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Chorioamniotitis

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https://www.readbyqxmd.com/read/28453379/pseudoamniotic-band-syndrome-post-fetal-thoracoamniotic-shunting-for-bilateral-hydrothorax
#1
Michelle Han, Yalda Afshar, Andrew H Chon, Emily Scibetta, Rashmi Rao, Ramen H Chmait
INTRODUCTION: Pseudoamniotic band syndrome (PABS) occurs iatrogenically after fetal surgery or amniocentesis due to chorioamniotic membrane separation. Separation of the amnion from the chorion can expand to form fibrous amniotic bands that can envelope fetal limbs or the umbilical cord, with consequences ranging from limb constriction to fetal demise. CASE REPORT: We report a case of bilateral fetal pleural effusions at 27 weeks' gestation treated by bilateral thoracoamniotic shunts...
April 28, 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/28451045/-prelabour-rupture-of-membranes-prom-at-term-prognostic-factors-and-neonatal-consequences
#2
Asmama Yasmina, Amina Barakat
Prelabour rupture of membranes (PROM) at term occurs in 5 to 10% of pregnancies. It accounts for a significant proportion of neonatal morbidity and mortality. The aim of this case study was to determine the maternal and obstetric prognostic factors as well as full-term newborns outcomes in pregnancies complicated by prelabour rupture of membranes in patients hospitalized or managed at the outpatient clinic. We conducted a retrospective study of all cases of full-term infants born to mothers whose pregnancy was complicated by PROM, recorded in the neonatology department at the Children's Hospital of Rabat between 1 January and 31 July 2014...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28434005/chorioamniotic-membrane-separation-after-fetoscopic-laser-photocoagulation
#3
Mayumi Takano, Masahiko Nakata, Susumu Murata, Masahiro Sumie, Mineto Morita
INTRODUCTION: This study aimed to investigate the risk factors, incidence, and influence on the perinatal outcome of chorioamniotic membrane separation (CMS) after fetoscopic laser photocoagulation (FLP). MATERIAL AND METHODS: This retrospective study included 312 women who underwent FLP for twin-to-twin transfusion syndrome (TTTS). Clinical records were used to review obstetrical examinations, complications, operative data, ultrasonographic findings, and perinatal and neonatal follow-up data in all patients...
April 22, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28334569/incidence-and-risk-factors-of-caesarean-section-in-preterm-breech-births-a-population-based-cohort-study
#4
Elsa Lorthe, Mathilde Quere, Loïc Sentilhes, Pierre Delorme, Gilles Kayem
OBJECTIVES: To describe the incidence of breech presentation at 22-34 weeks' gestation, estimate the incidence of cesarean section delivery by cause of prematurity, and assess the factors associated with caesarean delivery in preterm breech births with preterm labor or preterm premature rupture of membranes. STUDY DESIGN: EPIPAGE 2 is a French national prospective population-based cohort study of preterm births that occurred in 546 maternity units in 2011. We estimated the overall incidence of breech presentation and the incidence of cesarean delivery by cause of prematurity...
May 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28226203/characteristic-changes-in-decidual-gene-expression-signature-in-spontaneous-term-parturition
#5
Haidy El-Azzamy, Andrea Balogh, Roberto Romero, Yi Xu, Christopher LaJeunesse, Olesya Plazyo, Zhonghui Xu, Theodore G Price, Zhong Dong, Adi L Tarca, Zoltan Papp, Sonia S Hassan, Tinnakorn Chaiworapongsa, Chong Jai Kim, Nardhy Gomez-Lopez, Nandor Gabor Than
BACKGROUND: The decidua has been implicated in the "terminal pathway" of human term parturition, which is characterized by the activation of pro-inflammatory pathways in gestational tissues. However, the transcriptomic changes in the decidua leading to terminal pathway activation have not been systematically explored. This study aimed to compare the decidual expression of developmental signaling and inflammation-related genes before and after spontaneous term labor in order to reveal their involvement in this process...
May 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28141944/a-case-report-of-intrauterine-foetal-death-subsequent-to-chorioamniotic-membrane-separation-after-foetal-intervention
#6
Masaharu Murata, Keisuke Ishii, Yuka Sato, Jun Sasahara, Shusaku Hayashi, Nobuaki Mitsuda
No abstract text is available yet for this article.
