TransfusionPub Date : 2024-09-09DOI: 10.1111/trf.17980
{"title":"Continuing Medical Education","authors":"","doi":"10.1111/trf.17980","DOIUrl":"https://doi.org/10.1111/trf.17980","url":null,"abstract":"","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142181272","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 : 2024-09-06DOI: 10.1111/trf.18005
Caitlin McOmish
{"title":"Keep ahead: A monthly roundup of key articles in other journals","authors":"Caitlin McOmish","doi":"10.1111/trf.18005","DOIUrl":"https://doi.org/10.1111/trf.18005","url":null,"abstract":"","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.9,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142181110","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 : 2024-09-01Epub Date: 2024-07-08DOI: 10.1111/trf.17939
Niels E Clausen, Christian S Meyhoff, Hanne H Henriksen, Anne Lindhardt, Frank C Pott, Thomas Bech Lunen, Mikkel Gybel-Brask, Theis Lange, Pär I Johansson, Jakob Stensballe
{"title":"Plasma as endothelial rescue in septic shock: A randomized, phase 2a pilot trial.","authors":"Niels E Clausen, Christian S Meyhoff, Hanne H Henriksen, Anne Lindhardt, Frank C Pott, Thomas Bech Lunen, Mikkel Gybel-Brask, Theis Lange, Pär I Johansson, Jakob Stensballe","doi":"10.1111/trf.17939","DOIUrl":"10.1111/trf.17939","url":null,"abstract":"<p><strong>Background: </strong>Septic shock is associated with high morbidity and mortality, the endothelium plays an important role. Crystalloids is standard of care to maintain intravascular volume. Plasma is associated with improved endothelial integrity and restoration of the glycocalyx layer. We evaluated the efficacy and safety aspects of cell-free and pathogen inactivated pooled plasma (OctaplasLG®) as resuscitation in septic shock patients.</p><p><strong>Study design and methods: </strong>This randomized, investigator-initiated phase IIa trial ran at a Danish single center intensive care unit, from 2017 to 2019. Patients were 18 years of age or older with septic shock and randomized to fluid optimization with OctaplasLG® or Ringer-acetate in the first 24 h. The primary endpoints were changes in biomarkers indicative of endothelial activation, damage, and microvascular perfusion from baseline to 24 h. Safety events and mortality were assessed during 90 days.</p><p><strong>Results: </strong>Forty-four patients were randomized, 20 to OctaplasLG versus 24 to Ringer-acetate. The median age was 69, and 55% were men. Median Sequential Organ Failure Assessment score was 13. Baseline differences favoring the Ringer-acetate group were observed. The OctaplasLG® group was resuscitated with 740 mL plasma and the Ringer-acetate group with 841 mL crystalloids. There was no significant change in the microvascular perfusion or five biomarkers except VEGFR1 change, which was higher in patients receiving OctaplasLG® 0.12(SD 0.37) versus Ringer-acetate -0.24 (SD 0.39), with mean difference 0.36 (95% CI, 0.13-0.59, p = .003) in favor of Ringer-acetate.</p><p><strong>Discussion: </strong>This study found that fluid resuscitation with OctaplasLG® in critically ill septic shock patients is feasible. Baseline confounding prevented assessment of the potential effect of OctaplasLG®.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141555511","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 : 2024-09-01Epub Date: 2024-08-27DOI: 10.1111/trf.17992
Yvette C Tanhehco
{"title":"Functional biomarkers for sickle cell disease.","authors":"Yvette C Tanhehco","doi":"10.1111/trf.17992","DOIUrl":"10.1111/trf.17992","url":null,"abstract":"","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142073939","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 : 2024-09-01Epub Date: 2024-07-05DOI: 10.1111/trf.17944
Quan Sun, Matthew S Karafin, Melanie E Garrett, Yun Li, Allison Ashley-Koch, Marilyn J Telen
