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Pregnant colonization

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https://www.readbyqxmd.com/read/28515218/group-b-streptococcus-among-pregnant-women-and-newborns-in-mirzapur-bangladesh-colonization-vertical-transmission-and-serotype-distribution
#1
Samir K Saha, Zabed B Ahmed, Joyanta K Modak, Hakka Naziat, Shampa Saha, Mohammad A Uddin, Maksuda Islam, Abdullah H Baqui, Gary L Darmstadt, Stephanie J Schrag
Group B Streptococcus (GBS) infection is a leading cause of death in newborns in developed countries. Data on burden of GBS in Asian countries is lacking. This study aimed to understand i) rate of maternal recto-vaginal GBS carriage, ii) vertical transmission of GBS as determined by culturing ear, umbilicus and nasal swabs, and iii) distribution of GBS serotypes. This prospective observational study was conducted from September 2012 to November 2013 at Kumudini Hospital, a secondary level hospital, at Mirzapur, Bangladesh...
May 17, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28507642/diagnostic-imaging-of-pregnant-women-the-role-of-magnetic-resonance-imaging
#2
Monika Bekiesińska-Figatowska, Anna Romaniuk-Doroszewska, Sylwia Szkudlińska-Pawlak, Agnieszka Duczkowska, Jarosław Mądzik, Martyna Szopa-Krupińska, Tomasz M Maciejewski
BACKGROUND: Presentation of magnetic resonance imaging (MRI) findings in pregnant women in the Department of Diagnostic Imaging, Institute of Mother and Child, Warsaw, Poland. MATERIAL/METHODS: Forty-three symptomatic pregnant women underwent MRI between 9 and 33 weeks of gestation (mean of 23 weeks). Moreover, we included 2 pregnant women who underwent fetal MRI and had incidental abnormalities. RESULTS: In 9 cases, we excluded the suspected brain abnormalities...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28507070/limited-colonization-undermined-by-inadequate-early-immune-responses-define-the-dynamics-of-decidual-listeriosis
#3
Gabrielle Rizzuto, Elisa Tagliani, Priyanka Manandhar, Adrian Erlebacher, Anna I Bakardjiev
The bacterial pathogen Listeria monocytogenes causes a food-borne systemic disease in pregnant women that can lead to preterm labor, stillbirth, or severe neonatal disease. Colonization of the maternal decidua appears to be an initial step in the maternal component of the disease as well as bacterial transmission to the placenta and fetus. Host-pathogen interactions in the decidua during this early stage of infection remain poorly understood. Here, we assessed the dynamics of L. monocytogenes infection in primary human decidual organ cultures and in the murine decidua in vivo...
May 15, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28504863/diagnostic-accuracy-of-polymerase-chain-reaction-for-intrapartum-detection-of-group-b-streptococcus-colonization
#4
Rikke Bek Helmig, Jan Berg Gertsen
Many pregnant women are treated with antibiotics during labor to prevent transmission of group B Streptococcus (GBS, Streptococcus agalactiae) to their baby during the passage of the birth canal, and thus reducing the risk of serious infection of the newborn. Methods for intrapartum testing for GBS has been introduced to select women for whom intrapartum antibiotic prophylaxis should be offered. For such an intrapartum test to be useful in clinical practice, it has to be specific as well as sensitive. The aim of the present study is to evaluate the accuracy of the polymerase chain reaction (PCR) assay compared to an optimized culture method for GBS MATERIAL AND METHODS: In the period from 12...
May 15, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28483662/the-management-of-polyps-in-female-reproductive-organs
#5
REVIEW
Vasilios Tanos, Kelsey Elizabeth Berry, Jaana Seikkula, Elissa Abi Raad, Andreas Stavroulis, Zaki Sleiman, Rudi Campo, Stephan Gordts
Polyps of the lower reproductive tract are found in 7.8-50% of women. It has been hypothesized that cytogenetic modifications on chromosomes 6, 7 and 12 as well as epigenetic factors involving enzyme and metabolic activities may cause polyps to develop. Cervical polyps found in 2-5% of cases are of low clinical significance and can cause, although rarely, post coital bleedings. Cervical polyps grow during pregnancy and mucorrhoea. Trans vaginal ultrasound (TVU) provides an excellent diagnostic technique to diagnose the size and the anatomic location of endometrial polyps (EPs)...
