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https://www.readbyqxmd.com/read/28543515/thrombocytopenia-associated-with-localized-scleroderma-report-of-four-pediatric-cases-and-review-of-the-literature
#1
Ankur Kumar Jindal, Anju Gupta, Sunil Dogra, Amit Rawat, Deepti Suri, Jasmina Ahluwalia, Surjit Singh
We report on four children with localized scleroderma (morphea) and thrombocytopenia. All four had the en coup de sabre subtype of morphea and had varying degrees of thrombocytopenia (8 × 10(9) /L to 120 × 10(9) /L). None of them had major bleeding manifestations, and thrombocytopenia resolved with treatment of morphea. (One patient was also given an injection of anti-D immunoglobulin.) We propose that thrombocytopenia associated with localized scleroderma is usually benign and requires no specific therapy...
May 23, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28508562/can-serological-methods-help-distinguish-between-prophylactic-and-alloimmune-anti-d
#2
C Irving, M Crennan, T Vanniasinkam
OBJECTIVES: Enzyme indirect antiglobulin test (EIAT) and polyethylene glycol IAT (PIAT) were evaluated for their potential use as tests to distinguish between prophylactic and alloimmune anti-D in plasma by comparing with a tube variation of the standard low ionic strength solution-IAT (LISS-IAT). BACKGROUND: Laboratories performing the screening of RhD-negative pregnant women are required to provide clinicians with guidance as to the source of detected RhD antibodies...
May 15, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28508413/serological-weak-d-phenotypes-a-review-and-guidance-for-interpreting-the-rhd-blood-type-using-the-rhd-genotype
#3
REVIEW
S Gerald Sandler, Leonard N Chen, Willy A Flegel
Approximately 0·2-1% of routine RhD blood typings result in a "serological weak D phenotype." For more than 50 years, serological weak D phenotypes have been managed by policies to protect RhD-negative women of child-bearing potential from exposure to weak D antigens. Typically, blood donors with a serological weak D phenotype have been managed as RhD-positive, in contrast to transfusion recipients and pregnant women, who have been managed as RhD-negative. Most serological weak D phenotypes in Caucasians express molecularly defined weak D types 1, 2 or 3 and can be managed safely as RhD-positive, eliminating unnecessary injections of Rh immune globulin and conserving limited supplies of RhD-negative RBCs...
May 16, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28488977/non-invasive-foetal-rhd-genotyping-to-guide-anti-d-prophylaxis-an-external-quality-assurance-workshop
#4
Frederik B Clausen, Angela N Barrett, Grethe R Krog, Kirstin Finning, Morten H Dziegiel
No abstract text is available yet for this article.
April 5, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28488958/strategies-to-identify-candidates-for-d-variant-genotyping
#5
Xunda Luo, Margaret A Keller, Ian James, Michelle Grant, Shiguang Liu, Kellie Simmons Massey, Andrew Czulewicz, Sandra Nance, Yanhua Li
BACKGROUND: RhD variants have altered D epitopes and/or decreased antigen copies per red cell. Individuals carrying these variants may test antigen negative, weakly positive, or positive by serology, and may or may not be at risk of alloimmunisation after exposure. There have been recommendations to perform RHD genotyping of patients, pregnant women and females of childbearing potential with serological weak D phenotype, to guide prophylactic use of Rh immune globulin (RhIG), and better conserve D-negative blood products...
April 5, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28470789/first-report-of-rhnull-individuals-in-the-indian-population-and-characterization-of-the-underlying-molecular-mechanisms
#6
Swati S Kulkarni, Kasiviswanathan Vasantha, Harita Gogri, Disha Parchure, Manisha Madkaikar, Claude Férec, Yann Fichou
BACKGROUND: Rhnull phenotype is an extremely rare condition characterized by no expression of Rh antigens at the surface of red blood cells. Although rare, genetic bases of this phenotype are well known and include mutations within either the RH (RHD and RHCE) genes or the RHAG gene. So far Rhnull has been reported in individuals of Caucasian, African, and Asian origin. Here, we report individuals from two families of Indian origin representing such a rare phenotype. STUDY DESIGN AND METHODS: Serologic analysis was carried out by testing with anti-D, -C, -c, -E, and -e in Rhnull individuals and their family members...
