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Influenza in pregnancy

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https://www.readbyqxmd.com/read/29452372/impact-of-timing-of-influenza-vaccination-in-pregnancy-on-transplacental-antibody-transfer-influenza-incidence-and-birth-outcomes-a-randomized-trial-in-rural-nepal
#1
Joanne Katz, Janet A Englund, Mark C Steinhoff, Subarna K Khatry, Laxman Shrestha, Jane Kuypers, Luke C Mullany, Helen Y Chu, Steven C LeClerq, Naoko Kozuki, James M Tielsch
Background: Maternal influenza vaccination protects mothers and their infants in low resource settings but little is known about whether the protection varies by gestational age at vaccination. Methods: Women of childbearing age in rural southern Nepal were surveilled for pregnancy, consented and randomized to receive maternal influenza vaccination or placebo, with randomization stratified on gestational age (17-25 or 26-34 weeks). Enrollment occurred in two annual cohorts and vaccinations occurred from April 2011 through September 2013...
February 14, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29445450/prevention-of-influenza-related-illness-in-young-infants-by-maternal-vaccination-during-pregnancy
#2
REVIEW
Marta C Nunes, Shabir A Madhi
The influenza virus circulates yearly and causes global epidemics. Influenza infection affects all age groups and causes mild to severe illness, and young infants are at particular risk for serious disease. The most effective measure to prevent influenza disease is vaccination; however, no vaccine is licensed for use in infants younger than 6 months old. Thus, there is a crucial need for other preventive strategies in this high-risk age group. Influenza vaccination during pregnancy protects both the mothers and the young infants against influenza infection...
2018: F1000Research
https://www.readbyqxmd.com/read/29417364/maternal-care-providers-barriers-regarding-influenza-and-pertussis-vaccination-during-pregnancy-in-catalonia-spain
#3
Luz Maria Vilca, Cristina Martínez, Miriam Burballa, Magda Campins
Objective Maternal care providers (MCPs), obstetrician-gynaecologists and midwives are uniquely placed to increase maternal vaccination acceptance. We aimed to assess their knowledge, attitudes and practices regarding influenza and pertussis vaccination during pregnancy. Methods We conducted an online survey among MCPs working at "Attention to Sexual and Reproductive Health" (ASSIR) Units in Catalonia region. The survey included questions about current recommendations of influenza and pertussis immunization during pregnancy, reasons for not routinely recommending vaccination and several strategies to increase vaccination uptake...
February 7, 2018: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/29400082/administration-rates-of-the-tdap-vaccine-in-obstetric-patients
#4
Jamie Koerner, Alicia B Forinash, Abigail M Yancey, Jessica Brinkmeyer, Spencer Dingman, Collin Miller, Judy Thompson, Laura Bergin, Julia D López, Amy Ravin
BACKGROUND: Infants younger than 6 months of age are at high risk for contracting pertussis because of not being fully vaccinated. The Advisory Committee on Immunization Practices (ACIP) recommends vaccinating all pregnant women with tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis vaccine (Tdap) between 27 and 36 weeks to offer passive immunity to the infant to help protect them until they are able to receive the full pertussis series. OBJECTIVE: To assess and compare compliance with the 2013 ACIP recommendation of vaccinating pregnant women with Tdap at 27 to 36 weeks' gestation in 2 obstetric clinics...
February 1, 2018: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/29395531/strategies-to-implement-maternal-vaccination-a-comparison-between-standing-orders-for-midwife-delivery-a-hospital-based-maternal-immunisation-service-and-primary-care
#5
Sushena Krishnaswamy, Euan M Wallace, Jim Buttery, Michelle L Giles
Maternal vaccination is a safe and effective strategy to reduce maternal and neonatal morbidity and mortality from pertussis and influenza. However, despite recommendations for maternal vaccination since 2010, uptake remains suboptimal. Barriers to uptake have been studied widely and include lack of integration of vaccination into routine pregnancy care and access to vaccination services. Standing orders for administration of vaccines without the need for a physician review or prescription have been demonstrated to improve uptake as part of multi-model interventions to increase antenatal influenza and post-partum pertussis vaccination...
