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Guillain-barre in pregnancy

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https://www.readbyqxmd.com/read/29433695/zika-en-p%C3%A3-diatrie-que-retenir
#1
P Minodier
Zikavirus (ZV) is a flavivirus transmitted by Aedes mosquitoes' bites. Sexual transmission is possible. Common ZV infection is asymptomatic or associates flu-like signs. Guillain-Barre syndrome following ZV infection is rare. Foetal infection, during the first trimester of pregnancy especially, can lead to severe neurological troubles. Diagnosis relies on blood and urine RT-PCR during the acute phase, and serology later in the disease. ELISA assays false positives are reported among patients infected with another flavivirus, whereas sero-neutralization is more specific...
December 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29305550/comparison-of-four-serological-methods-and-two-rt-pcr-assays-for-diagnosis-and-surveillance-of-zika
#2
Angel Balmaseda, Jose Victor Zambrana, Damaris Collado, Nadezna Garcia, Saira Saborío, Douglas Elizondo, Juan Carlos Mercado, Karla Gonzalez, Cristhiam Cerpas, Andrea Nuñez, Davide Corti, Jesse J Waggoner, Guillermina Kuan, Raquel Burger-Calderon, Eva Harris
Zika virus (ZIKV) is a mosquito-borne flavivirus that is responsible for recent explosive epidemics in the Americas. Notably, ZIKV infection during pregnancy has been found to cause congenital birth defects, including microcephaly, and ZIKV has been associated with Guillain Barré Syndrome in adults. Diagnosis and surveillance of Zika in the Americas have been challenging due to similar clinical manifestations and extensive antibody cross-reactivity with endemic flaviviral diseases, like dengue. We evaluated four serological and two RT-PCR methods in acute (mean day 1...
January 5, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29288700/erythrosin-b-is-a-potent-and-broad-spectrum-orthosteric-inhibitor-of-the-flavivirus-ns2b-ns3-protease
#3
Zhong Li, Srilatha Sakamuru, Ruili Huang, Matthew Brecher, Cheri A Koetzner, Jing Zhang, Haiying Chen, Cheng-Feng Qin, Qing-Yu Zhang, Jia Zhou, Laura D Kramer, Menghang Xia, Hongmin Li
Many flaviviruses, such as Zika virus (ZIKV), Dengue virus (DENV1-4) and yellow fever virus (YFV), are significant human pathogens. Infection with ZIKV, an emerging mosquito-borne flavivirus, is associated with increased risk of microcephaly in newborns and Guillain-Barré syndrome and other complications in adults. Currently, specific therapy does not exist for any flavivirus infections. In this study, we found that erythrosin B, an FDA-approved food additive, is a potent inhibitor for flaviviruses, including ZIKV and DENV2...
December 27, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29181810/imaging-findings-in-congenital-zika-virus-infection-syndrome-an-update
#4
Andrea Silveira de Souza, Patrícia Soares de Oliveira-Szjenfeld, Adriana Suely de Oliveira Melo, Luis Alberto Moreira de Souza, Alba Gean Medeiros Batista, Fernanda Tovar-Moll
BACKGROUND: Zika virus (ZIKV) is a neurotropic and neurotoxic RNA Flavivirus prompt to cause severe fetal brain dysmorphisms during pregnancy, a period of rapid and critical central nervous system development. A wide range of clinico-radiological findings of congenital ZIKV infections were reported in the literature, such as microcephaly, overlapping sutures, cortical migrational and corpus callosum abnormalities, intracranial calcifications, ventriculomegaly, brain stem and cerebellar malformations, spinal cord involvement, and joint contractures...
November 27, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29126899/merimepodib-an-impdh-inhibitor-suppresses-replication-of-zika-virus-and-other-emerging-viral-pathogens
#5
Xiao Tong, Jeanon Smith, Natalya Bukreyeva, Takaaki Koma, John T Manning, Raj Kalkeri, Ann D Kwong, Slobodan Paessler
Zika virus (ZIKV), a member of the Flaviviridae family, has recently been linked to abnormal pregnancies, fetal death, microcephaly, and Guillain-Barré syndrome in humans. Merimepodib (MMPD, VX-497), a potent inhibitor of inosine-5'-monophosphate dehydrogenase (IMPDH), has shown antiviral activity against HCV and a variety of DNA and RNA viruses in vitro. In this report, we expand the antiviral spectrum of MMPD, and demonstrate that MMPD inhibits ZIKV RNA replication with an EC50 of 0.6 μM. Furthermore, MMPD reduces the virus production of ZIKV as well as several other important emerging viral pathogens such as Ebola, Lassa, Chikungunya, and Junin viruses...
