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1.
A systematic review of indications when and how a military walking Blood Bank could bridge blood product unavailability
Degueldre, J., Dessy, E., T'Sas, F., Deneys, V.
Blood transfusion = Trasfusione del sangue. 2024
Abstract
BACKGROUND Blood supply problems in remote areas are well known. To overcome this shortage, many countries have developed innovative Walking Blood Bank (WBB) protocols. However, no common standards have yet been set for their use and common actions. Given that these procedures involve a certain risk, it would be interesting to analyse the activating criteria that lead to using this unusual protocol. Thus, this review aimed to identify indications for a WBB and the common risk mitigation measures. MATERIAL AND METHODS This PRISMA-compliant review only included studies published from 1985 to 25(th) of January 2023 that describe adult male military casualties requiring blood transfused locally using a walking blood transfusion protocol. All relevant data (i.e., activation and contextual factors and risk mitigation measures) were tabulated to retrieve information from the selected military studies. RESULTS Our results indicated that activation criteria were homogeneous across the 12 reviewed studies. Whole blood was collected from a WBB when there was a shortage of blood products and when platelets were needed. In the literature reviewed, the main risks associated with such a protocol, namely hemolytic adverse events and transfusion transmitted diseases, are mitigated by the use of typing and screening measures if they are reported. However, there is less consistency in the implementation of those risk mitigation measures. DISCUSSION This unusual protocol needs to be integrated into the medical support plan until conventional transfusion support can take over, and should include on-site blood collection from a donor, whether a WBB or an emergency donor panel. The benefits of such a protocol outweigh the risks in a life-threatening situation, especially since these risks can be anticipated and minimised by planning to pre-screen all potential donors before their deployment. Finally, educating and training the staff who must implement this unusual procedure can also improve the safety and survival rate of future patients.
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Validation of three models for prediction of blood transfusion during cesarean delivery admission
Bruno, A., Federspiel, J. J., McGee, P., Pacheco, L., Saade, G., Parry, S., Longo, M., Tita, A., Gyamfi-Bannerman, C., Chauhan, S., et al
American journal of perinatology. 2023
Abstract
OBJECTIVE Prediction of blood transfusion during delivery admission allows for clinical preparedness and risk mitigation. Although prediction models have been developed and adopted into practice, their external validation is limited. We aimed to evaluate the performance of three blood transfusion prediction models in a U.S. cohort of individuals undergoing cesarean delivery. METHODS This was a secondary analysis of a multicenter randomized trial of tranexamic acid for prevention of hemorrhage at time of cesarean delivery. Three models were considered: a categorical risk tool (California Maternal Quality Care Collaborative (CMQCC)), and two regression models (Ahmadzia et al and Albright et al). The primary outcome was red blood cell transfusion. The CMQCC algorithm was applied to the cohort with frequency of risk category (low, medium, high) and associated transfusion rates reported. For the regression models, the area under the receiver-operating curve (AUC) was calculated and a calibration curve plotted to evaluate each model's capacity to predict receipt of transfusion. The regression model outputs were statistically compared. RESULTS Of 10,785 analyzed individuals, 3.9% received a red blood cell transfusion during delivery admission. The CMQCC risk tool categorized 1,970 (18.3%) individuals as low-risk, 5,259 (48.8%) as medium-risk, and 3,556 (33.0%) as high-risk with corresponding transfusion rates of 2.1% (95% CI 1.5-2.9%), 2.2% (95% CI 1.8-2.6%), and 7.5% (95% CI 6.6-8.4%), respectively. The AUC for prediction of blood transfusion using the Ahmadzia and Albright models was 0.78 (95% CI 0.76-0.81) and 0.79 (95% CI 0.77-0.82), respectively (p=0.38 for difference). Calibration curves demonstrated overall agreement between the predicted probability and observed likelihood of blood transfusion. CONCLUSION Three models were externally validated for prediction of blood transfusion during cesarean delivery admission in this U.S. COHORT Overall, performance was moderate; model selection should be based on ease of application until a specific model with superior predictive ability is developed.