May 5, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28480290/group-b-streptococci-colonization-in-pregnant-guatemalan-women-prevalence-risk-factors-and-vaginal-microbiome
#6
Anne-Marie Rick, Angie Aguilar, Rosita Cortes, Remei Gordillo, Mario Melgar, Gabriela Samayoa-Reyes, Daniel N Frank, Edwin J Asturias
BACKGROUND: Infection causes 1 of every 5 neonatal deaths globally. Group B Streptococcus (GBS) is the most significant pathogen, although little is known about its epidemiology and risk in low-income countries. METHODS: A cross-sectional study in 2015 at a public hospital in Guatemala City enrolled women ≥35 weeks' gestation. Vaginal and rectal swabs were processed using Lim broth and GBS CHROMagar then agglutination testing. Risk factors were assessed using multivariate analysis...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28480255/risk-factors-for-influenza-associated-severe-acute-respiratory-illness-hospitalization-in-south-africa-2012-2015
#7
Stefano Tempia, Sibongile Walaza, Jocelyn Moyes, Adam L Cohen, Claire von Mollendorf, Florette K Treurnicht, Marietjie Venter, Marthi Pretorius, Orienka Hellferscee, Senzo Mtshali, Mpho Seleka, Akhona Tshangela, Athermon Nguweneza, Johanna M McAnerney, Nicole Wolter, Anne von Gottberg, Halima Dawood, Ebrahim Variava, Shabir A Madhi, Cheryl Cohen
BACKGROUND: Data on risk factors for influenza-associated hospitalizations in low- and middle-income countries are limited. METHODS: We conducted active syndromic surveillance for hospitalized severe acute respiratory illness (SARI) and outpatient influenza-like illness (ILI) in 2 provinces of South Africa during 2012-2015. We compared the characteristics of influenza-positive patients with SARI to those with ILI to identify factors associated with severe disease requiring hospitalization, using unconditional logistic regression...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28463661/group-b-streptococcal-bacteriuria-during-pregnancy-as-a-risk-factor-for-maternal-intrapartum-colonization-a-prospective-cohort-study
#8
Mar Olga Pérez-Moreno, Ester Picó-Plana, Jesús Grande-Armas, Mª José Centelles-Serrano, Mercé Arasa-Subero, Núria Colomé- Ochoa, Members Of The Study Group Gessagte Led By Mo Pérez-Moreno
PURPOSE: Current evidence is inconclusive regarding the intrapartum administration of chemoprophylaxis, merely based on the presence of group B streptococcal (GBS) bacteriuria of any colony count, in the prevention of early-onset neonatal GBS infection. The aim of this study was to assess whether GBS bacteriuria is a risk factor for intrapartum colonization (IPC) regardless of urinary concentration or the results of late third-trimester rectovaginal screening cultures (RVSCs). METHODOLOGY: Six hundred and eight pregnant women, with urine specimens cultured between May 2011 and May 2013, were enrolled in this prospective cohort study...
April 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28449969/association-between-functional-antibody-against-group-b-streptococcus-and-maternal-and-infant-colonization-in-a-gambian-cohort
#9
Kirsty Le Doare, Amadou Faal, Mustapha Jaiteh, Francess Sarfo, Stephen Taylor, Fiona Warburton, Holly Humphries, Jessica Birt, Sheikh Jarju, Saffiatou Darboe, Edward Clarke, Martin Antonio, Ebenezer Foster-Nyarko, Paul T Heath, Andrew Gorringe, Beate Kampmann
BACKGROUND: Vertical transmission of Group B Streptococcus (GBS) is a prerequisite for early-onset disease and a consequence of maternal GBS colonization. Disease protection is associated with maternally-derived anti-GBS antibody. Using a novel antibody-mediated C3b/iC3b deposition flow cytometry assay which correlates with opsonic killing we developed a model to assess the impact of maternally-derived functional anti-GBS antibody on infant GBS colonization from birth to day 60-89 of life...
