Biomarkers, Cardiac Surgical Procedures, Thoracic Surgery
Conditions
Brief summary
This study aims to investigate whether preoperative soluble urokinase plasminogen activating receptor (suPAR) and High-sensitivity C-Reactive Protein (hsCRP) are independent markers of death after cardiac surgery. Further, to assess whether suPAR and hsCRP provides increased predictive accuracy of the clinical risk model EuroSCORE II. The purpose of the study is to gain knowledge on whether these inflammatory biomarkers might be able to reveal a pro-inflammatory disease state that represents a significant risk in patients undergoing cardiovascular surgery. Hence, these biomarkers may assist clinicians in selecting compassionate treatment for high risk patients.
Interventions
Analysis will be performed using commercially available analyses (suPARnostic® kit (validated to measure suPAR concentrations between 0.6 and 22 ng/mL) (ViroGates)). HsCRP will be measured by high sensitivity CRP assays (Tina-quant hs-CRP latex assay (validated to measure CRP concentrations between 0.3 - 20 mg/L) (Roche/Hitachi)). In patients with CRP\>20 mg/L a regular CRP-measurement will be performed.
Sponsors
Study design
Eligibility
Inclusion criteria
* Planned elective on-pump cardiac surgery (isolated coronary artery bypass graft (CABG), single and multiple valvular procedures, combined CABG and valvular surgery, and others) * Given informed consent on delivering a blood sample for the biobank.
Exclusion criteria
* Peroperatively cancelling the surgery * Sudden change to off-pump coronary artery bypass (OPCAB) surgery * Death prior to surgery * Project blood samples not available.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Association of preoperative suPAR values in relation to the censored time-to-event outcome death from any cause | from index surgery to censoring date 12.31.2018 |
Secondary
| Measure | Time frame |
|---|---|
| Association of preoperative hsCRP values in relation to the censored time-to-event outcome death from any cause | from index surgery to censoring date 12.31.2018 |
| Assess whether adding suPAR, hsCRP or combined suPAR+hsCRP measurements improves predictive accuracy of EuroSCORE II | from index surgery to 30 days postoperative |
| Sensitivity of the models; EuroSCORE II, suPAR, hsCRP, suPAR+hsCRP, EuroSCOREII+suPAR, EuroSCOREII+hsCRP and EuroSCOREII+suPAR+hsCRP in relation to the time-to-event outcome death from any cause | from index surgery to 30 days postoperative |
| Specificity of the models; EuroSCORE II, suPAR, hsCRP, suPAR+hsCRP, EuroSCOREII+suPAR, EuroSCOREII+hsCRP and EuroSCOREII+suPAR+hsCRP in relation to the time-to-event outcome death from any cause | from index surgery to 30 days postoperative |
Other
| Measure | Time frame |
|---|---|
| 30 days mortality measured by a yes/no question of all-cause mortality | from index surgery to 30 days |
| 1-year mortality measured by a yes/no question of all-cause mortality | from index surgery to 1 year |
Countries
Denmark