Cardiothoracic & vascular anesthesia

Methylprednisolone and Endothelial Dysfunction in Cardiac Surgery: A Pilot Randomized Trial

Acta Anaesthesiol ScandPublished Randomised controlled trial

Primary result · Maximal post-CPB FMDResult — go to the resultDifference 0.60 95% CI −1.5 to 2.7

Authors' conclusion

Methylprednisolone did not significantly affect CPB-associated endothelial dysfunction markers in elective cardiac surgery patients.

Study context

Population
Patients scheduled for elective cardiac surgery with cardiopulmonary bypass (CPB)
Participants
20 vs 20
Comparison
IV methylprednisolone vs placebo at anaesthesia induction
  • Methylprednisolonen = 20
  • Placebon = 20reference
Primary endpoint
Endothelial dysfunction, assessed by flow-mediated dilation (FMD) during a vascular occlusion test (maximal post-CPB FMD)
Methodological detailspilot, parallel-group, placebo-controlled, single-centre
  • Pilot
  • Parallel-group
  • Placebo-controlled
  • Single-centre

Primary result

Maximal post-CPB FMD

Difference

0.60

95% CI −1.5 to 2.7

P = 0.57

By group

Methylprednisolone vs Placebo
difference 0.60 (95% CI −1.5 to 2.7); P = 0.57

As reported in the abstract

Secondary outcomes

Median

OutcomeMethylprednisolonePlaceboDifference (95% CI)P value
FMD · POD 16.9% (IQR 3.6%–9.8%)8.1% (IQR 4.3%–11.6%)−1.0 (−3.6 to 1.6)P = 0.46

Other measurements (NIRS StO2 reperfusion slope, syndecan-1, variations over time)

No other significant differences between groups

Correlation between severity of flow-mediated dilation (FMD) alteration and syndecan-1 levels

Significant correlation (r = 0.21, p = 0.03)

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Methylprednisolone and Endothelial Dysfunction in Cardiac Surgery: A Pilot Randomized Trial. Acta Anaesthesiol Scand. Published August 2025. doi:10.1111/aas.70109

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