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Polyneuropathies

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https://www.readbyqxmd.com/read/28538254/acute-demyelinating-polyneuropathy-as-presentation-of-hereditary-neuropathy-with-liability-to-pressure-palsies-in-a-patient-who-exercised-regularly-in-the-army
#1
Malathi Perugula, Gulshan Uppal, Miguel Chuquilin
Acute generalized neuropathy as the presenting manifestation of hereditary neuropathy with liability to pressure palsies (HNPP) is rare. We report a 19-year-old Army recruit who exercised regularly for 9 months and presented with 2 weeks of numbness, tingling, and weakness in both upper and lower extremities, starting 2 weeks after influenza vaccination and 1 day after vigorous exercise. Based on acute onset, clinical examination and electrophysiological findings, Guillain-Barre syndrome was diagnosed, and intravenous immunoglobulin was administered with minimal improvement...
June 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/28532696/gastroduodenal-burkitt-lymphoma-presenting-as-demyelinating-polyneuropathy
#2
Peter D Snell, Kanak Das
No abstract text is available yet for this article.
May 19, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28531306/association-of-long-term-opioid-therapy-with-functional-status-adverse-outcomes-and-mortality-among-patients-with-polyneuropathy
#3
E Matthew Hoffman, James C Watson, Jennifer St Sauver, Nathan P Staff, Christopher J Klein
Importance: Polyneuropathy is one of the most common painful conditions managed within general and specialty clinics. Neuropathic pain frequently leads to decisions about using long-term opioid therapy. Understanding the association of long-term opioid use with functional status, adverse outcomes, and mortality among patients with polyneuropathy could influence disease-specific decisions about opioid treatment. Objectives: To quantify the prevalence of long-term opioid use among patients with polyneuropathy and to assess the association of long-term opioid use with functional status, adverse outcomes, and mortality...
May 22, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28527161/prognostic-indicators-of-response-to-plasmapheresis-in-patients-of-guillain-barre-syndrome
#4
H B Prasad, R T Borse, A N Avate, Assistant Professor In Medicine Palasdeokar
INTRODUCTION: Plasmapheresis is an important modality for the treatment of GBS. Moreover the response to this treatment modality is not same in all cases. We therefore studied the various prognostic indicators of response to plasmapheresis in patients of Guillain Barre Syndrome. MATERIAL AND METHODS: 40 patients were included in the study. Thorough clinical examination was done. Nerve conduction was done to find out the type of neuropathy. All were then given plasmapheresis...
April 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28527106/a-trans-acting-factor-may-modify-age-at-onset-in-familial-amyloid-polyneuropathy-attrv30m-in-portugal
#5
Miguel Alves-Ferreira, Teresa Coelho, Diana Santos, Jorge Sequeiros, Isabel Alonso, Alda Sousa, Carolina Lemos
Although all familial amyloid polyneuropathy (FAP) ATTRV30M patients carry the same causative mutation, early (<40) and late-onset forms (≥50 years) of FAP may coexist in the same family. However, this variability in age at onset is still unexplained. To identify modifiers closely linked to the TTR locus that may in part be associated with age at onset of FAP ATTRV30M, in particular in a group of very early-onset patients (≤30 years) when compared with late-onset individuals. A clinical genetic study at a referral center comprising a sample of 910 Portuguese individuals includes 589 Val30Met carriers, 102 spouses, and 189 controls from the general population...
May 19, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28523836/a-case-series-of-verrucae-vulgares-mimicking-hyperkeratosis-in-individuals-with-diabetic-foot-ulcers
#6
D R Quast, M A Nauck, F G Bechara, J J Meier
BACKGROUND: Diabetic foot ulcers are a common complication in the advanced stages of diabetes mellitus. Certain lesions may be refractory to usual treatments with prolonged healing. In these cases, differential diagnoses to classical ulcers should be considered. Although plantar warts are a common and easy-to-diagnose finding in the general population, diagnosis can be challenging in people with diabetic foot ulcers, as they mimic hyperkeratosis in these people. CASE REPORT: We report seven cases of people with diabetic foot ulcers and verrucae vulgares mimicking treatment-refractory hyperkeratosis, presenting to our centre between 2014 and 2016...