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Effect of Benson's relaxation technique versus music intervention on physiological parameters and stress of children with thalassemia during blood transfusions: A randomized controlled trial
Badr, E. A., Ibrahim, H., Saleh, S. E.
Journal of pediatric nursing. 2023
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Editor's Choice
Abstract
BACKGROUND Children with thalassemia are generally dependent on blood transfusions and face a lot of stress and alteration in their physiological parameters through the procedure. AIM: This study aimed to investigate the effect of Benson's relaxation technique versus music intervention on physiological parameters and stress of children with thalassemia during blood transfusions. DESIGN A randomized, controlled trial with three parallel groups. METHODS One hundred and twenty preschool-age children with thalassemia who underwent blood transfusions were randomly assigned to three groups. Children of the control group received only routine hospital care through blood transfusions. Music intervention group children listened to recorded Mozart's music and children of Benson's relaxation group received relaxation intervention before and during the blood transfusions. Outcome measures were physiological parameters and behavioral distress levels. SETTING Hematology outpatient clinic of the Children's University Hospital at El-Shatby in Alexandria from October 2022 to February 2023. RESULTS The mean total score of children's behavioral responses to stress before the blood transfusions procedure was 19.32 ± 4.08, 14.20 ± 0.93, and 16.92 ± 4.74 in the control, music, and Benson groups, respectively. Beyond that, there was a decline in their physiological parameters and behavioral stress response during and after procedure among groups of study (P = 0.005 & <0.001, respectively). CONCLUSION Music and Benson's relaxation interventions had a helpful effect on stabilizing the physiological parameters and reducing behavioral distress levels in children with thalassemia undergoing blood transfusions. PRACTICE IMPLICATIONS This study directs paediatric nurses to apply Benson's relaxation and music interventions for children with thalassemia to enhance their responses.
PICO Summary
Population
Preschool-age children with thalassemia who underwent blood transfusions (n= 120).
Intervention
Benson’s relaxation technique intervention (n= 40).
Comparison
Mozart's music intervention (n= 40); routine hospital care (n= 40).
Outcome
The mean total score of children's behavioral responses to stress before the blood transfusions procedure was 19.32 ± 4.08, 14.20 ± 0.93, and 16.92 ± 4.74 in the control, music, and Benson groups, respectively. Beyond that, there was a decline in their physiological parameters and behavioral stress response during and after procedure among groups of study.
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Management of severe peri-operative bleeding: Guidelines from the European Society of Anaesthesiology and Intensive Care: Second update 2022
Kietaibl, S., Ahmed, A., Afshari, A., Albaladejo, P., Aldecoa, C., Barauskas, G., De Robertis, E., Faraoni, D., Filipescu, D. C., Fries, D., et al
European Journal of Anaesthesiology. 2023;40(4):226-304
Abstract
BACKGROUND Management of peri-operative bleeding is complex and involves multiple assessment tools and strategies to ensure optimal patient care with the goal of reducing morbidity and mortality. These updated guidelines from the European Society of Anaesthesiology and Intensive Care (ESAIC) aim to provide an evidence-based set of recommendations for healthcare professionals to help ensure improved clinical management. DESIGN A systematic literature search from 2015 to 2021 of several electronic databases was performed without language restrictions. Grading of Recommendations, Assessment, Development and Evaluation (GRADE) was used to assess the methodological quality of the included studies and to formulate recommendations. A Delphi methodology was used to prepare a clinical practice guideline. RESULTS These searches identified 137 999 articles. All articles were assessed, and the existing 2017 guidelines were revised to incorporate new evidence. Sixteen recommendations derived from the systematic literature search, and four clinical guidances retained from previous ESAIC guidelines were formulated. Using the Delphi process on 253 sentences of guidance, strong consensus (>90% agreement) was achieved in 97% and consensus (75 to 90% agreement) in 3%. DISCUSSION Peri-operative bleeding management encompasses the patient's journey from the pre-operative state through the postoperative period. Along this journey, many features of the patient's pre-operative coagulation status, underlying comorbidities, general health and the procedures that they are undergoing need to be taken into account. Due to the many important aspects in peri-operative nontrauma bleeding management, guidance as to how best approach and treat each individual patient are key. Understanding which therapeutic approaches are most valuable at each timepoint can only enhance patient care, ensuring the best outcomes by reducing blood loss and, therefore, overall morbidity and mortality. CONCLUSION All healthcare professionals involved in the management of patients at risk for surgical bleeding should be aware of the current therapeutic options and approaches that are available to them. These guidelines aim to provide specific guidance for bleeding management in a variety of clinical situations.