May 3, 2017: Transfusion
https://www.readbyqxmd.com/read/28454758/n-o-343-pr%C3%A3-diction-du-g%C3%A3-notype-rhd-f%C3%A5-tal-par-test-pr%C3%A3-natal-non-invasif-de-routine-au-canada-l%C3%A2-heure-est-venue
#7
Jo-Ann Johnson, Kim MacDonald, Gwen Clarke, Amanda Skoll
Actuellement, la meilleure façon de prendre en charge les femmes enceintes Rh négatives consiste à prédire la présence ou l'absence de l'antigène D chez le fœtus au moyen d'un test non invasif analysant l'ADN acellulaire (ADNa) dans le plasma maternel, et à administrer une prophylaxie à celles dont l'enfant est RHD positif. Cette approche, prise pour norme dans un nombre croissant de pays, assure aux femmes enceintes Rh négatives des soins optimaux. La présente directive est le fruit d'une réunion de consensus du groupe de travail national sur le facteur Rh du Canada, un groupe interdisciplinaire formé pour examiner la situation nationale actuelle du génotypage RHD fœtal effectué sur l'ADNa...
May 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28454757/no-343-routine-non-invasive-prenatal-prediction-of-fetal-rhd-genotype-in-canada-the-time-is-here
#8
Jo-Ann Johnson, Kim MacDonald, Gwen Clarke, Amanda Skoll
The optimal management of the D-negative pregnant woman is now based on the non-invasive antenatal prediction of fetal D-blood group by cell-free DNA (cfDNA) in maternal plasma, with targeted prophylaxis for women carrying RHD-positive fetuses. This provides the optimal care for D-negative pregnant women and has been adopted as the standard approach in a growing number of countries around the world. This paper is the result of a consensus meeting of the Canadian National Rh Working Group, an interdisciplinary group formed to review the current status of fetal RHD genotyping based on cfDNA in Canada...
May 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28449972/effect-of-prophylactic-or-therapeutic-administration-of-paracetamol-on-immune-response-to-dtwp-hepb-hib-combination-vaccine-in-indian-infants
#9
Arijit Sil, Mandyam D Ravi, Badri N Patnaik, Mandeep S Dhingra, Martin Dupuy, Dulari J Gandhi, Sangappa M Dhaded, Anand P Dubey, Ritabrata Kundu, Sanjay K Lalwani, Jugesh Chhatwal, Leni G Mathew, Madhu Gupta, Shiv D Sharma, Sandeep B Bavdekar, Soumya P Rout, Midde V Jayanth, Naveena A D'Cor, Somnath A Mangarule, Suresh Ravinuthala, Jagadeesh Reddy E
BACKGROUND: Vaccination is considered as the most cost effective method for preventing infectious diseases. Low grade fever is a known adverse effect of vaccination. In India, it is a common clinical practice to prescribe paracetamol either prophylactically or therapeutically to manage fever. Some studies have shown that paracetamol interferes with antibody responses following immunization. This manuscript reports the outcome of a post hoc analysis of data from a clinical trial of a pentavalent vaccine in Indian infants where paracetamol was not used or was used either as prophylaxis or for treatment of fever...
May 19, 2017: Vaccine
https://www.readbyqxmd.com/read/28396683/preparation-and-neutralization-efficacy-of-igy-antibodies-raised-against-deinagkistrodon-acutus-venom
#10
Jinhua Liu, Qiyi He, Wenwen Wang, Bin Zhou, Bo Li, Yingfeng Zhang, Cong Luo, Diancheng Chen, Jia Tang, Xiaodong Yu
BACKGROUND: The five-paced pit viper (Deinagkistrodon acutus), endemic to China and northern Vietnam, is responsible for most snakebites in the Chinese territory. Antivenom produced from horses is the main treatment for snakebites, but it may cause numerous clinical side effects and have other disadvantages involved in their production such as the welfare of animals. The present study was conducted aiming to develop an alternative antibody (IgY) from the egg yolk of leghorn chickens immunized with snake venom...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28389344/emergency-transfusion-of-patients-with-unknown-blood-type-with-blood-group-o-rhesus-d-positive-red-blood-cell-concentrates-a-prospective-single-centre-observational-study
#11
Kathleen Selleng, Gregor Jenichen, Kathrin Denker, Sixten Selleng, Bernd Müllejans, Andreas Greinacher
BACKGROUND: Emergency patients with unknown blood type usually receive O Rhesus D negative (RhD-) red blood cell concentrates until their blood group is determined to prevent RhD+ related adverse transfusion reactions. As 85% of individuals are RhD+, this consumption of O RhD- red blood cell concentrates contributes to shortages of O RhD- red blood cell concentrates, sometimes forcing transfusion of known RhD- patients with RhD+ red blood cell concentrates. Here we report the outcome of this transfusion policy transfusing all emergency patients with unknown blood type with O RhD+ red blood cell concentrates...
