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fetal anemia

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https://www.readbyqxmd.com/read/28326960/placental-pathologic-features-in-fetomaternal-hemorrhage-detected-by-flow-cytometry
#1
Natasha E Lewis, Laura Marszalek, Linda M Ernst
Background Fetomaternal hemorrhage (FMH) is a poorly understood entity that can have significant clinical effects. Flow cytometry is a reliable and relatively new method for FMH diagnosis. The objective of this study was to correlate placental pathology with FMH detected by flow cytometry. Methods All patients with available placentas and FMH flow cytometric testing performed from 2009 to 2015 were retrospectively reviewed. Cases were defined as ≥0.10% fetal red blood cells (RBCs) in the maternal circulation while controls contained <0...
March 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28315889/patterns-of-growth-in-early-childhood-and-infectious-disease-and-nutritional-determinants
#2
Robert E Black
The physical growth of young children in low- and middle-income countries is reduced compared to international standards. The deviations in growth in both weight and height are greatest in the first 2 years of life and this has serious consequences for child mortality, development, adult stature, and health. The determinants of these patterns of growth faltering include intergenerational factors, such as maternal height, short birth interval, and conditions in pregnancy, including maternal underweight and anemia...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28315852/characteristics-and-management-of-mirror-syndrome-a-systematic-review-1956-2016
#3
Sabah Allarakia, Hassan A Khayat, Moyassar M Karami, Abdulaziz M Aldakhil, Ahmed M Kashi, Abdulrahman H Algain, Mohammad A Khan, Loai S Alghifees, Raed E Alsulami
OBJECTIVES: To describe the clinical features of mirror syndrome and to correlate the effects of different treatments with the fetal outcomes. DATA SOURCES: Online search up to May 2016 was conducted in the PubMed, Embase (Ovid platform) and clinicalTrials.gov without restrictions of language, date or journal. Only papers providing both fetal and maternal presentations and outcomes were included. RESULTS: The study included 74 papers (n=111), with an additional two patients diagnosed at our center (n=113)...
March 20, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28295352/should-optimal-timing-between-two-intrauterine-transfusions-be-based-on-estimated-daily-decrease-of-hemoglobin-or-on-measurement-of-fetal-middle-cerebral-artery-peak-systolic-velocity
#4
Louise Ghesquière, Véronique Houfflin-Debarge, Hélène Behal, Capucine Coulon, Damien Subtil, Pascal Vaast, Charles Garabedian
BACKGROUND: To best predict the recurrence of fetal anemia after intrauterine transfusion (IUT), the measurement of middle cerebral artery peak systolic velocity (PSV) and the estimation of hemoglobin (Hb) daily decrease are compared. STUDY DESIGN AND METHODS: A retrospective study including 38 patients who had at least two IUTs in a context of red blood cell alloimmunization was conducted. PSV values before first, second, and third IUTs were collected and expected Hb level was calculated according to various Hb daily decrease formulas as proposed in the literature...
March 14, 2017: Transfusion
https://www.readbyqxmd.com/read/28278506/accuracy-of-middle-cerebral-artery-doppler-assessment-between-34-and-37-weeks-in-fetuses-with-red-cell-alloimmunization
#5
Emeline Maisonneuve, Aude Jayot, Stéphanie Friszer, Vanina Castaigne, Evelyne Cynober, Françoise Pernot, Agnès Mailloux, Jean-Marie Jouannic, Anne Cortey, Bruno Carbonne
BACKGROUND: The Doppler measurement of middle cerebral artery peak systolic velocity (MCA-PSV) is considered the gold standard for the noninvasive detection of moderate to severe anemia. However, the accuracy of this test has not been evaluated so far, specifically beyond 34 weeks. OBJECTIVES: To assess the accuracy of MCA-PSV to detect moderate to severe fetal anemia and to identify risk factors associated with false-positive and false-negative MCA-PSV values after 34 weeks...