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Effect of Early Equal-Proportional Infusion of Plasma and Red Blood Cells on the Prognosis of Emergency Patients with Traumatic Hemorrhage
Fan, Y., Ye, Z., Tang, Y.
Clinical laboratory. 2023;69(7)
Abstract
BACKGROUND The goal was to study the effect of early equal-proportion transfusion on the prognosis of trauma patients with bleeding. METHODS Emergency hospital trauma patients were randomly divided into two groups, a group based on assessment of blood consumption (ABC) to assess whether need to start the massive blood transfusion patients, such as proportion of blood transfusion (fresh frozen plasma: suspended red blood cells = 1:1), and the other group using traditional methods of blood transfusion, namely according to routine blood and clotting function and hemodynamic parameters, to decide when and what blood constituents should be transfused. RESULTS The coagulation got better in the early equal-proportion transfusion group, there were significant differences of PT and APTT (p < 0.05). The amount of 24 hours RBC and plasma transfusion was decreased in the early equal-proportion transfusion group, compared to the control group (p < 0.05), the length of ICU stay was shortened, the 24-hours SOFA score was improved, and there was no significant difference in 24-hours mortality, in-hospital mortality and total length of in-hospital stay (p > 0.05). CONCLUSIONS Early transfusion can reduce the total amount of blood transfusion and shorten ICU time, but has no significant effect on mortality.
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Study on the Effectiveness and Value of Evidence-Based Nursing and Predictive Nursing in Emergency Treatment of Upper Gastrointestinal Bleeding
Yang, Y., Li, Z., He, Y., Xu, M.
Alternative therapies in health and medicine. 2023
Abstract
OBJECTIVE To study the effectiveness and value of evidence-based nursing and predictive nursing in emergency treatment of upper gastrointestinal bleeding. METHODS A total of 100 patients with upper gastrointestinal bleeding in our hospital were selected. The period was from January 2020 to June 2022. They were grouped according to the double color ball method, 50 cases in the control group were given routine nursing, and 50 cases in the observation group were given evidence-based nursing combined with predictive nursing. The key points of evidence-based nursing are to identify the evidence-based question, search for relevant literature, identify scientifically effective nursing measures, and develop nursing care plans that are tailored to the patient's specific situation based on evidence and clinical experience. Predictive nursing requires nurses to have a high level of awareness and risk prevention consciousness to provide care for early signs of bleeding and prevent the occurrence of complications. The psychological state scores, clinical-related indicators, clinical efficacy, incidence of complications, nursing satisfaction, and quality of life scores of the two groups were compared. RESULTS After the intervention, the SAS score (42.25 ± 1.67) and SDS score (43.59 ± 1.86) of the observation group were lower than those of the control group, the bleeding times (2.41 ± 0.45) of the observation group were less than those of the control group, the hemostasis time (30.12 ± 5.38d) and hospitalization time (5.01 ± 1.11d) of the observation group were shorter than those of the control group, and the difference was statistically significant (all P < .05). The total effective rate of hemostasis (96.00%), patient satisfaction (98.00%), and scores of physical health (88.98 ± 5.59), psychological function (91.08 ± 5.11), material life state (90.54 ± 6.46) and social function (89.59 ± 5.78) in GQOLI-74 scores in the observation group were higher than those in the control group. The incidence of complications (6.00%) in the observation group was lower than that in the control group, and the difference was statistically significant (all P < .05). CONCLUSION Upper gastrointestinal bleeding is a common emergency in gastroenterology, characterized by rapid onset, severe symptoms, and quick changes. Therefore, in order to expedite the recovery of patients with acute upper gastrointestinal bleeding and ensure their safety, it is necessary to provide effective clinical emergency nursing care. Evidence-based nursing can help nurses take appropriate nursing measures based on the best and latest evidence, to meet the reasonable individualized needs of patients. Predictive nursing is a nursing model that predicts potential nursing risks in advance and takes corresponding preventive measures. It can timely and systematically address risks in nursing and promote improvements in the effectiveness of disease treatment. The combined application of evidence-based nursing and predictive nursing can improve the hemostatic efficiency of patients with upper gastrointestinal bleeding, improve the psychological state and quality of life, reduce the incidence of complications, and obtain higher satisfaction. The combined application of these two nursing models has positive implications for improving nursing efficiency, enhancing patient cooperation during emergency care, improving hemostasis effectiveness, enhancing quality of life, and fostering a harmonious nurse-patient relationship.
