Abstract

BACKGROUND Fear of blood donation is implicated in vasovagal reactions, donor recruitment, and retention. This study examined the extent to which fear among donors is associated with various donor outcomes in an Australian sample, and whether fear can be addressed on-site to reduce adverse reactions and improve the donation experience. STUDY DESIGN AND METHODS Six hundred and sixty-four donors (age M = 33.4, SD = 12.7; 55% female) participated in a two-center, pragmatic, parallel group, individually randomized controlled trial. Following donor registration and consent, whole-blood (n = 539) and plasma (n = 125) donors were assigned to one of four Conditions: control; fear assessment; fear assessment + brochure; fear assessment + brochure + tailored conversation focused on any self-reported fear and coping strategies. Post-donation questionnaires assessed the donors' experience including positive support, donor self-efficacy, anxiety, fear, venipuncture pain, and vasovagal reactions. RESULTS Fear among donors predicted higher venipuncture pain, post-donation anxiety, and vasovagal reactions and remained significant after controlling for other established predictors (i.e., total estimated blood volume, age, sex, and donation experience). Mediational analyses showed that exposure to brochures (with or without the tailored conversation) was associated with less pain, with this effect mediated by donor perceptions of more positive support. Venipuncture pain was also associated with vasovagal reactions, reduced likelihood of return within 6 months, and less satisfaction with the donation experience. CONCLUSION The current results underline the importance of interventions to address fear among both whole-blood and plasma donors to secure the safety and well-being of donors and the blood supply.

Abstract

BACKGROUND AND OBJECTIVES Pre-donation screening of potential blood donors is critical for ensuring the safety of the donor blood supply, and donor deferral as a result of risk factors is practised worldwide. This systematic review was conducted in the context of an expert review convened by the Australian Red Cross Lifeblood in 2013 to consider Lifeblood's injecting drug use (IDU)-related policies and aimed to identify studies assessing interventions to improve compliance with deferral criteria in blood donation settings. MATERIALS AND METHODS MEDLINE/PubMed, OVID Medline, OVID Embase, LILACS, and the Cochrane Library (CENTRAL and DARE) databases were searched for studies conducted within blood donation settings that examined interventions to increase blood donor compliance with deferral criteria. Observational and experimental studies from all geographical areas were considered. RESULTS Ten studies were identified that tested at least one intervention to improve blood donor compliance with deferral criteria, including computerized interviews or questionnaires, direct and indirect oral questioning, educational materials, and a combination of a tickbox questionnaire and a personal donor interview. High-quality evidence from a single study was provided for the effectiveness of a computerized interview in improving detection of HIV risk behaviour. Low-quality evidence for the effectiveness of computerized interviews was provided by 3 additional studies. Two studies reported a moderate effect of direct questioning in increasing donor deferral, but the quality of the evidence was low. CONCLUSION This review identified several interventions to improve donor compliance that have been tested in blood donation settings and provided evidence for the effectiveness of computerized interviews in improving detection of risk factors.

Abstract

Although voluntary blood donation is important in terms of sustainable blood supply, voluntary blood donation rates in the world and in our country are behind the desired target. University students are an important group in achieving the goal. The study was planned among 551 university students between 19-21 March 2018.It was planned as a single-blind randomized controlled study in order to evaluate the factors affecting students' blood donation decision and the effect of brochure and video information on fear, anxiety and intention. The data obtained by using Blood Donation Questionnaire and State Anxiety Scale and p ≤ 0.05 was accepted as significant. As a result of the study, 37.9 % of the students reported that they did not give blood due to health reasons, 26 % insecurity and 24.1 % fear. The increase in after the intervention knowledge level was mostly in the group of videos and improved brochures (p < 0.001).There was no difference between the groups in terms of the State Anxiety Scale mean scores p> 0.05). In after the intervention, those who intend to give blood have higher knowledge and their fear and anxiety scores less than those not intend to give blood (p < 0.05). There was no difference between the groups in terms of intention to give blood after the intervention (p> 0.05). As a result, it was found that the information given through the developed brochures and videos increased the level of knowledge, had no effect on the anxiety level and it can be said that the improved brochure has positive effects on intent and fear.

