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Yu Y, Knight MJ, Gibson D, O'Brien SF, Buckeridge DL, Russell WA. Temporal trends in disparities in COVID-19 seropositivity among Canadian blood donors. Int J Epidemiol 2024; 53:dyae078. [PMID: 38840559 DOI: 10.1093/ije/dyae078] [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: 09/26/2023] [Accepted: 05/30/2024] [Indexed: 06/07/2024] Open
Abstract
BACKGROUND In Canada's largest COVID-19 serological study, SARS-CoV-2 antibodies in blood donors have been monitored since 2020. No study has analysed changes in the association between anti-N seropositivity (a marker of recent infection) and geographic and sociodemographic characteristics over the pandemic. METHODS Using Bayesian multi-level models with spatial effects at the census division level, we analysed changes in correlates of SARS-CoV-2 anti-N seropositivity across three periods in which different variants predominated (pre-Delta, Delta and Omicron). We analysed disparities by geographic area, individual traits (age, sex, race) and neighbourhood factors (urbanicity, material deprivation and social deprivation). Data were from 420 319 blood donations across four regions (Ontario, British Columbia [BC], the Prairies and the Atlantic region) from December 2020 to November 2022. RESULTS Seropositivity was higher for racialized minorities, males and individuals in more materially deprived neighbourhoods in the pre-Delta and Delta waves. These subgroup differences dissipated in the Omicron wave as large swaths of the population became infected. Across all waves, seropositivity was higher in younger individuals and those with lower neighbourhood social deprivation. Rural residents had high seropositivity in the Prairies, but not other regions. Compared to generalized linear models, multi-level models with spatial effects had better fit and lower error when predicting SARS-CoV-2 anti-N seropositivity by geographic region. CONCLUSIONS Correlates of recent COVID-19 infection have evolved over the pandemic. Many disparities lessened during the Omicron wave, but public health intervention may be warranted to address persistently higher burden among young people and those with less social deprivation.
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Affiliation(s)
- Yuan Yu
- School of Population and Global Health, McGill University, Montreal, Canada
| | - Matthew J Knight
- School of Population and Global Health, McGill University, Montreal, Canada
| | - Diana Gibson
- School of Population and Global Health, McGill University, Montreal, Canada
| | - Sheila F O'Brien
- Canadian Blood Services, Ottawa, Canada
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Canada
| | - David L Buckeridge
- School of Population and Global Health, McGill University, Montreal, Canada
- COVID-19 Immunity Task Force, Montreal, Canada
| | - W Alton Russell
- School of Population and Global Health, McGill University, Montreal, Canada
- COVID-19 Immunity Task Force, Montreal, Canada
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Yu EA, Stone M, Bravo MD, Grebe E, Bruhn RL, Lanteri MC, Townsend M, Kamel H, Jones JM, Busch MP, Custer B. Associations of Temporal Cardiometabolic Patterns and Incident SARS-CoV-2 Infection Among U.S. Blood Donors With Serologic Evidence of Vaccination. AJPM FOCUS 2024; 3:100186. [PMID: 38304025 PMCID: PMC10832374 DOI: 10.1016/j.focus.2024.100186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Introduction Cardiometabolic diseases are associated with greater COVID-19 severity; however, the influences of cardiometabolic health on SARS-CoV-2 infections after vaccination remain unclear. Our objective was to investigate the associations between temporal blood pressure and total cholesterol patterns and incident SARS-CoV-2 infections among those with serologic evidence of vaccination. Methods In this prospective cohort of blood donors, blood samples were collected in 2020-2021 and assayed for binding antibodies of SARS-CoV-2 nucleocapsid protein antibody seropositivity. We categorized participants into intraindividual pattern subgroups of blood pressure and total cholesterol (persistently, intermittently, or not elevated [systolic blood pressure <130 mmHg, diastolic blood pressure <80 mmHg, total cholesterol <200 mg/dL]) across the study time points. Results Among 13,930 donors with 39,736 donations representing 1,127,071 person-days, there were 221 incident SARS-CoV-2 infections among those with serologic evidence of vaccination (1.6%). Intermittent hypertension was associated with greater SARS-CoV-2 infections among those with serologic evidence of vaccination risk (adjusted incidence rate ratio=2.07; 95% CI=1.44, 2.96; p<0.01) than among participants with consistent normotension on the basis of a multivariable Poisson regression. Among men, intermittently elevated total cholesterol (adjusted incidence rate ratio=1.90; 95% CI=1.32, 2.74; p<0.01) and higher BMI at baseline (adjusted hazard ratio=1.44; 95% CI=1.07, 1.93; p=0.01; per 10 units) were associated with greater SARS-CoV-2 infections among those with serologic evidence of vaccination probability; these associations were null among women (both p>0.05). Conclusions Our findings underscore that the benefits of cardiometabolic health, particularly blood pressure, include a lower risk of SARS-CoV-2 infection after vaccination.
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Affiliation(s)
- Elaine A. Yu
- Vitalant Research Institute, San Francisco, California
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California
| | - Mars Stone
- Vitalant Research Institute, San Francisco, California
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California
| | | | - Eduard Grebe
- Vitalant Research Institute, San Francisco, California
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California
| | - Roberta L. Bruhn
- Vitalant Research Institute, San Francisco, California
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California
| | - Marion C. Lanteri
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California
- Creative Testing Solutions, Tempe, Arizona
| | | | | | | | - Michael P. Busch
- Vitalant Research Institute, San Francisco, California
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California
- Vitalant, Scottsdale, Arizona
| | - Brian Custer
- Vitalant Research Institute, San Francisco, California
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California
- Vitalant, Scottsdale, Arizona
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Haugen M, Magnussen K, Aarsland TE, Nissen-Meyer LSH, Strand TA. The effect of donation frequency on donor health in blood donors donating plasma by plasmapheresis: study protocol for a randomized controlled trial. Trials 2024; 25:175. [PMID: 38468338 PMCID: PMC10926559 DOI: 10.1186/s13063-024-08035-7] [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: 07/19/2023] [Accepted: 03/05/2024] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND The demand for plasma products is growing, necessitating an increase in plasma collection by plasmapheresis. While the 20th edition of the European Guidelines permits plasma donors in Europe to donate with 96-h donation intervals, the potential short- and long-term consequences of high-frequency plasma donations on donor health remain unknown. This study aims to measure the effect of plasma donation frequency on plasma protein composition, including total serum protein (TSP) and immunoglobulin G (IgG), in Norwegian male blood donors. METHODS This randomized controlled trial (RCT) included 120 male blood donors who were randomized into two intervention groups and one control group: high-frequency plasma donors (HFPDs) who donated 650 mL of plasma 3 times every 2 weeks, whereas regular-frequency plasma donors (RFPDs) who donated 650 mL of plasma 1 time every 2 weeks. The control group consisted of whole blood donors. The primary outcomes are the concentrations of TSP and IgG. DISCUSSION The findings from this study may have implications for recommendations related to donor health and plasma donation frequencies and may contribute to supporting the strategic independence of plasma products in Norway and Europe without compromising donor health. TRIAL REGISTRATION ClinicalTrials.gov: NCT05179200 . Registered December 20th, 2021.
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Affiliation(s)
- Morten Haugen
- Department of Immunology and Transfusion Medicine, Innlandet Hospital Trust, Anders Sandvigs Gate 17, 2609, Lillehammer, Norway.
- Faculty of Medicine, University of Oslo, Oslo, Norway.
| | - Karin Magnussen
- Department of Immunology and Transfusion Medicine, Innlandet Hospital Trust, Anders Sandvigs Gate 17, 2609, Lillehammer, Norway
| | - Tonje Eiane Aarsland
- Women's Clinic, Innlandet Hospital Trust, Lillehammer, Norway
- Department of Global Public Health and Primary Care, Center of International Health, University of Bergen, Bergen, Norway
| | | | - Tor A Strand
- Department of Research, Innlandet Hospital Trust, Lillehammer, Norway
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4
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Vermeulen M, Mhlanga L, Sykes W, Cable R, Coleman C, Pietersen N, Swanevelder R, Glatt TN, Bingham J, van den Berg K, Grebe E, Welte A. The evolution and interpretation of seroprevalence of SARS-CoV-2 antibodies among South African blood donors from the Beta to Omicron variant-driven waves. Vox Sang 2024; 119:242-251. [PMID: 38156504 DOI: 10.1111/vox.13571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 11/14/2023] [Accepted: 11/17/2023] [Indexed: 12/30/2023]
Abstract
BACKGROUND AND OBJECTIVES Confirmed COVID-19 diagnoses underestimate the total number of infections. Blood donors can provide representative seroprevalence estimates, which can be leveraged into reasonable estimates of total infection counts and infection fatality rate (IFR). MATERIALS AND METHODS Blood donors who donated after each of three epidemic waves (Beta, Delta and first Omicron waves) were tested for anti-SARS-CoV-2 nucleocapsid antibodies using the Roche Elecsys anti-SARS-CoV-2 total immunoglobulin assay. Roche Elecsys anti-spike antibody testing was done for the post-Omicron sampling. Prevalence of antibodies was estimated by age, sex, race and province and compared to official case reporting. Province and age group-specific IFRs were estimated using external excess mortality estimates. RESULTS The nationally weighted anti-nucleocapsid seroprevalence estimates after the Beta, Delta and Omicron waves were 47% (46.2%-48.6%), 71% (68.8%-73.5%) and 87% (85.5%-88.4%), respectively. There was no variation by age and sex, but there were statistically and epidemiologically significant differences by province (except at the latest time point) and race. There was a 13-fold higher seroprevalence than confirmed case counts at the first time point. Age-dependent IFR roughly doubled for every 10 years of age increase over 6 decades from 0.014% in children to 6.793% in octogenarians. CONCLUSION Discrepancies were found between seroprevalence and confirmed case counts. High seroprevalence rates found among Black African donors can be ascribed to historical inequities. Our IFR estimates were useful in refining previous large disagreements about the severity of the epidemic in South Africa. Blood donor-based serosurveys provided a valuable and efficient way to provide near real-time monitoring of the ongoing SARS-CoV-2 outbreak.
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Affiliation(s)
- Marion Vermeulen
- South African National Blood Service, Johannesburg, South Africa
- University of the Free State, Bloemfontein, South Africa
| | - Laurette Mhlanga
- DSI-NRF Centre of Excellence in Epidemiological Modelling and Analysis (SACEMA), Stellenbosch University, Stellenbosch, South Africa
- Northwestern University, Chicago, Illinois, USA
| | - Wendy Sykes
- South African National Blood Service, Johannesburg, South Africa
| | | | - Charl Coleman
- South African National Blood Service, Johannesburg, South Africa
| | | | | | - Tanya Nadia Glatt
- South African National Blood Service, Johannesburg, South Africa
- University of Johannesburg, Johannesburg, South Africa
| | - Jeremy Bingham
- DSI-NRF Centre of Excellence in Epidemiological Modelling and Analysis (SACEMA), Stellenbosch University, Stellenbosch, South Africa
| | - Karin van den Berg
- South African National Blood Service, Johannesburg, South Africa
- University of the Free State, Bloemfontein, South Africa
- University of Cape Town, Rondebosch, South Africa
| | - Eduard Grebe
- DSI-NRF Centre of Excellence in Epidemiological Modelling and Analysis (SACEMA), Stellenbosch University, Stellenbosch, South Africa
- Vitalant Research Institute, San Francisco, California, USA
- University of California San Francisco, San Francisco, California, USA
| | - Alex Welte
- DSI-NRF Centre of Excellence in Epidemiological Modelling and Analysis (SACEMA), Stellenbosch University, Stellenbosch, South Africa
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Su S, Sun Y, Gu X, Wu W, Su X, Ma T, Song A, Xie X, Wang L, Cheng Q, Guo L, Zhang L, Yang J. Exploration of the Healthy Donor Effect Among 0.6 Million Blood Donors in China: Longitudinal Study. JMIR Public Health Surveill 2024; 10:e48617. [PMID: 38386403 PMCID: PMC10921323 DOI: 10.2196/48617] [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: 05/01/2023] [Revised: 09/15/2023] [Accepted: 01/31/2024] [Indexed: 02/23/2024] Open
Abstract
BACKGROUND The World Health Organization emphasizes the importance of completely voluntary blood donation to maintain safe and sustainable blood supplies. However, the benefits of blood donation for donors, such as reducing the risk of disease, remain a topic of debate due to the existence of the healthy donor effect (HDE). This effect arises because of inherent health differences between blood donors and the general population, and it is also considered a methodological issue. OBJECTIVE This study aims to generate a more detailed health profile of blood donors from a donor cohort study to mitigate and quantify the HDE and properly interpret the association between blood donation and disease outcomes among blood donors. METHODS A retrospective cohort study was conducted between January 2012 and December 2018 among donors before their first donation. One-to-one propensity score matching was conducted through a random selection of individuals without any history of blood donation, as reported from their electronic health records. We conducted a Poisson regression between blood donors and non-blood donors before the first donation to estimate the adjusted incidence rate ratio (AIRR) of selected blood donation-related diseases, as defined by 13 categories of International Classification of Diseases, Tenth Revision (ICD-10) codes. RESULTS Of the 0.6 million blood donors, 15,115 had an inpatient record before their first donation, whereas 17,356 non-blood donors had an inpatient record. For the comparison between blood donors and the matched non-blood donors, the HDE (the disease incidence rate ratio between non-blood donors and blood donors) was an AIRR of 1.152 (95% CI 1.127-1.178; P<.001). Among disease categories not recommended for blood donation in China, the strongest HDE was observed in the ICD-10 D50-D89 codes, which pertain to diseases of the blood and blood-forming organs as well as certain disorders involving the immune mechanism (AIRR 3.225, 95% CI 2.402-4.330; P<.001). After age stratification, we found that people who had their first blood donation between 46-55 years old had the strongest HDE (AIRR 1.816, 95% CI 1.707-1.932; P<.001). Both male and female donors had significant HDE (AIRR 1.082, 95% CI 1.05-1.116; P=.003; and AIRR 1.236, 95% CI 1.196-1.277; P<.001, respectively) compared with matched non-blood donors. CONCLUSIONS : Our research findings suggest that the HDE is present among blood donors, particularly among female donors and those who first donated blood between the ages of 46 and 55 years. TRIAL REGISTRATION Chinese Clinical Trial Registry ChiCTR2200055983; https://www.chictr.org.cn/showproj.html?proj=51760.
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Affiliation(s)
- Shu Su
- Department of Transfusion Medicine, Shaanxi Provincial People's Hospital, Xi'an, China
- Department of Epidemiology and Biostatistics, The Second Affiliated Hospital of Chongqing Medical University, Chong Qing, China
| | - Yang Sun
- Department of Transfusion Medicine, Shaanxi Provincial People's Hospital, Xi'an, China
- Data Center, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Xiaoyun Gu
- Department of Information Technology, Shaanxi Health Information Center, Xi'an, China
| | - Wenjie Wu
- Department of Information Technology, Shaanxi Health Information Center, Xi'an, China
| | - Xiaodong Su
- Department of Medical Record Management, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Ting Ma
- Department of Transfusion Medicine, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Aowei Song
- Department of Transfusion Medicine, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Xinxin Xie
- Department of Transfusion Medicine, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Liqin Wang
- Department of Transfusion Medicine, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Qianke Cheng
- Department of Information Technology, Shaanxi Health Information Center, Xi'an, China
| | - Lingxia Guo
- Planning Development and Information Office, Health Commission of Shaanxi Province, Xi'an, China
| | - Lei Zhang
- Department of Transfusion Medicine, Shaanxi Provincial People's Hospital, Xi'an, China
- China-Australia Joint Research Center for Infectious Diseases, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China
- Artificial Intelligence and Modelling in Epidemiology Program, Melbourne Sexual Health Centre, Alfred Health, Melbourne, Australia
- Central Clinical School, Faculty of Medicine, Monash University, Melbourne, Australia
| | - Jiangcun Yang
- Department of Transfusion Medicine, Shaanxi Provincial People's Hospital, Xi'an, China
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6
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Conti G, Notari E, Dodd RY, Kessler D, Custer B, Reik R, Lanteri MC, Hailu B, Yang H, Stramer SL. Syphilis seroprevalence and incidence in US blood donors from 2020 to 2022. Transfusion 2024; 64:325-333. [PMID: 38180267 PMCID: PMC10922865 DOI: 10.1111/trf.17707] [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: 10/11/2023] [Revised: 12/22/2023] [Accepted: 12/22/2023] [Indexed: 01/06/2024]
Abstract
BACKGROUND HIV, HBV, and HCV infections for ~60% of the US blood supply are monitored by TTIMS with syphilis added in 2020. STUDY DESIGN AND METHODS Data were compiled from October 2020 to September 2022. Syphilis prevalence was estimated for allogeneic and directed donors who were consensus positive (CP) and the subset of those with confirmed-active infections (AI). Prevalence and incidence were stratified by demographics for two consecutive 1-year periods, starting October 1, 2020 and for both years combined. Incidence was estimated for repeat donors. Associations between syphilis positivity and other infections were evaluated. RESULTS Among 14.75 million donations, syphilis prevalence was 28.4/100,000 donations and significantly higher during the second year compared to the first year. Overall, syphilis incidence for the two-year period was 10.8/100,000 person-years. The adjusted odds of a CP infection were 1.18 (95% CI: 1.11, 1.26) times higher in the second year compared to the first, and for AI, 1.22 (95% CI: 1.10, 1.35) times higher in year 2. Highest rates occurred among males, first-time, Black, and younger (ages 18-39) donors, and those in the South US Census region. Syphilis CP donors were 64 (95% CI: 46, 89) times more likely to be HIV CP, and AI donors 77 (95% CI: 52, 114) times more likely to be HIV CP than non-CP donors, when controlling for confounders. SUMMARY/CONCLUSIONS Syphilis prevalence increased over the study period mirroring national trends reported by CDC and is significantly associated with HIV CP.
