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Newborn infection

Natalia Anahí Juiz, Irma Torrejón, Marianela Burgos, Ana María Fernanda Torres, Tomás Duffy, Nelly Melina Cayo, Anahí Tabasco, Miriam Salvo, Silvia Andrea Longhi, Alejandro Gabriel Schijman
Infection with Trypanosoma cruzi in women at reproductive age is associated with congenital transmission and adverse pregnancy outcome. The placenta is a key barrier to infection. We characterized gene expression profiles of term placental environment from T. cruzi seropositive (SP) and seronegative (SN) mothers performing RNA-seq. Nine pools of placental RNA paired samples were used: three from SN and six from SP tissues. Each pool consisted of female/male newborns and vaginal/caesarean deliveries binomials...
March 12, 2018: American Journal of Pathology
Karolina Louvanto, Michel Roger, Marie-Claude Faucher, Kari Syrjänen, Seija Grenman, Stina Syrjänen
Role of host factors in transmission of human papillomavirus (HPV)-infection from mother to her offspring is not known. Our aim was to study whether human leukocyte antigen (HLA)-G allele concordance among the mother-child pairs could facilitate vertical transmission of HPV, because HLA-G may contribute to immune tolerance in pregnancy. Altogether, 310 mother-child pairs were included from the Finnish Family HPV study. Overall, nine different HLA-G alleles were identified. The HLA-G genotype concordance of G∗01:01:01/01:04:01 increased the risk of high risk (HR)-HPV genotype positivity in cord blood and infant's oral mucosa...
March 12, 2018: Human Immunology
Swetha G Pinninti, David W Kimberlin
Neonatal herpes simplex virus (HSV) is an uncommon but devastating infection in the newborn, associated with significant morbidity and mortality. The use of PCR for identification of infected infants and acyclovir for treatment has significantly improved the prognosis for affected infants. The subsequent use of suppressive therapy with oral acyclovir following completion of parenteral treatment of acute disease has further enhanced the long-term prognosis for these infants. This review article will discuss the epidemiology, risk factors and routes of acquisition, clinical presentation, and evaluation of an infant suspected to have the infection, and treatment of proven neonatal HSV disease...
March 12, 2018: Seminars in Perinatology
Andrea Cristine Koishi, Andréia Akemi Suzukawa, Camila Zanluca, Daria Elena Camacho, Guillermo Comach, Claudia Nunes Duarte Dos Santos
Zika virus (ZIKV) is an emerging arbovirus belonging to the genus flavivirus that comprises other important public health viruses, such as dengue (DENV) and yellow fever (YFV). In general, ZIKV infection is a self-limiting disease, however cases of Guillain-Barré syndrome and congenital brain abnormalities in newborn infants have been reported. Diagnosing ZIKV infection remains a challenge, as viral RNA detection is only applicable until a few days after the onset of symptoms. After that, serological tests must be applied, and, as expected, high cross-reactivity between ZIKV and other flavivirus serology is observed...
March 15, 2018: PLoS Neglected Tropical Diseases
Cinta Moraleda, Rachid Benmessaoud, Jessica Esteban, Yuly López, Hassan Alami, Amina Barkat, Tligui Houssain, Meryem Kabiri, Rachid Bezad, Saad Chaacho, Lola Madrid, Jordi Vila, Carmen Muñoz-Almagro, Jordi Bosch, Sara M Soto, Quique Bassat
PURPOSE: Group B streptococcus (GBS) is an important cause of neonatal sepsis worldwide. Data on the prevalence of maternal GBS colonization, risk factors for carriage, antibiotic susceptibility and circulating serotypes are necessary to tailor adequate locally relevant public health policies. METHODOLOGY: A prospective study including pregnant women and their newborns was conducted between March and July 2013 in Morocco. We collected clinical data and vagino-rectal and urine samples from the recruited pregnant women, together with the clinical characteristics of, and body surface samples from, their newborns...
March 15, 2018: Journal of Medical Microbiology
Shupeng Dong, Qiming Liang
An infection by Zika virus (ZIKV), a mosquito-borne flavivirus, broke out in South American regions in 2015, and recently showed a tendency of spreading to North America and even worldwide. ZIKV was first detected in 1947 and only 14 human infection cases were reported until 2007. This virus was previously observed to cause only mild flu-like symptoms. However, recent ZIKV infections might be responsible for the increasing cases of neurological disorders such as Guillain-Barré syndrome and congenital defects, including newborn microcephaly...