May 19, 2017: Vaccine
https://www.readbyqxmd.com/read/28447406/the-prenatal-gut-microbiome-are-we-colonized-with-bacteria-in-utero
#10
REVIEW
R W Walker, J C Clemente, I Peter, R J F Loos
The colonization of the gut with microbes in early life is critical to the developing newborn immune system, metabolic function and potentially future health. Maternal microbes are transmitted to offspring during childbirth, representing a key step in the colonization of the infant gut. Studies of infant meconium suggest that bacteria are present in the foetal gut prior to birth, meaning that colonization could occur prenatally. Animal studies have shown that prenatal transmission of microbes to the foetus is possible, and physiological changes observed in pregnant mothers indicate that in utero transfer is likely in humans as well...
April 26, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/28446575/evaluation-of-strepb-select-chromagar-and-the-fast-track-diagnostics-group-b-streptococcus-gbs-real-time-polymerase-chain-reaction-assay-compared-to-routine-culture-for-detection-of-gbs-during-antepartum-screening
#11
Deirdre L Church, Heather Baxter, Tracie Lloyd, Oscar Larios, Daniel B Gregson
Life-threatening infection in neonates due to Group B Streptococcus (GBS) is preventable by screening near-term pregnant women and treatment at delivery. 295 vaginal-rectal swabs were collected from women attending antepartum clinics in Calgary. GBS colonization was detected by the standard culture method (Strep B Carrot broth subbed to blood agar with a neomycin disk), and compared to recovery using Strep Group B Broth (Dalynn Biologicals) subbed to StrepB Select chromagar (CA) (Bio-Rad Laboratories), and the Fast Track Diagnostics GBS real-time PCR (qPCR) assay (Phoenix Airmid Biomedical Corp...
April 26, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28385421/prevalence-of-candida-albicans-candida-dubliniensis-and-candida-africana-in-pregnant-women-suffering-from-vulvovaginal-candidiasis-in-argentina
#12
María Josefina Mucci, María Luján Cuestas, María Fernanda Landanburu, María Teresa Mujica
BACKGROUND: Vulvovaginal candidiasis (VVC) is a vulvovaginitis commonly diagnosed in gynecology care. In recent years, the taxonomy of the most important pathogenic Candida species, such as Candida albicans have undergone significant changes. AIMS: This study examined the prevalence of C. albicans, Candida africana, and Candida dubliniensis in vaginal specimens from 210 pregnant women suffering from vulvovaginitis or having asymptomatic colonization. METHODS: Phenotypic and molecular methods were used for the identification of the species...
April 3, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28367139/antibiotic-prevention-for-maternal-group-b-streptococcal-colonization-on-neonatal-gbs-related-adverse-outcomes-a-meta-analysis
#13
REVIEW
Shunming Li, Jingya Huang, Zhiyao Chen, Dan Guo, Zhenjiang Yao, Xiaohua Ye
Maternal colonization with group B Streptococcus (GBS) during pregnancy increases the risk of neonatal infection by vertical transmission. However, it remains unclear whether treating all colonized women during labor exposes a large number of their neonates to possible adverse effects without benefit. We performed a meta-analysis to assess the effect of intrapartum antibiotic prophylaxis on neonatal adverse outcomes. We identified studies by searching several English and Chinese electronic databases and reviewing relevant articles...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28323221/laparoscopic-promontohysteropexy-during-pregnancy
#14
L Pirtea, O Balint, C Secosan, R Ilina, D Grigoras
STUDY OBJECTIVE: to present a case of uterine prolapse in a 10 weeks pregnant patient that was successfully treated by laparoscopic promontohysteropexy. To our knowledge, this is the first case of laparoscopic promontopexy during pregnancy to ever be reported in literature. DESIGN: step by step explanation of the surgery using video SETTING: Uterine prolapse is a rare condition in young patients and extremely are in pregnant women. The incidence of uterine prolapse during pregnancy reported in literature is 1 per 10...
March 17, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28304326/group-b-streptococcus-colonization-and-hiv-in-pregnancy-a-cohort-study-in-nigeria
#15
R Biobaku Oluwafunmilola, O Olaleye Atinukek, F Adefusi Olorunwa, A Adeyemi Babalola, O Onipede Anthony, M Loto Olabisi, O Imaralu John
BACKGROUND: Group B streptococcus (GBS) is a leading cause of maternal and neonatal infectious morbidity. HIV is prevalent among pregnant women in Nigeria. AIM: To determine the rates of anogenital GBS colonization in our institution and compare GBS colonization rates between HIV positive and negative pregnant women. METHODS: A cross-sectional comparative study was conducted over 6 months. Patients were separated according to their HIV status: positive and negative...
