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Luyten U, Peeraer S, Pirlet C, Khaouch Y, Streel C, Deneys V. O-negative blood shortage management in a university hospital: Impact of transfusing RhD-positive red blood cells to RhD-negative patients. Transfus Clin Biol 2023; 30:402-409. [PMID: 37453488 DOI: 10.1016/j.tracli.2023.06.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/28/2023] [Accepted: 06/30/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND Shortages of O-negative red blood cells are becoming increasingly common, forcing hospitals' blood transfusion services to find solutions to conserve this blood group for patients who need it most. The present study aimed to retrospectively evaluate the practice of transfusing selected RhD-negative patients with RhD-positive red blood cells and to assess the impact of this measure on patients and blood transfusion service management. METHODOLOGY Transfusion data of 1199 RhD-negative patients hospitalised at Cliniques Universitaires Saint-Luc between 2019 and 2022 were analysed. For patients who received RhD-positive red blood cells, age, gender, reason for hospital admission, indication for transfusion, and immunohematology analyses were recorded. These data enabled an assessment of transfusion practices over the years, characterisation of patients who received RhD-mismatched transfusions, determination of the alloimmunisation rate, and calculation of the total number of RhD-negative red blood cells saved. RESULTS During the study period, 141 RhD-negative patients received 604 RhD-positive red blood cells. A change in transfusion practices was observed over the years, with a greater proportion of RhD-negative patients being transfused with RhD-positive red blood cells in 2022 (28%) compared to 2019 (2%). The overall alloimmunisation rate was at least 20%, and 416 red blood cells were saved without any consequences. Patients undergoing cardiovascular surgery received the highest number of RhD-positive red blood cells. CONCLUSION The transfusion of selected RhD-negative patients with RhD-positive red blood cells is a low-risk practice that helps conserve RhD-negative red blood cells. However, there is a minimum 20% risk of alloimmunisation, which could have clinical and transfusion-related consequences in the future.
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Affiliation(s)
- Urszula Luyten
- Blood Transfusion Service, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Sarah Peeraer
- Blood Transfusion Service, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Christine Pirlet
- Blood Transfusion Service, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Youssra Khaouch
- Blood Transfusion Service, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Corentin Streel
- Blood Transfusion Service, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Véronique Deneys
- Blood Transfusion Service, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium.
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2
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Takasaki K, Friedman DF, Uter S, Vege S, Westhoff CM, Chou ST. Variant RHD alleles and Rh immunization in patients with sickle cell disease. Br J Haematol 2023; 201:1220-1228. [PMID: 37002797 PMCID: PMC10247442 DOI: 10.1111/bjh.18774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/20/2023] [Accepted: 03/14/2023] [Indexed: 04/03/2023]
Abstract
RH diversity among patients and donors contributes to Rh immunization despite serologic Rh-matched red cell transfusions. Anti-D can occur in D+ patients with RHD variants that encode partial D antigens. Anti-D has also been reported in patients with conventional RHD transfused primarily with units from Black donors who frequently have variant RHD. We report 48 anti-D in 690 D+ transfused individuals with sickle cell disease, categorized here as expressing conventional D, partial D or D antigen encoded by RHD*DAU0. Anti-D formed in a greater proportion of individuals with partial D, occurred after fewer D+ unit exposures, and remained detectable for longer than for those in the other categories. Among all anti-D, 13 had clinical or laboratory evidence of poor transfused red cell survival. Most individuals with anti-D were chronically transfused, including 32 with conventional RHD who required an average of 62 D- units/year following anti-D. Our findings suggest that patients with partial D may benefit from prophylactic D- or RH genotype-matched transfusions to prevent anti-D. Future studies should investigate whether RH genotype-matched transfusions can improve use of valuable donations from Black donors, reduce D immunization and minimize transfusion of D- units to D+ individuals with conventional RHD or DAU0 alleles.