January 2018: Antiviral Research
https://www.readbyqxmd.com/read/29096005/management-of-zika-virus-in-pregnancy-a-review
#6
Helen Perry, Asma Khalil, Emma Aarons, Katherine Russell, Patrick O'Brien
Introduction/background: Since 2015, an epidemic of Zika virus spread across the Americas. This coincided with an increased incidence of microcephaly reported at birth in Brazil, with subsequent evidence of a causal association. Sources of data: Systemic reviews, observational studies, public health organizations. Areas of agreement: Zika virus causes microcephaly and brain abnormalities in infants born to mothers infected during or shortly before pregnancy...
October 31, 2017: British Medical Bulletin
https://www.readbyqxmd.com/read/29093650/understanding-the-pathogenesis-of-zika-virus-infection-using-animal-models
#7
REVIEW
Keeton K Krause, Francine Azouz, Ok Sarah Shin, Mukesh Kumar
Zika virus (ZIKV) is a member of Flaviviridae family that has emerged as a pathogen of significant public health importance. The rapid expansion of ZIKV in the South and Central America has recently gained medical attention emphasizing the capacity of ZIKV to spread to non-endemic regions. ZIKV infection during pregnancy has been demonstrated to cause microcephaly and other fetal developmental abnormalities. An increased incidence of Guillain-Barre syndrome, an immune mediated neuropathy of the peripheral nervous system, has also been reported in ZIKV-infected patients in French Polynesia and Brazil...
October 2017: Immune Network
https://www.readbyqxmd.com/read/29026553/gitelman-syndrome-a-rare-life-threatening-case-of-hypokalemic-paralysis-mimicking-guillain-barr%C3%A3-syndrome-during-pregnancy-and-review-of-the-literature
#8
Abdelghafour Elkoundi, Noureddine Kartite, Mustapha Bensghir, Nawfal Doghmi, Salim Jaafar Lalaoui
In rare cases, patients with Gitelman syndrome may present with hypokalemic paralysis mimicking Guillain-Barré syndrome. The severity of resultant symptoms may be life-threatening. Controversial drugs such as aldactone, amiloride, and eplerenone should be used in this situation despite the lack of safety data.
October 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29024971/early-predictors-of-guillain-barr%C3%A3-syndrome-in-the-life-course-of-women
#9
Nathalie Auger, Caroline Quach, Jessica Healy-Profitós, Trish Dinh, Michaël Chassé
Background: We sought to determine if immune disorders early in life were associated with the later risk of Guillain-Barré syndrome, a neurological disorder thought to be infection-related. Methods: We conducted a longitudinal cohort study with 16 108 819 person-years of follow-up for a population of 1 108 541 parous women in Quebec, Canada (1989-2014). The outcome was Guillain-Barré syndrome. We identified women with potential risk factors for future Guillain-Barré syndrome, including immune-mediated and rheumatological diseases, cancer, transfusion, surgical procedures and pregnancy-specific disorders...
September 2, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28575919/zika-virus-infection-in-pregnant-women-and-microcephaly
#10
Geraldo Duarte, Antonio Fernandes Moron, Artur Timerman, César Eduardo Fernandes, Corintio Mariani Neto, Gutemberg Leão de Almeida Filho, Heron Werner Junior, Hilka Flavia Barra do Espírito Santo, João Alfredo Piffero Steibel, João Bortoletti Filho, Juvenal Barreto Borriello de Andrade, Marcelo Burlá, Marcos Felipe Silva de Sá, Newton Eduardo Busso, Paulo César Giraldo, Renato Augusto Moreira de Sá, Renato Passini Junior, Rosiane Mattar, Rossana Pulcineli Vieira Francisco
From the discovery of the Zika virus (ZIKV) in 1947 in Uganda (Africa), until its arrival in South America, it was not known that it would affect human reproductive life so severely. Today, damage to the central nervous system is known to be multiple, and microcephaly is considered the tip of the iceberg. Microcephaly actually represents the epilogue of this infection's devastating process on the central nervous system of embryos and fetuses. As a result of central nervous system aggression by the ZIKV, this infection brings the possibility of arthrogryposis, dysphagia, deafness and visual impairment...
