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https://www.readbyqxmd.com/read/29660299/infection-induced-thrombin-production-a-potential-novel-mechanism-for-preterm-premature-rupture-of-membranes-pprom
#1
Liping Feng, Terrence K Allen, William P Marinello, Amy P Murtha
BACKGROUND: Preterm premature rupture of membranes (PPROM) is a leading contributor to maternal and neonatal morbidity and mortality. Epidemiologic and experimental studies have demonstrated that thrombin causes fetal membrane weakening and subsequently PPROM. Although blood is suspected as the likely source of thrombin in fetal membranes and amniotic fluid of patients with PPROM, this has not been proven. Ureaplasma Parvum (U. parvum) is emerging as a pathogen involved in prematurity, including PPROM, but until now, prothrombin production directly induced by bacteria in fetal membranes has not been described...
April 13, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29656690/maternal-blood-endotoxin-activity-in-pregnancies-complicated-by-preterm-premature-rupture-of-membranes
#2
Stefania Ronzoni, Rohan D'Souza, Oksana Shynlova, Stephen Lye, Kellie E Murphy
OBJECTIVE: To compare maternal blood endotoxin activity (EA) in women with preterm premature rupture of membranes (PPROM) with gestational age (GA) matched controls; to evaluate serial EA till birth in pPROM and its correlation with latency to delivery. METHODS: We followed singleton preterm pregnancies from admission with PPROM until birth. Uncomplicated, GA-matched pregnancies served as controls. Demographics, birth and neonatal outcomes were collected. EA (EAA™) was assessed serially in PPROM and at study entry in controls...
April 15, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29545514/expression-and-clinical-significance-of-nod-like-receptor-protein-3-nlrp3-and-caspase-1-in-fetal-membrane-and-placental-tissues-of-patients-with-premature-rupture-of-membrane
#3
Jinming Zhu, Miao He, Chunling Ma, Fengyun Peng, Yuli Su, Lei Huang
BACKGROUND In this study, we aimed to investigate the expression of NOD-like receptor protein 3 (NLRP3) and caspase-1 in fetal membrane and placental tissues of patients with premature rupture of membrane (PROM), and to explore their role in PROM. MATERIAL AND METHODS Ninety women participated in this study: a control group of 30 healthy pregnant women, 30 with PPROM, and 30 with TPROM. Immunohistochemistry streptavidin-peroxidase (SP) assay was used to detect the protein expression of NLRP3 and caspase-1 in the fetal membrane and placental tissues...
March 16, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29537316/routine-second-trimester-cervical-length-screening-in-low-risk-women-identified-women-at-risk-of-a-very-preterm-birth-but-did-not-reduce-the-preterm-birth-rate-a-randomised-study-from-india
#4
Siddhidatri Mishra, Rashmi Bagga, Jasvinder Kalra, Vanita Jain, Sourabh Dutta
Women (n = 300) at 'low risk' for a preterm birth (PTB), a singleton pregnancy and for a 16-24 week period of gestation (POG) were randomised to undergo cervical length (CL) measurement by transvaginal sonography (TVS) or not. The aim was to see if routine CL measurement and treatment of a short CL reduced the PTB rate. 'Low risk' was defined by an absence of a prior abortion or PTB of a singleton infant (>16 to <37 weeks) due to a spontaneous preterm labour (PTL) or a preterm pre-labour rupture of membranes (pPROM)...
March 14, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29506420/maternal-serum-advanced-glycation-end-products-level-as-an-early-marker-for-predicting-preterm-labor-pprom-a-prospective-preliminary-study
#5
Hatice Kansu-Celik, Yasemin Tasci, Burcu Kisa Karakaya, Mehmet Cinar, Tuba Candar, Gamze Sinem Caglar
OBJECTIVE: To evaluate the value of maternal serum advanced glycation end products (AGEs) level at 11-13 weeks' gestation for the prediction of preterm labor and or preterm premature rupture of membranes (PPROM). MATERIALS AND METHODS: This prospective cross-sectional study is performed in a university-affiliated hospital between February and April 2016. The participants of this study are low risk pregnant women. Blood samples for maternal AGEs level were collected in the first trimester of pregnancy and all women completed their antenatal follow-up and delivered in our center...