March 10, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28277912/fetal-hemoglobin-bart-s-hydrops-fetalis-pathophysiology-prenatal-diagnosis-and-possibility-of-intrauterine-treatment
#6
Phudit Jatavan, Nipon Chattipakorn, Theera Tongsong
This review aimed to comprehensively summarize current available reports regarding the ultrasound markers and biomarkers in predicting fetal Hb Bart's disease and evaluate the potential role of cardiac function assessment in a clinical practice. This review involves various methods in prenatal predicting fetal Hb Bart's disease or alpha-thalassemia major and attempts to provide valuable insights regarding the underlying mechanisms responsible for heart failure in Hb Bart's fetuses. Moreover, this information may be used to predict the cardiac function before the development of hydrops fetalis...
March 1, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28277805/intrauterine-transfusion-and-non-invasive-treatment-options-for-hemolytic-disease-of-the-fetus-and-newborn-review-on-current-management-and-outcome
#7
Carolien Zwiers, Inge van Kamp, Dick Oepkes, Enrico Lopriore
Hemolytic disease of the fetus and newborn (HDFN) remains a serious pregnancy complication which can lead to severe fetal anemia, hydrops and perinatal death. Areas covered: This review focusses on the current prenatal management, treatment with intrauterine transfusion (IUT) and promising non-invasive treatment options for HDFN. Expert commentary: IUTs are the cornerstone in prenatal management of HDFN and have significantly improved perinatal outcome in the past decades. IUT is now a relatively safe procedure, however the risk of complications is still high when performed early in the second trimester...
March 20, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28276606/smarca5-snf2h-is-required-for-proliferation-of-hematopoietic-stem-cells-differentiating-into-erythroid-and-myeloid-lineages
#8
Juraj Kokavec, Tomas Zikmund, Filipp Savvulidi, Vojtech Kulvait, Winfried Edelmann, Arthur I Skoultchi, Tomas Stopka
The Imitation Switch (ISWI) nuclear ATPase Smarca5 (Snf2h) is one of the most conserved chromatin remodeling factors. It exists in a variety of oligosubunit complexes that move DNA with respect to the histone octamer to generate regularly spaced nucleosomal arrays. Smarca5 interacts with different accessory proteins and represents a molecular motor for DNA replication, repair and transcription. We deleted Smarca5 at the onset of definitive hematopoiesis (Vav1-iCre) and observed that animals die during late fetal development due to anemia...
March 9, 2017: Stem Cells
https://www.readbyqxmd.com/read/28270873/predictors-of-fetal-and-maternal-outcome-in-the-crucible-of-hepatic-dysfunction-during-pregnancy
#9
Indrajit Suresh, Vijaykumar Tr, Nandeesh Hp
BACKGROUND: Hepatic dysfunction during pregnancy places both the mother and the fetus at risk. Investigations which are efficient, cost effective and easily available for prognostication are required to tackle this global problem. We studied the etiologies and evaluated investigations for predictive efficiency. METHODS: One hundred ninety-seven pregnant women with hepatic dysfunction during pregnancy were identified. All patients were followed up till 8 weeks after termination of pregnancy or death...
February 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28270345/clinical-and-laboratory-profile-of-patients-with-sickle-cell-anemia
#10
Phelipe Gabriel Dos Santos Sant'Ana, Ariane Moreira Araujo, Cynthia Teixeira Pimenta, Mário Lúcio Pacheco Ker Bezerra, Sílvio Pereira Borges Junior, Viviana Martins Neto, Janaina Sousa Dias, Aline de Freitas Lopes, Danyelle Romana Alves Rios, Melina de Barros Pinheiro
OBJECTIVE: This study aimed to describe and analyze clinical and laboratory characteristics of patients with sickle cell anemia treated at the Hemominas Foundation, in Divinópolis, Brazil. Furthermore, this study aimed to compare the clinical and laboratory outcomes of the group of patients treated with hydroxyurea with those patients that were not treated with hydroxyurea. METHODS: Clinical and laboratorial data were obtained by analyzing medical records of patients with sickle cell anemia...