{"title":"A genome-wide association study of alloimmunization in the TOPMed OMG-SCD cohort identifies a locus on chromosome 12.","authors":"Quan Sun, Matthew S Karafin, Melanie E Garrett, Yun Li, Allison Ashley-Koch, Marilyn J Telen","doi":"10.1111/trf.17944","DOIUrl":"10.1111/trf.17944","url":null,"abstract":"<p><strong>Background: </strong>Red cell alloimmunization after exposure to donor red cells is a very common complication of transfusion for patients with sickle cell disease (SCD), resulting frequently in accelerated donor red blood cell destruction. Patients show substantial differences in their predisposition to alloimmunization, and genetic variability is one proposed component. Although several genetic association studies have been conducted for alloimmunization, the results have been inconsistent, and the genetic determinants of alloimmunization remain largely unknown.</p><p><strong>Study design and methods: </strong>We performed a genome-wide association study (GWAS) in 236 African American (AA) SCD patients from the Outcome Modifying Genes in Sickle Cell Disease (OMG-SCD) cohort, which is part of Trans-Omics for Precision Medicine (TOPMed), with whole-genome sequencing data available. We also performed sensitivity analyses adjusting for different sets of covariates and applied different sample grouping strategies based on the number of alloantibodies patients developed.</p><p><strong>Results: </strong>We identified one genome-wide significant locus on chr12 (p = 3.1e-9) with no evidence of genomic inflation (lambda = 1.003). Further leveraging QTL evidence from GTEx whole blood and/or Jackson Heart Study PBMC RNA-Seq data, we identified a number of potential genes, such as ARHGAP9, STAT6, and ATP23, that may be driving the association signal. We also discovered some suggestive loci using different analysis strategies.</p><p><strong>Discussion: </strong>We call for the community to collect additional alloantibody information within SCD cohorts to further the understanding of the genetic basis of alloimmunization in order to improve transfusion outcomes.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11499043/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141535365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TransfusionPub Date : 2024-09-01Epub Date: 2024-07-23DOI: 10.1111/trf.17967
Mark H Yazer, Philip C Spinella, John B Holcomb, Sarah Horvath, Molly R Sherwood, Stephen P Emery, Julie C Leonard, Christine M Leeper
{"title":"A review of attitudes to urgent RhD-positive transfusions in female patients and the risk for hemolytic disease of the fetus and newborn.","authors":"Mark H Yazer, Philip C Spinella, John B Holcomb, Sarah Horvath, Molly R Sherwood, Stephen P Emery, Julie C Leonard, Christine M Leeper","doi":"10.1111/trf.17967","DOIUrl":"10.1111/trf.17967","url":null,"abstract":"","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141752919","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 : 2024-09-01Epub Date: 2024-07-09DOI: 10.1111/trf.17947
Grace M Lee, Kimberly Boyle, Milena Batchvarova, Martha Delahunty, Mark A Suggs, Gowthami M Arepally, Marilyn J Telen
{"title":"Red cell exchange modulates neutrophil degranulation responses in sickle cell disease.","authors":"Grace M Lee, Kimberly Boyle, Milena Batchvarova, Martha Delahunty, Mark A Suggs, Gowthami M Arepally, Marilyn J Telen","doi":"10.1111/trf.17947","DOIUrl":"10.1111/trf.17947","url":null,"abstract":"<p><strong>Background: </strong>Neutrophils in sickle cell disease (SCD) are activated, contributing to disease. Red cell exchange (RCE), with the goal of lowering hemoglobin S (HbS), is an important part of therapy for many SCD patients. Whether RCE impacts neutrophil reactivity is unknown.</p><p><strong>Study design and methods: </strong>To determine the effect of RCE on neutrophil activation, SCD patients undergoing RCE in steady-state were enrolled. Neutrophil degranulation responses were examined before/after RCE. Kinetic studies were completed to determine the duration of the effect of RCE on neutrophil function. Degranulation results were examined in relation to white blood cell count, neutrophil count, and HbS levels. The effect of RCE on RBC phosphatidylserine (PS) exposure was examined as a possible contributor to modulation of neutrophil function by RCE.