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Melemenidis S, Nguyen KD, Baraceros-Pineda R, Barclay CK, Bautista J, Lau HD, Ashraf MR, Manjappa R, Dutt S, Soto LA, Katila N, Lau B, Viswanathan V, Yu AS, Surucu M, Skinner LB, Engleman EG, Loo BW, Pham TD. Rapid Sterilization of Clinical Apheresis Blood Products Using Ultra-High Dose Rate Radiation. Int J Mol Sci 2025; 26:2424. [PMID: 40141066 PMCID: PMC11942528 DOI: 10.3390/ijms26062424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2025] [Revised: 02/28/2025] [Accepted: 03/03/2025] [Indexed: 03/28/2025] Open
Abstract
Blood products, including apheresis platelets and plasma, are essential for medical use but pose risks of bacterial contamination and viral transmission. Platelets are prone to bacterial growth due to their storage conditions, while plasma requires extensive screening. This study explores rapid irradiation as an innovative pathogen reduction method. A clinical linear accelerator was configured to deliver ultra-high dose rate (6 kGy/min) irradiation to platelet and plasma components. Platelets spiked with Escherichia coli (E. coli; 10⁵ colony-forming units) were irradiated at 0.1-20 kGy, followed by bacterial growth and platelet count analysis. COVID-19 convalescent plasma (CCP) was irradiated at 25 kGy, and receptor-binding domain (RBD)-specific immunoglobulins (Ig) were assessed. Irradiation at 1 kGy reduced E. coli growth by 2.7-log without significant platelet loss, while 5 kGy achieved complete suppression. The estimated 6-log bacterial reduction dose (2.3 kGy) led to a 31% platelet count drop. Administering a 25 kGy virus-sterilizing dose to CCP resulted in a 9.2% decrease in RBD-specific IgG binding. This study demonstrates the proof-of-concept for rapid blood sterilization using a clinical linear accelerator. The method maintains platelet counts and CCP antibody binding at sterilizing doses, highlighting its potential as a point-of-care blood product sterilization solution.
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Affiliation(s)
- Stavros Melemenidis
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Khoa D. Nguyen
- Stanford Blood Center, Stanford Health Care, Stanford, CA 94304, USA; (K.D.N.); (C.K.B.); (J.B.); (E.G.E.)
| | - Rosella Baraceros-Pineda
- Department of Health Policy, Center for Innovation to Implementation, Veterans Affairs Health Care, Palo Alto, CA 94304, USA;
| | - Cherie K. Barclay
- Stanford Blood Center, Stanford Health Care, Stanford, CA 94304, USA; (K.D.N.); (C.K.B.); (J.B.); (E.G.E.)
| | - Joanne Bautista
- Stanford Blood Center, Stanford Health Care, Stanford, CA 94304, USA; (K.D.N.); (C.K.B.); (J.B.); (E.G.E.)
| | - Hubert D. Lau
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA;
| | - M. Ramish Ashraf
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Rakesh Manjappa
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Suparna Dutt
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Luis A. Soto
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Nikita Katila
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Brianna Lau
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Vignesh Viswanathan
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Amy S. Yu
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Murat Surucu
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Lawrie B. Skinner
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
| | - Edgar G. Engleman
- Stanford Blood Center, Stanford Health Care, Stanford, CA 94304, USA; (K.D.N.); (C.K.B.); (J.B.); (E.G.E.)
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA;
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA 94305, USA
- Division of Immunology & Rheumatology, Department of Internal Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Billy W. Loo
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA; (S.M.); (M.R.A.); (R.M.); (S.D.); (L.A.S.); (N.K.); (B.L.); (V.V.); (A.S.Y.); (M.S.); (L.B.S.); (B.W.L.)
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Tho D. Pham
- Stanford Blood Center, Stanford Health Care, Stanford, CA 94304, USA; (K.D.N.); (C.K.B.); (J.B.); (E.G.E.)
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA;
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Raquib A, Salman A, Ziaulhaq A, Al-Mamun F, Shaikh Y, Raquib R, Khan FR, Papatheodorou SI, Mamun MA. Geospatial Distribution of HIV Seroprevalence Among Blood Donors in South Asian Countries: A Systematic Review and Meta-Analysis. AIDS Behav 2025; 29:689-701. [PMID: 39601996 DOI: 10.1007/s10461-024-04551-4] [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] [Accepted: 11/04/2024] [Indexed: 11/29/2024]
Abstract
The reliance on replacement blood donors in developing countries has led to an increased prevalence of transfusion-transmitted infections (TTIs), including HIV. This systematic review and meta-analysis aimed to assess the seroprevalence of HIV among blood donors in South Asian countries and disseminate the findings in choropleth maps. In addition, gender-specific prevalence or the yearly trend of HIV prevalence among blood donors was also investigated. Following the PRISMA guidelines, we searched PubMed, Scopus, CAB abstracts, CINAHL, and Google Scholar for articles published between January 2000 and December 2022. The DerSimonian-Laird effect model was used due to the high heterogeneity of the data. Data analysis was performed using R Studio version 4.1.0, ArcGIS, and GraphPad Prism 7.0. The pooled seroprevalence of HIV among blood donors in South Asian countries was found to be 0.13%, with the highest prevalence of 0.19% in India and the lowest prevalence of 0.02% in Bangladesh and Bhutan. Female blood donors had a higher seroprevalence than their male counterparts (0.24%, vs. 0.17%). In contrast to voluntary blood donors with an HIV seroprevalence of 0.13%, replacement blood donors have a higher HIV prevalence of 0.26%. The observed high heterogeneity was attributed to variations in country, gender, type of blood donors, and study year. This study demonstrates a significant burden of HIV among blood donors in South Asia, emphasizing the need for enhanced donor screening protocols, targeted interventions and educational campaigns to ensure the safety of blood transfusion services. Future research should explore additional risk factors and focus on expanding screening methods, particularly in resource-limited settings.
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Affiliation(s)
- Ahsan Raquib
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, Canada
- CHINTA Research Bangladesh, Dhaka, Bangladesh
| | - Afia Salman
- Dow University of Health Sciences, Karachi, Pakistan
| | - Amna Ziaulhaq
- Dow University of Health Sciences, Karachi, Pakistan
| | - Firoj Al-Mamun
- CHINTA Research Bangladesh, Dhaka, Bangladesh
- Department of Public Health & Informatics, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
- Department of Public Health, University of South Asia, Dhaka, Bangladesh
| | | | - Radwan Raquib
- CHINTA Research Bangladesh, Dhaka, Bangladesh
- Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, Bangladesh
| | - Farhana Raiyen Khan
- Faculty of Health Sciences and Wellbeing, University of Sunderland, Sunderland, UK
| | - Stefania I Papatheodorou
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, Piscataway, New Jersey, USA
| | - Mohammed A Mamun
- CHINTA Research Bangladesh, Dhaka, Bangladesh.
- Department of Public Health & Informatics, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh.
- Department of Public Health, University of South Asia, Dhaka, Bangladesh.
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Kopacz A, Kubicka-Russel D, Liszewski G, Sulkowska E, Chrzanowska A, Zwolińska P, Noceń E, Potępa A, Łętowska M, Grabarczyk P. Hepatitis B Virus in Polish Blood Donors in the Period 2005-2019-Significant Changes in Epidemiology and Demographic Characteristics of Infected Donors. Viruses 2025; 17:60. [PMID: 39861849 PMCID: PMC11768870 DOI: 10.3390/v17010060] [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: 11/13/2024] [Revised: 12/20/2024] [Accepted: 12/24/2024] [Indexed: 01/27/2025] Open
Abstract
In the 1980s, Poland was a medium-endemic country, with one of the highest incidences of hepatitis B in Europe (45/105 inhabitants). Pursuant to the WHO guidelines, obligatory vaccination was introduced in 1994-1996 (as a part of hepatitis B prophylaxis for newborns), and in 2000-2011, all 14-year-olds were vaccinated. To prevent transfusion-transmitted HBV infection (TT-HBV), since the 1970s, each donation has been tested for HBsAg and, since 2005, additionally for the presence of HBV DNA. Based on the data from the Blood Transfusion Centers, changes in HBV detection in Polish blood donors were analyzed, starting from the introduction of mandatory NAT screening until 2019. During the period under analysis, a total of 11,625 HBV-infected donors were identified: 97.95% were seropositive (confirmed HBsAg) and 2.05% were seronegative (NAT yields). The detection frequency for both categories of infections was significantly (p = 0.05) higher for men than for women (Residual Risk RR = 1.4 and RR = 2.63, respectively). Seropositive infections were detected more frequently (p < 0.05) in first-time donors than in repeat donors (RR = 360), while no significant differences were observed in the category of seronegative infections. A downward trend in HBsAg detection was observed in both first-time and repeat donors (Spearman's coefficient R = -0.98 and R = -0.90, respectively). The frequency of HBsAg in first-time donors decreased 5-fold, and, in repeat donors, 30-fold. In both subpopulations, the largest decrease occurred in the age group ≤ 20 years (i.e., donors born between 1985 and 2001). The incidence of window period (WP) infections in the repeat donor group demonstrated a downward trend (R = -0.54, p < 0.05), and in the first-time donor group, no significant trend was recorded. For occult hepatitis B infection (OBI), no significant trend was observed in either donor subpopulation. WP infections were detected significantly more often in donors aged 21-50 years than in donors ≤20 years, most often in the 41-50 age group. The frequency of OBI increased with donor age and was the highest in the 51-60 age group. A spectacular decrease in the frequency of HBsAg(+) infections was observed in current study, indicating the effectiveness of the hepatitis prevention strategy applied in Poland. We expect that the improvement in the epidemiological situation among blood donors causes a reduction in the risk of TT-HBV. Confirmation of this hypothesis by the analysis of residual risk should be a subject of further studies.
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Affiliation(s)
- Aneta Kopacz
- Department of Virology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (D.K.-R.); (G.L.); (E.S.); (A.C.); (P.Z.); (E.N.); (A.P.); (P.G.)
| | - Dorota Kubicka-Russel
- Department of Virology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (D.K.-R.); (G.L.); (E.S.); (A.C.); (P.Z.); (E.N.); (A.P.); (P.G.)
| | - Grzegorz Liszewski
- Department of Virology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (D.K.-R.); (G.L.); (E.S.); (A.C.); (P.Z.); (E.N.); (A.P.); (P.G.)
| | - Ewa Sulkowska
- Department of Virology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (D.K.-R.); (G.L.); (E.S.); (A.C.); (P.Z.); (E.N.); (A.P.); (P.G.)
| | - Anna Chrzanowska
- Department of Virology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (D.K.-R.); (G.L.); (E.S.); (A.C.); (P.Z.); (E.N.); (A.P.); (P.G.)
| | - Paulina Zwolińska
- Department of Virology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (D.K.-R.); (G.L.); (E.S.); (A.C.); (P.Z.); (E.N.); (A.P.); (P.G.)
| | - Ewa Noceń
- Department of Virology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (D.K.-R.); (G.L.); (E.S.); (A.C.); (P.Z.); (E.N.); (A.P.); (P.G.)
| | - Anna Potępa
- Department of Virology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (D.K.-R.); (G.L.); (E.S.); (A.C.); (P.Z.); (E.N.); (A.P.); (P.G.)
| | - Magdalena Łętowska
- Department of Transfusion Medicine, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland;
| | - Piotr Grabarczyk
- Department of Virology, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland; (D.K.-R.); (G.L.); (E.S.); (A.C.); (P.Z.); (E.N.); (A.P.); (P.G.)
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Melemenidis S, Nguyen KD, Baraceros-Pineda R, Barclay CK, Bautista J, Lau H, Ashraf MR, Manjappa R, Dutt S, Soto LA, Katila N, Lau B, Visvanathan V, Yu AS, Surucu M, Skinner LB, Engleman EG, Loo BW, Pham TD. Rapid Sterilization of Clinical Apheresis Blood Products using Ultra-High Dose Rate Radiation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.12.14.628469. [PMID: 39713317 PMCID: PMC11661200 DOI: 10.1101/2024.12.14.628469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/24/2024]
Abstract
BACKGROUND AND OBJECTIVES Apheresis platelets products and plasma are essential for medical interventions, but both still have inherent risks associated with contamination and viral transmission. Platelet products are vulnerable to bacterial contamination due to storage conditions, while plasma requires extensive screening to minimize virus transmission risks. Here we investigate rapid irradiation to sterilizing doses for bacteria and viruses as an innovative pathogen reduction technology. MATERIALS AND METHODS We configured a clinical linear accelerator to deliver ultra-high dose rate (6 kGy/min) irradiation to platelet and plasma blood components. Platelet aliquots spiked with 105 CFU of E.coli were irradiated with 0.1-20 kGy, followed by E.coli growth and platelet count assays. COVID Convalescent Plasma (CCP) aliquots were irradiated at a virus-sterilizing dose of 25 kGy and subsequently, RBD-specific antibody binding was assessed. RESULTS 1 kGy irradiation of bacteria-spiked platelets reduced E.coli growth by 2.7-log without significant change of platelet count, and 5 kGy or higher produced complete growth suppression. The estimated sterilization (6-log bacterial reduction) dose was 2.3 kGy, corresponding to 31% platelet count reduction. A 25 kGy virus sterilizing dose to CCP produced a 9.2% average drop of RBD-specific IgG binding. CONCLUSION This study shows proof-of-concept of a novel rapid blood sterilization technique using a clinical linear accelerator. Promising platelet counts and CCP antibody binding were maintained at bacteria and virus sterilizing doses, respectively. This represents a potential point-of-care blood product sterilization solution. If additional studies corroborate these findings, this may be a practical method for ensuring blood products safety.
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Affiliation(s)
- Stavros Melemenidis
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Khoa D. Nguyen
- Stanford Blood Center, Stanford Health Care, Stanford, California, USA
| | - Rosella Baraceros-Pineda
- Department of Health Policy, Center for Innovation to Implementation, Veterans Affairs Health Care, Palo Alto, California, USA
| | - Cherie K. Barclay
- Stanford Blood Center, Stanford Health Care, Stanford, California, USA
| | - Joanne Bautista
- Stanford Blood Center, Stanford Health Care, Stanford, California, USA
| | - Hubert Lau
- Department of Health Policy, Center for Innovation to Implementation, Veterans Affairs Health Care, Palo Alto, California, USA
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA
| | - M. Ramish Ashraf
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Rakesh Manjappa
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Suparna Dutt
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Luis Armando Soto
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Nikita Katila
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Brianna Lau
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Vignesh Visvanathan
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Amy S. Yu
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Murat Surucu
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Lawrie B. Skinner
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
| | - Edgar G. Engleman
- Stanford Blood Center, Stanford Health Care, Stanford, California, USA
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California, USA
- Division of Immunology & Rheumatology, Department of Internal Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Billy W. Loo
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California, USA
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California, USA
| | - Tho D. Pham
- Stanford Blood Center, Stanford Health Care, Stanford, California, USA
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA
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Xie J, Li Z, Liang H, Huang Z, Du R, Gao W, Huang B, Liao F, Rong X, Fu Y, Nie Y, Liang H, Wang H. Prevalence, incidence, and residual risk for human immunodeficiency virus among blood donors from 2003 to 2022 in Guangzhou, China. Transfusion 2024; 64:2157-2167. [PMID: 39387542 DOI: 10.1111/trf.18025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 08/24/2024] [Accepted: 09/03/2024] [Indexed: 10/15/2024]
Abstract
BACKGROUND China's significant population affected by HIV poses a substantial threat to blood transfusion safety. Despite advancements in blood testing techniques, a residual risk of HIV transmission persists. Accurately assessing HIV epidemic and the residual risk is vital for monitoring blood supply safety and evaluating the effectiveness of new screening tests. METHODS We conducted a retrospective analysis of HIV detection results among voluntary blood donors from 2003 to 2022. The study included data on HIV-confirmed positive donors, HIV prevalence, infection risk factors, and an incidence-window period mathematical model to estimate the residual risk of HIV. RESULTS Between 2003 and 2022, HIV prevalence among blood donors in Guangzhou showed a peak-shaped trend, initially increasing before declining. The overall HIV prevalence was 18.9 infections per 100,000 donations. Male donors had a significantly higher prevalence compared with female donors. Donors aged 26-35 years had the highest prevalence. Ethnic minority donors had a higher prevalence compared with Han donors. Repeat donors had a lower prevalence compared with first-time donors. Donors from other provinces had a higher prevalence compared with local donors. During the period of 2003 to 2022, the residual risk of HIV in Guangzhou steadily decreased, reaching a notable 1 in 526,316 donations in the past two years. CONCLUSION The HIV epidemic among blood donors in Guangzhou remains severe, but the residual risk of HIV is decreasing. Novel detection methods have proven advantageous in reducing this residual risk. Implementing additional effective measures is imperative to ensure blood safety and curb the spread of HIV.