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Affiliation(s)
- Galen Conti
- American Red Cross, Scientific Affairs, Rockville, MD
| | - Ed Notari
- American Red Cross, Scientific Affairs, Rockville, MD
| | - Roger Y. Dodd
- American Red Cross, Scientific Affairs, Rockville, MD
| | | | - Brian Custer
- Vitalant Research Institute, San Francisco, CA
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
| | | | - Marion C. Lanteri
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA
- Creative Testing Solutions, Tempe, AZ
| | | | - Hong Yang
- US Food and Drug Administration, Silver Spring, MD
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Clancy J, Ritari J, Vaittinen E, Arvas M, Tammi S, Koskela S, Partanen J. Blood donor biobank as a resource in personalised biomedical genetic research. Eur J Hum Genet 2024:10.1038/s41431-023-01528-0. [PMID: 38212662 DOI: 10.1038/s41431-023-01528-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 10/14/2023] [Accepted: 12/19/2023] [Indexed: 01/13/2024] Open
Abstract
Health questionnaires and donation criteria result in accumulation of highly selected individuals in a blood donor population. To understand better the usefulness of a blood donor-based biobank in personalised disease-associated genetic studies, and for possible personalised blood donation policies, we evaluated the occurrence and distributions of common and rare disease-associated genetic variants in Finnish Blood Service Biobank. We analysed among 31,880 blood donors the occurrence and geographical distribution of (i) 53 rare Finnish-enriched disease-associated variants, (ii) mutations assumed to influence blood donation: four Bernard-Soulier syndrome and two hemochromatosis mutations, (iii) type I diabetes risk genotype HLA-DQ2/DQ8. In addition, we analysed the level of consanguinity in Blood Service Biobank. 80.3% of blood donors carried at least one (range 0-9 per donor) of the rare variants, many in homozygous form, as well. Donors carrying multiple rare variants were enriched in Eastern Finland. Haemochromatosis mutation HFE C282Y homozygosity was 43.8% higher than expected, whereas mutations leading to Bernard-Soulier thrombocytopenia were rare. The frequency of HLA-DQ2/DQ8 genotype was slightly lower than expected. First-degree consanguinity was higher in Blood Service Biobank than in the general population. We demonstrate that despite donor selection, the Blood Service Biobank is a valuable resource for personalised medical research and for genotype-selected samples from unaffected individuals. The geographical genetic substructure of Finland enables efficient recruitment of donors carrying rare variants. Furthermore, we show that blood donor biobank material can be utilised for personalised blood donation policies.
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Affiliation(s)
- Jonna Clancy
- Blood Service Biobank, Finnish Red Cross Blood Service, Vantaa, Finland.
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland.
| | - Jarmo Ritari
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland
| | | | - Mikko Arvas
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland
| | - Silja Tammi
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland
| | - Satu Koskela
- Blood Service Biobank, Finnish Red Cross Blood Service, Vantaa, Finland
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland
| | - Jukka Partanen
- Blood Service Biobank, Finnish Red Cross Blood Service, Vantaa, Finland
- Research and Development, Finnish Red Cross Blood Service, Helsinki, Finland
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8
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Albinsson B, Hoffman T, Kolstad L, Bergström T, Bogdanovic G, Heydecke A, Hägg M, Kjerstadius T, Lindroth Y, Petersson A, Stenberg M, Vene S, Ellström P, Rönnberg B, Lundkvist Å. Seroprevalence of tick-borne encephalitis virus and vaccination coverage of tick-borne encephalitis, Sweden, 2018 to 2019. Euro Surveill 2024; 29:2300221. [PMID: 38214080 PMCID: PMC10785208 DOI: 10.2807/1560-7917.es.2024.29.2.2300221] [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: 04/14/2023] [Accepted: 11/07/2023] [Indexed: 01/13/2024] Open
Abstract
BackgroundIn Sweden, information on seroprevalence of tick-borne encephalitis virus (TBEV) in the population, including vaccination coverage and infection, is scattered. This is largely due to the absence of a national tick-borne encephalitis (TBE) vaccination registry, scarcity of previous serological studies and use of serological methods not distinguishing between antibodies induced by vaccination and infection. Furthermore, the number of notified TBE cases in Sweden has continued to increase in recent years despite increased vaccination.AimThe aim was to estimate the TBEV seroprevalence in Sweden.MethodsIn 2018 and 2019, 2,700 serum samples from blood donors in nine Swedish regions were analysed using a serological method that can distinguish antibodies induced by vaccination from antibodies elicited by infection. The regions were chosen to reflect differences in notified TBE incidence.ResultsThe overall seroprevalence varied from 9.7% (95% confidence interval (CI): 6.6-13.6%) to 64.0% (95% CI: 58.3-69.4%) between regions. The proportion of vaccinated individuals ranged from 8.7% (95% CI: 5.8-12.6) to 57.0% (95% CI: 51.2-62.6) and of infected from 1.0% (95% CI: 0.2-3.0) to 7.0% (95% CI: 4.5-10.7). Thus, more than 160,000 and 1,600,000 individuals could have been infected by TBEV and vaccinated against TBE, respectively. The mean manifestation index was 3.1%.ConclusionA difference was observed between low- and high-incidence TBE regions, on the overall TBEV seroprevalence and when separated into vaccinated and infected individuals. The estimated incidence and manifestation index argue that a large proportion of TBEV infections are not diagnosed.
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Affiliation(s)
- Bo Albinsson
- Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
- These authors contributed equally to the work and share the first authorship
- Laboratory of Clinical Microbiology, Uppsala University Hospital, Uppsala, Sweden
| | - Tove Hoffman
- Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
- These authors contributed equally to the work and share the first authorship
| | - Linda Kolstad
- Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | - Tomas Bergström
- Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Gordana Bogdanovic
- Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden
| | - Anna Heydecke
- Centre for Research and Development, Uppsala University, Region Gävleborg, Gävle, Sweden
| | - Mirja Hägg
- Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden
| | | | - Ylva Lindroth
- Department of Laboratory Medicine, Medical Microbiology, Lund University, Skåne Laboratory Medicine, Lund, Sweden
| | - Annika Petersson
- Department of Clinical Chemistry and Transfusion Medicine, Växjö Central Hospital, Växjö, Sweden
| | - Marie Stenberg
- Laboratory Medical Center Gotland, Visby hospital, Visby, Sweden
| | - Sirkka Vene
- Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | - Patrik Ellström
- Laboratory of Clinical Microbiology, Uppsala University Hospital, Uppsala, Sweden
- Zoonosis Science Center, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Bengt Rönnberg
- Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
- Laboratory of Clinical Microbiology, Uppsala University Hospital, Uppsala, Sweden
| | - Åke Lundkvist
- Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
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9
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Ebner B, Fleckenstein F, Volz Y, Eismann L, Hermans J, Buchner A, Enzinger B, Weinhold P, Wichmann C, Stief CG, Humpe A, Pyrgidis N, Schulz GB. Oncological impact of perioperative blood transfusion in bladder cancer patients undergoing radical cystectomy: Do we need to consider storage time of blood units, donor age, or gender matching? Transfusion 2024; 64:29-38. [PMID: 38053445 DOI: 10.1111/trf.17618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/08/2023] [Accepted: 10/18/2023] [Indexed: 12/07/2023]
Abstract
BACKGROUND The oncological impact of perioperative blood transfusions (PBTs) of patients undergoing radical cystectomy (RC) because of bladder cancer (BCa) has been a controversial topic discussed in recent years. The main cause for the contradictory findings of existing studies might be the missing consideration of the storage time of red blood cell units (BUs), donor age, and gender matching. STUDY DESIGN AND METHODS We retrospectively analyzed BCa patients who underwent RC in our department between 2004 and 2021. We excluded patients receiving BUs before RC, >10 BUs, or RC in a palliative setting. We assessed the effect of blood donor characteristics and storage time on overall survival (OS) and cancer-specific survival (CSS) through univariate and multivariable Cox regression analysis. We also performed a propensity score matching with patients who received BUs and patients who did not on a 1:1 ratio. RESULTS We screened 1692 patients and included 676 patients for the propensity score matching. In the multivariable analysis, PBT was independently associated with worse OS and CSS (p < .001). Postoperative transfusions were associated with better OS (p = .004) and CSS (p = .008) compared to intraoperative or mixed transfusions. However, there was no influence of blood donor age, storage time, or gender matching on prognosis. DISCUSSION In our study of BCa patients undergoing RC, we demonstrate that PBT, especially if administered intraoperatively, is an independent risk factor for a worse prognosis. However, storage time, donor age, or gender matching did not negatively affect oncological outcomes. Therefore, the specific selection of blood products does not promise any benefits.
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Affiliation(s)
- Benedikt Ebner
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | | | - Yannic Volz
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Lennert Eismann
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Julian Hermans
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Alexander Buchner
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Benazir Enzinger
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Philipp Weinhold
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
| | - Christian Wichmann
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany
| | | | - Andreas Humpe
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany
| | - Nikolaos Pyrgidis
- Department of Urology, University Hospital, LMU Munich, Munich, Germany
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10
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Marraccini C, Merolle L, Schiroli D, Razzoli A, Gavioli G, Iotti B, Baricchi R, Ottone M, Mancuso P, Giorgi Rossi P. A cohort study on the biochemical and haematological parameters of Italian blood donors as possible risk factors of COVID-19 infection and severe disease in the pre- and post-Omicron period. PLoS One 2023; 18:e0294272. [PMID: 37988390 PMCID: PMC10662768 DOI: 10.1371/journal.pone.0294272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/27/2023] [Indexed: 11/23/2023] Open
Abstract
To investigate the association between biochemical and blood parameters collected before the pandemic in a large cohort of Italian blood donors with the risk of infection and severe disease. We also focused on the differences between the pre- and post-Omicron spread in Italy (i.e., pre- and post-January 01, 2022) on the observed associations. We conducted an observational cohort study on 13750 blood donors was conducted using data archived up to 5 years before the pandemic. A t-test or chi-squared test was used to compare differences between groups. Hazard ratios with 95% confidence intervals for SARS-CoV-2 infection and severe disease were estimated using Cox proportional hazards models. Subgroup analyses stratified by sex, age and epidemic phase of first infection (pre- and post-Omicron spread) were examined. We confirmed a protective effect of groups B and O, while groups A and AB had a higher likelihood of infection and severe disease. However, these associations were only significant in the pre-Omicron period. We found an opposite behavior after Omicron spread, with the O phenotype having a higher probability of infection. When stratified by variant, A antigen appeared to protect against Omicron infection, whereas it was associated with an increased risk of infection by earlier variants. We were able to stratify for the SARS CoV-2 dominant variant, which revealed a causal association between blood group and probability of infection, as evidenced by the strong effect modification observed between the pre- and post-Omicron spread. The mechanism by which group A acts on the probability of infection should consider this strong effect modification.
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Affiliation(s)
- Chiara Marraccini
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Lucia Merolle
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Davide Schiroli
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Agnese Razzoli
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
- Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Reggio Emilia, Italy
| | - Gaia Gavioli
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
- Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Reggio Emilia, Italy
| | - Barbara Iotti
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Roberto Baricchi
- Transfusion Medicine Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Marta Ottone
- Epidemiology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Pamela Mancuso
- Epidemiology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Paolo Giorgi Rossi
- Epidemiology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
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11
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Sagara Y, Nakamura H, Satake M, Matsuzaki K. Detection of early phase human T-cell leukemia virus type 1 and 2 infection with an improved confirmatory test. J Clin Virol 2023; 168:105598. [PMID: 37748321 DOI: 10.1016/j.jcv.2023.105598] [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: 07/25/2023] [Revised: 09/11/2023] [Accepted: 09/17/2023] [Indexed: 09/27/2023]
Abstract
BACKGROUND Human T-cell leukemia virus type 1 (HTLV-1) is a blood-borne virus, and mandatory testing of donated blood for HTLV-1 antibodies has been adopted by Japanese Red Cross blood centers since 1986. A confirmatory line immunoassay was initiated in 2019 for individuals who were seroreactive in the screening test. This decreased the incidence of indeterminate individuals, however, donors with indeterminate results are not informed of their HTLV-1 seroreactivity and they can continue to donate blood. OBJECTIVES To clarify the characteristics of indeterminate line immunoassay results among Japanese blood donors. STUDY DESIGN Of 759,259 blood donors in the Kyushu district of Japan, an area endemic for HTLV-1, 101 cases were classified as indeterminate by line immunoassay testing. We examined these cases using alternative secondary antibodies, anti-human-Ig (IgG/IgM/IgA) and -IgM antibodies, to detect the early phase of HTLV infection. RESULTS Using anti-human-Ig and -IgM antibodies, HTLV infection status was confirmed in 37 individuals (HTLV-1-positive, 2; HTLV-positive, 27; HTLV-negative, 8). Among the remaining 64 indeterminate individuals, we identified one HTLV-2-infected 18-year-old female. A previous blood donation from this individual showed a negative anti-HTLV screening test result (signal-to-cutoff ratio = 0.1). Therefore, this case was considered to be an HTLV-2 seroconversion case. CONCLUSIONS These results indicate that the procedure for diagnosing HTLV infection should be reconsidered and that an accurate detection system for the early phase of HTLV infection is urgently needed for public health in Japan. Moreover, the issue of HTLV-2 infection needs a higher profile in Japan.
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Affiliation(s)
- Yasuko Sagara
- Japanese Red Cross Kyushu Block Blood Center, 1-2-1 Kamikoga, Chikushino, Fukuoka 818-8588, Japan.
| | - Hitomi Nakamura
- Japanese Red Cross Kyushu Block Blood Center, 1-2-1 Kamikoga, Chikushino, Fukuoka 818-8588, Japan
| | - Masahiro Satake
- Japanese Red Cross Society, 2-1-67 Tatsumi, Tokyo 135-8521, Japan
| | - Koji Matsuzaki
- Japanese Red Cross Kyushu Block Blood Center, 1-2-1 Kamikoga, Chikushino, Fukuoka 818-8588, Japan
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12
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Fransen M, Becker M, Hershman J, Lenart J, Simon T, McCausland K, Parfitt A, Weissfeld L. Effects of donation frequency on U.S. source plasma donor health. Transfusion 2023; 63:1885-1903. [PMID: 37622454 DOI: 10.1111/trf.17523] [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: 05/18/2023] [Revised: 07/21/2023] [Accepted: 07/21/2023] [Indexed: 08/26/2023]
Abstract
BACKGROUND Plasma-derived medicinal products (PDMPs) are essential, life-saving medicines manufactured from plasma donated by healthy human volunteers. PDMPs are used to treat a range of rare, serious, and chronic conditions, often genetic in origin. Approximately 70% of the Source Plasma (SP) used for PDMP manufacturing comes from United States (US). The hypothesis of the study is that US donation frequency does not impair donor self-reported functional health and well-being. STUDY DESIGN AND METHODS A total of 5608 SP donors from 14 US SP centers were enrolled in a cross-sectional study to assess self-reported health related quality of life (HRQoL) and well-being. By sex, donors were assigned to one of four groups, according to their frequency of SP donation in the 12 months before enrollment. The SF-36v2® Health Survey (SF-36v2) and a survey assessing the frequency of various health conditions that may be associated with impaired immune function over different time periods were used. RESULTS There were no statistically significant differences in SF-36v2 scores between any of the donor frequency groups, compared with new donors after controlling for potential confounding and accounting for multiple comparisons among males and females. Cough, cold, occasional fatigue, and sore throat were the most reported health conditions or symptoms, but there was no clear difference among sex or frequency groups. DISCUSSION The self-reported data in this study support the hypothesis that compensated donations at US FDA permitted frequencies and volumes are consistent with maintaining donor health. Compared with the general population, SP donors have comparable or better health than the general population.
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Affiliation(s)
| | | | | | - James Lenart
- Takeda/BioLife Plasma Services LP, Bannockburn, IL, USA
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13
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Sticchi Damiani A, Zizza A, Banchelli F, Gigante M, De Feo ML, Ostuni A, Marinelli V, Quagnano S, Negro P, Di Renzo N, Guido M. Association between ABO blood groups and SARS-CoV-2 infection in blood donors of Puglia region. Ann Hematol 2023; 102:2923-2931. [PMID: 37442822 PMCID: PMC10492875 DOI: 10.1007/s00277-023-05331-1] [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: 03/09/2023] [Accepted: 06/17/2023] [Indexed: 07/15/2023]
Abstract
This is an observational multicentric cross-sectional study aiming at assessing the association between ABO blood groups and SARS-CoV-2 seroprevalence among the blood donors in Puglia region. Data on ABO and Rh blood groups and demographic characteristics were obtained from Blood Bank Information System. All donors were screened for SARS-CoV-2 IgG antibodies. Comparison of seroprevalence among blood groups and the association between the recorded variables and seroprevalence were evaluated. A total of 35,709 donors from 22 centers were included, with a seroprevalence of 6.8%. The distribution of ABO phenotypes was blood type O (46.8%), A (34.0%), B (14.7%), and AB (4.5%). Among the 2416 donors reactive for SARS-CoV-2 IgG, the prevalent phenotype was blood type O (43.1%), followed by A (37.7%), B (14.2%), and AB (5%). The seroprevalence of phenotype A and AB was 7.5%, followed by B (6.5%) and O (6.2%). According to the adjusted analysis, there was an increase in seroprevalence in groups A and AB, compared to group O, and an increase in males compared to females. A possible effect modification was observed after stratifying for sex (p = 0.0515). A significantly lower prevalence of blood type O was found compared to A and AB, whereas no association was observed between Rh factor and seroprevalence. We hypothesized that the A antigen present in blood type A and AB can play a role in the binding of SARS-CoV-2 to ACE2 receptors, resulting in an increased risk of infection. Furthermore, natural anti-A/anti-B antibodies produced in group O could block viral adhesion to cells and explain a lower risk of infection.