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Affiliation(s)
- Kaoru Takasaki
- Division of Hematology, Department of Pediatrics, The Children’s Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - David F. Friedman
- Division of Hematology, Department of Pediatrics, The Children’s Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Division of Transfusion Medicine, Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Stacey Uter
- Division of Hematology, Department of Pediatrics, The Children’s Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Sunitha Vege
- Immunohematology and Genomics, New York Blood Center, New York, NY
| | | | - Stella T. Chou
- Division of Hematology, Department of Pediatrics, The Children’s Hospital of Philadelphia, Philadelphia, PA, 19104, USA
- Division of Transfusion Medicine, Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, 19104, USA
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3
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Nebie K, Sawadogo S, Sawadogo S, Koulidiati J, Lengani HY, Sawadogo AG, Babinet J, Khalloufi M, Diop S, Kafando E. Red blood cell alloimmunisation in multi-transfused patients with chronic renal failure undergoing haemodialysis in Ouagadougou, Burkina Faso, 2018. Afr J Lab Med 2022; 11:1625. [PMID: 36263390 PMCID: PMC9575384 DOI: 10.4102/ajlm.v11i1.1625] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 05/26/2022] [Indexed: 11/21/2022] Open
Abstract
Background In Burkina Faso, red blood cell (RBC) transfusion remains the crucial anaemia treatment following chronic renal failure (CRF) as erythropoietin and its analogues are unavailable. However, blood group matching beyond the ABO and Rhesus is not common in Burkina Faso. Thus, alloimmunisation is a potential issue for transfused patients. Objective Our study aimed to identify anti-erythrocyte antibodies in multi-transfused CRF patients at the Yalgado Ouedraogo Teaching Hospital, Ouagadougou, Burkina Faso. Methods This cross-sectional study, conducted from October 2018 to November 2019, included CRF patients who had received at least two RBC units. We screened patients for the presence of RBC antibodies using three commercial Cells panels and identified antibody specificities for positive screenings using 11 Cells panels for an indirect antiglobulin test (IAT) in a low ionic strength microcolumn gel-card system. Results Two hundred and thirty-five patients (45.1% female; average age: 41.5 years) were included. The median number of blood units received per patient was 10 (interquartile range: 5–20). The overall alloimmunisation rate was 5.9% (14/235). Antibodies identified included: anti-D (1 case), anti-C (1 case), anti-D+C (4 cases), anti-CW (1 case), anti-E (1 case), anti-S (1 case) and anti-Lea (1 case). In four positive patients, the specificity of the antibodies was indeterminate. No risk factors were associated with alloimmunisation. Conclusion In Burkina Faso, screening for RBC alloantibodies should be mandated for patients at risk. The high rate of indeterminate antibodies suggests the need to develop a local RBC antibody panel adapted to the local population.
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Affiliation(s)
- Koumpingnin Nebie
- National Blood Center of Ouagadougou, Ouagadougou, Burkina Faso
- Laboratory of Haematology, Department of Fundamental Sciences, Health Sciences Research and Training Unit, University Joseph KI-ZERBO, Ouagadougou, Burkina Faso
| | - Salam Sawadogo
- National Blood Center of Ouagadougou, Ouagadougou, Burkina Faso
- Laboratory of Haematology, Department of Fundamental Sciences, Health Sciences Research and Training Unit, University Joseph KI-ZERBO, Ouagadougou, Burkina Faso
