TransfusionPub Date : 2024-10-07DOI: 10.1111/trf.18028
Jacqueline N Poston, Siobhan P Brown, Amy Sarah Ginsburg, Anton Ilich, Heather Herren, Nahed El Kassar, Darrell J Triulzi, Nigel S Key, Susanne May, Terry B Gernsheimer
{"title":"Analysis of bleeding outcomes in patients with hypoproliferative thrombocytopenia in the A-TREAT clinical trial.","authors":"Jacqueline N Poston, Siobhan P Brown, Amy Sarah Ginsburg, Anton Ilich, Heather Herren, Nahed El Kassar, Darrell J Triulzi, Nigel S Key, Susanne May, Terry B Gernsheimer","doi":"10.1111/trf.18028","DOIUrl":"10.1111/trf.18028","url":null,"abstract":"<p><strong>Background: </strong>Despite prophylactic platelet transfusions, hypoproliferative thrombocytopenia is associated with bleeding; historical risk factors include hematocrit (HCT) <math> <semantics><mrow><mo>≤</mo></mrow> <annotation>$$ le $$</annotation></semantics> </math> 25%, activated partial thromboplastin time <math> <semantics><mrow><mo>≥</mo></mrow> <annotation>$$ ge $$</annotation></semantics> </math> 30 s, international normalized ratio <math> <semantics><mrow><mo>≥</mo></mrow> <annotation>$$ ge $$</annotation></semantics> </math> 1.2, and platelets <math> <semantics><mrow><mo>≤</mo></mrow> <annotation>$$ le $$</annotation></semantics> </math> 5000/μL.</p><p><strong>Methods: </strong>We performed a post hoc analysis of bleeding outcomes and risk factors in participants with hematologic malignancy and hypoproliferative thrombocytopenia enrolled in the American Trial to Evaluate Tranexamic Acid Therapy in Thrombocytopenia (A-TREAT) and randomized to receive either tranexamic acid (TXA) or placebo.</p><p><strong>Results: </strong>World Health Organization (WHO) grade 2+ bleeding occurred in 46% of 330 participants, with no difference between the TXA (44%) and placebo (47%) groups (p = 0.66). Overall, the most common sites of bleeding were oronasal (18%), skin (17%), gastrointestinal (11%), and genitourinary (11%). Among participants of childbearing potential, 28% experienced vaginal bleeding. Platelets ≤5000/μL and HCT < 21% (after adjusting for severe thrombocytopenia) were independently associated with increased bleeding risk (HR 3.78, 95% CI 2.16-6.61; HR 2.67, 95% CI 1.35-5.27, respectively). Allogeneic stem cell transplant was associated with nonsignificant increased risk of bleeding versus chemotherapy alone (HR 1.34, 95% CI 0.94-1.91).</p><p><strong>Discussion: </strong>The overall rate of WHO grade 2+ bleeding was similar to previous reports, albeit with lower rates of gastrointestinal bleeding. Vaginal bleeding was common in participants of childbearing potential. Platelets ≤5000/μL remained a risk factor for bleeding. Regardless of platelet count, bleeding risk increased with HCT < 21%, suggesting a red blood cell transfusion threshold above 21% should be considered to mitigate bleeding. More investigation is needed on strategies to reduce bleeding in this population.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142381712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TransfusionPub Date : 2024-10-07DOI: 10.1111/trf.18039
Yunlei He, Lu Yu, Jiwei Zhang, Yiwen He, Di Niu, Gang Deng
{"title":"Serological and molecular characterization of novel ABO variants including an interesting B(A) subgroup.","authors":"Yunlei He, Lu Yu, Jiwei Zhang, Yiwen He, Di Niu, Gang Deng","doi":"10.1111/trf.18039","DOIUrl":"https://doi.org/10.1111/trf.18039","url":null,"abstract":"<p><strong>Background: </strong>ABO grouping is the most important pretransfusion testing that is directly related to the safety of blood transfusion. A weak ABO subgroup is one of the important causes of an ABO grouping discrepancy. Here, we investigated the characterization of four novel ABO variants including a novel B(A) subgroup.</p><p><strong>Study design and methods: </strong>RBCs were phenotyped by standard serology methods. The full coding regions of the ABO gene and the erythroid cell-specific regulatory elements in intron one were sequenced. The effect of the possible splice site variant was predicted by Alamut software. The 3D structural modeling of three relative B(A) enzymes (p.Met214Thr, p.Met214Val, and p.Met214Leu) were performed by PyMOL software.