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Zika and pregnancy

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https://www.readbyqxmd.com/read/29325155/sleep-findings-in-brazilian-children-with-congenital-zika-syndrome
#1
Luciana Pinato, Erlane M Ribeiro, Rebeka F P Leite, Thayse F Lopes, André L S Pessoa, Leila M Guissoni Campos, Giovanna E Piffer, Ana L D M Souza, Célia M Giacheti
Study Objectives: Zika virus infection during pregnancy may result in congenital Zika syndrome (CZS), whose characteristics are being described. Methods: The present study aimed to investigate the sleep characteristics of 136 infants/toddlers (88 with CZS and 48 with typical development (TD), age and gender matched, 60% girls and 40% boys in both groups) using the Brief Infant Sleep Questionnaire. The ages of children in both groups ranged from 5 to 24 months (CZS 15...
January 6, 2018: Sleep
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/29305462/type-i-interferons-instigate-fetal-demise-after-zika-virus-infection
#3
Laura J Yockey, Kellie A Jurado, Nitin Arora, Alon Millet, Tasfia Rakib, Kristin M Milano, Andrew K Hastings, Erol Fikrig, Yong Kong, Tamas L Horvath, Scott Weatherbee, Harvey J Kliman, Carolyn B Coyne, Akiko Iwasaki
Zika virus (ZIKV) infection during pregnancy is associated with adverse fetal outcomes, including microcephaly, growth restriction, and fetal demise. Type I interferons (IFNs) are essential for host resistance against ZIKV, and IFN-α/β receptor (IFNAR)-deficient mice are highly susceptible to ZIKV infection. Severe fetal growth restriction with placental damage and fetal resorption is observed after ZIKV infection of type I IFN receptor knockout (Ifnar1-/-) dams mated with wild-type sires, resulting in fetuses with functional type I IFN signaling...
January 5, 2018: Science Immunology
https://www.readbyqxmd.com/read/29305391/prevalence-and-risk-factors-for-microcephaly-at-birth-in-brazil-in-2010
#4
Antônio A Silva, Marco A Barbieri, Maria T Alves, Carolina A Carvalho, Rosângela F Batista, Marizélia R Ribeiro, Fernando Lamy-Filho, Zeni C Lamy, Viviane C Cardoso, Ricardo C Cavalli, Vanda M Simões, Heloisa Bettiol
OBJECTIVES: To estimate the baseline prevalence and risk factors for microcephaly at birth before the Zika virus epidemic in 2 Brazilian cities. METHODS: We used population-based data from the Brazilian Ribeirão Preto (RP) and São Luís (SL) birth cohort studies of 2010 that included hospital deliveries by resident mothers. The final sample was 7376 live births in RP and 4220 in SL. Gestational age was based on the date of the mother's last normal menstrual period or obstetric ultrasonography, if available...
January 5, 2018: Pediatrics
https://www.readbyqxmd.com/read/29298358/women-s-reproductive-health-knowledge-attitudes-and-practices-in-relation-to-the-zika-virus-outbreak-in-northeast-brazil
#5
Ana Luiza Vilela Borges, Caroline Moreau, Anne Burke, Osmara Alves Dos Santos, Christiane Borges Chofakian
OBJECTIVES: To assess knowledge, pregnancy attitudes and contraceptive practices in relation to the Zika virus outbreak in Brazil. METHODS: We interviewed 526 women 18 to 49 years old in primary health services in a Northeastern capital of Brazil, in 2016. They provided information about their knowledge of Zika transmission and health consequences, their receipt of counseling related to sexual and perinatal transmission of Zika, their pregnancy intentions and reassessment of contraceptive options in the context of the Zika virus outbreak...
2018: PloS One
https://www.readbyqxmd.com/read/29288700/erythrosin-b-is-a-potent-and-broad-spectrum-orthosteric-inhibitor-of-the-flavivirus-ns2b-ns3-protease
#6
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/29284702/high-background-congenital-microcephaly-in-rural-guatemala-implications-for-neonatal-congenital-zika-virus-infection-screening
#7
Anne-Marie Rick, Gretchen Domek, Maureen Cunningham, Daniel Olson, Molly M Lamb, Andrea Jimenez-Zambrano, Gretchen Heinrichs, Stephen Berman, Edwin J Asturias
BACKGROUND: Congenital microcephaly is the result of a disturbance in early brain development and can have multiple etiologies. Establishing background prevalence of microcephaly in Zika virus (ZIKV)-affected areas is important for improving identification of ZIKV-affected newborns. However, to date, there is limited consistent guidance for the accurate identification of microcephaly in infants of unknown gestational age, a common concern in low- and middle-income countries. METHODS: Occipital frontal head circumference (OFC) obtained from infants (0-13 days) of unknown gestational age at enrollment in a pregnancy registry in rural Guatemala from August 2014 to March 2016 were retrospectively reviewed...