Abstract

OBJECTIVES The aim of this study was to measure blood concentrations of environmental pollutants in Norwegian donors and evaluate the risk of pollutant exposure through blood transfusions. BACKGROUND Transfused blood may be a potential source of exposure to heavy metals and organic pollutants and presents a risk to vulnerable patient groups such as premature infants. METHODS/MATERIALS Donors were randomly recruited from three Norwegian blood banks: in Bergen, Tromso and Kirkenes. Selected heavy metals were measured in whole blood using inductively coupled plasma mass spectrometry (ICP-MS), and perfluoroalkyl substances (PFAS) were measured in serum by ultrahigh-pressure liquid chromatography coupled with a triple-quadrupole mass spectrometer (UHPLC-MS/MS). RESULTS Almost 18% of blood donors had lead concentrations over the limit suggested for transfusions in premature infants (0.09 mumol/L). About 11% of all donors had mercury concentrations over the suggested limit of 23.7 nmol/L. Cadmium was higher than the limit, 16 nmol/L, in 4% of donors. Perfluorooctanoate (PFOA) and perfluorooctane sulfonate (PFOS) concentrations were over the suggested limit of 0.91 ng/mL in 68% and 100% of the donors, respectively. PFAS concentrations and heavy metal concentrations increased with donor's age. CONCLUSION A considerable percentage of donors had lead, PFOS and PFOA concentrations over the suggested limits. In addition, at each study site, there were donors with high mercury and cadmium concentrations. Selecting young donors for transfusions or measurements of pollutants in donor blood may be a feasible approach to avoid exposure through blood transfusions to vulnerable groups of patients such as premature infants.

Abstract

BACKGROUND AND OBJECTIVES Blood services are tasked with efficiently maintaining a reliable blood supply, and there has been much debate over the use of incentives to motivate prosocial activities. Thus, it is important to understand the relative effectiveness of interventions for increasing donations. MATERIALS AND METHODS This systematic review used a broad search strategy to identify randomized controlled trials comparing interventions for increasing blood donations. After full-text review, 28 trials from 25 published articles were included. Sufficient data for meta-analysis were available from 27 trials. Monetary incentives were assumed to be equivalent regardless of value, and non-monetary incentives were assumed to be equivalent regardless of type. Non-incentive-based interventions identified included existing practice, letters, telephone calls, questionnaires, and the combination of a letter & telephone call. A network meta-analysis was used to pool the results from identified trials. A subgroup analysis was performed in populations of donors and non-donors as sensitivity analyses. RESULTS The best performing interventions were letter & telephone call and telephone call-only with odds ratios of 3.08 (95% CI: 1.99, 4.75) and 1.99 (95% CI: 1.47, 2.69) compared to existing practice, respectively. With considerable uncertainty around the pooled effect, we found no evidence that monetary incentives were effective at increasing donations compared to existing practice. Non-monetary incentives were only effective in the donor subgroup. CONCLUSION When pooling across modes of interventions, letter & telephone call and telephone call-only are effective at increasing blood donations. The effectiveness of incentives remains unclear with limited, disparate evidence identified.

Abstract

BACKGROUND Receiving a temporary deferral has been shown to negatively affect donor retention. One contributing factor for low donor return may be poor understanding of why the deferral has occurred. The aim of this study was to determine whether new educational materials-a brochure, guided conversation, and follow-up email-increased deferred donors' knowledge about their donation eligibility, satisfaction with the deferral process, intention to return, and odds of rebooking another appointment. STUDY DESIGN AND METHODS A three-arm cluster randomised controlled trial was conducted to evaluate the impact of the educational materials compared to business as usual deferral procedures: (a) In-center brochure and follow-up email; (b) Email only; (c) Control. A survey was administered to a random sample of trial participants (n = 847). RESULTS Compared with the control condition, donors in the in-center brochure and email condition were more knowledgeable about the end date of their deferral, and reported higher satisfaction with the deferral information provided, and had fewer questions and/or concerns about the deferral. Similar findings were observed when comparing the email only condition to the in-center brochure and email condition. No differences were found in intention to return. Donors in the in-center brochure plus email condition had increased odds (OR:1.385) of rebooking their next appointment compared to the combined email only and control conditions. CONCLUSIONS The application of a deferral is often misunderstood by donors. Providing educational materials to donors can increase their understanding and may lead to increased retention of donors through rebooking of subsequent donations.

Abstract

BACKGROUND Analysis of the literature suggests that changes relating to blood donations and blood component transfusion are occurring due to the aging of the population. OBJECTIVE To gain better understanding of the demand and supply of these inputs over time, and to identify the main associated demographic characteristics. DESIGN AND SETTING Systematic review conducted on time series relating to blood donations and blood component transfusions worldwide. METHODS A systematic review of the literature was conducted based on articles that presented time series relating to blood donation or blood component transfusion. RESULTS We found 1,814 articles. After the deletion process, only thirteen were read. Overall, these suggested that there is increasing demand for blood components and decreasing donation. The existence of seasonality regarding blood donation was pointed out. Men usually donated more blood and demanded more blood components than women. Approximately 50% of blood transfusions were performed in people aged ≥ 60 years. CONCLUSIONS This analysis on articles that presented time series relating to blood donations and blood component transfusion showed that aging of the population was the main factor associated with the increasing demand for blood and the decreasing supply of blood.