April 4, 2017: Lancet Haematology
https://www.readbyqxmd.com/read/28374955/rhd-alleles-among-pregnant-women-with-serologic-discrepant-weak-d-phenotypes-from-a-multiethnic-population-and-risk-of-alloimmunization
#12
Carolina Bonet Bub, Maria Giselda Aravechia, Thiago Henrique Costa, José Mauro Kutner, Lilian Castilho
BACKGROUND: A considerable number of RHD alleles responsible for weak and partial D phenotypes have been identified. Serologic determination of these phenotypes is often doubtful and makes genetic analysis of RHD gene highly desirable in transfusion recipients and pregnant women. We analyzed the RHD gene in a cohort of pregnant women with doubtful D phenotypes. METHODS: RHD genotyping was performed on 104 cases with D typing discrepancies or with history of serologic weak D phenotype...
April 4, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28369969/a-rare-potentially-life-threatening-presentation-of-passenger-lymphocyte-syndrome
#13
Thomas J Gniadek, Andrea M McGonigle, R Sue Shirey, Patricia A Brunker, Michael Streiff, Benjamin Philosophe, Evan M Bloch, Paul M Ness, Karen E King
BACKGROUND: Passenger lymphocyte syndrome occurs when donor lymphocytes are transplanted with a solid organ and produce alloantibodies that react with antigens on the recipient's red blood cells (RBCs). Typically, passenger lymphocyte syndrome presents as immunoglobulin G antibody-mediated, extravascular hemolytic anemia with reticulocytosis. Often, the donor was alloimmunized before transplantation. CASE REPORT: A 34-year-old Group O, D+ man with a negative antibody screen received a liver transplant from a Group O, D- donor...
May 2017: Transfusion
https://www.readbyqxmd.com/read/28316444/anti-g-with-concomitant-anti-c-and-anti-d-a-case-report-in-a-pregnant-woman
#14
Rabeya Yousuf, Ahmad Nasirudin Mustafa, Siew-Ling Ho, Yee-Loong Tang, Chooi-Fun Leong
The G antigen of Rh blood group system is present in almost all D-positive or C-positive red cells but absent from red cells lacking D and C antigens. The differentiation of anti-D and anti-C from anti-G is not necessary for routine transfusion; however, during pregnancy, it is important because anti-G can masquerade as anti-D and anti-C with initial antibody testing. The false presence of anti-D will exclude the patient from receiving anti-D immunoglobulin (RhIG) when the patient actually is a candidate for RhIG prophylaxis...
January 2017: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/28316442/alloimmunization-in-autoimmune-hemolytic-anemia-patient-the-differential-adsorption-approach
#15
Ravi C Dara, Aseem Kumar Tiwari, Dinesh Arora, Subhasis Mitra, Devi Prasad Acharya, Geet Aggarwal, Jyoti Sharma
Patients of β-thalassemia major are dependent on regular blood transfusions for their entire lifetime. Development of antibodies against red blood cell (RBC) antigen which may be alloantibody or autoantibody, several times as a result of frequent red cell component transfusions, further complicates the subsequent transfusion therapy. Among the autoantibodies, warm-reactive autoantibodies are commoner and interfere in the pretransfusion testing. These RBC autoantibodies present in patient's serum potentially react with all the cells of antibody identification panel giving "pan-reactive" picture and making alloantibody identification complex...
