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https://www.readbyqxmd.com/read/28479073/-macroscopic-description-of-placental-vascular-anastomoses-after-dye-injection-for-the-comprehension-of-monochorionic-pregnancy-complications
#1
A Atallah, P-A Bolze, A Buenerd, S Marino, J Massardier, P Gaucherand, M Massoud
OBJECTIVES: The aim of the study is to compare placental monochorionic angioarchitecture complicated with twin-oligohydramnios-polyhydramnios sequence (TOPS), twin anemia polycythemia sequence (TAPS), twin reversed arterial perfusion (TRAP) and selective intra uterine growth restriction (sIUGR) to normal uneventful monochorionic placenta. METHODS: Between December 2012 and December 2015, monochorionic placenta has been studied at the multiple pregnancy care center of the Femme-Mère-Enfant Hospital in Lyon...
May 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/28444780/fetal-brain-injury-in-complicated-monochorionic-pregnancies-diagnostic-yield-of-prenatal-mri-following-surveillance-ultrasound-and-influence-on-prognostic-counselling
#2
Alice Robinson, Mark Teoh, Andrew Edwards, Michael Fahey, Stacy Goergen
OBJECTIVE: To determine the additional diagnostic information provided by prenatal (fetal) magnetic resonance imaging (pMRI) following tertiary ultrasound (US) for fetal cranial abnormalities in complicated monochorionic gestations (cMCGs) METHODS: Women with cMCGs complicated by twin - twin transfusion syndrome (TTTS), co-twin demise (CD), selective intrauterine growth restriction (sIUGR), and / or twin anemia - polycythemia sequence (TAPS) who were referred for pMRI after tertiary US were included...
April 26, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28441900/placental-nfe2l2-is-discordantly-activated-in-monochorionic-twins-with-selective-intrauterine-growth-restriction-and-possibly-regulated-by-hypoxia
#3
Jing Wu, Zhiming He, Yu Gao, Guanglan Zhang, Xuan Huang, Qun Fang
INTRODUCTION: Nuclear factor, erythroid 2 like 2 (NFE2L2) is an important transcription factor that protects cells from oxidative stress (OS). NFE2L2 deficiency in placentas is associated with pregnancy complications. We have demonstrated that elevated OS existed in placental shares of the smaller fetus in selective intrauterine growth restriction (sIUGR); however, the role of NFE2L2 in the development of sIUGR remains unknown. In this study, we examined the levels of NFE2L2 and heme oxygenase 1 (HMOX1), a major antioxidant regulated by NFE2L2, in sIUGR placentas...
April 25, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28355685/-clinical-outcome-and-placenta-characteristics-of-spontaneous-twin-anemia-polycythemia-sequence
#4
X J Wang, L Y Li, Y Wei, Y Y Zhao, P B Yuan
Objective: To investigate the clinical outcome and placental characteristics of spontaneous twin anemia-polycythemia sequence (sTAPS). Methods: Twelve cases with sTAPS delivered in Peking University Third Hospital from May 2013 to August 2016. The data of ultrasound characteristics, gestational age at delivery, and 1 minute Apgar score were analyzed, retrospectively. Placental superficial vascular anastomoses, placental territory discordance and the ratio of umbilical cords insertion distance to the longest placental diameter were also analyzed...
March 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28320230/placental-characteristics-in-monochorionic-twins-with-selective-intrauterine-growth-restriction-assessed-by-gradient-angiography-and-three-dimensional-reconstruction
#5
Chenyu Gou, Meizhi Li, Xiaoling Zhang, Xiangzhen Liu, Xuan Huang, Yi Zhou, Qun Fang
OBJECTIVE: To investigate the placental characteristics in selective intrauterine growth restriction (sIUGR) using gradient angiography and three-dimensional (3D) reconstruction from computed tomography (CT) scan data. METHODS: This study included 23 sIUGR cases and 16 monochorionic twin-pregnancies without sIUGR. We injected nonionic iodinated contrast agents into the umbilical arteries and veins. Placental characteristics were analyzed after CT scanning and 3D reconstruction...
