Effect of Selected Crystalloid and Colloid Solutions on Coagulation Status Evaluated by Rotational Thromboelastometry and Platelet Function Analyser: An in vitro Study.

INTRODUCTION

Crystalloid and colloid solutions commonly used in intensive and perioperative care can affect haemocoagulation status. This in vitro study assessed the impact of Plasma-Lyte, albunorm 5%, and Gelaspan 4% solutions on primary and secondary haemostasis using rotational thromboelastometry and platelet function analyser.

METHODS

In this prospective study, we examined blood samples from 20 healthy volunteers using rotational thromboelastometry and platelet function analyser. Simultaneously, we analysed the blood samples subjected to 10% dilution using Plasma-Lyte, albunorm 5%, and Gelaspan 4% solutions.

RESULTS

Compared to controls, Plasma-Lyte shortened EXTEM-CT ( = 0.005) and reduced FIBTEM-MCF ( = 0.017). albunorm 5% prolonged EXTEM-CFT ( = 0.001), decreased EXTEM-alpha ( < 0.001) and MCF in EXTEM, INTEM, and FIBTEM tests ( < 0.001, = 0.038, = 0.001, respectively), along with MCE in the PLTEM test ( < 0.001). Gelaspan 4% also prolonged EXTEM-CFT ( < 0.001), decreased EXTEM-alpha ( < 0.001) and MCF in EXTEM, INTEM, and FIBTEM tests ( < 0.001, < 0.001, = 0.009, respectively), along with MCE in the PLTEM test ( < 0.001). Gelaspan 4% also reduced EXTEM-CT ( = 0.021). All solution prolonged CT in PFA Col/ADP ( = 0.003 for Plasma-Lyte, < 0.001 for albunorm and Gelaspan) and albunorm 5% also prolonged CT in Col/Epi ( = 0.003).

CONCLUSION

Plasma-Lyte had the least effect on secondary haemostasis, whereas albunorm 5% had the least effect among colloids. Gelaspan 4% adversely affected the propagation phase of coagulation, maximal strength and elasticity of the coagulum, and the level of functional fibrinogen. All solutions adversely affected platelet function in primary haemostasis, with Plasma-Lyte showing the least effect.