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Affiliation(s)
- Alessia Sticchi Damiani
- Immunohaematology and Transfusion Medicine Unit, Inter-Company Department of Transfusion Medicine (IDTM) of Local Health Unit (LHU) of Lecce, Vito Fazzi Hospital, 73100, Lecce, Italy.
| | - Antonella Zizza
- Institute of Clinical Physiology, National Research Council, Via Prov.Le Lecce-Monteroni, 73100, Lecce, Italy.
| | - Federico Banchelli
- Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Modena, Italy
- Unit of Statistical and Methodological Support to Clinical Research, University Hospital of Modena, Modena, Italy
| | - Maddalena Gigante
- Immunohaematology and Transfusion Medicine Unit, Inter-Company Department of Transfusion Medicine (IDTM) of Local Health Unit (LHU) of Bari, S. Paolo Hospital, Bari, Italy
| | - Maria Lucia De Feo
- Immunohaematology and Transfusion Medicine Unit, Inter-Company Department of Transfusion Medicine (IDTM) of Local Health Unit (LHU) of Foggia, Ospedali Riuniti of Foggia, Foggia, Italy
| | - Angelo Ostuni
- Immunohaematology and Transfusion Medicine Unit, Policlinico of Bari, Bari, Italy
| | - Valerio Marinelli
- Immunohaematology and Transfusion Medicine Unit, Inter-Company Department of Transfusion Medicine (IDTM) of Local Health Unit (LHU) of Lecce, Vito Fazzi Hospital, 73100, Lecce, Italy
| | - Serena Quagnano
- Immunohaematology and Transfusion Medicine Unit, Inter-Company Department of Transfusion Medicine (IDTM) of Local Health Unit (LHU) of Lecce, Vito Fazzi Hospital, 73100, Lecce, Italy
| | - Pierpaolo Negro
- Immunohaematology and Transfusion Medicine Unit, Inter-Company Department of Transfusion Medicine (IDTM) of Local Health Unit (LHU) of Lecce, Vito Fazzi Hospital, 73100, Lecce, Italy
| | - Nicola Di Renzo
- Immunohaematology and Transfusion Medicine Unit, Inter-Company Department of Transfusion Medicine (IDTM) of Local Health Unit (LHU) of Lecce, Vito Fazzi Hospital, 73100, Lecce, Italy
| | - Marcello Guido
- Laboratory of Hygiene, Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce, Italy
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14
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Henning MAS, Barati F, Jemec GBE. Quality of life in individuals with primary hyperhidrosis: a systematic review and meta-analysis. Clin Auton Res 2023; 33:519-528. [PMID: 37507605 DOI: 10.1007/s10286-023-00954-w] [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: 03/26/2023] [Accepted: 05/18/2023] [Indexed: 07/30/2023]
Abstract
PURPOSE Hyperhidrosis can be a debilitating disease that leads to the deterioration of well-being. In this study, the objective was to compare the health-related quality of life (HRQOL) in individuals with and without hyperhidrosis by conducting a systematic review and meta-analysis. METHODS The Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement and the Meta-analysis Of Observational Studies in Epidemiology checklist were employed. We systematically searched Cochrane Library, Embase and PubMed. Two authors independently assessed the literature and extracted the data. The risk of bias was assessed using the Newcastle-Ottawa Scale. A random-effects model was employed. The heterogeneity was determined using I2. RESULTS Eleven studies met the eligibility criteria comprising 4297 and 147,604 participants with and without hyperhidrosis, respectively. The risk of bias ranged from high quality to very high risk of bias. The individuals with hyperhidrosis had a higher Dermatology Life Quality Index (mean difference 8.53; 95% confidence interval 3.47, 13.58; p = 0.0009) and a lower mental component summary of the short form-12 or -36 (mean difference -6.15; 95% confidence interval -9.00, -3.30; p < 0.0001) than the control individuals. No difference was found for the physical component summary score of the short form-12 or -36 (mean difference -0.88; 95% confidence interval -1.88, 0.12; p = 0.085). Studies using patient-reported outcomes, not included in the meta-analysis, showed similar results. CONCLUSION Individuals with hyperhidrosis experience a reduced HRQOL that is clinically meaningful and leads to perceivable deteriorations in their well-being. The evidence shows a high degree of heterogeneity, which warrants additional studies.
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Affiliation(s)
- Mattias A S Henning
- Department of Dermatology, Zealand University Hospital, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - Farnam Barati
- Department of Dermatology, Zealand University Hospital, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Gregor B E Jemec
- Department of Dermatology, Zealand University Hospital, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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15
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Wang J, Wang Y, Zhou W, Huang Y, Yang J. Impacts of cigarette smoking on blood circulation: do we need a new approach to blood donor selection? JOURNAL OF HEALTH, POPULATION, AND NUTRITION 2023; 42:62. [PMID: 37408051 DOI: 10.1186/s41043-023-00405-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/28/2023] [Indexed: 07/07/2023]
Abstract
Smoking is a major public health problem and is considered the leading cause of preventable death worldwide. Gas-phase smoke carries bioactive substances and toxic compounds, affecting human health and reducing life spans. The negative effects of smoking on red blood cell (RBC) quality include destroying RBCs and increasing carboxy hemoglobin (COHb). Smoking increases the concentrations of heavy metals such as cadmium (Cd) and lead (Pb) in the blood. Moreover, tobacco smoking has been found to be associated with heightened platelet (PLT)-dependent thrombin level which will induce a prothrombotic state. Smoking may affect the blood circulation of donors, and subsequently the blood components, and ultimately the recipients of transfusion. Nevertheless, there are no restrictions on smoking for volunteer blood donor screenings currently. We reviewed the articles about the influence of smoking on smokers' blood circulation as well as the impact of donated blood products on transfusion when these smokers act as blood donors. We aim to attract blood collection centers' attention to strengthen the management of blood donors who smoke, avoiding their use in massive transfusion protocol and susceptible recipients, especially pediatric ones.
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Affiliation(s)
- Jie Wang
- Department of Transfusion, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan Province, People's Republic of China
| | - Yuhan Wang
- Department of Laboratory Medicine, Luzhou Longmatan District People's Hospital, Luzhou, 625000, Sichuan Province, People's Republic of China
| | - Weixin Zhou
- Department of Transfusion, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan Province, People's Republic of China
| | - Yuanshuai Huang
- Department of Transfusion, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan Province, People's Republic of China
| | - Jianbo Yang
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan Province, People's Republic of China.
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16
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Valenti L, Corradini E, Adams LA, Aigner E, Alqahtani S, Arrese M, Bardou-Jacquet E, Bugianesi E, Fernandez-Real JM, Girelli D, Hagström H, Henninger B, Kowdley K, Ligabue G, McClain D, Lainé F, Miyanishi K, Muckenthaler MU, Pagani A, Pedrotti P, Pietrangelo A, Prati D, Ryan JD, Silvestri L, Spearman CW, Stål P, Tsochatzis EA, Vinchi F, Zheng MH, Zoller H. Consensus Statement on the definition and classification of metabolic hyperferritinaemia. Nat Rev Endocrinol 2023; 19:299-310. [PMID: 36805052 PMCID: PMC9936492 DOI: 10.1038/s41574-023-00807-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/19/2023] [Indexed: 02/19/2023]
Abstract
Hyperferritinaemia is a common laboratory finding that is often associated with metabolic dysfunction and fatty liver. Metabolic hyperferritinaemia reflects alterations in iron metabolism that facilitate iron accumulation in the body and is associated with an increased risk of cardiometabolic and liver diseases. Genetic variants that modulate iron homeostasis and tissue levels of iron are the main determinants of serum levels of ferritin in individuals with metabolic dysfunction, raising the hypothesis that iron accumulation might be implicated in the pathogenesis of insulin resistance and the related organ damage. However, validated criteria for the non-invasive diagnosis of metabolic hyperferritinaemia and the staging of iron overload are still lacking, and there is no clear evidence of a benefit for iron depletion therapy. Here, we provide an overview of the literature on the relationship between hyperferritinaemia and iron accumulation in individuals with metabolic dysfunction, and on the associated clinical outcomes. We propose an updated definition and a provisional staging system for metabolic hyperferritinaemia, which has been agreed on by a multidisciplinary global panel of expert researchers. The goal is to foster studies into the epidemiology, genetics, pathophysiology, clinical relevance and treatment of metabolic hyperferritinaemia, for which we provide suggestions on the main unmet needs, optimal design and clinically relevant outcomes.
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Affiliation(s)
- Luca Valenti
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy.
- Biological Resource Center and Precision Medicine Lab, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milano, Milan, Italy.
- Department of Transfusion Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milano, Milan, Italy.
| | - Elena Corradini
- Department of Medical and Surgical Sciences, Università degli Studi di Modena e Reggio Emilia, Modena, Italy.
- Internal Medicine and Centre for Hemochromatosis and Hereditary Liver Diseases, Azienda Ospedaliero-Universitaria di Modena-Policlinico, Modena, Italy.
| | - Leon A Adams
- Medical School, University of Western Australia, Perth, Australia
| | - Elmar Aigner
- First Department of Medicine, University Clinic Salzburg, Paracelsus Medical University Salzburg, Salzburg, Austria
| | - Saleh Alqahtani
- Royal Clinics and Gastroenterology and Hepatology, King Faisal Specialist Hospital & Research Centre, Riyadh, Kingdom of Saudi Arabia
- Division of Gastroenterology and Hepatology, Johns Hopkins University, Baltimore, MD, USA
| | - Marco Arrese
- Department of Gastroenterology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Edouard Bardou-Jacquet
- University of Rennes, UMR1241, CHU Rennes, National Reference Center for Hemochromatosis and iron metabolism disorder, INSERM CIC1414, Rennes, France
| | - Elisabetta Bugianesi
- Department of Medical Sciences, Division of Gastroenterology, University of Turin, Turin, Italy
| | - Jose-Manuel Fernandez-Real
- Department of Diabetes, Endocrinology and Nutrition, Dr Josep Trueta University Hospital, Girona, Spain
- Department of Medical Sciences, Faculty of Medicine, Girona University, Girona, Spain
- Nutrition, Eumetabolism and Health Group, Girona Biomedical Research Institute (IdibGi), Girona, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Domenico Girelli
- Section of Internal Medicine, Department of Medicine, University of Verona, Policlinico Giambattista Rossi, Verona, Italy
| | - Hannes Hagström
- Division of Hepatology, Department of Upper GI Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Benjamin Henninger
- Department of Radiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Kris Kowdley
- Liver Institute Northwest, Seattle, WA, USA
- Elson S. Floyd College of Medicine, Washington State University, Seattle, WA, USA
| | - Guido Ligabue
- Department of Medical and Surgical Sciences, Università degli Studi di Modena e Reggio Emilia, Modena, Italy
- Division of Radiology, Ospedale di Sassuolo S.p.A, Sassuolo, Modena, Italy
| | - Donald McClain
- Wake Forest School of Medicine, Winston Salem, NC, USA
- Department of Veterans Affairs, Salisbury, NC, USA
| | - Fabrice Lainé
- INSERM CIC1414, Liver Unit, CHU Rennes, Rennes, France
| | - Koji Miyanishi
- Department of Medical Oncology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Martina U Muckenthaler
- Department of Paediatric Hematology, Oncology and Immunology, University of Heidelberg, Heidelberg, Germany
- Center for Molecular Translational Iron Research, Molecular Medicine Partnership Unit, European Molecular Biology Laboratory, Heidelberg, Germany
- German Centre for Cardiovascular Research, Partner Site Heidelberg, Heidelberg, Germany
| | - Alessia Pagani
- Regulation of Iron Metabolism Unit, Division of Genetics and Cell Biology, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Patrizia Pedrotti
- Laboratorio di RM Cardiaca Cardiologia 4, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Antonello Pietrangelo
- Department of Medical and Surgical Sciences, Università degli Studi di Modena e Reggio Emilia, Modena, Italy
- Internal Medicine and Centre for Hemochromatosis and Hereditary Liver Diseases, Azienda Ospedaliero-Universitaria di Modena-Policlinico, Modena, Italy
| | - Daniele Prati
- Department of Transfusion Medicine, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milano, Milan, Italy
| | - John D Ryan
- Hepatology Unit, Beaumont Hospital, RCSI University of Medicine and Health Sciences, Dublin, Ireland
| | - Laura Silvestri
- Regulation of Iron Metabolism Unit, Division of Genetics and Cell Biology, IRCCS Ospedale San Raffaele, Milan, Italy
| | - C Wendy Spearman
- Division of Hepatology, Department of Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Per Stål
- Division of Hepatology, Department of Upper GI Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Emmanuel A Tsochatzis
- UCL Institute for Liver and Digestive Health, Royal Free Hospital and UCL, London, UK
| | - Francesca Vinchi
- Iron Research Laboratory, Lindsley F.Kimball Research Institute, New York Blood Center, New York, NY, USA
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Ming-Hua Zheng
- NAFLD Research Center, Department of Hepatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- Key Laboratory of Diagnosis and Treatment for the Development of Chronic Liver Disease in Zhejiang Province, Wenzhou, China
| | - Heinz Zoller
- Department of Medicine I, Medical University of Innsbruck, Innsbruck, Austria
- Doppler Laboratory on Iron and Phosphate Biology, Innsbruck, Austria
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17
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Offergeld R, Preußel K, Zeiler T, Aurich K, Baumann-Baretti BI, Ciesek S, Corman VM, Dienst V, Drosten C, Görg S, Greinacher A, Grossegesse M, Haller S, Heuft HG, Hofmann N, Horn PA, Houareau C, Gülec I, Jiménez Klingberg CL, Juhl D, Lindemann M, Martin S, Neuhauser HK, Nitsche A, Ohme J, Peine S, Sachs UJ, Schaade L, Schäfer R, Scheiblauer H, Schlaud M, Schmidt M, Umhau M, Vollmer T, Wagner FF, Wieler LH, Wilking H, Ziemann M, Zimmermann M, der Heiden MA. Monitoring the SARS-CoV-2 Pandemic: Prevalence of Antibodies in a Large, Repetitive Cross-Sectional Study of Blood Donors in Germany—Results from the SeBluCo Study 2020–2022. Pathogens 2023; 12:pathogens12040551. [PMID: 37111436 PMCID: PMC10144823 DOI: 10.3390/pathogens12040551] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/17/2023] [Accepted: 03/27/2023] [Indexed: 04/05/2023] Open
Abstract
SARS-CoV-2 serosurveillance is important to adapt infection control measures and estimate the degree of underreporting. Blood donor samples can be used as a proxy for the healthy adult population. In a repeated cross-sectional study from April 2020 to April 2021, September 2021, and April/May 2022, 13 blood establishments collected 134,510 anonymised specimens from blood donors in 28 study regions across Germany. These were tested for antibodies against the SARS-CoV-2 spike protein and nucleocapsid, including neutralising capacity. Seroprevalence was adjusted for test performance and sampling and weighted for demographic differences between the sample and the general population. Seroprevalence estimates were compared to notified COVID-19 cases. The overall adjusted SARS-CoV-2 seroprevalence remained below 2% until December 2020 and increased to 18.1% in April 2021, 89.4% in September 2021, and to 100% in April/May 2022. Neutralising capacity was found in 74% of all positive specimens until April 2021 and in 98% in April/May 2022. Our serosurveillance allowed for repeated estimations of underreporting from the early stage of the pandemic onwards. Underreporting ranged between factors 5.1 and 1.1 in the first two waves of the pandemic and remained well below 2 afterwards, indicating an adequate test strategy and notification system in Germany.
