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https://www.readbyqxmd.com/read/29316011/roles-of-venovenous-anastomosis-and-umbilical-cord-insertion-abnormalities-in-birthweight-discordance-in-monochorionic-diamniotic-twin-pregnancies-without-twin-twin-transfusion-syndrome
#1
Hiroko Konno, Takeshi Murakoshi, Akiko Yamashita, Mitsuru Matsushita
AIM: We evaluated risk factors for birthweight discordance in monochorionic diamniotic (MCDA) twin pregnancies without twin-twin transfusion syndrome (TTTS). METHODS: We investigated all MCDA twin placentas injected with colored dye at our institution between 2007 and 2015. We excluded pairs of twins with TTTS, fetal demise, or severe fetal malformation. All pairs of twins were assigned to the discordant group (birthweight discordance ≥ 25%) or the concordant group (birthweight discordance < 25%)...
January 5, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29306096/embryotoxic-cytokines-potential-roles-in-embryo-loss-and-fetal-programming
#2
REVIEW
Sarah A Robertson, Peck-Yin Chin, Joseph G Femia, Hannah M Brown
Cytokines in the reproductive tract environment at conception mediate a dialogue between the embryo and maternal tissues to profoundly influence embryo development and implantation success. Through effects on gene expression and the cell stress response, cytokines elicit an epigenetic impact with consequences for placental development and fetal growth, which in turn affect metabolic phenotype and long-term health of offspring. There is substantial evidence demonstrating that pro-survival cytokines, such as GM-CSF, CSF1, LIF, HB-EGF and IGFII, support embryos to develop optimally...
December 27, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29305462/type-i-interferons-instigate-fetal-demise-after-zika-virus-infection
#3
Laura J Yockey, Kellie A Jurado, Nitin Arora, Alon Millet, Tasfia Rakib, Kristin M Milano, Andrew K Hastings, Erol Fikrig, Yong Kong, Tamas L Horvath, Scott Weatherbee, Harvey J Kliman, Carolyn B Coyne, Akiko Iwasaki
Zika virus (ZIKV) infection during pregnancy is associated with adverse fetal outcomes, including microcephaly, growth restriction, and fetal demise. Type I interferons (IFNs) are essential for host resistance against ZIKV, and IFN-α/β receptor (IFNAR)-deficient mice are highly susceptible to ZIKV infection. Severe fetal growth restriction with placental damage and fetal resorption is observed after ZIKV infection of type I IFN receptor knockout (Ifnar1-/-) dams mated with wild-type sires, resulting in fetuses with functional type I IFN signaling...
January 5, 2018: Science Immunology
https://www.readbyqxmd.com/read/29287133/cardiac-function-and-dysfunction-in-the-fetus
#4
Luke Eckersley, Lisa K Hornberger
Evaluation of fetal cardiac function is one of the most important components of fetal echocardiography. Fetal cardiac dysfunction is closely linked to risk of intrauterine fetal demise, in many, but not all cases is indicative of worse postnatal prognosis and may prompt the use of medications or interventions to optimize outcomes. There may be implications for termination versus continuation of pregnancy, an indication for early delivery, a change in location and even mode of delivery. In extreme cases, fetal cardiac dysfunction may prompt prenatal or early neonatal listing for cardiac transplantation...
December 2017: Echocardiography
https://www.readbyqxmd.com/read/29246961/first-line-antiarrhythmic-transplacental-treatment-for-fetal-tachyarrhythmia-a-systematic-review-and-meta-analysis
#5
REVIEW
Tarek Alsaied, Shankar Baskar, Munes Fares, Fares Alahdab, Richard J Czosek, Mohammad Hassan Murad, Larry J Prokop, Allison A Divanovic
BACKGROUND: There is no consensus on the most effective and best tolerated first-line antiarrhythmic treatment for fetal tachyarrhythmia. The purpose of this systematic review and meta-analysis was to compare the efficacy, safety, and fetal-maternal tolerance of first-line monotherapies for fetal supraventricular tachycardia and atrial flutter. METHODS AND RESULTS: A comprehensive search of several databases was conducted through January 2017. Only studies that made a direct comparison between first-line treatments of fetal tachyarrhythmia were included...