March 14, 2018: Virologica Sinica
Lola Madrid, Rosauro Varo, Sonia Maculuve, Tacilta Nhampossa, Carmen Muñoz-Almagro, Enrique J Calderón, Cristina Esteva, Carla Carrilho, Mamudo Ismail, Begoña Vieites, Vicente Friaza, María Del Carmen Lozano-Dominguez, Clara Menéndez, Quique Bassat
BACKGROUND: Congenital cytomegalovirus (cCMV) infection is the most prevalent congenital infection acquired worldwide, with higher incidence in developing countries and among HIV-exposed children. Less is known regarding vertical transmission of parvovirus B19 (B19V) and enterovirus (EV). We aimed to assess the prevalence of CMV, B19V and EV vertical transmission and compare results of screening of congenital CMV obtained from two different specimens in a semirural Mozambican maternity...
2018: PloS One
Elizabeth Hisle-Gorman, Apryl Susi, Theophil Stokes, Gregory Gorman, Christine Erdie-Lalena, Cade M Nylund
OBJECTIVE: We explored the association of 29 previously reported neonatal, perinatal and prenatal conditions and exposures with later diagnosis of ASD in a large sample of children followed over multiple years. STUDY DESIGN: A retrospective case-cohort study was formed using the Military Health System database. Cases were identified by International Classification of Diseases, Ninth Revision (ICD-9) codes for ASD between 2000 and 2013 and were matched 3:1 with controls on sex, date of birth, and enrollment time-frame...
March 14, 2018: Pediatric Research
(no author information available yet)
Tetanus is an acute specific infection caused by obligate anaerobes, which is still a serious public health problem. Tetanus bacterium is an obligate anaerobic bacterium, widely distributed in nature, which can exist in dust, soil, human or animal excrement. The bacteria invade the body primarily through the skin or mucosal wounds, and most commonly in trauma and burn patients, unclean newborns, and unsafe surgical instruments. Exotoxin produced by tetanus bacteria can cause temporary changes in the central nervous system, manifested as systemic skeletal muscle persistence and paroxysmal spasm, severe cases of laryngospasm, asphyxia, lung infections and organ failure, which is a very serious and potentially fatal disease...
March 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
Karl-Heinz Deeg
Prenatal, neonatal meningoencephalitis and infections of the brain in older infants are often associated with serious complications which can be diagnosed by sonography through the open fontanelles. Most frequently postmeningitic hydrocephalus and subdural effusions occur. Rarer complications are brain abscesses and ventriculitis which are caused by gram negative bacteria such as E. coli, Serratia marcescens, Proteus and Enterobacter. A serious complication after ventriculitis is the development of compartment hydrocephalus...
March 13, 2018: Ultraschall in der Medizin
Harsh Dilipkumar Shah, Bonny Shah, Paresh V Dave, Janak B Katariya, Khyati P Vats
Context: Facility Based Newborn Care (FBNC) is a key strategy to improve child survival, especially in newborn care where neonatal mortality rate (NMR) is stagnant in declining. Gujarat has achieved considerable amount of reduction in child deaths, but neonatal health requires attention. The study was aimed to assess the admission pattern of Special Newborn Care Units (SNCUs) which supports decision-making. Settings and Design: A cross-sectional descriptive analysis was done from secondary data of the SNCU reports on the aspects of admission patterns, morbidity, and mortality pattern...
January 2018: Indian Journal of Community Medicine
Virginie Chesnais, Alban Ott, Emmanuel Chaplais, Samuel Gabillard, Diego Pallares, Christelle Vauloup-Fellous, Alexandra Benachi, Jean-Marc Costa, Eric Ginoux
Human cytomegalovirus (HCMV) primary infections of pregnant women can lead to congenital infections of the fetus that could have severe impacts on the health of the newborn. Recent studies have shown that 10-100 billion DNA fragments per milliliter of plasma are circulating cell-free. The study of this DNA has rapidly expanding applications to non-invasive prenatal testing (NIPT). In this study, we have shown that we can detect viral specific reads in the massively parallel shotgun sequencing (MPSS) NIPT data...
March 12, 2018: Scientific Reports
Ulf Helwig
No abstract text is available yet for this article.
March 2018: Zeitschrift Für Gastroenterologie
G N Cagatay, A Antos, D Meyer, C Maistrelli, O Keuling, P Becher, A Postel
The recently identified atypical porcine pestivirus (APPV) was demonstrated to be the causative agent of the neurological disorder "congenital tremor" in newborn piglets. Despite its relevance and wide distribution in domestic pigs, so far nothing is known about the situation in wild boar, representing an important wild animal reservoir for the related classical swine fever virus. In this study, 456 wild boar serum samples obtained from northern Germany were investigated for the presence of APPV genomes and virus-specific antibodies...