May 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28491217/-guillain-barr%C3%A3-syndrome-and-diabetic-acido-ketotic-decompensation-during-pregnancy-a-case-report-and-review-of-the-literature
#11
REVIEW
Lilia Affes, Mouna Elleuch, Fatma Mnif, Faten Hadj Kacem, Dhouha Ben Salah, Mouna Mnif, Nadia Charfi, Nabila Rekik, Mohamed Abid
A 27-year-old pregnant woman was admitted to the resuscitation department with severe spontaneous acute ketoacidosis as early symptom of type 1 diabetes. The patient underwent resuscitation and insulin treatment with good clinical and biological evolution. On day 4, the patient had polyradiculoneuritis characterised by acute onset. Additional emergency examinations were negative. Lumbar cytopunction showed albuminocytologic dissociation. Electromyogram confirmed the diagnosis of Guillain Barré syndrome (GBS)...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28438080/guillain-barr%C3%A3-syndrome-in-pregnancy-a-case-report
#12
Misai Hukuimwe, Tawanda T Matsa, Muchabayiwa F Gidiri
Guillain-Barré syndrome is a rare condition in pregnancy which is characterised by symmetrical progressive ascending polyneuropathy. A case of a 16-year-old nulliparous woman who presented with rapidly progressive limb paralysis following an upper respiratory tract infection a week prior to presentation is discussed. She was intubated as she had developed respiratory failure and managed in the intensive care unit by a multidisciplinary team. Plasma exchange and intravenous immunoglobulin were not readily available so she was managed conservatively...
April 2017: Women's Health
https://www.readbyqxmd.com/read/28393598/-zika-virus-infection-in-pregnancy
#13
Gabriella Varjasi, Róbert Póka
The Zika virus is a flavivirus spread by mosquitoes. Its primary vectors are the Aedes aegypti and the Aedes albopictus. Before 2007 it sporadically caused benign morbidity. Since 2015, it started spreading "explosively" in America, especially in Brazil. In August 2016 they reported cases from New York and Poland, too. Most of the infections don't produce any symptoms, but can cause grave complications. The most important lesion is microcephalia that forms in fetuses. Microcephalia's most serious consequence is mental retardation, which puts great burden on both the family and the society...
April 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28375541/unravelling-the-paediatric-and-perinatal-zika-virus-epidemic-through-population-based-research
#14
Cdc Christie, C Giaquinto
Zika virus epidemic now involves 72 countries, worldwide. Transmission is multimodal through mosquito bites and blood and body fluids. Zika virus causes Guillain Barre Syndrome syndrome and pregnancy complications including perinatal microcephaly. Diagnosis is complicated by subclinical infection in 80%, co-circulation with dengue and chikungunya fevers with similar presentations and cross-reactivity in serological tests. There is no cure, or preventive vaccine. Large population-based studies will help to elucidate ZIKV epidemiology, vertical transmission, risks to the fetus of maternal ZIKV infection and natural history of congenital and non-congenital ZIKV infection as provided by the activities in the "ZIKAction" research consortium in Latin America, Europe and the Caribbean, which was recently funded by the European Commission...
September 19, 2016: West Indian Medical Journal
https://www.readbyqxmd.com/read/28370966/zika-infection-and-the-development-of-neurological-defects
#15
REVIEW
Fabiele Baldino Russo, Patricia Jungmann, Patricia Cristina Baleeiro Beltrão-Braga
Starting with the outbreak in Brazil, Zika virus (ZIKV) infection has been correlated with severe syndromes such as congenital Zika syndrome and Guillain-Barré syndrome. Here, we review the status of Zika virus pathogenesis in the central nervous system (CNS). One of the main concerns about ZIKV exposure during pregnancy is abnormal brain development, which results in microcephaly in newborns. Recent advances in in vitro research show that ZIKV can infect and obliterate cells from the CNS, such as progenitors, neurons, and glial cells...