May 19, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28523235/effects-of-levodopa-carbidopa-intestinal-gel-versus-oral-levodopa-carbidopa-on-b-vitamin-levels-and-neuropathy
#7
Sebastian Loens, Elena Chorbadzhieva, Alexandra Kleimann, Dirk Dressler, Christoph Schrader
OBJECTIVES: To determine the possible interactions between levodopa therapy and plasma levels of B vitamins in patients with advanced idiopathic Parkinson's disease (IPD) in the context of either oral levodopa therapy or levodopa/carbidopa intestinal gel (LCIG). Secondly, to determine the prevalence of neuropathy and its relation to plasma levels of B vitamins and homocysteine. METHODS: Medication doses, neurographies, and serum levels of pyridoxine, cobalamin, folate, and homocysteine of eight LCIG and 13 orally treated advanced IPD patients matched for age, Hoehn & Yahr stage, and UPRDS III were collected...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28515269/effect-of-omega-3-supplementation-on-neuropathy-in-type-1-diabetes-a-12-month-pilot-trial
#8
Evan J H Lewis, Bruce A Perkins, Leif E Lovblom, Richard P Bazinet, Thomas M S Wolever, Vera Bril
OBJECTIVE: To test the hypothesis that 12 months of seal oil omega-3 polyunsaturated fatty acids (ω-3 PUFA) supplementation will stop the known progression of diabetic sensorimotor polyneuropathy (DSP) in type 1 diabetes mellitus (T1DM). METHODS: Individuals with T1DM and evidence of DSP as determined by a Toronto Clinical Neuropathy Score ≥1 were recruited to participate in a single-arm, open-label trial of seal oil ω-3 PUFA supplementation (10 mL·d(-1); 750 mg eicosapentaenoic acid, 560 mg docosapentaenoic acid, and 1,020 mg docosahexaenoic acid) for 1 year...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28512503/massive-oculomotor-nerve-enlargement-a-case-of-presumed-schwannomatosis
#9
Laura Donaldson, Ryan Rebello, Amadeo Rodriguez
A 45-year-old man presented with a slowly progressive pupil-involving third nerve palsy. Magnetic resonance imaging (MRI) revealed a tubular lesion extending from the interpeduncular cistern through the cavernous sinus and into the left orbit where it branched into a superior and an inferior division, clearly outlining the anatomy of the third cranial nerve. Multiple other, less pronounced, enlarged cranial nerves were noted. The differential diagnosis included chronic inflammatory demyelinating polyneuropathy (CIDP), hereditary motor and sensory neuropathy (HMSN), neurofibromatosis (NF), and schwannomatosis...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28511074/charcot-arthropathy-of-the-knee-after-unsuccessful-spinal-stenosis-surgery-a-case-report
#10
Melih Cıvan, Önder Yazıcıoğlu, Mehmet Çakmak, Turgut Akgül
INTRODUCTION: Charcot arthropathy was first described in 1868 by Jean Martin Charcot as a progressive and destructive joint disease. Diabetes, polyneuropathy, syphilis, syrengomyelia and chronic alcoholism are the main causes of the disease. In this study we present a Charcot arthropathy of the knee seen after unsuccessful spinal stenosis surgery. PRESENTATION OF CASE: We report here a case of 62 years old patient with Charcot arthropathy at her left knee developed one year after spinal stenosis surgery...
May 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28509084/whole-exome-sequencing-identifies-a-novel-homozygous-frameshift-mutation-in-the-mtmr2-gene-as-a-causative-mutation-in-a-patient-with-charcot-marie-tooth-disease-type-4b1
#11
Tameemi Abdalla-Moady, Amir Peleg, Orit Sadeh, Khader Badarneh, Fuad Fares
Charcot-Marie-Tooth (CMT) disease refers to a heterogeneous group of axonal and demyelinating polyneuropathies, characterized by chronic motor and sensory dysfunction. CMT is the most common genetic cause of neuropathy. The present study aimed to identify the gene mutation responsible for CMT in Ashkenazi Jew (AJ) patient. Genomic DNA was extracted from whole blood leukocytes of affected family and normal subject. Whole-exome sequencing was performed using the Illumina HiSeq2500. The DNA region containing the identified mutation was amplified by PCR and sequenced using dye-terminator chemistry and the forward primer...
May 16, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28508289/somatic-mosaicism-with-reversion-to-normality-of-a-mutated-transthyretin-allele-related-to-a-familial-amyloidotic-polyneuropathy
#12
Concetta Federico, Ketty Dugo, Francesca Bruno, Anna Maria Longo, Agata Grillo, Salvatore Saccone
Familial amyloidotic polyneuropathy (FAP) is a progressive neuropathy, with onset in adulthood and high mortality. It is related to an altered transthyretin (TTR) plasma protein, mainly produced by the liver and responsible for amyloid deposit in the peripheral nervous system. SNPs in the TTR gene were associated with FAP, and the G>C substitution (NM_000371.3:c.325G>C) in the 109th codon (GAG vs CAG; NP_362.1:p.E109Q) was previously described in Sicily (Italy). Here, we report on a Sicilian family with several patients affected by FAP related to the E109Q mutation, which displayed a somatic mosaicism with the reversion to normality of the c...
May 15, 2017: Human Genetics
https://www.readbyqxmd.com/read/28506346/-role-of-short-latency-somatosensory-evoked-potential-in-the-diagnosis-of-chronic-inflammatory-demyelinating-polyneuropathy
#13
Rui-Di Sun, Bing Fu, Jun Jiang
OBJECTIVE: To investigate the role of short-latency somatosensory evoked potential (SSEP) in the diagnosis of chronic inflammatory demyelinating polyneuropathy (CIDP). METHODS: A total of 48 children with a confirmed or suspected CIDP and 40 healthy children were enrolled. Nerve electrophysiological examination and/or SSEP examination was performed (the children in the healthy control group only underwent SSEP examination). Four-lead electromyography was used for nerve electrophysiological examination, including at least 4 motor nerves and 2 sensory nerves...
