Safer Access With Fewer Transfusions: Revisiting Platelet Thresholds in Pediatric Central Venous Catheterization

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.