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Sugrue RP, Olsen J, Abi Antoun ME, Skalla LA, Cate J, James AH, Stonehill A, Watkins V, Telen MJ, Federspiel JJ. Standard Compared With Extended Red Blood Cell Antigen Matching for Prevention of Subsequent Hemolytic Disease of the Fetus and Newborn: A Systematic Review. Obstet Gynecol 2024:00006250-990000000-01126. [PMID: 39116441 DOI: 10.1097/aog.0000000000005701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Accepted: 07/03/2024] [Indexed: 08/10/2024]
Abstract
OBJECTIVE To systematically review and meta-analyze alloimmunization among recipients of red blood cells (RBCs) matched for ABO blood type and Rhesus D (ABO+D) antigen compared with those also matched for c, E, and Kell (cEK). DATA SOURCES Four online databases (Medline, Scopus, EMBASE, ClinicalTrials.gov) were searched from March 28, 2023, to April 1, 2024. The search protocol was peer reviewed and published on PROSPERO (CRD42023411620). METHODS OF STUDY SELECTION Studies reporting alloimmunization as the primary outcome among recipients of RBCs matched for ABO+D or additional cEK matching were included. Patients transfused with unmatched RBCs or a mixture of matching regimens were excluded. Risk of bias was assessed with Cochrane Tool to Assess Risk of Bias in Cohort Studies and Tool for Risk of Bias. Random-effects meta-analysis was used to combine effect estimates. TABULATION, INTEGRATION, AND RESULTS Ten studies met criteria. Risk of bias was low. Overall, 91,221 patients were transfused, of whom 40,220 (44.1%) received additional cEK-matched RBCs. The overall rate of alloimmunization was 6.2% (95% CI, 2.5-14.9%) for ABO+D-only matching and 1.9% (95% CI, 0.7-5.1%) when cEK was added. Time of follow-up antibody testing ranged from 6 to 18 months after transfusion. Additional cEK match was associated with significantly less alloimmunization compared with standard ABO+D match (odds ratio [OR] 0.37, 95% CI, 0.20-0.69). This association remained when chronically transfused patients were excluded (OR 0.65, 95% CI, 0.54-0.79) and for alloimmunization to c, E, or K antigens only (OR 0.29, 95% CI, 0.18-0.47). CONCLUSION Additional cEK RBC matching protocols were associated with lower odds of recipient alloimmunization. Given severe sequelae of alloimmunization in pregnancy, routine cEK matching for transfusion in people with pregnancy potential younger than age 50 years in the United States merits consideration. SYSTEMATIC REVIEW REGISTRATION PROSPERO, CRD42023411620.
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Affiliation(s)
- Ronan P Sugrue
- Department of Obstetrics and Gynecology, the Duke University Medical Center Library, the Department of Medicine, the Department of Pathology, and the Department of Population Health Sciences, Duke University School of Medicine, Durham, North Carolina; and the Department of Obstetrics and Gynecology, Tufts University School of Medicine, Boston, Massachusetts
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Leeson C, Jones M, Odendaal J, Choksey F, Quenby S. Routine use of cell salvage during cesarean section: A practice evaluation. Acta Obstet Gynecol Scand 2024; 103:498-504. [PMID: 38117692 PMCID: PMC10867391 DOI: 10.1111/aogs.14753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 11/04/2023] [Accepted: 12/01/2023] [Indexed: 12/22/2023]
Abstract
INTRODUCTION Intraoperative cell salvage is a well-documented alternative to donor blood transfusion given the scarcity of donor blood pools and the incumbent risk of allogenic blood transfusion. Its use in obstetrics has been limited by concern over fetal alloimmunization due to the risk of fetomaternal hemorrhage. However, there are a paucity of studies reporting on outcome. The aim of this study was to report on a four-year experience of routine use of intraoperative cell salvage and the impact on subsequent pregnancy outcomes. MATERIAL AND METHODS This was a tertiary center retrospective service evaluation cohort study and included all women undergoing cesarean section between December 2014 and November 2018 in a tertiary obstetric unit, identifying women who had reinfusion of intraoperative cell salvage. Data regarding index pregnancy as well as subsequent pregnancies at the hospital were extracted from hospital electronic records. Subsequent pregnancy outcome and maternal antibody status in that pregnancy were collected up until November 2022. RESULTS During the study period, 6656 cesarean sections were performed, with 436 (6.6%) receiving reinfusion of salvaged blood. The mean volume of reinfused blood was 396 mL. A total of 49 (0.7%) women received donor blood transfusion. Of those who received reinfusion of salvaged blood, 79 (18.1%) women had subsequent pregnancies over the eight-year follow-up period. There was one case (0.23%) of fetal cell alloimmunization demonstrated by the presence of anti-D antibodies on the subsequent pregnancy booking bloods. CONCLUSIONS Routine intraoperative cell salvage may be used to reduce the need for blood transfusion during cesarean section. The risk of fetal cell alloimmunization in a future pregnancy following reinfusion of intraoperative cell salvage is one in 436. Given an apparent small risk of fetal cell alloimmunization, further work is required to establish the safety profile of intraoperative cell salvage in pregnancy.
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Affiliation(s)
- Charlotte Leeson
- Division of Biomedical Sciences, Clinical Sciences Research Laboratories, Warwick Medical SchoolUniversity of WarwickCoventryUK
| | - Molly Jones
- Division of Biomedical Sciences, Clinical Sciences Research Laboratories, Warwick Medical SchoolUniversity of WarwickCoventryUK
| | - Joshua Odendaal
- Division of Biomedical Sciences, Clinical Sciences Research Laboratories, Warwick Medical SchoolUniversity of WarwickCoventryUK
- University Hospitals Coventry & WarwickshireCoventryUK
| | | | - Siobhan Quenby
- Division of Biomedical Sciences, Clinical Sciences Research Laboratories, Warwick Medical SchoolUniversity of WarwickCoventryUK
- University Hospitals Coventry & WarwickshireCoventryUK
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Yazer MH, Emery SP, Triulzi DJ, Spinella P, Leeper C. Another piece of the hemolytic disease of the fetus and newborn puzzle after RhD-positive transfusion in trauma resuscitation: the proportion of pregnant women who produce high titer anti-D. Trauma Surg Acute Care Open 2024; 9:e001252. [PMID: 38196928 PMCID: PMC10773421 DOI: 10.1136/tsaco-2023-001252] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 10/06/2023] [Indexed: 01/11/2024] Open
Abstract
Background After the transfusion of RhD-positive red blood cell (RBC)-containing products to an RhD-negative woman of childbearing potential (WCP) during trauma resuscitation, there are several events that must occur for that WCP to have a future pregnancy affected by hemolytic disease of the fetus and newborn (HDFN). This study identified and quantitated the frequency of a novel event in the sequence from RhD-positive transfusion during trauma resuscitation to an HDFN outcome, that is, the development of a high titer anti-D among women who were D-alloimmunized. Methods The transfusion service records at one maternity hospital were searched to locate all anti-D titers that had been performed on pregnant women between 1996 and 2022. The highest titer score during each pregnancy was recorded for this study. The critical titer threshold at this institution was ≥16. Passive anti-D caused by Rh immunoglobulin were excluded from analysis. Results There were 97 pregnancies in 85 patients who had an immune-stimulated anti-D; in 60 of 97 (62%) pregnancies, the highest titer score was ≥16. There were 12 patients who had titers performed in two pregnancies during the study period; the correlation between the maximum titer in each pregnancy was not statistically significant (Spearman rank correlation r=0.42, p=0.17). Conclusion In this single center study, 62% of D-alloimmunized pregnant women had a high titer antibody. When considering all of the events that must occur for HDFN to happen, the rate of perinatal mortality was calculated to be 0.04% and the rate of perinatal death or serious adverse event from HDFN was 0.24%.
