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Plasma donation

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https://www.readbyqxmd.com/read/29243265/what-motivates-men-to-donate-blood-a-systematic-review-of-the-evidence
#1
REVIEW
A Carver, K Chell, T E Davison, B M Masser
BACKGROUND AND OBJECTIVES: Effective recruitment and retention of male donors are vital for the ongoing provision of blood products. Compared with females, male donors are less likely to be medically deferred or experience vasovagal reactions and are typically preferred for plasmapheresis donation in voluntary non-remunerated settings. However, females outnumber males among donors aged under 40 years. This systematic review aimed to synthesize evidence and identify key motivators for blood donation among males to inform targeted recruitment/retention campaigns...
December 15, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/29239963/in-vitro-evaluation-of-a-novel-image-processing-device-to-estimate-surgical-blood-loss-in-suction-canisters
#2
Gerhardt Konig, Jonathan H Waters, Eric Hsieh, Bridget Philip, Vicki Ting, Gaurav Abbi, Mazyar Javidroozi, Griffeth W Tully, Gregg Adams
BACKGROUND: Clinicians are tasked with monitoring surgical blood loss. Unfortunately, there is no reliable method available to assure an accurate result. Most blood lost during surgery ends up on surgical sponges and within suction canisters. A novel Food and Drug Administration-cleared device (Triton system; Gauss Surgical, Inc, Los Altos, CA) to measure the amount of blood present on sponges using computer image analysis has been previously described. This study reports on performance of a complementary Food and Drug Administration-cleared device (Triton Canister System; Gauss Surgical, Inc, Los Altos, CA) that uses similar image analysis to measure the amount of blood in suction canisters...
December 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29225746/comparison-of-the-impact-of-applications-of-targeted-transfusion-protocol-and-massive-transfusion-protocol-in-trauma-patients
#3
Shahram Paydar, Hosseinali Khalili, Golnar Sabetian, Behnam Dalfardi, Shahram Bolandparvaz, Mohammad Hadi Niakan, Hamidreza Abbasi, Donat R Spahn
Background: The current study assessed a recently developed resuscitation protocol for bleeding trauma patients called the Targeted Transfusion Protocol (TTP) and compared its results with those of the standard Massive Transfusion Protocol (MTP). Methods: Per capita utilization of blood products such as packed red blood cells (RBCs), fresh frozen plasma (FFP), and platelet concentrates was compared along with mortality rates during two 6-month periods, one in 2011 (when the standard MTP was followed) and another in 2014 (when the TTP was used)...
December 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29193101/case-series-supporting-heme-detoxification-via-therapeutic-plasma-exchange-in-acute-multiorgan-failure-syndrome-resistant-to-red-blood-cell-exchange-in-sickle-cell-disease
#4
James E Louie, Caitlin J Anderson, Katayoun Fayaz M Fomani, Alonye Henry, Trevor Killeen, Narla Mohandas, Karina Yazdanbakhsh, John D Belcher, Gregory M Vercellotti, Patricia A Shi
BACKGROUND: Depletion of haptoglobin (Hp) and hemopexin (Hx) with increase in free hemoglobin and heme are important etiologies of vaso-occlusive complications in sickle cell disease (SCD). This study is the first to show an association between clinical improvement in SCD and repletion of Hp and Hx by therapeutic plasma exchange (TPE) using plasma replacement. STUDY DESIGN AND METHODS: Thirteen fresh-frozen plasma (FFP) units derived from consecutive whole blood donations were thawed at 37°C after 10 months of storage; Hp and Hx concentrations immediately postthaw and after 5 days of refrigerated storage were analyzed by enzyme-linked immunosorbent assay (ELISA)...
November 27, 2017: Transfusion
https://www.readbyqxmd.com/read/29181226/blood-safety-status-in-who-african-region-countries-lessons-learnt-from-mauritius
#5
André Loua, Janaki Sonoo, Laurent Musango, Jean Baptiste Nikiema, Thomas Lapnet-Moustapha
In 2001, the WHO Office for Africa adopted a strategy for blood safety defining four targets. This paper describes the progress made by Mauritius in the implementation of this strategy. The blood safety indicators were collected and compared with the norms recommended by WHO. The country has formulated its blood policy and developed a strategic plan for its implementation since 2004. The total number of blood donations increased from 31,228 in 2002 to 43,742 in 2016, giving an annual blood collection rate evolving from 26...
