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Hemolytic disease of newborn

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https://www.readbyqxmd.com/read/29207719/approach-to-a-pregnant-woman-with-anti-d-anti-c-reactivity-pattern-a-diagnostic-conundrum
#1
Preeti Rai, Geetika Sharma, Deeksha Singh, Jyoti Garg
The Rhesus G antigen is present on all RBCs that are C+ and also on most D+ RBCs. Due to this co-distribution of G with either C or D antigen, it mimics a reactivity pattern of anti C + anti D on Indirect Antiglobulin Test (IAT), though the role of Anti G in causing Hemolytic Disease of Newborn (HDN) is controversial. The differentiation of anti D, anti C, and anti G is essential particularly in pregnant females. We hereby report a rare case of anti G with anti D and anti C in a pregnant woman with emphasis on approach to identify anti D+C+G and its implications...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29194292/fetal-splenomegaly-a-review
#2
Marta Moreira, Rafael Brás, Daniela Gonçalves, Inês Alencoão, Gonçalo Inocêncio, Maria Rodrigues, Jorge Braga
Enlargement of the fetal spleen is usually found secondary to systemic diseases and is frequently associated with hepatomegaly. By far, the most common causes of fetal splenomegaly are infectious. Other etiologies responsible for this sign are hemolytic anemia, congestive cardiac failure, metabolic disorders, and rarely, leukemia, lymphoma, and histiocytosis.We report a case of prenatal splenomegaly diagnosed at 35 weeks, confirmed in the postnatal period. The postnatal workup showed the newborn had a familial type 3 form of hemophagocytic lymphohistiocytosis (HLH)...
November 29, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/29193117/the-development-of-d-antibodies-after-d-mismatched-kidney-transplantation-in-a-setting-of-reduced-immunosuppression
#3
Thomas H P M Habets, Joris Vanderlocht, Ron J M H E Straat, Tim C van Smaalen, Gerard M J Bos, Erik A Beckers, Maarten H L Christiaans, Yvonne M C Henskens
BACKGROUND: D antigens are not taken into account in the allocation of solid organs. Female transplant recipients with D antibodies as a consequence of D-mismatched kidney transplantation may develop hemolytic disease of the fetus and newborn in future pregnancies. We examined D antibody development in transplant recipients who received D-mismatched kidney transplantation in absence of D prophylaxis and in a setting of reduced immunosuppression. STUDY DESIGN AND METHODS: From 1993 until 2015, a total of 1355 kidney patients received transplantations in our center of whom 156 received a D-mismatched graft...
November 29, 2017: Transfusion
https://www.readbyqxmd.com/read/29193111/clinical-input-of-anti-d-quantitation-by-continuous-flow-analysis-on-autoanalyzer-in-the-management-of-high-titer-anti-d-maternal-alloimmunization
#4
Cécile Toly-Ndour, Haifa Mourtada, Stéphanie Huguet-Jacquot, Emeline Maisonneuve, Stéphanie Friszer, Françoise Pernot, Pauline Thomas, Jean-Marie Jouannic, Bruno Carbonne, Anne Cortey, Agnès Mailloux
BACKGROUND: In addition to titration by indirect antiglobulin test most widely used, anti-D quantitation by continuous-flow analysis (CFA) may be performed to assess severity of maternal immunization. Only five studies have reported its added value in the management of pregnancies complicated by anti-D immunization. STUDY DESIGN AND METHODS: A retrospective study of 74 severe anti-D-immunized pregnancies was conducted from January 1, 2013, to December 31, 2014, in the Trousseau Hospital in Paris (France)...
November 29, 2017: Transfusion
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
#5
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/29177106/anti-m-alloimmunization-management-and-outcome-at-a-single-institution
#6
Bethany Stetson, Scott Scrape, Kara Beth Markham
Objective  The objective of this study was to review the management strategies and outcomes in gravidas with anti-M alloimmunization over 15 years. Study Design  Data collected from 195 pregnant patients with anti-M antibodies from July 2000 through June 2016 were reviewed retrospectively. We analyzed indirect antiglobulin test titer results, paternal or fetal/neonatal M antigen status, antepartum course, and perinatal outcomes. Results  Anti-M antibodies were found in 146 women and 195pregnancies. Among those with positive indirect antiglobulin tests, 193 pregnancies had titers at or below 1:4...
October 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/29097176/how-shall-we-transfuse-hippolyta
#7
Brendan C Graham, Lindsey J Graham, Carl H Rose, Jeffrey L Winters
The US Department of Defense recently made the decision to open direct ground combat roles to women. Blood product transfusion is an essential component of the US Military guidelines for tactical combat casualty care and damage control resuscitation, but blood transfusion carries with it the specific side effect of alloimmunization-a uniquely significant side effect for young women who may desire subsequent pregnancies. Presently to be considered are the changes that may need to be made to blood transfusion in the setting of battlefield medicine to optimally care for combat-injured women, as a majority of the existing data regarding the risks of transfusion in the trauma setting involve predominantly men...
