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Flaccid paralysis

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https://www.readbyqxmd.com/read/29769724/structural-basis-for-gating-pore-current-in-periodic-paralysis
#1
Daohua Jiang, Tamer M Gamal El-Din, Christopher Ing, Peilong Lu, Régis Pomès, Ning Zheng, William A Catterall
Potassium-sensitive hypokalaemic and normokalaemic periodic paralysis are inherited skeletal muscle diseases characterized by episodes of flaccid muscle weakness1,2 . They are caused by single mutations in positively charged residues ('gating charges') in the S4 transmembrane segment of the voltage sensor of the voltage-gated sodium channel Nav 1.4 or the calcium channel Cav 1.11,2 . Mutations of the outermost gating charges (R1 and R2) cause hypokalaemic periodic paralysis1,2 by creating a pathogenic gating pore in the voltage sensor through which cations leak in the resting state3,4 ...
May 16, 2018: Nature
https://www.readbyqxmd.com/read/29763627/evaluation-of-minion-nanopore-sequencing-for-rapid-enterovirus-genotyping
#2
Emily Rames, Joanne Macdonald
Enteroviruses (EV) are associated with a range of serious infections, including aseptic meningitis, hand foot and mouth disease, myocarditis, acute flaccid paralysis and encephalitis. Improved methods for assessing EV genotypic diversity could assist molecular epidemiology studies, clinical diagnosis and environmental surveillance. We report new methods for EV genome amplification, and subsequent genotyping using the miniaturised MinION sequencing device. Importantly, this next-generation sequencer enabled correct strain-level assignment of identity for the EV-A71 isolate assessed, where strains with up to 99...
May 12, 2018: Virus Research
https://www.readbyqxmd.com/read/29759074/dengue-fever-complicated-with-guillain-barr%C3%A3-syndrome-a-case-report-and-review-of-the-literature
#3
Chamara Dalugama, John Shelton, Mahendra Ekanayake, Indika Bandara Gawarammana
BACKGROUND: Dengue is an arboviral infection classically presenting with fever, arthralgia, headache, and rashes. It is hyperendemic in Sri Lanka and has a major impact on health. Neurological complications of dengue fever are rare but have been reported in the literature. CASE PRESENTATION: A 60-year-old Sri Lankan man presented with a history of fever, arthralgia, and generalized malaise of 2 days duration. A diagnosis of dengue was confirmed with leukopenia, thrombocytopenia, and positive NS1 antigen done on day 2 without evidence of hemoconcentration...
May 15, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29752239/development-of-an-ankle-foot-orthosis-that-provides-support-for-flaccid-paretic-plantarflexor-and-dorsiflexor-muscles
#4
Dymphy van der Wilk, Roy Reints, Klaas Postema, Tom Gort, Jaap Harlaar, Juha Markus Hijmans, Gijsbertus Jacob Verkerke
ADJUST, a novel ankle-foot orthosis (AFO) that we have developed, allows the ankle a normal range of motion (ROM) while providing support for flaccid ankle-muscle paresis. It consists of two leaf-spring hinges that independently control plantarflexion and dorsiflexion stiffness. To evaluate whether ADJUST meets the minimum mechanical requirements, we quantified its ankle ROM and stiffness. To evaluate whether it meets the minimum ankle kinematic and kinetic goals for normal gait, a patient with both plantarflexor and dorsiflexor paralysis used it, and his own AFO, to walk...
May 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29742645/a-teenager-with-acute-flaccid-paralysis
#5
Shalini Mittal, Yolanda Tejeda, John Luce, Brian P Lee
No abstract text is available yet for this article.