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Affiliation(s)
- Junmou Xie
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Zhongping Li
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Haojian Liang
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Zhijian Huang
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Rongsong Du
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Wenbo Gao
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Boquan Huang
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Fenfang Liao
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Xia Rong
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Yongshui Fu
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
- Department of Blood Transfusion, Guangzhou First People's Hospital, Guangzhou, Guangdong, China
| | - Yongmei Nie
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Huaqin Liang
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
| | - Hao Wang
- Guangzhou Blood Center, Guangzhou, China
- The Key Medical Laboratory of Guangzhou, Guangzhou, China
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6
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Zhang Q, Mei Z, Wei L, Liu D, Xie C, Xu Y. Prevalence and Trends of Transfusion-Transmissible HBV Infection Among Blood Donors in Southwestern China: A Six-Year Retrospective Study. Int J Gen Med 2024; 17:3907-3918. [PMID: 39257611 PMCID: PMC11385688 DOI: 10.2147/ijgm.s472609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 08/17/2024] [Indexed: 09/12/2024] Open
Abstract
Objective Hepatitis B virus (HBV) infection is a significant global public health concern, with variable prevalence rates across regions. The prevalence of transfusion-transmitted HBV infection (TT-HBV) via donated blood necessitates an evaluation of blood safety and potential risks to the population. This study assessed the prevalence of HBV infection among blood donors in Southwestern China over 6 years. Methods We analyzed 903,023 blood donations from a central blood center in Southwestern China between January 2017 and December 2022. The prevalence of HBV in donations was determined for one-time and repeat donors, considering birth cohorts and covariates. Demographic characteristics, donation frequency, and anti-HBV antibody status were analyzed to estimate the incidence of TT-HBV. Results One-time donors provided 47.78% of the samples, and 52.22% were from repeat donors. The HBV prevalence decreased from 1.0% in 2017 to 0.87% in 2022 in one-time donors and from 0.30% to 0.09%, respectively, in repeat donors. A significantly lower HBV prevalence was identified in the post-1992 birth cohort (0.33%) than in the pre-1992 birth cohort (1.67%). The estimated incidences of TT-HBV occurring from one-time donors, repeat donors, post-1992 birth cohort donors, and pre-1992 birth cohort donors were 20.76, 13.84, 0.82, and 20.98 per 104 person-years, respectively. Conclusion Our findings indicate a decreasing trend in HBV prevalence among blood donors in Southwestern China over the 6-year study period. This decline may be attributed to the widespread administration of HBV vaccinations and stringent screening measures implemented by blood donation centers. Continuous monitoring for HBV among blood donors is necessary to evaluate the effectiveness of preventive measures and inform future strategies to reduce transmission.
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Affiliation(s)
- Qiaolin Zhang
- Department of Clinical Laboratory, Chongqing Blood Center, Chongqing, People's Republic of China
| | - Zhu Mei
- Department of Clinical Laboratory, The First People's Hospital of Chongqing Liangjiang New Area, Chongqing, People's Republic of China
| | - Lan Wei
- Department of Clinical Laboratory, Chongqing Blood Center, Chongqing, People's Republic of China
| | - Dong Liu
- Department of Clinical Laboratory, Chongqing Blood Center, Chongqing, People's Republic of China
| | - Chengbing Xie
- Department of Clinical Laboratory, Chongqing Blood Center, Chongqing, People's Republic of China
| | - Yongzhu Xu
- Department of Clinical Laboratory, Chongqing Blood Center, Chongqing, People's Republic of China
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O'Brien SF, Ehsani-Moghaddam B, Osmond L, Fan W, Goldman M, Drews SJ. Epidemiology of Hepatitis C over 28 years of monitoring Canadian blood donors: Insight into a low-risk undiagnosed population. BMC Public Health 2024; 24:2319. [PMID: 39192303 PMCID: PMC11348590 DOI: 10.1186/s12889-024-19790-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 08/13/2024] [Indexed: 08/29/2024] Open
Abstract
BACKGROUND Hepatitis C is a blood-borne infection with the hepatitis C virus (HCV) that can progress to cirrhosis and liver cancer. About 70% (50-80%) of infections become chronic and exhibit anti-HCV and HCV nucleic acid (NAT) positivity. Direct acting oral pan genotypic antiviral treatment became available in 2014 and was free for most Canadians in 2018. Clinical screening for HCV infection is risk-based. About 1% of Canadians have been infected with HCV, with 0.5% chronically infected (about 25% unaware) disproportionately impacting marginalized groups. Blood donors are in good health, are deferred for risks such as injection drug use and can provide insight into the low-risk undiagnosed population. Here we describe HCV epidemiology in first-time blood donors over 28 years of monitoring. METHODS All first-time blood donors in all Canadian provinces except Quebec (1993 to 2021) were analyzed. All blood donations were tested for HCV antibodies (anti-HCV) and since late 1999 also HCV NAT. A case-control study was also included. All HCV positive donors (cases) since 2005 and HCV negative donors (1:4 ratio controls) matched for age, sex and location were invited to complete a risk factor interview. Separate logistic regression models for anti-HCV positivity and chronic HCV assessed the association between age cohort, sex, region and neighbourhood material deprivation and ethnocultural concentration. CASE control data were analysed by logistic regression. RESULTS There were 2,334,238 donors from 1993 to 2021 included. Prevalence for anti-HCV was 0.33% (0.30,0.37) in 1993 and 0.07% (0.05,0.09) in 2021 (p < 0.0001). In 2021 0.03% (0.01,0.04) had chronic HCV. Predictors for both anti-HCV positivity and chronic HCV were similar, for chronic HCV were male sex (OR 1.8, 1.6,2.1), birth between 1945 and 1975 (OR 7.1, 5.9,8.5), living in the western provinces (OR 1.4, 1.2,1.7) and living in material deprived (OR 2.7, 2.1,3.5) and more ethnocultural concentrated neighbourhoods (OR 1.8, 1.3,2.5). There were 318 (35.4%) of chronic HCV positive and 1272 (39.6%) of controls who participated in case control interviews. The strongest risks for acquisition were injection drug use (OR 96.9, 22.3,420.3) and birth in a high prevalence country (OR 24.5, 11.2,53.6). CONCLUSIONS Blood donors have 16 times lower HCV prevalence then the general population. Donors largely mirror population trends and highlight the ongoing prevalence of untreated infections in groups without obvious risks for acquisition missed by risk-based patient screening.
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Affiliation(s)
- Sheila F O'Brien
- Epidemiology & Surveillance, Canadian Blood Services, 1800 Alta Vista Drive, Ottawa, ON, K1G 4J5, Canada.
- School of Epidemiology & Public Health, University of Ottawa, 600 Peter Morand Crescent, Ottawa, ON, K1G 4J5, Canada.
| | - Behrouz Ehsani-Moghaddam
- Epidemiology & Surveillance, Canadian Blood Services, 1800 Alta Vista Drive, Ottawa, ON, K1G 4J5, Canada
- Centre for Studies in Primary Care, Department of Family Medicine, Queens University, 220 Bagot Street, Kingston, ON, K7L 3G2, Canada
| | - Lori Osmond
- Epidemiology & Surveillance, Canadian Blood Services, 1800 Alta Vista Drive, Ottawa, ON, K1G 4J5, Canada
| | - Wenli Fan
- Epidemiology & Surveillance, Canadian Blood Services, 1800 Alta Vista Drive, Ottawa, ON, K1G 4J5, Canada
| | - Mindy Goldman
- Donation and Policy Studies, Canadian Blood Services, 1800 Alta Vista Drive, Ottawa, ON, K1G 4J5, Canada
- Department of Pathology & Laboratory Medicine, Faculty of Medicine, University of Ottawa, 600 Peter Morand Crescent, Ottawa, ON, K1G 5Z3, Canada
| | - Steven J Drews
- Microbiology, Canadian Blood Services, 8249-114 Street, Edmonton, AB, T6G 2R8, Canada
- Department of Laboratory Medicine & Pathology, Faculty of Medicine & Dentistry, University of Alberta, 118 Street & 86 Avenue, Edmonton, AB, T6G 2R3, Canada
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8
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Elliott S, Flynn E, Mathew S, Hajarizadeh B, Martinello M, Wand H, Ward J. Prevalence of hepatitis C virus exposure and infection among Indigenous and tribal populations: a global systematic review and meta-analysis. Public Health 2024; 233:65-73. [PMID: 38850603 DOI: 10.1016/j.puhe.2024.04.035] [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: 12/09/2023] [Revised: 04/23/2024] [Accepted: 04/25/2024] [Indexed: 06/10/2024]
Abstract
OBJECTIVES The objective of this study was to estimate prevalence of hepatitis C virus (HCV) exposure and infection among Indigenous and tribal populations globally. STUDY DESIGN Systematic review and meta-analysis. METHODS We systematically searched bibliographic databases and grey literature (1/01/2000-16/06/2022). Prevalence estimates were synthesised overall, by World Health Organization region and HCV-risk group. For studies with comparator populations, prevalence ratios were estimated and pooled. RESULTS Ninety-two studies were included. Globally, among general Indigenous and tribal populations, the median prevalence of HCV antibody (HCV Ab) was 1.3% (interquartile range [IQR]: 0.3-3.8%, I2 = 98.5%) and HCV RNA was 0.4% (IQR: 0-1.3%, I2 = 96.1%). The Western Pacific Region had the highest prevalence (HCV Ab: median: 3.0% [IQR: 0.4-11.9%], HCV RNA: median 5.6% [IQR: 2.0-8.8%]). Prevalence was highest in people who injected drugs (HCV Ab: median: 59.5%, IQR: 51.5-67.6%, I2 = 96.6%; and HCV RNA: median: 29.4%, IQR: 21.8-35.2%, I2 = 97.2%). There was no association between HCV Ab prevalence and Indigenous/tribal status for general populations (prevalence ratio = 0.91; 95% CI: 0.56, 1.49) or key risk groups. CONCLUSIONS Indigenous and tribal peoples from the Western Pacific Region and recognised at-risk sub-populations had higher HCV prevalence. HCV prevalence showed no association with Indigenous/tribal status. However, this review was limited by heterogeneity and poor quality of constituent studies, varying definitions of Indigenous/tribal status, regional data gaps, and limited studies on chronic infection (HCV RNA). Comprehensive quality evidence on HCV epidemiology in Indigenous and tribal peoples is needed to tailor preventive and treatment interventions so these populations are not left behind in elimination efforts.
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Affiliation(s)
- S Elliott
- Poche Centre for Indigenous Health, University of Queensland, Brisbane, Queensland, Australia.
| | - E Flynn
- Poche Centre for Indigenous Health, University of Queensland, Brisbane, Queensland, Australia; South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - S Mathew
- Poche Centre for Indigenous Health, University of Queensland, Brisbane, Queensland, Australia
| | - B Hajarizadeh
- Kirby Institute, UNSW, Sydney, New South Wales, Australia
| | - M Martinello
- Kirby Institute, UNSW, Sydney, New South Wales, Australia
| | - H Wand
- Kirby Institute, UNSW, Sydney, New South Wales, Australia
| | - J Ward
- Poche Centre for Indigenous Health, University of Queensland, Brisbane, Queensland, Australia
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9
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Quintas AE, Cuboia N, Cordeiro L, Sarmento A, Azevedo L. Seroprevalence of human immunodeficiency virus in African blood donors: a systematic review and meta-analysis. EBioMedicine 2024; 105:105210. [PMID: 38941957 PMCID: PMC11260585 DOI: 10.1016/j.ebiom.2024.105210] [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: 12/19/2023] [Revised: 05/07/2024] [Accepted: 06/04/2024] [Indexed: 06/30/2024] Open
Abstract
BACKGROUND In developing countries, the safety of blood transfusions remains an important public health concern as it is associated with a higher risk of transfusion-transmissible infections (TTIs). In this study, we aimed to estimate the seroprevalence of HIV among blood donors in Africa and assess the temporal trends and regional differences within the continent through a systematic review and meta-analysis. METHODS Seven electronic databases (PubMed, Web of Science, Cochrane, Scopus, HINARI, Global Index Medicus and Clinical. TRIAL gov) were searched for relevant studies for our research. We included all primary studies that estimated the seroprevalence of HIV among blood donors in Africa with an age population from 16 to 65 years old, without language restrictions, from inception up to March 1st 2024. The pooled seroprevalence was estimated through the DerSimonian-Laird random effects model. The temporal trends and regional differences were assessed through subgroup and meta-regression analysis. FINDINGS We obtained 122 studies that met our inclusion criteria, comprising 7,814,996 blood donors tested for HIV. Sixty-six percent of the studies were from Western and Eastern Africa. The pooled seroprevalence of HIV among blood donors in Africa was 2.66% (95% CI: 2.17-3.20%; I2 = 99.80%, p < 0.01). The highest prevalence was observed in the Central African region, 3.28% (95% CI: 2.57%-4.06%), followed by the Eastern 3.21% (95% CI: 2.12%-4.52%), and the Western 2.66% (95% CI: 1.93%-3.49%) regions. Lower prevalences were observed in the Northern region, 0.57% (95% CI: 0.0%-2.10%), followed by the Southern African region with 0.45% (95% CI: 0.16%-0.86%). We observed a temporal decreased trend of HIV prevalence. INTERPRETATION The prevalence of HIV infection among African blood donors remains high and is not homogeneous across the continent. Efficient measures to strengthen HIV testing and prevent HIV transmission through blood transfusion are needed in Africa. Systematic review protocol registration: PROSPERO CRD42023395616. FUNDING This article was supported by National Funds through FCT - Fundação para a Ciência e a Tecnologia,I.P., within CINTESIS, R&D Unit (reference UIDP/4255/2020).