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Affiliation(s)
- Mark H Yazer
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Stephen P Emery
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Darrell J Triulzi
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Philip Spinella
- Departments of Surgery and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Delabaere A, Guerard M, Cahierc R, Bouvier D, Pereira B, Gallot D. Accuracy of a portable hemoglobinometer (HemoCue) to measure fetal hemoglobin values during in utero transfusion. J Matern Fetal Neonatal Med 2023; 36:2266092. [PMID: 37840223 DOI: 10.1080/14767058.2023.2266092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 09/27/2023] [Indexed: 10/17/2023]
Abstract
OBJECTIVES The current recommended treatment for severe fetal anemia is in utero transfusion (IUT). During this procedure, the evaluation of the necessary volume of transfused blood is based on regular measurement of fetal hemoglobin (FHb) concentration. The gold standard measurement is performed in the biology laboratory. A rapid medical test such as HemoCue® is an effective way to predict FHb concentration. It would reduce the time to obtain results and therefore the procedure duration. To evaluate the accuracy of HemoCue® to measure FHb during IUT, we compared Hb levels obtained by HemoCue® and by our biology laboratory. METHODS This retrospective study involved all pregnant women who had undergone an IUT in the university hospital of Clermont-Ferrand, France, during the period from 1 January 2010 to 6 June 2021. The FHb level was evaluated by two methods, a rapid medical test, HemoCue®, and a standard method in the biology laboratory. RESULTS We obtained 244 pairs of results from HemoCue® and our laboratory, of 90 IUT procedures. The correlation between the two sets of results was excellent, with Lin's concordance correlation coefficient of 0.979. However, we established that the measurements were not significantly modified by IUT number, puncture time, cause of fetal anemia, estimated fetal weight, gestational age, and delay between two IUT or middle cerebral artery peak systolic velocity values. CONCLUSION Our results allowed to extend the relevance of FHb measurements by HemoCue® during IUT.
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Affiliation(s)
- Amélie Delabaere
- Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, Institut Pascal, Clermont-Ferrand, France
- Department of Obstetrics and Gynecology, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Maeva Guerard
- Department of Obstetrics and Gynecology, CHU Clermont-Ferrand, Clermont-Ferrand, France
- Equipe "Translational approach to epithelial injury and repair", Université Clermont Auvergne, CNRS, Inserm, GReD, Clermont-Ferrand, France
| | - Romain Cahierc
- Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, Institut Pascal, Clermont-Ferrand, France
- Department of Obstetrics and Gynecology, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Damien Bouvier
- Equipe "Translational approach to epithelial injury and repair", Université Clermont Auvergne, CNRS, Inserm, GReD, Clermont-Ferrand, France
- Biochemistry and Molecular Biology Department, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Bruno Pereira
- University Hospital of Clermont-Ferrand, Biostatistics Unit, the Clinical Research and Innovation Direction, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Denis Gallot
- Department of Obstetrics and Gynecology, CHU Clermont-Ferrand, Clermont-Ferrand, France
- Equipe "Translational approach to epithelial injury and repair", Université Clermont Auvergne, CNRS, Inserm, GReD, Clermont-Ferrand, France
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Crowe EP, Hasan R, Saifee NH, Bakhtary S, Miller JL, Gonzalez-Velez JM, Goel R. How do we perform intrauterine transfusions? Transfusion 2023; 63:2214-2224. [PMID: 37888489 DOI: 10.1111/trf.17570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 10/28/2023]
Abstract
BACKGROUND Intrauterine transfusion (IUT) is an invasive but critical and potentially life-saving intervention for severe fetal anemia with demonstrated improvement in outcomes. The fetus is vulnerable to hemodynamic alterations and transfusion-related adverse events; therefore, special consideration must be given to blood component selection and modification. There is widespread IUT practice variability, and existing guidance primarily relies on expert opinion and single center experiences. STUDY DESIGN AND METHODS Experts in Maternal Fetal Medicine, Pediatric Hematology, and Transfusion Medicine from centers across the United States, collectively performing about 120 IUT annually, offer a multidisciplinary perspective on the performance of IUT and preparation of blood components. This perspective includes strategies for identifying an at-risk fetus, communicating between disciplines, determining the necessary blood volume, selecting and processing blood components, documenting the procedure in medical record, and managing the neonate. RESULTS Identifying an at-risk fetus relies on review of the clinical history, non-invasive monitoring, and laboratory evaluation. We recommend the use of relatively fresh, group O, cytomegalovirus-safe, freshly irradiated, red blood cells (RBC) that are Hemoglobin S negative and antigen-negative for any maternal antibody, if indicated. These RBC units should be concentrated to remove additives and increase the hematocrit thus minimizing fluctuations in fetal volume status. The units intended for IUT should be labeled clearly and the documentation of transfusion differentiated in the maternal medical record. DISCUSSION An awareness of the technical, logistical, and regulatory considerations for IUT performance will facilitate improved communication and patient care, especially when rare units of RBC are required.
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Affiliation(s)
- Elizabeth P Crowe
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Rida Hasan
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington, USA
- Department of Laboratory Medicine, Seattle Children's Hospital, Seattle, Washington, USA
| | - Nabiha H Saifee
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington, USA
- Department of Laboratory Medicine, Seattle Children's Hospital, Seattle, Washington, USA
| | - Sara Bakhtary
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California, USA
| | - Jena L Miller
- The Johns Hopkins Center for Fetal Therapy, Department of Gynecology and Obstetrics, Johns Hopkins University, Baltimore, Maryland, USA
| | - Juan M Gonzalez-Velez
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California San Francisco, San Francisco, California, USA
| | - Ruchika Goel
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Corporate Medical Affairs, Vitalant, Scottsdale, Arizona, USA
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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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Bahkali N, Alhawsawi E, Althakafi K, Arab K, Rayes A, Badawi MA. Clinical response to therapeutic plasmapheresis and intravenous immunoglobulin in pregnancies complicated by alloimmunization despite persistently high titers: Report of two cases. Clin Case Rep 2023; 11:e8209. [PMID: 38028069 PMCID: PMC10654475 DOI: 10.1002/ccr3.8209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/23/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
Key Clinical Message Plasmapheresis and IVIG use in cases of alloimmunization during pregnancy are effective strategies when severe early fetal anemia is anticipated. Despite no change in antibody titer levels before and after plasmapheresis, clinical response was observed in both fetuses, and both had an excellent obstetrical outcome. Abstract Hemolytic disease of the fetus and newborn is a potentially lethal complication of alloimmunization, and intrauterine fetal blood transfusion (IUBT) is the standard treatment and care plan for severe fetal anemia. However, IUBT is technically unattainable before 20 weeks of gestation. Plasmapheresis and intravenous immunoglobulin (IVIG) are the two treatment modalities described in the literature that postpone the need for transfusion until after 20 weeks. Here, we present two cases of alloimmunization (one with anti-Kell and the other with anti-D). Both had poor outcomes in previous pregnancies because of the early development of severe fetal anemia and hydrops before 24 weeks of gestation. Both patients underwent three sessions of plasmapheresis before 18 weeks, followed by weekly IVIG infusion, which continued until 23-27 weeks of pregnancy. Antibody titers were measured before and after plasmapheresis. In addition, weekly MCA Doppler was performed to monitor the development of severe fetal anemia requiring blood transfusion, which was diagnosed when the peak systolic velocity (PSV) was 1.5 multiples of the median or more. The first patient underwent IUBT at 24 weeks and the second at 28 weeks, as indicated by the MCA Doppler. Both patients were delivered by cesarean section, the first at 34 weeks and the second at 36 weeks, for different obstetrical indications. Both pregnancies resulted in a live birth. We conclude that the use of plasmapheresis and IVIG in alloimmunization during pregnancy is an effective treatment strategy when severe early fetal anemia is anticipated before 20 weeks of gestation. Despite no change in antibody titer levels before and after plasmapheresis, a clinical response was observed in both fetuses, and both had excellent obstetrical outcomes.
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Affiliation(s)
- Nedaa Bahkali
- Department of Obstetrics and Gynecology, Faculty of MedicineKing Abdulaziz UniversityJeddahKingdom of Saudi Arabia
- Department of Obstetrics and GynecologyKing Abdulaziz University HospitalJeddahKingdom of Saudi Arabia
| | - Ebtihal Alhawsawi
- Department of Obstetrics and GynecologyKing Abdulaziz University HospitalJeddahKingdom of Saudi Arabia
| | - Kholoud Althakafi
- Department of Obstetrics and GynecologyKing Abdulaziz Medical CityJeddahKingdom of Saudi Arabia
| | - Kholoud Arab
- Department of Obstetrics and Gynecology, Faculty of MedicineKing Abdulaziz UniversityJeddahKingdom of Saudi Arabia
- Department of Obstetrics and GynecologyKing Abdulaziz University HospitalJeddahKingdom of Saudi Arabia
| | - Almotasimbellah Rayes
- Department of Obstetrics and GynecologyKing Abdulaziz University HospitalJeddahKingdom of Saudi Arabia
| | - Maha A. Badawi
- Department of Hematology, Faculty of MedicineKing Abdulaziz UniversityJeddahKingdom of Saudi Arabia
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Quraishy N, Sapatnekar S. Immunohematological testing and transfusion management of the prenatal patient. Adv Clin Chem 2023; 117:163-208. [PMID: 37973319 DOI: 10.1016/bs.acc.2023.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
The primary indication for immunohematological testing in the prenatal patient is to detect and identify maternal red cell antibodies. If there are antibodies that are expected to hemolyze the fetus' red cells, their strength of reactivity must be tested, and the fetus' antigen status determined. After delivery, testing is performed to assess the extent of fetomaternal hemorrhage, as a large hemorrhage may require other therapeutic interventions. Another major role for immunohematological testing is to select blood components appropriately when intrauterine transfusion is required for fetal anemia resulting from maternal alloimmunization or some other cause. Supplementation with molecular methods has transformed the practice of immunohematology, particularly as it applies to typing for the D antigen of the Rh blood group system. Notwithstanding the advances in testing, close coordination and communication between the transfusion service and the obstetrics service are the foundation for ensuring the finest care for prenatal patients, and for new mothers and their infants. This review describes testing and transfusion practices for prenatal patients, using case presentations to highlight the management of selected immunohematological findings. It also includes a discussion of key patient management topics that are currently unresolved.
