Relationship Between Urinary Angiotensinogen and Mortality in Patients with Heart Failure with Reduced Ejection Fraction.

BACKGROUND: Activation of the reninangi otens in-aldosterone system has an important role in the pathophysiology of heart failure with reduced ejection fraction. While the effects of systemic reninangi otens in-aldosterone system activation on heart failure with reduced ejection fraction are well known, the impact of the local reninangi otens in-aldosterone system on heart failure with reduced ejection fraction is not fully understood because of limited clinical research. This study aimed to investigate the effect of urinary angiotensinogen level, an accepted indicator of local reninangi otens in-aldosterone system activation, on all-cause mortality in patients with heart failure with reduced ejection fraction. METHODS: This retrospective, single-center study included 60 patients with baseline urinary angiotensinogen data and survival/mortality data at 4 years. Urinary angiotensinogen values were standardized to the urinary creatinine value measured from the same urine sample. The median urinary angio tensi nogen /urin ary creatinine value among all patients (114 µg/g) was used as a cutoff to divide the patients into 2 groups. Mortality data were obtained from the national registry systems or by telephone. RESULTS: Comparison of all-cause mortality in the 2 groups showed that 22 deaths (71%) occurred in the group with a urinary angio tensinogen/urinary creatinine ratio above the median and 10 deaths (35.5%) occurred in the group of patients with urinary angio tensinogen/urinary creatinine equal to or below the median value (P =.005). CONCLUSION: Our study suggests that urinary angiotensinogen can be used as a new biomarker in the prognosis and follow-up of heart failure patients.

Nucleated red blood cells as predictor of all-cause mortality in emergency department.

BACGROUND: Nucleated red blood cells (NRBCs) are immature erythrocytes that are not normally detected in the blood of healthy adults. The detection of these cells in peripheral blood is associated with increased mortality and poor prognosis. In this study, we aimed to investigate whether NRBCs predict for all causes of death in patients admitted to the emergency department (ED). METHOD: This study was conducted retrospectively between January 2019 and December 2019 in academic emergency department, faculty of medicine. We included all patients who died of non-traumatic causes and The control group consisted of patients discharged from the ED. NRBCs and other laboratory parameters were compared between the two groups. The primary outcome is all-cause mortality in the ED. Multivariate logistic analysis was performed. RESULTS: A total of 204 patients (119 male) were included in the study. The mean age of the patients was 66.7 ±â€¯14.6 years. NRBC value was higher in those who died (678.43 ±â€¯655.16/ µl) compared to the control group (22.55 ±â€¯57.86/ µl) (P < 0.001). According to receiver operating characteristic curve analysis (ROC) performed for the prediction all cause mortality in the ED, the best cut-off point for NRBC was >0 /µl (sensitivity 94,12%, specificity 82,35%, Area Under Curve (AUC) =0.97). In the multivariate logistic regression analysis, the NRBC was associated with all-cause mortality in the ED (odds ratio,OR = 1.020, confidence interval, CI = 1.012-1.028). CONCLUSiONS: High blood levels of nucleated red blood cells at admission to the emergency department may be associated with increased mortality.

The Role of Oxidative Stress and Inflammatory Mediators in Benign Paroxysmal Positional Vertigo.

OBJECTIVE: Benign paroxysmal positional vertigo (BPPV) is the most common peripheral cause of vertigo. It can be defined as transient vertigo induced by rapid changes in head position associated with a characteristic paroxysmal positional nystagmus. The aim of this study was to search for the possible role of oxidative stress and inflammatory mediators in the pathogenesis of BPPV. MATERIALS AND METHODS: Total antioxidant status as well as paraoxonase, tumor necrosis factor alpha, interleukin (IL) 6, and IL-1ß levels were evaluated in peripheral venous serum samples of 30 BPPV and 30 control patients. RESULTS: Total antioxidant status levels were lower in the BPPV group than in the control group (p=0.008). After Epley's repositioning maneuver in the vertigo group, there was a statistically significant decline in IL-1ß levels at the first and third month visits (p=0.014 for first month and p=0.013 for third month). CONCLUSION: Our findings suggested that IL-1ß and oxidative stress contributed to the pathogenesis of BPPV.