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Affiliation(s)
- Angelina Edna Quintas
- MEDCIDS, Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine of the University of Porto, Porto, Portugal; CINTESIS@RISE-Center for Health Technology and Services Research (CINTESIS) & Health Research Network Associated Laboratory (RISE) Faculty of Medicine, University of Porto, Porto, Portugal.
| | - Nelson Cuboia
- MEDCIDS, Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine of the University of Porto, Porto, Portugal; CINTESIS@RISE-Center for Health Technology and Services Research (CINTESIS) & Health Research Network Associated Laboratory (RISE) Faculty of Medicine, University of Porto, Porto, Portugal.
| | - Lemuel Cordeiro
- Department of Education Office, Clínica Girassol, Luanda, Angola.
| | - António Sarmento
- CHUSJ, Infectious Diseases Service at the University Hospital Center of São João, Portugal.
| | - Luís Azevedo
- MEDCIDS, Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine of the University of Porto, Porto, Portugal; CINTESIS@RISE-Center for Health Technology and Services Research (CINTESIS) & Health Research Network Associated Laboratory (RISE) Faculty of Medicine, University of Porto, Porto, Portugal.
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10
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Kourout M, Espich S, Fisher C, Tiper I, Purkayastha A, Smith S, Santana-Quintero L, Duncan R. Multiplex detection and identification of viral, bacterial, and protozoan pathogens in human blood and plasma using an expanded high-density resequencing microarray platform. Front Mol Biosci 2024; 11:1419213. [PMID: 38966129 PMCID: PMC11222771 DOI: 10.3389/fmolb.2024.1419213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 05/23/2024] [Indexed: 07/06/2024] Open
Abstract
Introduction: Nucleic acid tests for blood donor screening have improved the safety of the blood supply; however, increasing numbers of emerging pathogen tests are burdensome. Multiplex testing platforms are a potential solution. Methods: The Blood Borne Pathogen Resequencing Microarray Expanded (BBP-RMAv.2) can perform multiplex detection and identification of 80 viruses, bacteria and parasites. This study evaluated pathogen detection in human blood or plasma. Samples spiked with selected pathogens, each with one of 6 viruses, 2 bacteria and 5 protozoans were tested on this platform. The nucleic acids were extracted, amplified using multiplexed sets of primers, and hybridized to a microarray. The reported sequences were aligned to a database to identify the pathogen. To directly compare the microarray to an emerging molecular approach, the amplified nucleic acids were also submitted to nanopore next generation sequencing (NGS). Results: The BBP-RMAv.2 detected viral pathogens at a concentration as low as 100 copies/ml and a range of concentrations from 1,000 to 100,000 copies/ml for all the spiked pathogens. Coded specimens were identified correctly demonstrating the effectiveness of the platform. The nanopore sequencing correctly identified most samples and the results of the two platforms were compared. Discussion: These results indicated that the BBP-RMAv.2 could be employed for multiplex detection with potential for use in blood safety or disease diagnosis. The NGS was nearly as effective at identifying pathogens in blood and performed better than BBP-RMAv.2 at identifying pathogen-negative samples.
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Affiliation(s)
- Moussa Kourout
- Division of Emerging and Transfusion Transmitted Diseases, Office of Blood Research and Review, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States
| | - Scott Espich
- Division of Emerging and Transfusion Transmitted Diseases, Office of Blood Research and Review, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States
| | - Carolyn Fisher
- Division of Emerging and Transfusion Transmitted Diseases, Office of Blood Research and Review, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States
| | - Irina Tiper
- Division of Emerging and Transfusion Transmitted Diseases, Office of Blood Research and Review, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States
| | | | - Sean Smith
- HIVE Team, Office of Biostatistics and Pharmacovigilance, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States
| | - Luis Santana-Quintero
- HIVE Team, Office of Biostatistics and Pharmacovigilance, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States
| | - Robert Duncan
- Division of Emerging and Transfusion Transmitted Diseases, Office of Blood Research and Review, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States
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11
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Conti G, Notari E, Dodd RY, Kessler D, Custer B, Bruhn R, Reik R, Yang H, Whitaker B, Stramer SL. Changes in transfusion-transmissible infection prevalence and demographics among US blood donors during the COVID-19 pandemic. Transfusion 2024; 64:1040-1049. [PMID: 38661249 PMCID: PMC11144079 DOI: 10.1111/trf.17851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 04/08/2024] [Accepted: 04/11/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND The COVID-19 pandemic impacted the US blood supply. We compared blood donor demography and infectious disease prevalence before and during the pandemic using a large multicenter database. METHODS Data were categorized as "Before COVID-19" (March 2018-February 2020) or "During COVID-19" (March 2020-February 2022). Donor demographics, donation frequency, and infectious marker prevalence of HIV, HBV, and HCV were compared for the two time periods. The odds of a donor testing positive for these infections among the two time periods were calculated using multivariable logistic regression. RESULTS Our study assessed a total of 26,672,213 donations including 13,430,380 before and 13,241,833 during COVID-19. There were significantly more donations from donors who were female, aged 40 and older, white, and repeat, during COVID-19. Donation frequency comparison quantified the increase in donations from donors who were white, female, older, and repeat during the pandemic. The prevalence of HIV and HCV decreased significantly during COVID-19 compared to before, but not for HBV. For HIV, the adjusted odds of infection during the pandemic did not differ but for HBV, the odds were significantly more likely during the pandemic and were significantly lower for HCV. DISCUSSION Demographics and infectious disease marker prevalence changed during the COVID-19 pandemic in the United States. Prevalence of each infection in the donor population will continue to be monitored to determine if changes were specific to the pandemic period.
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Affiliation(s)
| | | | | | | | - Brian Custer
- Vitalant Research Institute, San Francisco, CA
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
| | | | | | - Hong Yang
- US Food and Drug Administration, Silver Spring, MD
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12
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Forkin KT, Guinn NR, Warner MA, Panigrahi AK. Addressing Patient Concerns with Blood Transfusion from Donors Vaccinated Against COVID-19: A Clinician Primer. Anesthesiology 2024; 140:1020-1025. [PMID: 38457190 DOI: 10.1097/aln.0000000000004913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Patient requests to avoid blood products from donors vaccinated against COVID-19 are on the rise. This primer provides the educational resources and tools for clinicians discussing these concerns with their patients, particularly in the perioperative period.
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Affiliation(s)
- Katherine T Forkin
- Department of Anesthesiology, University of Virginia Health, Charlottesville, Virginia
| | - Nicole R Guinn
- Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina
| | - Matthew A Warner
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
| | - Anil K Panigrahi
- Department of Anesthesiology and Pathology, Stanford University Medical Center, Stanford, California
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13
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Kim HJ, Ko DH. Transfusion-transmitted infections. Blood Res 2024; 59:14. [PMID: 38607595 PMCID: PMC11014835 DOI: 10.1007/s44313-024-00014-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 04/04/2024] [Indexed: 04/13/2024] Open
Abstract
The risk of transfusion-transmitted infection (TTI) has always existed because transfused blood products are biological materials derived from humans. To prevent TTIs, screening strategies have been developed for various infectious diseases, such as hepatitis B virus, hepatitis C virus, and human immunodeficiency virus, contributing significantly to reducing TTI globally. Nevertheless, septic transfusion reactions (STRs) due to bacterial contamination remain an unresolved issue. Various infectious diseases can be transmitted through blood products, and preventive and selective screening strategies have been applied across different regions. Although multiple strategies, including culture-based and rapid detection kit-based methods, have been introduced to overcome STRs, complete prevention has not yet been achieved. Recently, pathogen inactivation methods have been developed to eliminate non-specific organisms rather than screening specific organisms. This approach is anticipated to contribute significantly to diminishing the risk of TTIs in the future.
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Affiliation(s)
- Han Joo Kim
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro, Songpa-Gu, Seoul, 05505, Korea
| | - Dae-Hyun Ko
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro, Songpa-Gu, Seoul, 05505, Korea.
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14
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Burananayok S, Nachatri W, Choothanorm P, Kusolthammarat K, Jaruthamsophon K, Yodsawad C, Limsakul P, Charupanit K. COVID-19 impact on blood donor characteristics and seroprevalence of transfusion-transmitted infections in southern Thailand between 2018 and 2022. Sci Rep 2024; 14:7920. [PMID: 38575642 PMCID: PMC10995202 DOI: 10.1038/s41598-024-57584-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 03/19/2024] [Indexed: 04/06/2024] Open
Abstract
Blood safety is a critical aspect of healthcare systems worldwide involving rigorous screening, testing, and processing protocols to minimize the risk of transfusion-transmitted infections (TTIs). The present study offers a comprehensive assessment of the prevalence of hepatitis B virus (HBV), hepatitis C virus (HCV), human immunodeficiency virus (HIV), and syphilis among blood donors in southern Thailand. It explores the consequences of the COVID-19 pandemic on the blood transfusion service, donor characteristics, and the prevalence of TTIs. A retrospective analysis of 65,511 blood donors between 2018 and 2022 was conducted at Songklanagarind Hospital, Thailand. The socio-demographic characteristics of the donors were examined using the Chi-square test to assess the relationship between TTIs serological positivity and donor characteristics. The donors were divided into pre-COVID-19 (2018-2019) and during COVID-19 (2020-2022) groups to evaluate the impacts of COVID-19. The study found that HBV had the highest overall prevalence at 243 per hundred thousand (pht), followed by syphilis (118 pht), HCV (32 pht), and HIV (31 pht) over a five-year period of study. After COVID-19, the prevalence of HBV decreased by 21.8%; HCV decreased by 2.1%; HIV increased by 36.4%; and syphilis increased by 9.2%. The socio-demographic characteristics and TTIs prevalence were significantly altered over time. This study provides insights into blood donor characteristics and TTIs prevalence in southern Thailand, highlighting the understanding of the impact of COVID-19 on the spread of TTIs.
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Affiliation(s)
- Suparat Burananayok
- Blood Bank and Transfusion Medicine Unit, Department of Pathology, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Wilaiwan Nachatri
- Blood Bank and Transfusion Medicine Unit, Department of Pathology, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Pimpilalai Choothanorm
- Blood Bank and Transfusion Medicine Unit, Department of Pathology, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Kantarat Kusolthammarat
- Blood Bank and Transfusion Medicine Unit, Department of Pathology, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Kanoot Jaruthamsophon
- Blood Bank and Transfusion Medicine Unit, Department of Pathology, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
- Human Genetic Unit, Department of Pathology, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Chaninporn Yodsawad
- Blood Bank and Transfusion Medicine Unit, Department of Pathology, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Praopim Limsakul
- Division of Physical Science, Faculty of Science, Prince of Songkla University, Songkhla, Thailand
- Center of Excellence for Trace Analysis and Biosensor (TAB-CoE), Faculty of Science, Prince of Songkla University, Songkhla, Thailand
| | - Krit Charupanit
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand.
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15
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Chen J, Wang F, Li J, Zuo Q, Wu D, Xiao C. Clinical trial and performance evaluation of the Wantai HBsAg (CMIA) diagnostic kit for screening blood donors in China. Sci Rep 2024; 14:1891. [PMID: 38307913 PMCID: PMC10837135 DOI: 10.1038/s41598-024-51910-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 01/11/2024] [Indexed: 02/04/2024] Open
Abstract
In China, according to the 'Technical Operating Procedures for Blood Stations (2019 Edition),' blood stations are authorized to utilize Chemiluminescence Immunoassay (CLIA) to detect pathogen markers linked with transfusion-transmissible infections. However, currently, there is no approved CLIA reagent for the screening of blood-borne diseases in China, specifically for the detection of Hepatitis B surface antigen. The objective of this research project is to conduct a comprehensive evaluation of the performance of the Wantai Chemiluminescent Microparticle Hepatitis B surface antigen reagent. This study evaluates the performance of the Wantai Chemiluminescent Microparticle Immunoassay (CMIA) on the Wan200 + analyzer in screening for Hepatitis B Surface Antigen (HBsAg) in blood samples. The clinical trial component of this evaluation is included as part of the documentation submitted to the National Medical Products Administration (NMPA) of China for the approval of blood screening reagents. The evaluation plan of this study encompasses two main components: clinical trials and performance assessment. We adopted a controlled trial design, utilizing the WanTai Chemiluminescent Microparticle Immunoassay (CMIA) on the Wan200 + analyzer and the Enzyme-Linked Immunosorbent Assay (ELISA) to screen for Hepatitis B Surface Antigen (HBsAg) in routine blood donor samples and reference serum panel samples. To ensure the accuracy of the screening, we additionally employed Abbott's ELISA reagents and HBV DNA for validation. The assessment primarily focused on key performance indicators such as sensitivity, specificity, and analytical sensitivity. Moreover, this clinical trial data has been included as part of the submission to China's National Medical Products Administration (NMPA). In the clinical trials of this study, a total of 10,470 blood donor samples underwent simultaneous testing using both CMIA and ELISA methods. Across two clinical trials, there was remarkable concordance between CMIA and the two ELISA reagents, with Kappa values exceeding 0.82. Among the 269 samples that were double-reactive in the enzyme immunoassay (ELISA) tests, CMIA exhibited a 100% reactivity detection rate. However, CMIA produced 14 and 6 false-positive results in the respective clinical trials, resulting in specificities of 99.73% and 99.89%. In contrast, the specificities for Wantai ELISA and Xin Chuang ELISA were both greater than 99.94%.When testing samples in the gray zone serum plates, CMIA's detection limit significantly exceeded that of the two ELISA assays. CMIA had a detection cutoff of 0.05 IU/mL, while the two ELISA reagents had cutoffs of 0.1 IU/mL and 0.09 IU/mL, respectively. CMIA's detection limits for the adr and adw subtypes were 0.05 IU/mL, and for the ay subtype, it was 0.1 U/mL. The detection limit for 10 HBV mutant samples was 0.5 U/mL. In 165 cases where ELISA tested negative but HBV DNA tested positive, CMIA detected 5 HBsAg-positive samples. This study evaluated the performance of the Wantai CMIA in screening for HBsAg among blood donors. The results demonstrate outstanding performance of CMIA in both clinical trials and performance assessments, detecting all true positive samples with a sensitivity of 100%. It exhibits excellent concordance with the two ELISA assays. Of particular note is its superiority in early detection of HBsAg in the screening of early-stage hepatitis B infections, reducing the window period compared to ELISA. CMIA achieves a specificity exceeding 99.73% for negative blood donors, aligning with the European Union's standards for blood screening assay specificity. In summary, Wantai's CMIA displays high sensitivity and specificity in blood donor screening, making it suitable for screening blood donors in China.
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Affiliation(s)
- Jianfeng Chen
- Shandong Blood Center, Jinan, 250014, Shandong, China
| | - Fengtian Wang
- Shandong Blood Center, Jinan, 250014, Shandong, China
| | - Jiaxing Li
- Shandong Blood Center, Jinan, 250014, Shandong, China
| | - Qi Zuo
- Shandong Blood Center, Jinan, 250014, Shandong, China
| | - Dandan Wu
- Shandong Blood Center, Jinan, 250014, Shandong, China
| | - Chen Xiao
- Shandong Blood Center, Jinan, 250014, Shandong, China.