December 15, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29241929/fertility-outcomes-following-pelvic-embolization-in-women-with-acquired-uterine-arteriovenous-malformation
#6
Cheng-Yu Ho, Kok-Min Seow, Lee-Wen Huang, Yieh-Loong Tsai
OBJECTIVE: Acquired uterine arteriovenous malformation (UAVM) is a rare, life-threatening disease. Angiography with uterine arterial embolization (UAE) is the diagnostic tool and a choice of fertility-sparing treatment. Here, we present a series of five successful pregnancies after embolization of UAVM. CASE REPORTS: Three reproductive aged women were treated for UAVM, resulting in five successful pregnancies. Their past history suggested that three cases had had previous uterine procedures, including second trimester abortion and elective dilatation and curettage...
December 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29241912/radiofrequency-ablation-for-selective-reduction-in-complex-monochorionic-multiple-pregnancies-a-case-series
#7
Hong-Mei Wang, Hong-Yan Li, Xie-Tong Wang, Yan-Yun Wang, Lei Li, Bo Liang, Jing Wang, Jia Song
OBJECTIVE: To determine the safety and efficacy of radiofrequency ablation (RFA) for selective fetal reduction in complex monochorionic multiple pregnancies. MATERIALS AND METHODS: From July 2011 to January 2015, data on all cases treated with RFA were collected prospectively in our hospital. Indications, procedure details, cause of fetal demise and pregnancy outcomes were analyzed. Sonography and magnetic resonance imaging were performed to detect fetal brain damage...
December 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29239485/comparison-of-umbilical-cord-occlusion-methods-radiofrequency-ablation-versus-laser-photocoagulation
#8
Mira Abdel-Sattar, Andrew H Chon, Arlyn Llanes, Lisa M Korst, Joseph G Ouzounian, Ramen H Chmait
OBJECTIVE: To compare outcomes between two umbilical cord occlusion (UCO) methods: radiofrequency ablation (RFA) versus fetoscopic-guided laser photocoagulation. METHODS: Retrospective study of all monochorionic diamniotic multiple gestations that underwent UCO with RFA (preferred after 2014) or laser (preferred before 2014). In bivariate analysis, patients treated with RFA were compared to laser. Risk factors for intrauterine fetal demise (IUFD) and 30-day survival of the co-twin were identified, and multiple logistic models were fitted to examine whether the UCO method was associated with these outcomes...
December 14, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29237662/advanced-abdominal-pregnancy-in-a-spontaneous-heterotopic-pregnancy
#9
Nuno Maciel, Ana Furtado Lima, Rosa Cruz, Carlos Ponte
Spontaneous heterotopic pregnancy is a potentially life-threatening condition rarely considered when a patient with an intrauterine pregnancy is asymptomatic or presents with complaints such as abdominal pain. An advanced abdominal pregnancy as the form of the ectopic component, outside the context of assisted reproduction, is an even more unusual and perilous diagnosis with very few cases reported in the literature. We report such a case in a 34-year-old multipara, with no known risk factors for ectopic pregnancy...
December 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29233830/placental-abruption-leading-to-hysterectomy
#10
Hannah Catherine Sylvester, Madeleine Stringer
A 32-year-old multigravid patient at 21 weeks gestation presents with major concealed placental abruption and subsequent fetal demise. During an eventually failed misoprostol regime aiming for vaginal delivery she develops severe disseminated intravascular coagulopathy. Subsequent hysterotomy reveals Couvelaire uterus with major haemorrhage and requires subtotal hysterectomy for haemostasis. This case highlights the severity of the systemic response to abruption and fetal demise in utero and the multifactorial nature of its management...