| | - Salifo Sawadogo
- National Institute for Medical Sciences, University Nazi Boni, Bobo-Dioulasso, Burkina Faso
- Souro Sanou Teaching Hospital, Bobo-Dioulasso, Burkina Faso
| | - Jérôme Koulidiati
- Laboratory of Haematology, Department of Fundamental Sciences, Health Sciences Research and Training Unit, University Joseph KI-ZERBO, Ouagadougou, Burkina Faso
- Yalgado Ouedraogo Teaching Hospital, Ouagadougou, Burkina Faso
| | | | | | - Jérôme Babinet
- Centre National de Référence pour les Groupes Sanguins (CNRGS), National Institute for Blood Transfusion, Paris, France
| | | | - Saliou Diop
- Department of Haematology, University Cheikh Anta Diop, Dakar, Senegal
| | - Eléonore Kafando
- Laboratory of Haematology, Department of Fundamental Sciences, Health Sciences Research and Training Unit, University Joseph KI-ZERBO, Ouagadougou, Burkina Faso
- Laboratory of Haematology, Paediatric Teaching Hospital Charles de Gaulle, Ouagadougou, Burkina Faso
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4
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Floch A. Maternal red blood cell alloimmunisation Working Party, literature review. RH blood group system: Rare specificities. Transfus Clin Biol 2021; 28:314-320. [PMID: 33895380 DOI: 10.1016/j.tracli.2021.04.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 04/16/2021] [Indexed: 11/19/2022]
Abstract
This report is part of a series reporting the GRADE review performed by the 2018-2020 French Working Party on maternal red blood cell alloimmunisation. This report focusses on the clinical significance in obstetrics, as published in the scientific literature, of the rare RH antibodies, variants and antigens (i.e. excluding conventional RH1 trough RH8 antigens, RH12, RH22 and RH27, which are discussed in other reports of this series). Extremely severe or severe haemolytic disease of the fetus and the newborn (HDFN), leading to death or requiring transfusions, have been reported for: anti-RH1 (-D) associated with DVI, DBT and DIVb phenotypes, RHD*12.04 (DOL4), RHD*03.03 (DIIIc), RHD*D-CE(2-5)-D, RHD*01EL.31 (RHD*148+1T), anti-RH9 (-CX), anti-RH11 (-EW), anti-RH17 (-Hr0), anti-RH18 (-Hr), anti-RH19 (-hrS), anti-RH23 (-DW), anti-RH29 ("total" Rh), anti-RH30 (-Goa), anti-RH32, anti-RH34 (-HrB), anti-RH36 (-Bea), anti-RH40 (-Tar), anti-RH46 (-Sec), anti-RH48 (-JAL), anti-RH54 (DAK), and antibodies to high prevalence antigens such as those associated with RHCE*02.08.02 (RHCE*CW-RHD(6-10)), RHCE*03N.01 (RHCE*cEMI). HDFN of moderate, mild or undetailed severity have been reported for: anti-RH1 associated with DHar, DIIIa and DIVa phenotypes, RHD*01EL.08 (RHD*486+1A),RHD*01EL.44 (RHD*D-CE(4-9)-D),RHD*25 (DNB), anti-RH20 (-VS), anti-RH31 (-hrB), anti-RH37 (-Evans), ani-RH42, anti-RH49 (-STEM), anti-RH51 (-MAR), anti-RH55 (-LOCR), anti-RH58 (-CELO). Positive direct antiglobulin test in the newborn but no clinically significant HDFN has been reported for anti-RH1 (-D) associated with RHD*10.05 (DAU5), RHD*12.02 (DOL2). Because so many specificities are associated with severe HDFN in the RH system, all RH antibodies should be considered as potentially able to cause HDFN, even if none has been reported yet.
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Affiliation(s)
- A Floch
- Université Paris Est Creteil, Inserm, IMRB, 8, rue du Général-Sarrail, 94010 Créteil, France; Établissement français du sang Île-de-France, IMRB, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France; Laboratory of Excellence GR-Ex, IMRB, 8, rue du Général-Sarrail, 94010 Créteil, France.