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Affiliation(s)
- Ruth Offergeld
- Robert Koch Institute, Nordufer 20, 13353 Berlin, Germany
| | - Karina Preußel
- Robert Koch Institute, Nordufer 20, 13353 Berlin, Germany
| | - Thomas Zeiler
- German Red Cross Blood Service West, 58097 Hagen, Germany
| | - Konstanze Aurich
- Institute for Immunology and Transfusion Medicine, University Medicine Greifswald, Sauerbruchstrasse, 17475 Greifswald, Germany
| | | | - Sandra Ciesek
- Institute for Medical Virology, German Centre for Infection Research, External Partner Site Frankfurt, University Hospital, Goethe University Frankfurt am Main, 39120 Frankfurt am Main, Germany
| | - Victor M. Corman
- Institute of Virology, German National Reference Laboratory for Coronavirus, Charité—University Medicine Berlin, 10117 Berlin, Germany
| | | | - Christian Drosten
- Institute of Virology, German National Reference Laboratory for Coronavirus, Charité—University Medicine Berlin, 10117 Berlin, Germany
| | - Siegfried Görg
- Institute of Transfusion Medicine, University Hospital of Schleswig-Holstein, Lübeck/Kiel, Ratzeburger Allee 160, 23538 Lübeck, Germany
| | - Andreas Greinacher
- Institute for Immunology and Transfusion Medicine, University Medicine Greifswald, Sauerbruchstrasse, 17475 Greifswald, Germany
| | | | | | - Hans-Gert Heuft
- Institute of Transfusion Medicine and Immunohaematology/Blood Bank, University Hospital Magdeburg, Leipziger Str. 44, 39120 Magdeburg, Germany
| | | | - Peter A. Horn
- Institute for Transfusion Medicine, University Hospital Essen, Hufelandstraße 55, 45147 Essen, Germany
| | | | - Ilay Gülec
- Institute of Transfusion Medicine and Immunohematology, German Red Cross Blood Transfusion Service Baden-Württemberg—Hessen, Sandhofstraße 1, 60528 Frankfurt am Main, Germany
| | | | - David Juhl
- Institute of Transfusion Medicine, University Hospital of Schleswig-Holstein, Lübeck/Kiel, Ratzeburger Allee 160, 23538 Lübeck, Germany
| | - Monika Lindemann
- Institute for Transfusion Medicine, University Hospital Essen, Hufelandstraße 55, 45147 Essen, Germany
| | - Silke Martin
- Bavarian Red Cross Blood Service, Herzog-Heinrich-Str. 2, 80336 München, Germany
| | | | | | - Julia Ohme
- German Red Cross Blood Service NSTOB, Eldagsener Straße 38, 31832 Springe, Germany
| | - Sven Peine
- Institute of Transfusion Medicine, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Ulrich J. Sachs
- Center for Transfusion Medicine and Haemotherapy, University Hospital Giessen and Marburg, Langhansstr. 7, 35392 Giessen, Germany
| | - Lars Schaade
- Robert Koch Institute, Nordufer 20, 13353 Berlin, Germany
| | - Richard Schäfer
- Institute for Transfusion Medicine and Gene Therapy, Faculty of Medicine, Medical Center—University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany
| | | | - Martin Schlaud
- Robert Koch Institute, Nordufer 20, 13353 Berlin, Germany
| | - Michael Schmidt
- Institute of Transfusion Medicine and Immunohematology, German Red Cross Blood Transfusion Service Baden-Württemberg—Hessen, Sandhofstraße 1, 60528 Frankfurt am Main, Germany
| | - Markus Umhau
- Institute for Transfusion Medicine and Gene Therapy, Faculty of Medicine, Medical Center—University of Freiburg, Hugstetter Str. 55, 79106 Freiburg, Germany
| | - Tanja Vollmer
- Heart and Diabetes Centre NRW, Institute for Laboratory and Transfusion Medicine, Ruhr-University Bochum, 32545 Bad Oeynhausen, Germany
| | - Franz F. Wagner
- German Red Cross Blood Service NSTOB, Eldagsener Straße 38, 31832 Springe, Germany
| | | | | | - Malte Ziemann
- Institute of Transfusion Medicine, University Hospital of Schleswig-Holstein, Lübeck/Kiel, Ratzeburger Allee 160, 23538 Lübeck, Germany
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Amo-Tachie S, Dei-Adomokoh Y. Healthful Practices Among Blood Donors in a Low-Income Setting. INTERNATIONAL JOURNAL OF MEDICAL STUDENTS 2023. [DOI: 10.5195/ijms.2022.1535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
Abstract
Background: Blood donation is sustained by the availability of healthy donors. It does not only require recruiting new healthy donors, but also maintaining existing ones in optimal health. As recruitment of new donors is not guaranteed, it is essential that existing donors are always in good shape. The study therefore assesses the lifestyles and healthy habits of a sample of recurrent blood donors, their demographic characteristics, and motivations for donation.
Methods: This was a cross-sectional study involving 127 blood donors between the ages of 17 and 60 years in Korle-bu, Ghana. Participants were sampled by the snowball method and administered pre-tested electronic questionnaires. The data was summarised using the Numbers software by Apple Inc. and then analysed.
Results: All were non-smokers and engaged conscientiously in at least one healthy habit of a sort, with 60.3% actively following fitness schedules. There were no lifestyle-related health conditions or substance addictions. Up to 94% of the respondents had attained university education. Motivations for donations revolved mostly around altruism and almost half (46.5%) of the respondents conceded that being blood donors had made them live healthier.
Conclusion: Voluntary blood donors in the selected low-income setting were mostly health conscious, and the donor status significantly affected this way of life, only more indirectly than directly. More indirectly because the healthy habits practised were predominantly personal well-being oriented but reinforced by the desire to donate blood in many situations.
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19
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Review of blood donor deferral with emphasis on donor and patient safety. Transfus Clin Biol 2023; 30:56-62. [PMID: 35835317 DOI: 10.1016/j.tracli.2022.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Blood donor deferral is a part and parcel of the commitment of the blood transfusion services to assure the safety and health of the blood donor as well as the recipient. Periodic review of blood donor deferral is to incorporate or revoke deferral reasons based on the evidence generated in the process of review. Therefore, emphasis must be laid on preparing strategies to only judiciously defer blood donors, recruit and retain first time blood donors, which needs critical appraisal of the existing deferral policies, so that the evidence based changes can be done. MATERIAL AND METHODS A retrospective analysis of deferral in blood donors who presented at the blood donation centre of an institute of national importance over a span of nine years (2011-2019). Donors were screened as per the Drugs and Cosmetics Act 1940 and Rules 1945 given by the Ministry of Health and Family Welfare, Govt of India. RESULTS There were 1,37,935 donors attempts, out of which 20,167 (14.6%) donors were deferred from donating blood. Most of the deferred donors were male (88.5%), first time (86.1%) and temporarily deferred (87.6%). Almost comparable number of donors (49.1 % & 48.5%) were deferred for donor safety and patient safety reasons respectively. Overall the three most common reasons for deferral were low hemoglobin (21.6%), hypertension (11.4%) and history of jaundice (9%). In donor safety reasons, low hemoglobin (43.4%), hypertension (22.9%) and low blood pressure (4.5%), and in patient safety, a history of jaundice (18.6%), common cold (15.8%), and high-risk behavior (8.8%) emerged as the three most common reasons for deferral respectively. CONCLUSION Blood donor deferral is an essential quality indicator of the blood donor selection process. Initiatives like fortification of dietary ingredients with iron, optimizing protein in diet served in schools under mid-day meal program, screening for iron deficiency, hypertension and education about high-risk behavior in schools and colleges may have long term effects of promotion of better health.
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20
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Gupta V, Patidar GK, Hote M, Mehar R, Dhiman Y, Hazarika A. Association of blood donor's biological characteristics on outcomes of cardiac surgery patients receiving red blood cells transfusion. Transfus Clin Biol 2023; 30:130-136. [PMID: 36191899 DOI: 10.1016/j.tracli.2022.09.068] [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: 08/12/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 02/07/2023]
Abstract
OBJECTIVES This study aimed to assess the association of blood donor variables on the outcome of patients undergoing cardiac surgery. STUDY DESIGN AND METHODS A retrospective observational study was conducted on patients who had cardiac surgery between January 2018 and December 2020. Blood donor characteristics such as age (≤ or >30 years), sex, and body mass index (BMI) (≤ or >25 kg/m2) were analyzed for association with patient outcomes (length of hospital stay (LOS), mortality, and readmission). Sex matching was done as fully match, fully mismatch, and partial mismatch. Cox regression and Linear regression models were used to study the association with mortality and readmission, and LOS. RESULTS During the study period, 5788 patients had cardiac surgery; receiving a total of 20,348 red cell units. Of which, 522 (9%) died, 531 (9.2%) re-admitted and median LOS was 11 days (IQR 7-18). BMI >25 kg/m2 (β, 2.96; p = 0.000), female to male transfusion (partial mismatch: β, 4.42; p = 0.001; fully mismatch: β, 9.0; p = 0.02) negatively affected LOS. BMI >25 kg/m2 (HR, 2.07; p = 0.00) and partial mismatch transfusion to male patients (HR, 1.60; p = 0.01) increased mortality. Fully mismatch transfusion to female patients (HR, 1.24; p = 0.01) and partial mismatch to male patients (HR, 1.86; p = 0.01) increased readmission. No association of donor age on patient outcome was observed. DISCUSSION Blood donor sex, and BMI can influence mortality and LOS in cardiac surgery patients. The use of computer tools to match the patient's and donor's characteristics can assist to eliminate these types of adverse consequences.
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Affiliation(s)
- Vidushi Gupta
- Department of Transfusion Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Gopal K Patidar
- Department of Transfusion Medicine, All India Institute of Medical Sciences, New Delhi, India.
| | - Milind Hote
- Department of Cardiovascular and Thoracic Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Radheshyam Mehar
- Department of Transfusion Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Yashaswi Dhiman
- Department of Immunohematology & Blood Transfusion, Himalayan Institute of Medical Sciences, Swami Rama Himalayan University, Dehradun, Jollygrant, Uttarakhand, India
| | - Anjali Hazarika
- Department of Transfusion Medicine, All India Institute of Medical Sciences, New Delhi, India; CMO (SAG), Department of Transfusion Medicine, All India Institute of Medical Sciences, New Delhi, India
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21
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Spencer BR, White JL, Patel EU, Goel R, Bloch EM, Tobian AA. Eligibility Considerations for Female Whole Blood Donors: Hemoglobin Levels and Iron Status in a Nationally Representative Population. Transfus Med Rev 2023; 37:27-35. [PMID: 36528466 PMCID: PMC10787604 DOI: 10.1016/j.tmrv.2022.11.001] [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: 10/05/2022] [Revised: 11/15/2022] [Accepted: 11/19/2022] [Indexed: 11/27/2022]
Abstract
Blood collection from minority populations improves the transfusion support of patients with sickle cell disease and thalassemia, but efforts are challenged by high deferral rates for hemoglobin (Hb) eligibility thresholds. This study sought to evaluate hemoglobin and iron status of a representative US female population to assess the suitability of 12.0 g/dL as minimum hemoglobin. Data were extracted from the National Health and Nutrition Examination Surveys (NHANES), 1999-2010. A national sample designed to reflect potential female blood donors (weight ≥110 lbs, not pregnant, no infectious marker reactivity, and no blood donation in past year) aged 16 to 49 years was analyzed for Hb and serum ferritin (SF) measures by race/ethnicity (N = 6937). Mean Hb and SF and the prevalence of iron deficiency ([ID] SF<12 ng/mL and SF<26 ng/mL) and low Hb (<12.5 g/dL and <12.0 g/dL) were estimated. Multivariable modified Poisson regression compared the prevalence for ID or low Hb at each cutoff by race/ethnicity. Mean SF values were higher and ID prevalence was lower in Non-Hispanic (NH) White (SF = 45.3 ng/mL, SF<12 ng/mL = 8.2%) than NH Black (SF = 39.6 ng/mL, SF<12 ng/mL = 14.2%) and Hispanic (SF = 36.5 ng/mL, SF<12 ng/mL = 12.7%) females. Compared to NH White females (13.7 g/dL), mean Hb was lower in NH Black (12.6 g/dL) and Hispanic females (13.4 g/dL). The percentage with Hb<12.5 g/dL was >4 times greater in NH Black (39.1%) and >2 times greater in Hispanic females (16.5%) compared to NH White (8.6%). Within 0.5 g/dL incremental categories of Hb, NH Black had higher mean SF levels and lower prevalence of SF<12 ng/mL or <26 ng/mL compared to NH White and Hispanic females. At Hb of 12.0 to 12.4g/dL, NH Black females had better measures of iron status (SF = 39.1 ng/mL, %SF<12 ng/mL = 12.0%) than NH White (SF = 33.6 ng/mL, %SF<12 ng/mL=15.8%) and Hispanic (SF = 30.4 ng/mL, %SF<12 ng/mL=15.5%) females whose Hb was 12.5 to 12.9 g/dL. Adjusting for age and Hb, the prevalence ratio for low SF was significantly lower in NH Black compared to NH White females at both SF<26 ng/mL (adjusted prevalence ratio [aPR] = 0.83, 95%CI = 0.76-0.92) and SF<12 ng/mL (aPR = 0.66, 95%CI = 0.52-0.83). NH Black females with Hb 12.0 to 12.4g/dL have better iron stores than NH White and Hispanic females whose Hb is 12.5 to 12.9 g/dL. The distribution of Hb and iron may support the safe collection of blood for female donors below the current Hb eligibility requirement of 12.5 g/dL.
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Affiliation(s)
| | - Jodie L White
- Department of Pathology, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - Eshan U Patel
- Department of Pathology, Johns Hopkins University, School of Medicine, Baltimore, MD, USA; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Ruchika Goel
- Department of Pathology, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - Evan M Bloch
- Department of Pathology, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - Aaron Ar Tobian
- Department of Pathology, Johns Hopkins University, School of Medicine, Baltimore, MD, USA.
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22
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Brodersen T, Rostgaard K, Lau CJ, Juel K, Erikstrup C, Nielsen KR, Ostrowski SR, Titlestad K, Saekmose SG, Pedersen OBV, Hjalgrim H. The healthy donor effect and survey participation, becoming a donor and donor career. Transfusion 2023; 63:143-155. [PMID: 36479702 PMCID: PMC10107247 DOI: 10.1111/trf.17190] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 09/29/2022] [Accepted: 09/29/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND The healthy donor effect (HDE) is a selection bias caused by the health criteria blood donors must meet. It obscures investigations of beneficial/adverse health effects of blood donation and complicates the generalizability of findings from blood donor cohorts. To further characterize the HDE we investigated how self-reported health and lifestyle are associated with becoming a blood donor, lapsing, and donation intensity. Furthermore, we examined differences in mortality based on donor status. STUDY DESIGN AND METHODS The Danish National Health Survey was linked to the Scandinavian Donations and Transfusions (SCANDAT) database and Danish register data. Logistic- and normal regression was used to compare baseline characteristics and participation. Poisson regression was used to investigate future donation choices. Donation intensity was explored by the Anderson-Gill model and Poisson regression. Mortality was investigated using Poisson regression. RESULTS Blood donors were more likely to participate in the surveys, OR = 2.45 95% confidence interval (2.40-2.49) than non-donors. Among survey participants, better self-reported health and healthier lifestyle were associated with being or becoming a blood donor, donor retention, and to some extent donation intensity, for example, current smoking conveyed lower likelihood of becoming a donor, OR = 0.70 (0.66-0.75). We observed lower mortality for donors and survey participants, respectively, compared with non-participating non-donors. CONCLUSION We provide evidence that blood donation is associated with increased likelihood to participate in health surveys, possibly a manifestation of the HDE. Furthermore, becoming a blood donor, donor retention, and donation intensity was associated with better self-reported health and healthier lifestyles.
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Affiliation(s)
- Thorsten Brodersen
- Department of Clinical Immunology, Zealand University Hospital, Køge, Denmark.,Department of Science and Environment, Roskilde University, Roskilde, Denmark
| | - Klaus Rostgaard
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.,Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Cathrine Juel Lau
- Centre for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, Frederiksberg, Denmark
| | - Knud Juel
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
| | - Christian Erikstrup
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Kasper Rene Nielsen
- Department of Clinical Immunology, Aalborg University Hospital, Aalborg, Denmark
| | - Sisse Rye Ostrowski
- Department of Clinical Immunology, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Kjell Titlestad
- Department of Clinical Immunology, Odense University Hospital, Odense, Denmark
| | - Susanne G Saekmose
- Department of Clinical Immunology, Zealand University Hospital, Køge, Denmark
| | - Ole B V Pedersen
- Department of Clinical Immunology, Zealand University Hospital, Køge, Denmark
| | - Henrik Hjalgrim
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.,Danish Cancer Society Research Center, Copenhagen, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.,Department of Haematology, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
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23
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Moslemi C, Sækmose S, Larsen R, Brodersen T, Didriksen M, Hjalgrim H, Banasik K, Nielsen KR, Bruun MT, Dowsett J, Kasperen KA, Mikkelsen S, Hansen TF, Ullum H, Erikstrup C, Olsson ML, Ostrowski SR, Pedersen OB. A large cohort study of the effects of Lewis, ABO, 13 other blood groups, and secretor status on COVID-19 susceptibility, severity, and long COVID-19. Transfusion 2023; 63:47-58. [PMID: 36271437 PMCID: PMC9874484 DOI: 10.1111/trf.17170] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 08/15/2022] [Accepted: 09/14/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND Previous studies have reported Blood type O to confer a lower risk of SARS-CoV-2 infection, while secretor status and other blood groups have been suspected to have a similar effect as well. STUDY DESIGN AND METHODS To determine whether any other blood groups influence testing positive for SARS-CoV-2, COVID-19 severity, or prolonged COVID-19, we used a large cohort of 650,156 Danish blood donors with varying available data for secretor status and blood groups ABO, Rh, Colton, Duffy, Diego, Dombrock, Kell, Kidd, Knops, Lewis, Lutheran, MNS, P1PK, Vel, and Yt. Of these, 36,068 tested positive for SARS-CoV-2 whereas 614,088 tested negative between 2020-02-17 and 2021-08-04. Associations between infection and blood groups were assessed using logistic regression models with sex and age as covariates. RESULTS The Lewis blood group antigen Lea displayed strongly reduced SARS-CoV-2 susceptibility OR 0.85 CI[0.79-0.93] p < .001. Compared to blood type O, the blood types B, A, and AB were found more susceptible toward infection with ORs 1.1 CI[1.06-1.14] p < .001, 1.17 CI[1.14-1.2] p < .001, and 1.2 CI[1.14-1.26] p < .001, respectively. No susceptibility associations were found for the other 13 blood groups investigated. There was no association between any blood groups and COVID-19 hospitalization or long COVID-19. No secretor status associations were found. DISCUSSION This study uncovers a new association to reduced SARS-CoV-2 susceptibility for Lewis type Lea and confirms the previous link to blood group O. The new association to Lea could be explained by a link between mucosal microbiome and SARS-CoV-2.