January 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/28267201/a-case-of-anti-rd-causing-fetal-anemia
#11
Stefan Rauch, Jochen Ritgen, Matthias Wißkirchen, Ursula Bauerfeind, Elisabeth Kohne, Christof Weinstock
BACKGROUND: Rd (SC4) is a low-frequency antigen of the Scianna blood group system. Only very few reports on anti-Rd in pregnancy exist. Mild to moderate hemolytic disease of the newborn caused by anti-Rd has been reported. This report may add further information on the clinical significance of anti-Rd for the fetus. CASE REPORT: In a case of severe fetal anemia (hemoglobin concentration, 3.0 g/dL) repeated intrauterine transfusions were required. The strongly positive direct antiglobulin test (DAT) of the fetal red blood cells led to the diagnosis of hemolytic disease...
March 7, 2017: Transfusion
https://www.readbyqxmd.com/read/28230720/role-of-vitamin-a-retinoic-acid-in-regulation-of-embryonic-and-adult-hematopoiesis
#12
REVIEW
Ana Cañete, Elena Cano, Ramón Muñoz-Chápuli, Rita Carmona
Vitamin A is an essential micronutrient throughout life. Its physiologically active metabolite retinoic acid (RA), acting through nuclear retinoic acid receptors (RARs), is a potent regulator of patterning during embryonic development, as well as being necessary for adult tissue homeostasis. Vitamin A deficiency during pregnancy increases risk of maternal night blindness and anemia and may be a cause of congenital malformations. Childhood Vitamin A deficiency can cause xerophthalmia, lower resistance to infection and increased risk of mortality...
February 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28218216/effects-of-previous-laparoscopic-surgical-diagnosis-of-endometriosis-on-pregnancy-outcomes
#13
Hui Li, Hong-Lan Zhu, Xiao-Hong Chang, Yi Li, Yue Wang, Jing Guan, Heng Cui
BACKGROUND: The association between the previous history of endometriosis and obstetric outcomes is still ambiguous. This study aimed to evaluate the effects of previous history of operatively diagnosed endometriosis on pregnancy outcomes. METHODS: A total of 98 primiparous women who had been diagnosed with endometriosis by previous laparoscopic surgery were included in this retrospective cohort study. Pregnancy outcomes were compared between these women (study group) who had a live birth and 300 women without endometriosis (control group) who had a live birth...
February 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28190779/lentiviral-transfer-of-%C3%AE-globin-with-fusion-gene-nup98-hoxa10hd-expands-hematopoietic-stem-cells-and-ameliorates-murine-%C3%AE-thalassemia
#14
Hui Fen Zhao, Allistair Abraham, Yoon-Sang Kim, Yong-Dong Wang, Tamara Pestina, Jun Zhan, Keith Humphries, Arthur W Nienhuis, Derek A Persons
Recently, an engineered Homeobox-nucleoporin fusion gene, NUP98-HOXA10HD or NA10HD, was reported to expand and maintain murine hematopoietic stem cells (HSCs). We postulated that NA10HD would increase the number of human γ-globin-expressing cells to therapeutic levels. We developed a double gene lentiviral vector encoding both human γ-globin and NA10HD, which was used to transduce human peripheral blood CD34(+) cells and increased engraftment 2- to 2.5-fold at 15 weeks post-transplantation in immunodeficient mice...
March 1, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28186586/-analysis-of-clinical-phenotype-and-genotype-of-unstable-hemoglobin-rush
#15
Shijun Ge, Biqing Yang, Wei Yi, Kai Huang, Hongxian Liu, Xiaoqin Huang, Jiayou Chu, Zhaoqing Yang
OBJECTIVE: To analyze the hematological and genetic characteristics of unstable hemoglobin Rush (Hb Rush) and compound heterozygote of Hb Rush and thalassemia. METHODS: Peripheral blood samples and genomic DNA from three patients (including two ethnic Dai and one Han Chinese) with anemia of undetermined origin were collected. Hematological phenotypes of these patients were determined through red blood cell analysis and hemoglobin electrophoresis. Genotypes of alpha- and beta-globin genes, -158 XmnⅠ polymorphic site of (G)γ promoter region, and haplotypes of 7 polymorphic restriction sites in the beta-globin gene cluster were determined using PCR-based methods and DNA sequencing...