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5
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Floch A, Pirenne F, Barrault A, Chami B, Toly-Ndour C, Tournamille C, de Brevern AG. Insights into anti-D formation in carriers of RhD variants through studies of 3D intraprotein interactions. Transfusion 2021; 61:1286-1301. [PMID: 33586199 DOI: 10.1111/trf.16301] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 11/04/2020] [Accepted: 01/13/2021] [Indexed: 01/11/2023]
Abstract
BACKGROUND Many RhD variants associated with anti-D formation (partial D) in carriers exposed to the conventional D antigen carry mutations affecting extracellular loop residues. Surprisingly, some carry mutations affecting transmembrane or intracellular domains, positions not thought likely to have a major impact on D epitopes. STUDY DESIGN AND METHODS A wild-type Rh trimer (RhD1 RhAG2 ) was modeled by comparative modeling with the human RhCG structure. Taking trimer conformation, residue accessibility, and position relative to the lipid bilayer into account, we redefine the domains of the RhD protein. We generated models for RhD variants carrying one or two amino acid substitutions associated with anti-D formation in published articles (25 variants) or abstracts (12 variants) and for RHD*weak D type 38. We determined the extracellular substitutions and compared the interactions of the variants with those of the standard RhD. RESULTS The findings of the three-dimensional (3D) analysis were correlated with anti-D formation for 76% of RhD variants: 15 substitutions associated with anti-D formation concerned extracellular residues, and structural differences in intraprotein interactions relative to standard RhD were observed in the others. We discuss the mechanisms by which D epitopes may be modified in variants in which the extracellular residues are identical to those of standard RhD and provide arguments for the benignity of p.T379M (RHD*DAU0) and p.G278D (RHD*weak D type 38) in transfusion medicine. CONCLUSION The study of RhD intraprotein interactions and the precise redefinition of residue accessibility provide insight into the mechanisms through which RhD point mutations may lead to anti-D formation in carriers.
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Affiliation(s)
- Aline Floch
- Univ Paris Est Creteil, INSERM U955, Transfusion et Maladies du Globule Rouge, IMRB, Creteil, France.,Etablissement francais du sang Ile-de-France, Creteil, France.,Laboratoire d'Excellence GR-Ex, Paris, France
| | - France Pirenne
- Univ Paris Est Creteil, INSERM U955, Transfusion et Maladies du Globule Rouge, IMRB, Creteil, France.,Etablissement francais du sang Ile-de-France, Creteil, France.,Laboratoire d'Excellence GR-Ex, Paris, France
| | - Aurélie Barrault
- Univ Paris Est Creteil, INSERM U955, Transfusion et Maladies du Globule Rouge, IMRB, Creteil, France.,Etablissement francais du sang Ile-de-France, Creteil, France.,Laboratoire d'Excellence GR-Ex, Paris, France
| | - Btissam Chami
- Etablissement francais du sang Ile-de-France, Creteil, France
| | - Cécile Toly-Ndour
- Unité Fonctionnelle d'expertise en Immuno-Hémobiologie Périnatale, Centre National de Référence en Hémobiologie Périnatale (CNRHP), Service de Médecine Fœtale, Pôle Périnatalité, Hôpital Trousseau, GH HUEP, APHP, Paris, France
| | - Christophe Tournamille
- Univ Paris Est Creteil, INSERM U955, Transfusion et Maladies du Globule Rouge, IMRB, Creteil, France.,Etablissement francais du sang Ile-de-France, Creteil, France.,Laboratoire d'Excellence GR-Ex, Paris, France
| | - Alexandre G de Brevern
- Laboratoire d'Excellence GR-Ex, Paris, France.,Université de Paris, Biologie Intégrée du Globule Rouge UMR_S1134, Inserm, Université de la Réunion, Université des Antilles, Paris, France.,Institut National de la Transfusion Sanguine (INTS), Paris, France
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6
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Chhibber VG, Fischman J, Benedetto AT, Nikolis NM, Indrikovs AJ, Shariatmadar S. How do I manage O- red blood cell inventory. Transfusion 2020; 60:1356-1363. [PMID: 32500565 DOI: 10.1111/trf.15849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 04/02/2020] [Accepted: 04/02/2020] [Indexed: 11/28/2022]
Abstract
Currently there are no widely accepted guidelines regarding the appropriate use of O- red blood cells (RBCs). Although there has been a decline in overall RBC utilization since 2010, the use of O- RBCs has continued to proportionally increase over this time period resulting in frequent shortages. When faced with these shortages, we implemented some simple strategies that resulted in a significant decrease in annual O- RBC utilization from 10% to 7.5% despite an increase in total RBC utilization. These strategies included collaboration with the clinical staff, improving practices within the blood bank, and having our health system partner with our blood supplier. Herein, we detail our strategies for hospital transfusion services to improve O- RBC utilization. Most of these can be easily implemented and do not require additional resources.