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Affiliation(s)
- Camous Moslemi
- Department of Clinical ImmunologyZealand University HospitalKøgeDenmark
| | - Susanne Sækmose
- Department of Clinical ImmunologyZealand University HospitalKøgeDenmark
| | - Rune Larsen
- Department of Clinical ImmunologyZealand University HospitalKøgeDenmark
| | | | - Maria Didriksen
- Department of Clinical ImmunologyCopenhagen University Hospital, RigshopitaletCopenhagenDenmark
| | - Henrik Hjalgrim
- Department of Clinical ImmunologyAarhus University HospitalSkejbyDenmark
| | - Karina Banasik
- Novo Nordisk Foundation Center for Protein ResearchUniversity of CopenhagenCopenhagenDenmark
| | - Kaspar R. Nielsen
- Department of Clinical ImmunologyAalborg University HospitalAalborgDenmark
| | - Mie T. Bruun
- Department of Clinical ImmunologyOdense University HospitalOdenseDenmark
| | - Joseph Dowsett
- Department of Clinical ImmunologyCopenhagen University Hospital, RigshopitaletCopenhagenDenmark
| | - Kathrine A. Kasperen
- Danish Cancer Society Research CenterCopenhagenDenmark,Danish Big Data Centre for Environment and Health (BERTHA)Aarhus UniversityRoskildeDenmark
| | | | - Thomas F. Hansen
- Novo Nordisk Foundation Center for Protein ResearchUniversity of CopenhagenCopenhagenDenmark,Department of NeurologyNeuroGenomic group, RigshospitaletGlostrupDenmark
| | | | | | - Martin L. Olsson
- Department of Laboratory MedicineLund UniversityLundSweden,Department of Clinical Immunology and Transfusion MedicineOffice for Medical ServicesLundSweden
| | - Sisse R. Ostrowski
- Department of Clinical ImmunologyCopenhagen University Hospital, RigshopitaletCopenhagenDenmark,Department of Clinical Medicine, Faculty of Health and Medical SciencesUniversity of CopenhagenCopenhagenDenmark
| | - Ole B. Pedersen
- Department of Clinical ImmunologyZealand University HospitalKøgeDenmark,Department of Clinical Medicine, Faculty of Health and Medical SciencesUniversity of CopenhagenCopenhagenDenmark
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24
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Hod EA, Brittenham GM, Bitan ZC, Feit Y, Gaelen JI, La Carpia F, Sandoval LA, Zhou AT, Soffing M, Mintz A, Schwartz J, Eng C, Scotto M, Caccappolo E, Habeck C, Stern Y, McMahon DJ, Kessler DA, Shaz BH, Francis RO, Spitalnik SL. A randomized trial of blood donor iron repletion on red cell quality for transfusion and donor cognition and well-being. Blood 2022; 140:2730-2739. [PMID: 36069596 PMCID: PMC9837440 DOI: 10.1182/blood.2022017288] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/06/2022] [Accepted: 07/20/2022] [Indexed: 01/21/2023] Open
Abstract
Although altruistic regular blood donors are vital for the blood supply, many become iron deficient from donation-induced iron loss. The effects of blood donation-induced iron deficiency on red cell transfusion quality or donor cognition are unknown. In this double-blind, randomized trial, adult iron-deficient blood donors (n = 79; ferritin < 15 μg/L and zinc protoporphyrin >60 μMol/mol heme) who met donation qualifications were enrolled. A first standard blood donation was followed by the gold-standard measure for red cell storage quality: a 51-chromium posttransfusion red cell recovery study. Donors were then randomized to intravenous iron repletion (1 g low-molecular-weight iron dextran) or placebo. A second donation ∼5 months later was followed by another recovery study. Primary outcome was the within-subject change in posttransfusion recovery. The primary outcome measure of an ancillary study reported here was the National Institutes of Health Toolbox-derived uncorrected standard Cognition Fluid Composite Score. Overall, 983 donors were screened; 110 were iron-deficient, and of these, 39 were randomized to iron repletion and 40 to placebo. Red cell storage quality was unchanged by iron repletion: mean change in posttransfusion recovery was 1.6% (95% confidence interval -0.5 to 3.8) and -0.4% (-2.0 to 1.2) with and without iron, respectively. Iron repletion did not affect any cognition or well-being measures. These data provide evidence that current criteria for blood donation preserve red cell transfusion quality for the recipient and protect adult donors from measurable effects of blood donation-induced iron deficiency on cognition. This trial was registered at www.clinicaltrials.gov as NCT02889133 and NCT02990559.
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Affiliation(s)
- Eldad A. Hod
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Gary M. Brittenham
- Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Zachary C. Bitan
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Yona Feit
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Jordan I. Gaelen
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Francesca La Carpia
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Luke A. Sandoval
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Alice T. Zhou
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Mark Soffing
- Department of Nuclear Medicine, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Akiva Mintz
- Department of Nuclear Medicine, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Joseph Schwartz
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Connie Eng
- Department of Pharmacy, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Marta Scotto
- Department of Pharmacy, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Elise Caccappolo
- Department of Neurology, Division of Cognitive Neuroscience, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Christian Habeck
- Department of Neurology, Division of Cognitive Neuroscience, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Yaakov Stern
- Department of Neurology, Division of Cognitive Neuroscience, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Donald J. McMahon
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | | | | | - Richard O. Francis
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
| | - Steven L. Spitalnik
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York Presbyterian Hospital, New York, NY
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25
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Sagara Y, Nakamura H, Satake M, Watanabe T, Hamaguchi I. Increasing horizontal transmission of human T-cell leukemia virus type 1 in adolescents and young adults in Japan. J Clin Virol 2022; 157:105324. [PMID: 36370501 DOI: 10.1016/j.jcv.2022.105324] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 10/30/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Human T-cell leukemia virus type 1 (HTLV-1) is a causative agent of the life-threatening diseases, adult T-cell leukemia/lymphoma and HTLV-1-associated myelopathy. Following implementation of antenatal screening in Japan, novel transmission of HTLV-1 in adolescent and adult generations is expected to replace vertical transmission as the main route for transmission. OBJECTIVES To obtain the current status of HTLV-1 horizontal infection and to assess the fluctuation of transmission occurring among adolescents and adults in Japan. STUDY DESIGN We followed-up 5,017,916 eligible repeat blood donors for 8 years from 2013 to 2021. We evaluated HTLV-1 transmission rate by age group (16-69 years-old), and calculated the total number of novel transmissions in Japan using demographic statistics published by the government of Japan. RESULTS We identified 457 seroconverters (men, 203; women, 254) in a total of 19,244,604 person-years during the study period. The number of seroconversions per 100,000 person-years was 1.54 for men and 4.21 for women. An increase in the number of novel infections was observed in both sexes in adolescent and young adult generations despite the health bias of blood donors. CONCLUSIONS We estimate that more than 2,800 new HTLV-1 infections occur annually in Japan. It is a serious concern that without immediate measures against new HTLV-1 infections, such as guideline formulation, an inclusion of HTLV as routine screening in sexual health services, an information campaign, and surveillance of the general population, novel HTLV-1 infection could continue to increase in Japan and be a source of global transmission.
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Affiliation(s)
- Yasuko Sagara
- Japanese Red Cross Kyushu Block Blood Center, 1-2-1 Kamikoga, Chikushino, Fukuoka, 818-8588, Japan.
| | - Hitomi Nakamura
- Japanese Red Cross Kyushu Block Blood Center, 1-2-1 Kamikoga, Chikushino, Fukuoka, 818-8588, Japan
| | - Masahiro Satake
- Japanese Red Cross Central Blood Institute, 2-1-67 Tatsumi, Koto-ku, Tokyo, 135-8521, Japan
| | - Toshiki Watanabe
- St-Marianna Medical University, 2-16-1 Sugao, Miyamae-ku, Kawasaki, 216-8511, Japan
| | - Isao Hamaguchi
- National Institute of Infectious Diseases, 4-7-1 Gakuen, Musashi-Murayama, Tokyo, 208-0011, Japan
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26
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Erikstrup C, Sørensen E, Nielsen KR, Bruun MT, Petersen MS, Rostgaard K, Thørner LW, Larsen M, Mikkelsen S, Dinh KM, Schwinn M, Rigas AS, Didriksen M, Dowsett J, von Stemann JH, Brodersen T, Paulsen IW, Hindhede L, Sækmose SG, Kaspersen KA, Boldsen JK, Kjerulff B, Werge T, Brunak S, Banasik K, Hansen TF, Ullum H, Hjalgrim H, Ostrowski SR, Pedersen OB. Cohort Profile: The Danish Blood Donor Study. Int J Epidemiol 2022:6747973. [PMID: 36194120 DOI: 10.1093/ije/dyac194] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 09/27/2022] [Indexed: 11/12/2022] Open
Affiliation(s)
- Christian Erikstrup
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Erik Sørensen
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Kaspar R Nielsen
- Department of Clinical Immunology, Aalborg University Hospital, Aalborg, Denmark
| | - Mie T Bruun
- Department of Clinical Immunology, Odense University Hospital, Odense, Denmark
| | - Mikkel S Petersen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Klaus Rostgaard
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.,Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Lise W Thørner
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Margit Larsen
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Susan Mikkelsen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Khoa M Dinh
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Michael Schwinn
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Andreas S Rigas
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Maria Didriksen
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Joseph Dowsett
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Jakob H von Stemann
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Thorsten Brodersen
- Department of Clinical Immunology, Zealand University Hospital, Køge, Denmark
| | - Isabella W Paulsen
- Department of Clinical Immunology, Zealand University Hospital, Køge, Denmark
| | - Lotte Hindhede
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Susanne G Sækmose
- Department of Clinical Immunology, Zealand University Hospital, Køge, Denmark
| | - Kathrine A Kaspersen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark.,Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, Aarhus, Denmark
| | - Jens K Boldsen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark.,Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, Aarhus, Denmark
| | - Bertram Kjerulff
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark.,Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, Aarhus, Denmark
| | - Thomas Werge
- Institute of Biological Psychiatry, Mental Health Services, Copenhagen University Hospital, Copenhagen, Denmark.,LF Center for GeoGenetics, GLOBE Institute, University of Copenhagen, Copenhagen, Denmark.,iPSYCH Initiative, Copenhagen, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Søren Brunak
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Karina Banasik
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Thomas F Hansen
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Danish Headache Center, Department of Neurology, Copenhagen University Hospital, Glostrup, Denmark
| | | | - Henrik Hjalgrim
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.,Danish Cancer Society Research Center, Copenhagen, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Department of Haematology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Sisse R Ostrowski
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Ole B Pedersen
- Department of Clinical Immunology, Zealand University Hospital, Køge, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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27
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Andersen RK, Bouazzi D, Erikstrup C, Nielsen KR, Burgdorf KS, Bruun MT, Hjalgrim H, Mikkelsen S, Ullum H, Pedersen OB, Ernst Jemec GB. The Social and Psychological Impact of Acne Treatment: A Cross-Sectional Study of Blood Donors. J Cutan Med Surg 2022; 26:485-493. [PMID: 35993435 DOI: 10.1177/12034754221119496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Acne in adolescence and adulthood is believed to have a long-term impact on socioeconomic status (SES) and health-related quality-of-life (HRQoL) in adults. OBJECTIVE To estimate the cross-sectional prevalence of medically treated (MedTreAc) and untreated acne (UnTreAc) and to characterize its long-term impact in adults. METHODS A nationwide cross-sectional study on 17 428 blood donors aged 18-35 was performed. Associations among acne and HRQoL, depressive symptoms, total income, and SES were investigated via linear/logistic/multinomial logistic regression analyses adjusted for relevant covariables. HRQoL was measured by the Short Form-12, and depressive symptoms by the Major Depression Inventory. The data were self-reported. RESULTS Of the participants, 3591 (20.6%) and 1354 (7.8%) identified as the MedTreAc and UnTreAc phenotype, respectively. Neither phenotype was associated with a long-term impact on total income, but the MedTreAc group was associated with being an apprentice/student (OR = 1.26; 95% CI: 1.12, 1.42; P = 1.3×10-4) or high skill-level employee (OR = 1.22, 95% CI: 1.07; 1.39, P = .0023), while self-employment was more common for those with UnTreAc (OR = 1.53; 95% CI: 1.12, 2.06, P = .0061). Additionally, the UnTreAc group was associated with a lower mental HRQoL (SF-12 mental component summary score -1.05, 95% CI: -1.56, -0.54; P = 1.4×10-9) and increased odds ratio of depressive symptoms (OR = 1.44; 95% CI: 1.00, 2.02, P = .046). CONCLUSION In this population of blood donors, the cumulative prevalence of MedTreAc and UnTreAc were 20.6% and 7.8%, respectively. Untreated acne had a long-term impact on psychosocial well-being in adulthood. It was associated with lower mental HRQoL and higher occurrence of depressive symptoms. Acne was not associated with a lower salary or SES.
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Affiliation(s)
| | - Dorra Bouazzi
- 53140 The Department of Dermatology, Zealand University, Roskilde, Denmark
| | - Christian Erikstrup
- 11297 Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Kaspar René Nielsen
- 53141 Department of Clinical Immunology, Aalborg University Hospital, Aalborg, Denmark
| | | | - Mie Topholm Bruun
- 11286 Department of Clinical Immunology, Odense University Hospital, Odense, Denmark
| | - Henrik Hjalgrim
- 4322 Centre for Cancer Research, Danish Cancer Society, Denmark
| | - Susan Mikkelsen
- 11297 Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Henrik Ullum
- 4326 Statens Serum Institut, Copenhagen, Denmark
| | - Ole Birger Pedersen
- 53140 Department of Clinical Immunology, Zealand University Hospital, Køge, Denmark
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28
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Quee FA, Peffer K, ter Braake AD, van den Hurk K. Cardiovascular benefits for blood donors? A systematic review. Transfus Med Rev 2022; 36:143-151. [DOI: 10.1016/j.tmrv.2022.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/14/2022] [Accepted: 04/15/2022] [Indexed: 10/18/2022]
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29
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Heyn J, Bräuninger S, Dimova-Dobreva M, Mathieson N, Koptelova N, Kolpakova A, Seidl C, Reinhardt P, Tsamadou C, Schrezenmeier H, Nakov R, Seifried E, Bonig H. Superior physical and mental health of healthy volunteers before and five years after mobilized stem cell donation. J Transl Med 2022; 20:121. [PMID: 35287672 PMCID: PMC8919626 DOI: 10.1186/s12967-022-03322-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 02/27/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Safety, tolerability and efficacy of granulocyte colony-stimulating factor (G-CSF) for mobilization of hematopoietic stem and progenitor cells (HSPCs) from healthy donors have been conclusively demonstrated. This explicitly includes, albeit for smaller cohorts and shorter observation periods, biosimilar G-CSFs. HSPC donation is non-remunerated, its sole reward being “warm glow”, hence harm to donors must be avoided with maximal certitude. To ascertain, therefore, long-term physical and mental health effects of HSPC donation, a cohort of G-CSF mobilized donors was followed longitudinally.
Methods
We enrolled 245 healthy volunteers in this bi-centric long-term surveillance study. 244 healthy volunteers began mobilization with twice-daily Sandoz biosimilar filgrastim and 242 underwent apheresis after G-CSF mobilization. Physical and mental health were followed up over a period of 5-years using the validated SF-12 health questionnaire.
Results
Baseline physical and mental health of HSPC donors was markedly better than in a healthy reference population matched for ethnicity, sex and age. Physical, but not mental health was sharply diminished at the time of apheresis, likely due to side effects of biosimilar G-CSF, however had returned to pre-apheresis values by the next follow-up appointment after 6 months. Physical and mental health slightly deteriorated over time with kinetics reflecting the known effects of aging. Hence, superior physical and mental health compared to the general healthy non-donor population was maintained over time.
Conclusions
HSPC donors are of better overall physical and mental health than the average healthy non-donor. Superior well-being is maintained over time, supporting the favorable risk–benefit assessment of volunteer HSPC donation.
Trial registration National Clinical Trial NCT01766934
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30
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Sass MR, Juul TS, Skov R, Iversen K, Harritshøj LH, Sørensen E, Ostrowski SR, Andersen O, Ekstrøm CT, Ullum H, Nielsen J, Hageman I, Fink-Jensen A. SARS-CoV-2 seroprevalence among patients with severe mental illness: A cross-sectional study. PLoS One 2022; 17:e0264325. [PMID: 35231037 PMCID: PMC8887729 DOI: 10.1371/journal.pone.0264325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 02/03/2022] [Indexed: 01/22/2023] Open
Abstract
Patients with severe mental illness (SMI) i.e. schizophrenia, schizoaffective disorder, and bipolar disorder are at increased risk of severe outcomes if infected with coronavirus disease 2019 (COVID-19). Whether patients with SMI are at increased risk of COVID-19 is, however, sparsely investigated. This important issue must be addressed as the current pandemic could have the potential to increase the existing gap in lifetime mortality between this group of patients and the background population. The objective of this study was to determine whether a diagnosis of schizophrenia, schizoaffective disorder, or bipolar disorder is associated with an increased risk of COVID-19. A cross-sectional study was performed between January 18th and February 25th, 2021. Of 7071 eligible patients with schizophrenia, schizoaffective disorder, or bipolar disorder, 1355 patients from seven psychiatric centres in the Capital Region of Denmark were screened for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies. A total of 1258 unvaccinated patients were included in the analysis. The mean age was 40.5 years (SD 14.6), 54.3% were female. Fifty-nine of the 1258 participants had a positive SARS-CoV-2 antibody test, corresponding to a adjusted seroprevalence of 4.96% (95% CI 3.87-6.35). No significant difference in SARS-CoV-2-risk was found between female and male participants (RR = 1.32; 95% CI 0.79-2.20; p = .290). No significant differences in seroprevalences between schizophrenia and bipolar disease were found (RR = 1.12; 95% CI 0.67-1.87; p = .667). Seroprevalence among 6088 unvaccinated blood donors from the same region and period was 12.24% (95% CI 11.41-13.11). SARS-CoV-2 seroprevalence among included patients with SMI was significantly lower than among blood donors (RR = 0.41; 95% CI 0.31-0.52; p < .001). Differences in seroprevalences remained significant when adjusting for gender and age, except for those aged 60 years or above. The study is registered at ClinicalTrails.gov (NCT04775407). https://clinicaltrials.gov/ct2/show/NCT04775407?term=NCT04775407&draw=2&rank=1.
