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  • Immunohematology

 

Report | 14-March-2020

The significance of a positive DAT in thalassemia patients

The DAT is performed for the detection of antibody or complement on the surface of RBCs. Our institution previously performed DATs on all chronically transfused thalassemia patients before each transfusion episode to detect early alloimmunization. The medical records of all thalassemia patients treated at our institution from 2004 to 2007 were reviewed to determine the significance of the high rate of positive DATs (52.5% of 80 patients). The majority of IgG-reactive DATs were associated with a

Suzanne A. Arinsburg, Donna L. Skerrett, Dorothy Kleinert, Patricia J. Giardina, Melissa M. Cushing

Immunohematology, Volume 26 , ISSUE 3, 87–91

Article | 17-February-2021

Clinical impacts of DNA-based typing and provision of antigen-matched red blood cell units for chronically transfused patients with thalassemia

Chronic transfusion in patients with thalassemia is often complicated by red blood cell (RBC) alloantibodies to the lacking antigens on the patients’ RBCs. The prevalence of alloantibodies ranges from 4.25 to 37 percent in patients with thalassemia.1–6 Clinically significant alloantibodies can shorten transfused erythrocyte survival due to hemolytic transfusion reactions. To reduce the alloantibody risk, RBC antigen serotyping for Rh (C, c, E, e) and MNS hybrid glycophorins, especially for MNS7

P. Watanaboonyongcharoen, S. Onspun, P. Rojnuckarin

Immunohematology, Volume 36 , ISSUE 4, 137–145

Case report | 01-December-2019

Alloimmunization to Kell blood group system antigen owing to unmatched blood transfusion in a resource-poor setting

One of the major drawbacks of multiple blood transfusions in patients with thalassemia is the risk of development of alloimmunization to various red cell antigens within blood group systems such as Rh, Kell, Duffy, and Kidd. The problem is greater in developing countries because of lack of awareness and insufficient availability of specific typing antisera and antibody screening panels owing to financial constraints. It is of utmost importance to provide D, C, c, E, e, and K phenotype-matched

Sheetal Malhotra, Gagandeep Kaur, Sabita Basu, Ravneet Ravneet, Geetanjali Jindal

Immunohematology, Volume 28 , ISSUE 2, 45–48

Case report | 14-December-2020

Case report and review: alloimmunization, delayed hemolytic transfusion reaction, and clinically significant anti-Yta in a patient with ß-thalassemia/sickle cell anemia

A 26-year-old female with ß-thalassemia/sickle cell anemia was admitted to the hospital with symptoms of a painful crisis. During the next 4 days her hematocrit decreased to 13 percent, and there was reticulocytopenia. She was transfused with four units of red blood cells that were microscopically incompatible, and the hematocrit increased to 29 percent. Eight days later the patient was readmitted with back pain, hemoglobinuria, and a hematocrit of 27 percent. Anti-E, -c, -Jka, and -Yta

Christopher D. Hillyer, Jacquelynn M. Hall, Karen O. Tiegerman, Eugene M. Berkman

Immunohematology, Volume 7 , ISSUE 4, 102–106

Review | 01-April-2020

Transfusion of multiple units of Js(b+) red blood cells in the presence of anti-Jsb in a patient with sickleβ-thalassemia disease and a review of the literature

Jsb is a high-frequency antigen.Anti-Jsb is a rare alloantibody,and its clinical significance is poorly documented. We report a case in which a 12-year-old boy of Nigerian descent with sickle βthalassemia presented with multiple alloantibodies, including a panagglutinin and acute chest syndrome, necessitating the emergent transfusion of five units of phenotype-similar,crossmatchincompatible RBCs,four of which were given during an exchange transfusion. The patient was later found to have