</p><p><strong>Results: </strong>Four novel ABO alleles were identified with weak ABO expression in this study, in which two would lead to premature terminations, and two resulted in amino acid changes. In silico analysis revealed that the splice site variant c.155G>T had the potential to alter splice transcripts. 3D structural view shown that the variant amino acid position 214 was spatially adjacent to the donor recognition pocket residues (266Met and 268Ala) and just next to the <sup>211</sup>DVD<sup>213</sup> motif. The size of the side chain of Thr and Val is the smallest, Leu is medium, and Met is the largest, and the size changes in the critical position 214 may affect the donor recognition pocket.</p><p><strong>Conclusion: </strong>Four ABO subgroup alleles were newly linked to different kinds of ABO variants and the possible mechanism through which they produce weak ABO subgroups was analyzed in silico.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142381714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TransfusionPub Date : 2024-10-07DOI: 10.1111/trf.18034
Neha Bhasin, Dana Marie LeBlanc, Sean Yates, Quentin Eichbaum, An Pham, Deva Sharma, Li Zhang, Elliott P Vichinsky, Ravi Sarode
{"title":"Physician perspectives about the diagnosis and management of acute chest syndrome.","authors":"Neha Bhasin, Dana Marie LeBlanc, Sean Yates, Quentin Eichbaum, An Pham, Deva Sharma, Li Zhang, Elliott P Vichinsky, Ravi Sarode","doi":"10.1111/trf.18034","DOIUrl":"https://doi.org/10.1111/trf.18034","url":null,"abstract":"<p><strong>Background: </strong>Acute chest syndrome (ACS) is the leading cause of mortality, accounting for 25% of all deaths among individuals with sickle cell disease (SCD). There is a lack of evidence-based laboratory and clinical risk stratification guidelines for the diagnosis and management of ACS.</p><p><strong>Study design and methods: </strong>To better understand physician practices for the management of ACS in the United States, we created an ACS Working Group including hematology and transfusion medicine physicians from four different SCD treatment centers in the United States. The working group created a physician survey that included physician demographics and ACS diagnostic criteria that they had to rate. The survey also included three case scenarios to assess physician attitudes about the management of ACS. Management options included supportive and preventive strategies in addition to transfusion therapy options.</p><p><strong>Results: </strong>Out of 455 physicians who received the survey, 195 responded (response rate = 43%). The respondents were primarily hematology/oncology physicians. The responses showed wide variability among physicians in how diagnostic criteria for ACS are used and how physicians risk-stratify ACS patients in their practice. The responses also reflected variability in the use of transfusions for ACS.</p><p><strong>Discussion: </strong>Based on our results, we conclude that ACS is diagnosed and managed inconsistently among expert physicians, especially in their transfusion practices due to a lack of consensus on risk stratification criteria. Our data suggest an urgent need for well-designed prospective studies to provide evidence-based guidelines and minimize management variability among physicians who care for individuals with SCD and ACS.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142381713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TransfusionPub Date : 2024-10-07DOI: 10.1111/trf.18017
Clara Di Germanio, Xutao Deng, Brendan G Balasko, Graham Simmons, Rachel Martinelli, Eduard Grebe, Mars Stone, Bryan R Spencer, Paula Saa, Elaine A Yu, Marion C Lanteri, Valerie Green, David Wright, Isaac Lartey, Steven Kleinman, Jefferson Jones, Brad J Biggerstaff, Paul Contestable, Michael P Busch