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Affiliation(s)
| | - Jane Fischman
- North Shore University Hospital, Manhasset, New York, USA
| | | | | | | | - Sherry Shariatmadar
- Northwell Health, Manhasset, New York, USA.,North Shore University Hospital, Manhasset, New York, USA
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7
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Chou ST, Alsawas M, Fasano RM, Field JJ, Hendrickson JE, Howard J, Kameka M, Kwiatkowski JL, Pirenne F, Shi PA, Stowell SR, Thein SL, Westhoff CM, Wong TE, Akl EA. American Society of Hematology 2020 guidelines for sickle cell disease: transfusion support. Blood Adv 2020; 4:327-355. [PMID: 31985807 PMCID: PMC6988392 DOI: 10.1182/bloodadvances.2019001143] [Citation(s) in RCA: 248] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 11/20/2019] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Red cell transfusions remain a mainstay of therapy for patients with sickle cell disease (SCD), but pose significant clinical challenges. Guidance for specific indications and administration of transfusion, as well as screening, prevention, and management of alloimmunization, delayed hemolytic transfusion reactions (DHTRs), and iron overload may improve outcomes. OBJECTIVE Our objective was to develop evidence-based guidelines to support patients, clinicians, and other healthcare professionals in their decisions about transfusion support for SCD and the management of transfusion-related complications. METHODS The American Society of Hematology formed a multidisciplinary panel that was balanced to minimize bias from conflicts of interest and that included a patient representative. The panel prioritized clinical questions and outcomes. The Mayo Clinic Evidence-Based Practice Research Program supported the guideline development process. The Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach was used to form recommendations, which were subject to public comment. RESULTS The panel developed 10 recommendations focused on red cell antigen typing and matching, indications, and mode of administration (simple vs red cell exchange), as well as screening, prevention, and management of alloimmunization, DHTRs, and iron overload. CONCLUSIONS The majority of panel recommendations were conditional due to the paucity of direct, high-certainty evidence for outcomes of interest. Research priorities were identified, including prospective studies to understand the role of serologic vs genotypic red cell matching, the mechanism of HTRs resulting from specific alloantigens to inform therapy, the role and timing of regular transfusions during pregnancy for women, and the optimal treatment of transfusional iron overload in SCD.
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Affiliation(s)
- Stella T Chou
- Division of Hematology, Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA
| | - Mouaz Alsawas
- Mayo Clinic Evidence-Based Practice Research Program, Mayo Clinic, Rochester, MN
| | - Ross M Fasano
- Center for Transfusion and Cellular Therapy, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA
| | - Joshua J Field
- Department of Medicine, Medical College of Wisconsin, Milwaukee, WI
| | - Jeanne E Hendrickson
- Department of Laboratory Medicine and
- Department of Pediatrics, Yale University School of Medicine, New Haven, CT
| | - Jo Howard
- Department of Haematological Medicine, King's College London, London, United Kingdom
- Department of Haematology, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - Michelle Kameka
- Nicole Wertheim College of Nursing and Health Sciences, Florida International University, Miami, FL
| | - Janet L Kwiatkowski
- Division of Hematology, Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA
| | - France Pirenne
- INSERM-U955, Laboratory of Excellence, French Blood Establishment, Créteil, France
| | | | - Sean R Stowell
- Center for Transfusion and Cellular Therapy, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA
| | - Swee Lay Thein
- Sickle Cell Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Connie M Westhoff
- Laboratory of Immunohematology and Genomics, New York Blood Center, New York, NY
| | - Trisha E Wong
- Division of Hematology/Oncology, Department of Pediatrics, Oregon Health and Science University, Portland, OR; and
| | - Elie A Akl
- Department of Internal Medicine, American University of Beirut, Beirut, Lebanon
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8
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Dunbar NM, Yazer MH. O- product transfusion, inventory management, and utilization during shortage: the OPTIMUS study. Transfusion 2018; 58:1348-1355. [DOI: 10.1111/trf.14547] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 01/22/2018] [Accepted: 01/23/2018] [Indexed: 11/27/2022]
Affiliation(s)
- Nancy M. Dunbar
- Department of Pathology and Laboratory Medicine; Dartmouth-Hitchcock Medical Center; Lebanon New Hampshire
| | - Mark H. Yazer
- The Institute for Transfusion Medicine and the Department of Pathology; University of Pittsburgh; Pittsburgh Pennsylvania