2017: Journal of Blood Transfusion
https://www.readbyqxmd.com/read/29126740/platelet-storage-lesion-in-interim-platelet-unit-concentrates-a-comparison-with-buffy-coat-and-apheresis-concentrates
#6
Sukhi Singh, Caroline Shams Hakimi, Anders Jeppsson, Camilla Hesse
Platelet storage lesion is characterized by morphological changes and impaired platelet function. The collection method and storage medium may influence the magnitude of the storage lesion. The aim of this study was to compare the newly introduced interim platelet unit (IPU) platelet concentrates (PCs) (additive solution SSP+, 40% residual plasma content) with the more established buffy-coat PCs (SSP, 20% residual plasma content) and apheresis PCs (autologous plasma) in terms of platelet storage lesions. Thirty PCs (n=10 for each type) were assessed by measuring metabolic parameters (lactate, glucose, and pH), platelet activation markers, and in vitro platelet aggregability on days 1, 4, and 7 after donation...
November 2, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29099763/vitamin-c-and-immune-function
#7
REVIEW
Anitra C Carr, Silvia Maggini
Vitamin C is an essential micronutrient for humans, with pleiotropic functions related to its ability to donate electrons. It is a potent antioxidant and a cofactor for a family of biosynthetic and gene regulatory enzymes. Vitamin C contributes to immune defense by supporting various cellular functions of both the innate and adaptive immune system. Vitamin C supports epithelial barrier function against pathogens and promotes the oxidant scavenging activity of the skin, thereby potentially protecting against environmental oxidative stress...
November 3, 2017: Nutrients
https://www.readbyqxmd.com/read/29052242/emerging-infectious-disease-outbreaks-estimating-disease-risk-in-australian-blood-donors-travelling-overseas
#8
A Coghlan, V C Hoad, C R Seed, R Lp Flower, R J Harley, D Herbert, H M Faddy
BACKGROUND AND OBJECTIVES: International travel assists spread of infectious pathogens. Australians regularly travel to South-eastern Asia and the isles of the South Pacific, where they may become infected with infectious agents, such as dengue (DENV), chikungunya (CHIKV) and Zika (ZIKV) viruses that pose a potential risk to transfusion safety. In Australia, donors are temporarily restricted from donating for fresh component manufacture following travel to many countries, including those in this study...
October 19, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/29036928/plasma-mir-155-mir-203-and-mir-205-are-biomarkers-for-monitoring-of-primary-cutaneous-t-cell-lymphomas
#9
Nina Dusílková, Petra Bašová, Jindřich Polívka, Ondřej Kodet, Vojtěch Kulvait, Michal Pešta, Marek Trněný, Tomáš Stopka
Primary cutaneous T-cell lymphomas (CTCL) affect the skin and tend to transform and spread. CTCL involves primarily the Mycosis fungoides (MF) and more aggressive Sezary syndrome (SS). Oncogenic microRNAs (miRs) are stable epigenetic inhibitors often deregulated in the tumour and detectable as biomarkers in non-cellular fractions of peripheral blood. The tumour-specific expression of miR-155, miR-203, and miR-205 was shown to correctly diagnose CTCL. We herein asked whether these microRNAs can be used as plasma biomarkers for clinical CTCL monitoring...
October 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29036798/no-effect-on-the-short-term-of-a-decrease-in-blood-viscosity-on-insulin-resistance
#10
Agostino Gnasso, Michele Cacia, Claudio Cortese, Elena Succurro, Francesco Andreozzi, Claudio Carallo, Concetta Irace
BACKGROUND: Blood viscosity (BV) might influence glucose delivery to peripheral tissues and play an important role in insulin resistance and diabetes mellitus. However, the exact relationship between BV and insulin resistance is not yet clear. OBJECTIVES: Aim of the present study is to evaluate the effects of the acute reduction in BV on insulin resistance, in healthy male subjects. METHODS: Fifteen healthy male blood donors have been studied before and 48 hours after blood donation...