March 21, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28254226/preliminary-report-of-altered-insulin-secretion-pattern-in-monochorionic-twin-pregnancies-complicated-with-selective-intrauterine-growth-restriction
#6
Yao-Lung Chang, Tzu-Hao Wang, Seham M Abufraijeh, Shuenn-Dyh Chang, An-Shine Chao, Peter C C Hsieh
OBJECTIVE: Fetuses with intrauterine growth restriction (IUGR) have adaptive hormonal changes including changes in insulin, which may increase their future risks for developing diabetes mellitus. This study compared cord blood insulin concentrations in IUGR and appropriate for gestational age (AGA) fetuses in a monochorionic (MC) twin model. MATERIALS AND METHODS: Ten pairs were classified as selective IUGR (sIUGR) based on having one twin weight below the 10th percentile and with an intertwin birth weight discordance>20%...
February 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27859836/outcome-in-monochorionic-twin-pregnancies-with-selective-intrauterine-growth-restriction-according-to-the-umbilical-artery-doppler-pattern-of-the-smaller-twin-a-systematic-review-and-meta-analysis
#7
REVIEW
Danilo Buca, Giorgio Pagani, Giuseppe Rizzo, Alessandra Familiari, Maria Elena Flacco, Lamberto Manzoli, Marco Liberati, Francesco Fanfani, Giovanni Scambia, Francesco D'Antonio
OBJECTIVE: To explore the outcome of monochorionic (MC) twin pregnancies affected by selective intra-uterine growth restriction (sIUGR) according to the umbilical artery Doppler pattern of the smaller twin. METHODS: Medline, Embase, Cinhal and ClinicalTrials.gov databases (2000-2016) were searched. sIUGR was defined as the presence of one twin with estimated fetal weight and/or abdominal circumference less than 10(th) or 5(th) percentile and classified according to the umbilical artery Doppler flow pattern of the smaller twin (type I: persistently positive, type II: persistently absent/reversed, type III: intermittently absent/reversed)...
November 18, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27760663/-the-prognosis-of-monochorionic-co-twin-after-single-intrauterine-fetal-demise
#8
Y Wang, Y Wei, P B Yuan, X J Wang, Y Y Zhao
Objective: To analyze the prognosis of surviving monochorionic co-twin after single intrauterine fetal demise (sIUFD). Methods: Retrospectively analyzed the twin pregnancy cases admitted in Peking University Third Hospital between Jan 2008 and Feb 2015. We recorded perinatal characteristics, neuroimage in co-twin, and followed up the neonatal outcome. Results: 47 cases were found, including 45 cases of monochorionic diamniotic (MCDA) and 2 cases of monochorionic monoamniotic (MCMA). Median gestational age at sIUFD was 27 weeks...
October 11, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27755130/twin-pregnancy-complicated-by-selective-growth-restriction
#9
Rosemary Townsend, Asma Khalil
PURPOSE OF REVIEW: Selective intrauterine growth restriction (sIUGR) in twin pregnancies presents a complex management problem for the fetal medicine specialist. This review summarizes what is currently known about sIUGR pathophysiology, particularly in monochorionic pregnancies and looks at the results of early trials of fetal intervention in high-risk sIUGR pregnancies. RECENT FINDINGS: sIUGR in monochorionic pregnancies is due to unequal placental sharing, but the clinical outcome is determined by the characteristics of the placental vascular anastomoses...
December 2016: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27734505/amniotic-fluid-discordance-in-monochorionic-diamniotic-twin-pregnancies-is-associated-with-increased-risk-for-twin-anemia-polycythemia-sequence
#10
Liran Hiersch, Mayan Eitan, Eran Ashwal, Boaz Weisz, Benny Chayen, Shlomo Lipitz, Yoav Yinon
OBJECTIVE: To estimate the risk for twin anemia-polycythemia sequence (TAPS) and adverse perinatal outcome in monochorionic diamniotic (MCDA) twin pregnancies with amniotic fluid discordance (AFD). METHODS: Retrospective cohort study of 34 MCDA pregnancies with AFD (intertwin difference of ≥3 cm in maximal vertical pocket measurement) without meeting the criteria for twin to twin transfusion syndrome or selective intrauterine growth restriction. Perinatal outcome measures and the risk for TAPS were compared with a control group consisted of 101 MCDA twin pregnancies without AFD, twin to twin transfusion syndrome, or selective intrauterine growth restriction...