January 31, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28139962/intra-amniotic-administration-of-lipopolysaccharide-induces-spontaneous-preterm-labor-and-birth-in-the-absence-of-a-body-temperature-change
#7
Nardhy Gomez-Lopez, Roberto Romero, Marcia Arenas-Hernandez, Bogdan Panaitescu, Valeria Garcia-Flores, Tara N Mial, Aashna Sahi, Sonia S Hassan
OBJECTIVE: Intra-amniotic infection is associated with spontaneous preterm labor. In most cases, the infection is subclinical and bacteria are detected in the amniotic cavity rather than in the chorioamniotic membranes. The aims of this study were to establish a model of intra-amniotic lipopolysaccharide (LPS)-induced preterm labor/birth that resembles the subclinical syndrome and to compare this model to two established models of LPS-induced preterm labor/birth. METHODS: Pregnant B6 mice received an intra-amniotic, intra-uterine, or intra-peritoneal injection of LPS (100 ng/amniotic sac, 15 μg/25 μL, and 15 μg/200 μL respectively) or PBS (control)...
February 23, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28122480/a-role-for-the-inflammasome-in-spontaneous-preterm-labor-with-acute-histologic-chorioamnionitis
#8
Nardhy Gomez-Lopez, Roberto Romero, Yi Xu, Olesya Plazyo, Ronald Unkel, Yaozhu Leng, Nandor Gabor Than, Tinnakorn Chaiworapongsa, Bogdan Panaitescu, Zhong Dong, Adi L Tarca, Vikki M Abrahams, Lami Yeo, Sonia S Hassan
Inflammasomes are cytosolic multiprotein complexes that orchestrate inflammation in response to pathogens and endogenous danger signals. Herein, we determined whether the chorioamniotic membranes from women in spontaneous preterm labor with acute histologic chorioamnionitis (1) express major inflammasome components; (2) express caspase (CASP)-1 and CASP-4 as well as their active forms; (3) exhibit apoptosis-associated speck-like protein containing a CARD (ASC)/CASP-1 complex formation; and (4) release the mature forms of interleukin (IL)-1β and IL-18...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28045214/neutrophil-extracellular-traps-in-acute-chorioamnionitis-a%C3%A2-mechanism-of-host-defense
#9
Nardhy Gomez-Lopez, Roberto Romero, Yaozhu Leng, Valeria Garcia-Flores, Yi Xu, Derek Miller, Sonia S Hassan
PROBLEM: Neutrophil extracellular traps (NETs) were recently described as a mechanism for microbial killing in the amniotic cavity of women with intra-amniotic infection. Such a clinical condition can result in acute chorioamnionitis, a placental lesion characterized by the infiltration of maternal neutrophils in the chorioamniotic membranes. Herein, we investigated whether these infiltrating neutrophils form NETs in the chorioamniotic membranes from women who underwent spontaneous term or preterm labor with acute chorioamnionitis...
March 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28012448/expression-patterns-of-the-chromosome-21-microrna-cluster-mir-99a-mir-125b-and-let-7c-in-chorioamniotic-membranes
#10
Bhavi P Modi, Sonya Washington, Scott W Walsh, Colleen Jackson-Cook, Kellie J Archer, Jerome F Strauss
Trisomy 21 (T21) is the most common chromosome abnormality in humans and is associated with a spectrum of phenotypes, including cognitive impairment, congenital heart defects and immune system defects. In addition, T21 is also associated with abnormalities of fetal membranes including chorioamniotic separation, delayed fusion of the chorioamniotic membranes, defects in syncytiotrophoblast formation, as well as amniocyte senescence. There is evidence indicating miRNAs encoded by sequences on chromosome 21 (Chr-21) are involved in several of the cognitive and neurological phenotypes of T21, but the role of Chr-21 derived miRNAs in fetal membrane abnormalities associated with T21 has not been investigated...