March 16, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28283094/the-relationship-of-candida-colonization-of-the-oral-and-vaginal-mucosae-of-mothers-and-oral-mucosae-of-their-newborns-at-birth
#16
Rund M Al-Rusan, Azmi M G Darwazeh, Isam M Lataifeh
OBJECTIVE: Vaginal Candida colonization is common during pregnancy. Vaginal Candida may transmit vertically to the mouth of newborns during labor. The aim of this study was to assess and compare oral Candida colonization between vaginally born newborns and cesarean-born newborns and to investigate the association of the mother's vaginal and oral Candida colonization and the newborn's oral colonization at the time of delivery. STUDY DESIGN: Culture swabs were collected from the oral and vaginal mucosae of 100 pregnant women and from the oral mucosa of their 100 full-term newborns...
April 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28274774/group-b-streptococcal-colonization-and-transmission-dynamics-in-pregnant-women-and-their-newborns-in-nigeria-implications-for-prevention-strategies
#17
Nubwa Medugu, Kenneth C Iregbu, Robert E Parker, Jessica Plemmons, Pallavi Singh, Lamidi I Audu, Efena Efetie, H Dele Davies, Shannon D Manning
OBJECTIVES: Because few studies have been conducted on group B Streptococcus (GBS) in Nigeria, we sought to estimate GBS colonization and transmission frequencies for 500 women and their newborns and identify risk factors for both outcomes. METHODS: GBS strains were characterized for antibiotic susceptibilities, capsule (cps) genotype, pilus island profile, and multilocus sequence type (ST). RESULTS: In all, 171 (34.2%) mothers and 95 (19...
March 5, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28273703/-the-composition-of-the-gastrointestinal-bacterial-flora-of-mouse-embryos-and-the-placenta-tissue-bacterial-flora
#18
D Lei, Y Lin, X Jiang, L Lan, W Zhang, B X Wang
Objective: To explore the composition of the gastrointestinal bacterial flora of mouse embryos and the placenta tissue bacterial flora. Method: Twenty-four specimens were collected from pregnant Kunming mouse including 8 mice of early embryonic (12-13 days) gastrointestinal tissues, 8 cases of late embryonic (19-20 days)gastrointestinal tissues, 8 of late pregnancy placental tissues.The 24 samples were extracted by DNeasy Blood & Tissue kit for high-throughput DNA sequencing. Result: The level of Proteobacteria, Bacteroidetes, Actino-bacteria and Firmicutes were predominantin all specimens...
March 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28257513/effect-of-mycoplasma-hominis-and-cytomegalovirus-infection-on-pregnancy-outcome-a-prospective-study-of-200-mongolian-women-and-their-newborns
#19
Byambaa Otgonjargala, Kathrin Becker, Gunchin Batbaatar, Sandag Tsogtsaikhan, Jamsranjav Enkhtsetseg, Altangerel Enkhjargal, Klaus Pfeffer, Ortwin Adams, Chimeddorj Battogtokh, Birgit Henrich
In Mongolia, diagnostic tests for the detection of the sexually transmitted mycoplasmas, ureaplasmas, Herpes simplex virus (HSV), and cytomegalovirus (CMV) are currently not routinely used in clinical settings and the frequency of these STIs are enigmatic. The prevalence of these STI pathogens were prospectively evaluated among 200 Mongolian pregnant women and their newborns and correlated with pregnancy outcome. TaqMan PCRs were used to detect bacterial and viral STI pathogens in pre-birth vaginal swabs of the pregnant women and in oral swabs of their newborns...
2017: PloS One
https://www.readbyqxmd.com/read/28237500/prospects-for-preventing-infant-invasive-gbs-disease-through-maternal-vaccination
#20
Shabir A Madhi, Ziyaad Dangor
Group B streptococcus (GBS) is a leading cause of neonatal sepsis, with the highest incidence (1.3 per 1000 live births) reported from Africa. Although the incidence of invasive GBS disease is reportedly low in South Asia, there is disconnect between prevalence of maternal recto-vaginal colonization and the incidence of early-onset disease (EOD). This is possibly due to case-ascertainment biases that omit investigation of newborns dying on day-0 of life, which accounts for >90% of EOD. Furthermore, GBS is associated with approximately 15% of all infection related stillbirths...
February 22, 2017: Vaccine
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