May 4, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29720077/australian-paediatric-surveillance-unit-annual-report-2016
#6
Marie Deverell, Amy Phu, Yvonne Zurynski, Elizabeth Elliott
This report summarises the cases reported to the Australian Paediatric Surveillance Unit (APSU) of rare infectious diseases or rare complications of more common infectious diseases in children. During the calendar year 2016, there were approximately 1500 paediatricians reporting to the APSU and the monthly report card return rate was 90%. APSU continued to provide unique national data on the perinatal exposure to HIV, congenital rubella, congenital cytomegalovirus, neonatal and infant herpes simplex virus, and congenital and neonatal varicella...
September 1, 2017: Communicable Diseases Intelligence Quarterly Report
https://www.readbyqxmd.com/read/29720076/paediatric-active-enhanced-disease-surveillance-paeds-annual-report-2015-prospective-hospital-based-surveillance-for-serious-paediatric-conditions
#7
Jocelynne E McRae, Helen E Quinn, Kristine Macartney
Introduction: The Paediatric Active Enhanced Disease Surveillance (PAEDS) network is a hospital-based active surveillance system employing prospective case ascertainment for selected serious childhood conditions, particularly vaccine preventable diseases and potential adverse events following immunisation (AEFI). PAEDS data is used to better understand these conditions, inform policy and practice under the National Immunisation Program, and enable rapid public health responses for certain conditions of public health importance...
September 1, 2017: Communicable Diseases Intelligence Quarterly Report
https://www.readbyqxmd.com/read/29708482/abundance-of-enterovirus-c-in-rd-l20b-cell-culture-negative-stool-samples-from-acute-flaccid-paralysis-cases-in-nigeria-is-geographically-defined
#8
Emmanuel Donbraye, Oluwatayo Israel Olasunkanmi, Babatunde Ayoola Opabode, Temitayo Rachael Ishola, Temitope Oluwasegun Cephas Faleye, Olubusuyi Moses Adewumi, Johnson Adekunle Adeniji
PURPOSE: We recently showed that enteroviruses (EVs) andenterovirus species C (EV-C) in particular were abundant in faecal samples from children who had been diagnosed with acute flaccid paralysis (AFP) in Nigeria but declared to be EV-free by the RD-L20B cell culture-based algorithm. In this study, we investigated whether this observed preponderance of EVs (and EV-Cs) in such samples varies by geographical region. METHODOLOGY: One hundred and eight samples (i.e...
April 30, 2018: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29699577/the-detection-of-3-ambiguous-type-2-vaccine-derived-polioviruses-vdpv2s-in-uganda
#9
Mary Bridget Nanteza, Barnabas Bakamutumaho, Annet Kisakye, Prossy Namuwulya, Henry Bukenya, Edson Katushabe, Josephine Bwogi, Charles Rutebarika Byabamazima, Raffaella Williams, Nicksy Gumede
BACKGROUND: The Oral Polio Vaccine (OPV or Sabin) is genetically unstable and may mutate to form vaccine-derived polioviruses (VDPVs). METHODS: In 2014, two VDPVs type 2 were identified during routine surveillance of acute flaccid paralysis (AFP) cases. Consequently, a retrospective VDPV survey was conducted to ensure that there was no circulating VDPV in the country. All Sabin poliovirus isolates identified in Uganda 6 months before and 6 months after were re-screened; Sabin 1 and 3 polioviruses were re-screened for Sabin 2 and Sabin 2 polioviruses were re-screened for VDPVs type 2...
April 27, 2018: Virology Journal
https://www.readbyqxmd.com/read/29681203/the-immunotherapy-of-guillain-barr%C3%A3-syndrome
#10
Paula Restrepo-Jiménez, Yhojan Rodríguez, Paulina González, Christopher Chang, M Eric Gershwin, Juan-Manuel Anaya
Guillain-Barré syndrome is the most common cause of acute flaccid paralysis worldwide. Microorganisms such as Campylobacter jejuni, Cytomegalovirus, Epstein-Barr virus, Mycoplasma pneumoniae, Haemophilus influenzae and Zika virus have been linked to the disease. The most common clinical variants are acute inflammatory demyelinating polyneuropathy and acute motor axonal neuropathy. Plasma exchange and intravenous immunoglobulins are the standard therapy for the disease. Areas covered: research to elucidate the pathophysiology of Guillain-Barré syndrome has led to the development of drugs directed towards new potential therapeutic targets...