January 2017: Placenta
https://www.readbyqxmd.com/read/27852921/a-role-for-the-inflammasome-in-spontaneous-labor-at-term-with-acute-histologic-chorioamnionitis
#11
Nardhy Gomez-Lopez, Roberto Romero, Yi Xu, Olesya Plazyo, Ronald Unkel, Nandor Gabor Than, Piya Chaemsaithong, Tinnakorn Chaiworapongsa, Zhong Dong, Adi L Tarca, Vikki M Abrahams, Lami Yeo, Sonia S Hassan
Inflammasomes are cytosolic signaling platforms that regulate the activation of caspase (CASP)-1, which induces the maturation of interleukin (IL)-1β and IL-18. Herein, we determined whether the chorioamniotic membranes from women in spontaneous labor at term with acute histologic chorioamnionitis express major inflammasome components and whether these changes are associated with the activation of CASP-1 and CASP-4 and the release of mature IL-1β and IL-18. When comparing the chorioamniotic membranes from women in spontaneous labor at term with acute histologic chorioamnionitis to those without this placental lesion, we found that (1) the messenger RNA (mRNA) abundance of NLR family pyrin domain containing 3 ( NLRP3), NLR family CARD domain containing 4 ( NLRC4), absent in melanoma 2 ( AIM2), and nucleotide binding oligomerization domain 2 ( NOD2) was higher; (2) the NLRP3 and NLRC4 protein quantities were increased; (3) the mRNA and protein expressions of CASP-1 and its active forms were greater; (4) CASP-4 was increased at the mRNA level only; (5) the mRNA and protein expressions of IL-1β and its mature form were higher; and (6) a modest increase in the total protein concentration and abundance of the mature form of IL-18 was observed...
June 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/27806943/hmgb1-induces-an-inflammatory-response-in-the-chorioamniotic-membranes-that-is-partially-mediated-by-the-inflammasome
#12
Olesya Plazyo, Roberto Romero, Ronald Unkel, Amapola Balancio, Tara N Mial, Yi Xu, Zhong Dong, Sonia S Hassan, Nardhy Gomez-Lopez
Spontaneous preterm labor occurs in two subsets of patients with sterile intra-amniotic inflammation, a process induced by alarmins such as high-mobility group box-1 (HMGB1). Inflammasomes are implicated in the process of spontaneous preterm labor. Therefore, we investigated whether HMGB1 initiates an inflammasome-associated inflammatory response in the chorioamniotic membranes. Incubation of the chorioamniotic membranes with HMGB1 1) induced the release of mature IL-1beta and IL-6; 2) upregulated the mRNA expression of the pro-inflammatory mediators NFKB1, IL6, TNF, IL1A, IFNG, and HMGB1 receptors RAGE and TLR2; 3) upregulated the mRNA expression of the inflammasome components NLRP3 and AIM2 as well as NOD proteins (NOD1 and NOD2); 4) increased the protein concentrations of NLRP3 and NOD2; 5) increased the concentration of caspase-1 and the quantity of its active form (p20); and 6) upregulated the mRNA expression and active form of MMP-9...
December 2016: Biology of Reproduction
https://www.readbyqxmd.com/read/27753589/chorioamniotic-membrane-separation-found-on-routine-testing-in-an-otherwise-asymptomatic-woman-with-late-preterm-twin-gestation
#13
Sarah M Holmen, Tiki Bakhshi, Maria M Molina, Larissa F Weir
BACKGROUND: Chorioamniotic membrane separation (CMS) is a rare finding that is commonly preceded by invasive fetal procedures. The presence of CMS can also be associated with uncommon maternal or fetal conditions as well as preterm delivery, amniotic band syndrome, umbilical cord complications, and fetal and neonatal death. It is classified as a high-risk antepartum condition due to the significant fetal morbidity and mortality that may ensue. CASE REPORT: A 40-year-old gravida 5 para 1212 at 35 weeks presented for antepartum fetal testing...
October 2016: Military Medicine
https://www.readbyqxmd.com/read/27690725/histological-chorioamnionitis-in-preterm-prelabor-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 preterm prelabor 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 25, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27683622/chorioamniotic-separation-found-on-obstetric-ultrasound-and-perinatal-outcome
#15
Carolina Bibbo, Sarah E Little, Jad Bsat, Kris Ann Botka, Carol B Benson, Julian N Robinson
Objective This study aims to evaluate pregnancy outcomes in patients with spontaneous and iatrogenic chorioamniotic separation diagnosed by ultrasound after 17 weeks. Methods This is a retrospective cohort study of women with a singleton pregnancy who were diagnosed with chorioamniotic separation (n = 106) after 17 weeks' gestation from January 2000 to January 2013. Patients with chorioamniotic separation were compared with a group of patients who had obstetric ultrasounds without a diagnosis of chorioamniotic separation...