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Affiliation(s)
- NurJehan Quraishy
- Section of Transfusion Medicine, Department of Laboratory Medicine, Robert J. Tomsich Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Suneeti Sapatnekar
- Section of Transfusion Medicine, Department of Laboratory Medicine, Robert J. Tomsich Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, United States.
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Uhlich R, Hu P, Yazer M, Jansen JO, Patrician P, Marques MB, Reynolds L, Fifolt M, Stephens SW, Gelbard RB, Kerby J, Holcomb JB. The females have spoken: A patient-centered national survey on the administration of emergent transfusions with the potential for future fetal harm. J Trauma Acute Care Surg 2023; 94:791-797. [PMID: 36808128 DOI: 10.1097/ta.0000000000003914] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
BACKGROUND Traumatic hemorrhage is the leading cause of preventable death. Early in the resuscitation, only RhD-positive red blood cells are likely to be available, which poses a small risk of causing harm to a future fetus if transfused to an RhD-negative females of childbearing age (CBA), that is, 15 to 49 years old. We sought to characterize how the population, in particular females of CBA, felt about emergency blood administration vis-a-vis potential future fetal harm. METHODS A national survey was performed using Facebook advertisements in three waves from January 2021 to January 2022. The advertisements directed users to the survey site with seven demographic questions and four questions on accepting transfusion with differing probabilities for future fetal harm (none/any/1:100/1:10,000). Acceptance of transfusion questions were scored on 3-point Likert scale (likely/neutral/unlikely). Only completed responses by females were analyzed. RESULTS Advertisements were viewed 16,600,430 times by 2,169,805 people with 15,396 advertisement clicks and 2,873 surveys initiated. Most (2,256 of 2,873 [79%]) were fully completed. Majority (2,049 of 2,256 [90%]) of respondents were female. Eighty percent of females (1,645 of 2,049) were of CBA. Most females responded "likely" or "neutral" when asked whether they would accept a lifesaving transfusion if the following risk of fetal harm were present: no risk (99%), any risk (83%), 1:100 risk (85%), and 1:10,000 risk (92%). There were no differences between females of CBA versus non-CBA with respect to the likelihood of accepting lifesaving transfusion with any potential for future fetal harm ( p = 0.24). CONCLUSION This national survey suggests that most females would accept lifesaving transfusion even with the potential low risk of future fetal harm. LEVEL OF EVIDENCE Prognostic and Epidemiological; Level IV.
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Affiliation(s)
- Rindi Uhlich
- From the Center for Injury Science and Division of Trauma and Acute Care Surgery, Department of Surgery (R.U., P.H., J.O.J., S.W.S., R.B.G., J.K., J.B.H.), University of Alabama at Birmingham, Birmingham, Alabama; Department of Pathology (M.Y.), University of Pittsburgh, Pittsburgh, Pennsylvania; and School of Nursing (P.P.), Department of Pathology (M.B.M.), and School of Public Health (L.R., M.F.), University of Alabama at Birmingham, Birmingham, Alabama
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Ning S, Morin PA, Elahie A, Li N, Liu Y, Barty R, Clarke G, Zeller M, Heddle NM. KEL1 negative red cell transfusions for females of current or future child-bearing potential: A clinical impact and feasibility study. Transfusion 2023; 63:59-68. [PMID: 36519693 DOI: 10.1111/trf.17201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 09/21/2022] [Accepted: 10/11/2022] [Indexed: 12/23/2022]
Abstract
BACKGROUND Anti-K is an alloantibody stimulated in response to the KEL1 antigen and may cause hemolytic disease of the fetus and newborn (HDFN). Provision of KEL1 negative blood to females of child-bearing potential was not our practice. We assessed the impact of our policy and assessed feasibility of a KEL1 negative transfusion policy. STUDY DESIGN AND METHODS This is a cohort study spanning Jan 1, 2007-Jun 30, 2017 in Hamilton, Canada. Data were obtained via our institution's transfusion database. Chart reviews of females age ≤45 with anti-K were performed; data on RBC KEL1 phenotype were obtained from the blood supplier when needed to ascertain the cause of alloimmunization. Descriptive analysis of hospital KEL1 negative inventory demand and supply was performed. RESULTS From Jan 2007-Jun 2017, 8.6% of all RBC units transfused were provided to females age ≤45. There were 111 females with detectable anti-K. Median age at time of antibody detection was 34 years (interquartile range 27-40) and 28 of 111 (25.2%) patients may have been alloimmunized by transfusion. Of 49 pregnancies, seven had complications due to anti-K. We estimated that our existing RBC inventory (with 16% units known to be KEL1 negative in 2017) is sufficient to meet demand and support a KEL1 negative transfusion policy for females age ≤45. CONCLUSION Transfusion was responsible for alloimmunization in 25% of females with anti-K over 10 years. Analysis of supply and demand can be used to inform feasibility of a KEL1 negative transfusion policy.
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Affiliation(s)
- Shuoyan Ning
- Department of Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
- Department of Medicine, McMaster Centre for Transfusion Research, McMaster University, Hamilton, Ontario, Canada
- Canadian Blood Services, Hamilton, Ontario, Canada
- Department of Pathology, Hamilton Regional Laboratory Medicine Program, McMaster University, Hamilton, Ontario, Canada
| | - Pierre-Aurele Morin
- Department of Medicine, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, Québec, Canada
| | - Allahna Elahie
- Department of Pathology, Hamilton Regional Laboratory Medicine Program, McMaster University, Hamilton, Ontario, Canada
| | - Na Li
- Department of Medicine, McMaster Centre for Transfusion Research, McMaster University, Hamilton, Ontario, Canada
- Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Yang Liu
- Department of Medicine, McMaster Centre for Transfusion Research, McMaster University, Hamilton, Ontario, Canada
| | - Rebecca Barty
- Department of Medicine, McMaster Centre for Transfusion Research, McMaster University, Hamilton, Ontario, Canada
| | - Gwen Clarke
- Canadian Blood Services, Centre for Innovation, Ottawa, Ontario, Canada
| | - Michelle Zeller
- Department of Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
- Department of Medicine, McMaster Centre for Transfusion Research, McMaster University, Hamilton, Ontario, Canada
- Canadian Blood Services, Hamilton, Ontario, Canada
- Department of Pathology, Hamilton Regional Laboratory Medicine Program, McMaster University, Hamilton, Ontario, Canada
| | - Nancy M Heddle
- Department of Medicine, Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
- Department of Medicine, McMaster Centre for Transfusion Research, McMaster University, Hamilton, Ontario, Canada
- Canadian Blood Services, Centre for Innovation, Ottawa, Ontario, Canada
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11
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Current State and Future Direction of Postpartum Hemorrhage Risk Assessment. Obstet Gynecol 2021; 138:924-930. [PMID: 34736271 DOI: 10.1097/aog.0000000000004579] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 08/19/2021] [Indexed: 12/23/2022]
Abstract
In the United States, postpartum hemorrhage is a leading preventable cause of maternal mortality and morbidity. To reduce morbidity from postpartum hemorrhage, risk assessment is an important starting point for informing decisions about risk management and hemorrhage prevention. Current perinatal care guidelines from the Joint Commission recommend that all patients undergo postpartum hemorrhage risk assessment at admission and after delivery. Three maternal health organizations-the California Maternal Quality Care Collaborative, AWHONN, and the American College of Obstetricians and Gynecologists' Safe Motherhood Initiative-have developed postpartum hemorrhage risk-assessment tools for clinical use. Based on the presence of risk factors, each organization categorizes patients as low-, medium-, or high-risk, and ties pretransfusion testing recommendations to these categorizations. However, the accuracy of these tools' risk categorizations has come under increasing scrutiny. Given their low positive predictive value, the value proposition of pretransfusion testing in all patients classified as medium- and high-risk is low. Further, 40% of all postpartum hemorrhage events occur in low-risk patients, emphasizing the need for early vigilance and treatment regardless of categorization. We recommend that maternal health organizations consider alternatives to category-based risk tools for evaluating postpartum hemorrhage risk before delivery.