May 8, 2018: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29649187/surveillance-to-track-progress-toward-polio-eradication-worldwide-2016-2017
#11
Tracie J Gardner, Ousmane M Diop, Jaume Jorba, Smita Chavan, Jamal Ahmed, Abhijeet Anand
Global efforts to eradicate polio began in 1988, and four of the six World Health Organization (WHO) regions currently have achieved poliofree certification. Within the remaining two regions with endemic poliomyelitis (African and Eastern Mediterranean), Afghanistan, Nigeria, and Pakistan have never interrupted transmission of wild poliovirus (WPV). The primary means of detecting poliovirus transmission is surveillance for acute flaccid paralysis (AFP) among children aged <15 years, combined with collection and testing of stool specimens for detection of WPV and vaccine-derived polioviruses (VDPVs)* in WHO-accredited laboratories within the Global Polio Laboratory Network (GPLN) (1,2)...
April 13, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29625811/further-characterization-of-capos-caos-syndrome-with-the-glu818lys-mutation-in-the-atp1a3-gene-a-case-report
#12
Takuya Hayashida, Yoshiaki Saito, Atsushi Ishii, Shinichi Hirose, Rika Hiraiwa, Yoshihiro Maegaki, Kousaku Ohno
A 38-year-old female patient experienced recurrent episodes of neurological deterioration during febrile illness at the age of 7 and 8 months, and 2, 4, and 37 years. Acute symptoms comprised unconsciousness, headache, abnormal ocular movements, flaccid paralysis with areflexia, ataxia, dysphagia, and movement disorders. Each episode of neurological deterioration was followed by partial recovery with residual symptoms of progressive disturbance of visual acuity with optic atrophy and hearing loss, moderate intellectual disability, strabismus, ophthalmoplegia, as well as fluctuating degree of gait ataxia, chorea, tremor, and myoclonus...
April 3, 2018: Brain & Development
https://www.readbyqxmd.com/read/29621372/outcomes-from-lateral-eyelid-coupling-for-facial-paralysis-using-the-modified-tarsoconjunctival-flap
#13
Raj Dedhia, Tsung-Yen Hsieh, Oliver Chin, Taha Z Shipchandler, Travis T Tollefson
Importance: In the setting of facial paralysis, inadequate eyelid closure and lower eyelid ectropion can lead to corneal exposure and impaired quality of life. Repair of paralytic ectropion is challenging, and an ideal surgical approach for all cases has not been identified. Objective: To assess the patient-reported outcomes and eyelid position improvement in patients with flaccid facial paralysis undergoing lateral eyelid coupling with a tarsal strip canthoplasty and modified tarsoconjunctival flap to correct eyelid malposition...
April 5, 2018: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/29620089/adult-case-of-acute-flaccid-paralysis-with-enterovirus-d68-detected-in-the-csf
#14
Keishi Kimura, Takao Fukushima, Naoko Katada, Hiroyuki Shimizu, Tomofumi Nakamura, Tsuguto Fujimoto, Nozomu Hanaoka, Keiko Tanaka-Taya, Kunihiko Makino
No abstract text is available yet for this article.
October 2017: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/29620087/sensory-and-autonomic-involvement-in-west-nile-virus-associated-acute-flaccid-paralysis
#15
Adrian Budhram, Manas Sharma, Basavaraj Shettar, Seyed M Hosseini-Moghaddam, Alexander V Khaw
No abstract text is available yet for this article.
