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https://www.readbyqxmd.com/read/27861554/high-diversity-and-variability-in-the-vaginal-microbiome-in-women-following-preterm-premature-rupture-of-membranes-pprom-a-prospective-cohort-study
#1
Teenus Paramel Jayaprakash, Emily C Wagner, Julie van Schalkwyk, Arianne Y K Albert, Janet E Hill, Deborah M Money
OBJECTIVE: To characterize the vaginal microbiota of women following preterm premature rupture of membranes (PPROM), and determine if microbiome composition predicts latency duration and perinatal outcomes. DESIGN: A prospective cohort study. SETTING: Canada. POPULATION: Women with PPROM between 24+0 and 33+6 weeks gestational age (GA). METHODS: Microbiome profiles, based on pyrosequencing of the cpn60 universal target, were generated from vaginal samples at time of presentation with PPROM, weekly thereafter, and at delivery...
2016: PloS One
https://www.readbyqxmd.com/read/27831903/calciprotein-particles-as-potential-etiologic-agents-of-idiopathic-preterm-birth
#2
Lydia L Shook, Catalin S Buhimschi, Antonette T Dulay, Megan E McCarthy, John T Hardy, Christina M Duzyj Buniak, Guomao Zhao, Irina A Buhimschi
Preterm birth (PTB) is a leading cause of neonatal morbidity and mortality and is often preceded by preterm premature rupture of the membranes (PPROM) without an identifiable cause. Pathological calcification, the deposition of hydroxyapatite (HA) in nonskeletal tissues, has been implicated in degenerative diseases including atherosclerosis and aneurism rupture. Among pathogenic mechanisms, the aberrant aggregation of HA into calciprotein particles (CPPs) and the HA-induced differentiation of mesenchymal cells into osteoblasts (ectopic osteogenesis) have been implicated...
November 9, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27825282/relationship-between-maternal-c-reactive-protein-level-and-neonatal-outcome-in-patients-with-preterm-premature-rupture-of-membranes-treated-with-ampicillin-and-azithromycin
#3
Mehmet Serdar Kutuk, Osman Bastug, Ahmet Ozdemir, Mehmet Adnan Ozturk, Mahmut Tuncay Ozgun, Mustafa Basbug, Tamer Gunes, Selim Kurtoglu
This historical cohort study aimed to assess the relationship between antenatal maternal C-reactive protein (CRP) level and neonatal outcome preterm premature rupture of membranes (PPROM). We reviewed the records of 70 singleton pregnancies with PPROM between 24 and 34 weeks. Maternal CRP levels of neonates with respiratory distress syndrome, neonatal sepsis, grade 3-4 intraventricular haemorrhage and stage 2-3 necrotizing enterocolitis, perinatal mortality were compared with those without these complications...
August 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27821983/using-sonographically-estimated-myometrial-thickness-in-prediction-of-latency-interval-in-cases-of-preterm-premature-rupture-of-membranes-pprom
#4
Richa Gupta, Ajit Nagarsenkar
OBJECTIVES: To study myometrial thickness (MT) sonographically as a predictor of latency interval in women with preterm premature rupture of membranes (PPROM). STUDY DESIGN: The data were collected in a prospective manner from the antenatal patients between November 2011 and June 2013 during the follow-up of patients in the Department of Obstetrics and Gynecology, Goa Medical College. 100 patients with the periods of gestation of 28-36 weeks were studied, out of which 50 were PPROM cases and 50 were controls, both not in labor...
December 2016: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/27811444/morbidities-concordance-and-predictors-of-preterm-premature-rupture-of-membranes-among-pregnant-women-at-the-university-of-nigeria-teaching-hospital-unth-enugu-nigeria
#5
T C Okeke, J O Enwereji, C O Adiri, C I Onwuka, E S Iferikigwe
BACKGROUND: Preterm premature rupture of membranes (PPROM) is a challenging complication of pregnancies and an important cause of perinatal morbidity and mortality. Management of morbidities associated with PPROM is fraught with controversy. However, women should be informed of these complications. OBJECTIVE: This article aimed to review the morbidities, concordance, and predictors of PPROM over a 10-year period. METHODS: This was a retrospective review of morbidities, concordance, and predictors of PPROM among pregnant women at the University of Nigeria Teaching Hospital, Enugu, Nigeria between January 1, 1999, and December 31, 2008...