July 2016: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/27496687/the-management-of-myelomeningocele-study-obstetrical-outcomes-and-risk-factors-for-obstetrical-complications-following-prenatal-surgery
#16
Mark P Johnson, Kelly A Bennett, Larry Rand, Pamela K Burrows, Elizabeth A Thom, Lori J Howell, Jody A Farrell, Mary E Dabrowiak, John W Brock, Diana L Farmer, N Scott Adzick
BACKGROUND: The Management of Myelomeningocele Study was a multicenter randomized trial to compare prenatal and standard postnatal closure of myelomeningocele. The trial was stopped early at recommendation of the data and safety monitoring committee and outcome data for 158 of the 183 randomized women published. OBJECTIVE: In this report, pregnancy outcomes for the complete trial cohort are presented. We also sought to analyze risk factors for adverse pregnancy outcome among those women who underwent prenatal myelomeningocele repair...
December 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27298754/fetoscopic-amniotic-band-release-in-a-case-of-chorioamniotic-separation-an-innovative-new-technique
#17
Michael A Belfort, William E Whitehead, Robert Ball, Robert Silver, Alireza Shamshirsaz, Rodrigo Ruano, Jimmy Espinoza, Judith Becker, Olutoyin Olutoye, Larry Hollier
Introduction Fetoscopic release of amniotic bands has proved its life- and limb-saving potential. Rupture of the amnion and separation of chorion from the amnion and uterine wall can however preclude the standard fetoscopic approach to release the amniotic bands using a single port. Methods and Materials A 28-year-old G1P0 woman was referred to our unit at 19 weeks due to amniotic band syndrome involving the left ankle, the infrapatellar region of the right leg, and the umbilical cord. Of note, part of the fetus was seen outside the amniotic cavity by ultrasonography and the left ankle and foot were severely swollen...
April 2016: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/27200315/chorioamniotic-membrane-separation-caused-by-the-seromucinous-collection-from-a-placental-chorioangioma
#18
Hye Mi Eom, Young Nam Kim, Byung Hee Choi, Eun Jeong Jeong, Jung Mi Byun, Dae Hoon Jeong, Moon Su Sung, Kyung Bok Lee, Ki Tae Kim, Hye Kyoung Yoon
Placental chorioangioma is a benign non-trophoblastic tumor of the placenta that can have various adverse effects on the mother and fetus depending on its size. Chorioamniotic membrane separation is rare condition of detachment between the amniotic membrane and chorionic membrane. Chorioamniotic membrane separation after the second trimester of pregnancy is usually occurs after invasive procedures or may occur spontaneously; it is mostly associated with fetal abnormalities. Here, we report a case of chorioamniotic membrane separation that might be occurred caused by the seromucinous secretion from a placental chorioangioma...
May 2016: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/27124669/differential-immunophenotype-of-macrophages-in-acute-and-chronic-chorioamnionitis
#19
Go-Eun Bae, Joon-Seok Hong, Jung-Sun Kim, Ha Young Park, Ja Yun Jang, Yi Seul Kim, Suk-Joo Choi, Soo-Young Oh, Cheong-Rae Roh
AIM: The aim of this study was to investigate the involvement and immunophenotype of macrophages in acute chorioamnionitis (ACA) and chronic chorioamnionitis (CCA), marking amniotic fluid infection and anti-fetal rejection, respectively. METHODS: Chorioamniotic membranes from (1) gestational age-matched cases without chorioamnionitis, (2) cases with ACA, and (3) cases with CCA were studied after immunohistochemical staining using antibodies against CD14, CD68, CD163, and DC-SIGN...
April 28, 2016: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/27004206/a-live-birth-after-spontaneous-complete-chorioamniotic-membrane-separation-associated-with-uterine-scar
#20
Eun Joo Joung, Seul Ki You, Ji Yeon Lee, Jun Woo Ahn, Nae Ri Yun, Sung Ook Hwang
Spontaneous complete chorioamniotic membrane separation (CMS) without invasive fetal procedure is extremely rare and associated with adverse perinatal outcomes. A woman with complete CMS which was detected at the 21 weeks' gestation. She did not take any fetal invasive procedures before the diagnosis. At 27 weeks' gestation, an emergency Caesarean section was performed because of fetal distress. The defect of the uterine muscle was detected on the fundus. The baby has grown well without any morbidity. This is the first reported case of complete CMS relative to uterine scar...
March 2016: Obstetrics & Gynecology Science
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