December 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/27646991/ep20-04-the-prediction-of-monochorionic-twins-with-selective-iugr-siugr-using-ac-discordance-in-the-early-second-trimester
#11
K Haino, K Ishii, H Muto, A Mabuchi, R Yamamoto, H Kawaguchi, S Hayashi, N Mitsuda
No abstract text is available yet for this article.
September 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27363529/right-ventricular-outflow-tract-obstruction-in-complicated-monochorionic-twin-pregnancy
#12
S J Eschbach, L S T M Boons, E Van Zwet, J M Middeldorp, F J C M Klumper, E Lopriore, A K K Teunissen, M E Rijlaarsdam, D Oepkes, A D J Ten Harkel, M C Haak
OBJECTIVES: Severe right ventricular outflow tract obstruction (RVOTO) is a potential complication in recipient twins of twin-to-twin transfusion syndrome (TTTS) that requires postnatal follow-up or treatment. We aimed to evaluate pregnancy characteristics of neonates with RVOTO from complicated monochorionic twin pregnancies, determine the incidence of RVOTO in TTTS cases and construct a prediction model for its development. METHODS: This was an observational cohort study of all complicated monochorionic twin pregnancies with a postnatal diagnosis of RVOTO examined at our center...
July 1, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27161360/increased-fetal-plasma-erythropoietin-in-monochorionic-twin-pregnancies-with-selective-intrauterine-growth-restriction-and-abnormal-umbilical-artery-doppler
#13
Yao-Lung Chang, An-Shine Chao, Hsiu-Huei Peng, Shuenn-Dyh Chang, Sheng-Yuan Su, Kuan-Ju Chen, Po-Jen Cheng, Tzu-Hao Wang
Hypoxia is the primary stimulus for the production of erythropoietin (EPO) in both fetal and adult life. Here, we investigated fetal plasma EPO concentrations in monochorionic (MC) twin pregnancies with selective intrauterine growth restriction (sIUGR) and abnormal umbilical artery (UA) Doppler. We diagnosed sIUGR in presence of (1) birth-weight discordance >20% and (2) either twin with a birth weight <10th percentile. An abnormal UA Doppler was defined as a persistent absent-reverse end diastolic flow (AREDF)...
August 2016: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/27062653/selective-intrauterine-growth-restriction-in-monochorionic-twins-changing-patterns-in-umbilical-artery-doppler-flow-and-outcomes
#14
M A Rustico, D Consonni, M Lanna, S Faiola, V Schena, B Scelsa, P Introvini, A Righini, C Parazzini, G Lista, F Barretta, E Ferrazzi
OBJECTIVES: To describe changes in umbilical artery (UA) Doppler flow in monochorionic diamniotic (MCDA) twins affected by selective intrauterine growth restriction (sIUGR), to correlate Doppler findings with pregnancy course and perinatal outcome, and to report postnatal follow-up. METHODS: This was a retrospective study of 140 MCDA twins with sIUGR. UA end-diastolic flow, defined as Doppler waveform pattern Type I (persistently positive), Type II (persistently absent or persistently reversed) or Type III (intermittently absent or intermittently reversed), was recorded at first examination and monitored weekly until double or single intrauterine fetal death (IUFD), bipolar cord coagulation or delivery...
March 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/26830322/the-promoter-methylomes-of-monochorionic-twin-placentas-reveal-intrauterine-growth-restriction-specific-variations-in-the-methylation-patterns
#15
Zhiming He, Hanlin Lu, Huijuan Luo, Fei Gao, Tong Wang, Yu Gao, Qun Fang, Junwen Wang
Intrauterine growth restriction (IUGR) affects the foetus and has a number of pathological consequences throughout life. Recent work has indicated that variations in DNA methylation might cause placental dysfunction, which may be associated with adverse pregnancy complications. Here, we investigated the promoter methylomes of placental shares from seven monochorionic (MC) twins with selective intrauterine growth restriction (sIUGR) using the healthy twin as an ideal control. Our work demonstrated that the IUGR placental shares harboured a distinct DNA hypomethylation pattern and that the methylation variations preferentially occurred in CpG island shores or non-CpG island promoters...
