Cardiothoracic & vascular anesthesia

Effect of High-Dose Selenium on Postoperative Organ Dysfunction and Mortality in Cardiac Surgery Patients: The SUSTAIN CSX Randomized Clinical Trial

JAMA SurgPublished Randomised controlled trial

Authors' conclusion

In high-risk cardiac surgery patients, perioperative administration of high-dose intravenous sodium selenite did not reduce morbidity or mortality.

Study context

Population
Adult cardiac surgery patients with EuroSCORE II-predicted mortality ≥5% or planned combined procedures, 23 sites in Germany and Canada, 2015–2021analysed
Participants
1,416 patients
Comparison
Perioperative high-dose IV sodium selenite vs placebo
Primary endpoint
Composite of:
  • Days alive
  • Free from organ dysfunction
Follow-up
First 30 days after cardiac surgery
Methodological detailsmulticentre, double-blind, placebo-controlled
  • Multicentre
  • Double-blind
  • Placebo-controlled

Primary result

As reported in the abstract

P = 0.45

Further findings

OutcomeSeleniumPlaceboOR (95% CI)P value
30-day mortality4.2%5.0%0.82 (0.50–1.36)P = 0.44

Safety

Safety outcomes

Did not differ between the groups

Original publication

Effect of High-Dose Selenium on Postoperative Organ Dysfunction and Mortality in Cardiac Surgery Patients: The SUSTAIN CSX Randomized Clinical Trial. JAMA Surg. Published 1 March 2023. doi:10.1001/jamasurg.2022.6855

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