January 30, 2018: Vaccine
https://www.readbyqxmd.com/read/29390149/cord-blood-anti-parasite-il-10-as-risk-marker-for-compromised-vaccine-immunogenicity-in-early-childhood
#6
Indu Malhotra, A Desiree LaBeaud, Nathan Morris, Maxim McKibben, Peter Mungai, Eric Muchiri, Christopher L King, Charles H King
Background: Antenatal exposure to parasites can affect infants' subsequent responses to vaccination. The present study investigated how maternal prenatal infections and newborns' anti-parasite cytokine profiles relate to IgG responses to standard vaccination during infancy. Methods: 450 Kenyan women were tested for parasitic infections during pregnancy. Their newborns' responses to malaria, schistosome, and filaria antigens were assessed in cord blood (CB) lymphocytes...
January 30, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29388196/vaccines-for-preventing-influenza-in-healthy-adults
#7
REVIEW
Vittorio Demicheli, Tom Jefferson, Eliana Ferroni, Alessandro Rivetti, Carlo Di Pietrantonj
BACKGROUND: The consequences of influenza in adults are mainly time off work. Vaccination of pregnant women is recommended internationally. This is an update of a review published in 2014. Future updates of this review will be made only when new trials or vaccines become available. Observational data included in previous versions of the review have been retained for historical reasons but have not been updated due to their lack of influence on the review conclusions. OBJECTIVES: To assess the effects (efficacy, effectiveness, and harm) of vaccines against influenza in healthy adults, including pregnant women...
February 1, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29320882/the-impact-of-influenza-virus-infection-in-pregnancy
#8
Lucy K Somerville, Kerri Basile, Dominic E Dwyer, Jen Kok
Data from previous seasonal epidemics and pandemics have confirmed that pregnant women are at increased risk for severe influenza virus infection. Complications including fetal loss, higher rates of hospitalization and maternal death are most notable during the late gestational period. Antiviral therapy and influenza vaccination are recommended in pregnant women as both are effective and safe. This review discusses the epidemiology, pathophysiology, treatment and prevention of influenza virus infection in pregnancy, with a focus on recent developments...
January 11, 2018: Future Microbiology
https://www.readbyqxmd.com/read/29313417/beyond-the-verbal-pregnant-women-s-preferences-for-receiving-influenza-and-tdap-vaccine-information-from-their-obstetric-care-providers
#9
Mallory Ellingson, Allison T Chamberlain
OBJECTIVE: Prenatal providers are pregnant women's most trusted sources of health information, and a provider's recommendation is a strong predictor of maternal vaccine receipt. However, other ways women prefer receiving vaccine-related information from prenatal providers, aside from face-to-face conversations, is unclear. This study explores what secondary communication methods are preferred for receiving maternal vaccine-related information. STUDY DESIGN: Obstetric patients at four prenatal clinics around Atlanta, Georgia received a 27-item survey between May 5th, 2016 and June 15th, 2016...
January 9, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29281710/maternal-influenza-immunization-in-malawi-piloting-a-maternal-influenza-immunization-program-costing-tool-by-examining-a-prospective-program
#10
Clint Pecenka, Spy Munthali, Paul Chunga, Ann Levin, Win Morgan, Philipp Lambach, Niranjan Bhat, Kathleen M Neuzil, Justin R Ortiz, Raymond Hutubessy
BACKGROUND: This costing study in Malawi is a first evaluation of a Maternal Influenza Immunization Program Costing Tool (Costing Tool) for maternal immunization. The tool was designed to help low- and middle-income countries plan for maternal influenza immunization programs that differ from infant vaccination programs because of differences in the target population and potential differences in delivery strategy or venue. METHODS: This analysis examines the incremental costs of a prospective seasonal maternal influenza immunization program that is added to a successful routine childhood immunization and antenatal care program...