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The Impact of a Humanized Nursing Model on the Nursing Outcomes of Emergency Transfusion Patients
Chen, J., Ding, D.
Alternative therapies in health and medicine. 2023
Abstract
BACKGROUND Emergency transfusion is a frequently performed invasive medical procedure. Patients often experience negative emotions and exhibit poor compliance during transfusion. Therefore, it is imperative to proactively implement effective nursing interventions. OBJECTIVE This study aims to investigate the impact of a humanized nursing model on the nursing outcomes of emergency transfusion patients. DESIGN This research was conducted as a randomized controlled experiment. SETTING The study was conducted in the emergency department of Suzhou Hospital of Integrated Chinese and Western Medicine. PARTICIPANTS A total of 120 patients who underwent emergency transfusion treatment in our hospital from February 2021 to October 2022 were selected. They were divided into two groups, the control group, and the observation group, using a random number table method, with 60 patients in each group. INTERVENTIONS The control group received standard nursing care, while the observation group received humanized nursing. PRIMARY OUTCOME MEASURES The primary outcome measures included (1) assessment of psychological states, (2) evaluation of physical and mental comfort, (3) assessment of transfusion compliance, (4) incidence of adverse transfusion events, and (5) assessment of nursing satisfaction. RESULTS Prior to nursing interventions, anxiety and depression scores were not significantly different between the two groups (P > .05). After nursing interventions, both groups exhibited a decrease in scores, with the observation group showing a more significant reduction compared to the control group (P < .05). In all aspects of physical and mental comfort, the observation group scored significantly higher than the control group (P < .05). Transfusion compliance and nursing satisfaction were significantly higher in the observation group compared to the control group (P < .01). The incidence of adverse transfusion events in the observation group was significantly lower than in the control group (P < .01). CONCLUSIONS Humanized nursing significantly improves anxiety and depression in emergency transfusion patients, enhances their physical and mental comfort, and increases transfusion compliance while reducing adverse transfusion events. It leads to high patient satisfaction with nursing services.
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Trial-related blood sampling and red-blood-cell transfusions in preterm infants
Lewis, A. E., Kappel, S. S., Hussain, S., Sangild, P. T., Zachariassen, G., Aunsholt, L.
Acta paediatrica (Oslo, Norway : 1992). 2023
Abstract
AIM: To determine if trial-related blood sampling increases the risk of later red-blood-cell (RBC) transfusion in very preterm infants, we compared the volume of clinical- and trial-related blood samples, in a specific trial and correlated to subsequent RBC transfusion. METHODS For 193 very preterm infants, participating in the FortiColos trial (NCT03537365), trial-related blood volume drawn was in accordance to ethical considerations established by the European Commission. Medical records were reviewed to assess the number and cumulated volume (mL/kg) of blood samples (both clinical- and trial-related). Data were compared with need of RBC transfusions during the first 28days of life. RESULTS Mean (SD) gestational age and bith weight was 28 ± 1 weeks and 1168 ± 301 g. In total, 11% of total blood volume was drawn for sampling (8.1 ± 5.1 mL/kg) and trial-related sampling accounted for 1.6 ± 0.6 mL/kg. Trial-related blood sampling had no impact on RBC transfusion (p=0.9). CONCLUSION Clinical blood sampling in very preterm infants is associated with blood loss and subsequent need for RBC transfusions. In a specific trial requiring blood samples, we found no additional burden of trial-related blood sampling. The study suggest that trial-related sampling is safe if European criteria are followed.
