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uremic encephalopathy

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https://www.readbyqxmd.com/read/28987167/nutritional-and-systemic-metabolic-disorders
#1
Serge Weis, Andreas Büttner
Vitamin deficiency disorders display a wide variety of neurologic signs and symptoms, the pathogenesis of which is not clearly understood. Metabolic encephalopathies (hepatic, hypoglycemic, and uremic) have to be considered in the differential diagnosis of patients with cognitive impairment, motor disturbances, psychiatric symptoms, seizures, and neuropathies. Calcifications (vascular wall and parenchymal) occur in the normal aging brain and in neurodegeneration; some associated genes are already described.
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28943538/hemolytic-uremic-syndrome-associated-encephalopathy-successfully-treated-with-corticosteroids
#2
Takashi Hosaka, Kiyotaka Nakamagoe, Akira Tamaoka
The encephalopathy that occurs in association with hemolytic uremic syndrome (HUS), which is caused by enterohemorrhagic Escherichia coli (E. coli), has a high mortality rate and patients sometimes present sequelae. We herein describe the case of a 20-year-old woman who developed encephalopathy during the convalescent stage of HUS caused by E.coli O26. Hyperintense lesions were detected in the pons, basal ganglia, and cortex on diffusion-weighted brain MRI. From the onset of HUS encephalopathy, we treated the patient with methylprednisolone (mPSL) pulse therapy alone...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28936101/acute-generalized-chorea-as-presenting-manifestation-of-uremic-encephalopathy
#3
Rohan R Mahale, Kiran Buddaraju, M S Gireesh, Purushottam Acharya, Rangasetty Srinivasa
No abstract text is available yet for this article.
August 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28893450/emergency-medicine-evaluation-and-management-of-the-end-stage-renal-disease-patient
#4
REVIEW
Brit Long, Alex Koyfman, Courtney M Lee
BACKGROUND: End stage renal disease (ESRD) is increasing in the U.S., and these patients demonstrate greater all-cause mortality, cardiovascular events, and hospitalization rates when compared to those with normal renal function. These patients may experience significant complications associated with loss of renal function and dialysis. OBJECTIVE: This review evaluates complications of ESRD including cardiopulmonary, neurologic, infectious disease, vascular, and access site complications, as well as medication use in this population...
September 5, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28799704/the-nature-consequences-and-management-of-neurological-disorders-in-chronic-kidney-disease
#5
REVIEW
Bahman Jabbari, Nosratola D Vaziri
Perhaps no other organ in the body is affected as often and in as many ways as the brain is in patients with chronic kidney disease (CKD). Several factors contribute to the neurological disorders in CKD including accumulation of uremic toxins, metabolic and hemodynamic disorders, oxidative stress, inflammation, and impaired blood brain barrier among others. The neurological disorders in CKD involve both peripheral and central nervous system. The peripheral neurological symptoms of CKD are due to somatic and cranial peripheral neuropathies as well as a myopathy...
August 11, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28789642/uremic-encephalopathy-with-isolated-brainstem-involvement-revealed-by-magnetic-resonance-image-a-case-report
#6
Li-Jing Jia, Zhen-Zhen Qu, Xue-Qian Zhang, Yu-Juan Tian, Ying Wang
BACKGROUND: Uremic Encephalopathy (UE) is a neurological complication associated with acute or chronic renal failure. Imaging findings of UE may present involvement of the basal ganglia, cortical or subcortical regions, and white matter. We report a rare case of UE caused by neurogenic bladder with isolated brainstem involvement revealed by magnetic resonance imaging (MRI). Immediate therapy resulted in full recovery of neurological signs and changes on MRI. CASE PRESENTATION: A 14-year-old Han Chinese woman with a history of chronic renal failure caused by neurogenic bladder...
August 8, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28779862/neurological-complications-of-renal-disease
#7
Jorge H Baluarte
Neurological manifestations related to electrolyte disorders, drug toxicity, and uremia are common in chronic kidney disease (CKD). Seizures and coma are frequent complications of acute renal insufficiency (uremia), whereas peripheral neuropathy and encephalopathy, observed in progressive uremia, are terminal events. Failure to excrete metabolic products causes their accumulation and can lead to severe intoxication. Clinically, the signs and symptoms of uremia can vary widely, depending on the biological characteristics of the patient, the specific type of renal disease, and the time of the uremic intoxication...
February 2017: Seminars in Pediatric Neurology
https://www.readbyqxmd.com/read/28597511/successful-treatment-of-enterohemorrhagic-escherichia-coli-induced-acute-encephalopathy-and-hemolytic-uremic-syndrome-with-polymyxin-b-direct-hemoperfusion
#8
LETTER
Hisashi Kaneda, Masaki Shimizu, Akihiro Yachie
No abstract text is available yet for this article.
