Do non-fatal MACCE in the first 5-years post CABG affect 10-year outcomes?
Rocha RV, Yau TM, Chu A, Lee DS, Ouzounian M, Rao V. J Thorac Cardiovasc Surg. 2024; S0022-5223(24)00841-9. Epub 2024 Sep 25.
Acute kidney injury (AKI) is a common complication after cardiac surgery and is associated with worse outcomes. Since heart fatty acid binding protein (H-FABP) is a myocardial protein that detects cardiac injury, the researchers sought to determine whether plasma H-FABP was associated with AKI in the TRIBE-AKI cohort; a multi-center cohort of 1,219 patients at high risk for AKI who underwent cardiac surgery. The primary outcomes of interest were any AKI (Acute Kidney Injury Network (AKIN) stage 1 or higher) and severe AKI (AKIN stage 2 or higher). The secondary outcome was long-term mortality after discharge. Patients who developed AKI had higher levels of H-FABP pre- and postoperatively than patients who did not have AKI. In analyses adjusted for known AKI risk factors, first postoperative log(H-FABP) was associated with severe AKI (adjusted odds ratio (OR) 5.39 (95% confidence interval (CI), 2.87-10.11) per unit increase), while preoperative log(H-FABP) was associated with any AKI (2.07 (1.48-2.89)) and mortality (1.67 (1.17-2.37)). These relationships persisted after adjustment for change in serum creatinine (for first postoperative log(H-FABP)) and biomarkers of cardiac and kidney injury, including brain natriuretic peptide, cardiac troponin-I, interleukin-18, liver fatty acid binding protein, kidney injury molecule-1, and neutrophil gelatinase-associated lipocalin. Thus, perioperative plasma H-FABP levels may be used for risk stratification of AKI and mortality following cardiac surgery.
Schaub JA, Garg AX, Coca SG, Testani JM, Shlipak MG, Eikelboom J, Kavsak P, McArthur E, Shortt C, Whitlock R, Parikh CR. Kidney Int. 2015; 88(3):576-83. Epub 2015 Apr 1.
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