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Optimizing Safety and Success: The Advantages of Bloodless Cardiac Surgery. A Systematic Review and Meta-Analysis of Outcomes in Jehovah's Witnesses
Gemelli, M., Italiano, E. G., Geatti, V., Addonizio, M., Cao, I., Dimagli, A., Dokollari, A., Tarzia, V., Gallo, M., Ferrari, E., et al
Current problems in cardiology. 2023;:102078
Abstract
OBJECTIVE Transfusions are extremely frequent after cardiac surgery, and they have a considerable economic burden and impact on outcomes. Optimal patient blood management (PBM) could play a fundamental role in reducing the rate of transfusion and Jehovah's Witnesses (JW) represent the ideal surrogate study population. This meta-analysis compares outcomes of JWs and non-JWs' patients undergoing cardiac surgery, assessing the safety of a bloodless cardiac surgery. METHODS A scoping review was conducted using a search strategy for studies assessing outcomes of JW undergoing cardiac surgery. The primary outcome was perioperative mortality, and a random-effects meta-analysis was performed. RESULTS Ten studies were included in our meta-analysis, involving 780 JW patients refusing any type of transfusion ("JW") and 1182 patients accepting transfusion if needed ("non-JW"). 86% of non-JW patients received at least 1 transfusion. There was no significant difference in terms of perioperative mortality (OR 0.91; 95% CI 0.55 - 1.52; p = 0.72). The volume blood loss was significantly less in the JW (p = 0.001), while the rate of reoperation for bleeding was also lower, but not statistically significative, in the JW (p = 0.16). Both pre-operative and post-operative hemoglobin and hematocrit were significantly higher in the JW. CONCLUSIONS Bloodless cardiac surgery is safe and early outcomes are similar between JW and non-JW patients: optimal patient blood management is fundamental in guarantying these results. Further studies are needed to assess if a limitation of transfusion could have a positive long-term impact on outcomes.
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Systematic review highlights high risk of bias of clinical prediction models for blood transfusion in patients undergoing elective surgery
Dhiman P, Ma J, Gibbs VN, Rampotas A, Kamal H, Arshad SS, Kirtley S, Doree C, Murphy MF, Collins GS, et al
Journal of clinical epidemiology. 2023
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Free full text
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Editor's Choice
Abstract
BACKGROUND Blood transfusion can be a lifesaving intervention after perioperative blood loss. Many prediction models have been developed to identify patients most likely to require blood transfusion during elective surgery, but it is unclear whether any are suitable for clinical practice. STUDY DESIGN AND SETTING We conducted a systematic review, searching MEDLINE, Embase, PubMed, The Cochrane Library, Transfusion Evidence Library, Scopus, and Web of Science databases for studies reporting the development or validation of a blood transfusion prediction model in elective surgery patients between 01/01/2000 to 30/06/2021. We extracted study characteristics, discrimination performance (c-statistics) of final models and data which we used to perform risk of bias assessment using the Prediction model Risk Of Bias ASsessment Tool (PROBAST). RESULTS We reviewed 66 studies (72 developed and 48 externally validated models). Pooled c-statistics of externally validated models ranged from 0.67 to 0.78. Most developed and validated models were at high risk of bias due to handling of predictors, validation methods, and too small sample sizes. CONCLUSION Most blood transfusion prediction models are at high risk of bias and suffer from poor reporting and methodological quality, which must be addressed before they can be safely used in clinical practice.
PICO Summary
Population
Patients undergoing elective surgery (66 studies).
Intervention
Blood transfusion prediction models used perioperatively.
Comparison
Outcome
This systematic review appraised 120 prediction models developed or validated for predicting blood transfusion in elective surgery (72 developed and 48 externally validated models). Pooled c-statistics of externally validated models ranged from 0.67 to 0.78. Most developed and validated models were at high risk of bias due to handling of predictors, validation methods, and too small sample sizes.