</p><p><strong>Results: </strong>Twenty-two patients with SCD, genotype SS, who underwent RCE (average pre-RCE HbS 33 ± 14%) were included for the study. RCE significantly decreased neutrophil degranulation responses. The effect of RCE on neutrophil activation was unrelated to cell count and instead directly correlated with HbS. The effect of RCE on neutrophil activation was sustained over several days post-apheresis. Furthermore, while increased RBC PS exposure results in increased neutrophil degranulation, RCE decreases RBC PS exposure.</p><p><strong>Discussion: </strong>To our knowledge, this is the first study demonstrating that RCE significantly decreases neutrophil activation in a sustained HbS-dependent manner. Modulation of PS exposure by RCE may be a contributing mechanism by which RCE modulates neutrophil activation. These studies raise the possibility that modulation of neutrophil activation contributes significantly to the therapeutic effect of RCE.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141559856","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 : 2024-09-01Epub Date: 2024-07-10DOI: 10.1111/trf.17952
Vivian I Avelino-Silva, Roberta Bruhn, Karla G Zurita, Xutao Deng, Elaine A Yu, Eduard Grebe, Mars Stone, Marion C Lanteri, Bryan R Spencer, Michael P Busch, Brian Custer
{"title":"SARS-CoV-2 antibody levels and long COVID occurrence in blood donors.","authors":"Vivian I Avelino-Silva, Roberta Bruhn, Karla G Zurita, Xutao Deng, Elaine A Yu, Eduard Grebe, Mars Stone, Marion C Lanteri, Bryan R Spencer, Michael P Busch, Brian Custer","doi":"10.1111/trf.17952","DOIUrl":"10.1111/trf.17952","url":null,"abstract":"<p><strong>Background: </strong>Long COVID is a common condition lacking consensus definition; determinants remain incompletely understood. Characterizing immune profiles associated with long COVID could support the development of preventive and therapeutic strategies.</p><p><strong>Methods: </strong>We used a survey to investigate blood donors' infection/vaccination history and acute/persistent symptoms following COVID-19. The prevalence of long COVID was evaluated using self-report and an adapted definition from the RECOVER study. We evaluated factors associated with long COVID, focusing on anti-spike and anti-nucleocapsid SARS-CoV-2 antibodies. Lastly, we investigated long COVID clinical subphenotypes using hierarchical clustering.</p><p><strong>Results: </strong>Of 33,610 participants, 16,003 (48%) reported having had COVID-19; 1853 (12%) had self-reported long COVID, 685 (4%) met an adapted RECOVER definition, and 2050 (13%) met at least one definition. Higher anti-nucleocapsid levels measured 12-24 weeks post-infection were associated with higher risk of self-reported and RECOVER long COVID. Higher anti-spike IgG levels measured 12-24 weeks post-infection were associated with lower risk of self-reported long COVID. Higher total anti-spike measured 24-48 weeks post-infection was associated with lower risk of RECOVER long COVID. Cluster analysis identified four clinical subphenotypes; patterns included neurological and psychiatric for cluster 1; neurological and respiratory for cluster 2; multi-systemic for cluster 3; and neurological for cluster 4.</p><p><strong>Discussion: </strong>Long COVID prevalence in blood donors varies depending on the adopted definition. Anti-SARS-CoV-2 antibodies were time-dependently associated with long COVID; higher anti-nucleocapsid levels were associated with higher risk; and higher anti-spike levels were associated with lower risk of long COVID. Different underlying pathophysiologic mechanisms may be associated with distinct clinical subphenotypes.</p>","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141564431","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 : 2024-09-01Epub Date: 2024-08-16DOI: 10.1111/trf.17945
{"title":"Correction to \"Patient and specimen identification in a tertiary care pediatric hospital: Barcodes do not scan themselves\".","authors":"","doi":"10.1111/trf.17945","DOIUrl":"10.1111/trf.17945","url":null,"abstract":"","PeriodicalId":23266,"journal":{"name":"Transfusion","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141992406","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}