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12
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Delaney M. A window of opportunity: systems thinking for prevention of haemolytic disease of the fetus and newborn with transfusion policy. Br J Haematol 2021; 195:487-489. [PMID: 34402062 DOI: 10.1111/bjh.17774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 07/30/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Meghan Delaney
- Children's National Hospital &, The George Washington University School of Health Sciences, Washington, DC, USA
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13
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Uhlich R, Hu P, Yazer M, Jansen JO, Patrician P, Reynolds L, Marques MB, Stephens SW, Gelbard RB, Kerby J, Holcomb JB. Perception of risk in massive transfusion as it relates to fetal outcomes: A survey of surgeons and nurses at one American trauma center. Transfusion 2021; 61 Suppl 1:S159-S166. [PMID: 34269430 DOI: 10.1111/trf.16492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/11/2021] [Accepted: 01/14/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND The use of blood products early in the resuscitation of bleeding trauma patients is widely accepted, but made difficult by limited supplies of D- red blood cell (RBC)-containing products. Use of D+ RBC-containing products would alleviate this issue, but could lead to alloimmunization. Risk associated with transfusing D+ RBC in emergency bleeding situations is being reconsidered. The level of concern surrounding emergency transfusion as it relates to future fetal harm was surveyed among surgeons and nurses. METHODS Faculty and staff in the Departments of Surgery and Nursing were surveyed on the risks of receiving an emergency RBC transfusion and the subsequent potential for fetal harm. Answers were grouped as likely to accept (likely/very likely) or refuse transfusion (unlikely/very unlikely). Participants were compared by sex, and women by child-bearing age, ([15-50 years] vs. [>50 years]). RESULTS Ninety surveys were initiated with 76 fully completed. Male (n = 39) and female (n = 37) respondents were comparable. Most female respondents (30/37, 81%) were of childbearing age. Overall, both males (38/39, 95%) and females (33/37, 89%; p = .19) were likely to accept a transfusion in an emergency. There was no difference in transfusion acceptance if the risk of fetal harm was presented as 1% (p = .73) or 0.1% (p = .51). Most females (34/37, 92%) were not opposed to transfusion even if there was an unspecified risk of future fetal harm. CONCLUSION Most of the surgeons and nurses who responded would accept a transfusion in an emergency situation even if it might lead to harming a future fetus.
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Affiliation(s)
- Rindi Uhlich
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Parker Hu
- Center for Injury Science and Division of Acute Care Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Mark Yazer
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jan O Jansen
- Center for Injury Science and Division of Acute Care Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Patricia Patrician
- School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Lindy Reynolds
- School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Marisa B Marques
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Shannon W Stephens
- Center for Injury Science and Division of Acute Care Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Rondi B Gelbard
- Center for Injury Science and Division of Acute Care Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Jeffrey Kerby
- Center for Injury Science and Division of Acute Care Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - John B Holcomb
- Center for Injury Science and Division of Acute Care Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
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14
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Oud JA, Evers D, de Haas M, de Vooght KMK, van de Kerkhof D, Som N, Péquériaux NCV, Hudig F, Albersen A, van der Bom JG, Zwaginga JJ. The effect of extended c, E and K matching in females under 45 years of age on the incidence of transfusion-induced red blood cell alloimmunisation. Br J Haematol 2021; 195:604-611. [PMID: 34346067 PMCID: PMC9290146 DOI: 10.1111/bjh.17697] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 06/16/2021] [Indexed: 11/29/2022]
Abstract
Maternal alloantibodies directed against fetal red blood cell (RBC) antigens may cause potentially life‐threatening haemolytic disease of the fetus and newborn (HDFN). Dutch transfusion guidelines therefore prescribe preventive cEK matching for all (pre‐)fertile females. To quantify the impact of cEK matching, we compared overall and antigen‐specific cumulative RBC alloimmunisation incidences in females and males aged <45 years. Among a multicentre cohort comprised of patients who received their first and subsequent RBC unit between 2005 and 2019, first‐formed RBC alloantibodies were detected in 47 of 2998 (1·6%) females and 49 of 2507 (2·0%) males. Comparing females and males, overall alloimmunisation incidences were comparable (3·1% [95% confidence interval (CI) 2·1–4·4] versus 3·5% (95% CI 2·4–4·9, P = 0·853) after 10 units transfused). However, cEK alloimmunisation incidences were significantly lower among females (0·6% (95% CI 0·3–1.5) versus 2·2% (95% CI 1·5–3·4, P = 0·001) after 10 units transfused). Yet, despite cEK‐matching guidelines being in effect, 6·5%, 3·6% and 0·2% of all RBC units remained mismatched for c, E or K antigens respectively. Most of these mismatches were almost always due to emergency settings. Even though cEK alloimmunisation was not prevented completely, implementation of cEK matching resulted in an alloantigen‐exposure risk reduction of up to 98%.
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Affiliation(s)
- Josine A Oud
- Center for Clinical Transfusion Research, Sanquin Research, Leiden, the Netherlands.,Department of Haematology, Leiden University Medical Center, Leiden, the Netherlands.,Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Dorothea Evers
- Department of Haematology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Masja de Haas
- Center for Clinical Transfusion Research, Sanquin Research, Leiden, the Netherlands.,Department of Haematology, Leiden University Medical Center, Leiden, the Netherlands.,Department of Immunohaematology Diagnostics, Sanquin, Amsterdam, the Netherlands
| | - Karen M K de Vooght
- Central Diagnostic Laboratory, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Daan van de Kerkhof
- Department of Clinical Chemistry and Haematology, Catharina Hospital, Eindhoven, the Netherlands
| | - Nel Som
- Department of Clinical Chemistry, Amsterdam University Medical Center, Location VUmc, Amsterdam, the Netherlands
| | - Nathalie C V Péquériaux
- Department of Clinical Chemistry and Haematology, Jeroen Bosch Hospital, 's-Hertogenbosch, the Netherlands
| | | | - Arjan Albersen
- Department of Clinical Chemistry and Laboratory Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Johanna G van der Bom
- Center for Clinical Transfusion Research, Sanquin Research, Leiden, the Netherlands.,Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Jaap Jan Zwaginga
- Center for Clinical Transfusion Research, Sanquin Research, Leiden, the Netherlands.,Department of Haematology, Leiden University Medical Center, Leiden, the Netherlands
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15
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Luken JS, Folman CC, Lukens MV, Meekers JH, Ligthart PC, Schonewille H, Zwaginga JJ, Janssen MP, van der Schoot CE, van der Bom JG, de Haas M. Reduction of anti-K-mediated hemolytic disease of newborns after the introduction of a matched transfusion policy: A nation-wide policy change evaluation study in the Netherlands. Transfusion 2021; 61:713-721. [PMID: 33528025 PMCID: PMC7986406 DOI: 10.1111/trf.16276] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 11/27/2020] [Accepted: 12/02/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND During pregnancy, maternal red blood cell (RBC) antibodies can lead to life-threatening fetal hemolysis and anemia. Women can become immunized by a pregnancy or an unmatched transfusion. Our aim was to quantify the effect of a nationwide K-matched transfusion policy for women of childbearing age potential to prevent K-immunization in pregnancy. STUDY DESIGN AND METHODS In this nation-wide policy change evaluation study we determined the occurrence of RBC antibodies before and after introduction of a K-matched transfusion policy and evaluated the cause K alloimmunization 10 years after introduction of this measure. K-matched transfusion for females under 45 years of age is advised in the Dutch transfusion guideline since 2004. We used laboratory data from pregnancies with RBC antibodies identified in the period 1999-2018 obtained as part of a population-based screening program in the Netherlands. RESULTS Tests of 36 286 pregnancies produced a positive antibody screening result which concerned anti-K in 1550 pregnancies. The occurrence of anti-K decreased from 67.9 to 20.2 per 100 000 pregnancies. The relative risk reduction was 0.70 which largely exceeded the relative risk reduction of 0.27 for antibodies against RBC antigens for which no preventive matching is required. The number of pregnancies at risk for anti-K-mediated disease decreased from 9.7 to 4.2 per 100 000 pregnancies. CONCLUSIONS A K-matched transfusion policy is associated with a major decrease in a number of pregnant women with anti-K and pregnancies at risk for anti-K-mediated disease. A relatively simple measure is now shown to impact prevention of hemolytic disease in the fetus and newborn.