March 12, 2018: Transboundary and Emerging Diseases
Jahnavi Aluri, Maya Gupta, Aparna Dalvi, Snehal Mhatre, Manasi Kulkarni, Gouri Hule, Mukesh Desai, Nitin Shah, Prasad Taur, Ramprasad Vedam, Manisha Madkaikar
Major histocompatibility complex (MHC) class II deficiency is a rare autosomal recessive form of primary immunodeficiency disorder (PID) characterized by the deficiency of MHC class II molecules. This deficiency affects the cellular and humoral immune response by impairing the development of CD4+ T helper (Th) cells and Th cell-dependent antibody production by B cells. Affected children typically present with severe respiratory and gastrointestinal tract infections. Hematopoietic stem cell transplantation (HSCT) is the only curative therapy available for treating these patients...
2018: Frontiers in Immunology
Qijun Cheng, Bin Zhao, Zhenxiang Huang, Yanhua Su, Biqin Chen, Songjing Yang, Xueqi Peng, Qilin Ma, Xiaoshan Yu, Benhua Zhao, Xiayi Ke
BACKGROUND & AIM: Hepatitis B virus (HBV) can be transmitted to infants, and is related to infants' later disease risk. Epigenetic change (such as DNA methylation) may be mechanism underlying the relationship. In this study, we aimed to investigate whether prenatal HBV infection could alter DNA methylation status in newborns. METHOD: We selected 12 neonates with intrauterine HBV infection whose mothers were HBsAg-positive during pregnancy, relative to 12 HBV-free neonates with HBsAg-negative mothers...
March 8, 2018: Gene
Gaetano Brindicci, Danilo Carboni, Roberto Genga, Eleonora Moschini, Giulia Montorzi, Felicetta Viscogliosi, Giovanni Muratori, Gabriele Ripanti
Pertussis is a contagious, infectious disease that affects mainly children and is caused by Bordetella pertussis. The pertussis vaccine has changed the epidemiology of the disease up to the point when it almost vanished, with a minimum number of cases recorded in Italy (2008) when vaccination coverage was 97%. For the same reason the natural history of the disease was also modified. Indeed, in high-income countries the lack of immunity acquired with the vaccine causes adolescents and adults to become an important source of infection for unvaccinated subjects, the newborn and children who have not completed their primary education...
March 1, 2018: Le Infezioni in Medicina
Dipak K Mitra, Luke C Mullany, Meagan Harrison, Ishtiaq Mannan, Rashed Shah, Nazma Begum, Mamun Ibne Moin, Shams El Arifeen, Abdullah H Baqui
BACKGROUND: Infections cause about one fifth of the estimated 2.7 million annual neonatal deaths worldwide. Population-based data on burden and risk factors of neonatal infections are lacking in developing countries, which are required for the appropriate design of effective preventive and therapeutic interventions in resource-poor settings. METHODS: We used data from a community-based cluster-randomized trial conducted to evaluate the impact of two umbilical cord cleansing regimens with chlorhexidine solution on neonatal mortality and morbidity in a rural area of Sylhet District in Bangladesh...
March 9, 2018: Journal of Health, Population, and Nutrition
Manju Ohri, Smriti Parashar, Venkatesh S Pai, Sujata Ghosh, Anuradha Chakraborti
Group B streptococcus (GBS) or Streptococcus agalactiae, is an opportunistic pathogen causing a wide range of infections like pneumonia, sepsis, and meningitis in newborn, pregnant women and adults. While this bacterium has adapted well to asymptomatic colonization of adult humans, it still remains a potentially devastating pathogen to susceptible infants. Advances in molecular techniques and refinement of in vitro and in vivo model systems have elucidated key elements of the pathogenic process, from initial attachment to the maternal vaginal epithelium to penetration of the newborn blood-brain barrier...
March 8, 2018: World Journal of Microbiology & Biotechnology
Kathryn A Patras, Victor Nizet
Group B Streptococcus (GBS) colonizes the gastrointestinal and vaginal epithelium of a significant percentage of healthy women, with potential for ascending intrauterine infection or transmission during parturition, creating a risk of serious disease in the vulnerable newborn. This review highlights new insights on the bacterial virulence determinants, host immune responses, and microbiome interactions that underpin GBS vaginal colonization, the proximal step in newborn infectious disease pathogenesis. From the pathogen perspective, the function GBS adhesins and biofilms, β-hemolysin/cytolysin toxin, immune resistance factors, sialic acid mimicry, and two-component transcriptional regulatory systems are reviewed...
2018: Frontiers in Pediatrics
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