June 2017: Cellular Microbiology
https://www.readbyqxmd.com/read/28358795/zika-virus-transmission-region-of-the-americas-may-15-2015-december-15-2016
#16
Juniorcaius Ikejezie, Craig N Shapiro, Jisoo Kim, Monica Chiu, Maria Almiron, Ciro Ugarte, Marcos A Espinal, Sylvain Aldighieri
Zika virus, a mosquito-borne flavivirus that can cause rash with fever, emerged in the Region of the Americas on Easter Island, Chile, in 2014 and in northeast Brazil in 2015 (1). In response, in May 2015, the Pan American Health Organization (PAHO), which serves as the Regional Office of the Americas for the World Health Organization (WHO), issued recommendations to enhance surveillance for Zika virus. Subsequently, Brazilian investigators reported Guillain-Barré syndrome (GBS), which had been previously recognized among some patients with Zika virus disease, and identified an association between Zika virus infection during pregnancy and congenital microcephaly (2)...
March 31, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28330900/adaptive-immune-responses-to-zika-virus-are-important-for-controlling-virus-infection-and-preventing-infection-in-brain-and-testes
#17
Clayton W Winkler, Lara M Myers, Tyson A Woods, Ronald J Messer, Aaron B Carmody, Kristin L McNally, Dana P Scott, Kim J Hasenkrug, Sonja M Best, Karin E Peterson
The recent association between Zika virus (ZIKV) and neurologic complications, including Guillain-Barré syndrome in adults and CNS abnormalities in fetuses, highlights the importance in understanding the immunological mechanisms controlling this emerging infection. Studies have indicated that ZIKV evades the human type I IFN response, suggesting a role for the adaptive immune response in resolving infection. However, the inability of ZIKV to antagonize the mouse IFN response renders the virus highly susceptible to circulating IFN in murine models...
May 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28293228/prevention-and-control-strategies-to-counter-zika-epidemic
#18
REVIEW
Irfan A Rather, Sanjay Kumar, Vivek K Bajpai, Jeongheui Lim, Yong-Ha Park
ZIKA virus (ZIKA) has now become a global phenomenon. Since 2007, evidence of ZIKA transmission has been reported over 72 countries and territories. The transmission of ZIKA has made World Health Organization to categorize the situation under the ambit of a health emergency. This situation is serious because there appears to be a highly tangible link between infection during pregnancy and the occurrence of microcephaly and Guillain-Barré syndrome. In the context of this emergency situation, this review article intends to discuss the prevention and control strategies such as avoiding travel to infected area, being careful from mosquito bites, take precautions to reduce the risk of sexual transmission, and seek medical care for any acute illness with rash or fever...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28280063/surveillance-report-of-zika-virus-among-canadian-travellers-returning-from-the-americas
#19
Andrea K Boggild, Jennifer Geduld, Michael Libman, Cedric P Yansouni, Anne E McCarthy, Jan Hajek, Wayne Ghesquiere, Yazdan Mirzanejad, Jean Vincelette, Susan Kuhn, Pierre J Plourde, Sumontra Chakrabarti, David O Freedman, Kevin C Kain
BACKGROUND: Widespread transmission of Zika virus in the Americas has occurred since late 2015. We examined demographic and travel-related characteristics of returned Canadian travellers with Zika infection acquired in the Americas to illuminate risk factors for acquisition and the clinical spectrum. METHODS: We analyzed demographic and travel-related data for returned Canadian travellers who presented to a CanTravNet site between October 2015 and September 2016 for care of Zika virus acquired in the Americas...
March 6, 2017: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/28243937/zika-virus-an-emerging-flavivirus
#20
REVIEW
Sang-Im Yun, Young-Min Lee
Zika virus (ZIKV) is a previously little-known flavivirus closely related to Japanese encephalitis, West Nile, dengue, and yellow fever viruses, all of which are primarily transmitted by blood-sucking mosquitoes. Since its discovery in Uganda in 1947, ZIKV has continued to expand its geographic range, from equatorial Africa and Asia to the Pacific Islands, then further afield to South and Central America and the Caribbean. Currently, ZIKV is actively circulating not only in much of Latin America and its neighbors but also in parts of the Pacific Islands and Southeast Asia...
March 2017: Journal of Microbiology / the Microbiological Society of Korea
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