Cardiothoracic & vascular anesthesia

Effect of Dexmedetomidine on Endothelial Glycocalyx in Patients Undergoing Cardiac Surgery with Cardiopulmonary Bypass

J Cardiothorac Vasc AnesthPublished Randomised controlled trial

Authors' conclusion

Dexmedetomidine preserves endothelial glycocalyx integrity and attenuates systemic inflammation in CPB patients.

Study context

Population
Patients undergoing elective valvular cardiac surgery with cardiopulmonary bypass (CPB)
Participants
58 patients
Comparison
Dexmedetomidine vs saline infusion
  • Dexmedetomidinen = 29
  • Salinen = 29reference
Primary endpoint
Plasma syndecan-1 concentration
Methodological detailssingle-centre, June 2022 to December 2022
  • Single-centre
  • June 2022 to December 2022

Primary result

As reported in the abstract

Glycocalyx shedding
  • Significantly less glycocalyx shedding with dexmedetomidine vs controls, persisting throughout CPB and recovery

Secondary outcomes

TNF-α levels · T2-T3

Significantly lower with dexmedetomidine

Lactate levels · aortic unclamping

Reduced with dexmedetomidine

Original publication

Effect of Dexmedetomidine on Endothelial Glycocalyx in Patients Undergoing Cardiac Surgery with Cardiopulmonary Bypass. J Cardiothorac Vasc Anesth. Published 1 October 2025. doi:10.1053/j.jvca.2025.09.232

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