Publications by authors named "Simon J Stanworth"

Background: Platelet transfusions are given to preterm infants with severe thrombocytopenia aiming to prevent haemorrhage. The PlaNeT2/MATISSE trial revealed higher rates of mortality and/or major bleeding in preterm infants receiving prophylactic platelet transfusions at a platelet count threshold of 50 × 10/L compared to 25 × 10/L. The extent to which this evidence has been incorporated into clinical practice is unknown, thus we aimed to describe current neonatal platelet transfusion practices in Europe.

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Despite epidemiological data on anaemia being available on a global scale, its prevalence in the United Kingdom is not well described. To investigate anaemia prevalence and testing patterns for haemoglobin and other blood parameters. A population-based cohort study using data drawn from the Clinical Practice Research Datalink Aurum database in 2019.

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Objectives: To survey practices of iron and recombinant human erythropoietin (rhEpo) administration to infants born preterm across Europe.

Study Design: Over a 3-month period, we conducted an online survey in 597 neonatal intensive care units (NICUs) of 18 European countries treating infants born with a gestational age of <32 weeks.

Results: We included 343 NICUs (response rate 56.

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Article Synopsis
  • - Oral iron is the primary treatment for iron deficiency anemia during pregnancy, and a pilot randomized trial was conducted to assess different dosing schedules (daily, every other day, and three times a week) on various outcomes in non-anemic pregnant women.
  • - Of the 300 participants, overall adherence to the supplementation was 82.5%, with better adherence in the alternate day and three times a week groups (62% and 61%, respectively) compared to the daily group (47%).
  • - Results indicated that the daily iron dosing may help maintain hemoglobin levels better, but many reported side effects overlapped with typical pregnancy symptoms. More extensive trials are needed to confirm the benefits of oral iron supplementation for preventing iron deficiency anemia.
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Background: Trauma induced coagulopathy remains to be an important cause of high transfusion requirements and mortality and shock induced endotheliopathy (SHINE) has been implicated.

Methods: European multicenter observational study of adult trauma patients with injury severity score ≥ 16 arriving within 2 h from injury to the trauma centers. Admission blood samples obtained were used for analysis of the SHINE biomarkers (syndecan-1, soluble thrombomodulin, adrenaline) and extensive analysis of coagulation, -and fibrinolytic factors together with collection of clinical data.

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Thrombocytopenic patients have an increased risk of bleeding when undergoing invasive procedures. In a multicentre, phase II, blinded, randomised, controlled feasibility trial, critically ill patients with platelet count 100 × 10/L or less were randomised 1:1 to intravenous desmopressin (0.3 µg/kg) or placebo before an invasive procedure.

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Article Synopsis
  • - The Intensive Care Medicine Rapid Practice Guideline (ICM-RPG) provides evidence-based recommendations for using small-volume versus conventional blood collection tubes in adult ICU patients.
  • - A systematic review of 23 panelists across 8 countries revealed high certainty that small-volume tubes minimize blood sampling volume and show moderate certainty in reducing transfusion risks, despite some imprecision in the data.
  • - The panel strongly recommends small-volume tubes due to their benefits, including reduced waste and successful implementation in various countries, although there are initial costs related to validating these tubes for laboratory use.
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We report 1- and 5-year survival after acute myeloid leukemia (AML) diagnosis and early mortality within 30 days of systemic anticancer therapy (SACT) treatments, using national cancer registry data in England. Patients aged 18 to 99 years diagnosed between 2013 and 2020 were included. Overall survival (OS) was calculated using Kaplan-Meier methodology, and adjusted hazard ratios (aHRs; adjusted for intensity of treatment, age at diagnosis, sex, ethnicity, socioeconomic deprivation, comorbidity, and year of diagnosis) using Cox proportional hazards regression.

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Importance: Red blood cell (RBC) transfusion is a common medical intervention to treat anemia in very preterm neonates; however, best transfusion practices, such as thresholds, remain uncertain.

Objective: To develop recommendations for clinicians on the use of RBC transfusions in very preterm neonates.

Evidence Review: An international steering committee reviewed evidence from a systematic review of 6 randomized clinical trials (RCTs) that compared high vs low hemoglobin-based or hematocrit-based transfusion thresholds.

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Article Synopsis
  • * A mixed-method approach was used, combining surveys and interviews from participants across 13 institutions, revealing various funding sources and diverse assessment methods for measuring learner outcomes.
  • * Key facilitators include management support and compliance audits, while barriers involve challenges like time allocation for development, content updates, and access to performance data; there's a call for more research on the impact of these e-learning programs on actual transfusion practices.
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Background: Blood components are costly and scarce. The Blood Stocks Management Scheme (BSMS) was established in the United Kingdom (UK) to support hospital transfusion services and national blood services through collection, analysis, and monthly feedback of data on blood component inventory and wastage management. There is a growing evidence base on how best to deliver feedback for quality improvement.

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Background: Previous systematic reviews have revealed an inconsistency of outcome definitions as a major barrier in providing evidence-based guidance for the use of plasma transfusion to prevent or treat bleeding. We reviewed and analyzed outcomes in randomized controlled trials (RCTs) to provide a methodology for describing and classifying outcomes.

Study Design And Methods: RCTs involving transfusion of plasma published after 2000 were identified from a prior review (Yang 2012) and combined with an updated systematic literature search of multiple databases (July 1, 2011 to January 17, 2023).

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Objectives: Many children leave the PICU with anemia. The mechanisms of post-PICU anemia are poorly investigated, and treatment of anemia, other than blood, is rarely started during PICU. We aimed to characterize the contributions of iron depletion (ID) and/or inflammation in the development of post-PICU anemia and to explore the utility of hepcidin (a novel iron marker) at detecting ID during inflammation.

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Background: The optimal hemoglobin (Hb) threshold for red blood cell transfusions in adult patients with myelodysplastic syndromes (MDS) has not been defined.

Study Design And Methods: We conducted a pilot randomized multi-center study of two transfusion algorithms (liberal, to maintain Hb 110-120 g/L, transfuse 2 units if Hb < 105 g/L and 1 unit if Hb 105-110 g/L vs. restrictive, 85-105 g/L, transfuse 2 units when Hgb < 85 g/L).

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Article Synopsis
  • Anemia in patients with myelodysplastic syndromes (MDS) negatively impacts their quality of life, and the study aims to assess if weekly low-dose red blood cell (RBC) transfusions could stabilize hemoglobin levels and improve health-related quality of life (HRQoL) compared to the standard transfusion schedule.
  • This n-of-1 pilot study involves two treatment arms where patients receive either their usual transfusion schedule or a personalized weekly transfusion, with the effectiveness measured through feasibility, HRQoL, physical function, and RBC usage.
  • The trial is ongoing in multiple countries, highlighting differences in RBC provision practices and aiming to gather insights that will shape a larger study on the potential benefits of personalized transfusion
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Background: Early blood transfusion improves survival in patients with life-threatening bleeding, but the optimal transfusion strategy in the pre-hospital setting has yet to be established. Although there is some evidence of benefit with the use of whole blood, there have been no randomised controlled trials exploring the clinical and cost effectiveness of pre-hospital administration of whole blood versus component therapy for trauma patients with life-threatening bleeding. The aim of this trial is to determine whether pre-hospital leukocyte-depleted whole blood transfusion is better than standard care (blood component transfusion) in reducing the proportion of participants who experience death or massive transfusion at 24 h.

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