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Affiliation(s)
- Jessie S Luken
- Department of Immunohematology Diagnostics, Sanquin Diagnostic Services, Amsterdam, The Netherlands
| | - Claudia C Folman
- Department of Immunohematology Diagnostics, Sanquin Diagnostic Services, Amsterdam, The Netherlands
| | - Michaël V Lukens
- Department of Laboratory Medicine, University Medical Center Groningen (UMCG), Groningen, The Netherlands
| | - Johan H Meekers
- Department of Laboratory Medicine, University Medical Center Groningen (UMCG), Groningen, The Netherlands
| | - Peter C Ligthart
- Department of Immunohematology Diagnostics, Sanquin Diagnostic Services, Amsterdam, The Netherlands
| | - Henk Schonewille
- Department of Experimental Immunohematology, Sanquin Research, Amsterdam, The Netherlands.,Landsteiner Laboratory, University of Amsterdam, Amsterdam, The Netherlands
| | - Jaap Jan Zwaginga
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands.,Center for Clinical Transfusion Research, Sanquin Research, Leiden, The Netherlands
| | - Mart P Janssen
- Transfusion Technology Assessment Department, Donor Medicine Research, Sanquin Research, Amsterdam, The Netherlands
| | - C Ellen van der Schoot
- Department of Experimental Immunohematology, Sanquin Research, Amsterdam, The Netherlands.,Landsteiner Laboratory, University of Amsterdam, Amsterdam, The Netherlands
| | - Johanna G van der Bom
- Center for Clinical Transfusion Research, Sanquin Research, Leiden, The Netherlands.,Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Masja de Haas
- Department of Immunohematology Diagnostics, Sanquin Diagnostic Services, Amsterdam, The Netherlands.,Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands.,Center for Clinical Transfusion Research, Sanquin Research, Leiden, The Netherlands
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16
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Maracaja DLV, Qiao J, Salazar T, Barry J, LaForce K, Holder K, Olson JD. A Flow Cytometric Study of Reagent Cells to Resolve ABO Typing Discrepancy. Am J Clin Pathol 2021; 155:117-123. [PMID: 33049048 DOI: 10.1093/ajcp/aqaa117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES RBC alloantibodies can lead to ABO grouping discrepancies unrelated to A or B antigens or antibodies posing challenges in the blood bank testing. Routine blood bank testing and flow cytometry were used to immunophenotype reagent cells and elucidate the cause of ABO discrepancies in two patients. METHODS ABO discrepancy was identified in two patients after transfusion with several units of RBCs. For both patients, the pretransfusion type and screen demonstrated blood group A. Eight and 16 days later, both patients showed an apparent antibody to reagent group A cells, which prompted additional study with patients' samples and flow cytometric testing of commercial reagent cells. RESULTS In both patients' specimens, posttransfusion evaluation demonstrated an emerging antibody to the Kell antigen (K). The RBCs of both patients typed negative for K, and both were transfused with K-positive RBCs. Flow cytometric analysis of reagent RBCs demonstrated that five of seven lot numbers were positive for K. CONCLUSIONS Emerging anti-K antibody led to agglutination of the K-positive reagent A1 cells, highlighting the importance of considering RBC alloantibodies and the composition of reagent cells when interpreting cases with an apparent ABO grouping discrepancy.
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Affiliation(s)
- Danielle L V Maracaja
- Department of Pathology and Laboratory Medicine, University of Texas Health, San Antonio
| | - Jesse Qiao
- Department of Pathology, Texas Tech University, The Hospitals of Providence, El Paso
| | - Tomas Salazar
- Department of Pathology Services, University Health System, San Antonio, TX
| | - James Barry
- Department of Pathology Services, University Health System, San Antonio, TX
| | | | - Kenneth Holder
- Department of Pathology and Laboratory Medicine, University of Texas Health, San Antonio
| | - John D Olson
- Department of Pathology and Laboratory Medicine, University of Texas Health, San Antonio
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17
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Sapatnekar S, Lu W, Bakdash S, Quraishy N. Implementation of a Standardized Prenatal Testing Protocol in an Integrated, Multihospital Health System. Am J Clin Pathol 2021; 155:133-140. [PMID: 32880652 DOI: 10.1093/ajcp/aqaa120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVES When our institution grew into an integrated multihospital health system, we were faced with the need to standardize laboratory processes, including blood bank processes, across all locations. The purpose of this article is to describe our experience of standardizing the protocols for prenatal testing. METHODS For each hospital in the system, we established service tiers to define tests offered on site or referred to another location. For each prenatal test, we examined the related processes for ways to improve uniformity, efficiency, and reliability. Throughout this process of standardization, we collaborated with the clinical services to gain concurrence on the interpretation and reporting of results. RESULTS We created and implemented a uniform protocol for testing prenatal patients. The protocol standardized the definition of critical titer, instituted criteria to identify passively acquired anti-D, and established a process for the follow-up of women with inconsistent serologic results on Rh(D) typing. CONCLUSIONS Close collaboration with the clinical services ensured that our testing protocol is aligned with the needs of the integrated obstetrics service in the health system. The approach described in this article may provide a plan outline for pathologists facing similar challenges at other integrated health systems.
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Affiliation(s)
- Suneeti Sapatnekar
- Section of Transfusion Medicine, The Robert J. Tomsich Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
| | - Wen Lu
- Section of Transfusion Medicine, The Robert J. Tomsich Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
| | - Suzanne Bakdash
- Section of Transfusion Medicine, The Robert J. Tomsich Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
| | - NurJehan Quraishy
- Section of Transfusion Medicine, The Robert J. Tomsich Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
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18
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Abstract
Postpartum hemorrhage is a leading cause of severe maternal morbidity and mortality worldwide and the United States. While the rates of maternal mortality attributable to hemorrhage are declining, severe maternal morbidity continues to be a growing problem. Efforts in recent years to more appropriately identify patients at risk, define significant hemorrhage, quantify blood loss, and standardize approaches to care in pregnancy and postpartum have led to an increasing preventability of PPH. We aim to review the most current recommendation for the prevention and effective management of obstetric hemorrhage.
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Affiliation(s)
- Veronica Gonzalez-Brown
- Division Maternal Fetal Medicine, Department of Obstetrics and Gynecology, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Patrick Schneider
- Division Maternal Fetal Medicine, Department of Obstetrics and Gynecology, The Ohio State University College of Medicine, Columbus, OH, USA.
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19
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Gupta GK, Balbuena-Merle R, Hendrickson JE, Tormey CA. Immunohematologic aspects of alloimmunization and alloantibody detection: A focus on pregnancy and hemolytic disease of the fetus and newborn. Transfus Apher Sci 2020; 59:102946. [PMID: 32962917 DOI: 10.1016/j.transci.2020.102946] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Alloimmunization to non-ABO, red blood cell (RBC) antigens remains one of the most clinically-relevant complexities faced by blood banking practitioners. In the setting of transfusion therapy, these antibodies raise risks for incompatibilities, while for pregnant patients they can mediate deadly forms of hemolytic disease of the fetus and newborn. As such, a thorough understanding of pathways that lead to alloimmunization, as well as the tools used by blood banks to detect alloantibodies, is critical to transfusion practice. In this review, in which alloimmunization in the setting of pregnancy will be emphasized, we will review: 1) the clinical impacts of RBC alloantibodies in the peri-partum period; 2) the current pathophysiologic mechanisms thought to influence non-ABO antigen alloimmunization; 3) the strengths and weaknesses of laboratory tools used in aiding alloimmunization detection; and 4) future directions of the transfusion community related to alloimmunization impacting pregnancy.
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Affiliation(s)
- Gaurav K Gupta
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - Raisa Balbuena-Merle
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States; Pathology & Laboratory Medicine Service, VA Connecticut Healthcare System, West Haven, CT, United States
| | - Jeanne E Hendrickson
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States; Department of Pediatrics, Yale University School of Medicine, New Haven, CT, United States
| | - Christopher A Tormey
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States.