October 7, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29029341/an-increased-concentration-of-receptor-activator-of-nuclear-factor-kappa-b-ligand-pre-dates-the-onset-of-rheumatoid-arthritis
#11
Linda Johansson, Lisbeth Ärlestig, Heidi Kokkonen, Mikael Brink, Solbritt Rantapää-Dahlqvist
Objectives: RANK ligand (RANKL) is involved in destruction and osteoporosis in RA. In this study, the relationships between RANKL and ACPA, anti-carbamylated protein antibodies (anti-CarP), cytokines and chemokines were analysed in individuals before the onset of RA symptoms, and their associations with radiological findings at disease onset were assessed. Methods: This was a case-control study performed within the Medical Biobank of Northern Sweden that included 470 pre-symptomatic individuals [334 women and 136 men; mean (s...
September 25, 2017: Rheumatology
https://www.readbyqxmd.com/read/29017703/establishment-of-the-ph-eur-hepatitis-a-virus-rna-for-nat-testing-brp-batch-1
#12
M Chudy, C M Nübling, J Blümel, A Daas, A Costanzo
Detection of viral contamination in plasma donations is critical to prevent transmission of infectious diseases. The European Pharmacopoeia (Ph. Eur.) monograph 1646 'Human plasma (pooled and treated for virus inactivation)', requires that plasma pools used for the manufacture of this product be tested, among others, for the presence of hepatitis A virus RNA by nucleic acid testing (NAT) using a positive control containing 100 International Units (IU) of hepatitis A virus (HAV) RNA per mL. To this end, the European Directorate for the Quality of Medicines & HealthCare (EDQM, Council of Europe) organised an international collaborative study under the aegis of the Biological Standardisation Programme, for the establishment of the 1(st) Biological Reference Preparation (BRP) for HAV RNA for NAT testing...
2017: Pharmeuropa Bio & Scientific Notes
https://www.readbyqxmd.com/read/28921551/zika-virus-rna-detection-in-asymptomatic-blood-donors-during-an-outbreak-in-the-northeast-region-of-s%C3%A3-o-paulo-state-brazil-2016
#13
Svetoslav N Slavov, Marta R Hespanhol, Evandra S Rodrigues, José E Levi, Eugênia M A Ubiali, Dimas T Covas, Simone Kashima
BACKGROUND: In 2015, there was a large Zika virus (ZIKV) outbreak in Brazil. The proportion of asymptomatic infections is very high, and it is possible for transfusion-transmitted ZIKV (TT-ZIKV) infection to occur. The prevalence of asymptomatic ZIKV infection among Brazilian blood donors during this epidemic outbreak is unknown. STUDY DESIGN AND METHODS: Plasma samples obtained between October 2015 and May 2016 from 1393 volunteer blood donors were tested for ZIKV RNA...
September 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28914279/blood-products-provided-to-patients-receiving-futile-critical-care
#14
Thanh H Neville, Alyssa Ziman, Neil S Wenger
The number of hospitalized patients receiving treatment perceived to be futile is not insignificant. Blood products are valuable resources that are donated to help others in need. We aimed to quantify the amount of blood transfused into patients who were receiving treatment that the critical care physician treating them perceived to be futile. During a 3-month period, critical care physicians in 5 adult intensive care units completed a daily questionnaire to identify patients perceived as receiving futile treatment...
September 2017: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/28883026/group-o-low-titre-only-emergency-donor-panels-for-small-combat-teams
#15
Heidi Doughty, A Maguire, G Fitchett, P Parker
INTRODUCTION: Military elements increasingly operate in small teams in remote areas with no immediate blood product support. Planners and operators may endorse collection of fresh whole blood from pretested donors in emergency situations. The biggest risk of transfusion is the accidental use of ABO incompatible blood which can be fatal. The risk may be mitigated by using only group O LOw (OLO) titre donors with plasma containing low levels of the naturally occurring antibody to group A and B red cells...