November 2016: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/27806672/amniotic-fluid-clusterin-in-pregnancies-complicated-by-the-preterm-prelabor-rupture-of-membranes
#6
Ivana Musilova, Ctirad Andrys, Marcela Drahosova, Ondrej Soucek, Lenka Pliskova, Martin Stepan, Tomas Bestvina, Jan Maly, Bo Jacobsson, Marian Kacerovsky
OBJECTIVE: The aim of this study was to evaluate clusterin concentrations in amniotic fluid in pregnancies complicated by preterm prelabor rupture of membranes (PPROM) with respect to the presence of the microbial invasion of the amniotic cavity (MIAC), intra-amniotic inflammation (IAI), and microbial-associated IAI. METHODS: One hundred thirty-six women with singleton pregnancies complicated by preterm prelabor rupture of membranes were included in this study. Amniotic fluid samples were obtained by transabdominal amniocentesis...
November 2, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27794570/limiting-the-exposure-of-select-fetuses-to-intrauterine-infection-inflammation-improves-short-term-neonatal-outcomes-in-preterm-premature-rupture-of-membranes
#7
Karen L Archabald, Irina A Buhimschi, Mert O Bahtiyar, Antonette T Dulay, Sonya S Abdel-Razeq, Christian M Pettker, Heather S Lipkind, John T Hardy, Megan E McCarthy, Guomao Zhao, Vineet Bhandari, Catalin S Buhimschi
BACKGROUND: To improve neonatal outcomes in pregnancies at heightened risk for early-onset neonatal sepsis (EONS), there is a need to identify fetuses that benefit from expectant management as opposed to early delivery. Detectable haptoglobin and haptoglobin-related protein (Hp&HpRP switch-on status) in cord blood has been proposed as a biomarker of antenatal exposure to intra-amniotic infection and/or inflammation (IAI), an important determinant of EONS. SUBJECTS AND METHODS: We analyzed 185 singleton newborns delivered secondary to preterm premature rupture of membranes (PPROM)...
October 29, 2016: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/27780541/atf3-is-a-negative-regulator-of-inflammation-in-human-fetal-membranes
#8
Ratana Lim, Gillian Barker, Stella Liong, Caitlyn Nguyen-Ngo, Stephen Tong, Tu'uhevaha Kaitu'u-Lino, Martha Lappas
INTRODUCTION: Infection and inflammation stimulate pro-inflammatory cytokines, prostaglandins and matrix metalloproteinase (MMP)-9, which play a central role in myometrial contractions and rupture of fetal membranes. In human and mouse immune cells, activating transcription factor 3 (ATF3) is a negative regulator of inflammation. No studies have examined the role of ATF3 in human labour. METHODS: Primary amnion cells were used to determine the effect of interleukin (IL)-1β and the bacterial product fibroblast-stimulating lipopeptide (fsl-1) on ATF3 expression, and the effect of ATF3 siRNA on pro-labour mediators...
November 2016: Placenta
https://www.readbyqxmd.com/read/27780154/maternal-and-neonatal-outcomes-following-expectant-management-of-preterm-prelabour-rupture-of-membranes-before-viability
#9
Winnie Huiyan Sim, Edward Araujo Júnior, Fabricio Da Silva Costa, Penelope Marie Sheehan
AIM: To assess the contemporary maternal and neonatal outcomes following expectant management of preterm premature rupture of membranes (PPROM) prior to 24 weeks' gestation and to identify prognostic indicators of this morbid presentation. METHODS: We performed a systematic review in the Pubmed and EMBASE databases to identify the primary (perinatal mortality, severe neonatal morbidity and serious maternal morbidity) and secondary (neonatal survival and morbidity) outcomes following expectant management of previable PPROM...
October 25, 2016: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/27769742/all-trans-retinoic-acid-promotes-wound-healing-of-primary-amniocytes-through-the-induction-of-loxl4-a-member-of-the-lysyl-oxidase-family
#10
Marion Rouzaire, Aurélie Comptour, Corinne Belville, Damien Bouvier, Gaël Clairefond, Flora Ponelle, Vincent Sapin, Denis Gallot, Loïc Blanchon
Thirty percent of preterm births directly result from preterm premature rupture of fetal membranes (PPROM). Clinical management currently proposes using a collagen plug to mechanically stop loss of amniotic fluid. Vitamin A and its active metabolite (retinoic acid) have well-known pro-healing properties and could thus make good candidates as a proposable adjuvant to this mechanical approach. Here we investigate the molecular mechanisms involved in the pro-healing properties of all-trans retinoic acid (atRA) in fetal membranes via an approach using an in vitro primary amniocyte wound model and transcriptomics...