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16
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Sánchez-Guzmán MDJ, Loyola-Cruz MÁ, López-Ornelas A, Cruz-Cruz C, Durán-Manuel EM, Bello-López JM. In situ and in vitro evaluation of two antiseptics for blood bank based on chlorhexidine gluconate/isopropyl alcohol and povidone-iodine. Transfus Apher Sci 2024; 63:103854. [PMID: 38061923 DOI: 10.1016/j.transci.2023.103854] [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: 03/30/2023] [Revised: 11/03/2023] [Accepted: 11/22/2023] [Indexed: 03/10/2024]
Abstract
BACKGROUND Poor disinfection is the main cause of blood contamination, so its elimination is key to limiting the entry of bacteria into the collection system. With the advancement of antiseptic technology, antiseptics with sterile, disposable applicators are now available. AIM To evaluate in situ two antiseptics (with and without applicators) for blood banks and to demonstrate in vitro antiseptic activity on bacterial biofilms of importance in transfusion medicine. METHODS Antiseptic A (2% sterile solution of chlorhexidine gluconate/70% isopropyl alcohol provided with applicator) and bulk antiseptic B (10% povidone-iodine) were evaluated. The deferred blood donor arms were subjected to disinfection with antiseptics A and B and the contralateral arms were cultured to determine the baseline bacterial load (control). Antiseptic activity was assessed by ANOVA and logaritmic reduction values (LRV) and percentage reduction values (PRV) were calculated. Finally, the in vitro activity of antiseptic A was analyzed by confocal laser scanning microscopy (CLSM) on biofilm models. RESULTS Prior to disinfection tests, commensal and clinically important bacteria were identified; antiseptic A showed post-disinfection bacterial growth rates of zero compared to controls (p < 0.0001). The frequency of bacterial growth with antiseptic B was 74%. A significant difference was identified between both antiseptics, where antiseptic A showed higher activity (p < 0.5468). LRV and PRV were 0.6-2.5/100% and 0.3-1.7/66.7-99.7% for antiseptics A and B, respectively. Through CLSM, disinfectant A (without applicator) showed lower in vitro antiseptic activity on the tested biofilms at the exposure times recommended by the manufacturer. CONCLUSIONS Sterile solution of chlorhexidine gluconate/isopropyl alcohol with applicator showed advantages disinfection in deferred blood donors over povidone-iodine.
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Affiliation(s)
- María de Jesús Sánchez-Guzmán
- División de Investigación, Hospital Juárez de México, Mexico City, Mexico; Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Mexico City, Mexico
| | | | | | - Clemente Cruz-Cruz
- División de Investigación, Hospital Juárez de México, Mexico City, Mexico; Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Mexico City, Mexico
| | - Emilio Mariano Durán-Manuel
- División de Investigación, Hospital Juárez de México, Mexico City, Mexico; Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Mexico City, Mexico
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17
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Santos APA, Rios DRA, Trindade CLC, Oliveira FEG, Oliveira MB, de Melo SN, Belo VS. Prevalence, incidence, risk factors and residual risk associated with viral infections among eligible Brazilian blood donors. Transfus Med 2024; 34:46-53. [PMID: 38165014 DOI: 10.1111/tme.13022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 10/27/2023] [Accepted: 12/12/2023] [Indexed: 01/03/2024]
Abstract
Knowledge regarding the profile of eligible blood donors presenting positive results in laboratory screening is essential for reducing transfusion-transmitted human immunodeficiency virus (HIV), hepatitis B virus (HBV) and hepatitis C virus (HCV). Our study aimed to evaluate the prevalence, incidence, predictor variables and residual risk (RR) of HIV/HBV/HCV in blood bags donated in Minas Gerais, Brazil. This study analysed data retrieved from the records of a large blood bank relating to donations collected at multiple centres within the period 2012-2018, during which 1 991 120 blood bags were screened using immunoassays and nucleic acid tests (NATs). Multilevel modelling was used to investigate the association between sex, civil status and age group with HIV/HBV/HCV. RR was estimated from the incidence values (restricted to negative and positive tests within the study period) and window periods for infections. The prevalence in first time donors, incidence and RR of HCV (223.73 cases per 100 000; 54.84 per 100 000 persons-year and 1.6527 per 100 000, respectively) were higher than those of HIV (172.65 cases per 100 000; 28.25 per 100 000 persons-year and 0.8514 per 100 000) and HBV (168.17 cases per 100 000; 18.54 per 100 000 persons-year and 0.5588 per 100 000). The odds of acquiring infection were greater in male, single and older donors. Sixteen donors were identified as seronegative and NATs+ during the 7-year span of the study. Our study has clarified some spatiotemporal trends regarding HIV/HBV/HCV infections in donated blood in Brazil. The results will contribute to the formulation of directives addressed to high-risk donors.
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Affiliation(s)
- Ana Paula Alves Santos
- Universidade Federal de São João Del Rei, Campus Centro-Oeste Dona Lindu, Divinópolis, MG, Brazil
| | | | | | | | | | - Saulo Nascimento de Melo
- Universidade Federal de São João Del Rei, Campus Centro-Oeste Dona Lindu, Divinópolis, MG, Brazil
| | - Vinícius Silva Belo
- Universidade Federal de São João Del Rei, Campus Centro-Oeste Dona Lindu, Divinópolis, MG, Brazil
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18
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Young PP, Saa P. Redefining Blood Donation-Path to Inclusivity and Safety. JAMA 2023; 330:1841-1842. [PMID: 37824150 DOI: 10.1001/jama.2023.19809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
This Viewpoint reviews the vicissitudes of establishing fair and equitable blood donation policies based on research and improved serological testing and promotes expanding the pool of potential donors.
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Affiliation(s)
- Pampee P Young
- Biomedical Services, American Red Cross Blood Services, Washington, DC
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Paula Saa
- Biomedical Services, American Red Cross Blood Services, Washington, DC
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19
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Stark CM, Juul SE. New frontiers in neonatal red blood cell transfusion research. J Perinatol 2023; 43:1349-1356. [PMID: 37667005 DOI: 10.1038/s41372-023-01757-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 08/06/2023] [Accepted: 08/15/2023] [Indexed: 09/06/2023]
Abstract
Red blood cell (RBC) transfusions are common in neonates requiring intensive care. Recent studies have compared restricted versus liberal transfusion guidelines, but limitations exist on evaluations of outcomes in populations that never required a transfusion compared to those receiving any transfusion. Although there are well-established risks associated with RBC transfusions, new data has emerged that suggests additional clinically relevant associations, including adverse neurodevelopmental outcomes, donor sex differences, and inflammation or immunosuppression. Further research is needed to delineate the magnitude of these risks and to further improve the safety of transfusions. The goal of this review is to highlight underappreciated, yet clinically important risks associated with neonatal RBC transfusions and to introduce several areas in which neonates may uniquely benefit from alterations in practice.
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Affiliation(s)
- Christopher M Stark
- Department of Pediatrics, Walter Reed National Military Medical Center, Bethesda, MD, USA.
| | - Sandra E Juul
- Institute on Human Development and Disability (IHDD) and the Intellectual and Developmental Disabilities Research Center (IDDRC), Department of Pediatrics, University of Washington, Seattle, WA, USA
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20
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Bloch EM, Busch MP, Corash LM, Dodd R, Hailu B, Kleinman S, O'Brien S, Petersen L, Stramer SL, Katz L. Leveraging Donor Populations to Study the Epidemiology and Pathogenesis of Transfusion-Transmitted and Emerging Infectious Diseases. Transfus Med Rev 2023; 37:150769. [PMID: 37919210 PMCID: PMC10841704 DOI: 10.1016/j.tmrv.2023.150769] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 11/04/2023]
Abstract
The tragedy of transfusion-associated hepatitis and HIV spurred a decades-long overhaul of the regulatory oversight and practice of blood transfusion. Consequent to improved donor selection, testing, process control, clinical transfusion practice and post-transfusion surveillance, transfusion in the United States and other high-income countries is now a very safe medical procedure. Nonetheless, pathogens continue to emerge and threaten the blood supply, highlighting the need for a proactive approach to blood transfusion safety. Blood donor populations and the global transfusion infrastructure are under-utilized resources for the study of infectious diseases. Blood donors are large, demographically diverse subsets of general populations for whom cross-sectional and longitudinal samples are readily accessible for serological and molecular testing. Blood donor collection networks span diverse geographies, including in low- and middle-income countries, where agents, especially zoonotic pathogens, are able to emerge and spread, given limited tools for recognition, surveillance and control. Routine laboratory storage and transportation, coupled with data capture, afford access to rich epidemiological data to assess the epidemiology and pathogenesis of established and emerging infections. Subsequent to the State of the Science in Transfusion Medicine symposium in 2022, our working group (WG), "Emerging Infections: Impact on Blood Science, the Blood Supply, Blood Safety, and Public Health" elected to focus on "leveraging donor populations to study the epidemiology and pathogenesis of transfusion-transmitted and emerging infectious diseases." The 5 landmark studies span (1) the implication of hepatitis C virus in post-transfusion hepatitis, (2) longitudinal evaluation of plasma donors with incident infections, thus informing the development of a widely used staging system for acute HIV infection, (3) explication of the dynamics of early West Nile Virus infection, (4) the deployment of combined molecular and serological donor screening for Babesia microti, to characterize its epidemiology and infectivity and facilitate routine donor screening, and (5) national serosurveillance for SARS-CoV-2 during the COVID-19 pandemic. The studies highlight the interplay between infectious diseases and transfusion medicine, including the imperative to ensure blood transfusion safety and the broader application of blood donor populations to the study of infectious diseases.
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Affiliation(s)
- Evan M Bloch
- Division of Transfusion Medicine, Department of Pathology, Johns Hopkins University, Baltimore, MD, USA.
| | - Michael P Busch
- Vitalant Research Institute, San Francisco, CA, USA; Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Laurence M Corash
- Cerus Corporation, Concord, CA, USA; Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Roger Dodd
- Scientific Affairs, American Red Cross, Gaithersburg, MD, USA
| | - Benyam Hailu
- Division of Blood Diseases Research, National Heart Lung and Blood Institute, Bethesda, MD, USA
| | | | - Sheila O'Brien
- Canadian Blood Services, Epidemiology and Surveillance, Microbiology, Ottawa, ON, Canada; School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON, Canada
| | - Lyle Petersen
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Fort Collins, Colorado, USA
| | - Susan L Stramer
- Scientific Affairs, American Red Cross, Gaithersburg, MD, USA
| | - Louis Katz
- ImpactLife Blood Services, Davenport, IA, USA
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21
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Laperche S, Sauvage C, Gallian P, Jbilou S, Pouchol E, Py JY, Chabli L, Richard P, Morel P, Lot F, Tiberghien P. Human immunodeficiency virus, hepatitis C virus and hepatitis B virus incidence in blood donors from 2000 to 2020 in France: Trends and lessons from haemovigilance surveillance. Vox Sang 2023; 118:843-853. [PMID: 37694766 DOI: 10.1111/vox.13514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/03/2023] [Accepted: 08/06/2023] [Indexed: 09/12/2023]
Abstract
BACKGROUND AND OBJECTIVES Data from 21 years (2000-2020) of haemovigilance were used to assess human immunodeficiency virus (HIV), hepatitis B virus (HBV) and hepatitis C virus (HCV) incidence rates in repeat blood donors and the occurrence of transfusion-transmitted (TT) viral infections. MATERIALS AND METHODS Blood donors who converted for HIV, HCV or HBV markers within serial three-year analysis periods were included. Epidemiological and virological data were retrieved from the national epidemiological donor database and were supplemented with information on blood components and the infection status of recipients of the previous negative donation (D.N-1) of donors who seroconverted. RESULTS Incidence rates declined from 1.27 to 0.35/100,000 person-years for HIV, from 0.59 to 0.19 for HCV and from 1.66 to 0.18 for HBV. Risk factors and lookback for 232 HIV, 90 HCV and 74 HBV seroconversions were investigated. The main risk factor identified at post-donation interview was having sex with men (47.8% of males) for HIV and a sexual risk for HCV (30.6%) and HBV (37.1%). The viral loads and sequences were retrospectively tested in 191 HIV, 74 HCV and 62 HBV D.N-1 archived samples. Six (five HBV and one HIV-1) were positive all low viral loads. Two recipients were infected by red blood cells from two HBV seroconverting donors before the introduction of HBV-nucleic acid testing. CONCLUSION HIV, HCV and HBV incidence rates in blood donors declined over the two past decades in France. There is a very small risk of a blood component that tests negative entering the blood supply resulting in TT infections, especially after introduction of molecular assays in donor screening.
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Affiliation(s)
- Syria Laperche
- Etablissement Français du Sang, La Plaine Saint-Denis, France
- National Reference Centre for infectious risks in transfusion, Institut National de la Transfusion Sanguine, Paris, France
| | | | - Pierre Gallian
- Etablissement Français du Sang, La Plaine Saint-Denis, France
| | - Saadia Jbilou
- Etablissement Français du Sang, La Plaine Saint-Denis, France
| | - Elodie Pouchol
- Etablissement Français du Sang, La Plaine Saint-Denis, France
| | - Jean Yves Py
- Etablissement Français du Sang, La Plaine Saint-Denis, France
| | - Lila Chabli
- Etablissement Français du Sang, La Plaine Saint-Denis, France
| | - Pascale Richard
- Etablissement Français du Sang, La Plaine Saint-Denis, France
| | - Pascal Morel
- Etablissement Français du Sang, La Plaine Saint-Denis, France
- UMR RIGHT 1098, Université de Franche-Comté INSERM, Etablissement Français du Sang, Besançon, France
| | | | - Pierre Tiberghien
- Etablissement Français du Sang, La Plaine Saint-Denis, France
- UMR RIGHT 1098, Université de Franche-Comté INSERM, Etablissement Français du Sang, Besançon, France
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22
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Boudreaux J. Transfusion management in thalassemia. Ann N Y Acad Sci 2023; 1527:42-48. [PMID: 37531552 DOI: 10.1111/nyas.15049] [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: 08/04/2023]
Abstract
This review describes the current challenges and recommendations in the transfusion management of thalassemia patients. In addition, it reviews the components of blood safety and blood product modification in special populations. Adverse transfusion reactions are described as are some of the newer technologies being utilized to reduce potential transfusion-associated pathogens. Lastly, research in blood storage and in manufactured blood is briefly described.
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Affiliation(s)
- Jeanne Boudreaux
- Aflac Cancer & Blood Disorders Center, Emory University, Atlanta, Georgia, USA
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23
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Sosa-Jurado F, Palencia-Lara R, Xicoténcatl-Grijalva C, Bernal-Soto M, Montiel-Jarquin Á, Ibarra-Pichardo Y, Rosas-Murrieta NH, Lira R, Cortes-Hernandez P, Santos-López G. Donated Blood Screening for HIV, HCV and HBV by ID-NAT and the Residual Risk of Iatrogenic Transmission in a Tertiary Care Hospital Blood Bank in Puebla, Mexico. Viruses 2023; 15:1331. [PMID: 37376630 DOI: 10.3390/v15061331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/01/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Hepatitis C virus (HCV), human immunodeficiency virus (HIV) and hepatitis B virus (HBV) can be transmitted by blood transfusion. Most transmission occurs during the acute viremic phase (AVP), before antibody development. To reduce transmission risk, individual donor nucleic acid testing (ID-NAT) is used. In Puebla, Mexico, serological tests and ID-NAT have been applied to screen blood donors and detect individuals in AVP. In the present study, 106,125 blood donors' data in two periods (2012-2015 and 2017-2019) were analyzed. The residual risk (RR) values were calculated considering ID-NAT results. The RR for HIV was 14 in 1 million donations or 1 in 71,428, the RR for HVC was 6.8 in 1 million donations or 1 in 147,058 and, for HBV, it was 156 in 1 million donations, or 1 in 6410. Previously, it was predicted that the transmission RR of these viruses would be reduced in Mexico through better screening with NAT. The use of ID-NAT has, indeed, increased the safety of blood reserves for HIV and HCV. However, more research is needed to determine why the residual risk of HBV did not decrease as much over the study period. ID-NAT is an important complementary tool for blood donor screening that should be implemented.