May 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28504110/neurological-consequences-of-obesity
#14
REVIEW
Phillipe D O'Brien, Lucy M Hinder, Brian C Callaghan, Eva L Feldman
The high prevalence of obesity is associated with an enormous medical, social, and economic burden. The metabolic dysfunction, dyslipidaemia, and inflammation caused by obesity contribute to the development of a wide variety of disorders and effects on the nervous system. In the CNS, mild cognitive impairment can be attributed to obesity-induced alterations in hippocampal structure and function in some patients. Likewise, compromised hypothalamic function and subsequent defects in maintaining whole-body energy balance might be early events that contribute to weight gain and obesity development...
June 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28503466/sonographic-findings-of-polyneuropathy-associated-with-cerebrotendinous-xanthomatosis-a-case-report
#15
Jung Yoon Yoon, Min-Wook Kim, Hyun Jung Do, Dae-Hyun Jang, Hee Won Lee
Cerebrotendinous xanthomatosis is a rare autosomal recessive disease that involves multiple organs, including the peripheral nervous system. The present study is the first to report the ultrasonographic findings of peripheral nerves in a patient with cerebrotendinous xanthomatosis. The patient presented with bilateral Achilles tendon enlargement and foot hypesthesia. Sonographic examination revealed hypoechoic, swollen peripheral nerves with enlarged bilateral Achilles tendons. Since the ultrasonographic findings revealed peripheral involvement, the diagnosis of cerebrotendinous xanthomatosis was established after laboratory and genetic studies along with clinical findings...
April 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28501163/on-line-immunoaffinity-solid-phase-extraction-capillary-electrophoresis-mass-spectrometry-using-fab%C3%A2-antibody-fragments-for-the-analysis-of-serum-transthyretin
#16
Laura Pont, Fernando Benavente, José Barbosa, Victoria Sanz-Nebot
This paper describes an on-line immunoaffinity solid-phase extraction capillary electrophoresis mass spectrometry (IA-SPE-CE-MS) method using an immunoaffinity sorbent with Fab' antibody fragments (Fab'-IA) for the analysis of serum transthyretin (TTR), a homotetrameric protein (Mr~56,000) involved in different types of amyloidosis. The IA sorbent was prepared by covalent attachment of Fab' fragments obtained from a polyclonal IgG antibody against TTR to succinimidyl silica particles. The Fab'-IA-SPE-CE-MS methodology was first established analyzing TTR standard solutions...
August 1, 2017: Talanta
https://www.readbyqxmd.com/read/28499718/family-amyloid-polyneuropathy-sympathetic-denervation-and-liver-transplantation
#17
Maria João Ferreira
No abstract text is available yet for this article.
May 9, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28497312/phenytoin-neuroprotection-or-neurotoxicity
#18
REVIEW
Jan M Keppel Hesselink, David J Kopsky
Phenytoin is an 80-year young molecule and new indications are still emerging. The neuroprotective potential of phenytoin has been evaluated for decades. Recently, a positive phase II trial supported its further development in the treatment of optic neuritis in multiple sclerosis. In 1942, however, peripheral neuritis was first reported to be an adverse event of phenytoin, and since then a small but steady stream of publications discussed peripheral polyneuropathy as being a possible adverse event of phenytoin...
May 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28495143/central-and-peripheral-nervous-system-immune-mediated-demyelinating-disease-after-allogeneic-hematopoietic-stem-cell-transplantation
#19
M I Stefanou, F Bischof
OBJECTIVE: We aimed to evaluate clinical and diagnostic features of central and peripheral immune-mediated demyelinating disease (CPID) in allogeneic hematopoietic stem cell transplantation (aHSCT) recipients. BACKGROUND: CPID refers to the late-onset, immune-mediated neurological complications following aHSCT, when other frequent differential diagnoses have been ruled out, and when symptoms and signs of systemic GvHD manifestations are absent. METHODS: Case records at the University of Tuebingen, between 2001 and 2015, were screened to identify patients with CPID after aHSCT...
June 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28490478/mixed-cryoglobulinemia-a-diagnostic-and-therapeutic-challenge
#20
Maria Túlio, Liliana Carvalho, Tiago Bana E Costa, Cristina Chagas
Mixed cryoglobulinemia is frequently secondary to hepatitis C virus infection. Diagnosis and therapeutic management are challenging, depending on the spectrum and severity of manifestations, as well as on the presence of comorbidities. We describe a case of a 79-year-old woman with a non-cirrhotic hepatitis C virus infection presenting with weakness, arthralgias, purpuric rash with left leg ulcerative lesions, bilateral peripheral sensorimotor polyneuropathy, renal impairment and cardiac failure. The investigation was compatible with a severe type II mixed cryoglobulinemia with multisystemic involvement, including a low-grade B cell lymphoma and concomitant intestinal tuberculosis...
May 10, 2017: BMJ Case Reports
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