March 5, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29496431/-in-the-case-of-premature-live-birth-is-very-early-rupture-of-the-membranes-an-additional-risk-factor-for-morbidity-and-mortality
#6
T Isnard, A Vincent-Rohfritsch, C Le Ray, F Goffinet, J Patkai, J Sibiude
OBJECTIVE: To describe survival rate after preterm premature rupture of membranes (PPROM) before 25 weeks of gestation and compare neonatal morbidity and mortality among those born alive with a control group of infants born at a similar gestational age without premature rupture of membranes. METHODS: We conducted a retrospective single-centre study at Port-Royal maternity, from 2007 to 2015, comparing neonatal outcomes between liveborninfants exposed to PPROM prior to 25 weeks of gestation (WG) and a control group not exposed to premature rupture of the membranes...
February 26, 2018: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29488433/correction-to-mousavi-et-al-comparison-between-maternal-and-neonatal-outcome-of-pprom-in-the-cases-of-amniotic-fluid-index-afi-of-more-and-less-than-5-cm
#7
(no author information available yet)
No abstract text is available yet for this article.
February 28, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29463188/progesterone-inhibits-apoptosis-in-fetal-membranes-by-altering-expression-of-both-pro-and-antiapoptotic-proteins
#8
Yuguang Wang, Vikki M Abrahams, Guoyang Luo, Nicholas G Norwitz, Victoria V Snegovskikh, Shu-Wing Ng, Errol R Norwitz
OBJECTIVE: Progesterone supplementation prevents preterm birth (PTB) in some high-risk women, but its mechanism of action is unknown. One-third of PTB is associated with preterm premature rupture of membranes (PPROMs). We have previously shown that progesterone inhibits basal and Tumor Necrosis Factor (TNF) α-induced apoptosis in an explant model of human fetal membranes. This study investigates the molecular mechanisms responsible for progesterone-mediated inhibition of apoptosis in fetal membranes...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29434061/immediate-neonatal-outcomes-of-preterm-infants-born-to-mothers-with-preterm-pre-labour-rupture-of-membranes
#9
Niveditha Dannapaneni, Tejopratap Oleti, Tarakeswari Surapaneni, Deepak Sharma, Srinivas Murki
Background & objectives: With the use of early and appropriate use of antibiotics, outcomes have improved in the mother-infant dyads exposed to preterm pre-labour rupture of membranes (PPROM). This study was undertaken to evaluate immediate neonatal outcomes in infants born before 33 completed weeks of gestation to mothers with PPROM versus without PPROM. Methods: During the study period from January 2013 to December 2013, a total of 182 mother-infant dyads were prospectively included in the study...
October 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29426264/comparison-between-maternal-and-neonatal-outcome-of-pprom-in-the-cases-of-amniotic-fluid-index-afi-of-more-and-less-than-5-cm
#10
Ashraf Sadat Mousavi, Neda Hashemi, Maryam Kashanian, Narges Sheikhansari, Arash Bordbar, Shayesteh Parashi
The study was performed on pregnant women with a gestational age of 26-32 weeks of pregnancy, who had been admitted to the hospital with a confirmed diagnosis of premature rupture of membranes. In all eligible women, ultrasounds were performed for the evaluation of amniotic fluid index. Then, the women were divided into two groups according to amniotic fluid index of ≥5 cm and <5 cm. These women were followed and monitored up to delivery. The women of the two groups did not have significant difference between them according to age, gestational age at the time of ruptured membrane, body mass index, gravidity, parity, gestational age at delivery and route of delivery...
February 9, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29395867/oncological-management-and-obstetric-and-neonatal-outcomes-for-women-diagnosed-with-cancer-during-pregnancy-a-20-year-international-cohort-study-of-1170-patients
#11
Jorine de Haan, Magali Verheecke, Kristel Van Calsteren, Ben Van Calster, Roman G Shmakov, Mina Mhallem Gziri, Michael J Halaska, Robert Fruscio, Christianne A R Lok, Ingrid A Boere, Paolo Zola, Petronella B Ottevanger, Christianne J M de Groot, Fedro A Peccatori, Karina Dahl Steffensen, Elyce H Cardonick, Evgeniya Polushkina, Lukas Rob, Lorenzo Ceppi, Gennady T Sukhikh, Sileny N Han, Frédéric Amant
BACKGROUND: Awareness is growing that cancer can be treated during pregnancy, but the effect of this change on maternal and neonatal outcomes is unknown. The International Network on Cancer, Infertility and Pregnancy (INCIP) registers the incidence and maternal, obstetric, oncological, and neonatal outcomes of cancer occurring during pregnancy. We aimed to describe the oncological management and obstetric and neonatal outcomes of patients registered in INCIP and treated in the past 20 years, and assess associations between cancer type or treatment modality and obstetric and neonatal outcomes...