{"title":"Spike and nucleocapsid antibody dynamics following SARS-CoV-2 infection and vaccination: Implications for sourcing COVID-19 convalescent plasma from routinely collected blood donations.","authors":"Clara Di Germanio, Xutao Deng, Brendan G Balasko, Graham Simmons, Rachel Martinelli, Eduard Grebe, Mars Stone, Bryan R Spencer, Paula Saa, Elaine A Yu, Marion C Lanteri, Valerie Green, David Wright, Isaac Lartey, Steven Kleinman, Jefferson Jones, Brad J Biggerstaff, Paul Contestable, Michael P Busch","doi":"10.1111/trf.18017","DOIUrl":"10.1111/trf.18017","url":null,"abstract":"<p><strong>Background: </strong>COVID-19 convalescent plasma (CCP) remains a treatment option for immunocompromised patients; however, the current FDA qualification threshold of ≥200 BAU/mL of spike antibody appears to be relatively low. We evaluated the levels of binding (bAb) and neutralizing antibodies (nAb) on serial samples from repeat blood donors who were vaccinated and/or infected to inform criteria for qualifying CCP from routinely collected plasma components.</p><p><strong>Methods: </strong>Donors were categorized into four groups: (1) infected, then vaccinated, (2) vaccinated then infected during the delta, or (3) omicron waves, (4) vaccinated without infection. IgG Spike and total Nuclecapsid bAb were measured, along with S variants and nAb titers using reporter viral particle neutralization.</p><p><strong>Results: </strong>Mean S IgG bAb peaks after infection alone were lower than after primary and booster vaccinations, and higher after delta and omicron infection in previously vaccinated donors. Half-lives for S IgG ranged from 34 to 66 days after first infection/vaccination events and up to 108 days after second events. The levels of S IgG bAb and nAb were similar across different variants, except for omicron, which were lower. Better correlations of nAb with bAb were observed at higher levels (hybrid immunity) than at the current FDA CCP qualifying threshold.</p><p><strong>Discussion: </strong>Routine plasma donations from donors with hybrid immunity had high S bAb and potent neutralizing activity for 3-6 months after infection. In donations with high (>4000 BAU/mL) S IgG, >95% had high nAb titers (>500) against ancestral and variant S, regardless of COVID-19 symptoms. These findings provide the basis for test-based criteria for qualifying CCP from routine blood donations.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142381715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TransfusionPub Date : 2024-10-04DOI: 10.1111/trf.18027
Melanie Robbins, Rhian Edwards, Alastair Hunter, Laura Green, Dave Edmondson, Andrew Bailey, Chris Fowler, Rebecca Cardigan
{"title":"Understanding the benefits of universal plasma and cryoprecipitate in hospitals in England.","authors":"Melanie Robbins, Rhian Edwards, Alastair Hunter, Laura Green, Dave Edmondson, Andrew Bailey, Chris Fowler, Rebecca Cardigan","doi":"10.1111/trf.18027","DOIUrl":"https://doi.org/10.1111/trf.18027","url":null,"abstract":"<p><strong>Background: </strong>Group AB plasma does not contain anti-A or anti-B antibodies and is therefore considered universal but is in limited supply (4% of the population). There is currently no licensed universal plasma available, and therefore current clinical guidelines for transfusion require the donor and recipient to be blood group compatible. We sought to understand the benefits of universal plasma to hospitals in England, to inform R&D priorities going forward.</p><p><strong>Study design and methods: </strong>To understand the benefits of universal plasma (cryoprecipitate included), we distributed two surveys to hospitals (267 in total) in England.</p><p><strong>Results: </strong>Safety was the perceived top benefit of universal plasma (95%), with cost identified as the main barrier to adoption (82%), although the majority of respondents were willing to pay more for universal components. Ninety-five respondents felt they would replace all or part of their stock holding with universal plasma, with 91% anticipating that their overall stock holding of plasma would reduce as well as there will be a reduction in their plasma wastage (by up to 25%). Hospitals (56%) thought that the availability of universal plasma would support more rapid provision of plasma for transfusion, particularly in emergency situations, with the emergency/trauma department deemed to be the area that would see the greatest benefit from these universal blood components.</p><p><strong>Discussion: </strong>The response to both the potential clinical and operational benefits of a universal plasma and cryoprecipitate was positive.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142376090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TransfusionPub Date : 2024-10-04DOI: 10.1111/trf.18033