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20
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Castleman JS, Moise KJ, Kilby MD. Medical therapy to attenuate fetal anaemia in severe maternal red cell alloimmunisation. Br J Haematol 2020; 192:425-432. [PMID: 32794242 DOI: 10.1111/bjh.17041] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 07/22/2020] [Indexed: 12/01/2022]
Abstract
Haemolytic disease of the fetus and newborn (HDFN) remains an important cause of fetal mortality with potential neonatal and longer-term morbidity. HDFN is caused by maternal red cell alloimmunisation, with IgG antibodies crossing the placenta to destroy fetal erythroid cells expressing the involved antigen. Intrauterine fetal blood transfusion is the therapy of choice for severe fetal anaemia. Despite a strong evidence base and technical advances, invasive fetal therapy carries risk of miscarriage and preterm birth. Procedure-related risks are increased when invasive, in utero transfusion is instituted prior to 22 weeks to treat severe early-onset fetal anaemia. This review focuses upon this cohort of HDFN and discusses intravenous immunoglobin (IVIg) and novel monoclonal antibody (M281, nipocalimab) treatments which, if started at the end of the first trimester, may attenuate the transplacental passage and fetal effects of IgG antibodies. Such therapy has the ability to improve fetal survival in this severe presentation of HDFN when early in utero transfusion may be required and may have wider implications for the perinatal management in general.
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Affiliation(s)
- James S Castleman
- West Midlands Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
| | - Kenneth J Moise
- Department of Obstetrics, Gynecology and Reproductive Sciences, McGovern Medical School, The University of Texas Health Science Center, Houston, TX, USA
| | - Mark D Kilby
- West Midlands Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK.,Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
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21
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Rahimi-Levene N, Chezar J, Yahalom V. Red blood cell alloimmunization prevalence and hemolytic disease of the fetus and newborn in Israel: A retrospective study. Transfusion 2020; 60:2684-2690. [PMID: 32770778 DOI: 10.1111/trf.15987] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 06/16/2020] [Accepted: 06/20/2020] [Indexed: 11/28/2022]
Abstract
Hemolytic disease of the fetus and newborn (HDFN) is a severe form of anemia caused by maternal antibodies against fetal red blood cells (RBC) that can cause intrauterine and perinatal morbidity and mortality. The prevalence and specificities of alloantibodies among Israeli pregnant women and clinical outcomes for their fetuses and newborns are unknown. STUDY DESIGN AND METHODS A retrospective study of women who gave birth between January 1, 2011, and December 31, 2011, was performed. Data were obtained for obstetric admissions from 16 of 27 hospitals, which included results of maternal ABO, D, antibody screens, antibody identification, and requirements for intrauterine or newborn exchange transfusions. RESULTS Data on 90 948 women representing 70% of all births during 2011 were analyzed. Antibody screen was positive in 5245 (5.8%) women. Alloantibodies, excluding anti-D titer (<16) were identified in 900 (1.0%) women. Of 191 D- women, 75 (39.3%) had anti-D titer of 16 or greater. Other common clinically significant antibodies were anti-E (204, 23%), anti-K (145, 16%), and anti-c (97, 10.8%) alone or in antibody combinations. Multiple alloantibodies were observed in 132 of 900 (15%) of women. Severe HDFN developed in 6.8% (9/132) of these pregnancies. Seventeen fetuses and newborns (0.02% of births) including one set of twins required RBC transfusions. Two fetuses whose mothers had multiple alloantibodies received intrauterine transfusions; one of them was hydropic and died. CONCLUSION The prevalence of RBC alloantibodies was 1.0% among Israeli pregnant women. Transfusion was required in 0.02% of the fetuses and newborns. Severe HDFN developed in 6.8% of pregnancies with multiple maternal alloantibodies.
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Affiliation(s)
- Naomi Rahimi-Levene
- Blood Bank, Shamir Medical Center, Zerifin, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Judith Chezar
- Blood Bank, Galilee Medical Center, Nahariya, Israel
| | - Vered Yahalom
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Blood Services and Apheresis Institute, Rabin Medical Center, Petach Tikva, Israel.,National Blood Group Reference Laboratory, Magen David Adom, National Blood Services, Ramat Gan, Israel
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22
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Edmundson P, Vandertulip KR. Feasibility assessment for use of Rh-positive blood products during emergency resuscitation in the North Texas trauma population. Proc (Bayl Univ Med Cent) 2020; 33:532-535. [PMID: 33100522 DOI: 10.1080/08998280.2020.1793648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
The purpose of this study was to evaluate the extent to which a blood bank policy aimed at decreasing the risk of hemolytic disease of the fetus and newborn (HDFN) by limiting emergency-release blood to Rh-negative blood products is effective. We conducted a retrospective review of the trauma registry for all trauma patients evaluated at our level II trauma center. Patients who received blood products within 4 h of arrival were included. Focused chart review was performed to describe the ABO type, Rh blood type, and sex of the blood recipient in the study population. We identified 262 patients who received emergent transfusion, including 64 women. Four of the 64 women (6%) were Rh negative. Of these, one was of childbearing potential, which represents 0.4% of the 262 patients who received emergency-release blood products and 1.6% of the 64 women emergently transfused following trauma. During our study interval, 1527 units of blood were transfused to patients who could have received Rh-positive blood without concern for HDFN. The proscription against Rh-positive blood as an emergency-release blood product only minimally reduces the risk of development of future HDFN in our trauma population.
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Affiliation(s)
- Philip Edmundson
- Department of Surgery, Texas Health Presbyterian Hospital Dallas, Dallas, Texas
| | - Kaeli R Vandertulip
- Department of Surgery, Texas Health Presbyterian Hospital Dallas, Dallas, Texas
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23
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Webb J. Do red cell antibodies continue to challenge breastfed babies? Transfus Med 2020; 30:245-246. [PMID: 32166829 DOI: 10.1111/tme.12675] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 02/29/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Jennifer Webb
- Division of Pediatrics, George Washington University, School of Medicine and Health Sciences, Washington, District of Columbia, United States.,Chronic Transfusion Therapy and Therapeutic Apheresis Program, Children's National Hospital, Washington, District of Columbia, United States
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24
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Castleman JS, Kilby MD. Red cell alloimmunization: A 2020 update. Prenat Diagn 2020; 40:1099-1108. [PMID: 32108353 DOI: 10.1002/pd.5674] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 02/17/2020] [Accepted: 02/21/2020] [Indexed: 12/27/2022]
Abstract
Management of maternal red cell alloimmunization has been revolutionized over the last 60 years. Advances in the prevention, screening, diagnosis, and treatment of alloimmune-induced fetal anemia make this condition an exemplar for contemporary practice in fetal therapy. Since survival is now an expectation, attention has turned to optimization of long-term outcomes following an alloimmunized pregnancy. In this review, the current management of red cell alloimmunization is described. Current research and future directions are discussed with particular emphasis on later life outcomes after alloimmune fetal anemia.
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Affiliation(s)
- James S Castleman
- West Midlands Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK
| | - Mark D Kilby
- West Midlands Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, UK.,Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
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25
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Moosavi M, Ma Y, Baez J, Jeffreys R, Ward DC, Ziman A, McGonigle AM. Resolving Blocked Antigen Phenomenon in Hemolytic Disease of the Fetus and Newborn Due to Anti-K. Transfus Med Rev 2020; 34:124-127. [PMID: 32209273 DOI: 10.1016/j.tmrv.2020.02.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/11/2020] [Accepted: 02/13/2020] [Indexed: 11/19/2022]
Abstract
High-titer antibodies are a cause of false-negative reactions in red blood cell antigen phenotyping, an event referred to as blocked antigen phenomenon (BAP). In hemolytic disease of the fetus and newborn, BAP complicates laboratory workups as fetal phenotype is helpful in confirming the responsible antibody. Acid elution techniques, techniques using ethylenediaminetetraacetic glycine acid, as well as those using chloroquine diphosphate have been used to resolve BAP; however, ethylenediaminetetraacetic glycine acid destroys K-antigen expression and chloroquine diphosphate is not always effective. We report a case of severe hemolytic disease of the fetus and newborn from anti-K where a modified gentle heat elution resolved BAP. Although infrequently considered with isolated reports in the literature, heat elution is simple, is effective, and involves readily available materials in most blood banks.