Shan Yuan, Nadia P. Ewing, Debra Bailey, Marissa Salvador, Shirong Wang

Immunohematology, Volume 23 , ISSUE 2, 75–80

Article | 30-July-2021

Multicentre evaluation of impacted and transmigrated canines: a retrospective study

difference was evident between the genders, the site (right/left) and the impacted/transmigrated canines (p > 0.05). However, it was determined that canine impaction was significantly more frequent in the maxilla than in the mandible (p < 0.05). In addition, of the 38 patients presenting with transmigrated canines, eight (21.6%) had a history of alpha thalassemia. Conclusions: Canine transmigration occurs in both the mandible and maxilla. The prevalence of impacted/transmigrated canines in the

Hakan Avsever, Kaan Gunduz, Mesut Akyol, Kaan Orhan

Australasian Orthodontic Journal, Volume 33 , ISSUE 2, 170–178

Case report | 09-October-2019

Hemolytic transfusion reaction attributable to anti-Dia  

In situations when a patient's antibody detection test is negative, many institutions have moved from an indirect antiglobulin test (IAT) crossmatch to an electronic crossmatch system. Here we report a case of an acute hemolytic transfusion reaction attributable to anti-Dia in a patient with a negative antibody detection test. A 22-year-old female patient with a diagnosis of β thalassemia and sickle cell anemia commenced a routine exchange transfusion of 5 units of red blood cells

Arthur J. Joyce, Kelli M Quantock, Ray Banh, Yew-Wah Liew

Immunohematology, Volume 33 , ISSUE 1, 6–8

Review | 29-October-2019

Raph blood group system

family of proteins. These three individuals had nephropathy and deafness, and two of the three, who are siblings, also had skin lesions and β-thalassemia minor. The fourth subject had missense mutation c.533G>A (p.Arg178His). Subjects 5 and 6 shared missense mutation c.511C>T (p.Arg171Cys) as well as a synonymous single-nucleotide mutation (c.579A>G) and had no clinical features. Although the CD151 protein is critical to cellto-cell interactions and cell signaling and is implicated in

Michele Hayes

Immunohematology, Volume 30 , ISSUE 1, 6–10

Report | 09-October-2019

Trends of ABO and Rh phenotypes in transfusion-dependent patients in Pakistan

The objective of this study was to determine the prevalence of ABO and Rh phenotypes in the general Pakistan population. This information could be used to help reduce the rate of alloimmunization in patients with blood disorders, such as thalassemia major, who require frequent blood transfusions. A total of 242 patients with blood disorders requiring frequent blood transfusions were enrolled in the study. ABO and Rh typing was performed on samples from these patients using tube and gel methods

Nida Anwar, Munira Borhany, Saqib Ansari, Sana Khurram, Uzma Zaidi, Imran Naseer, Muhammad Nadeem, Tahir Shamsi

Immunohematology, Volume 32 , ISSUE 4, 170–173

Report | 26-October-2019

First example of an FY*01 allele associated with weakened expression of Fya on red blood cells

. Phenotypematched units were desired for a multi-transfused Vietnamese fetus with α-thalassemia. Genotyping of the fetus using a microarray assay that interrogates three SNPs (c.1-67, c.125, and c.265) in FY yielded indeterminate results for the predicted Duffy phenotype. Genomic sequencing of FY exon 2 showed that the fetal sample had one wild-type FY*01 allele and one new FY*01 allele with the c.265C>T SNP, which until recently had only been found on the FY*02 allele. Genotyping performed on samples

Patricia A. Arndt, Trina Horn, Jessica A Keller, Rochelle Young, Suzanne M. Heri, Margaret A. Keller

Immunohematology, Volume 31 , ISSUE 3, 103–107

Report | 09-October-2019

Red blood cell phenotype prevalence in blood donors who self-identify as Hispanic

Molecular genotyping platforms provide a quick, high-throughput method for identifying red blood cell units for patients on extended phenotype-matching protocols, such as those with sickle cell disease or thalassemia. Most of the antigen prevalence data reported are for non-Hispanic populations. Therefore, this study sought to determine the phenotype prevalence in a single blood center’s Hispanic population and to compare those results with previously reported rates in non-Hispanic donor

Chelsea A. Sheppard, Nicole L. Bolen, Beth Eades, Gorka Ochoa-Garay, Mark H. Yazer

Immunohematology, Volume 33 , ISSUE 3, 119–124

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