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Affiliation(s)
- Marie Reeberg Sass
- Psychiatric Centre Copenhagen, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
- Mental Health Services, The Capital Region of Denmark, Copenhagen, Denmark
| | - Tobias Søgaard Juul
- Psychiatric Centre Copenhagen, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
- Mental Health Services, The Capital Region of Denmark, Copenhagen, Denmark
| | - Robert Skov
- Infection Disease Preparedness, Statens Serum Institut, Copenhagen, Denmark
| | - Kasper Iversen
- Department of Cardiology and Department of Emergency Medicine, Herlev and Gentofte Hospital, University of Copenhagen, Herlev, Denmark
| | - Lene Holm Harritshøj
- Department of Clinical Immunology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Erik Sørensen
- Department of Clinical Immunology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Sisse Rye Ostrowski
- Department of Clinical Immunology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Ove Andersen
- Department of Emergency and Clinical Research Centre, Hvidovre Hospital, University of Copenhagen, Hvidovre, Denmark
| | - Claus Thorn Ekstrøm
- Department of Public Health, Section of Biostatistics, University of Copenhagen, Copenhagen, Denmark
| | | | - Jimmi Nielsen
- Mental Health Services, The Capital Region of Denmark, Copenhagen, Denmark
- Psychiatric Centre Glostrup, Mental Health Services, University of Copenhagen, Glostrup, Denmark
| | - Ida Hageman
- Mental Health Services, The Capital Region of Denmark, Copenhagen, Denmark
| | - Anders Fink-Jensen
- Psychiatric Centre Copenhagen, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
- Mental Health Services, The Capital Region of Denmark, Copenhagen, Denmark
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31
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The health-related quality of life in hyperhidrosis and co-morbidities. Qual Life Res 2022; 31:2331-2340. [DOI: 10.1007/s11136-022-03108-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/14/2022] [Indexed: 10/19/2022]
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32
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Hyde MK, Masser BM, Coundouris SP. A review of whole-blood donors' willingness, motives, barriers and interventions related to donating another substance of human origin. Transfus Med 2022; 32:95-114. [PMID: 35068004 DOI: 10.1111/tme.12849] [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: 09/08/2021] [Revised: 12/10/2021] [Accepted: 12/30/2021] [Indexed: 11/29/2022]
Abstract
Diversification of blood collection agencies' (BCAs) core business requires donors to donate substances of human origin (SoHO) beyond whole-blood. Whole-blood donors are assumed to be willing to convert to donate other SoHO as well as whole-blood. However, no reviews consider the evidence on conversion (i.e., willingness/intention, behaviour, retention, attrition). This rapid review provides a narrative synthesis of whole-blood donors' conversion to another SoHO, characteristics contributing to conversion, motives and deterrents, and interventions encouraging conversion. Sixty-five studies were reviewed. Most were cross-sectional and examined whole-blood donor conversion to organ (willingness/pledge for deceased donation), plasma or stem cell donation. Most examined conversion rather than characteristics contributing to conversion, motives, deterrents or interventions. Whole-blood donors appear willing to donate another SoHO, yet conversion rates are unclear. Besides self-efficacy, there is little consistency in reported characteristics of donors converting, and few theories applied to understand characteristics encouraging conversion. Intrinsic (altruism, self-esteem, curiosity) and extrinsic (perceived need, service experience, direct requests) motives and barriers (lifestyle, fearing reduced health) appear important and require further research. Interventions encouraging conversion need replication and may include in-person, in-centre approaches, raising awareness of the functional benefits of other SoHO (high need, usefulness), and developing promotional materials that pique donors' curiosity, invite questions, and encourage donor-initiated conversations about conversion. Centralising BCAs as a single business or partnering with other organisations appears mutually beneficial to encourage conversion and sustainable panels/resources. Research is needed to understand the impact of encouraging conversion on donors and organisations, and identify optimal management strategies for multi-SoHO donors.
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Affiliation(s)
- Melissa K Hyde
- School of Psychology, The University of Queensland, Brisbane, Australia
| | - Barbara M Masser
- School of Psychology, The University of Queensland, Brisbane, Australia.,Clinical Services and Research, Australian Red Cross Lifeblood, Sydney, Australia
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33
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Pavel R, Ursoniu S, Paduraru AA, Lighezan R, Lupu MA, Olariu TR. Seroprevalence and Risk Factors of Trichinella spiralis Infection in Blood Donors from Western Romania. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58010128. [PMID: 35056436 PMCID: PMC8780118 DOI: 10.3390/medicina58010128] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 11/16/2022]
Abstract
Background and Objectives: Trichinellosis, a serious and sometimes fatal human disease, is a foodborne zoonotic disease with worldwide distribution caused by parasitic nematodes of the genus Trichinella. Humans are infected with Trichinella larvae through the ingestion of meat that has not been properly cooked. Romania reported most of the confirmed cases of trichinellosis among the EU countries. The aim of this cross-sectional study was to evaluate, for the first time, the seroprevalence and risk factors of Trichinella infection in blood donors from Western Romania. Materials and Methods: Serum samples of 1347 consecutive blood donors were investigated using an immunoenzymaticassay (ELISA) for the determination of specific IgG class antibodies against T.spiralis. A questionnaire interview was used to obtain information regarding the potential risk factors associated with T. spiralis infection. Mantel–Haenszel chi-squared test or the Fisher exact two-tailed test, as appropriate, were used for comparison between T. spiralis positive and T. spiralis negative blood donors. Student’s t-test was used to evaluate differences between means in studied groups and body mass index was calculated by dividing weight in kilograms by height in meters squared. Statistical analysis was performed using Epi Info Version 7.2 and Stata 16.1. Results: T. spiralis IgG antibodies were detected in 2.00% (27) of 1347 consecutive blood donors. Eating raw and/or undercooked meat, from pigs or wild boars, was found to be the main risk factor (p < 0.001). Strong alcoholic drink consumption was highly associated with T. spiralis infection (p = 0.009). Trichinella seroprevalence was higher among rural residents and males. Subjects identified as Trichinella seropositive were not previously diagnosed and have not been treated for Trichinella infection with any specific therapy. Conclusions: The demonstration of T. spiralis antibodies in healthy blood donors suggests that Trichinella infection may be detected in asymptomatic individuals that were not previously diagnosed with this zoonosis.
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Affiliation(s)
- Radu Pavel
- Discipline of Parasitology, Department of Infectious Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.A.P.); (R.L.); (M.A.L.)
- Center for Diagnosis and Study of Parasitic Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Discipline of Epidemiology, Department of Infectious Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Correspondence: (R.P.); (T.R.O.)
| | - Sorin Ursoniu
- Discipline of Public Health, Department of Functional Sciences, Center for Translational Research and Systems Medicine, Victor Babes University of Medicine and Pharmacy, 300173 Timisoara, Romania;
| | - Ana Alexandra Paduraru
- Discipline of Parasitology, Department of Infectious Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.A.P.); (R.L.); (M.A.L.)
- Center for Diagnosis and Study of Parasitic Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Clinical Laboratory, Municipal Clinical Emergency Hospital, 300079 Timisoara, Romania
| | - Rodica Lighezan
- Discipline of Parasitology, Department of Infectious Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.A.P.); (R.L.); (M.A.L.)
- Center for Diagnosis and Study of Parasitic Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Regional Blood Transfusion Centre, 300737 Timisoara, Romania
| | - Maria Alina Lupu
- Discipline of Parasitology, Department of Infectious Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.A.P.); (R.L.); (M.A.L.)
- Center for Diagnosis and Study of Parasitic Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Clinical Laboratory, Institute of Cardiovascular Diseases, 300310 Timisoara, Romania
| | - Tudor Rares Olariu
- Discipline of Parasitology, Department of Infectious Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania; (A.A.P.); (R.L.); (M.A.L.)
- Center for Diagnosis and Study of Parasitic Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Clinical Laboratory, Municipal Clinical Emergency Hospital, 300079 Timisoara, Romania
- Correspondence: (R.P.); (T.R.O.)
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Eriksen JKD, Coello K, Stanislaus S, Kjærstad HL, Sletved KSO, McIntyre RS, Faurholt-Jepsen M, Miskowiak KK, Poulsen HE, Kessing LV, Vinberg M. Associations between childhood maltreatment and oxidative nucleoside damage in affective disorders. Eur Psychiatry 2022; 65:e46. [PMID: 35950327 PMCID: PMC9486829 DOI: 10.1192/j.eurpsy.2022.2300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Childhood maltreatment is an established risk factor for incident unipolar disorder and bipolar disorder. It is separately observed that affective disorders (AD) are also associated with higher nucleoside damage by oxidation. Childhood maltreatment may induce higher levels of nucleoside damage by oxidation and thus contribute to the development of AD; however, this relation is only sparsely investigated. Methods In total, 860 participants (468 patients with AD, 151 unaffected first-degree relatives, and 241 healthy control persons) completed the Childhood Trauma Questionnaire (CTQ). The association between CTQ scores and markers of systemic DNA and RNA damage by oxidation as measured by urinary excretion of 8-oxo-7,8-dihydro-2′-deoxyguanosine (8-oxodG) and 8-oxo-7,8-dihydroguanosine (8-oxoGuo) levels, respectively, was investigated. Results In multiple regression models adjusted for sex- and age, 8-oxodG and 8-oxoGuo levels were found to be higher in individuals who had experienced more childhood maltreatment. These associations persisted in models additionally adjusted for body mass index, alcohol, and current smoking status. Emotional abuse, sexual abuse, and emotional neglect were principally responsible for the foregoing associations. Conclusions Our findings of an association between childhood maltreatment and oxidative stress markers suggest that childhood maltreatment overall, notably emotional abuse and emotional neglect, is associated with enhanced systemic damage to DNA and RNA in adulthood. Further, individuals with AD reported a higher prevalence of childhood maltreatment, which may induce higher levels of nucleoside damage by oxidation in adulthood, possibly leading to increased risk of developing AD. Longitudinal studies are needed to clarify this relationship further.
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Jones JM, Stone M, Sulaeman H, Fink RV, Dave H, Levy ME, Di Germanio C, Green V, Notari E, Saa P, Biggerstaff BJ, Strauss D, Kessler D, Vassallo R, Reik R, Rossmann S, Destree M, Nguyen KA, Sayers M, Lough C, Bougie DW, Ritter M, Latoni G, Weales B, Sime S, Gorlin J, Brown NE, Gould CV, Berney K, Benoit TJ, Miller MJ, Freeman D, Kartik D, Fry AM, Azziz-Baumgartner E, Hall AJ, MacNeil A, Gundlapalli AV, Basavaraju SV, Gerber SI, Patton ME, Custer B, Williamson P, Simmons G, Thornburg NJ, Kleinman S, Stramer SL, Opsomer J, Busch MP. Estimated US Infection- and Vaccine-Induced SARS-CoV-2 Seroprevalence Based on Blood Donations, July 2020-May 2021. JAMA 2021; 326:1400-1409. [PMID: 34473201 PMCID: PMC8414359 DOI: 10.1001/jama.2021.15161] [Citation(s) in RCA: 127] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
IMPORTANCE People who have been infected with or vaccinated against SARS-CoV-2 have reduced risk of subsequent infection, but the proportion of people in the US with SARS-CoV-2 antibodies from infection or vaccination is uncertain. OBJECTIVE To estimate trends in SARS-CoV-2 seroprevalence related to infection and vaccination in the US population. DESIGN, SETTING, AND PARTICIPANTS In a repeated cross-sectional study conducted each month during July 2020 through May 2021, 17 blood collection organizations with blood donations from all 50 US states; Washington, DC; and Puerto Rico were organized into 66 study-specific regions, representing a catchment of 74% of the US population. For each study region, specimens from a median of approximately 2000 blood donors were selected and tested each month; a total of 1 594 363 specimens were initially selected and tested. The final date of blood donation collection was May 31, 2021. EXPOSURE Calendar time. MAIN OUTCOMES AND MEASURES Proportion of persons with detectable SARS-CoV-2 spike and nucleocapsid antibodies. Seroprevalence was weighted for demographic differences between the blood donor sample and general population. Infection-induced seroprevalence was defined as the prevalence of the population with both spike and nucleocapsid antibodies. Combined infection- and vaccination-induced seroprevalence was defined as the prevalence of the population with spike antibodies. The seroprevalence estimates were compared with cumulative COVID-19 case report incidence rates. RESULTS Among 1 443 519 specimens included, 733 052 (50.8%) were from women, 174 842 (12.1%) were from persons aged 16 to 29 years, 292 258 (20.2%) were from persons aged 65 years and older, 36 654 (2.5%) were from non-Hispanic Black persons, and 88 773 (6.1%) were from Hispanic persons. The overall infection-induced SARS-CoV-2 seroprevalence estimate increased from 3.5% (95% CI, 3.2%-3.8%) in July 2020 to 20.2% (95% CI, 19.9%-20.6%) in May 2021; the combined infection- and vaccination-induced seroprevalence estimate in May 2021 was 83.3% (95% CI, 82.9%-83.7%). By May 2021, 2.1 SARS-CoV-2 infections (95% CI, 2.0-2.1) per reported COVID-19 case were estimated to have occurred. CONCLUSIONS AND RELEVANCE Based on a sample of blood donations in the US from July 2020 through May 2021, vaccine- and infection-induced SARS-CoV-2 seroprevalence increased over time and varied by age, race and ethnicity, and geographic region. Despite weighting to adjust for demographic differences, these findings from a national sample of blood donors may not be representative of the entire US population.
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Affiliation(s)
- Jefferson M. Jones
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Mars Stone
- Vitalant Research Institute, San Francisco, California
| | | | | | - Honey Dave
- Vitalant Research Institute, San Francisco, California
| | | | | | | | - Edward Notari
- Scientific Affairs, American Red Cross, Rockville, Maryland
| | - Paula Saa
- Scientific Affairs, American Red Cross, Gaithersburg, Maryland
| | - Brad J. Biggerstaff
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | | | | | | | | | | | | | | | - Chris Lough
- LifeSouth Community Blood Centers, Gainesville, Florida
| | | | | | - Gerardo Latoni
- Banco de Sangre de Servicios Mutuos, San Juan, Puerto Rico
| | | | | | - Jed Gorlin
- Innovative Blood Resources, St Paul, Minnesota
| | - Nicole E. Brown
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Carolyn V. Gould
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Kevin Berney
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Tina J. Benoit
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Maureen J. Miller
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | | | - Alicia M. Fry
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | - Aron J. Hall
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Adam MacNeil
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Adi V. Gundlapalli
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Sridhar V. Basavaraju
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Susan I. Gerber
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Monica E. Patton
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Brian Custer
- Vitalant Research Institute, San Francisco, California
| | | | | | - Natalie J. Thornburg
- COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Steven Kleinman
- University of British Columbia, Vancouver, British Columbia, Canada
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Henning MAS, Ibler KS, Ostrowski SR, Erikstrup C, Nielsen KR, Bruun MT, Hjalgrim H, Ullum H, Didriksen M, Dinh KM, Rostgaard K, Pedersen OB, Jemec GB. Hyperhidrosis and the risk of being treated for skin infections. J DERMATOL TREAT 2021; 33:2263-2269. [PMID: 34152896 DOI: 10.1080/09546634.2021.1944971] [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: 10/21/2022]
Abstract
BACKGROUND A few studies have described an increased prevalence of skin infections in individuals with hyperhidrosis compared to others. However, it remains uncertain whether hyperhidrosis is an independent risk factor for skin infections. OBJECTIVE To compare the risk of skin infections in individuals with and without hyperhidrosis. METHODS In this retrospective cohort study, data on hyperhidrosis were collected from the Danish Blood Donor Study. Blood donors included in 2010-2019 were followed from inclusion until December 2019. Data on redeemed prescriptions against skin infections were collected from the National Prescription Register. The intensity of prescription-use by hyperhidrosis status was assessed in Andersen-Gill models. RESULTS Overall, 4,176 (9.6%) of 43,477 blood donors had self-reported hyperhidrosis and 437 (0.34%) of 127,823 blood donors had hospital diagnosed hyperhidrosis. Self-reported hyperhidrosis was associated with the use of antibiotic prescriptions (adjusted hazard ratio = 1.21; 95% confidence interval 1.00-1.45, p = 0.047). Hospital diagnosed hyperhidrosis was associated with the use of antibiotic (adjusted hazard ratio = 1.33; 95% confidence interval 1.03-1.68, p = 0.028) and topical antifungal prescriptions (adjusted hazard ratio = 1.43; 95% confidence interval 1.04-1.97, p = 0.027). CONCLUSIONS Hyperhidrosis is associated with the use of prescriptions for antibiotics and topical antifungals. This suggests a clinically relevant association between hyperhidrosis and skin infections.