February 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/26784929/decreased-total-placental-mass-found-in-twin-twin-transfusion-syndrome-gestations-with-selective-growth-restriction
#16
Kristi R Van Winden, Rubén A Quintero, Eftichia V Kontopoulos, Lisa M Korst, Arlyn Llanes, Ramen H Chmait
INTRODUCTION: We examined placental weight characteristics associated with donor selective intrauterine growth restriction (SIUGR) among patients with twin-twin transfusion syndrome (TTTS) who underwent laser surgery. MATERIALS AND METHODS: Fresh placental specimens were studied. Pregnancies with higher-order multiples, fetal demise, or disrupted or nonsubmitted placental specimens were excluded. Placental characteristics prospectively collected included total placental weight, individual placental weight, and placental share...
2016: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/26714169/outcome-of-monochorionic-twin-pregnancies-with-moderate-amniotic-fluid-discordance-adjoining-twin-twin-transfusion-syndrome
#17
Satoshi Hayashi, Ai Anami, Keisuke Ishii, Mari S Oba, Yuichiro Takahashi, Masahiko Nakata, Jun Murotsuki, Takeshi Murakoshi, Haruhiko Sago
OBJECTIVES: This study aimed to assess the perinatal outcome in monochorionic diamniotic (MD) twin pregnancies complicated by amniotic fluid discordance (AFD) adjoining twin-twin transfusion syndrome (TTTS). METHODS: An observational study of 84 consecutive MD twin pregnancies complicated by AFD that resembled TTTS was conducted. AFD adjoining TTTS was defined by a maximal vertical pocket of amniotic fluid ≤3 cm in one twin and ≥7 cm in the other excluding TTTS...
February 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/26522114/fetoscopic-laser-coagulation-of-intertwin-anastomoses-reduces-discordant-placental-autophagic-activities-in-discordant-twin-growth
#18
Yao-Lung Chang, Tzu-Hao Wang, Shuenn-Dyh Chang, An-Shine Chao, Peter C C Hsieh
OBJECTIVES: To investigate placental autophagic activity in cases of twin-twin transfusion syndrome (TTTS) after successful laser therapy and to evaluate the effect of intertwin anastomoses on discordant placenta autophagic activity in monochorionic twins with one twin exhibiting selective intrauterine growth restriction. MATERIALS AND METHODS: Placenta samples were prospectively obtained from 11 cases of successful TTTS post-laser therapy with two living babies...
October 2015: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/26369752/feasibility-and-preliminary-outcomes-of-fetoscopic-laser-photocoagulation-for-monochorionic-twin-gestation-with-selective-intrauterine-growth-restriction-accompanied-by-severe-oligohydramnios
#19
Keisuke Ishii, Masahiko Nakata, Seiji Wada, Takeshi Murakoshi, Haruhiko Sago
AIM: This study aimed to clarify the feasibility and perinatal outcomes of fetoscopic laser photocoagulation (FLP) for monochorionic twin gestation with selective intrauterine growth restriction (sIUGR) accompanied by both abnormal umbilical artery Doppler waveforms and isolated severe oligohydramnios of the sIUGR twin. METHODS: In this prospective clinical trial, which included 10 cases with absent or reversed end-diastolic flow in the umbilical artery and severe oligohydramnios of the sIUGR twin, the main outcomes investigated were the feasibility of FLP and the rate of severe FLP-related maternal complications...
November 2015: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/26365253/dysglycaemia-in-small-for-gestational-age-neonates-a-matched-case-control-study-in-monochorionic-twins
#20
Claudia D E de Bruin, N Margreth van der Lugt, Remco Visser, Wilma Oostdijk, Erik W van Zwet, Arjan B Te Pas, Enrico Lopriore
OBJECTIVE: Small-for-gestational-age (SGA) neonates (birth weight <10th centile) are at higher risk of altered glucose homeostasis compared to appropriate for gestational age (AGA) neonates. The aim of this matched case-control study was to estimate the incidence of hypoglycaemia and/or hyperglycaemia in monochorionic (MC) twins with selective intrauterine growth restriction (sIUGR). METHODS: We included all MC twins with sIUGR (2002-2013). Neonates in the SGA group were matched with their AGA co-twin...
2016: Journal of Maternal-fetal & Neonatal Medicine
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