December 2016: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/27744438/vaginal-probiotic-administration-in-the-management-of-preterm-premature-rupture-of-membranes
#11
George J Daskalakis, Alexis K Karambelas
OBJECTIVE: To examine the influence of vaginal probiotic administration as an adjunct to standard antibiotic treatment on perinatal outcome in women with preterm premature rupture of membranes (PPROM). MATERIALS AND METHODS: This was a prospective randomized trial of cases with PPROM (24-34 weeks) that were admitted to our department between 2011 and 2015. Forty-nine cases received vaginal probiotics for 10 days in combination with antibiotic prophylaxis and were compared to 57 others that received only antibiotics for the same time period...
October 15, 2016: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/27713876/the-relationship-between-macro-and-micro-nutrients-intake-and-risk-of-preterm-premature-rupture-of-membranes-in-pregnant-women-of-isfahan
#12
Akbar Hassanzadeh, Zamzam Paknahad, Masoomeh Goodarzi Khoigani
BACKGROUND: Since preterm premature rupture of membranes (PPROM) is one of the most important complications of pregnancy and its relationship with nutrition status have not been surveyed comprehensively, we decided to study the relationship of maternal received nutrients (36 macro- and micro-nutrients) in three trimesters and PPROM which could be considered as a unique study. MATERIALS AND METHODS: In this prospective cohort study, data was collected by filling a questionnaire through interviews with 620 pregnant women who had no parameters to affect pregnancy outcome...
2016: Advanced Biomedical Research
https://www.readbyqxmd.com/read/27696344/velamentous-or-marginal-cord-insertion-and-the-risk-of-spontaneous-preterm-birth-prelabor-rupture-of-the-membranes-and-anomalous-cord-length-a-population-based-study
#13
Cathrine Ebbing, Synnøve Lian Johnsen, Susanne Albrechtsen, Ingvild Dahl Sunde, Christina Vekseth, Svein Rasmussen
INTRODUCTION: Anomalous cord insertion is associated with increased risk of adverse maternal and perinatal outcome. We aimed to study whether anomalous cord insertion is associated with prelabor rupture of membranes (PROM), preterm PROM (pPROM), long or short umbilical cord, and time trend of spontaneous preterm birth (SPTB) and anomalous cord insertion. MATERIAL AND METHODS: A population-based register study using data from the Medical Birth Register of Norway including all singleton births (gestational age >16 weeks and <45 weeks) during the period 1999-2013 (n=860465) to calculate odds ratios (ORs) for PROM, pPROM, SPTB, and cord length (>95(th) or <5(th) centile) according to the cord insertion site by logistic regression with adjustment for possible confounders...
October 3, 2016: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/27690725/histological-chorioamnionitis-in-pre-term-pre-labor-rupture-of-the-membranes-is-associated-with-increased-expression-of-galectin-3-by-amniotic-epithelium
#14
Ivana Stefanoska, Jasmina Tadić, Aleksandra Vilotić, Milica Jovanović Krivokuća, Tamara Abu Rabi, Ljiljana Vićovac
PURPOSE: Gal-3, which can regulate immune responses upon infection and inflammation, was not studied so far in intrauterine infection leading to pre-term pre-labor rupture of the membranes (PPROM), although gal-1 was reported to be implicated in the process. Gal-3 mRNA and protein expression in amnion and its changes during histological chorioamnionitis were studied here. MATERIALS AND METHODS: Fetal membranes were obtained from women with PPROM with (n =15) and without histological chorioamnionitis (n =15) during second and third trimester...
October 3, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27687157/comparison-of-antibiotic-regimens-in-preterm-premature-rupture-of-membranes-neonatal-morbidity-and-2-year-follow-up-of-neurologic-outcome
#15
Kylie Hae-Jin Chang, Hyun-Joo Kim, Hee Joon Yu, Jeehun Lee, Jung-Sun Kim, Suk-Joo Choi, Soo-Young Oh, Cheong-Rae Roh, Jong-Hwa Kim
OBJECTIVES: The objective of this study was to compare neonatal morbidity and neurologic outcome at 2 years between groups treated with antibiotics regimens consisting clarithromycin and erythromycin in preterm premature rupture of the membranes (pPROM) patients delivered before 32 weeks of gestation. METHODS: This was a retrospective study comparing neonatal morbidity as primary outcome measures and the neurological outcome at 2 years as secondary outcome. RESULTS: A total of 166 women were included: 80 treated with erythromycin and 86 treated with clarithromycin...