Shan Yuan, Shelley Chang, Hoim Kim, Shirong Wang
{"title":"Comparison of the efficacy of a generic plerixafor versus Mozobil as adjunct peripheral blood stem cell mobilization agents in multiple myeloma patients.","authors":"Shan Yuan, Shelley Chang, Hoim Kim, Shirong Wang","doi":"10.1111/trf.18033","DOIUrl":"https://doi.org/10.1111/trf.18033","url":null,"abstract":"<p><strong>Background: </strong>Plerixafor is an adjunct peripheral blood stem cell (PBSC) mobilization agent with well-demonstrated safety and efficacy. The routine use of the originator brand drug (Mozobil) has been limited by cost. This retrospective study was conducted to compare the mobilization efficacy of a lower-cost generic plerixafor and Mozobil in multiple myeloma (MM) patients.</p><p><strong>Study design and methods: </strong>The study included two near-concurrent cohorts of MM patients mobilized with brand (n = 64) or generic (n = 61) plerixafor in addition to filgrastim. Collection and early engraftment outcomes were compared.</p><p><strong>Results: </strong>The two cohorts had comparable distributions of sex, age, and weight. Previous treatment histories and proportions of upfront versus just-in-time plerixafor use were similar. There was no significant difference in their median overall cumulative total yield (10<sup>6</sup> CD34+ cells/kg) (brand, 5.91; generic, 5.80; p = .51). However, the generic cohort had a significantly higher median yield after the first dose (4.79 vs. 3.78, p = .03), and consequently lower median numbers of plerixafor doses (p = .001) and collection days (p = .002). Only 31.1% of patients in the generic arm required more than one dose versus 59.4% of patients in the brand arm (p = .006). All transplanted patients in the brand and generic arms (90.6% and 85.2% respectively, p = .42) achieved engraftment. There was no significant difference in their median times to platelet and neutrophil engraftment, nor their transfusion requirements during the first 30 days post-transplant.</p><p><strong>Conclusion: </strong>The generic plerixafor produced comparable cumulative collection yields and early engraftment outcomes as Mozobil, but fewer doses and collection days were needed to reach collection goal.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142376089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TransfusionPub Date : 2024-10-03DOI: 10.1111/trf.18020
Heather VanderMeulen, Akash Gupta, Rena Buckstein, James A Kennedy, Connie Colavecchia, Jami-Lynn Viveiros, Yulia Lin
{"title":"Reducing unnecessary outpatient group and screen testing at a regional cancer center.","authors":"Heather VanderMeulen, Akash Gupta, Rena Buckstein, James A Kennedy, Connie Colavecchia, Jami-Lynn Viveiros, Yulia Lin","doi":"10.1111/trf.18020","DOIUrl":"https://doi.org/10.1111/trf.18020","url":null,"abstract":"<p><strong>Background: </strong>Unnecessary group and screens (G&S) can lead to unnecessary antibody investigations, use of technologist time, and laboratory resources.</p><p><strong>Local problem: </strong>A baseline audit at our institution identified that 25% of G&S from the cancer center were unnecessary. We aimed to reduce the ratio of monthly G&S to CBC samples processed from the cancer center by 10% (from 0.034 to 0.031) by January 2024.</p><p><strong>Methods: </strong>This represents an interrupted time series design from November 2022 to January 2024. Using Plan Do Study Act (PDSA) cycles, we aimed to increase the use of an existing reflex testing system, termed \"do not test.