December 28, 2017: Global Health, Science and Practice
https://www.readbyqxmd.com/read/29277550/maternal-zika-virus-infection-and-newborn-microcephaly-an-analysis-of-the-epidemiological-evidence
#8
REVIEW
Leonelo E Bautista
PURPOSE: To evaluate whether existing data and evidence support a causal link between maternal Zika virus (ZIKV) infection and newborn microcephaly. METHODS: I quantified and compared the prevalence of all and severe microcephaly in Brazil, during and before 2015-2016, to assess whether an outbreak has occurred, used time series analysis to evaluate if the presumed outbreak was linked to a previous outbreak of ZIKV infections, and quantitatively synthesized published data from observational studies testing this association...
December 14, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/29260671/zika-virus-testing-and-outcomes-during-pregnancy-florida-usa-2016
#9
Colette Shiu, Rebecca Starker, Jaclyn Kwal, Michelle Bartlett, Anise Crane, Samantha Greissman, Naiomi Gunaratne, Meghan Lardy, Michelle Picon, Patricia Rodriguez, Ivan Gonzalez, Christine L Curry
Zika virus infection during pregnancy can lead to congenital Zika syndrome. Implementation of screening programs and interpretation of test results can be particularly challenging during ongoing local mosquitoborne transmission. We conducted a retrospective chart review of 2,327 pregnant women screened for Zika virus in Miami-Dade County, Florida, USA, during 2016. Of these, 86 had laboratory evidence of Zika virus infection; we describe 2 infants with probable congenital Zika syndrome. Delays in receipt of laboratory test results (median 42 days) occurred during the first month of local transmission...
January 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29248924/is-there-more-to-zika-complex-cardiac-disease-in-a-case-of-congenital-zika-syndrome
#10
Asimenia Angelidou, Zoe Michael, Arda Hotz, Kevin Friedman, Sitaram Emani, Kerri LaRovere, Helen Christou
The epidemic of Zika virus (ZIKV) has resulted in a surge of newborns with microcephaly and brain abnormalities. In this report, we describe the first case, to our knowledge, of congenital Zika syndrome with concomitant critical congenital heart disease. The mother had a confirmed ZIKV infection in the first trimester of pregnancy. Fetal ultrasonography at 31 weeks of gestation revealed cerebral cortical calcifications and hypoplastic left heart syndrome. The severity of brain involvement was assessed by postnatal magnetic resonance imaging and echocardiogram, and palliative surgery was performed...
December 16, 2017: Neonatology
https://www.readbyqxmd.com/read/29242091/association-between-microcephaly-zika-virus-infection-and-other-risk-factors-in-brazil-final-report-of-a-case-control-study
#11
Thalia Velho Barreto de Araújo, Ricardo Arraes de Alencar Ximenes, Demócrito de Barros Miranda-Filho, Wayner Vieira Souza, Ulisses Ramos Montarroyos, Ana Paula Lopes de Melo, Sandra Valongueiro, Maria de Fátima Pessoa Militão de Albuquerque, Cynthia Braga, Sinval Pinto Brandão Filho, Marli Tenório Cordeiro, Enrique Vazquez, Danielle di Cavalcanti Souza Cruz, Claudio Maierovitch Pessanha Henriques, Luciana Caroline Albuquerque Bezerra, Priscila Mayrelle da Silva Castanha, Rafael Dhalia, Ernesto Torres Azevedo Marques-Júnior, Celina Maria Turchi Martelli, Laura Cunha Rodrigues
BACKGROUND: A Zika virus epidemic emerged in northeast Brazil in 2015 and was followed by a striking increase in congenital microcephaly cases, triggering a declaration of an international public health emergency. This is the final report of the first case-control study evaluating the potential causes of microcephaly: congenital Zika virus infection, vaccines, and larvicides. The published preliminary report suggested a strong association between microcephaly and congenital Zika virus infection...
December 11, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29231077/preventing-syndemic-zika-virus-hiv-stis-and-unintended-pregnancy-dual-method-use-and-consistent-condom-use-among-brazilian-women-in-marital-and-civil-unions
#12
Kiyomi Tsuyuki, Jessica D Gipson, Regina Maria Barbosa, Lianne A Urada, Donald E Morisky
Syndemic Zika virus, HIV and unintended pregnancy call for an urgent understanding of dual method (condoms with another modern non-barrier contraceptive) and consistent condom use. Multinomial and logistic regression analysis using data from the Pesquisa Nacional de Demografia e Saúde da Criança e da Mulher (PNDS), a nationally representative household survey of reproductive-aged women in Brazil, identified the socio-demographic, fertility and relationship context correlates of exclusive non-barrier contraception, dual method use and condom use consistency...
December 12, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/29197364/outcomes-of-zika-virus-infection-during-pregnancy-contributions-to-the-debate-on-the-efficiency-of-cohort-studies
#13
Elisabeth Carmen Duarte, Leila Posenato Garcia, Wildo Navegantes de Araújo, Maria P Velez
BACKGROUND: Zika infection during pregnancy (ZIKVP) is known to be associated with adverse outcomes. Studies on this matter involve both rare outcomes and rare exposures and methodological choices are not straightforward. Cohort studies will surely offer more robust evidences, but their efficiency must be enhanced. We aim to contribute to the debate on sample selection strategies in cohort studies to assess outcomes associated with ZKVP. A study can be statistically more efficient than another if its estimates are more accurate (precise and valid), even if the studies involve the same number of subjects...
