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Guillain-barre in pregnancy

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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
#1
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...
March 22, 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
#2
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
#3
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
#4
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
https://www.readbyqxmd.com/read/28241773/zika-virus-infection-in-pregnancy-a-systematic-review-of-disease-course-and-complications
#5
REVIEW
Ezinne C Chibueze, Veronika Tirado, Katharina da Silva Lopes, Olukunmi O Balogun, Yo Takemoto, Toshiyuki Swa, Amarjargal Dagvadorj, Chie Nagata, Naho Morisaki, Clara Menendez, Erika Ota, Rintaro Mori, Olufemi T Oladapo
OBJECTIVES: To characterize maternal Zika virus (ZIKV) infection and complement the evidence base for the WHO interim guidance on pregnancy management in the context of ZIKV infection. METHODS: We searched the relevant database from inception until March 2016. Two review authors independently screened and assessed full texts of eligible reports and extracted data from relevant studies. The quality of studies was assessed using the Newcastle-Ottawa Scale (NOS) and the National Institute of Health (NIH) tool for observational studies and case series/reports, respectively...
February 28, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28231312/analysis-of-the-t-cell-response-to-zika-virus-and-identification-of-a-novel-cd8-t-cell-epitope-in-immunocompetent-mice
#6
Ryan D Pardy, Maaran M Rajah, Stephanie A Condotta, Nathan G Taylor, Selena M Sagan, Martin J Richer
Zika virus (ZIKV) is an emerging arbovirus of the Flaviviridae family. Although ZIKV infection is typically mild and self-limiting in healthy adults, infection has been associated with neurological symptoms such as Guillain-Barré syndrome, and a causal link has been established between fetal microcephaly and ZIKV infection during pregnancy. These risks, and the magnitude of the ongoing ZIKV pandemic, have created an urgent need for the development of animal models to study the immune response to ZIKV infection...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28217608/guillain-barr%C3%A3-syndrome-in-pregnancy-a-conservatively-managed-case
#7
T N M S Fernando, A M A S Ambanwala, Probhodana Ranaweera, Athula Kaluarachchi
Guillain-Barré syndrome (GBS) is an autoimmune disease. Estimated population incidence ranges from 0.62 to 2.66 cases per 100,000 person-years across all age groups. We report a case of GBS in a 22-year-old primigravida who presented at 36 weeks of the period of gestation (POG), with complaints of bilateral progressive lower limb numbness and weakness for 2 weeks duration. Magnetic resonance imaging of the brain was done to exclude other possible causes. Diagnosis of GBS was made according to the Brighton criteria, which our patient falls into Level 2...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28148798/animal-models-of-zika-virus-infection-pathogenesis-and-immunity
#8
Thomas E Morrison, Michael S Diamond
Zika virus (ZIKV) is an emerging mosquito-transmitted flavivirus that now causes epidemics affecting millions of people on multiple continents. The virus has reached global attention because of some of its unusual epidemiological and clinical features including persistent infection in the male reproductive tract and sexual transmission, an ability to cross the placenta during pregnancy and infect the developing fetus to cause congenital malformations, and its association with Guillain-Barré syndrome in adults...
February 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28045901/zika-virus-infection-as-a-cause-of-congenital-brain-abnormalities-and-guillain-barr%C3%A3-syndrome-systematic-review
#9
Fabienne Krauer, Maurane Riesen, Ludovic Reveiz, Olufemi T Oladapo, Ruth Martínez-Vega, Teegwendé V Porgo, Anina Haefliger, Nathalie J Broutet, Nicola Low
BACKGROUND: The World Health Organization (WHO) stated in March 2016 that there was scientific consensus that the mosquito-borne Zika virus was a cause of the neurological disorder Guillain-Barré syndrome (GBS) and of microcephaly and other congenital brain abnormalities based on rapid evidence assessments. Decisions about causality require systematic assessment to guide public health actions. The objectives of this study were to update and reassess the evidence for causality through a rapid and systematic review about links between Zika virus infection and (a) congenital brain abnormalities, including microcephaly, in the foetuses and offspring of pregnant women and (b) GBS in any population, and to describe the process and outcomes of an expert assessment of the evidence about causality...