\" When this option is selected, the blood bank will only process the G&S sample if specific CBC criteria are met (e.g., hemoglobin <9.0 g/dL). Educational sessions increased awareness of this feature and sought feedback from end-users on its usability. With feedback, the design was updated to include a modifiable hemoglobin threshold for G&S testing, automatic re-selection of the \"do not test\" feature for future G&S orders, and aesthetic changes to make the feature more visible.</p><p><strong>Results: </strong>The percentage of samples with \"do not test\" selected increased from 7.2% to 63.0% (p < .0001) and the ratio of G&S to CBC specimens improved from 0.034 to 0.028, exceeding the target of 0.031. We noted an improvement in the appropriateness of G&S orders from 75% at baseline (n = 20) to 97.5% (n = 80) post intervention (p = .003).</p><p><strong>Conclusions: </strong>We describe an effective strategy to improve G&S utilization at our institution's cancer center using a reflex testing system.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142366588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TransfusionPub Date : 2024-10-03DOI: 10.1111/trf.18032
Maria R Farcet, Michael Karbiener, Claudia Aberham, Nicholas Powers, Daniel Aue, Thomas R Kreil
{"title":"Parvovirus B19 rebound outbreak 2024 and implications for blood- and plasma-product safety.","authors":"Maria R Farcet, Michael Karbiener, Claudia Aberham, Nicholas Powers, Daniel Aue, Thomas R Kreil","doi":"10.1111/trf.18032","DOIUrl":"10.1111/trf.18032","url":null,"abstract":"<p><strong>Background: </strong>Since the beginning of 2024, several European countries reported unusually high numbers of Human parvovirus B19 (B19V) infections. An increase in B19V incidence rate might have implications for blood products for direct transfusion, however, large data sets for analysis of this outbreak are missing.</p><p><strong>Study design and methods: </strong>B19V nucleic acid testing (NAT) of plasma donations collected between June 2018 and May 2024 from mainly Central European countries (n = 9.6 million) and the United States (n = 70.7 million) was done to the individual donation level.</p><p><strong>Results: </strong>In Central Europe, there was a marked increase in B19V incidence from November 2023 onwards, which peaked in April 2024 with a 33-fold higher than average B19V incidence versus before the COVID-19 pandemic. In the United States, a similar trend was seen, with a yet still 6-fold lower increase than in Europe at the same time. The largest increase in B19V positivity was seen in the youngest plasma donor cohort.</p><p><strong>Discussion: </strong>A B19V infection gap during the COVID-19 pandemic is likely the basis for the rebound outbreak in 2023/2024, particularly in Europe. B19V NAT of millions of plasma donations provides for large scale numbers to solidify available epidemiology insight, and to support adequate risk assessments. Based on the situation it may be prudent to consider B19V NAT for blood components specifically directed towards transfusion to higher risk recipients, or alternatively, preselecting B19V seropositive individuals or advanced age donors at higher likelihood of seropositivity and thus lower risk of virus transmission.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142366587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TransfusionPub Date : 2024-10-02DOI: 10.1111/trf.18018
Michael X Fu, Helen M Faddy, Daniel Candotti, Jamel Groves, Paula Saa, Claire Styles, Opeyemi Adesina, Jose Perez Carrillo, Axel Seltsam, Marijke Weber-Schehl, Sheila F O'Brien, Steven J Drews, Nana Benyin Aidoo, Ángel Luis Pajares, Laura Navarro Perez, Xuelian Deng, Thijs van de Laar, Syria Laperche, Riikka Lehtisalo, Soner Yilmaz, Wai-Chiu Tsoi, David Juhl, Christoph Niederhauser, Nahid Chenarsabz, Niamh O'Flaherty, Naoko Goto, Masahiro Satake, Christian Renaud, Antoine Lewin, Marc Cloutier, Salam Sawadogo, Claire Reynolds, Eugene Zhiburt, An Muylaert, Véronique Van Gaever, Michel-Andres Garcia-Otalora, Lisa Jarvis, Marion Vermeulen, Michael Busch, Stuart Blackmore, Ann Jones, Su Brailsford, William L Irving, Monique Andersson, Peter Simmonds, Heli Harvala