December 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29223625/development-and-validation-of-a-predictive-model-for-excessive-postpartum-blood-loss-a-retrospective-cohort-study
#11
Ana Rubio-Álvarez, Milagros Molina-Alarcón, Ángel Arias-Arias, Antonio Hernández-Martínez
BACKGROUND: postpartum haemorrhage is one of the leading causes of maternal morbidity and mortality worldwide. Despite the use of uterotonics agents as preventive measure, it remains a challenge to identify those women who are at increased risk of postpartum bleeding. OBJECTIVE: to develop and to validate a predictive model to assess the risk of excessive bleeding in women with vaginal birth. DESIGN: retrospective cohorts study. SETTING: "Mancha-Centro Hospital" (Spain)...
November 26, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29222728/fetal-electrocardiogram-extraction-and-analysis-using-adaptive-noise-cancellation-and-wavelet-transformation-techniques
#12
P Sutha, V E Jayanthi
Birth defect-related demise is mainly due to congenital heart defects. In the earlier stage of pregnancy, fetus problem can be identified by finding information about the fetus to avoid stillbirths. The gold standard used to monitor the health status of the fetus is by Cardiotachography(CTG), cannot be used for long durations and continuous monitoring. There is a need for continuous and long duration monitoring of fetal ECG signals to study the progressive health status of the fetus using portable devices. The non-invasive method of electrocardiogram recording is one of the best method used to diagnose fetal cardiac problem rather than the invasive methods...
December 8, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/29206544/a-complication-of-percutaneous-sclerotherapy-for-congenital-pulmonary-airway-malformation-intravascular-injection-and-cardiac-necrosis
#13
Andrew H Chon, Moe R Takeda, Juan C Felix, Ramen H Chmait
INTRODUCTION: A congenital pulmonary airway malformation (CPAM) type III may become large enough to cause hydrops fetalis. In such circumstances, the fetus can be treated with open fetal resection, maternal betamethasone administration, or percutaneous sclerotherapy. CASE REPORT: A 24 week gestation fetus with a CPAM type III was treated by percutaneous sclerotherapy using ethanolamine oleate (EO). The EO inadvertently entered the left atrium and ventricle with subsequent fetal bradycardia and demise...
December 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/29187036/persistence-of-villous-immaturity-in-term-deliveries-following-intrauterine-transfusion-for-parvovirus-b19-infection-and-rhd-associated-hemolytic-disease-of-the-fetus-and-newborn
#14
Whitney A McCarthy, Edwina J Popek
Common causes of fetal anemia and hydrops include parvovirus B19 infection during the first 2 trimesters of pregnancy, as well as maternal alloimmunization to RhD with subsequent hemolytic disease of the fetus and newborn (HDFN) in an RhD positive fetus. Although both of these conditions have historically caused significant fetal morbidity and mortality, the advent of intrauterine transfusion (IUT) over the last few decades have dramatically improved outcomes. Prior literature has extensively documented placental changes associated with untreated parvovirus infection and RhD HDFN in intrauterine fetal demises and preterm births; however, histopathologic changes in term placentas from term infants treated with IUT have not been reported...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/29185251/ultrasound-indications-for-maternal-storch-testing-in-pregnancy
#15
Cora Alexandra Voekt, Therese Rinderknecht, Hans Hellmuth Hirsch, Annette Blaich, Irene Mathilde Hösli
AIMS OF THE STUDY: Fetal abnormalities found on ultrasonography lead to a variety of diagnostic procedures, including a panel of serologies to detect possible maternal STORCH infections encompassing syphilis, Toxoplasma gondii, rubella, cytomegalovirus, herpes simplex, and others (human immunodeficiency virus, hepatitis B and C, parvovirus B19, enterovirus, varicella zoster, and Leptospira interrogans). The value of indiscriminate testing for infections upon the detection of fetal ultrasound abnormalities has been questioned...
November 29, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29172821/risk-of-donor-demise-after-laser-therapy-for-twin-twin-transfusion-when-complicated-by-growth-discordance-and-abnormal-umbilical-artery-doppler-findings
#16
Matthew M Finneran, Megan A Templin, Courtney D Stephenson
OBJECTIVE: To investigate the natural course of abnormal umbilical artery Doppler (UAD) findings in donor fetuses after laser surgery and the prognostic significance of resolution, persistence, or new onset UAD abnormalities with and without the presence of preoperative growth discordance. STUDY DESIGN: Retrospective cohort study of all monochorionic-diamniotic multi-fetal gestations diagnosed with twin-twin transfusion syndrome (TTTS) undergoing laser surgery at a single large metropolitan referral center from 2010-2016...