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Affiliation(s)
- Mattias A S Henning
- Department of Dermatology, Zealand University Hospital, University of Copenhagen, Roskilde, Denmark
| | - Kristina S Ibler
- Department of Dermatology, Zealand University Hospital, University of Copenhagen, Roskilde, Denmark
| | - Sisse R Ostrowski
- Department of Clinical Immunology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Christian Erikstrup
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Kaspar R Nielsen
- Department of Clinical Immunology, Aalborg University, Aalborg, Denmark
| | - Mie T Bruun
- Department of Clinical Immunology, Odense University Hospital, Odense, Denmark
| | - Henrik Hjalgrim
- Danish Cancer Society Research Center, Copenhagen, Denmark.,Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.,Department of Haematology, Rigshospitalet, Copenhagen, Denmark.,Department of Clinical Medicine, Copenhagen University, Copenhagen, Denmark
| | - Henrik Ullum
- Department of Clinical Immunology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.,Statens Serum Institut, Copenhagen, Denmark
| | - Maria Didriksen
- Department of Clinical Immunology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Khoa M Dinh
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Klaus Rostgaard
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
| | - Ole B Pedersen
- Department of Clinical Immunology, Zealand University Hospital. University of Copenhagen, Copenhagen, Denmark
| | - Gregor B Jemec
- Department of Dermatology, Zealand University Hospital, University of Copenhagen, Roskilde, Denmark
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Mikkelsen S, Boldsen JK, Møller BK, Dinh KM, Rostgaard K, Petersen MS, Kaspersen KA, Pedersen OB, Thørner LW, Handgaard LJ, Ostrowski SR, Sigsgaard T, Erikstrup C. Atopic respiratory diseases and IgE sensitization are associated with leukocyte subset concentrations in 14,440 blood donors. Clin Chim Acta 2021; 520:139-146. [PMID: 34118238 DOI: 10.1016/j.cca.2021.06.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 06/07/2021] [Accepted: 06/07/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND AND AIMS Allergic rhinitis (AR), allergic conjunctivitis (AC), and asthma are characterized by activation of the immune system. The aim of this study was to explore the long-term association between AR, AC, asthma, and specific immunoglobulin E (IgE) and blood platelet and leukocyte differential counts. MATERIAL AND METHODS In the Danish Blood Donor Study, 14,440 participants from Central Denmark Region had platelet and leukocyte differential counts available and completed a questionnaire regarding AR, AC, and asthma. Of these participants, 8485 were tested for IgE to inhalation allergens. RESULTS The prevalence of AR, AC, asthma, and IgE sensitization was 19%, 15%, 9%, and 29%, respectively. AR, AC, asthma, wheeze, and IgE sensitization was associated with increased blood eosinophil concentration even in IgE sensitized participants who did not report any allergy or asthma. The strongest associations were observed for participants with current disease. We found no differences in eosinophil concentration between months without symptoms and months with symptoms of AR and asthma. CONCLUSION AR, AC, asthma, wheezing, and IgE sensitization to inhalation allergens are associated with increased eosinophil concentration. This may reflect a persistent inflammation even in periods without symptomatic disease.
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Affiliation(s)
- Susan Mikkelsen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark.
| | - Jens Kjærgaard Boldsen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark; Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, DK-4000 Roskilde, Denmark
| | - Bjarne Kuno Møller
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Khoa Manh Dinh
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Klaus Rostgaard
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
| | | | - Kathrine Agergård Kaspersen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark; Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, DK-4000 Roskilde, Denmark
| | - Ole Birger Pedersen
- Department of Clinical Immunology, Zealand University Hospital, Køge, Denmark
| | - Lise Wegner Thørner
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Linda Jenny Handgaard
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Sisse Rye Ostrowski
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Torben Sigsgaard
- Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, DK-4000 Roskilde, Denmark; Department of Public Health, Aarhus University, Aarhus, Denmark
| | - Christian Erikstrup
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark; Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, DK-4000 Roskilde, Denmark
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Henning MAS, Ibler KS, Ullum H, Erikstrup C, Bruun MT, Burgdorf KS, Dinh KM, Rigas A, Thørner LW, Pedersen OB, Jemec GB. The association between water hardness and xerosis-Results from the Danish Blood Donor Study. PLoS One 2021; 16:e0252462. [PMID: 34077478 PMCID: PMC8171951 DOI: 10.1371/journal.pone.0252462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 05/16/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The pathophysiology of xerosis depends on extrinsic and intrinsic exposures. Residential hard water may constitute such an exposure. OBJECTIVES To estimate the prevalence of xerosis and to compare water hardness exposure in blood donors with and without xerosis. METHODS In this retrospective cohort study in 2018-2019, blood donors with self-reported moderately or severely dry skin were compared to blood donors without dry skin. Blood donors with ichthyosis, lichen planus and psoriasis were excluded. Water hardness data was collected from the Geology Survey of Denmark and Greenland. RESULTS Overall, 4,748 of 30,721 (15.5%; 95% confidence interval 15.1-15.9%) blood donors had xerosis. After excluding blood donors with ichthyosis, lichen planus and psoriasis, 4,416 blood donors (2,559 females; median age 38.4 years [interquartile range 28.0-49.8]; 700 smokers) remained in this study. Water softer than 12-24 degrees Deutsche härte was associated with decreased probability of xerosis (odds ratio 0.83; 95% confidence interval 0.74-0.94) and water harder than 12-24 degrees Deutsche härte was associated with increased probability of xerosis (odds ratio 1.22; 95% confidence interval 1.03-1.45). The association between water hardness and xerosis remained significant after excluding blood donors with dermatitis. CONCLUSIONS Water hardness is associated with xerosis independent of other dermatoses.
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Affiliation(s)
- Mattias A S Henning
- Department of Dermatology, Faculty of Health and Medical Sciences, Zealand University Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Kristina S Ibler
- Department of Dermatology, Faculty of Health and Medical Sciences, Zealand University Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Henrik Ullum
- Department of Clinical Immunology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Christian Erikstrup
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Mie T Bruun
- Department of Clinical Immunology, Odense University Hospital, Odense, Denmark
| | - Kristoffer S Burgdorf
- Department of Clinical Immunology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Khoa M Dinh
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Andreas Rigas
- Department of Clinical Immunology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Lise W Thørner
- Department of Clinical Immunology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Ole B Pedersen
- Department of Clinical Immunology, Naestved Hospital, Naestved, Denmark
| | - Gregor B Jemec
- Department of Dermatology, Faculty of Health and Medical Sciences, Zealand University Hospital, University of Copenhagen, Copenhagen, Denmark
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De Brier N, Koc ÖM, De Buck E, Muylaert A, Nevens F, Vanbrabant M, Vandeloo J, Van Remoortel H, Robaeys G, Compernolle V. Hepatitis B virus prevalence in first-time blood donors in Flanders, Belgium: Impact of universal vaccination and migration. Transfusion 2021; 61:2125-2136. [PMID: 33955570 DOI: 10.1111/trf.16431] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 03/24/2021] [Accepted: 03/30/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Transfusion-transmissible infections such as hepatitis B virus (HBV) remain a major concern for the safety of blood transfusion. This cross-sectional study aimed to assess the trend of HBV prevalence and associated risk factors among a first-time donor population in a low endemic country. STUDY DESIGN AND METHODS Between 2010 and 2018, blood samples were collected from first-time donors presented at donor collection sites of Belgian Red Cross-Flanders. They were tested for hepatitis B surface antigen (HBsAg), hepatitis B core antibodies (anti-HBc), and HBV DNA, HIV and hepatitis virus C (HCV) antibodies and RNA, and syphilis antibodies. RESULTS A total of 211,331 first-time blood donors (43.7% males, median age 25 years) were analyzed. HBsAg prevalence decreased from 0.06% in 2010 to 0.05% in 2018 (p = .004) and this declining trend was accompanied by an increased number of donors in the HBV vaccinated birth cohort (p < .001). HBsAg prevalence was 0.33% in foreign-born donors and 0.02% in Belgian natives (p < .001). Multivariate risk profiling showed that anti-HBc positivity was significantly associated with mainly foreign-born donors (odds ratio [OR] = 9.24) but also with older age (OR = 1.06), male gender (OR = 1.32), year of blood donation (OR = 0.94), and co-infections with HCV (OR = 4.31) or syphilis (OR = 4.91). DISCUSSION The decreasing trend in HBV prevalence could mainly be explained by the introduction of the universal HBV vaccination. Being born in endemic areas was the most important predictor for HBV infection while the co-infections with syphilis suggest unreported sexual risk contacts.
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Affiliation(s)
- Niels De Brier
- Centre for Evidence-Based Practice, Belgian Red Cross, Mechelen, Belgium
| | - Özgür M Koc
- Department of Gastroenterology and Hepatology, Ziekenhuis Oost-Limburg, Genk, Belgium.,Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium.,Department of Medical Microbiology, School of NUTRIM, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Emmy De Buck
- Centre for Evidence-Based Practice, Belgian Red Cross, Mechelen, Belgium.,Department of Public Health and Primary Care, Faculty of Medicine, KU Leuven, Leuven, Belgium
| | - An Muylaert
- Blood Service, Belgian Red Cross, Mechelen, Belgium
| | - Frederik Nevens
- Department of Gastroenterology and Hepatology, University Hospitals KU Leuven, Leuven, Belgium
| | | | | | - Hans Van Remoortel
- Centre for Evidence-Based Practice, Belgian Red Cross, Mechelen, Belgium
| | - Geert Robaeys
- Department of Gastroenterology and Hepatology, Ziekenhuis Oost-Limburg, Genk, Belgium.,Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium.,Department of Gastroenterology and Hepatology, University Hospitals KU Leuven, Leuven, Belgium
| | - Veerle Compernolle
- Blood Service, Belgian Red Cross, Mechelen, Belgium.,Faculty of Medicine and Health Sciences, University of Ghent, Ghent, Belgium
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Palokangas E, Lobier M, Partanen J, Castrén J, Arvas M. Low ferritin levels appear to be associated with worsened health in male repeat blood donors. Vox Sang 2021; 116:1042-1050. [PMID: 33853204 DOI: 10.1111/vox.13104] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 03/08/2021] [Accepted: 03/08/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND OBJECTIVES Frequent blood donation depletes iron stores of blood donors. Iron depletion may lead to anaemia, but the health effects of iron depletion without anaemia in healthy blood donors are not well understood. We studied in the FinDonor cohort whether worsening of self-rated health of blood donors during the study period was associated with biomarkers for iron levels or other self-reported changes in lifestyle. MATERIALS AND METHODS We included 1416 participants from the cohort who answered an 89-item questionnaire on their health and lifestyle during their enrolment visit and again at the end of the study. We performed multivariate logistic regression to test if blood donation-related factors affected the probability of reporting worsened health. To set these findings into a more holistic context of health, we subsequently analysed all other questionnaire items with a data-driven exploratory analysis. RESULTS We found that donation frequency in men and post-menopausal women and ferritin level only in men was associated negatively with worsened health between questionnaires. In the exploratory analysis, stable physical condition was the only questionnaire item that was associated negatively with worsened health in both women and men. CONCLUSION Our results suggest that low ferritin level is associated with worsened health even in non-anaemic repeat donors, although we find that when health is analysed more holistically, ferritin and other factors primarily related to blood donation lose their importance.
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Affiliation(s)
| | - Muriel Lobier
- Finnish Red Cross Blood Service (FRCBS), Helsinki, Finland
| | - Jukka Partanen
- Finnish Red Cross Blood Service (FRCBS), Helsinki, Finland
| | | | - Mikko Arvas
- Finnish Red Cross Blood Service (FRCBS), Helsinki, Finland
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41
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Mikkelsen S, Dinh KM, Boldsen JK, Pedersen OB, Holst GJ, Petersen MS, Kaspersen KA, Møller BK, Nielsen KR, Paarup HM, Rostgaard K, Hjalgrim H, Sørensen E, Handgaard LJ, Hansen TF, Banasik K, Burgdorf KS, Ullum H, Sigsgaard T, Erikstrup C. Combinations of self-reported rhinitis, conjunctivitis, and asthma predicts IgE sensitization in more than 25,000 Danes. Clin Transl Allergy 2021; 11:e12013. [PMID: 33900050 PMCID: PMC8099331 DOI: 10.1002/clt2.12013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/12/2021] [Accepted: 02/17/2021] [Indexed: 12/01/2022] Open
Abstract
Background Allergic rhinitis (AR), allergic conjunctivitis (AC), and asthma composing multiple phenotypes and improved understanding of these phenotypes and their respective risk factors are needed. Objectives The objective of this study was to define the prevalence of AR, AC, and asthma and their association with allergen‐specific immunoglobulin E (sIgE) sensitization in a large cohort of blood donors and identify risk factors. Methods From the nationwide population‐based Danish Blood Donor Study, 52,976 participants completed an electronic questionnaire including AR, AC, asthma, allergic predisposition, and childhood residence. Of these, 25,257 were additionally tested for sIgE to inhalation allergens (Phadiatop). Results The prevalence of sIgE sensitization, AR, AC, and asthma was 30%, 19%, 15%, and 9%, respectively. The youngest birth cohorts had the highest prevalence of sIgE sensitization and symptoms of asthma, AR, and AC, and for asthma, they apparently experienced symptoms at an earlier age. The sIgE sensitization was positively associated with male sex. The sIgE seroprevalence was higher in participants with both AR and AC (ARC) than in participants with either AR or AC. Allergic predisposition and sIgE sensitization increased the risk of the diseases, while farm upbringing was associated with reduced prevalence of ARC, however, only in sIgE sensitized participants. Conclusion Birth year, childhood residence, sIgE sensitization, and allergic predisposition were associated with asthma, AR, and AC prevalence. Individuals with self‐reported ARC represent a primarily sIgE‐positive phenotype, while those with either AR or AC represent more diverse phenotypes.
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Affiliation(s)
- Susan Mikkelsen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Khoa Manh Dinh
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Jens Kjaergaard Boldsen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark.,Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, Roskilde, Denmark
| | - Ole Birger Pedersen
- Department of Clinical Immunology, Zealand University Hospital, Køge, Denmark
| | - Gitte Juel Holst
- The Danish Clinical Quality Program-National Clinical Registries (RKKP), Central Denmark Region, Aarhus, Denmark
| | | | - Kathrine Agergård Kaspersen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark.,Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, Roskilde, Denmark
| | - Bjarne Kuno Møller
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Kaspar Rene Nielsen
- Department of Clinical Immunology, Aalborg University Hospital, Aalborg, Denmark
| | | | - Klaus Rostgaard
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
| | - Henrik Hjalgrim
- Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
| | - Erik Sørensen
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Linda Jenny Handgaard
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark
| | - Thomas Folkmann Hansen
- Department of Neurology, Danish Headache Center, Copenhagen University Hospital, Glostrup, Denmark.,Faculty of Health and Medical Sciences, Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | - Karina Banasik
- Faculty of Health and Medical Sciences, Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | | | - Henrik Ullum
- Department of Clinical Immunology, Copenhagen University Hospital, Copenhagen, Denmark.,Statens Serum Institut, Copenhagen, Denmark
| | - Torben Sigsgaard
- Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, Roskilde, Denmark.,Department of Public Health, Aarhus University, Aarhus, Denmark
| | - Christian Erikstrup
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark.,Danish Big Data Centre for Environment and Health (BERTHA), Aarhus University, Roskilde, Denmark
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Health Behavior and Lifestyle Trends among Platelet Donors: Results from a Questionnaire-Based Survey in Norway. BIOMED RESEARCH INTERNATIONAL 2021; 2021:8891885. [PMID: 33860057 PMCID: PMC8009726 DOI: 10.1155/2021/8891885] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 01/19/2021] [Accepted: 03/12/2021] [Indexed: 11/17/2022]
Abstract
Background Blood donors are on average healthier than the general population, a phenomenon known as the “healthy donor effect.” Earlier studies have also pointed to healthier behaviors among whole blood donors than the general population. This study is aimed at assessing the prevalence of four healthy behaviors (sufficient physical activity, avoiding cigarette smoking, low to moderate alcohol use, and maintaining a healthy weight) among platelet donors and to compare the results with those in the general population of similar ages. Methods Eighty-six platelet donors were asked to complete a questionnaire designed to assess physical activity, smoking, and alcohol use. Sociodemographic information including gender, age, and education was also collected from all participants. Chi-square statistics and logistic regression were used in statistical analysis. Results The mean age of the study donors was 51 years, 56% were female. Most were employed (90%), and 48% hold a bachelor's or higher degree. The prevalence of healthy behaviors differed by education gradients but not by gender and age. About 49% of the donors met the weekly physical activity recommendations, less than 5% were daily smokers, and~26% were classified as more frequent drinkers (≥1 to ≤5 times per week). The corresponding percentages for the general population were, respectively, 33%, 13%, and 35%. The prevalence of overweight and obesity, as assessed by body mass index (BMI), among donors were 50% and 29%, respectively, much higher than the current prevalence of overweight and obesity of 37% and 19%, respectively, among adults in the general population. Conclusions The individual health behaviors of the majority of the study population could be characterized by a relatively high level of physical activity, low prevalence of daily smoking, and moderate alcohol drinking. The above-average overweight/obesity prevalence among platelet donors in this cohort is of concern because of the potential serious health consequences and it warrants further reflection.
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43
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The prevalence of antibodies to SARS-CoV-2 among blood donors in China. Nat Commun 2021; 12:1383. [PMID: 33654063 PMCID: PMC7925561 DOI: 10.1038/s41467-021-21503-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 01/06/2021] [Indexed: 12/11/2022] Open
Abstract
In this study, we investigate the seroprevalence of SARS-CoV-2 antibodies among blood donors in the cities of Wuhan, Shenzhen, and Shijiazhuang in China. From January to April 2020, 38,144 healthy blood donors in the three cities were tested for total antibody against SARS-CoV-2 followed by pseudotype SARS-CoV-2 neutralization tests, IgG, and IgM antibody testing. Finally, a total of 398 donors were confirmed positive. The age- and sex-standardized SARS-CoV-2 seroprevalence among 18-60 year-old adults (18-65 year-old in Shenzhen) was 2.66% (95% CI: 2.24%-3.07%) in Wuhan, 0.033% (95% CI: 0.0029%-0.267%) in Shenzhen, and 0.0028% (95% CI: 0.0001%-0.158%) in Shijiazhuang, respectively. Female sex and older-age were identified to be independent risk factors for SARS-CoV-2 seropositivity among blood donors in Wuhan. As most of the population of China remained uninfected during the early wave of the COVID-19 pandemic, effective public health measures are still certainly required to block viral spread before a vaccine is widely available.