Abstract

BACKGROUND Recruiting of sufficient numbers of donors of blood products is vital worldwide. In this study we assessed the efficacy and cost-effectiveness of telephone calls and SMS reminders for re-recruitment of inactive blood donors. METHODS This single-centre, non-blinded, parallel randomised controlled trial in Guangzhou, China included 11,880 inactive blood donors whose last donation was between January 1 and June 30, 2014. The donors were randomly assigned to one of two intervention groups (telephone call or short message service [SMS] communications) or to a control group without intervention. SMS messages with altruistic appeal were adopted in the SMS group; in addition to altruistic appeal, reasons for deferral of blood donation were also asked in the telephone group. All participants were followed up for 1 year. The primary outcome was re-donation rate, and rates in different groups were compared by intention-to-treat (ITT) analysis and estimation of the average treatment effect on the treated (ATT). Secondary outcomes were the self-reported deterrents. Other outcomes included the re-donation interval, and the incremental cost-effectiveness ratio (ICER) of telephone calls and SMS reminders on re-recruitment. RESULTS ITT analysis revealed no significant differences in the re-donation rate among the three groups. ATT estimations indicated that among compliers, telephone calls significantly increased re-donation compared to both SMS reminders and no intervention. Donor return behaviour was positively associated with receiving reminders successfully, being male, older age, and previous donation history. The SMS reminder prompted donors to return sooner than no reminder within 6 months, and according to ICER calculations, SMS reminders were more cost-effective than telephone calls. Donors reported time constraints as the most main causes of self-deferral in the telephone group, and altruistic appeal had a positive effect on these donors. CONCLUSIONS Interventions to reactivate inactive blood donors can be effective, with telephone calls prompting more donors to return but at a greater cost than SMS messages. SMS reminder with altruistic appeal can urge donors to re-donate sooner within 6 months than no reminder. TRIAL REGISTRATION NCT03366441 (Reactivation of Inactive Blood Donors). Retrospectively registered 4 December 2017.

Abstract

BACKGROUND As demand for plasma-derived products grows, retention of voluntary nonremunerated plasmapheresis donors is crucial for many blood collection agencies. Currently, there is limited evidence of how to encourage first-time plasmapheresis donors to return and establish a high-frequency donation routine. This study tested the effectiveness of an intervention designed to increase retention of first-time plasmapheresis donors, increase donation frequency, and reduce time to return. STUDY DESIGN AND METHODS A total of 6788 first-time plasmapheresis donors were randomly assigned to one of four conditions. Donors received an alternative e-mail or the business-as-usual control e-mail paired or not with a phone call. Outcomes were compared to the control e-mail in intention-to-treat analyses. RESULTS Compared with control, donors in all intervention conditions were more likely to donate plasma as their first return donation in 6 months; however, there were no significant differences between intervention conditions. Rates of plasma donation in the alternative e-mail, control e-mail plus call, and alternative e-mail plus call conditions were 17.0, 15.0, and 18.0% higher than control. While the extra donations obtained in the alternative e-mail condition were cost neutral, the cost of one additional donation in the call conditions ranged from 20.14-20.89 AUD (13.08-13.56 USD). CONCLUSION Communications specifically designed to encourage first-time plasmapheresis donors to view regular plasmapheresis donations as "easy"; to forward-book more than one appointment; and to provide education about plasma are effective in encouraging donors to return to plasma, to donate more frequently, and to return faster.

Abstract

Prior studies suggest that responding to online motivational questions increases blood donation intention. The present studies were designed to extend these findings by (a) exploring the impact of methodologic variations in the content and order of administration of specific questions on donation intention and (b) examining anticipated positive and negative emotional reactions as potential mediators. STUDY DESIGN AND METHODS In the first study, 4709 respondents (51.2% female; mean +/- SD age, 38.4 +/- 12.1 years) were randomly assigned to one of four motivational questions or a no-question control. In the second study, 5291 respondents (52.7% female; mean +/- SD age, 37.3 +/- 11.9 years) were randomly assigned to one of six motivational questions or a no-question control. In both studies, the motivational questions were followed by measures of donation intention, anticipated warm glow, and anticipated regret. RESULTS In Study 1, three of the four questions were associated with higher donation intentions, with anticipated warm glow being a potential partial mediator for two of the questions. In Study 2, five of the six questions were associated with higher donation intentions, with anticipated warm glow and anticipated regret being potential partial mediators for three of the questions. These effects were largely consistent among donors and nondonors. CONCLUSION These studies expand our understanding of the association between particular motivational questions and donation intentions and provide preliminary support for the notion that specific questions may influence donation intention by increasing anticipated positive and negative emotional reactions to the thought of giving or not giving, respectively.