December 2, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29181810/imaging-findings-in-congenital-zika-virus-infection-syndrome-an-update
#14
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/29177397/-not-everything-is-zika-congenital-toxoplasmosis-still-prevalent-in-colombia
#15
Jorge L Alvarado-Socarras, Keyla Meneses-Silvera, Andrea Carolina Zarate-Vergara, Carlos Guerrero-Gomez, Alfonso J Rodriguez-Morales
Congenital toxoplasmosis continues to be a public health threat. Even existing guidelines, publicly known, its implementation and lack of appropriate interpretation of serological tests in pregnancy is often observed. This leds to failure in opportunities for positive and known interventions to decrease the fetal risk due to Toxoplasma gondii infection. We reported herein a case series, with variable neurological and systemic compromise (respiratory distress, hepatosplenomegaly, enterocolitis, brain calcifications, thrombocytopenia, ascites, shock), even fatal, calling for awareness about the fact that despite the Zika epidemics in 2015-2016 in Brazil, Colombia and other countries, precisely toxoplasmosis, is a differential diagnosis still prevalent in these territories, that can leds to severe consequences, with neurological disability and risk of ocular damage, even lately...
April 2017: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/29177365/gender-specific-reference-charts-of-fetal-head-circumference-in-a-singaporean-population
#16
George Sh Yeo, Maili Qi, Ruochen Du, Padma Lata Mahavadi, Chee Fu Yung, Koh Cheng Thoon, Edwin Wh Thia, Kai Lit Tan, Fon Min Lai, Nicole Kl Lee
INTRODUCTION: With the global outbreak of Zika virus and its association with microcephaly, an up-to-date fetal head circumference (HC) nomogram is crucial to offer a reference standard in order to make an accurate diagnosis. This study was conducted to revise the local fetal HC nomogram. MATERIALS AND METHODS: In this retrospective study, ultrasound data was used for construction of the fetal HC nomogram from a total of 6155 pregnancies in the ethnic Chinese population with low risk profile at KK Women's and Children's Hospital over a 10-year period...
October 2017: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/29171191/pre-zika-descriptive-epidemiology-of-microcephaly-in-texas-2008-2012
#17
Adrienne T Hoyt, Mark A Canfield, Peter H Langlois, Dorothy K Waller, A J Agopian, Charles J Shumate, Noemi B Hall, Lisa K Marengo, Mary K Ethen, Angela E Scheuerle
BACKGROUND: There are limited population-based studies on microcephaly. We characterized the epidemiology of microcephaly in Texas during a 5-year period (2008-2012), prior to the Zika epidemic in the Western hemisphere (2015). The associations of suspected risk factors were compared across four clearly defined case groups. METHODS: Data from the Texas Birth Defects Registry were used to calculate the prevalence of congenital microcephaly and crude and adjusted prevalence ratios using Poisson regression...
November 24, 2017: Birth defects research
https://www.readbyqxmd.com/read/29167994/congenital-zika-virus-infection-a-neuropathological-review
#18
L Chimelli, E Avvad-Portari
BACKGROUND: A relationship between Zika virus (ZikV) infection in pregnancy and the occurrence of microcephaly was established during the Zika outbreak in Brazil (2015-2016). Neuropathological findings in congenital Zika syndrome helped to understand its pathogenetic mechanisms. RESULTS: The most relevant postmortem findings in the central nervous system (CNS) of fetuses and neonates infected with ZikV early in gestation are microcephaly with ex-vacuo ventriculomegaly and large head circumference associated with obstructive hydrocephalus due to severe midbrain and aqueduct distortion...
November 22, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29166843/stagnant-contraceptive-sales-after-the-zika-epidemic-in-brazil
#19
Luis Bahamondes, Moazzam Ali, Ilza Monteiro, Arlete Fernandes
OBJECTIVES: Our aim was to assess national hormonal and non-hormonal contraceptive sales in Brazil after the Zika virus outbreak. METHODS: Pharmaceutical companies based in Brazil provided data on monthly sales from September 2016 to June 2017. Data from both the public and private sectors were obtained about sales of registered, available modern contraceptive methods: combined oral contraceptive pill; progestin-only pill; vaginal and transdermal contraceptives; injectable contraceptives; long-acting reversible contraceptive (LARC) methods, including the copper-releasing intrauterine device, the levonorgestrel-releasing intrauterine system and the etonogestrel-releasing subdermal implant; and emergency contraceptive pills...
November 23, 2017: European Journal of Contraception & Reproductive Health Care
https://www.readbyqxmd.com/read/29166472/congenital-zika-virus-infection-in-twin-pregnancies
#20
Beuy Joob, Viroj Wiwanitkit
No abstract text is available yet for this article.
October 2017: Arquivos de Neuro-psiquiatria
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