Performance of Thromboelastography 6s Difference in Reaction Time Between Heparinase-Free and Heparinase-Containing Channel for Detecting Subtherapeutic Unfractionated Heparin Anticoagulation in a Pediatric Cardiac ICU

ΔR showed a moderate correlation with anti-Xa and high discriminative performance in identifying subtherapeutic anticoagulation, thus supporting its use as a surrogate marker for heparin monitoring in PCICUs. However, further external validation and outcome-based studies are needed to confirm these findings.