October 31, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29081075/hemolytic-disease-of-the-newborn-due-to-anti-e-and-anti-c-antibody-following-maternal-transfusion
#8
Midori Yoda, Shigeharu Hosono, Nobuhiko Nagano, Kayo Yoshikawa, Shori Takahashi
No abstract text is available yet for this article.
October 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/29070139/-analysis-of-correlation-between-igg-titer-of-pregnant-women-and-neonatal-hemolytic-complications-of-different-blood-groups
#9
Hai-Hui Ye, Hong-Hai Huang, Xiao-Lin Wang, You-Jun Pi
OBJECTIVE: To study the relationship between IgG titer of pregnant women and hemolytic disease of newborn(HDN) with different blood groups. METHODS: Four hundred pregnant women, including pregnant women with type O blood, were selected from May 2014 to January 2015 in our hospital for inspection and a couple of different blood groups, the IgG titer of pregnant women were detected in the inspection process. According to neonatal HDN, newborns were divided into 2 groups: HDN group(85 cases) and non-HDN group(315 cases)...
October 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29043829/postpartum-acute-hemolytic-transfusion-reactions-associated-with-anti-lea-in-two-pregnancies-complicated-by-preeclampsia
#10
Marcia Marchese
Lewis blood group antibodies, which are mostly naturally occurring and considered clinically insignificant, have rarely been documented as a cause of acute hemolytic transfusion reactions (AHTRs). This report presents two cases of AHTRs caused by anti-Lea occurring in postpartum black females (one group B, one group AB) whose pregnancies were complicated by preeclampsia. Neither anti-Lea was detected by automated solid-phase red cell adherence technology in pre-transfusion testing. Therefore, red blood cell units, compatible by electronic crossmatch, were issued and transfused...
September 2017: Immunohematology
https://www.readbyqxmd.com/read/29043828/a-lu-16-individual-with-antibodies
#11
Carole Éthier, Cynthia Parent, Anne-Sophie Lemay, Nadia Baillargeon, Geneviève Laflamme, Josée Lavoie, Josée Perreault, Maryse St-Louis
Antibodies against Lutheran blood group antigens have been observed during first-time pregnancy. Samples from a woman of African descent were tested in our immunohematology laboratory on several occasions since 2001. Her samples were phenotyped as Lu(a+b-), and anti-Lub was suspected but not identified. She was asked to make autologous donations in preparation for her delivery, which she did. In 2010, two antibodies were identified: anti-Lea and -Lub. Six years later, a third investigation was requested. This time, an antibody directed at a high-prevalence Lutheran antigen was found in addition to the anti-Lea and -Lub previously observed...
September 2017: Immunohematology
https://www.readbyqxmd.com/read/28926834/heme-oxygenase-activity-and-heme-binding-in-a-neonatal-mouse-model
#12
Stephanie Kourula, Joyce Ang, Hui Zhao, Flora Kalish, Peter Vandenabeele, Karl G Sylvester, Ronald J Wong, David K Stevenson
BACKGROUND: Severe hemolytic disease of the newborn leads to the release of pro-oxidative free heme (FH). Heme oxygenase (HO) is primarily responsible for detoxifying FH. OBJECTIVE: To investigate the protective effects of HO in a model of heme overload. METHODS: For in vitro studies, NIH3T3 HO-1-luc cells were incubated with 10, 30, or 60 µM FH or methemalbumin (MHA). HO-1 promoter activity was assessed 3, 6, and 24 h after treatment. Cell survival was indexed by viability assays...
September 20, 2017: Neonatology
https://www.readbyqxmd.com/read/28854515/intravenous-immunoglobulin-in-the-management-of-a-rare-cause-of-hemolytic-disease-of-the-newborn-anti-sara-antibodies
#13
Rohini Venkataraman, Kamran Yusuf
Hemolytic disease of newborn (HDN) is a condition that develops in a fetus, when the IgG molecules produced by the mother pass through the placenta and attack the fetal red blood cells. HDN can occur due to Rh and ABO incompatibilities between the mother and the fetus as well as due to other allo-immune antibodies belonging to Kell (K and k), Duffy (Fya), Kidd (Jka and Jkb), and MNS (M, N, S, and s) systems. Role of intravenous immunoglobulin in management of HDN is not clear.SARA red blood cell antigen, first discovered in 1990 is a low frequency antigen...
2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28796682/a-guide-to-terminology-for-rh-immunoprophylaxis
#14
S Gerald Sandler, John T Queenan
Rh immunoprophylaxis for Rh-negative women requires an understanding of terminology used for Rh blood typing laboratory reports. The pathophysiology of Rh hemolytic disease of the fetus and newborn was elucidated by studies in rhesus monkeys. Subsequent studies revealed that the human blood group antigen responsible for Rh hemolytic disease of the newborn (D antigen) is related to, but different from, the rhesus monkey antigen. Weak expression of the D antigen on red cells, originally termed D, is currently reported by laboratories as a "serologic weak D phenotype," which can be further defined by RHD genotyping to be either a weak D type or a partial D phenotype...