February 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28185829/a-systematic-review-of-the-literature-for-severity-predictors-in-children-with-sickle-cell-anemia
#16
Emily Riehm Meier, Ross M Fasano, Paul R Levett
All patients with HbSS (SCA) share the same genetic mutation but the clinical phenotype is variable and difficult to predict early in life. A reliable severity predictor would be invaluable toward directing therapeutic decisions in those patients at highest risk of SCA complications. A search of PubMed, Cochrane Clinical Trials Register, and Scopus was performed to determine which SCA severity predictors have been validated in pediatric patients. The full text of 94 of the 590 references identified was reviewed based on the title/abstract...
February 2, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28174536/exploring-the-pharmacokinetic-profile-of-remifentanil-in-mid-trimester-gestations-undergoing-fetal-intervention-procedures
#17
Judith A Smith, Roopali V Donepudi, Pedro S Argoti, Anita L Giezentanner, Ranu Jain, Noemi Boring, Elisa Garcia, Kenneth J Moise
Background: Indications for surgery during pregnancy have increased. Specifically fetal interventions have increased from conditions that were considered lethal like twin-twin transfusion syndrome and severe fetal anemia to non-lethal conditions like myelomeningocele. The optimal anesthetic agent for in utero surgery is yet to be determined. Success of the procedure is often dictated by the efficacy of the anesthetic to immobilize the fetus without over-sedating mom. Remifentanil is used as preferred agent due to its short half-life however pharmacokinetics in pregnancy is unknown...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28147377/case-report-acute-flair-of-ulcerative-colitis-during-pregnancy-is-still-a-major-problem
#18
Marijana Protic, Srdjan Markovic, Dino Tarabar
Although severe flare of ulcerative colitis (UC) is uncommon, it significantly increases the risk of preterm delivery, low birth weight and other adverse fetal outcomes. It is critical to optimize aggressive medical treatment with both mother and fetal health. Here, we present a case of a 30-year-old woman with a severe flare of UC at the 16th gestational week. The diagnosis of extensive UC was established 8 years ago. From the time she was diagnosed, she had 5 moderate flares successfully treated with oral and topical mesalamine...
2017: Digestive Diseases
https://www.readbyqxmd.com/read/28140723/placenta-previa-and-maternal-hemorrhagic-morbidity
#19
Karen J Gibbins, Brett D Einerson, Michael W Varner, Robert M Silver
OBJECTIVE: Placenta previa is associated with maternal hemorrhage, but most literature focuses on morbidity in the setting of placenta accreta. We aim to characterize maternal morbidity associated with previa and to define risk factors for hemorrhage. METHODS: This is a secondary cohort analysis of the NICHD Maternal-Fetal Medicine Units Network Cesarean Section Registry. This analysis included all women undergoing primary Cesarean delivery without placenta accreta...
February 21, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28116772/clinical-phenotypes-and-the-biological-parameters-of-congolese-patients-suffering-from-sickle-cell-anemia-a%C3%A2-first%C3%A2-report-from-central-africa
#20
Tite M Mikobi, Prosper Lukusa Tshilobo, Michel N Aloni, Pierre Z Akilimali, Georges Mvumbi-Lelo, Jean Marie Mbuyi-Muamba
BACKGROUND: The influence of phenotype on the clinical course and laboratory features of sickle cell anemia (SCA) is rarely described in sub-Saharan Africa. METHODS: A cross-sectional study was conducted in Kinshasa. A clinical phenotype score was built up. The following definitions were applied: asymptomatic clinical phenotype (ACP; score≤5), moderate clinical phenotype (MCP; score between 6 and 15), and severe clinical phenotype (SCP; score≥16). ANOVA test were used to compare differences among categorical variables...
January 23, 2017: Journal of Clinical Laboratory Analysis
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