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Affiliation(s)
- Francisca Sosa-Jurado
- Laboratorio de Biología Molecular y Virología, Centro de Investigación Biomédica de Oriente, Instituto Mexicano del Seguro Social, Metepec, Atlixco, Puebla 74360, CP, Mexico
| | - Roxana Palencia-Lara
- Banco de Sangre, Hospital Especialidades, Unidad Médica de Alta Especialidad, Centro Médico Nacional General de División Manuel Ávila Camacho, Instituto Mexicano del Seguro Social, Puebla, Puebla 72000, CP, Mexico
| | - Cinthia Xicoténcatl-Grijalva
- Laboratorio de Biología Molecular y Virología, Centro de Investigación Biomédica de Oriente, Instituto Mexicano del Seguro Social, Metepec, Atlixco, Puebla 74360, CP, Mexico
| | - Maribel Bernal-Soto
- Banco de Sangre, Hospital Especialidades, Unidad Médica de Alta Especialidad, Centro Médico Nacional General de División Manuel Ávila Camacho, Instituto Mexicano del Seguro Social, Puebla, Puebla 72000, CP, Mexico
| | - Álvaro Montiel-Jarquin
- Coordinación Clínica de Investigación y Enseñanza en Salud, Hospital Especialidades, Unidad Médica de Alta Especialidad, Centro Médico Nacional General de División Manuel Ávila Camacho, Instituto Mexicano del Seguro Social, Puebla, Puebla 72000, CP, Mexico
| | - Yolanda Ibarra-Pichardo
- Banco de Sangre, Hospital Especialidades, Unidad Médica de Alta Especialidad, Centro Médico Nacional General de División Manuel Ávila Camacho, Instituto Mexicano del Seguro Social, Puebla, Puebla 72000, CP, Mexico
| | - Nora Hilda Rosas-Murrieta
- Centro de Química, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Puebla, Puebla 72570, CP, Mexico
| | - Rosalia Lira
- Unidad de Investigación Médica en Enfermedades Infecciosas y Parasitarias, UMAE Hospital de Pediatría, CMN Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City 06720, MX, Mexico
| | - Paulina Cortes-Hernandez
- Laboratorio de Metadinámica y Salud de Poblaciones, Centro de Investigación Biomédica de Oriente, Instituto Mexicano del Seguro Social (IMSS), Metepec 74360, MX, Mexico
| | - Gerardo Santos-López
- Laboratorio de Biología Molecular y Virología, Centro de Investigación Biomédica de Oriente, Instituto Mexicano del Seguro Social, Metepec, Atlixco, Puebla 74360, CP, Mexico
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Alassad A, Al Rahwanji MJ, Yousfan A, Al Moualem S, Farhat A, Youssef LA. Seroprevalence and trends of hepatitis B virus, hepatitis C virus and human immunodeficiency virus in Syrian blood donors at Damascus University Blood Center between 2004 and 2021. Front Public Health 2023; 11:1174638. [PMID: 37325302 PMCID: PMC10267398 DOI: 10.3389/fpubh.2023.1174638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 05/12/2023] [Indexed: 06/17/2023] Open
Abstract
Introduction Seroprevalence of transfusion-transmitted viral infections (TTVIs) is a valuable indicator for assessing blood safety, population health and health system performance in the times of peace and conflicts. Only scarce information is available on the impact of the decade-long violent conflict on the prevalence of TTVIs in Syria. Moreover, hepatitis B vaccine was introduced to the national vaccination program in 1993; however, no data is available on the vaccine effectiveness. Methods In this retrospective cross-sectional study, we compiled the screening results for major TTVIs, namely hepatitis B virus (HBV), hepatitis C virus (HCV), and human immuno-deficiency virus (HIV), of volunteer donors at Damascus University Blood Center from May 2004 to October 2021. Prevalence was expressed in percentages for the entire study group and subgroups. Chi-square test and linear regression were used to examine the differences and describe trends in prevalence, respectively, based on demographic characteristics (i.e., age and gender) and time. P-value of <0.005 was considered statistically significant. Results Of the total 307,774 donors (82.27% males, median age 27 years), 5,929 (1.93%) had serological evidence of at least one TTVI, and 26 (0.0085%) had multiple infections. The lowest prevalence (1.09%) was detected in donors aged 18-25 years old, and a higher prevalence (2.05%) was evident in males in comparison with females (1.38%). The seroprevalence of HBV, HCV, and HIV was 1.18, 0.52, and 0.23%, respectively. Trend analyses revealed a significant regression in HBV and HIV prevalence from 2011 to 2021. HBV seropositivity depicted a temporal decline by ~80%, from 0.79% in 2011 to 0.16% in 2021 in those born in 1993 and thereafter. Discussion The seroprevalence of HBV, HIV, and to a lesser extent HCV dropped over the study 18-year period. Possible explanations may include implementation of the HBV vaccine, robust national health system, conservative sociocultural values, and isolation.
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Affiliation(s)
- Alia Alassad
- Damascus University Blood Center, Damascus University, Damascus, Syria
| | - Mhd Jawad Al Rahwanji
- Department of Artificial Intelligence, Faculty of Information Technology Engineering, Damascus University, Damascus, Syria
- Department of Computer Science, Saarland University, Saarbrücken, Germany
| | - Amal Yousfan
- Department of Pharmaceutics & Pharmaceutical Technology, Faculty of Pharmacy, Damascus University, Damascus, Syria
- Department of Pharmaceutics and Pharmaceutical Technology, Pharmacy College, Al Andalus University for Medical Sciences, Tartus, Syria
| | - Sally Al Moualem
- Department of Biochemistry and Microbiology, Faculty of Pharmacy, Damascus University, Damascus, Syria
| | - Arwa Farhat
- Department of Biochemistry and Microbiology, Faculty of Pharmacy, Damascus University, Damascus, Syria
| | - Lama A. Youssef
- Program of Clinical and Hospital Pharmacy, Department of Pharmaceutics & Pharmaceutical Technology, Faculty of Pharmacy, Damascus University, Damascus, Syria
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25
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Mangala C, Fokam J, Maulot-Bangola D, Rebienot-Pellegrin O, Nkoa T. Genetic diversity of the human immunodeficiency virus of type 1 in Gabonese transfusional settings. BMC Infect Dis 2023; 23:191. [PMID: 36997860 PMCID: PMC10061732 DOI: 10.1186/s12879-023-08154-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 03/13/2023] [Indexed: 04/01/2023] Open
Abstract
BACKGROUND The high endemicity of transfusion-transmissible infections (TTIs) in sub-Saharan Africa is a real public health problem. To reduce the risk of HIV transmission through blood donation, the NBTC of Gabon has launched in recent years a reorganization of its blood transfusion system. This study aims to characterize the molecular strains of HIV-1 circulating in donors and to estimate the risk of viral transmission. MATERIALS AND METHODS A cross-sectional study was carried out during the period from August 2020 to August 2021 among 381 donors who had agreed to donate blood at the National Blood Transfusion Center (NBTC). Viral load was determined by Abbott Real-Time (Abbott m2000®, Abbott) and sequencing by the Sanger method (ABI 3500 Hitachi®). The phylogenetic tree was constructed by MEGA X software. Data were checked, entered, and analyzed using SPSS version 21.0 software, with p ≤ 0.05 considered statistically significant. RESULTS A total of 381 donors were enrolled in the study. Among the 359 seronegative donors, five (5) seronegative donors were detected positive for HIV-1 using Real-Time PCR. The residual risk was 648 per 1,000,000 donations. The prevalence of residual infection was 1.4% [0,01; 0,03]. Sixteen (16) samples were sequenced. The strains obtained were CRF02_AG (50%), subtype A1 (18.8%), subtype G (12.5%), CRF45_cpx (12.5%) and subtype F2 (6.2%). Six sequences clustered with A1, G, CRF02_AG, and CRF45_cpx subtypes. CONCLUSION The residual risk of HIV-1 transmission by blood transfusion remains a concern in the Gabonese transfusional settings. A policy based on improving the current screening strategy would involve the implementation of the nucleic acid test (NAT) in order to optimize the safety of the donation by detecting the HIV-1 subtypes in circulation in the donors.
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Affiliation(s)
- Christian Mangala
- Catholic University of Central Africa (CUCA), Yaoundé, Cameroon.
- National Public Health Laboratory (NPHL), Libreville, Gabon.
| | - Joseph Fokam
- Chantal Biya International Reference Center (CBIRC)), Yaoundé, Cameroon
| | - Denis Maulot-Bangola
- Catholic University of Central Africa (CUCA), Yaoundé, Cameroon
- National Public Health Laboratory (NPHL), Libreville, Gabon
| | | | - Thérèse Nkoa
- Catholic University of Central Africa (CUCA), Yaoundé, Cameroon
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26
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Nakano T, Katayama Y, Sakamoto M, Shimizu Y, Inoie M, Shimizu N, Yamanaka H, Tsuge I, Saito S, Morimoto N. Establishment of a keratinocyte and fibroblast bank for clinical applications in Japan. J Artif Organs 2023; 26:45-52. [PMID: 35511369 DOI: 10.1007/s10047-022-01331-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 03/27/2022] [Indexed: 10/18/2022]
Abstract
Regenerative medicine products using allogeneic cells, such as allogeneic cultured epidermis (allo-CE), have become a more critical therapeutic method for the treatment of burns. However, there are no clinically available allo-CE products in Japan. Therefore, establishing a quality-controlled cell bank is mandatory to create regenerative medical products using allogeneic cells. In this study, we selected ten patients from the Department of Plastic Surgery of Kyoto University Hospital to become cell donors. We performed medical interviews and blood sampling for the donor to ensure virus safety. We examined the tissues and isolated cells by performing a nucleic acid test (NAT). To establish a master cell bank, quality evaluation was performed according to the International Conference of Harmonization (ICH) Q5A. Serological tests of the blood samples from the ten donors showed that two of them were ineligible. The cells registered in the cell bank were found to be compatible after virus testing was performed, and a master cell bank was constructed. Hence, we established a keratinocyte and fibroblast bank of clinically usable human cultured cells in Japan for the first time.
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Affiliation(s)
- Takashi Nakano
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto, 6068507, Japan
| | - Yasuhiro Katayama
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto, 6068507, Japan.
| | - Michiharu Sakamoto
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto, 6068507, Japan
| | | | | | | | - Hiroki Yamanaka
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto, 6068507, Japan
| | - Itaru Tsuge
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto, 6068507, Japan
| | - Susumu Saito
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto, 6068507, Japan
| | - Naoki Morimoto
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto, 6068507, Japan
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Outcomes of Patients Treated with Blood Transfusion in a Contemporary Tertiary Care Medical Center Intensive Cardiac Care Unit. J Clin Med 2023; 12:jcm12041304. [PMID: 36835840 PMCID: PMC9965353 DOI: 10.3390/jcm12041304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/21/2023] [Accepted: 02/03/2023] [Indexed: 02/09/2023] Open
Abstract
BACKGROUND Acutely ill patients treated with blood transfusion (BT) have unfavorable prognoses. Nevertheless, data regarding outcomes in patients treated with BT admitted into a contemporary tertiary care medical center intensive cardiac care unit (ICCU) are limited. The current study aimed to assess the mortality rate and outcomes of patients treated with BT in a modern ICCU. METHODS Prospective single center study where we evaluated mortality, in the short and long term, of patients treated with BT between the period of January 2020 and December 2021 in an ICCU. OUTCOMES A total of 2132 consecutive patients were admitted to the ICCU during the study period and were followed-up for up to 2 years. In total, 108 (5%) patients were treated with BT (BT-group) during their admission, with 305 packed cell units. The mean age was 73.8 ± 14 years in the BT-group vs. 66.6 ± 16 years in the non-BT (NBT) group, p < 0.0001. Females were more likely to receive BT as compared with males (48.1% vs. 29.5%, respectively, p < 0.0001). The crude mortality rate was 29.6% in the BT-group and 9.2% in the NBT-group, p < 0.0001. Multivariate Cox analysis found that even one unit of BT was independently associated with more than two-fold the mortality rate [HR = 2.19 95% CI (1.47-3.62)] as compared with the NBT-group, p < 0.0001]. Receiver operating characteristic (ROC) curve was plotted for multivariable analysis and showed area under curve (AUC) of 0.8 [95% CI (0.760-0.852)]. CONCLUSIONS BT continues to be a potent and independent predictor for both short- and long-term mortality even in a contemporary ICCU, despite the advanced technology, equipment and delivery of care. Further considerations for refining the strategy of BT administration in ICCU patients and guidelines for different subsets of high-risk patients may be warranted.
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Wang SX, Sun LY, Yu Q, Li T, Li R, Xu YP, Zeng JF. Demographic Factors Among HIV Confirmed Blood Donors from 2013 to 2021 in Shenzhen. Int J Gen Med 2023; 16:425-434. [PMID: 36760684 PMCID: PMC9904141 DOI: 10.2147/ijgm.s397236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 01/24/2023] [Indexed: 02/05/2023] Open
Abstract
Background New HIV (Human immune deficiency virus) infections are continuously increasing in China and it remains a huge challenge to blood donation. As access to health services has affected by COVID-19 (Corona virus disease 2019) pandemic, a drop in new diagnoses (especially HIV) was observed worldwide. Methods During 2013-2021, 735,247 specimens from unpaid blood donors collected by Shenzhen Blood Center underwent ELISA (Enzyme -linked immunosorbent assay) and NAT (Nucleic acid test). Samples with reactivity results were sent to the Shenzhen Center for Disease Control and Prevention for WB (Western blot). All data were statistically analyzed by the Chi-Square test. Results From 2013 to 2021, the prevalence of HIV among male blood donors was higher than in females (P < 0.01). During the COVID-19 pandemic, the prevalence of HIV among repeat blood donors decreased significantly compared to 2019 (P < 0.05), and the characteristics of blood donors changed in 2020 compared to 2019 and 2021. Conclusion The high proportion of female blood donors would help prevent HIV from getting into the blood supply. The COVID-19 pandemic affected the demographics of blood donors as well as the prevalence of HIV among repeat blood donors. An increased number of repeat blood donors can help decrease the risk of HIV transfusion transmission during the epidemic.