September 6, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28876690/evaluating-kidney-function-in-living-donors-in-south-africa
#16
J O Okuthe, G P Candy, A M Meyers, R Britz, N Malan, V Vangu, J Fabian
BACKGROUND: Measurement of glomerular filtration rate (GFR) is the best overall index of kidney function. Equations that estimate GFR (eGFR) have been developed for clinical use such as Cockroft and Gault (C+G), four variable Modification of Diet in Renal Disease (4-v MDRD) and Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI). Although widely used, they have not been validated in Sub-Saharan Africa. METHOD: Data on 350 adults evaluated for live kidney donation from 1996 to 2013 at Charlotte Maxeke Johannesburg Academic Hospital (CMJAH) and Wits Donald Gordon Medical Centre (WDGMC) was reviewed...
June 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28859680/prevalence-of-human-pegivirus-1-and-sequence-variability-of-its-e2-glycoprotein-estimated-from-screening-donors-of-fetal-stem-cell-containing-material
#17
Yakov Vitrenko, Iryna Kostenko, Kateryna Kulebyakina, Khrystyna Sorochynska
BACKGROUND: Human pegivirus-1 (HPgV-1) is a member of the Flaviviridae family whose genomic organization and mode of cellular entry is similar to that of hepatitis C virus (HCV). The E2 glycoprotein of HPgV-1 is the principle mediator in the virus-cell interaction and as such harbors most of HPgV-1's antigenic determinants. HPgV-1 persists in blood cell precursors which are increasingly used for cell therapy. METHODS: We studied HPgV-1 prevalence in a large cohort of females donating fetal tissues for clinical use...
August 31, 2017: Virology Journal
https://www.readbyqxmd.com/read/28841764/how-do-people-become-plasma-and-platelet-donors-in-a-vnr-context
#18
Johanne Charbonneau, Marie-Soleil Cloutier, Balia Fainstein
BACKGROUND: The demand for therapeutic plasma-derived products poses a challenge to blood collection agencies (BCAs). In 2014-2015, the volume of plasma sent for fractionation met 17.7% of Quebec's needs for immunoglobulins. This article aims to offer an exploration of the paths blood donors follow in order to become plasma and platelet donors (PPDs). STUDY DESIGN AND METHOD: This analysis is based on semi-structured interviews with 50 PPDs in Quebec, Canada. Our analysis focused on the occurrence of events and the presence of contextual elements identified through: (1) factual data on PPDs; and (2) what PPDs identified as being an influence on their donation experience...
August 25, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28840653/relationships-among-obesity-type-2-diabetes-and-plasma-cytokines-in-african-american-women
#19
Gerald V Denis, Paola Sebastiani, Guillaume Andrieu, Anna H Tran, Katherine J Strissel, Frank L Lombardi, Julie R Palmer
OBJECTIVE: The principal objective of this investigation was to identify novel cytokine associations with BMI and type 2 diabetes (T2D). METHODS: Cytokines were profiled from African American women with obesity who donated plasma to the Komen Tissue Bank. Multiplex bead arrays of analytes were used to quantify 88 cytokines and chemokines in association with clinical diagnoses of metabolic health. Regression models were generated after elimination of outliers. RESULTS: Among women with obesity, T2D was associated with breast adipocyte hypertrophy and with six plasma analytes, including four chemokines (chemokine [C-C motif] ligand 2, chemokine [C-C motif] ligand 16, chemokine [C-X-C motif] ligand 1, and chemokine [C-X-C motif] ligand 16) and two growth factors (interleukin 2 and epidermal growth factor)...
November 2017: Obesity
https://www.readbyqxmd.com/read/28833188/low-hepatitis-e-virus-rna-prevalence-in-a-large-scale-survey-of-united-states-source-plasma-donors
#20
Nathan J Roth, Wolfram Schäfer, Rick Alexander, Kevin Elliott, Wlenyeno Elliott-Browne, Jonathan Knowles, Jürgen J Wenzel, Toby L Simon
BACKGROUND: Hepatitis E virus (HEV) is a small, nonenveloped, single-stranded, RNA virus of emerging concern in industrialized countries. HEV transmission through transfusion of blood components has been reported, but not via plasma-derived medicinal products (PDMPs) manufactured with virus inactivation and/or removal steps. This study aimed to determine the prevalence of HEV among US source plasma donors. STUDY DESIGN AND METHODS: Samples were collected from US source plasma donors at centers across the United States and were initially screened for HEV RNA in 96-sample minipools using the Roche cobas HEV test on the cobas 8800 system...
August 21, 2017: Transfusion
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