September 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28742673/practice-bulletin-no-181-prevention-of-rh-d-alloimmunization
#15
(no author information available yet)
Advances in the prevention and treatment of Rh D alloimmunization have been one of the great success stories of modern obstetrics. There is wide variation in prevalence rates of Rh D-negative individuals between regions, for example from 5% in India to 15% in North America (1). However, high birth rates in low prevalence areas means Rh hemolytic disease of the newborn is still an important cause of morbidity and mortality in countries without prophylaxis programs (1). In such countries, 14% of affected fetuses are stillborn and one half of live born infants suffer neonatal death or brain injury (1)...
August 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28742667/practice-bulletin-no-181-summary-prevention-of-rh-d-alloimmunization
#16
(no author information available yet)
Advances in the prevention and treatment of Rh D alloimmunization have been one of the great success stories of modern obstetrics. There is wide variation in prevalence rates of Rh D-negative individuals between regions, for example from 5% in India to 15% in North America (1). However, high birth rates in low prevalence areas means Rh hemolytic disease of the newborn is still an important cause of morbidity and mortality in countries without prophylaxis programs (1). In such countries, 14% of affected fetuses are stillborn and one half of live born infants suffer neonatal death or brain injury (1)...
August 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28729746/the-incidence-and-effects-of-alloimmunization-in-pregnancy-during-the-period-2000%C3%A2-%C3%A2-2013
#17
Marjana Jerković Raguž, Darinka Šumanovic Glamuzina, Jerko Brzica, Tonći Gruica
INTRODUCTION: The objective of the analysis was to examine the epidemiological aspects of maternal alloimmunization and to determine the most common antibody specificities resulting in hemolytic disease of the newborn (HDN). MATERIALS AND METHODS: The retrospective epidemiological study encompasses all pregnant women who underwent immunohematological screening and the newborn treated for HDN in the period from 2000 to 2013 in the Herzegovina region. RESULTS: The indirect Coombs test (ICT) detected antibodies against antigens in 384 (2...
July 2017: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/28719639/oral-administration-of-chinese-herbal-medicine-during-gestation-period-for-preventing-hemolytic-disease-of-the-newborn-due-to-abo-incompatibility-a-systematic-review-of-randomized-controlled-trials
#18
REVIEW
Huijuan Cao, Ruohan Wu, Mei Han, Patrina Ha Yuen Caldwell, Jian-Ping Liu
BACKGROUND: About 85.3% of hemolytic disease of the newborn (HDN) is caused by maternal-fetal ABO blood group incompatibility. However, there is currently no recommended "best" therapy for ABO incompatibility during pregnancy. OBJECTIVES: To systematically assess the safety and effectiveness of oral Chinese herbal medicine (CHM) for preventing HDN due to ABO incompatibility. METHODS: The protocol of this review was registered on the PROSPERO website (No...
2017: PloS One
https://www.readbyqxmd.com/read/28719385/prevention-of-hemolytic-disease-of-the-fetus-and-newborn-what-have-we-learned-from-animal-models
#19
Yoelys Cruz-Leal, Danielle Marjoram, Alan H Lazarus
PURPOSE OF REVIEW: This review aims to highlight recent advances in our understanding of how anti-red blood cell (RBC) antibodies prevent erythrocyte immunization with an emphasis on new murine models. RECENT FINDINGS: New murine models with clinically relevant human erythrocyte antigens have been used to understand the alloimmunization process and its inhibition. The search to elucidate the mechanism of action of IgG-mediated inhibition of erythrocyte alloimmunization has provided new evidence in support of a potential role for epitope masking, immune deviation and/or antigen modulation in this process...
November 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28681433/prevalence-of-positive-direct-antiglobulin-test-and-clinical-outcomes-in-surinamese-newborns-from-d-negative-women
#20
Rens Zonneveld, Margriet Lamers, Henk Schonewille, Anneke Brand, Humphrey H H Kanhai, Wilco C W R Zijlmans
BACKGROUND: In low-resource countries, screening for D antibodies to detect pregnancies at risk for hemolytic disease of the newborn is not routine practice. Retrospective data showed that 5.5% of Surinamese newborns of D-negative women had a positive direct antiglobulin test (DAT), indicating the presence of maternal antibodies against fetal antigens. Here, the frequency and clinical relevance of DAT positivity is evaluated. STUDY DESIGN AND METHODS: Between April 2015 and June 2016, an observational, multicenter cohort study was undertaken among Surinamese newborns born to D-negative women...
October 2017: Transfusion
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