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Affiliation(s)
- Song-Xing Wang
- Shenzhen Blood Center, Shenzhen, Guangdong, People’s Republic of China
| | - Li-Yan Sun
- Shenzhen Blood Center, Shenzhen, Guangdong, People’s Republic of China
| | - Qiong Yu
- Shenzhen Blood Center, Shenzhen, Guangdong, People’s Republic of China
| | - Tong Li
- Shenzhen Blood Center, Shenzhen, Guangdong, People’s Republic of China
| | - Ran Li
- Shenzhen Blood Center, Shenzhen, Guangdong, People’s Republic of China
| | - Yun-Ping Xu
- Shenzhen Blood Center, Shenzhen, Guangdong, People’s Republic of China,Correspondence: Yun-Ping Xu; Jin-Feng Zeng, Email ;
| | - Jin-Feng Zeng
- Shenzhen Blood Center, Shenzhen, Guangdong, People’s Republic of China
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Dodd RY, Stramer SL. How do we forecast tomorrow's transfusion: Infectious safety? Transfus Clin Biol 2023; 30:35-38. [PMID: 35987477 DOI: 10.1016/j.tracli.2022.08.143] [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: 02/07/2023]
Abstract
Continuous improvement has led to a very high degree of microbial safety of transfusion. Four issues are likely to impact the future of this safety. There will be further advances in the efficacy and efficiency of donation testing and pathogen reduction, increasing safety and hopefully eliminating unnecessary procedures. While system failures have been essentially eliminated, there will be ongoing, unpredictable issues that are inevitable. Emerging infections are likely the greatest concern and will continue, although advances in science and technology will permit increasingly rapid responses to outbreaks. Finally, the practice of transfusion may eventually impact safety as usage of blood is reduced and perhaps as alternatives to conventional blood components are developed.
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Affiliation(s)
- Roger Y Dodd
- American Red Cross Blood Services, Scientific Affairs, Rockville, Maryland, USA.
| | - Susan L Stramer
- American Red Cross Blood Services, Scientific Affairs, Rockville, Maryland, USA
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30
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Belov A, Yang H, Forshee RA, Whitaker BI, Eder AF, Chancey C, Anderson SA. Modeling the Risk of HIV Transfusion Transmission. J Acquir Immune Defic Syndr 2023; 92:173-179. [PMID: 36219691 DOI: 10.1097/qai.0000000000003115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 09/19/2022] [Indexed: 01/21/2023]
Abstract
BACKGROUND Blood donations are routinely screened for HIV to prevent an infectious unit from being released to the blood supply. Despite improvements to blood screening assays, donations from infected donors remain undetectable during the window period (WP), when the virus has not yet replicated above the lower limit of detection (LOD) of a screening assay. To aid in the quantitative risk assessments of WP donations, a dose-response model describing the probability of transfusion-transmission of HIV over a range of viral RNA copies was developed. METHODS An exponential model was chosen based on data fit and parsimony. A data set from a HIV challenge study using a nonhuman primate model and another data set from reported human blood transfusions associated with HIV infected donors were separately fit to the model to generate parameter estimates. A Bayesian framework using No-U-Turn Sampling (NUTS) and Monte Carlo simulations was performed to generate posterior distributions quantifying uncertainty in parameter estimation and model predictions. RESULTS The parameters of the exponential model for both nonhuman primate and human data were estimated with a mean (95% credible intervals) of 2.70 × 10 -2 (7.74 × 10 -3 , 6.06 × 10 -2 ) and 7.56 × 10 -4 (3.68 × 10 -4 , 1.31 × 10 -3 ), respectively. The predicted ID 50 for the animal and human models was 26 (12, 90) and 918 (529, 1886) RNA copies transfused, respectively. CONCLUSION This dose-response model can be used in a quantitative framework to estimate the probability of transfusion-transmission of HIV through WP donations. These models can be especially informative when assessing risk from blood components with low viral load.
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Affiliation(s)
- Artur Belov
- Office of Biostatistics & Epidemiology, Center for Biologics Evaluation and Research, US FDA; and
| | - Hong Yang
- Office of Biostatistics & Epidemiology, Center for Biologics Evaluation and Research, US FDA; and
| | - Richard A Forshee
- Office of Biostatistics & Epidemiology, Center for Biologics Evaluation and Research, US FDA; and
| | - Barbee I Whitaker
- Office of Biostatistics & Epidemiology, Center for Biologics Evaluation and Research, US FDA; and
| | - Anne F Eder
- Office of Blood Research and Review, Center for Biologics Evaluation and Research, US FDA
| | - Caren Chancey
- Office of Blood Research and Review, Center for Biologics Evaluation and Research, US FDA
| | - Steven A Anderson
- Office of Biostatistics & Epidemiology, Center for Biologics Evaluation and Research, US FDA; and
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Faenko AP, Filippova AA, Golosova SA, Glazov YN, Ivanova IV, Klyueva EA, Kasatkin MA. The introduction of Laboratory testing for anti-HBcore in blood donors. RUSSIAN JOURNAL OF HEMATOLOGY AND TRANSFUSIOLOGY 2022. [DOI: 10.35754/0234-5730-2022-67-4-525-534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Introduction. The introduction of screening testing for antibodies to the hepatitis B virus nuclear antigen (anti-HBcore) is designed to prevent the procurement of donated blood from individuals with the latent (occult) form of viral hepatitis B, in which surface HBsAg is not identified.Aim – to evaluate the frequency of anti-HBcore markers’ occurrence in donors under the current regulatory and legal framework.Materials and methods. This retrospective observational study was conducted with a follow-up period of one year among blood donors of the Blood Center (BC) of the Federal Medical-Biological Agency. The screening study for anti-HBcore in blood donors and its components was selective in accordance with the requirements of Appendix № 4 of Order № 1166n of October 28, 2020 of the Ministry of Health of Russia.Results. During the study period, the BC was visited by 17,180 donors who donated blood and its components 35,840 times. There were 181 anti-HBcore tests (0.5 % of all blood samples) in 178 unique donors of blood and blood components (1.03 % of all donors). There were 14 positive, 2 questionable and 166 negative results on anti-HBcore tests. The probability of finding a positive result depending on the conditions was 9 % (7.3–14.7 %). There were no statistically significant differences in the detection of anti-HBcore in primary versus regular donors (OR = 2.539; 95% CI: 0.7321–8; p = 0.13), as well as for male donors compared with female donors (OR = 2.448; 95% CI: 0.7141–11.11; p = 0.17). 86.7 % of donors with a positive test for anti-HBcore previously had no signs of viral hepatitis B disease, the presence of questionable HBsAg was not detected, i. e. these cases may be associated with an occult form. Donors who did not previously have questionable results for various bloodborne infections during their donor career had a slightly higher probability of detecting a positive anti-HBcore test compared to donors who previously had these questionable results (OR = 1.24; 95% CI”: 0.42–3.69; p = 0.69). During the period of the donor career, 233 donations of blood and its components were made by donors with a positive result for anti-HBcore, 468 units of donor components were received, of which 365 units were given to medical institutions.Conclusion. The probability of obtaining a positive test for anti-HBcore in the current regulatory environment is random and does not depend on the results of other infectious markers testing. It is recommended to perform anti-HBcore testing with each donation of blood and blood components.
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Affiliation(s)
- A. P. Faenko
- Blood Center of the Federal Medical-Biological Agency
| | | | | | - Ya. N. Glazov
- Blood Center of the Federal Medical-Biological Agency
| | - I. V. Ivanova
- Blood Center of the Federal Medical-Biological Agency
| | - E. A. Klyueva
- Blood Center of the Federal Medical-Biological Agency
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Kalibatas V, Kalibatienė L. Reducing the risk of transfusion-transmitted infectious disease markers in blood and blood component donations: Movement from remunerated to voluntary, non-remunerated donations in Lithuania from 2013 to 2020. PLoS One 2022; 17:e0277650. [PMID: 36378657 PMCID: PMC9665384 DOI: 10.1371/journal.pone.0277650] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 11/01/2022] [Indexed: 11/16/2022] Open
Abstract
Lithuania has a long history of remunerated donations. The first steps towards voluntary, non-remunerated blood and blood component donations started in 2004. Lithuania achieved 99.98% voluntary non-remunerated donations (VNRDs) in 2020. This study aimed to assess the risk of transfusion-transmitted infectious (TTI) disease markers for remunerated donations in comparison with VNRDs in Lithuania from 2013 to 2020. Data were obtained from the Lithuanian Blood Donor Register. The prevalence was calculated as the rate between the number of confirmed positive results for all TTI disease markers (serological anti-HCV, HBsAg, Ag/anti-HIV 1 and 2, and syphilis, and/or HCV, HBV, and HIV-1 NAT) per 100 donations. The relative risk of infectious disease markers for remunerated donations was then estimated. In total, 796310 donations were made. Altogether, 2743 donations were positive for TTI markers as follows: HCV, 1318; HBV, 768; syphilis, 583; and HIV 1 and 2, 74. The prevalence of confirmed TTI markers were 2.86, 0.97, 0.18, and 0.04 per 100 first-time remunerated donations, first-time VNRDs, repeat remunerated donations, and repeat VNRDs, respectively. Remunerated first-time and repeat donations had a statistically higher prevalence of TTI disease markers than VNRDs. First-time and repeat remunerated donations had statistically significantly higher relative risks of confirmed TTI disease markers than VNRD. In conclusion, the risks of TTI disease markers for remunerated first-time and repeat blood and its component donations are significantly higher than those for VNRDs.
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Affiliation(s)
- Vytenis Kalibatas
- Department of Health Management, Lithuanian University of Health Sciences, Kaunas, Lithuania
- * E-mail:
| | - Lina Kalibatienė
- Department of Anaesthesiogy, Lithuanian University of Health Sciences, Kaunas, Lithuania
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33
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Myszewski JJ, Rose WN. Educational Case: Perioperative patient blood management. Acad Pathol 2022; 9:100057. [PMID: 36262361 PMCID: PMC9573870 DOI: 10.1016/j.acpath.2022.100057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 08/02/2022] [Accepted: 09/03/2022] [Indexed: 11/28/2022] Open
Affiliation(s)
| | - William N. Rose
- Department of Pathology, University of Wisconsin Hospital, Madison, WI, USA
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34
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Affiliation(s)
- Evan M Bloch
- Johns Hopkins University School of Medicine, Department of Pathology, Baltimore, MD, USA.
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35
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Abstract
Blood transfusions are generally safe but can carry considerable risks. This review summarizes the different types of transfusion reactions and ways to diagnose and manage them. Symptoms are often overlapping and nonspecific. When a reaction is suspected, it is critical to stop the transfusion immediately and report the reaction to the blood bank, as this can affect the patient's outcome. New evidence-based algorithms of transfusion, newer blood screening methods and donor policies and deferrals, new laboratory testing, electronic verification systems, and improved hemovigilance lead to the avoidance of unnecessary transfusions and decrease the incidence of serious transfusion reactions.
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Affiliation(s)
- Rim Abdallah
- Department of Transfusion Medicine, Warren G. Magnuson Clinical Center, National Institutes of Health, Bethesda, MD, USA
| | - Herleen Rai
- Department of Transfusion Medicine, Warren G. Magnuson Clinical Center, National Institutes of Health, Bethesda, MD, USA
| | - Sandhya R Panch
- Department of Transfusion Medicine, Warren G. Magnuson Clinical Center, National Institutes of Health, Bethesda, MD, USA.
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36
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Bloch EM, Krause PJ, Tonnetti L. Preventing Transfusion-Transmitted Babesiosis. Pathogens 2021; 10:pathogens10091176. [PMID: 34578209 PMCID: PMC8468711 DOI: 10.3390/pathogens10091176] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 11/16/2022] Open
Abstract
Babesia are tick-borne intra-erythrocytic parasites and the causative agents of babesiosis. Babesia, which are readily transfusion transmissible, gained recognition as a major risk to the blood supply, particularly in the United States (US), where Babesia microti is endemic. Many of those infected with Babesia remain asymptomatic and parasitemia may persist for months or even years following infection, such that seemingly healthy blood donors are unaware of their infection. By contrast, transfusion recipients are at high risk of severe babesiosis, accounting for the high morbidity and mortality (~19%) observed in transfusion-transmitted babesiosis (TTB). An increase in cases of tick-borne babesiosis and TTB prompted over a decade-long investment in blood donor surveillance, research, and assay development to quantify and contend with TTB. This culminated in the adoption of regional blood donor testing in the US. We describe the evolution of the response to TTB in the US and offer some insight into the risk of TTB in other countries. Not only has this response advanced blood safety, it has accelerated the development of novel serological and molecular assays that may be applied broadly, affording insight into the global epidemiology and immunopathogenesis of human babesiosis.
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Affiliation(s)
- Evan M. Bloch
- Division of Transfusion Medicine, Department of Pathology, Johns Hopkins University, Baltimore, MD 21287, USA
- Correspondence: ; Tel.: +1-410-614-4246
| | - Peter J. Krause
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT 06520, USA;
| | - Laura Tonnetti
- Scientific Affairs, American Red Cross, Holland Laboratories, Rockville, MD 21287, USA;
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37
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Wiersum-Osselton J, Prinsze F, van den Brekel E, van Dongen A, Hermans F, Bokhorst A, der Kreek TMV. An intervention study for the prevention of vasovagal reactions and evaluating donors' experience: Analysis of donors' return for subsequent donation. Vox Sang 2021; 117:313-320. [PMID: 34396539 DOI: 10.1111/vox.13196] [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] [Received: 03/27/2021] [Revised: 07/23/2021] [Accepted: 08/03/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND OBJECTIVES The EPISoDe (Experience Success in Donation) study investigated the effect of interventions on self-reported vasovagal reactions (VVRs) in first-time and novice (second to fourth donation) whole blood donors aged ≤30 years, demonstrating a 23% reduction of VVR from water drinking shortly before donation in the novice donors. Because donation experience and complications affect donor retention, we analysed intervention group donors' return for subsequent donation, a predefined secondary outcome. MATERIALS AND METHODS The interventions were as follows: 330 ml water, 500 ml water, ball squeezing before phlebotomy (placebo) and a control group. All donors received an online questionnaire about their experience within a week after donation. In the Netherlands, eligible donors are invited at least yearly depending on hospitals' needs. We analysed attendances within 421 days through return percentages and binomial logistic regression. RESULTS Of the 8300 EPISoDe participants, 6538 (78.8%) returned within 421 days. Return did not differ between the two water groups, whereas odds for return were significantly higher in both water and placebo intervention donors compared to the control group (odds ratio [OR] 1.14, 95% confidence interval [CI] 1.00-1.29 and 1.22, 1.05-1.43, respectively) after adjustment for occurrence of VVR, unsuccessful collection, gender and donation history. Staff-recorded or self-reported VVR at index donation was associated with reduced odds for return (OR 0.47, 95% CI 0.37-0.60 and OR 0.53, 95% CI 0.46-0.61, respectively). CONCLUSION In this cohort of younger inexperienced blood donors, 78.8% returned for subsequent donation. Donors who received an active study intervention, either water or placebo, were more likely to return than control group donors.