October 20, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27684473/alarmin-high-mobility-group-box-1-in-maternal-serum-as-a-potential-biomarker-of-chorioamnionitis-associated-preterm-birth
#16
Xiao-Yuan Qiu, Lu Sun, Xue-Ling Han, Ying Chang, Lan Cheng, Li-Rong Yin
Chorioamnionitis is associated with an increased risk of spontaneous preterm birth. The aim of this study was to investigate the serum levels of high mobility group box-1 (HMGB1) in pregnancies with histological chorioamnionitis (HCA)-associated preterm labor (PTL) with intact membranes or preterm premature rupture of membranes (PPROM), and to access the role of serum HMGB1 in HCA and HCA-associated PTL. A total of 190 pregnant women were enrolled in this study: PLT patients with (n = 28) or without HCA (n = 36), PPROM patients with (n = 26) or without HCA (n = 65), and non-HCA PTL controls (n = 35)...
August 12, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27651602/impact-of-high-bmi-on-pregnancy-maternal-and-foetal-outcome
#17
Varsha L Deshmukh, Milind Jadhav, Kanan Yelikar
AIM AND OBJECTIVES: To review the effects of obesity (BMI > 30) on antepartum risk/intrapartum risk. To study neonatal outcome of pregnant women with raised BMI. MATERIAL METHOD: BMI of 500 pregnant women booked before 12 weeks calculated and categorised as normal, overweight, obese and morbidly obese at GMCH, Aurangabad. Pregnant women with systemic disease and previous LSCS were excluded. Antepartum, intrapartum and neonatal variables were studied, and statistical analysis was carried out...
October 2016: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/27651029/amniotic-fluid-cathepsin-g-in-pregnancies-complicated-by-the-preterm-prelabor-rupture-of-membranes
#18
Ivana Musilova, Ctirad Andrys, Marcela Drahosova, Ondrej Soucek, Lenka Pliskova, Martin Stepan, Tomas Bestvina, Jan Maly, Bo Jacobsson, Marian Kacerovsky
OBJECTIVE: The aim of this study was to evaluate the amniotic fluid cathepsin-G concentrations in women with preterm prelabor rupture of membranes (PPROM) based on the presence of the microbial invasion of the amniotic cavity (MIAC) and/or intra-amniotic inflammation (IAI). METHODS: A total of 154 women with singleton pregnancies complicated by PPROM were included in this study. Amniotic fluid samples were obtained by transabdominal amniocentesis. Amniotic fluid cathepsin-G concentrations were assessed by ELISA...
October 9, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27639266/placental-malperfusion-as-a-possible-mechanism-of-preterm-birth-in-patients-with-m%C3%A3-llerian-anomalies
#19
Jovana Lekovich, Joshua Stewart, Sarah Anderson, Erin Niemasik, Nigel Pereira, Stephen Chasen
OBJECTIVE: Müllerian anomalies are associated with increased risk of miscarriage, intrauterine growth restriction (IUGR) and preterm birth. While a commonly implicated cause is restricted expansion of endometrial cavity, alternatively it could be due to abnormal placentation. We sought to examine clinical and histopathologic factors associated with preterm delivery in women with Müllerian anomalies. STUDY DESIGN: One hundred and eleven singleton pregnancies in 85 women were analyzed retrospectively...
August 17, 2016: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/27627792/early-use-of-inhaled-nitric-oxide-in-preterm-infants-is-there-a-rationale-for-selective-approach
#20
Praveen Chandrasekharan, Rafal Kozielski, Vasantha H S Kumar, Munmun Rawat, Veena Manja, Changxing Ma, Satyan Lakshminrusimha
Inhaled nitric oxide (iNO) is being increasingly used in preterm infants < 34 weeks with hypoxemic respiratory failure (HRF) and/or pulmonary hypertension (PH). Objective To evaluate the risk factors, survival characteristics, and lung histopathology in preterm infants with PH/HRF. Methods Retrospective chart review was conducted to determine characteristics of 93 preterm infants treated with iNO in the first 28 days and compared with 930 matched controls. Factors associated with survival with preterm HRF and smooth muscle actin from nine autopsies were evaluated...
September 14, 2016: American Journal of Perinatology
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