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Didriksen M, Thørner LW, Larsen MAH, Sørensen E, Burgdorf K, Mikkelsen S, Rostgaard K, Banasik K, Pedersen OB, Erikstrup C, Nielsen KR, Bruun MT, Hjalgrim H, Ullum H. The impact of health-related quality of life and depressive symptoms on blood donor career-Results from the Danish blood donor study. Transfusion 2021; 61:1479-1488. [PMID: 33650703 DOI: 10.1111/trf.16336] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 01/06/2021] [Accepted: 01/06/2021] [Indexed: 12/26/2022]
Abstract
BACKGROUND Blood donors report better health-related quality of life (HRQL) than non-donors. Likewise, donors reporting good health are less likely to stop donating and have a higher donation frequency. This is evidence of the healthy donor effect (HDE). This study is the first to investigate the impact of HRQL and depressive symptoms on subsequent donor career. STUDY DESIGN AND METHODS Prospective cohort study includes 102,065 participants from the Danish Blood Donor Study applying the 12-item short-form health survey (SF-12) measuring a mental (MCS) and a physical component score (PCS) and the Major Depression Inventory (MDI). Poisson and Cox regression models were used to assess the effect of SF-12 and MDI scores on donation frequency and donor cessation. Higher MCS/PCS scores indicate good HRQL, while higher MDI score indicates higher experience of depressive symptoms. RESULTS For both sexes, MCS was positively correlated with donation frequency for up to 5 years, and similarly for PCS among women. A negative correlation between MDI score and donation frequency in the year following assessment was observed only among men. No correlation was observed among women. An increase in both MCS and PCS was associated with a lower risk of donation cessation in both sexes, while an increase in MDI score was only associated with an increased risk of donation cessation in men. CONCLUSION MCS, PCS, and MDI score affect donor career. Thus, adjusting for donation frequency may reduce HDE-bias in donor health research. However, because of the small effect sizes, other ways of quantifying HDE may be beneficial.
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Affiliation(s)
- Maria Didriksen
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Lise W Thørner
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Margit A H Larsen
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Erik Sørensen
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Kristoffer Burgdorf
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Susan Mikkelsen
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Klaus Rostgaard
- Department of Epidemiology Research, Statens Serum Institute, Copenhagen, Denmark
| | - Karina Banasik
- Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | - Ole B Pedersen
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.,Department of Clinical Immunology, Naestved Sygehus, Naestved, Denmark
| | - Christian Erikstrup
- Department of Clinical Immunology, Aarhus University Hospital, Aarhus, Denmark
| | - Kaspar R Nielsen
- Department of Clinical Immunology, Aalborg University Hospital, Aalborg, Denmark
| | - Mie T Bruun
- Department of Clinical Immunology, Odense University Hospital, Odense, Denmark
| | - Henrik Hjalgrim
- Department of Epidemiology Research, Statens Serum Institute, Copenhagen, Denmark.,Department of Hematology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Henrik Ullum
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
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Hazegh K, Fang F, Bravo MD, Tran JQ, Muench MO, Jackman RP, Roubinian N, Bertolone L, D’Alessandro A, Dumont L, Page GP, Kanias T. Blood donor obesity is associated with changes in red blood cell metabolism and susceptibility to hemolysis in cold storage and in response to osmotic and oxidative stress. Transfusion 2021; 61:435-448. [PMID: 33146433 PMCID: PMC7902376 DOI: 10.1111/trf.16168] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/07/2020] [Accepted: 10/09/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Obesity is a global pandemic characterized by multiple comorbidities, including cardiovascular and metabolic diseases. The aim of this study was to define the associations between blood donor body mass index (BMI) and RBC measurements of metabolic stress and hemolysis. STUDY DESIGN AND METHODS The associations between donor BMI (<25 kg/m2 , normal weight; 25-29.9 kg/m2 , overweight; and ≥30 kg/m2 , obese) and hemolysis (storage, osmotic, and oxidative; n = 18 donors) or posttransfusion recovery (n = 14 donors) in immunodeficient mice were determined in stored leukocyte-reduced RBC units. Further evaluations were conducted using the National Heart, Lung, and Blood Institute RBC-Omics blood donor databases of hemolysis (n = 13 317) and metabolomics (n = 203). RESULTS Evaluations in 18 donors revealed that BMI was significantly (P < 0.05) and positively associated with storage and osmotic hemolysis. A BMI of 30 kg/m2 or greater was also associated with lower posttransfusion recovery in mice 10 minutes after transfusion (P = 0.026). Multivariable linear regression analyses in RBC-Omics revealed that BMI was a significant modifier for all hemolysis measurements, explaining 4.5%, 4.2%, and 0.2% of the variance in osmotic, oxidative, and storage hemolysis, respectively. In this cohort, obesity was positively associated (P < 0.001) with plasma ferritin (inflammation marker). Metabolomic analyses on RBCs from obese donors (44.1 ± 5.1 kg/m2 ) had altered membrane lipid composition, dysregulation of antioxidant pathways (eg, increased oxidized lipids, methionine sulfoxide, and xanthine), and dysregulation of nitric oxide metabolism, as compared to RBCs from nonobese (20.5 ± 1.0 kg/m2 ) donors. CONCLUSIONS Obesity is associated with significant changes in RBC metabolism and increased susceptibility to hemolysis under routine storage of RBC units. The impact on transfusion efficacy warrants further evaluation.
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Affiliation(s)
| | - Fang Fang
- RTI International, Research Triangle Park, North Carolina
| | | | | | - Marcus O. Muench
- Vitalant Research Institute, San Francisco, California
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California
| | - Rachael P. Jackman
- Vitalant Research Institute, San Francisco, California
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California
| | - Nareg Roubinian
- Vitalant Research Institute, San Francisco, California
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, California
- Kaiser Permanente Northern California, Division of Research, Oakland, California
| | - Lorenzo Bertolone
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
| | - Angelo D’Alessandro
- Vitalant Research Institute, Denver, Colorado
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
- Department of Medicine Division of Hematology, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
| | - Larry Dumont
- Vitalant Research Institute, Denver, Colorado
- Department of Pathology, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
- Department of Pathology and Laboratory Medicine, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
| | | | - Tamir Kanias
- Vitalant Research Institute, Denver, Colorado
- Department of Pathology, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
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Brummitt SI, Kjemtrup AM, Harvey DJ, Petersen JM, Sexton C, Replogle A, Packham AE, Bloch EM, Barbour AG, Krause PJ, Green V, Smith WA. Borrelia burgdorferi and Borrelia miyamotoi seroprevalence in California blood donors. PLoS One 2020; 15:e0243950. [PMID: 33370341 PMCID: PMC7769429 DOI: 10.1371/journal.pone.0243950] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 11/30/2020] [Indexed: 11/18/2022] Open
Abstract
The western blacklegged tick, Ixodes pacificus, an important vector in the western United States of two zoonotic spirochetes: Borrelia burgdorferi (also called Borreliella burgdorferi), causing Lyme disease, and Borrelia miyamotoi, causing a relapsing fever-type illness. Human cases of Lyme disease are well-documented in California, with increased risk in the north coastal areas and western slopes of the Sierra Nevada range. Despite the established presence of B. miyamotoi in the human-biting I. pacificus tick in California, clinical cases with this spirochete have not been well studied. To assess exposure to B. burgdorferi and B. miyamotoi in California, and to address the hypothesis that B. miyamotoi exposure in humans is similar in geographic range to B. burgdorferi, 1,700 blood donor sera from California were tested for antibodies to both pathogens. Sampling was from high endemic and low endemic counties for Lyme disease in California. All sera were screened using the C6 ELISA. All C6 positive and equivocal samples and nine randomly chosen C6 negative samples were further analyzed for B. burgdorferi antibody using IgG western blot and a modified two ELISA test system and for B. miyamotoi antibody using the GlpQ ELISA and B. miyamotoi whole cell sonicate western blot. Of the 1,700 samples tested in series, eight tested positive for antibodies to B. burgdorferi (0.47%, Exact 95% CI: 0.20, 0.93) and two tested positive for antibodies to B. miyamotoi (0.12%, Exact 95% CI: 0.01, 0.42). There was no statistically significant difference in seroprevalence for either pathogen between high and low Lyme disease endemic counties. Our results confirm a low frequency of Lyme disease and an even lower frequency of B. miyamotoi exposure among adult blood donors in California; however, our findings reinforce public health messaging that there is risk of infection by these emerging diseases in the state.
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Affiliation(s)
- Sharon I. Brummitt
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California, United States of America
| | - Anne M. Kjemtrup
- California Department of Public Health, Sacramento, California, United States of America
| | - Danielle J. Harvey
- Department of Public Health Sciences, School of Medicine, University of California, Davis, California, United States of America
| | - Jeannine M. Petersen
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America
| | - Christopher Sexton
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America
| | - Adam Replogle
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America
| | - Andrea E. Packham
- Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, Davis, California, United States of America
| | - Evan M. Bloch
- Department of Pathology and Transfusion Medicine, John Hopkins University, Baltimore, Maryland, United States of America
| | - Alan G. Barbour
- Department of Medicine and Department of Microbiology and Molecular Genetics, University of California Irvine, Irvine, California, United States of America
| | - Peter J. Krause
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, and Yale School of Medicine, New Haven, CT, United States of America
| | - Valerie Green
- Creative Testing Solutions, Tempe, Arizona, United States of America
| | - Woutrina A. Smith
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California, United States of America
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Nielsen MØ, Petersen NA, Coello K, Stanislaus S, Melbye SA, Kjærstad HL, Sletved KSO, Frikke-Schmidt R, McIntyre RS, Vinberg M, Kessing LV. High-sensitive C-reactive protein and homocysteine levels in patients with newly diagnosed bipolar disorder, their first-degree relatives, and healthy control persons-Results from a clinical study. Eur Psychiatry 2020; 63:e103. [PMID: 33234170 PMCID: PMC8057370 DOI: 10.1192/j.eurpsy.2020.105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background Changes in inflammatory and metabolic markers are implicated in the pathogenesis in both the development and progression of bipolar disorder (BD). Notwithstanding, these markers have not been investigated in newly diagnosed BD. Methods We compared high-sensitive C-reactive protein (hs-CRP) and homocysteine (Hcy) levels in 372 patients with newly diagnosed BD, 106 unaffected first-degree relatives (URs), and 201 healthy control persons (HCs). Within the patient group, we also investigated possible associations between hs-CRP and Hcy, respectively, with illness-related characteristics and psychotropic medication. Results No statistically significant differences in Hcy and hs-CRP levels were found when comparing BD and URs with HCs. Similarly, there were no differences when comparing only patients in remission or patients with affective symptoms, respectively, with HCs. Hcy levels were found to be 11.9% (95% CI: 1.030–1.219) higher in patients with BD when compared with their URs (p = 0.008), when adjusting for folate and cobalamin status, age, sex, and self-reported activity levels. Hcy levels were significantly associated with folate, cobalamin, gender, and age in all models (p < 0.05). Conclusion Our results do not support hs-CRP or Hcy as markers in newly diagnosed BD.
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Affiliation(s)
- Marc Østergaard Nielsen
- Copenhagen Affective Disorders Research Centre (CADIC), Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Nanna Aagaard Petersen
- Copenhagen Affective Disorders Research Centre (CADIC), Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Klara Coello
- Copenhagen Affective Disorders Research Centre (CADIC), Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Sharleny Stanislaus
- Copenhagen Affective Disorders Research Centre (CADIC), Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Sigurd A Melbye
- Copenhagen Affective Disorders Research Centre (CADIC), Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Hanne Lie Kjærstad
- Copenhagen Affective Disorders Research Centre (CADIC), Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | | | - Ruth Frikke-Schmidt
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Department of Clinical Biochemistry, Centre of Diagnostic Investigation, Rigshospitalet, Copenhagen, Denmark
| | - Roger S McIntyre
- Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Ontario, Canada
| | - Maj Vinberg
- Copenhagen Affective Disorders Research Centre (CADIC), Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Psychiatric Research Unit, Psychiatric Centre North Zealand, Hillerød, Denmark
| | - Lars Vedel Kessing
- Copenhagen Affective Disorders Research Centre (CADIC), Psychiatric Centre Copenhagen, Rigshospitalet, Copenhagen, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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48
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Anemone study: prevalence of risk factors for superficial vein thrombosis in a large Italian population of blood donors. J Thromb Thrombolysis 2020; 50:689-696. [DOI: 10.1007/s11239-020-02140-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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49
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Spencer BR, Fox MP, Wise LA, Cable RG, Mast AE. Iron status and self-reported fatigue in blood donors. Transfusion 2020; 61:124-133. [PMID: 32974931 DOI: 10.1111/trf.16095] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 08/10/2020] [Accepted: 08/10/2020] [Indexed: 12/21/2022]
Abstract
Fatigue is a reported symptom of iron depletion, but studies in blood donors show no conclusive link. We conducted an observational analysis of data from the STRIDE randomized trial to evaluate association of iron status with self-reported fatigue. STUDY DESIGN AND METHODS Three blood centers randomly assigned 692 frequent donors to education or iron supplementation treatments. Biomarkers for iron status were measured during 20 to 24 months of follow-up. A fatigue score was derived from an 11-item questionnaire at baseline and final visits, and associations between iron status and fatigue were assessed. RESULTS Final lab and questionnaire data were evaluable from 337 subjects. At baseline, female sex, older age, and anemia were associated with fatigue, but iron status was not. Mean (±SD) fatigue score change was 0.0 (±0.5). Mean (±SD) increase in iron stores was 1.0 (±3.5) mg/kg, but changes in body iron stores were not associated with fatigue score changes (0.01 per mg/kg; 95% CI, -0.01 to 0.02) or with fatigue (RR, 1.01; 95% CI, 0.99 to 1.04). The only factor associated with fatigue score changes was baseline fatigue (0.36; 95% CI, 0.25 to 0.48). CONCLUSION Among high-frequency donors, neither iron status at baseline nor changes in iron status predicted fatigue during follow-up, with improvements limited to those with higher levels of baseline fatigue. Assessment of the association between iron and fatigue in blood donors benefits from careful consideration of study design and the study population.
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Affiliation(s)
- Bryan R Spencer
- American Red Cross, Scientific Affairs, Dedham, Massachusetts, USA
| | - Matthew P Fox
- Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts, USA.,Department of Global Health, Boston University School of Public Health, Boston, Massachusetts, USA
| | - Lauren A Wise
- Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts, USA
| | - Ritchard G Cable
- American Red Cross, Scientific Affairs, Dedham, Massachusetts, USA
| | - Alan E Mast
- Blood Research Institute, Versiti, Milwaukee, Wisconsin, USA.,Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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50
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Itabashi K, Miyazawa T, Sekizawa A, Tokita A, Saito S, Moriuchi H, Nerome Y, Uchimaru K, Watanabe T. A Nationwide Antenatal Human T-Cell Leukemia Virus Type-1 Antibody Screening in Japan. Front Microbiol 2020; 11:595. [PMID: 32328047 PMCID: PMC7160230 DOI: 10.3389/fmicb.2020.00595] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Accepted: 03/18/2020] [Indexed: 12/26/2022] Open
Abstract
Japan has been running a nationwide antenatal human T-cell leukemia virus type-1 (HTLV-1) antibody screening program since 2010 for the prevention of HTLV-1 mother-to-child transmission. As part of the program, pregnant women are invited to take an HTLV-1 antibody screening test, usually within the first 30 weeks of gestation, during regular pregnancy checkups. Pregnant women tested positive on the antibody screening test undergo a confirmatory test, either western blotting or line immunoassay. In indeterminate case, polymerase chain reaction (PCR) is used as a final test to diagnose infection. Pregnant women tested positive on a confirmatory or PCR test are identified as HTLV-1 carriers. As breastfeeding is a predominant route of postnatal HTLV-1 mother-to-child transmission, exclusive formula feeding is widely used as a postnatal preventive measure. Although there is insufficient evidence that short-term breastfeeding during ≤3 months does not increase the risk of mother-to-child transmission compared to exclusive formula feeding, this feeding method is considered if the mother is eager to breastfeed her child. However, it is important that mothers and family members fully understand that there is an increase in the risk of mother-to-child transmission when breastfeeding would be prolonged. As there are only a few clinical studies on the protective effect of frozen-thawed breastmilk feeding on mother-to-child transmission of HTLV-1, there is little evidence to recommend this feeding method. Further study on the protective effects of these feeding methods are needed. It is assumed that the risk of anxiety or depression may increase in the mothers who selected exclusive formula feeding or short-term breastfeeding. Thus, an adequate support and counseling for these mothers should be provided. In addition to raising public awareness of HTLV-1 infection, epidemiological data from the nationwide program needs to be collected and analyzed. In most cases, infected children are asymptomatic, and it is necessary to clarify how these children should be followed medically.
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Affiliation(s)
| | - Tokuo Miyazawa
- Department of Pediatrics, Showa University School of Medicine, Tokyo, Japan
| | - Akihiko Sekizawa
- Japan Association of Obstetricians and Gynecologists, Tokyo, Japan
| | | | | | - Hiroyuki Moriuchi
- Department of Pediatrics, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yasuhito Nerome
- Faculty of Medicine, School of Health Sciences, Kagoshima University, Kagoshima, Japan
| | - Kaoru Uchimaru
- Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan
| | - Toshiki Watanabe
- Future Center Initiative, and Research Hospital of the Institute of Medical Science, The University of Tokyo, Tokyo, Japan
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