Background: The signs and symptoms of Zika virus infection are usually mild and self-limited. However, the disease has been linked to neurological complications such as Guillain-Barré syndrome and peripheral nerve involvement, and also to abortion and fetal deaths due to vertical transmission, resulting in various congenital malformations in newborns, including microcephaly. This review aimed to describe the o signs and symptoms that characterize the congenital Zika syndrome.
Methods And Findings: A systematic review was performed with a protocol and described according to the recommendations of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement. The search strategy yielded 2,048 studies. After the exclusion of duplicates and application of inclusion criteria, 46 studies were included. The main signs and symptoms associated with the congenital Zika syndrome were microcephaly, parenchymal or cerebellar calcifications, ventriculomegaly, central nervous system hypoplasia or atrophy, arthrogryposis, ocular findings in the posterior and anterior segments, abnormal visual function and low birthweight for gestational age.
Conclusions: Zika virus infection during pregnancy can cause a series of changes in the growth and development of children, while impacting the healthcare system due to the severity of cases. Our findings outline the disease profile in newborns and infants and may contribute to the development and updating of more specific clinical protocols.
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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0242367 | PLOS |
Biomolecules
December 2024
Department of Immunology (LIH), Institute of Biomedical Sciences, University of São Paulo, Av. Prof. Lineu Prestes, 2415-Butantã, São Paulo 05508-000, SP, Brazil.
In this study, we investigated the role of extracellular vesicles (EVs) in the pathogenesis of Congenital Zika Syndrome (CZS). Previous studies have highlighted the role of EVs in intercellular communication and the modulation of biological processes during viral infections, motivating our in-depth analysis. Our objective was to identify specific molecular signatures in the EVs of patients with CZS, focusing on their potential as biomarkers and on cellular pathways affected by the infection.
View Article and Find Full Text PDFPediatr Infect Dis J
January 2025
Division of Pediatric Infectious Diseases, Universidade Federal de São Paulo, São Paulo, Brazil.
Background And Objectives: Little is known about the clinical course of children born with congenital Zika virus syndrome (CZS). This article aimed to analyze the growth and survival of children with CZS born with microcephaly and children who developed with microcephaly after birth in the 36-month period.
Methods: This is a cohort of children diagnosed with CZS who were monitored in a series of outpatient appointments, with clinical and demographic information and anthropometric measurements collected.
JAMA Netw Open
January 2025
Center of Data and Knowledge Integration for Health, Gonçalo Moniz Institute, Oswaldo Cruz Foundation, Salvador, Bahia, Brazil.
Importance: Congenital Zika syndrome (CZS) can lead to a range of developmental and neurological issues, which increases the risk of early death. However, the all-cause and cause-specific mortality in children with CZS in the first 5 years of life remain unknown.
Objective: To compare the hazard of all-cause and cause-specific mortality before age 5 years among children with and without CZS in Brazil.
Curr Top Med Chem
January 2025
Universidade Federal Fluminense, Instituto de Biologia, Laboratório de Virologia Molecular e Biotecnologia Marinha, 24210-200, Niterói-RJ, Brasil.
Background: Zika (ZIKV) is a virus transmitted by mosquitoes that can cause Guillain- Barré syndrome and congenital malformations like microcephaly. Given its explosive resurgence and the resulting epidemics in 2016, the search for effective antiviral drugs has become absolutely necessary.
Methods: In this study, we examined the potential of naphthoquinone derivatives that have a sulfonamide or sulfonate group to inhibit ZIKV replication in primary cultured neurons and in Vero cells.
Matern Child Health J
January 2025
Department of Pediatric Dentistry, University of Texas Health Science Center at Houston, School of Dentistry, 7500 Cambridge St. | Suite 5306, Houston, TX, 77054, USA.
Objective: The study aimed to evaluate the quality of life (QoL) of caregivers of children diagnosed with CZS and to assess the association of findings with socioeconomic and CZS-associated variables.
Methods: This was a cross-sectional, quantitative study, carried out over three days of multidisciplinary care for patients with CZS. Sixty-four participants underwent a quality of life assessment using the World Health Organization Quality of Life questionnaire (WHOQOL-BREF) in Portuguese.
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