{"title":"International review of blood donation screening for anti-HBc and occult hepatitis B virus infection.","authors":"Michael X Fu, Helen M Faddy, Daniel Candotti, Jamel Groves, Paula Saa, Claire Styles, Opeyemi Adesina, Jose Perez Carrillo, Axel Seltsam, Marijke Weber-Schehl, Sheila F O'Brien, Steven J Drews, Nana Benyin Aidoo, Ángel Luis Pajares, Laura Navarro Perez, Xuelian Deng, Thijs van de Laar, Syria Laperche, Riikka Lehtisalo, Soner Yilmaz, Wai-Chiu Tsoi, David Juhl, Christoph Niederhauser, Nahid Chenarsabz, Niamh O'Flaherty, Naoko Goto, Masahiro Satake, Christian Renaud, Antoine Lewin, Marc Cloutier, Salam Sawadogo, Claire Reynolds, Eugene Zhiburt, An Muylaert, Véronique Van Gaever, Michel-Andres Garcia-Otalora, Lisa Jarvis, Marion Vermeulen, Michael Busch, Stuart Blackmore, Ann Jones, Su Brailsford, William L Irving, Monique Andersson, Peter Simmonds, Heli Harvala","doi":"10.1111/trf.18018","DOIUrl":"https://doi.org/10.1111/trf.18018","url":null,"abstract":"<p><strong>Background: </strong>Hepatitis B core antibody (anti-HBc) screening has been implemented in many blood establishments to help prevent transmission of hepatitis B virus (HBV), including from donors with occult HBV infection (OBI). We review HBV screening algorithms across blood establishments globally and their potential effectiveness in reducing transmission risk.</p><p><strong>Materials and methods: </strong>A questionnaire on HBV screening and follow-up strategies was distributed to members of the International Society of Blood Transfusion working party on transfusion-transmitted infectious diseases. Screening data from 2022 were assimilated and analyzed.</p><p><strong>Results: </strong>A total of 30 unique responses were received from 25 countries. Sixteen respondents screened all donations for anti-HBc, with 14 also screening all donations for HBV DNA. Anti-HBc prevalence was 0.42% in all blood donors and 1.19% in new donors in low-endemic countries; however, only 44% of respondents performed additional anti-HBc testing to exclude false reactivity. 0.68% of anti-HBc positive, HBsAg-negative donors had detectable HBV DNA. Ten respondents did universal HBV DNA screening without anti-HBc, whereas four respondents did not screen for either. Deferral strategies for anti-HBc positive donors were highly variable. One transfusion-transmission from an anti-HBc negative donor was reported.</p><p><strong>Discussion: </strong>Anti-HBc screening identifies donors with OBI but also results in the unnecessary deferral of a significant number of donors with resolved HBV infection and donors with false-reactive anti-HBc results. Whilst confirmation of anti-HBc results could be improved to reduce donor deferral, transmission risks associated with anti-HBc negative OBI donors must be considered. In high-endemic areas, highly sensitive HBV DNA testing is required to identify infectious donors.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142366586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TransfusionPub Date : 2024-10-01Epub Date: 2024-08-01DOI: 10.1111/trf.17975
Jacqueline N Poston, Jennifer Andrews, Sumedha Arya, Stella T Chou, Claudia Cohn, Mischa Covington, Elizabeth P Crowe, Ruchika Goel, Gaurav K Gupta, Richard L Haspel, Aaron Hess, Tina S Ipe, Jessica Jacobson, Jenna Khan, Mike Murphy, Kerry O'Brien, Monica B Pagano, Anil K Panigrahi, Eric Salazar, Nabiha H Saifee, Moritz Stolla, Nicole D Zantek, Alyssa Ziman, Ryan A Metcalf
{"title":"Current advances in 2024: A critical review of selected topics by the Association for the Advancement of Blood and Biotherapies (AABB) Clinical Transfusion Medicine Committee.","authors":"Jacqueline N Poston, Jennifer Andrews, Sumedha Arya, Stella T Chou, Claudia Cohn, Mischa Covington, Elizabeth P Crowe, Ruchika Goel, Gaurav K Gupta, Richard L Haspel, Aaron Hess, Tina S Ipe, Jessica Jacobson, Jenna Khan, Mike Murphy, Kerry O'Brien, Monica B Pagano, Anil K Panigrahi, Eric Salazar, Nabiha H Saifee, Moritz Stolla, Nicole D Zantek, Alyssa Ziman, Ryan A Metcalf","doi":"10.1111/trf.17975","DOIUrl":"10.1111/trf.17975","url":null,"abstract":"","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141860988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}