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Affiliation(s)
- Mitchell Moosavi
- From the Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Yao Ma
- From the Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Janet Baez
- From the Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Rebecca Jeffreys
- From the Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Dawn C Ward
- From the Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Alyssa Ziman
- From the Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Andrea M McGonigle
- From the Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
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26
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Yazer MH, Delaney M, Doughty H, Dunbar NM, Al‐Riyami AZ, Triulzi DJ, Watchko JF, Wood EM, Yahalom V, Emery SP. It is time to reconsider the risks of transfusing RhD negative females of childbearing potential with RhD positive red blood cells in bleeding emergencies. Transfusion 2019; 59:3794-3799. [DOI: 10.1111/trf.15569] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 09/21/2019] [Accepted: 09/26/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Mark H. Yazer
- Department of PathologyUniversity of Pittsburgh Pittsburgh Pennsylvania
- Vitalant Pittsburgh Pennsylvania
| | - Meghan Delaney
- Division of Pathology and Laboratory MedicineChildren's National Medical Center Washington District of Columbia
- Department of Pathology and PediatricsGeorge Washington University Medical School Washington District of Columbia
| | | | - Nancy M. Dunbar
- Department of Pathology and Laboratory MedicineDartmouth‐Hitchcock Medical Center Lebanon New Hampshire
| | - Arwa Z. Al‐Riyami
- Department of HematologySultan Qaboos University Hospital Muscat Oman
| | - Darrell J. Triulzi
- Department of PathologyUniversity of Pittsburgh Pittsburgh Pennsylvania
- Vitalant Pittsburgh Pennsylvania
| | - Jon F. Watchko
- Department of PediatricsUniversity of Pittsburgh School of Medicine Pittsburgh Pennsylvania
| | - Erica M. Wood
- Transfusion Research UnitSchool of Public Health and Preventive Medicine, Monash University Melbourne Australia
- Department of Clinical HaematologyMonash Health Melbourne Australia
| | - Vered Yahalom
- Rabin Medical CenterBlood Services and Apheresis Institute Petah Tiqva Israel
| | - Stephen P. Emery
- Department of Obstetrics, Gynecology and Reproductive SciencesUniversity of Pittsburgh School of Medicine Pittsburgh Pennsylvania
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27
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Abstract
Transfusion of uncrossmatched erythrocytes is lifesaving in patients who are severely bleeding when crossmatched erythrocytes are unavailable. The hemolysis risk after uncrossmatched erythrocyte administration to appropriate patients is very low.
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28
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Bullock T, Hazell M, McCullagh J. Advances in Transfusion Medicine RCPath, November 2018. Transfus Med 2019; 29:4-15. [DOI: 10.1111/tme.12590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 02/07/2019] [Accepted: 02/11/2019] [Indexed: 11/27/2022]
Affiliation(s)
| | - M. Hazell
- NHS Blood and Transplant; Bristol UK
| | - J. McCullagh
- Whipps Cross University Hospital; Barts Health NHS Trust; London UK
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29
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Delaney M. Haemolytic disease of the fetus and newborn: advancements in precision and prevention. ACTA ACUST UNITED AC 2018. [DOI: 10.1111/voxs.12479] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Meghan Delaney
- Pathology & Laboratory Medicine Division; Children's National Health System; Washington DC USA
- Department of Pediatrics & Pathology; George Washington University; Washington DC USA
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30
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Karafin MS, Tan S, Tormey CA, Spencer BR, Hauser RG, Norris PJ, Roubinian NH, Wu Y, Triulzi DJ, Kleinman S, Gottschall JL, Hendrickson JE. Prevalence and risk factors for RBC alloantibodies in blood donors in the Recipient Epidemiology and Donor Evaluation Study-III (REDS-III). Transfusion 2018; 59:217-225. [PMID: 30427537 DOI: 10.1111/trf.15004] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Revised: 07/31/2018] [Accepted: 09/04/2018] [Indexed: 02/05/2023]
Abstract
BACKGROUND Little information exists on red blood cell (RBC) alloimmunization in healthy US blood donors, despite the potential significance for donors themselves, blood recipients, and the blood center. STUDY DESIGN AND METHODS Donor/donation data were sourced from the Recipient Epidemiology and Donor Evaluation Study-III, which contains information from four US blood centers during 2012 through 2016. Multivariable logistic regression was used to assess prevalence of positive antibody screen by donor demographics, blood type, parity, and transfusion history. RESULTS More than 2 million units were collected from 632,378 donors, with 0.51% of donations antibody screen positive and 0.77% of donors having at least one positive antibody screen. The most common antibody specificities were D (26.4%), E (23.8%), and K (21.6%). Regression analysis indicated that increasing age, female sex, D-negative status, and history of transfusion and pregnancy were positively associated with a positive antibody screen. Prior transfusion history was most strongly associated with a positive antibody screen, with donors reporting a prior transfusion having a higher adjusted odds ratio (3.9) of having a positive antibody screen compared to donors reporting prior pregnancy (adjusted odds ratio, 2.0). Though transfusion was a more potent immune stimulus for RBC alloantibody formation than pregnancy, the sheer number of previously pregnant donors contributed to pregnancy being a risk factor for the majority of clinically significant RBC alloantibodies detected in females. CONCLUSION These findings on prevalence of and risk factors for RBC antibodies may have implications for future medical care of donors and for operations at blood centers.
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Affiliation(s)
- Matthew S Karafin
- Blood Center of Wisconsin, Medical College of Wisconsin, Milwaukee, Wisconsin
| | | | - Christopher A Tormey
- Department of Laboratory Medicine, Yale University, New Haven, Connecticut.,VA CT, West Haven, Connecticut
| | - Bryan R Spencer
- Department of Laboratory Medicine, Yale University, New Haven, Connecticut.,American Red Cross, Dedham, Massachusetts
| | - Ronald G Hauser
- Department of Laboratory Medicine, Yale University, New Haven, Connecticut.,VA CT, West Haven, Connecticut
| | - Philip J Norris
- University of California, San Francisco, California.,Blood Systems Research Institute, San Francisco, California
| | - Nareg H Roubinian
- University of California, San Francisco, California.,Blood Systems Research Institute, San Francisco, California
| | - Yanyun Wu
- Department of Laboratory Medicine, Yale University, New Haven, Connecticut.,Bloodworks Northwest, Seattle, Washington
| | - Darrell J Triulzi
- University of Pittsburgh and Institute of Transfusion Medicine, Pittsburgh, Pennsylvania
| | - Steve Kleinman
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Jerome L Gottschall
- Blood Center of Wisconsin, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Jeanne E Hendrickson
- Department of Laboratory Medicine, Yale University, New Haven, Connecticut.,Department of Pediatrics, Yale University, New Haven, Connecticut
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31
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Dauber EM, Mayr WR, Hustinx H, Schönbacher M, Budde H, Legler TJ, König M, Haas OA, Fritsch G, Körmöczi GF. Somatic mosaicisms of chromosome 1 at two different stages of ontogenetic development detected by Rh blood group discrepancies. Haematologica 2018; 104:632-638. [PMID: 30237270 PMCID: PMC6395338 DOI: 10.3324/haematol.2018.201293] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 09/20/2018] [Indexed: 12/19/2022] Open
Abstract
Spontaneous Rh blood group changes are a striking sign, reported to occur mainly in patients with hematologic disorders. Upon routine blood grouping, 2 unrelated individuals showed unexplained mixed red cell phenotype regarding the highly immunogenic c antigen (RH4), clinically relevant for blood transfusion and fetomaternal incompatibility. About half of their red cells were c-positive, whereas the other half were c-negative. These apparently hematologically healthy females had no history of transfusion or transplantation, and they tested negative for chimerism. Genotyping of flanking chromosome 1 microsatellites in blood, finger nails, hair, leukocyte subpopulations, and erythroid progenitor cells showed partial loss of heterozygosity encompassing the RHD/RHCE loci, spanning a 1p region of 26.7 or 42.4 Mb, respectively. Remarkably, in one case this was detected in all investigated tissues, whereas in the other, exclusively myeloid cells showed loss of heterozygosity. Both carried the RhD-positive haplotypes CDe and the RhD-negative haplotype cde. RHD/RHCE genotypes of single erythroid colonies and dual-color fluorescent in situ hybridization analyses indicated loss of the cde haplotype and duplication of the CDe haplotype in the altered cell line. Accordingly, red cell C antigen (RH2) levels of both propositae were higher than those of heterozygous controls. Taken together, the Rhc phenotype splitting appeared to be caused by deletion of a part of 1p followed by duplication of homologous stretches of the sister chromosome. In one case, this phenomenon was confined to myeloid stem cells, while in the other, a pluripotent stem cell line was affected, demonstrating somatic mosaicism at different stages of ontogenesis.