2017: PloS One
https://www.readbyqxmd.com/read/29277629/patterns-and-correlates-of-cervical-cancer-screening-initiation-in-a-large-integrated-healthcare-system
#11
Tracy A Becerra-Culqui, Neal M Lonky, Qiaoling Chen, Chun R Chao
BACKGROUND: The latest 2012 United States Preventive Services Task Force cervical cancer screening guidelines recommended screening initiation at age 21 years. Little is known about the cervical cancer screening initiation practices in the community, and whether there are critical gaps with respect to adherence to current clinical guidelines. Despite an overall decline in cervical cancer incidence across women of all ages, the incidence rate has not declined among 24-25 year-olds between 2000 (2...
December 22, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29235984/deaths-leading-causes-for-2015
#12
Melonie Heron
Objectives-This report presents final 2015 data on the 10 leading causes of death in the United States by age, sex, race, and Hispanic origin. Leading causes of infant, neonatal, and postneonatal death are also presented. This report supplements "Deaths: Final Data for 2015," the National Center for Health Statistics' annual report of final mortality statistics. Methods-Data in this report are based on information from all death certificates filed in the 50 states and the District of Columbia in 2015. Causes of death classified by the International Classification of Diseases, Tenth Revision (ICD-10) are ranked according to the number of deaths assigned to rankable causes...
November 2017: National Vital Statistics Reports
https://www.readbyqxmd.com/read/29232939/clinical-and-economic-analysis-of-the-2009-h1n1-influenza-pandemic-among-pregnant-korean-women
#13
Won Suk Choi, Min Joo Choi, Ji Yoon Noh, Joon Young Song, Woo Joo Kim, Dae Won Park, Jacob Lee, Yu Bin Seo, Ji Hyeon Baek, Sooran Choi, Hee Jin Cheong
Background/Aims: Unlike Western countries, the 2009 pandemic influenza infection among pregnant women was reported as mild in a previous interim study in South Korea. However, several mortalities were reported thereafter, suggesting that nationwide data were lacking. Methods: This case-control study covers the entire 2009 pandemic inf luenza period, from May 2009 to February 2010. The clinical and economic data of pregnant (case) and age-matched non-pregnant (control) women with influenza A (H1N1) pdm09 virus (H1N1pdm09) infection were retrospectively collected from nine hospitals in South Korea...
December 15, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29232882/seasonal-influenza-vaccine-acceptance-among-pregnant-women-in-zhejiang-province-china-evidence-based-on-health-belief-model
#14
Yu Hu, Ying Wang, Hui Liang, Yaping Chen
Background: Reasons for acceptance of seasonal influenza vaccine (SIV) vaccination among pregnant women in China are poorly understood. We assessed the intention to accept SIV among pregnant women in Zhejiang province, by using a self-administrated structured questionnaire developed on the basis of health belief model (HBM). Methods: From 1 January to 31 March 2014, pregnant women with ≥12 gestational weeks who attended antenatal clinics (ANCs) at public hospitals in 6 out of 90 districts were surveyed using a self-administered questionnaire that covered knowledge, attitudes, and beliefs related to SIV vaccination and influenza infection...
December 11, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29225680/presumed-acute-fatty-liver-of-pregnancy-following-influenza-a-hepatitis
#15
Adam Morton
Acute fatty liver of pregnancy is a rare mitochondrial hepatopathy characterised by microvesicular fatty infiltration, and is believed to be due to impaired fatty acid oxidation. Hepatitis following influenza virus infection is uncommon. Rarely influenza virus infection may be complicated by Reye's syndrome, another hepatic microvesicular fat disease. A case of influenza A hepatitis in third trimester of pregnancy, followed by the evelopment of presumed acute fatty liver of pregnancy is described in this report and a potential mechanism why this may have occurred is discussed...