January 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28034741/identification-of-novel-small-molecule-inhibitors-against-ns2b-ns3-serine-protease-from-zika-virus
#10
Hyun Lee, Jinhong Ren, Salvatore Nocadello, Amy J Rice, Isabel Ojeda, Samuel Light, George Minasov, Jason Vargas, Dhanapalan Nagarathnam, Wayne F Anderson, Michael E Johnson
Zika flavivirus infection during pregnancy appears to produce higher risk of microcephaly, and also causes multiple neurological problems such as Guillain-Barré syndrome. The Zika virus is now widespread in Central and South America, and is anticipated to become an increasing risk in the southern United States. With continuing global travel and the spread of the mosquito vector, the exposure is expected to accelerate, but there are no currently approved treatments against the Zika virus. The Zika NS2B/NS3 protease is an attractive drug target due to its essential role in viral replication...
March 2017: Antiviral Research
https://www.readbyqxmd.com/read/27908907/importance-of-diagnostic-work-up-of-guillain-barr%C3%A3-syndrome-in-pregnancy
#11
Elza Pollak-Christian, Kyong-Soon Lee
We report a full-term neonate presenting with symptomatic congenital cytomegalovirus (CMV) infection with hepatosplenomegaly, 'blueberry muffin' rash, intracranial calcifications, thrombocytopenia and respiratory distress. Maternal history was relevant for Guillain-Barré syndrome (GBS) during the first trimester of pregnancy. CMV infection is an important cause of GBS; thus, women presenting GBS during pregnancy should be screened for CMV infection. If positive, they may benefit from specialised monitoring and treatment in the antenatal period, which may decrease the risk of major neurodevelopmental sequelae of congenital CMV in the neonate...
December 1, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27902502/zika-virus-and-patient-blood-management
#12
Lawrence T Goodnough, Marisa B Marques
Sporadic Zika virus infections had only occurred in Africa and Asia until an outbreak in Micronesia (Oceania) in 2007. In 2013 to 2014, several outer Pacific Islands reported local outbreaks. Soon thereafter, the virus was likely introduced in Brazil from competing athletes from French Polynesia and other countries that participated in a competition there. Transmission is thought to have occurred through mosquito bites and spread to the immunologically naive population. Being also a flavivirus, the Zika virus is transmitted by the Aedes mosquito that is endemic in South and Central America that is also the vector of West Nile virus, dengue, and chikungunya...
January 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27893080/travel-associated-zika-virus-disease-acquired-in-the-americas-through-february-2016-a-geosentinel-analysis
#13
Davidson H Hamer, Kira A Barbre, Lin H Chen, Martin P Grobusch, Patricia Schlagenhauf, Abraham Goorhuis, Perry J J van Genderen, Israel Molina, Hilmir Asgeirsson, Phyllis E Kozarsky, Eric Caumes, Stefan H Hagmann, Frank P Mockenhaupt, Gilles Eperon, Elizabeth D Barnett, Emmanuel Bottieau, Andrea K Boggild, Philippe Gautret, Noreen A Hynes, Susan Kuhn, R Ryan Lash, Karin Leder, Michael Libman, Denis J M Malvy, Cecilia Perret, Camilla Rothe, Eli Schwartz, Annelies Wilder-Smith, Martin S Cetron, Douglas H Esposito
Background: Zika virus has spread rapidly in the Americas and has been imported into many nonendemic countries by travelers. Objective: To describe clinical manifestations and epidemiology of Zika virus disease in travelers exposed in the Americas. Design: Descriptive, using GeoSentinel records. Setting: 63 travel and tropical medicine clinics in 30 countries. Patients: Ill returned travelers with a confirmed, probable, or clinically suspected diagnosis of Zika virus disease seen between January 2013 and 29 February 2016...
January 17, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/27845968/epidemiology-of-zika
#14
Carmen C Deseda
PURPOSE OF REVIEW: Zika virus (ZIKV) is the latest 'emerging virus' that has affected the Americas. First identified in the mid-20th century in Uganda, it was described as a vector arthropod-borne virus (arbovirus) and subsequently found capable of producing illness in humans. The illness was not different from other flavivirus infections and caused a relatively mild disease characterized by low-grade fever, nonspecific exanthem, nonpurulent conjunctivitis, and mild to moderate arthralgia...
February 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27832051/incidence-of-zika-virus-disease-by-age-and-sex-puerto-rico-november-1-2015-october-20-2016
#15
Matthew Lozier, Laura Adams, Mitchelle Flores Febo, Jomil Torres-Aponte, Melissa Bello-Pagan, Kyle R Ryff, Jorge Munoz-Jordan, Myriam Garcia, Aidsa Rivera, Jennifer S Read, Stephen H Waterman, Tyler M Sharp, Brenda Rivera-Garcia
Zika virus is a flavivirus transmitted primarily by Aedes species mosquitoes; symptoms of infection include rash, arthralgia, fever, and conjunctivitis.*(,)(†) Zika virus infection during pregnancy can cause microcephaly and other serious brain anomalies (1), and in rare cases, Zika virus infection has been associated with Guillain-Barré syndrome (2) and severe thrombocytopenia (3). This report describes the incidence of reported symptomatic Zika virus disease in the U.S. territory of Puerto Rico by age and sex...