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9
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Chou ST, Westhoff CM. Application of genomics for transfusion therapy in sickle cell anemia. Blood Cells Mol Dis 2017; 67:148-154. [DOI: 10.1016/j.bcmd.2017.08.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 08/07/2017] [Indexed: 12/23/2022]
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10
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Gehrie EA, Ness PM, Bloch EM, Kacker S, Tobian AAR. Medical and economic implications of strategies to prevent alloimmunization in sickle cell disease. Transfusion 2017; 57:2267-2276. [PMID: 28653325 PMCID: PMC5695925 DOI: 10.1111/trf.14212] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/13/2017] [Accepted: 05/15/2017] [Indexed: 01/03/2023]
Abstract
BACKGROUND The pathogenesis of alloimmunization is not well understood, and initiatives that aim to reduce the incidence of alloimmunization are generally expensive and either ineffective or unproven. In this review, we summarize the current medical literature regarding alloimmunization in the sickle cell disease (SCD) population, with a special focus on the financial implications of different approaches to prevent alloimmunization. STUDY DESIGN AND METHODS A review of EMBASE and MEDLINE data from January 2006 through January 2016 was conducted to identify articles relating to complications of SCD. The search was specifically designed to capture articles that evaluated the costs of various strategies to prevent alloimmunization and its sequelae. RESULTS Currently, there is no proven, inexpensive way to prevent alloimmunization among individuals with SCD. Serologic matching programs are not uniformly successful in preventing alloimmunization, particularly to Rh antigens, because of the high frequency of variant Rh alleles in the SCD population. A genotypic matching program could offer some cost savings compared to a serologic matching program, but the efficacy of gene matching for the prevention of alloimmunization is largely unproven, and large-scale implementation could be expensive. CONCLUSIONS Future reductions in the costs associated with genotype matching could make a large-scale program economically feasible. Novel techniques to identify patients at highest risk for alloimmunization could improve the cost effectiveness of antigen matching programs. A clinical trial comparing the efficacy of serologic matching to genotype matching would be informative.
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Affiliation(s)
- Eric A Gehrie
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland
| | - Paul M Ness
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland
| | - Evan M Bloch
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland
| | - Seema Kacker
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland
| | - Aaron A R Tobian
- Department of Pathology, Johns Hopkins University, Baltimore, Maryland
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11
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Srivastava K, Polin H, Sheldon SL, Wagner FF, Grabmer C, Gabriel C, Denomme GA, Flegel WA. The DAU cluster: a comparative analysis of 18 RHD alleles, some forming partial D antigens. Transfusion 2016; 56:2520-2531. [PMID: 27480171 PMCID: PMC5499517 DOI: 10.1111/trf.13739] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 05/31/2016] [Accepted: 06/01/2016] [Indexed: 01/10/2023]
Abstract
BACKGROUND The Rh system is the most complex and polymorphic blood group system in humans with more than 460 alleles known for the RHD gene. The DAU cluster of RHD alleles is characterized by the single-nucleotide change producing the p.Thr379Met amino acid substitution. It is called the DAU-0 allele and has been postulated to be the primordial allele, from which all other alleles of the DAU cluster have eventually evolved. STUDY DESIGN AND METHODS For two novel DAU alleles, the nucleotide sequences of all 10 exons as well as adjacent intronic regions, including the 5' and 3' untranslated regions (UTR), were determined for the RHD and RHCE genes. A phylogenetic tree for all DAU alleles was established using the neighbor-joining method with Pan troglodytes as root. Standard hemagglutination and flow cytometry tests were performed. RESULTS We characterized two DAU alleles, DAU-11 and DAU-5.1, closely related to DAU-3 and DAU-5, respectively. A phylogenetic analysis of the 18 known DAU alleles indicated point mutations and interallelic recombination contributing to diversification of the DAU cluster. CONCLUSIONS The DAU alleles encode a group of RhD protein variants, some forming partial D antigens known to permit anti-D in carriers; all are expected to cause anti-D alloimmunization in recipients of red blood cell transfusions. The DAU alleles evolved through genomic point mutations and recombination. These results suggest that the cluster of DAU alleles represent a clade, which is concordant with our previous postulate that they derived from the primordial DAU-0 allele.