March 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29381706/ocular-and-uteroplacental-pathology-in-a-macaque-pregnancy-with-congenital-zika-virus-infection
#12
Emma L Mohr, Lindsey N Block, Christina M Newman, Laurel M Stewart, Michelle Koenig, Matthew Semler, Meghan E Breitbach, Leandro B C Teixeira, Xiankun Zeng, Andrea M Weiler, Gabrielle L Barry, Troy H Thoong, Gregory J Wiepz, Dawn M Dudley, Heather A Simmons, Andres Mejia, Terry K Morgan, M Shahriar Salamat, Sarah Kohn, Kathleen M Antony, Matthew T Aliota, Mariel S Mohns, Jennifer M Hayes, Nancy Schultz-Darken, Michele L Schotzko, Eric Peterson, Saverio Capuano, Jorge E Osorio, Shelby L O'Connor, Thomas C Friedrich, David H O'Connor, Thaddeus G Golos
Congenital Zika virus (ZIKV) infection impacts fetal development and pregnancy outcomes. We infected a pregnant rhesus macaque with a Puerto Rican ZIKV isolate in the first trimester. The pregnancy was complicated by preterm premature rupture of membranes (PPROM), intraamniotic bacterial infection and fetal demise 49 days post infection (gestational day 95). Significant pathology at the maternal-fetal interface included acute chorioamnionitis, placental infarcts, and leukocytoclastic vasculitis of the myometrial radial arteries...
2018: PloS One
https://www.readbyqxmd.com/read/29380497/pprom-is-a-collateral-effect-of-improvement-in-perinatal-outcomes-following-fetoscopic-coagulation-of-chorionic-vessels-for-ttts-a-retrospective-observational-study-of-1092-cases
#13
J Stirnemann, F Djaafri, A Kim, I Mediouni, L Bussieres, E Spaggiari, C Veluppillai, A Lapillonne, E Kermorvant, J-F Magny, C Colmant, Y Ville
OBJECTIVE: Preterm premature rupture of membranes (PPROM) is a leading complication following fetoscopic laser coagulation (FLC) for twin-twin transfusion syndrome (TTTS). Our primary objective was to describe the impact of improvements in surgical technique on survival and rate of PPROM over time. The secondary objective was to assess potential risk factors for PPROM. DESIGN AND SETTING: Single center retrospective observational study. POPULATION: 1092 consecutive cases of TTTS operated by FLC, between 2000 and 2016, with a 6...
January 30, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29374983/management-of-twin-twin-transfusion-syndrome-with-an-extremely-short-cervix
#14
Myrna S Aboudiab, Andrew H Chon, Lisa M Korst, Arlyn Llanes, Joseph G Ouzounian, Ramen H Chmait
The objective of this study was to describe the management and perinatal outcomes of patients with twin-twin transfusion syndrome (TTTS) and an extremely short cervical length (CL). This retrospective study examined 17 patients with TTTS and a preoperative CL ≤1.0 cm who had undergone laser surgery and perioperative cervical cerclage placement successfully. In this subset of patients, the median interval between surgery and delivery was 9.6 (range 2.1-13.9) weeks and only one patient had PPROM within 3 weeks of surgery...
January 27, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29373884/effect-of-progesterone-on-latent-phase-prolongation-in-patients-with-preterm-premature-rupture-of-membranes
#15
Fatemeh Abdali, Simin Taghavi, Shabnam Vazifekhah, Mohammad Naghavi Behzad, Mohammad Mirza Aghazadeh Attari
Preterm premature rupture of membranes (PPROM) is a condition leading to an increased risk of maternal and neonatal morbidity and mortality in pregnant women. To prevent this complication, some studies have proposed using prophylactic progesterone. However, due to lack of sufficient relevant data, there is still need for further studies in this regard. This study was performed to determine the effect of rectal progesterone on the latent phase and maternal and neonatal outcome variables in females with PPROM...