November 11, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27741183/guillain-barr%C3%A3-syndrome-in-pregnancy
#16
Luis D Pacheco, Antonio F Saad, Gary D V Hankins, Giuseppe Chiosi, George Saade
Guillain-Barré syndrome has been reported in pregnancy and is a potentially lethal condition. It affects the nervous system with acute onset of symmetric ascending weakness and may result in frank respiratory failure and autonomic dysfunction. Most patients recall symptoms of a respiratory or gastrointestinal illness in the weeks preceding the onset of weakness. Recent evidence suggests a potential role of the Zika virus as a trigger for the syndrome. The diagnosis of Guillain-Barré is clinical. Supportive measures include venous thromboembolism prophylaxis, aggressive physical therapy, pressure ulcer prevention, enteral nutrition, and respiratory support...
November 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27711041/characteristics-of-children-aged-18-years-with-zika-virus-disease-acquired-postnatally-u-s-states-january-2015-july-2016
#17
Alyson B Goodman, Eric J Dziuban, Krista Powell, Rebecca H Bitsko, Gayle Langley, Nicole Lindsey, Jessica L Franks, Kate Russell, Sharoda Dasgupta, Wanda D Barfield, Erika Odom, Emily Kahn, Stacey Martin, Marc Fischer, J Erin Staples
Zika virus is an emerging mosquito-borne flavivirus that typically causes an asymptomatic infection or mild illness, although infection during pregnancy is a cause of microcephaly and other serious brain abnormalities. Guillain-Barré syndrome and other neurologic complications can occur in adults after Zika virus infection. However, there are few published reports describing postnatally acquired Zika virus disease among children. During January 2015-July 2016, a total of 158 cases of confirmed or probable postnatally acquired Zika virus disease among children aged <18 years were reported to CDC from U...
October 7, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27650823/origin-of-the-zika-virus-revealed-a-historical-journey-across-the-world
#18
Stephanie Mlacker, Golsa Shafa, Adam S Aldahan, Vidhi V Shah, Sahal Samarkandy, Keyvan Nouri
BACKGROUND: Zika virus (ZIKV) is an arbovirus within the Flaviviridae family, the recent spread of which has promoted public concern. METHODS: This study outlines the clinical features, potential for teratogenicity, diagnosis, and treatment of ZIKV infection. RESULTS: Zika virus is transmitted through the bite of an infected Stegomyia (= Aedes) mosquito, blood transfusion, sexual intercourse, and perinatal routes. Infection has been characterized as mildly symptomatic...
December 2016: International Journal of Dermatology
https://www.readbyqxmd.com/read/27631604/zika-virus-disease-cases-50-states-and-the-district-of-columbia-january-1-july-31-2016
#19
William L Walker, Nicole P Lindsey, Jennifer A Lehman, Elisabeth R Krow-Lucal, Ingrid B Rabe, Susan L Hills, Stacey W Martin, Marc Fischer, J Erin Staples
Zika virus is a mosquito-borne flavivirus primarily transmitted to humans by Aedes aegypti mosquitoes (1). Zika virus infections have also been documented through intrauterine transmission resulting in congenital infection; intrapartum transmission from a viremic mother to her newborn; sexual transmission; blood transfusion; and laboratory exposure (1-5). Most Zika virus infections are asymptomatic (1,6). Clinical illness, when it occurs, is generally mild and characterized by acute onset of fever, maculopapular rash, arthralgia, or nonpurulent conjunctivitis...
September 16, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/27618294/epidemiology-virology-and-pathogenesis-of-the-zika-virus-from-neglected-tropical-disease-to-a-focal-point-of-international-attention
#20
David A Schirmer, Jennifer Fay Kawwass
Over the past year, the Zika virus, an arthropod-borne Flavivirus, has transitioned from a relatively unknown tropical disease to the cause of a public health emergency. The Zika virus is transmitted by the Aedes species of mosquito as well as by sexual intercourse. Although the symptoms of acute Zika virus infection are usually mild and self-limited, it causes fetal microcephaly in pregnant women, and is associated with an increased risk of Guillain-Barré syndrome. The risk of microcephaly from Zika virus infection is estimated to be highest in women who are infected during the first trimester of pregnancy...
September 2016: Seminars in Reproductive Medicine
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