January 2017: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/28250602/safety-and-efficacy-of-a-single-dose-of-anti-d-winrho-%C3%A2-in-severe-thrombocytopenia-secondary-to-dengue-virus-infection
#16
Ashok Kumar Pannu, Ashish Bhalla, Mayank Singhal, Vikas Suri, Nusrat Shafiq, Subhash Varma
OBJECTIVE: To evaluate the efficacy of a single intravenous (IV) dose of anti-D in severe thrombocytopenia (<20,000) due to dengue virus (DEV) infection. MATERIALS AND METHODS: An open label, investigator-initiated, randomized interventional study was conducted that included thirty dengue patients (all positive for IgM enzyme-linked immunosorbent assay) with severe thrombocytopenia (<20,000/mm(3)). Patients were randomized to receive anti-D (50 μg/kg single IV dose) plus supportive therapy or supportive therapy alone...
February 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28220510/diverse-and-novel-rhd-variants-in-australian-blood-donors-with-a-weak-d-phenotype-implication-for-transfusion-management
#17
E C McGowan, G H Lopez, C M Knauth, Y-W Liew, J A Condon, L Ramadi, K Parsons, E M Turner, R L Flower, C A Hyland
BACKGROUND AND OBJECTIVES: Variant RHD genes associated with the weak D phenotype can result in complete or partial D-epitope expression on the red cell. This study examines the genetic classification in Australian blood donors with a weak D phenotype and correlates RHD variants associated with the weak D phenotype against D-epitope profile. MATERIALS AND METHODS: Following automated and manual serology, blood samples from donors reported as 'weak D' (n = 100) were RHD genotyped by a commercial SNP-typing platform and Sanger sequencing...
April 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28208873/high-dose-intravenous-anti-d-immune-globulin-is-more-effective-and-safe-in-indian-paediatric-patients-of-immune-thrombocytopenic-purpura
#18
Trupti Rekha Swain, Rabindra Kumar Jena, Kali Prasanna Swain
INTRODUCTION: Immune Thrombocytopenia (ITP) is characterised by an autoimmune antibody-mediated destruction of platelets and impaired platelet production. Few controlled trials exist to guide management of patients with ITP in Indian scenario for which patients require an individualized approach. Anti-D (Rho (D) immune globulin) at a higher dose can prove to be a cost effective and safe alternative for Indian patients with ITP. AIM: To compare the safety and efficacy of higher dose (75μg/kg) intravenous Anti-D immune globulin against the standard dose of 50μg/kg for the management of ITP in Indian patients...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28198911/dioctophyme-renale-prevalence-and-risk-factors-of-parasitism-in-dogs-of-s%C3%A3-o-crist%C3%A3-v%C3%A3-o-district-tr%C3%A3%C2%AAs-barras-county-santa-catarina-state-brazil
#19
Daniela Pedrassani, Adjair Antonio do Nascimento, Marcos Rogério André, Rosangela Zacarias Machado
Dioctophyme renale is a nematode that can be found parasitizing the kidney, peritoneal cavity and, rarely, other organs of canids and mustelids. This disease has high occurrence in the municipality of Três Barras, state of Santa Catarina, thus making this an interesting area to study the epidemiological aspects of infection by D. renale in dogs. Among 197 dogs, 14.2% showed the parasite eggs in urine and 16.4% showed IgG antibodies anti-D. renale in serum samples according to the indirect ELISA method; among seropositive dogs, 15 (37...
January 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28101958/a-review-of-maternal-alloimmunisation-to-rh-d-in-northern-ireland
#20
C J McCauley, K Morris, K Maguire
OBJECTIVES: To estimate the current incidence of maternal sensitisation to Rhesus (Rh) D in Northern Ireland, examine adherence to recommendations for administration of anti-D immunoglobulin and identify potential causes for all cases of anti-D alloimmunisation sensitisation from January 2010 to September 2015. BACKGROUND: Post-partum anti-D immunoglobulin administered to Rh D-negative women and routine antenatal anti-D prophylaxis have greatly reduced the incidence of haemolytic disease of the fetus and newborn due to immune anti-D...
January 19, 2017: Transfusion Medicine
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