December 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29372146/history-indicated-cerclage-the-association-between-previous-preterm-history-and-cerclage-outcome
#16
Kyong-No Lee, Eun-Jee Whang, Kylie Hae-Jin Chang, Ji-Eun Song, Ga-Hyun Son, Keun-Young Lee
Objective: Our hospital's policy is to perform history-indicated cerclage (HIC) for pregnant patients with 1 or more second-trimester pregnancy losses. Recently, the American College of Obstetricians and Gynecologists (ACOG) guideline regarding indications for HIC was changed from 3 or more previous second-trimester fetal losses to one or more. In this study, we aimed to evaluate the efficacy of the revised guideline and to investigate the association between previous preterm history and cerclage outcome...
January 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29369445/selected-maternal-fetal-and-placental-trace-element-and-heavy-metal-and-maternal-vitamin-levels-in-preterm-deliveries-with-or-without-preterm-premature-rupture-of-membranes
#17
Zehra Kucukaydin, Mertihan Kurdoglu, Zehra Kurdoglu, Halit Demir, Ibrahim H Yoruk
AIM: To compare maternal, fetal and placental trace element (magnesium, zinc and copper) and heavy metal (cadmium and lead) and maternal vitamin (retinol, α [alpha]-tocopherol, vitamin D3 , 25-hydroxyvitamin D3 and 1,25-dihydroxyvitamin D3 ) levels in preterm deliveries with and without preterm premature rupture of membranes (PPROM). METHODS: Sixty-eight patients giving birth preterm were grouped into preterm deliveries with PPROM (n = 35) and without PPROM (n = 33)...
January 25, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29361936/vaginal-dysbiosis-increases-risk-of-preterm-fetal-membrane-rupture-neonatal-sepsis-and-is-exacerbated-by-erythromycin
#18
Richard G Brown, Julian R Marchesi, Yun S Lee, Ann Smith, Benjamin Lehne, Lindsay M Kindinger, Vasso Terzidou, Elaine Holmes, Jeremy K Nicholson, Phillip R Bennett, David A MacIntyre
BACKGROUND: Preterm prelabour rupture of the fetal membranes (PPROM) precedes 30% of preterm births and is a risk factor for early onset neonatal sepsis. As PPROM is strongly associated with ascending vaginal infection, prophylactic antibiotics are widely used. The evolution of vaginal microbiota compositions associated with PPROM and the impact of antibiotics on bacterial compositions are unknown. METHODS: We prospectively assessed vaginal microbiota prior to and following PPROM using MiSeq-based sequencing of 16S rRNA gene amplicons and examined the impact of erythromycin prophylaxis on bacterial load and community structures...
January 24, 2018: BMC Medicine
https://www.readbyqxmd.com/read/29336681/exposure-to-firework-chemicals-from-production-factories-in-pregnant-women-and-risk-of-preterm-birth-occurrence-in-liuyang-china
#19
Xun Li, Hongzhuan Tan, Meiling Luo, Xinrui Wu, Xin Huang, Shujin Zhou, Lin Shen, Yue He, Yi Liu, Li Hu, Mengshi Chen, Shimin Hu, Shi Wu Wen
In the production of fireworks, various pollutants including particles of metals and organic compounds are released into the environment. Although the adverse effects of these air pollutants are known, the impact on pregnant women residing in this area remains to be determined. The aim of this study was to examine the association between maternal exposure to fireworks production chemicals and frequency of preterm birth in Liuyang, China. Maternal exposure to fireworks production was estimated at the residential district level and assessed using factory density, which was defined as the number of fireworks factories per 1000 residents in each district...
2018: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/29330408/collagen-type-1-accelerates-healing-of-ruptured-fetal-membranes
#20
Haruta Mogami, Annavarapu Hari Kishore, R Ann Word
Preterm premature rupture of membranes (pPROM) is a major cause of preterm birth. Recently, extracellular matrix-directed treatment is applied for wound healing. Here, we used a pregnant mouse model to test the efficacy of collagen type 1 gel for healing of the prematurely ruptured fetal membranes. Although injection of PBS into the ruptured fetal membranes resulted in 40% closure, injection of collagen type 1 improved closure rates to 90% within 72 h. Macrophages of the M2 wound healing phenotype were entrapped in the collagen layer...
January 12, 2018: Scientific Reports
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