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Affiliation(s)
- Kshitij Srivastava
- Department of Transfusion Medicine, Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Helene Polin
- Red Cross Transfusion Service of Upper Austria, Linz, Austria
| | - Sherry Lynne Sheldon
- Department of Transfusion Medicine, Clinical Center, National Institutes of Health, Bethesda, Maryland
| | | | - Christoph Grabmer
- Department of Blood Group Serology and Transfusion Medicine, SALK-Paracelsus Medical University, Salzburg, Austria
| | - Christian Gabriel
- Red Cross Transfusion Service of Upper Austria, Linz, Austria
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Graz, Graz, Austria
| | | | - Willy Albert Flegel
- Department of Transfusion Medicine, Clinical Center, National Institutes of Health, Bethesda, Maryland.
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12
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Sachan D, Kumar AS. Delayed hemolytic transfusion reaction due to anti-D in Rh (D) positive patient. Asian J Transfus Sci 2016; 10:165-6. [PMID: 27605860 PMCID: PMC4993092 DOI: 10.4103/0973-6247.187935] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Affiliation(s)
- Deepti Sachan
- Department of Transfusion Medicine, Global Health City, Chennai, Tamil Nadu, India
| | - Aswin S Kumar
- Department of Transfusion Medicine, Global Health City, Chennai, Tamil Nadu, India
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Nickel RS, Horan JT, Fasano RM, Meyer E, Josephson CD, Winkler AM, Yee ME, Kean LS, Hendrickson JE. Immunophenotypic parameters and RBC alloimmunization in children with sickle cell disease on chronic transfusion. Am J Hematol 2015; 90:1135-41. [PMID: 26361243 DOI: 10.1002/ajh.24188] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Revised: 09/03/2015] [Accepted: 09/09/2015] [Indexed: 12/16/2022]
Abstract
Alloimmunization against red blood cell (RBC) antigens is a cause of morbidity and mortality in transfused patients with sickle cell disease (SCD). To investigate distinguishing characteristics of patients who develop RBC alloantibodies after transfusion (responders) versus those who do not (non-responders), a cross-sectional study of 90 children with SCD on chronic RBC transfusion therapy at a single institution was conducted in which 18 immune parameters (including T and B cell subsets) were tested via flow cytometry, and medical records were reviewed. RBC alloimmunization was present in 26/90 (29%) patients, with anti-E, K, and C among the most commonly detected alloantibodies despite prophylactic matching for these antigens at the study institution. In addition, RBC autoantibodies had been detected in 18/26 (69%) of alloimmunized versus 7/64 (11%) of non-alloimmunized patients (P < 0.0001). Alloimmunized patients were significantly older (median 13.0 years vs. 10.7 years, P = 0.010) and had more RBC unit exposures (median 148 U vs. 82 U, P = 0.020) than non-alloimmunized patients. Sex, age at initiation of chronic transfusion, splenectomy, stroke, and transfusion outside of the study institution were not significantly associated with RBC alloimmunization. Alloimmunized patients had a significantly increased percentage of CD4+ T memory cells compared to non-alloimmunized patients (57% vs. 49%, P = 0.0047), with no other significant differences in immune cell subsets or laboratory values detected between these groups. Additional research of RBC alloimmunization is needed to optimize transfusion therapy and to develop strategies to prevent alloimmunization.