December 2017: Obstetric Medicine
https://www.readbyqxmd.com/read/29221347/safe-administration-of-intrapleural-alteplase-during-pregnancy
#16
Heather Torbic, Hanine Inaty, Siva Raja, Humberto Choi
Instillation of intrapleural (IP) fibrinolytics has been used in patients with complicated parapneumonic pleural effusions to improve fluid drainage and decrease the need for surgical intervention. However, clinical trials have not included certain special populations such as pregnant females and there are currently no published case reports of this practice in this group. We describe the case of a 35-year-old female, G2P1 at 32 weeks of gestation, with a complicated pleural effusion due to influenza pneumonia with superimposed bacterial pneumonia...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29188070/the-first-case-report-of-septic-abortion-resulting-from-%C3%AE-lactamase-negative-ampicillin-resistant-non-typeable-haemophilus-influenzae-infection
#17
Hiroaki Baba, Risako Kakuta, Hasumi Tomita, Minako Miyazoe, Masatoshi Saito, Chihiro Oe, Noriomi Ishibashi, Misa Sogi, Kengo Oshima, Tetsuji Aoyagi, Yoshiaki Gu, Makiko Yoshida, Koichi Tokuda, Shiro Endo, Hisakazu Yano, Mitsuo Kaku
Introduction. This is the first case report of septic abortion due to β-lactamase-negative ampicillin-resistant (BLNAR) non-typeable Haemophilus influenzae infection. In Japan, BLNAR H. influenzae is widespread and has become a clinical concern, especially in paediatrics and otolaryngology, but H. influenzae has not been previously recognized as a causative agent of obstetric or gynaecological infection. Case presentation. A 31-year-old pregnant woman presented at 17 weeks and 6 days of gestation with a high fever; she was admitted with a diagnosis of threatened premature delivery...
October 2017: JMM Case Reports
https://www.readbyqxmd.com/read/29176767/h1n1-influenza-virus-infection-results-in-adverse-pregnancy-outcomes-by-disrupting-tissue-specific-hormonal-regulation
#18
Elizabeth Q Littauer, E Stein Esser, Olivia Q Antao, Elena V Vassilieva, Richard W Compans, Ioanna Skountzou
Increased susceptibility to influenza virus infection during pregnancy has been attributed to immunological changes occurring before and during gestation in order to "tolerate" the developing fetus. These systemic changes are most often characterized by a suppression of cell-mediated immunity and elevation of humoral immune responses referred to as the Th1-Th2 shift. However, the underlying mechanisms which increase pregnant mothers' risk following influenza virus infection have not been fully elucidated. We used pregnant BALB/c mice during mid- to late gestation to determine the impact of a sub-lethal infection with A/Brisbane/59/07 H1N1 seasonal influenza virus on completion of gestation...
November 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29149524/a-systematic-review-and-meta-analysis-of-fetal-outcomes-following-the-administration-of-influenza-a-h1n1-vaccination-during-pregnancy
#19
REVIEW
Chuan Zhang, Xiaodong Wang, Dan Liu, Lingli Zhang, Xin Sun
BACKGROUND: Pregnant women were identified as a population of priority for vaccination during the H1N1 influenza pandemic outbreak in 2009. OBJECTIVES: To assess adverse fetal outcomes following the administration of H1N1 pandemic vaccination during pregnancy. SEARCH STRATEGY: PubMed, Embase, and Cochrane Library were searched up to January 2017. SELECTION CRITERIA: Cohort studies investigating fetal outcomes after H1N1 influenza vaccination during pregnancy were eligible...
November 17, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29145441/distinct-t-and-nk-cell-populations-may-serve-as-immune-correlates-of-protection-against-symptomatic-pandemic-influenza-a-h1n1-virus-infection-during-pregnancy
#20
Miloje Savic, Jennifer L Dembinski, Ida Laake, Olav Hungnes, Rebecca Cox, Fredrik Oftung, Lill Trogstad, Siri Mjaaland
Maternal influenza infection during pregnancy is associated with increased risk of morbidity and mortality. However, the link between the anti-influenza immune responses and health-related risks during infection is not well understood. We have analyzed memory T and NK cell mediated immunity (CMI) responses in pandemic influenza A(H1N1)pdm09 (pdm09) virus infected non-vaccinated pregnant women participating in the Norwegian Influenza Pregnancy Cohort (NorFlu). The cohort includes information on immunization, self-reported health and disease status, and biological samples (plasma and PBMC)...
2017: PloS One
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