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Routine Screening Method for Microparticles in Platelet Transfusions
Published on: January 31, 2018
Safer Access With Fewer Transfusions: Revisiting Platelet Thresholds in Pediatric Central Venous Catheterization
Alessandro Raffaele1,2, Carlo Maria Ferlini1, Marta Gazzaneo1
1Pediatric Surgery Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
Insights
Lowering the platelet transfusion threshold to 30 × 109/L is safe for pediatric central venous catheter insertion. This approach may reduce transfusion needs and associated risks in pediatric oncology patients.
Area of Science:
- Pediatric Hematology-Oncology
- Vascular Access Devices
- Transfusion Medicine
Background:
- Central venous catheters (CVCs) are crucial for pediatric hematology-oncology patients.
- Current guidelines recommend platelet transfusions below 40-50 × 109/L, but evidence is limited, and transfusions carry risks and costs.
- Advances in procedural safety may allow for lower transfusion thresholds.
Purpose of the Study:
- To evaluate the safety of a lower platelet transfusion threshold (30 × 109/L) for pediatric patients undergoing CVC insertion.
- To compare complication rates between different platelet count strata.
Main Methods:
- Retrospective observational cohort study of 274 pediatric patients.
- Patients undergoing CVC insertion (PICC, CICC, FICC) were stratified by platelet count (50 × 109/L and 30 × 109/L thresholds).
- Postoperative bleeding and thrombosis complications were analyzed; all procedures used pediatric-specific bundles and simulation-based ultrasound-guided training.
Main Results:
- No significant difference in complication rates was observed when comparing platelet counts above or below 50 × 109/L (32.8% vs. 26.3%) or 30 × 109/L (32.6% vs. 27.1%).
- Findings suggest that a platelet transfusion threshold of 30 × 109/L is safe for CVC insertion.
- Low complication rates may be attributed to procedural bundles and simulation-based training.
Conclusions:
- A 30 × 109/L platelet transfusion threshold is likely safe for pediatric CVC insertion.
- Procedural bundles and simulation-based training can potentially decrease transfusion requirements, risks, and costs.
- Further prospective multicenter studies are needed to confirm safety and investigate even lower thresholds.
Background:
Central venous catheters (CVCs) are essential in pediatric hematology-oncology, for the administration of chemotherapy and supportive therapy. Thrombocytopenia increases the risk of bleeding and current guidelines recommend prophylactic platelet transfusions below 40-50 × 109/L, though evidence is limited and transfusions entail risks and costs. Advances in procedural bundles and simulation-based training may enhance safety, enabling lower thresholds.
Methods:
This retrospective observational cohort study analyzed 274 pediatric patients undergoing CVC insertion (PICC, CICC, and FICC) at a tertiary center (2020-2023). Patients were stratified by platelet count using 50 × 109/L and 30 × 109/L thresholds. Postoperative complications, including bleeding and thrombosis, were compared between groups. All procedures employed pediatric-specific bundles, and operators received simulation-based ultrasound-guided PICC training to optimize safety.
Results:
Complication rates did not differ significantly with platelets above or below 50 × 109/L (32.8% vs. 26.3%, p = 0.29) or 30 × 109/L (32.6% vs. 27.1%, p = 0.29). Findings indicate lowering the transfusion threshold to 30 × 109/L is safe. Bundles and simulation-based training likely contributed to low complication rates.
Conclusions:
A 30 × 109/L platelet transfusion threshold appears safe for pediatric CVC insertion. Emphasizing procedural bundles and simulation-based operator training may reduce transfusion needs, associated risks, and costs. Prospective multicenter studies are warranted to confirm safety and explore lower thresholds.
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