Abstract
AimThe aim of the present study was to assess the significance of total testosterone (T) as a marker of acute kidney injury (AKI) in patients with acute myocardial infarction (MI).Patients and methodsThe study was a retrospective, single-center cohort study that included 55 consecutive male patients diagnosed with acute MI who were admitted to the Cardiology Clinic of Alexandrovska University Hospital (Sofia, Bulgaria) between July 2011 and December 2013. The plasma total T levels, measured at admission, the peak levels of myocardial necrosis markers, high-sensitive C-reactive protein (hsCRP), and the left ventricular ejection fraction (LVEF) were analyzed in relation to the incidence of AKI.ResultsThe occurrence of AKI was positively predicted by reduced EF (OR=0.825; CI=0.724-0.942; P=0.004), advanced age (OR=1.077; CI=1.038-1.151; P=0.029), and low levels of total T (OR=0.837; CI=0.707-0.990; P=0.037). Reduced systolic function (OR=0.861; 95% CI=0.758-0.978; P=0.022 for EF) and marginally age (OR=1.094; 95% CI=1.000-1.197; P=0.051) contributed to the incidence of AKI in a multivariate model. Total T was not an independent factor (OR=0.841; 95% CI=0.669-1.058; P=0.139) for AKI. The total T levels were significantly inversely correlated with the peak of hsCRP (r= -0.153; P=0.009) and showed a tendency to inverse relation with the SYNTAX score (r= -0.235; P=0.083).ConclusionThe total T levels are significantly inversely related to the peak of hsCRP and as a tendency to the SYNTAX score in male patients with acute MI. A low level of plasma total T is not an independent marker of AKI in acute MI. Advanced age and low EF are independent factors for AKI discrimination in a small cohort of patients with acute MI.
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