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Affiliation(s)
| | - Femmeke Prinsze
- Sanquin, Donor Medicine Research, Amsterdam, The Netherlands
| | | | - Anne van Dongen
- Sanquin, Donor Medicine Research, Amsterdam, The Netherlands
| | - Frank Hermans
- Sanquin, Unit Donor Affairs, Amsterdam, The Netherlands
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Dodd RY, Spencer BR, Xu M, Foster GA, Saá P, Brodsky JP, Stramer SL. Characteristics of US Blood Donors Testing Reactive for Antibodies to SARS-CoV-2 Prior to the Availability of Authorized Vaccines. Transfus Med Rev 2021; 35:1-7. [PMID: 34373145 PMCID: PMC8321690 DOI: 10.1016/j.tmrv.2021.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/28/2021] [Accepted: 07/06/2021] [Indexed: 11/26/2022]
Abstract
In the United States, many blood collection organizations initiated programs to test all blood donors for antibodies to SARS-CoV-2, as a measure to increase donations and to assist in the identification of potential donors of COVID-19 convalescent plasma (CCP). As a result, it was possible to investigate the characteristics of healthy blood donors who had previously been infected with SARS-CoV-2. We report the findings from all blood donations collected by the American Red Cross, representing 40% of the national blood supply covering 44 States, in order to characterize the seroepidemiology of SARS-CoV-2 infection among blood donors in the United States, prior to authorized vaccine availability. We performed an observational cohort study from June 15th to November 30th, 2020 on a population of 1.531 million blood donors tested for antibodies to the S1 spike antigen of SARS-CoV-2 by person, place, time, ABO group and dynamics of test reactivity, with additional information from a survey of a subset of those with reactive test results. The overall seroreactivity was 4.22% increasing from 1.18 to 9.67% (June 2020 - November 2020); estimated incidence was 11.6 per hundred person-years, 1.86-times higher than that based upon reported cases in the general population over the same period. In multivariable analyses, seroreactivity was highest in the Midwest (5.21%), followed by the South (4.43%), West (3.43%) and Northeast (2.90%). Seroreactivity was highest among donors aged 18-24 (Odds Ratio 3.02 [95% Confidence Interval 2.80-3.26] vs age >55), African-Americans and Hispanics (1.50 [1.24-1.80] and 2.12 [1.89-2.36], respectively, vs Caucasian). Group O frequency was 51.5% among nonreactive, but 46.1% among seroreactive donors (P< .0001). Of surveyed donors, 45% reported no COVID-19-related symptoms, but 73% among those unaware of testing. Signal levels of antibody tests were stable over 120 days or more and there was little evidence of reinfection. Evaluation of a large population of healthy, voluntary blood donors provided evidence of widespread and increasing SARS-CoV-2 seroprevalence and demonstrated that at least 45% of those previously infected were asymptomatic. Epidemiologic findings were similar to those among clinically reported cases.
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Affiliation(s)
- Roger Y Dodd
- American Red Cross, Scientific Affairs, Gaithersburg, MD, USA
| | - Bryan R Spencer
- American Red Cross, Scientific Affairs, Gaithersburg, MD, USA
| | - Meng Xu
- American Red Cross, Scientific Affairs, Gaithersburg, MD, USA
| | | | - Paula Saá
- American Red Cross, Scientific Affairs, Gaithersburg, MD, USA
| | | | - Susan L Stramer
- American Red Cross, Scientific Affairs, Gaithersburg, MD, USA.
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39
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Retrospective Study of the Seroprevalence of HIV, HCV, and HBV in Blood Donors at a Blood Bank of Western Mexico. Pathogens 2021; 10:pathogens10070878. [PMID: 34358028 PMCID: PMC8308904 DOI: 10.3390/pathogens10070878] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/08/2021] [Accepted: 07/08/2021] [Indexed: 11/17/2022] Open
Abstract
Obtaining blood which is safe for transfusions is one of the principal challenges in the health systems of developing countries. Supply of contaminated blood increases morbidity, mortality, and the costs of patient care. In Mexico, serological screening is mandatory, but only a few of the main blood banks routinely perform a nucleic acid test (NAT). Data from 80,391 blood donations processed between August 2018 and December 2019 at the Central Blood Bank of the Western National Medical Center of the Mexican Social Security Institute (IMSS) were analyzed. All donors were screened for serological markers and NAT was performed. Reactive donors were followed-up to confirm their results. The number of reactive donors and seroprevalence rates for HIV, HCV, and HBV were 152 (18.91/10,000), 385 (47.89/10,000), and 181 (22.51/10,000), respectively; however, these rates decreased when NAT-confirmed reactive results were considered. Male donors were found to have a higher seroprevalence than females, and younger donors higher than older donors. The present study shows that HIV, HCV, and HBV seroprevalence in blood donors in Western Mexico is low. We propose that Mexico should establish future strategies, including pathogen reduction technologies (PRTs), in order to improve blood safety and reduce transfusion-transmissible infections (TTIs).
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40
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Holcomb JB, Spinella PC, Apelseth TO, Butler FK, Cannon JW, Cap AP, Corley JB, Doughty H, Fitzpatrick M, Goldkind SF, Gurney JM, Homer MJ, Ilstrup SJ, Jansen JO, Jenkins DH, Marques MB, Moore EE, Ness PM, O'Connor KC, Schreiber MA, Shinar E, Sloan S, Strandenes G, Stubbs JR, Taylor AL, Ward KR, Waltman E, Yazer M. Civilian walking blood bank emergency preparedness plan. Transfusion 2021; 61 Suppl 1:S313-S325. [PMID: 34269450 DOI: 10.1111/trf.16458] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 12/29/2022]
Abstract
BACKGROUND The current global pandemic has created unprecedented challenges in the blood supply network. Given the recent shortages, there must be a civilian plan for massively bleeding patients when there are no blood products on the shelf. Recognizing that the time to death in bleeding patients is less than 2 h, timely resupply from unaffected locations is not possible. One solution is to transfuse emergency untested whole blood (EUWB), similar to the extensive military experience fine-tuned over the last 19 years. While this concept is anathema in current civilian transfusion practice, it seems prudent to have a vetted plan in place. METHODS AND MATERIALS During the early stages of the 2020 global pandemic, a multidisciplinary and international group of clinicians with broad experience in transfusion medicine communicated routinely. The result is a planning document that provides both background information and a high-level guide on how to emergently deliver EUWB for patients who would otherwise die of hemorrhage. RESULTS AND CONCLUSIONS Similar plans have been utilized in remote locations, both on the battlefield and in civilian practice. The proposed recommendations are designed to provide high-level guidance for experienced blood bankers, transfusion experts, clinicians, and health authorities. Like with all emergency preparedness, it is always better to have a well-thought-out and trained plan in place, rather than trying to develop a hasty plan in the midst of a disaster. We need to prevent the potential for empty shelves and bleeding patients dying for lack of blood.
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Affiliation(s)
- John B Holcomb
- Center for Injury Science, Division of Acute Care Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Philip C Spinella
- Division of Critical Care, Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Torunn Oveland Apelseth
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
- Norwegian Armed Forces Medical Service, Sessvollmoen, Norway
| | | | - Jeremy W Cannon
- Division of Traumatology, Surgical Critical Care & Emergency Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Andrew P Cap
- Uniformed Services University, Bethesda, Maryland, USA
- US Army Institute of Surgical Research, San Antonio, Texas, USA
- Ft Sam Houston, San Antonio, Texas, USA
| | - Jason B Corley
- Army Blood Program, US Army Medical Command, JBSA - Fort Sam Houston, San Antonio, Texas, USA
| | - Heidi Doughty
- Academic Department of Military Anaesthesia and Critical Care, Royal Centre for Defence Medicine, Birmingham, UK
| | | | | | | | - Mary J Homer
- Division of Chemical, Biological, Radiological, and Nuclear Countermeasures, Biomedical Advanced Research and Development Authority (BARDA), Office of the Assistant Secretary for Preparedness and Response, Department of Health and Human Services, Washington, District of Columbia, USA
| | - Sarah J Ilstrup
- Department of Laboratory Medicine and Pathology, Intermountain Medical Center, Salt Lake City, Utah, USA
| | - Jan O Jansen
- Division of Acute Care Surgery; and Director, Center for Injury Science, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Donald H Jenkins
- Division of Trauma and Emergency Surgery, UT Health, San Antonio, Texas, USA
| | - Marisa B Marques
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Eugene E Moore
- Shock Trauma Center at Denver Health, Department of Surgery, University of Colorado Denver, Denver, Colorado, USA
| | - Paul M Ness
- Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Kevin C O'Connor
- George Washington University School of Medicine and Health Sciences, Medical Faculty Associates, Washington, District of Columbia, USA
| | | | | | - Steve Sloan
- Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Geir Strandenes
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
- Department of War Surgery and Emergency Medicine, Norwegian Armed Forces Medical Services, Oslo, Norway
| | - James R Stubbs
- Transfusion Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Audra L Taylor
- Armed Services Blood Program, Defense Health Agency, Falls Church, Virginia, USA
| | - Kevin R Ward
- George Washington University School of Medicine and Health Sciences, Medical Faculty Associates, Washington, District of Columbia, USA
| | - Elizabeth Waltman
- BioBridge Global, Inc., San Antonio, Texas, USA
- South Texas Blood & Tissue Center, San Antonio, Texas, USA
| | - Mark Yazer
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Tel Aviv University, Tel Aviv, Israel
- University of Southern Denmark, Odense, Denmark
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41
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Nishiya AS, Levi JE, de Almeida-Neto C, Witkin SS, Ferreira SC, Bassit L, Sabino EC, Di-Lorenzo-Oliveira C, Salles NA, Coutinho AS, Bellesa MA, Rocha V, Mendrone-Jr A. Occult and active hepatitis B virus detection in donated blood in São Paulo, Brazil. Transfusion 2021; 61:1495-1504. [PMID: 33687074 DOI: 10.1111/trf.16344] [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] [Received: 12/10/2020] [Revised: 02/04/2021] [Accepted: 02/04/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND The present study determined the HBV antigen, antibody, and DNA status in blood donations deemed to be HBV positive. Individuals with an occult HBV infection (OBI), defined as being positive for HBV DNA but negative for HBV surface antigen (HBsAg), as well as those with active infection (HBsAg-positive), were identified and characterized. STUDY DESIGN AND METHODS From a total pool if 198,363 blood donations, we evaluated in a cross-sectional study, 1106 samples that were positive in screening tests for antibody to HBV core antigen (HBcAb), HBsAg, and/or HBV DNA by nucleic acid testing (NAT-HBV). The presence of genetic variants in the HBV pol/S gene in individuals with an active HBV infection was also determined. RESULTS OBIs were detected in six of 976 samples (0.6%) that were positive only for HBcAb. The rate of HBV active infection was 0.024% (48/198,363) and there was a predominance of HBV sub-genotype A1 (62.2%, 28/45), followed by D3 (17.8%, 8/45). Mutations in the S gene were found in 57.8% (26/45) and immune escape mutations in 37.8% (17/45) of active HBV-infected donors. Among them, T123N, G145A, and D144G high-impact immune escape mutations were identified. CONCLUSION Highly sensitive molecular tests improve the capacity to detect OBIs. When NAT is performed in pooled samples, HBcAb test has value in the detection of donors with OBI and improves transfusion safety. Mutations in the S gene are frequent in HBsAg-positive blood, including those associated with diagnostic failure and vaccine escape mutations.
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Affiliation(s)
- Anna S Nishiya
- Fundação Pró-Sangue Hemocentro de São Paulo, São Paulo, Brazil.,Laboratory of Medical Investigation in Pathogenesis and Targeted Therapy in Oncoimmunohematology (LIM-31), Department of Hematology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - José E Levi
- Instituto de Medicina Tropical da Universidade de São Paulo, São Paulo, Brazil
| | - Cesar de Almeida-Neto
- Fundação Pró-Sangue Hemocentro de São Paulo, São Paulo, Brazil.,Disciplina de Ciências Médicas, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, Brazil
| | - Steven S Witkin
- Instituto de Medicina Tropical da Universidade de São Paulo, São Paulo, Brazil.,Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, New York, USA
| | - Suzete C Ferreira
- Fundação Pró-Sangue Hemocentro de São Paulo, São Paulo, Brazil.,Laboratory of Medical Investigation in Pathogenesis and Targeted Therapy in Oncoimmunohematology (LIM-31), Department of Hematology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Leda Bassit
- Center for AIDS Research, Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University and Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Ester C Sabino
- Instituto de Medicina Tropical da Universidade de São Paulo, São Paulo, Brazil.,Disciplina de Ciências Médicas, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, Brazil
| | | | - Nanci A Salles
- Fundação Pró-Sangue Hemocentro de São Paulo, São Paulo, Brazil
| | | | - Maria A Bellesa
- Fundação Pró-Sangue Hemocentro de São Paulo, São Paulo, Brazil
| | - Vanderson Rocha
- Fundação Pró-Sangue Hemocentro de São Paulo, São Paulo, Brazil.,Laboratory of Medical Investigation in Pathogenesis and Targeted Therapy in Oncoimmunohematology (LIM-31), Department of Hematology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil.,Disciplina de Ciências Médicas, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, Brazil.,Churchill Hospital, Oxford University, Oxford, UK
| | - Alfredo Mendrone-Jr
- Fundação Pró-Sangue Hemocentro de São Paulo, São Paulo, Brazil.,Laboratory of Medical Investigation in Pathogenesis and Targeted Therapy in Oncoimmunohematology (LIM-31), Department of Hematology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
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42
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Steele WR, Dodd RY, Notari EP, Haynes J, Anderson SA, Williams AE, Reik R, Kessler D, Custer B, Stramer SL. HIV, HCV, and HBV incidence and residual risk in US blood donors before and after implementation of the 12-month deferral policy for men who have sex with men. Transfusion 2021; 61:839-850. [PMID: 33460470 DOI: 10.1111/trf.16250] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/17/2020] [Accepted: 11/17/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND In December 2015, the men who have sex with men (MSM) deferral was reduced to 12 months in the United States. We compared human immunodeficiency virus (HIV), hepatitis C virus (HCV), and hepatitis B virus (HBV) incidence and residual risk before and after this policy change using data from >50% of the US blood supply. STUDY DESIGN AND METHODS Three estimation intervals from the Transfusion-Transmissible Infections Monitoring System were compared: 15-months pre- and two consecutive, nonoverlapping 15-month post-MSM deferral implementation. Repeat, first-time, and weighted all-donor incidences were estimated. Residual risk was calculated for all incidence estimates using the incidence/window-period method. RESULTS HIV repeat donor incidence was 1.57 per 100 000 person-years (phtpy) in the second 15-month post change and not significantly different from pre-MSM incidence of 2.19 phtpy. Similar values were seen for HCV (1.49 phtpy vs 1.46 phtpy) and HBV (1.14 phtpy vs 0.97 phtpy). In some cases, higher estimated incidence, but without significant change from pre-MSM to the second post change period occurred for males and first-time donors (eg, first-time donors, second post change period: 6.12 phtpy HIV, 6.41 phtpy HCV and 5.34 phtpy HBV). Estimated per donation residual risk was 1:1.6 million for HIV, 1:2.0 million for HCV and 1:1.0 million for HBV based on weighted incidence for all donors. CONCLUSIONS Repeat, first-time, and overall donor incidence did not vary significantly comparing pre-MSM to either of the post-MSM estimation intervals. Residual risk estimates vary by study, but all yield residual risks in the United States of ≤1 per million, and thus far have not shown increasing risk with the 12-month MSM policy change.