August 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28570326/renal-disease-and-neurology
#9
Sara E Hocker
PURPOSE OF REVIEW: Neurologic dysfunction is prevalent in patients with acute and chronic renal disease and may affect the central nervous system, peripheral nervous system, or both. Neurologic manifestations may result directly from the uremic state or as a consequence of renal replacement therapy. Early recognition of neurologic dysfunction may provide opportunities for intervention and reduced morbidity. RECENT FINDINGS: Advances in the understanding of neurologic complications of renal disease and its treatments have led to more widespread recognition and earlier identification of encephalopathy syndromes such as cefepime neurotoxicity and posterior reversible encephalopathy syndrome (PRES), dramatic reductions in the incidence of dialysis disequilibrium syndrome and dialysis dementia, and improved survival in disorders such as von Hippel-Lindau disease and thrombotic thrombocytopenic purpura...
June 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28508968/dialysis-disequilibrium-leading-to-posterior-reversible-encephalopathy-syndrome-in-chronic-renal-failure
#10
Pratim Sengupta, Sumanta Biswas
Dialysis disequilibrium syndrome is a neurological adverse effect of acute hemodialysis in advanced uremic patients. Dialysis disequilibrium has a wide spectrum of clinical manifestations starting from subtle uneasiness, confusion, to florid and complex life threatening neurological deficit. In this case study, we present a patient who developed sudden cortical blindness following hemodialysis due to posterior reversible encephalopathy, which is a rare presentation of dialysis disequilibrium syndrome.
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28283851/serum-ferritin-as-an-indicator-of-the-development-of-encephalopathy-in-enterohemorrhagic-escherichia-coli-induced-hemolytic-uremic-syndrome
#11
Masaki Shimizu, Natsumi Inoue, Mondo Kuroda, Hitoshi Irabu, Maiko Takakura, Hisashi Kaneda, Naotoshi Sugimoto, Kazuhide Ohta, Akihiro Yachie
OBJECTIVES: To investigate the diagnostic value of serum ferritin levels as a marker of disease activity and the development of encephalopathy in hemolytic uremic syndrome (HUS) induced by enterohemorrhagic Escherichia coli. METHODS: Twenty patients with HUS were studied. Serum ferritin levels were compared with clinical features and serum soluble tumor necrosis factor receptor (sTNFR) I and sTNFRII levels. Serum sTNFRI and sTNFRII levels were quantified by enzyme-linked immunosorbent assays...
March 10, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28230102/identification-of-a-new-virulent-clade-in-enterohemorrhagic-escherichia-coli-o26-h11-h-sequence-type-29
#12
Nozomi Ishijima, Ken-Ichi Lee, Tomomi Kuwahara, Haruyuki Nakayama-Imaohji, Saori Yoneda, Atsushi Iguchi, Yoshitoshi Ogura, Tetsuya Hayashi, Makoto Ohnishi, Sunao Iyoda
Enterohemorrhagic Escherichia coli (EHEC) O26 infections cause severe human diseases such as hemolytic uremic syndrome and encephalopathy, and is the predominant serogroup among non-O157 EHEC in many countries. Shiga toxin (Stx), which consists of two distinct types (Stx1 and Stx2), plays a central role in EHEC pathogenesis. The major stx gene type in EHEC O26 strains is stx1, although isolates with only stx2 have emerged in Japan since 2012 and have been reported in Europe. In this study, we selected 27 EHEC O26 strains isolated in Japan and identified a distinct genetic clade within sequence type (ST) 29, designated ST29C1, that carried only stx2 and had the plasmid gene profile ehxA+/katP-/espP+/etpD-...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28208916/delirium-in-parkinson-s-disease-a-cocktail-diagnosis
#13
Robin George Manappallil
Mental disturbances have been described in patients with Parkinson's Disease (PD). Of these, the common conditions are delirium and psychosis. Delirium has been attributed to change of environment, especially hospital stay and infections; while psychosis is due to drugs like dopamine agonists. This is a case of a 75-year-old male, on levodopa therapy for PD, who presented with delirium and ended up with a cocktail diagnosis: Cryptococcal meningitis, Hashimoto's Encephalopathy (HE), Urinary tract infection with acute renal failure, Uremic encephalopathy and Levodopa induced psychosis...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28042026/dexamethasone-prevents-motor-deficits-and-neurovascular-damage-produced-by-shiga-toxin-2-and-lipopolysaccharide-in-the-mouse-striatum
#14
Alipio Pinto, Adriana Cangelosi, Patricia A Geoghegan, Jorge Goldstein
Shiga toxin 2 (Stx2) from enterohemorrhagic Escherichia coli (EHEC) causes bloody diarrhea and Hemolytic Uremic Syndrome (HUS) that may derive to fatal neurological outcomes. Neurological abnormalities in the striatum are frequently observed in affected patients and in studies with animal models while motor disorders are usually associated with pyramidal and extra pyramidal systems. A translational murine model of encephalopathy was employed to demonstrate that systemic administration of a sublethal dose of Stx2 damaged the striatal microvasculature and astrocytes, increase the blood brain barrier permeability and caused neuronal degeneration...
