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What Shapes Pediatric Platelet Response?

REDS-IV-P data examine how storage time, pathogen reduction, and donor factors affect transfusion outcomes in pediatric patients

  • By

  • Jess Allerton

  • February 26, 2026

  • 3 min

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Clinical Report: What Shapes Pediatric Platelet Response?

Overview

A multicenter cohort study analyzed platelet transfusion practices in pediatric patients, revealing significant variability in transfusion thresholds and posttransfusion increments. Key factors influencing platelet response included donor characteristics and product processing methods.

Background

Platelet transfusion practices in neonates and children are crucial for managing bleeding risks and ensuring effective treatment. Understanding the factors that influence platelet response can help optimize transfusion strategies and improve patient outcomes. This study highlights the need for a more standardized approach to platelet transfusions in pediatric populations.

Data Highlights

Age GroupTransfusion RateMedian Pretransfusion Platelet CountMedian Transfusion Dose (mL/kg)
Neonates2.6%34 × 10^3/μL14.9
1 to < 6 years4.7%22 × 10^3/μL9.6

Key Findings

  • 3.6% of pediatric encounters involved at least one platelet transfusion.
  • Transfusion rates were lowest in children younger than 1 year and highest in those aged 1 to < 6 years.
  • 67.8% of neonates received transfusions at platelet counts >25 × 10^3/μL.
  • Factors such as PAS and longer storage were linked to lower posttransfusion increments.
  • None of the donor or product characteristics affected hospital length of stay or in-hospital mortality.

Clinical Implications

Clinicians should be aware of the variability in platelet transfusion practices and consider both donor and product characteristics when making transfusion decisions. A more standardized approach may enhance the effectiveness of platelet transfusions in pediatric patients.

Conclusion

The findings underscore the importance of understanding the factors that influence pediatric platelet transfusion responses, advocating for a more tailored approach to transfusion practices.

Related Resources & Content

  1. JAMA Network Open, 2023 -- What Shapes Pediatric Platelet Response?
  2. Pediatric Cardiology — Impact of Aspirin Dosage on Pediatric Patients with Congenital and Acquired Heart Conditions: Findings from the PAED-M Study on Aspirin Efficacy and Monitoring Techniques
  3. Pediatric Cardiology — Markers of Platelet Activation in Pediatric Patients with Congenital Heart Disease-Related Pulmonary Arterial Hypertension
  4. Pediatric Cardiology — Evaluation of Aspirin Effectiveness in Pediatric Patients with Right Ventricular to Pulmonary Artery Conduits and Transcatheter Valve Replacement Devices
  5. Pediatric Cardiology — Evaluating Aspirin Use in Pediatric Patients: Exploring Dual Perspectives on Efficacy and Resistance
  6. Platelet Transfusion: 2025 AABB and ICTMG International Clinical Practice Guidelines
  7. Platelet transfusion in the preterm infant: Results of the PlaNet-2/MATISSE Study
  8. Transfusion outcomes and clinical safety of ABO-nonidentical platelets transfusion: A systematic review and meta-analysis - PubMed

Original Source(s)

What Shapes Pediatric Platelet Response?

  • by Jess Allerton

  • February 26, 2026

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