November 27, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29170287/maternal-and-neonatal-outcomes-of-vaginal-breech-delivery-for-singleton-term-pregnancies-in-a-carefully-selected-cameroonian-population-a-cohort-study
#17
Julius Sama Dohbit, Pascal Foumane, Joel Noutakdie Tochie, Fadimatou Mamoudou, Mazou N Temgoua, Ronni Tankeu, Veronica Aletum, Emile Mboudou
BACKGROUND AND OBJECTIVES: Vaginal breech delivery (VBD) is known to be associated with more perinatal and maternal complications. Very few studies on the subject have been carried out in poor-resource settings. The aim of this study was to determine maternal and neonatal outcomes in carefully selected cases of VBD for singleton term pregnancies in a tertiary centre in Cameroon. DESIGN: A retrospective cohort study. SETTING: A tertiary hospital in Yaounde, Cameroon...
November 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/29169712/-about-twins-epidemiological-genetic-and-obstetrical-aspects-specific-risks-and-outcome
#18
M Tauzin, A Felix, C Michot, C Dedieu, L Aoust, F Fortas, C Guillier, J Ngo, P-Y Wachter, L Petermann, E Kermorvant-Duchemin
The incidence of twin pregnancies has increased steadily for the last 40 years due to assisted reproductive technology and increased maternal childbearing age. Multiple pregnancies, especially monochorionic twin pregnancies, carry a high risk for the mother and the fetuses and require close follow-up. Twins are exposed to a higher risk of perinatal anoxia, in utero fetal demise, preterm birth, congenital malformations, fetal growth restriction, and vascular complications. Compared to singletons, twins are at higher risk of perinatal mortality and impaired neurodevelopmental outcome, justifying a thorough follow-up by pediatricians, including assessment and management of familial and psychosocial impact...
November 20, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29167317/rodent-vertical-sleeve-gastrectomy-alters-maternal-immune-health-and-feto-placental-development
#19
Redin A Spann, Wiiliam J Lawson, Gene L Bidwell, C Austin Zamarripa, Rodrigo O Maranon, Sibali Bandyopadhyay, Erin R Taylor, Jane F Reckelhoff, Michael R Garrett, Bernadette E Grayson
Bariatric surgery is increasingly employed to improve fertility and reduce obesity related co-morbidities in obese women. Surgical weight loss not only improves the chance of conception but reduces the risk of pregnancy complications including pre-eclampsia, gestational diabetes, and macrosomia. However, bariatric procedures increase the incidence of intrauterine growth restriction (IUGR), fetal demise, thromboembolism and other gestational disorders. Using our rodent model of vertical sleeve gastrectomy (VSG), we tested the hypothesis that VSG in diet-induced, obese dams would cause immune and placental structural abnormalities that may be responsible for fetal demise during pregnancy...
November 22, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29138679/modulatory-mechanism-of-polyphenols-and-nrf2-signaling-pathway-in-lps-challenged-pregnancy-disorders
#20
REVIEW
Tarique Hussain, Bie Tan, Gang Liu, Ghulam Murtaza, Najma Rahu, Muhammad Saleem, Yulong Yin
Early embryonic loss and adverse birth outcomes are the major reproductive disorders that affect both human and animals. The LPS induces inflammation by interacting with robust cellular mechanism which was considered as a plethora of numerous reproductive disorders such as fetal resorption, preterm birth, teratogenicity, intrauterine growth restriction, abortion, neural tube defects, fetal demise, and skeletal development retardation. LPS-triggered overproduction of free radicals leads to oxidative stress which mediates inflammation via stimulation of NF-κB and PPARγ transcription factors...
2017: Oxidative Medicine and Cellular Longevity
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