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Affiliation(s)
- Robert S. Nickel
- Division of Hematology; Children's National Health System; Washington District of Columbia
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University; Atlanta Georgia
- Center for Transfusion and Cellular Therapy, Department of Pathology and Laboratory Medicine; Emory University; Atlanta Georgia
| | - John T. Horan
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University; Atlanta Georgia
| | - Ross M. Fasano
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University; Atlanta Georgia
- Center for Transfusion and Cellular Therapy, Department of Pathology and Laboratory Medicine; Emory University; Atlanta Georgia
| | - Erin Meyer
- Center for Transfusion and Cellular Therapy, Department of Pathology and Laboratory Medicine; Emory University; Atlanta Georgia
| | - Cassandra D. Josephson
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University; Atlanta Georgia
- Center for Transfusion and Cellular Therapy, Department of Pathology and Laboratory Medicine; Emory University; Atlanta Georgia
| | - Anne M. Winkler
- Center for Transfusion and Cellular Therapy, Department of Pathology and Laboratory Medicine; Emory University; Atlanta Georgia
| | - Marianne E.M. Yee
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University; Atlanta Georgia
| | - Leslie S. Kean
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University; Atlanta Georgia
- Ben Towne Center for Childhood Cancer Research, Seattle Children's Research Institute, Department of Pediatrics, University of Washington, and the Fred Hutchinson Cancer Research Center; Seattle Washington
| | - Jeanne E. Hendrickson
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University; Atlanta Georgia
- Department of Laboratory Medicine; Yale University; New Haven Connecticut
- Department of Pediatrics; Yale University; New Haven Connecticut
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14
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Nickel RS, Hendrickson JE, Fasano RM, Meyer EK, Winkler AM, Yee MM, Lane PA, Jones YA, Pashankar FD, New T, Josephson CD, Stowell SR. Impact of red blood cell alloimmunization on sickle cell disease mortality: a case series. Transfusion 2015; 56:107-14. [DOI: 10.1111/trf.13379] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 07/29/2015] [Accepted: 08/06/2015] [Indexed: 12/21/2022]
Affiliation(s)
- Robert Sheppard Nickel
- Center for Transfusion and Cellular Therapy, Department of Pathology; Emory University; Atlanta Georgia
- Division of Hematology; Children's National Health System; Washington DC
| | - Jeanne E. Hendrickson
- Center for Transfusion and Cellular Therapy, Department of Pathology; Emory University; Atlanta Georgia
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta; Emory University; Atlanta Georgia
- Department of Pediatrics; Yale University; New Haven Connecticut
- Department of Laboratory Medicine; Yale University; New Haven Connecticut
| | - Ross M. Fasano
- Center for Transfusion and Cellular Therapy, Department of Pathology; Emory University; Atlanta Georgia
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta; Emory University; Atlanta Georgia
| | - Erin K. Meyer
- Center for Transfusion and Cellular Therapy, Department of Pathology; Emory University; Atlanta Georgia
| | - Anne M. Winkler
- Center for Transfusion and Cellular Therapy, Department of Pathology; Emory University; Atlanta Georgia
| | - Marianne M. Yee
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta; Emory University; Atlanta Georgia
| | - Peter A. Lane
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta; Emory University; Atlanta Georgia
| | - Yuritzi A. Jones
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta; Emory University; Atlanta Georgia
| | | | - Tamara New
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta; Emory University; Atlanta Georgia
| | - Cassandra D. Josephson
- Center for Transfusion and Cellular Therapy, Department of Pathology; Emory University; Atlanta Georgia
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta; Emory University; Atlanta Georgia
| | - Sean R. Stowell
- Center for Transfusion and Cellular Therapy, Department of Pathology; Emory University; Atlanta Georgia
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15
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Hyperhemolysis in Patients With Hemoglobinopathies: A Single-Center Experience and Review of the Literature. Transfus Med Rev 2015. [DOI: 10.1016/j.tmrv.2015.06.001] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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