March 6, 2017: Neuroscience
https://www.readbyqxmd.com/read/27382021/affinity-based-screening-of-tetravalent-peptides-identifies-subtype-selective-neutralizers-of-shiga-toxin-2d-a-highly-virulent-subtype-by-targeting-a-unique-amino-acid-involved-in-its-receptor-recognition
#15
Takaaki Mitsui, Miho Watanabe-Takahashi, Eiko Shimizu, Baihao Zhang, Satoru Funamoto, Shinji Yamasaki, Kiyotaka Nishikawa
Shiga toxin (Stx), a major virulence factor of enterohemorrhagic Escherichia coli (EHEC), can be classified into two subgroups, Stx1 and Stx2, each consisting of various closely related subtypes. Stx2 subtypes Stx2a and Stx2d are highly virulent and linked with serious human disorders, such as acute encephalopathy and hemolytic-uremic syndrome. Through affinity-based screening of a tetravalent peptide library, we previously developed peptide neutralizers of Stx2a in which the structure was optimized to bind to the B-subunit pentamer...
September 2016: Infection and Immunity
https://www.readbyqxmd.com/read/27298664/posterior-reversible-encephalopathy-syndrome-in-henoch-schonlein-purpura-and-hemolytic-uremic-syndrome
#16
Kibriya Fidan, Yasar Kandur, Murat Ucar, Kivilcim Gucuyener, Oguz Soylemezoglu
Posterior reversible encephalopathy syndrome (PRES) is a clinico-radiological syndrome, composed of symptoms such as headache, seizures, visual disturbances, lethargy, confusion, stupor, focal neurologic findings and radiological findings of bilateral gray and white matter abnormalities suggestive of edema in the posterior regions of the cerebral hemispheres. PRES is associated with significant morbidity and mortality if it is not expeditiously recognized. Magnetic resonance image (MRI) represents the most sensitive imaging technique for recognizing PRES...
July 2016: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/27290022/uremic-encephalopathy-in-critical-care-does-it-exist-and-does-renal-replacement-therapy-improve-outcome
#17
M de Mos, E J Hoorn, D Dippel, J van Bommel
No abstract text is available yet for this article.
December 2015: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/27268285/tumor-necrosis-factor-%C3%AE-modifies-the-effects-of-shiga-toxin-on-glial-cells
#18
Hue Leu, Naotoshi Sugimoto, Masaki Shimizu, Tomoko Toma, Taizo Wada, Kunio Ohta, Akihiro Yachie
Shiga toxin (STX) is one of the main factors inducing hemorrhagic colitis and hemolytic-uremic syndrome (HUS) in infections with STX-producing Escherichia coli (STEC). Approximately 62% of patients with HUS showed symptoms of encephalopathy in the 2011 Japanese outbreak of STEC infections. At that time, we reported elevated serum concentrations of tumor necrosis factor (TNF)-α in patients with acute encephalopathy during the HUS phase. In the current study, we investigated whether TNF-α augments the effects of STX in glial cell lines and primary glial cells...
September 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27164646/mystery-case-syndrome-of-bilateral-basal-ganglia-lesions-in-uremic-encephalopathy
#19
Chirag Kamal Ahuja, Mukesh Kumar Yadav, Niranjan Khandelwal
No abstract text is available yet for this article.
April 26, 2016: Neurology
https://www.readbyqxmd.com/read/27127003/uremic-encephalopathy-mr-imaging-findings-and-clinical-correlation
#20
D M Kim, I H Lee, C J Song
BACKGROUND AND PURPOSE: Uremic encephalopathy is a metabolic disorder in patients with renal failure. The purpose of this study was to describe the MR imaging findings of uremic encephalopathy. MATERIALS AND METHODS: This study retrospectively reviewed MR imaging findings in 10 patients with clinically proved uremic encephalopathy between May 2005 and December 2014. Parameters evaluated were lesion location and appearance; MR signal intensity of the lesions on T1WI, T2WI, and T2 fluid-attenuated inversion recovery images; the presence or absence of restricted diffusion on diffusion-weighted images and apparent diffusion coefficient maps; and the reversibility of documented signal-intensity abnormalities on follow-up MR imaging...
September 2016: AJNR. American Journal of Neuroradiology
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