serious adverse effects of radiation experienced by the growing number of cancer survivors. This article presentes a review on the Lilacs, Scielo and Pubmed databases of the main cardiovascular injuries, their mechanisms, clinical presentations, treatments and prevention proposals...
April 2016: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/27137412/baroreceptor-reflex-during-forced-expiratory-maneuvers-in-individuals-with-chronic-spinal-cord-injury
#15
Bonnie E Legg Ditterline, Sevda C Aslan, David C Randall, Susan J Harkema, Alexander V Ovechkin
Pulmonary and cardiovascular dysfunctions are leading causes of morbidity and mortality in patients with chronic Spinal Cord Injury (SCI). Impaired respiratory motor function and decreased Baroreflex Sensitivity (BS) are predictors for the development of cardiopulmonary disease. This observational case-controlled clinical study was undertaken to investigate if respiratory motor control deficits in individuals with SCI affect their ability to perform the Valsalva maneuver, and to determine if a sustained Maximum Expiratory Pressure (MEP) effort can serve as an acceptable maneuver for determination of the BS in the event that the Valsalva maneuver cannot be performed...
July 15, 2016: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/27102649/cardiac-issues-in-adults-with-the-mucopolysaccharidoses-current-knowledge-and-emerging-needs
#16
REVIEW
Elizabeth Braunlin, Raymond Wang
The growing availability of innovative treatments for rare genetic diseases with a cardiac component-such as the mucopolysaccharidoses (MPSs)-has changed these syndromes from 'back of the textbook' curiosities of childhood to chronic, but rare, adult cardiac conditions that require both centres of expertise and knowledgeable subspecialists. The MPSs are inherited progressive lysosomal storage diseases, occurring in about 1:25 000 births and resulting from absence of functional hydrolases responsible for the degradation of glycosaminoglycans, naturally occurring complex sugars ubiquitous throughout the body...
August 15, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/27073353/cardiovascular-dysfunction-following-spinal-cord-injury
#17
REVIEW
Elizabeth Partida, Eugene Mironets, Shaoping Hou, Veronica J Tom
Both sensorimotor and autonomic dysfunctions often occur after spinal cord injury (SCI). Particularly, a high thoracic or cervical SCI interrupts supraspinal vasomotor pathways and results in disordered hemodynamics due to deregulated sympathetic outflow. As a result of the reduced sympathetic activity, patients with SCI may experience hypotension, cardiac dysrhythmias, and hypothermia post-injury. In the chronic phase, changes within the CNS and blood vessels lead to orthostatic hypotension and life-threatening autonomic dysreflexia (AD)...
February 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27040070/early-combined-treatment-with-steroid-and-immunoglobulin-is-effective-for-serious-kawasaki-disease-complicated-by-myocarditis-and-encephalopathy
#18
Kenichi Suga, Miki Inoue, Akemi Ono, Tomomasa Terada, Masami Kawahito, Kazuhiro Mori
Severe-type Kawasaki disease (KD) complicated by serious myocarditis and encephalopathy can be successfully treated without abnormality of the coronary arteries by steroid pulse treatment and intravenous immunoglobulin (IVIg). A 4-year-old Japanese girl was diagnosed with KD due to a 6-day history of fever, rash, flushed lips, conjunctival hyperemia, palmar edema, and cervical lymphadenopathy. The day after initiation of IVIg and aspirin, cardiac gallop rhythm was identified. Cardiac ultrasonography revealed severe left ventricular dysfunction...
2016: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/26671631/targeted-treatment-of-experimental-spinal-cord-glioma-with-dual-gene-engineered-human-neural-stem-cells
#19
Alexander E Ropper, Xiang Zeng, Hariprakash Haragopal, Jamie E Anderson, Zaid Aljuboori, Inbo Han, Muhammad Abd-El-Barr, Hong Jun Lee, Richard L Sidman, Evan Y Snyder, Mariano S Viapiano, Seung U Kim, John H Chi, Yang D Teng
BACKGROUND: There are currently no satisfactory treatments or experimental models showing autonomic dysfunction for intramedullary spinal cord gliomas (ISCG). OBJECTIVE: To develop a rat model of ISCG and investigate whether genetically engineered human neural stem cells (F3.hNSCs) could be developed into effective therapies for ISCG. METHODS: Immunodeficient/Rowett Nude rats received C6 implantation of G55 human glioblastoma cells (10K/each)...
September 2016: Neurosurgery
https://www.readbyqxmd.com/read/26364253/influence-of-vertebral-artery-blood-flow-research-outcomes-on-clinical-judgment
#20
R Grant
There has been substantial additional research into the effects of cervical movements on vertebral artery blood flow since 1988, when the APA first formalised a Protocol for Pre-Manipulative Testing of the Cervical Spine and recommended its use in patients with upper quarter dysfunction. The development of duplex Doppler ultrasound equipment with colour enhancement, which allows measurements of velocity and flow rate of vertebral artery blood flow, has resulted in a burgeoning of in-vivo blood flow studies.
2001: Australian Journal of Physiotherapy
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