Selenoprotein P-1 (SEPP1) as an Early Biomarker of Myocardial Injury in Patients Undergoing Cardiopulmonary Bypass

Area of Science:

• Cardiology
• Biomarker Research
• Cardiac Surgery

Background:

• Perioperative myocardial disease prediction is vital for advancing cardiac surgery treatment.
• Developing reliable biomarkers for prognostication and prediction is crucial.
• Selenoprotein 1 (SEPP1) is explored as a potential biomarker for myocardial injury.

Purpose of the Study:

• To investigate the role of circulating SEPP1 as a biomarker for myocardial injury risk after cardiac surgery.
• To assess the correlation of SEPP1 levels with established cardiac injury markers.

Main Methods:

• Prospective monocentric study involving 45 cardiac surgery patients.
• Circulating SEPP1 levels measured via ELISA before and at 4, 8, and 12 hours after cardiopulmonary bypass (CPB).
• Correlation analysis with creatine kinase-MB (CK-MB), high-sensitivity cardiac troponin (Hs-c troponin), CPB time, and cross-clamp time.

Main Results:

• SEPP1 levels at 4 hours post-surgery strongly correlated with CK-MB at 48 and 72 hours.
• Significant correlations were observed between 4-hour SEPP1 and Hs-c troponin at 24, 48, and 72 hours.
• SEPP1 levels also correlated with cardiopulmonary bypass and cross-clamp durations.

Conclusions:

• Early SEPP1 measurement post-cardiac surgery shows promise for identifying patients at risk of myocardial injury.
• SEPP1 may serve as an early predictive biomarker in the perioperative setting.
• Further research can validate SEPP1's role in managing cardiac surgery patients.