October 2017: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/29615986/whole-genome-sequencing-and-multiplex-qpcr-methods-to-identify-campylobacter-jejuni-encoding-cst-ii-or-cst-iii-sialyltransferase
#16
Jason M Neal-McKinney, Kun C Liu, Karen C Jinneman, Wen-Hsin Wu, Daniel H Rice
Campylobacter jejuni causes more than 2 million cases of gastroenteritis annually in the United States, and is also linked to the autoimmune sequelae Guillan-Barre syndrome (GBS). GBS often results in flaccid paralysis, as the myelin sheaths of nerve cells are degraded by the adaptive immune response. Certain strains of C. jejuni modify their lipooligosaccharide (LOS) with the addition of neuraminic acid, resulting in LOS moieties that are structurally similar to gangliosides present on nerve cells. This can trigger GBS in a susceptible host, as antibodies generated against C...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29613895/infectious-myelopathies
#17
Marie F Grill
PURPOSE OF REVIEW: This article reviews bacterial, viral, fungal, and parasitic pathogens associated with myelopathy. Infectious myelopathies may be due to direct infection or parainfectious autoimmune-mediated mechanisms; this article focuses primarily on the former. RECENT FINDINGS: Some microorganisms exhibit neurotropism for the spinal cord (eg, enteroviruses such as poliovirus and flaviviruses such as West Nile virus), while others are more protean in neurologic manifestations (eg, herpesviruses such as varicella-zoster virus), and others are only rarely reported to cause myelopathy (eg, certain fungal and parasitic infections)...
April 2018: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/29603352/comparison-of-symmetry-after-smile-reconstruction-for-flaccid-facial-paralysis-with-combined-fascia-lata-grafts-and-functional-gracilis-transfer-for-static-suspension-or-gracilis-transfer-alone
#18
Jurij Kiefer, David Braig, Jan R Thiele, Holger Bannasch, G Björn Stark, Steffen U Eisenhardt
PURPOSE: Facial paralysis has a profound impact on functionality and esthetics of the oral region. In patients with strong skin laxity and soft tissue ptosis, functional smile reconstruction is challenging due to the accentuated asymmetry at rest. Thus, the purpose of the study was to analyze facial symmetry in this patient clientele following a combination of dynamic reanimation with fascial strips for static suspension compared to functional gracilis transfer alone. METHODS: In 2014, we altered the single-stage approach for microsurgical smile reconstruction in patients with significant soft tissue ptosis by adding fascia lata grafts for static support...
March 30, 2018: Microsurgery
https://www.readbyqxmd.com/read/29587642/guillain-barre-syndrome-associated-with-hemorrhagic-fever-with-renal-syndrome-in-china-a-case-report
#19
Jie Jiao, Lei Wu, Jianyuan Yin, Xiaojiao Quan, Wei Chen, Jie Hu
BACKGROUND: We describe a case of Guillain-Barre syndrome (GBS) associated with hemorrhagic fever with renal syndrome. To our knowledge, only five cases of GBS associated with Hantavirus infection have been reported so far. CASE PRESENTATIONS: A 62-year-old man presented intermittent fever, chill and oliguria. According to remarkable leukocytosis, atypical lymphocytes, thrombocytopenia and former dwelling in hemorrhagic fever-endemic area, he was suspected as hemorrhagic fever with renal syndromeand certified with positive Hantavirus IgG...
March 27, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29560019/a-case-of-anterior-spinal-artery-syndrome-caused-by-streptococcus-mitis-endocarditis
#20
Aria Mahtabfar, Hamoon Eshraghi, Melroy D'Souza, William Berrigan, Kathleen Casey
Background: Infectious endocarditis (IE) typically occurs in the setting of intravenous drug use, prosthetic heart valves, or rheumatic heart disease. However, there are a few reports of IE occurring in the setting of immunosuppression secondary to cancer and/or chemotherapy. Here, we present a case of a cancer patient who developed anterior spinal artery (ASA) syndrome secondary to a septic embolus from IE. Case Presentation: A 78-year-old male with a history of gastroesophageal cancer treated with chemotherapy and radiation presented to the hospital after a fall at home...
2018: Case Reports in Medicine
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