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Affiliation(s)
- Eva-Maria Dauber
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Austria
| | - Wolfgang R Mayr
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Austria
| | - Hein Hustinx
- Blood Transfusion Service, Swiss Red Cross (SRK), Bern, Switzerland
| | - Marlies Schönbacher
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Austria
| | - Holger Budde
- Department of Transfusion Medicine, University of Göttingen, Germany
| | - Tobias J Legler
- Department of Transfusion Medicine, University of Göttingen, Germany
| | - Margit König
- Children's Cancer Research Institute, St. Anna Hospital, Vienna, Austria
| | - Oskar A Haas
- Children's Cancer Research Institute, St. Anna Hospital, Vienna, Austria
| | - Gerhard Fritsch
- Children's Cancer Research Institute, St. Anna Hospital, Vienna, Austria
| | - Günther F Körmöczi
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Austria
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32
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Webb J, Delaney M. Red Blood Cell Alloimmunization in the Pregnant Patient. Transfus Med Rev 2018; 32:213-219. [PMID: 30097223 DOI: 10.1016/j.tmrv.2018.07.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 05/22/2018] [Accepted: 07/05/2018] [Indexed: 12/13/2022]
Abstract
Alloimmunization to red blood cell (RBC) antigens represents a challenge for physicians caring for women of child bearing potential. Exposure to non-self RBC antigens may occur during transfusion or pregnancy leading to the development of antibodies. If a subsequent fetus bears that antigen, maternal antibodies may attack the fetal red blood cells causing red cell destruction and clinically significant hemolytic disease of the fetus and newborn (HDFN). In the most severe cases, HDFN may result in intrauterine fetal demise due to high output cardiac failure, effusions and ascites, known as "hydrops fetalis". This article reviews strategies for management and prevention of RBC alloimmunization in women of child bearing potential.
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Affiliation(s)
- Jennifer Webb
- Children's National Health System, Washington, D.C., USA; The George Washington University, Departments of Pediatrics & Pathology, Washington, DC, USA.
| | - Meghan Delaney
- Children's National Health System, Washington, D.C., USA; The George Washington University, Departments of Pediatrics & Pathology, Washington, DC, USA
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33
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Reply. Am J Obstet Gynecol 2018; 219:125-126. [PMID: 29604287 DOI: 10.1016/j.ajog.2018.03.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 03/22/2018] [Indexed: 11/23/2022]
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34
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Yazer MH, Nessen SC, Cap AP. How shall we transfuse Hippolyta? The same way whether on or off the battlefield. Am J Obstet Gynecol 2018; 219:124-125. [PMID: 29601797 DOI: 10.1016/j.ajog.2018.03.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 03/22/2018] [Indexed: 01/31/2023]
Affiliation(s)
- Mark H Yazer
- Department of Pathology, University of Pittsburgh, Institute for Transfusion Medicine, Pittsburgh, PA.
| | | | - Andrew P Cap
- US Army Institute of Surgical Research, Sam Houston, TX
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35
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Karafin MS, Westlake M, Hauser RG, Tormey CA, Norris PJ, Roubinian NH, Wu Y, Triulzi DJ, Kleinman S, Hendrickson JE. Risk factors for red blood cell alloimmunization in the Recipient Epidemiology and Donor Evaluation Study (REDS-III) database. Br J Haematol 2018; 181:672-681. [PMID: 29675950 DOI: 10.1111/bjh.15182] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 01/29/2018] [Indexed: 12/22/2022]
Abstract
Despite the significance of red blood cell (RBC) alloimmunization, the lack of standardized registries in the US has prevented the completion of large studies. Data from 3·5 years of the Recipient Epidemiology and Donor Evaluation Study-III (REDS-III) recipient database, containing information from 12 hospitals, were studied. A RBC alloantibody responder had an antibody identified at any point during the study, and a non-responder had a negative antibody screen at least 15 days post-RBC transfusion. Demographics, blood type, ICD9/10 codes, and other potential correlates were evaluated. Of 319 177 (2·07%) screened patients, 6597 had a total of 8892 clinically significant RBC alloantibodies identified, with 75% being in the Rh or Kell families. Alloimmunization was more common in females (2·38%) than males (1·68%), and in RhD negative (2·82%) than RhD positive (1·94%) patients. Age, sex, RhD status and race were associated with being a responder, and certain diagnoses (including sickle cell disease or trait, systemic lupus erythematosus, rheumatoid arthritis and myelodysplastic syndrome) were more common among responders than non-responders. Data collected in this multi-centre recipient database provide the largest RBC alloimmunized patient cohort studied in the US, with previously known demographic and disease associations of responder status confirmed, and new associations identified.
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Affiliation(s)
| | | | - Ronald G Hauser
- Department of Laboratory Medicine, Yale University, New Haven, CT, USA.,VA CT, West Haven, CT, USA
| | - Christopher A Tormey
- Department of Laboratory Medicine, Yale University, New Haven, CT, USA.,VA CT, West Haven, CT, USA
| | - Philip J Norris
- University of California, San Francisco, CA, USA.,Blood Systems Research Institute, San Francisco, CA, USA
| | - Nareg H Roubinian
- University of California, San Francisco, CA, USA.,Blood Systems Research Institute, San Francisco, CA, USA
| | - Yanyun Wu
- Department of Laboratory Medicine, Yale University, New Haven, CT, USA.,Bloodworks Northwest, Seattle, WA, USA
| | - Darrell J Triulzi
- University of Pittsburgh and Institute of Transfusion Medicine, Pittsburgh, PA, USA
| | - Steve Kleinman
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Jeanne E Hendrickson
- Department of Laboratory Medicine, Yale University, New Haven, CT, USA.,Department of Pediatrics, Yale University, New Haven, CT, USA
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36
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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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37
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Zheng Y, Pollak J, Henderson K, Hendrickson JE, Tormey CA. A novel association between high red blood cell alloimmunization rates and hereditary hemorrhagic telangiectasia. Transfusion 2017; 58:775-780. [DOI: 10.1111/trf.14451] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 10/28/2017] [Accepted: 11/01/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Yan Zheng
- Department of Laboratory Medicine; Yale University School of Medicine; New Haven Connecticut
| | - Jeffrey Pollak
- Department of Radiology and Biomedical Imaging; Yale University School of Medicine; New Haven Connecticut
| | - Katharine Henderson
- Department of Radiology and Biomedical Imaging; Yale University School of Medicine; New Haven Connecticut
| | - Jeanne E. Hendrickson
- Department of Laboratory Medicine; Yale University School of Medicine; New Haven Connecticut
- Department of Pediatrics; Yale University School of Medicine; New Haven Connecticut
| | - Christopher A. Tormey
- Department of Laboratory Medicine; Yale University School of Medicine; New Haven Connecticut
- Pathology & Laboratory Medicine Service; VA Connecticut Healthcare System; West Haven Connecticut
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38
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Bollason G, Hjartardottir H, Jonsson T, Gudmundsson S, Kjartansson S, Halldorsdottir AM. Red blood cell alloimmunization in pregnancy during the years 1996-2015 in Iceland: a nation-wide population study. Transfusion 2017; 57:2578-2585. [DOI: 10.1111/trf.14262] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 06/09/2017] [Accepted: 06/21/2017] [Indexed: 11/27/2022]
Affiliation(s)
- Gunnar Bollason
- University of Iceland, Faculty of Medicine; Reykjavik Iceland
| | - Hulda Hjartardottir
- Department of Obstetrics and Gynecology; Landspitali University Hospital; Reykjavik Iceland
| | - Thorbjorn Jonsson
- University of Iceland, Faculty of Medicine; Reykjavik Iceland
- Blood Bank, Landspitali University Hospital; Reykjavik Iceland
| | | | - Sveinn Kjartansson
- Department of Pediatrics; Landspitali University Hospital; Reykjavik Iceland
| | - Anna Margret Halldorsdottir
- University of Iceland, Faculty of Medicine; Reykjavik Iceland
- Blood Bank, Landspitali University Hospital; Reykjavik Iceland
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39
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Hendrickson JE. Red blood cell alloimmunisation: induction of immunity and potential mitigation strategies. ACTA ACUST UNITED AC 2017. [DOI: 10.1111/voxs.12360] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- J. E. Hendrickson
- Department of Laboratory Medicine; Yale University School of Medicine; New Haven CT USA
- Department of Pediatrics; Yale University School of Medicine; New Haven CT USA
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