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Affiliation(s)
| | | | | | | | | | - Alan E Williams
- U.S. Food and Drug Administration, Silver Spring, Maryland, USA
| | - Rita Reik
- OneBlood, St. Petersburg, Florida, USA
| | | | - Brian Custer
- Vitalant Research Institute, San Francisco, California, USA
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43
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Goel R, Petersen MR, Patel EU, Packman Z, Bloch EM, Gehrie EA, Lokhandwala PM, Ness PM, Shaz B, Katz LM, Frank SM, Tobian AAR. Comparative changes of pre-operative autologous transfusions and peri-operative cell salvage in the United States. Transfusion 2020; 60:2260-2271. [PMID: 32869327 PMCID: PMC7902373 DOI: 10.1111/trf.15949] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/16/2020] [Accepted: 06/16/2020] [Indexed: 01/28/2023]
Abstract
BACKGROUND With improved safety of allogeneic blood supply, the use of preoperative autologous donations (PADs) and perioperative autologous cell salvage (PACS) has evolved. This study evaluated temporal trends in PAD and PACS use in the United States. METHODS The National Inpatient Sample database, a stratified probability sample of 20% of hospitalizations in the United States, was used to compare temporal trends in hospitalizations reporting use of PADs and PACS from 1995 to 2015. Factors associated with their use were examined between 2012 and 2015 with use of multivariable Poisson regression. Sampling weights were applied to generate nationally representative estimates. RESULTS There was a steady decrease in hospitalizations reporting PAD transfusions from 27.90 per 100 000 in 1995 to 1.48 per 100 000 hospitalizations in 2015 (P-trend <.001). In contrast, PACS increased from a rate of 1.16 per 100 000 in 1995 to peak of 20.51 per 100 000 hospitalizations in 2008 and then steadily declined (P-trend<.001). Higher odds of PACS and PADs were observed in older patients, elective procedures (vs urgent), and urban teaching/nonteaching hospitals (vs rural hospitals) (P < .001). PACS was more common in hospitalizations in patients with higher levels of severity of illness as compared to those with minor severity (adjusted prevalence ratio [adjPR], 2.39; 95% confidence interval [CI], 2.08-2.73; P<.001), while PADs were performed less often in patients with higher underlying severity of illness (All Patient Refined Diagnosis Related Groups, 4 vs 1, adjPR, 0.61; 95% CI, [0.39-0.95]; P = .028). CONCLUSIONS There was a significant decrease in PAD red blood cell transfusions, while PACS has increased and subsequently decreased; PACS plays an important role in surgical blood conservation. The subsequent decline in PACS likely reflects further optimization of transfusion practice through patient blood management programs and improvement of surgical interventions.
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Affiliation(s)
- Ruchika Goel
- Department of Pathology, Johns Hopkins Hospital, Baltimore, Maryland, USA
- Mississippi Valley Regional Blood Center, Davenport, Iowa, USA
- Simmons Cancer Institute, Southern Illinois University School of Medicine, Springfield, Illinois, USA
| | - Molly R Petersen
- Department of Pathology, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Eshan U Patel
- Department of Pathology, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Zoe Packman
- Department of Pathology, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Evan M Bloch
- Department of Pathology, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Eric A Gehrie
- Department of Pathology, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | | | - Paul M Ness
- Department of Pathology, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Beth Shaz
- New York Blood Center, New York, New York, USA
| | - Louis M Katz
- Mississippi Valley Regional Blood Center, Davenport, Iowa, USA
| | - Steven M Frank
- Department of Anesthesiology, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Aaron A R Tobian
- Department of Pathology, Johns Hopkins Hospital, Baltimore, Maryland, USA
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44
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Grebe E, Busch MP, Notari EP, Bruhn R, Quiner C, Hindes D, Stone M, Bakkour S, Yang H, Williamson P, Kessler D, Reik R, Stramer SL, Glynn SA, Anderson SA, Williams AE, Custer B. HIV incidence in US first-time blood donors and transfusion risk with a 12-month deferral for men who have sex with men. Blood 2020; 136:1359-1367. [PMID: 32693408 PMCID: PMC7483431 DOI: 10.1182/blood.2020007003] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 07/07/2020] [Indexed: 12/29/2022] Open
Abstract
In 2015, the US Food and Drug Administration published revised guidance that recommended a change in blood donor deferral of men who have sex with men (MSM) from an indefinite to a 12-month deferral since the donor last had sex with a man. We assessed whether HIV incidence in first-time blood donors or associated transfusion risk increased. Donations in 4 major blood collection organizations were monitored for 15 months before and 2 years after implementation of the 12-month MSM deferral policy. HIV-positive donations were classified as recently acquired or long-term using a recent infection testing algorithm and incidence in both periods estimated. Residual transfusion transmission risk was estimated by multiplying incidence by the length of the infectious window period. The latter was estimated using a model based on infectious dose and the sensitivity of nucleic acid testing. Factors associated with incident infection in each period were assessed using Poisson regression. Overall HIV incidence in first-time donors before implementation of the 12-month MSM deferral was estimated at 2.62 cases per 100 000 person-years (105 PY) (95% credible interval [CI], 1.53-3.93 cases/105 PY), and after implementation at 2.85 cases/105 PY (95% CI, 1.96-3.93 cases/105 PY), with no statistically significant change. In male first-time donors, the incidence difference was 0.93 cases/105 PY (95% CI, -1.74-3.58 cases/105 PY). The residual risk of HIV transfusion transmission through components sourced from first-time donors was estimated at 0.32 transmissions per million (106) packed red blood cell transfusions (95% CI, 0.29-0.65 transmissions/106 transfusions) before and 0.35 transmissions/106 transfusions (95% CI, 0.31-0.65 transmissions/106 transfusions) after implementation. The difference was not statistically significant. Factors associated with incident infection were the same in each period. We observed no increase in HIV incidence or HIV transfusion transmission risk after implementation of a 12-month MSM deferral policy.
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Affiliation(s)
- Eduard Grebe
- Vitalant Research Institute, San Francisco, CA
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
| | - Michael P Busch
- Vitalant Research Institute, San Francisco, CA
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
| | - Edward P Notari
- Scientific Affairs, American Red Cross, Rockville and Gaithersburg, MD
| | - Roberta Bruhn
- Vitalant Research Institute, San Francisco, CA
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
| | - Claire Quiner
- Vitalant Research Institute, San Francisco, CA
- RTI International, Research Triangle Park, NC
| | | | - Mars Stone
- Vitalant Research Institute, San Francisco, CA
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
| | - Sonia Bakkour
- Vitalant Research Institute, San Francisco, CA
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
| | - Hong Yang
- Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD
| | | | | | | | - Susan L Stramer
- Scientific Affairs, American Red Cross, Rockville and Gaithersburg, MD
| | - Simone A Glynn
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Steven A Anderson
- Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD
| | - Alan E Williams
- Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD
| | - Brian Custer
- Vitalant Research Institute, San Francisco, CA
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
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45
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Piyush R, Rajarshi K, Khan R, Ray S. Convalescent plasma therapy: a promising coronavirus disease 2019 treatment strategy. Open Biol 2020; 10:200174. [PMID: 32898468 PMCID: PMC7536086 DOI: 10.1098/rsob.200174] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 08/18/2020] [Indexed: 12/13/2022] Open
Abstract
The world is passing through a very difficult phase due to the coronavirus disease 2019 (COVID-19) pandemic, which has disrupted almost all spheres of life. Globally, according to the latest World Health Organization report (10 August 2020), COVID-19 has affected nearly 20 million lives, causing 728 013 deaths. Due to the lack of specific therapeutic drugs and vaccines, the outbreak of disease has spawned a corpus of contagious infection all over the world, day by day, without control. As the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has a very rapid infection rate, it is essential to develop a novel ameliorative and curative strategy as quickly as possible. Convalescent plasma (CP) therapy is a type of adaptive immunity that has already been found to be effective in confronting several infectious diseases from the last two decades. For example, CP therapy was used in the treatment of viral-induced diseases like SARS-CoV epidemics, Middle East respiratory syndrome coronavirus (MERS-CoV) pandemics, Ebola epidemics and H1N1 pandemic. In this review, we have mainly focused on the therapeutic role of CP therapy and its neutralizing effect to fight against the COVID-19 outbreak.
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Affiliation(s)
- Ravikant Piyush
- School of Biotechnology, Madurai Kamaraj University, Madurai, Tamil Nadu 625021, India
| | - Keshav Rajarshi
- School of Community Science and Technology (SOCSAT), Indian Institute of Engineering Science and Technology (IIEST), Shibpur, Howrah, West Bengal 711103, India
| | - Rajni Khan
- Motihari College of Engineering, Bariyarpur, Motihari, NH 28A, Furshatpur, Motihari, Bihar 845401, India
| | - Shashikant Ray
- Department of Biotechnology, Mahatma Gandhi Central University, Motihari 845401, India
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46
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Steele WR, Dodd RY, Notari EP, Xu M, Nelson D, Kessler DA, Reik R, Williams AE, Custer B, Stramer SL. Prevalence of human immunodeficiency virus, hepatitis B virus, and hepatitis C virus in United States blood donations, 2015 to 2019: The Transfusion-Transmissible Infections Monitoring System (TTIMS). Transfusion 2020; 60:2327-2339. [PMID: 32869326 DOI: 10.1111/trf.16005] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/08/2020] [Accepted: 06/08/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND The Transfusion-Transmissible Infections Monitoring System (TTIMS) combines data from four US blood collection organizations including approximately 60% of all donations to monitor demographic and temporal trends in infectious disease markers and policy impacts. STUDY DESIGN AND METHODS Human immunodeficiency virus (HIV), hepatitis B virus (HBV), and hepatitis C virus (HCV) consensus-positive definitions combined serology and nucleic acid testing results. These along with donor and donation characteristics were assembled into a single data set. Overall donation prevalence and demographic subsets were compared pre- and post-implementation of the 2015 change in men who have sex with men (MSM) deferral policy, among other prevalence comparisons. RESULTS From October 2015 to September 2019, there were 712 HIV-, 1735 HBV-, and 5217 HCV-positive samples identified from approximately 27.5 million donations (>9.4 million donors). Prevalences per 100 000 donations were 2.6 (HIV), 6.3 (HBV), and 19.0 (HCV), and the highest for all three agents were in donations from first-time male donors. Two slight but significant increases in HIV prevalence were observed, both for comparisons of Year 1 (pre-MSM policy change) versus Year 4 (post-MSM policy change) for first-time males and first-time females; in contrast, similar comparisons demonstrated decreases in HCV prevalence (all donors and general trends for males and females). Except for HIV, prevalence increased with age; for all agents, prevalence was markedly higher in the south. CONCLUSIONS No major trends were observed over 4 years covering the MSM policy change from indefinite to a 12-month deferral, but ongoing monitoring is warranted. Demographic trends are consistent with those observed in other donor studies and community trends.
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Affiliation(s)
| | | | | | - Meng Xu
- American Red Cross, Gaithersburg, Maryland, USA
| | | | | | - Rita Reik
- OneBlood, St. Petersburg, Florida, USA
| | - Alan E Williams
- U.S. Food and Drug Administration, Silver Spring, Maryland, USA
| | - Brian Custer
- Vitalant Research Institute, San Francisco, California, USA
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47
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Rojas M, Rodríguez Y, Monsalve DM, Acosta-Ampudia Y, Camacho B, Gallo JE, Rojas-Villarraga A, Ramírez-Santana C, Díaz-Coronado JC, Manrique R, Mantilla RD, Shoenfeld Y, Anaya JM. Convalescent plasma in Covid-19: Possible mechanisms of action. Autoimmun Rev 2020. [PMID: 32380316 DOI: 10.1016/j.autrev.2020.102554.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible of the coronavirus disease 2019 (COVID-19) pandemic. Therapeutic options including antimalarials, antivirals, and vaccines are under study. Meanwhile the current pandemic has called attention over old therapeutic tools to treat infectious diseases. Convalescent plasma (CP) constitutes the first option in the current situation, since it has been successfully used in other coronaviruses outbreaks. Herein, we discuss the possible mechanisms of action of CP and their repercussion in COVID-19 pathogenesis, including direct neutralization of the virus, control of an overactive immune system (i.e., cytokine storm, Th1/Th17 ratio, complement activation) and immunomodulation of a hypercoagulable state. All these benefits of CP are expected to be better achieved if used in non-critically hospitalized patients, in the hope of reducing morbidity and mortality.
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Affiliation(s)
- Manuel Rojas
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Yhojan Rodríguez
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia; Clínica del Occidente, Bogota, Colombia
| | - Diana M Monsalve
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Yeny Acosta-Ampudia
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Bernardo Camacho
- Instituto Distrital de Ciencia Biotecnología e Investigación en Salud, IDCBIS, Bogota, Colombia
| | | | | | - Carolina Ramírez-Santana
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | | | - Rubén Manrique
- Epidemiology and Biostatistics Research Group, Universidad CES, Medellin, Colombia
| | - Ruben D Mantilla
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia; Clínica del Occidente, Bogota, Colombia
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, affiliated to Tel-Aviv University, Tel Aviv, Israel; Laboratory of the Mosaics of Autoimmunity, Saint Petersburg State University, Saint-Petersburg, Russian Federation
| | - Juan-Manuel Anaya
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia; Clínica del Occidente, Bogota, Colombia.
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48
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Rojas M, Rodríguez Y, Monsalve DM, Acosta-Ampudia Y, Camacho B, Gallo JE, Rojas-Villarraga A, Ramírez-Santana C, Díaz-Coronado JC, Manrique R, Mantilla RD, Shoenfeld Y, Anaya JM. Convalescent plasma in Covid-19: Possible mechanisms of action. Autoimmun Rev 2020; 19:102554. [PMID: 32380316 PMCID: PMC7198427 DOI: 10.1016/j.autrev.2020.102554] [Citation(s) in RCA: 309] [Impact Index Per Article: 61.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 04/12/2020] [Indexed: 12/17/2022]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible of the coronavirus disease 2019 (COVID-19) pandemic. Therapeutic options including antimalarials, antivirals, and vaccines are under study. Meanwhile the current pandemic has called attention over old therapeutic tools to treat infectious diseases. Convalescent plasma (CP) constitutes the first option in the current situation, since it has been successfully used in other coronaviruses outbreaks. Herein, we discuss the possible mechanisms of action of CP and their repercussion in COVID-19 pathogenesis, including direct neutralization of the virus, control of an overactive immune system (i.e., cytokine storm, Th1/Th17 ratio, complement activation) and immunomodulation of a hypercoagulable state. All these benefits of CP are expected to be better achieved if used in non-critically hospitalized patients, in the hope of reducing morbidity and mortality. Coronavirus disease 19 (COVID-19) is an emerging viral threat with major repercussions for public health. There is not specific treatment for COVID-19. Convalescent plasma (CP) emerges as the first option of management for hospitalized patients with COVID-19. Transference of neutralizing antibodies helps to control COVID-19 infection and modulates inflammatory response. Other plasma components may enhance the antiviral and anti-inflammatory properties of CP.
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Affiliation(s)
- Manuel Rojas
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Yhojan Rodríguez
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia; Clínica del Occidente, Bogota, Colombia
| | - Diana M Monsalve
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Yeny Acosta-Ampudia
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Bernardo Camacho
- Instituto Distrital de Ciencia Biotecnología e Investigación en Salud, IDCBIS, Bogota, Colombia
| | | | | | - Carolina Ramírez-Santana
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | | | - Rubén Manrique
- Epidemiology and Biostatistics Research Group, Universidad CES, Medellin, Colombia
| | - Ruben D Mantilla
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia; Clínica del Occidente, Bogota, Colombia
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, affiliated to Tel-Aviv University, Tel Aviv, Israel; Laboratory of the Mosaics of Autoimmunity, Saint Petersburg State University, Saint-Petersburg, Russian Federation
| | - Juan-Manuel Anaya
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia; Clínica del Occidente, Bogota, Colombia.
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