期刊
BMC NEPHROLOGY
卷 22, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12882-021-02322-0
关键词
Biomarkers; Cardiac anaesthesia; Cardiac surgery; Risk prediction; Acute kidney injury
资金
- Danish National Research Foundation [126]
- Heart Center's Research Committee at Rigshospitalet
- Arvid Nilsson's Foundation
This study found that increasing levels of suPAR, but not hsCRP, were associated with the development and severity of AKI following on-pump cardiac surgery.
BackgroundAcute kidney injury (AKI) represents a serious complication following cardiac surgery. Adverse outcome after cardiac surgery has been observed in the presence of elevated levels of soluble urokinase-type plasminogen activator receptor (suPAR) and high-sensitivity C-Reactive Protein (hsCRP). The aim of study was (i) to investigate the relationship between preoperative elevated levels of suPAR and hsCRP and postoperative AKI in unselected cardiac surgery patients and (ii) to assess whether the concentration of the biomarkers reflected severity of AKI.MethodsIn a retrospective observational study, biobank blood plasma samples (n=924) from patients admitted for elective on-pump cardiac surgery were analysed for suPAR and hsCRP levels. The relation between suPAR and hsCRP-values and AKI (any stage), defined by the KDIGO (Kidney Disease: Improving Global Outcomes) criteria, was assessed using adjusted logistic regression. Further, the association between biomarkers and severity (KDIGO 1, KDIGO 2-3 and renal replacement therapy (RRT)) was assessed using adjusted logistic regression.ResultsPostoperative AKI (any stage) was observed in 327 patients (35.4%). A doubling of preoperative suPAR corresponded to an adjusted odds ratio (OR) for postoperative AKI (any stage) of 1.62 (95% CI 1.26-2.09, p<0.001). Furthermore, a doubling of suPAR had an adjusted OR of 1.50 (95% CI 1.16-1.93, p=0.002), 2.44 (95% CI 1.56-3.82, p<0.001) and 1.92 (95% CI 1.15-3.23, p=0.002), for KDIGO 1, KDIGO 2-3 and need for RRT, respectively. No significant association was found between elevated levels of hsCRP and any degree of AKI.ConclusionsIncreasing levels of suPAR, but not hsCRP, were associated with development and severity of AKI following on-pump cardiac surgery.
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