Hemodialysis international
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Acute kidney injury is commonly encountered in critically ill patients, and is associated with worse outcomes. Fluid therapy is a key component in the management of these patients, often leading to fluid overload, especially in the setting of septic acute kidney injury. ⋯ Management of such patients should include a strategy of early guided resuscitation, followed by careful assessment of fluid status, and early initiation of renal replacement therapy as soon as it is deemed safe, aiming for a neutral or negative fluid balance. This review will focus on the pathophysiological link between fluid overload and acute kidney injury, mechanisms of organ dysfunction in fluid overload, and strategies for management.
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Randomized Controlled Trial
Effects of L-carnitine supplement on serum inflammatory cytokines, C-reactive protein, lipoprotein (a), and oxidative stress in hemodialysis patients with Lp (a) hyperlipoproteinemia.
Inflammation, oxidative stress, and high concentration of serum lipoprotein (a) [Lp (a)] are common complications in hemodialysis patients. The present study was designed to investigate the effects of L-carnitine supplement on serum inflammatory cytokines, C-reactive protein (CRP), Lp (a), and oxidative stress in hemodialysis patients with Lp (a) hyperlipoproteinemia [hyper Lp (a)]. This was an unblinded, randomized clinical trial. ⋯ No significant changes were observed in serum free carnitine, CRP, and IL-6 in the control group. There were no significant differences between the two groups in mean changes of serum interleukin-1β, tumor necrosis factor-α, Lp (a), and oxidized low-density lipoprotein concentrations. L-carnitine supplement reduces inflammation in hemodialysis patients, but has no effect on hyper Lp (a) and oxidative stress.
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Comparative Study
Comparison of risk factors for contrast-induced acute kidney injury between patients with and without diabetes.
Although it is well known that diabetics are at a higher risk of contrast-induced acute kidney injury (CI-AKI) than nondiabetic patients, the reason for this discrepancy is not well known. Thus, in this study, we compared the predisposing factors for CI-AKI between patients with and without diabetes. We prospectively studied 290 consecutive in-hospital patients including 88 diabetics undergoing coronary angiography or a percutaneous coronary intervention in Kowsar hospital, and we compared risk factors for CI-AKI between diabetic and nondiabetic patients. ⋯ Multiple logistic regression analysis showed hyperchlosteremia to be the strongest predictor of AKI (P=0.01, B:14.5) in diabetics, followed by eGFR<90 (P=0.05, B:12.4) but, in nondiabetics, only eGFR<60 predicted the occurrence of CI-AKI (P=0.04, B:2.3). It seems that the predisposing factors to CI-AKI differ in diabetics and nondiabetics. In patients with diabetes, hypercholesterolemia is the strongest predictor of CI-AKI, followed by eGFR and diabetics are at risk for CI-AKI in the early stage of chronic kidney disease (stage 2), accounting for the higher incidence of CI-AKI in them.
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Despite the clinical importance of pulse-wave velocity (PWV), there are no standards for accurate carotid-radial pulse-wave measurement in uremic patients with respect to carotid-femoral measurement. We assessed the reproducibility of PWV values using the carotid-radial PWV measurement. We have measured the carotid-femoral PWV and carotid-radial PWV with an automated system (Pulse Pen, DiaTecne) using 2 different blind operators in 105 hemodialysis (HD) patients. ⋯ All of the measurements showed significant correlation coefficients, ranging from 0.94 to 0.98. The reproducibility of regional PWV values for 2 consecutive measurements from the same subject was also analyzed using Bland-Altman plots, with the reproducibility expressed as the mean difference and 2 standard deviations between the measurements obtained by the 2 operators during carotid-femoral and carotid-radial measurements. Carotid-radial PWV measurement provides an accurate analysis with a high reproducibility with respect to carotid-femoral PWV measurement, and it can be used for arterial stiffness analysis in hemodialysis patients.
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Few studies investigating the effects of automated peritoneal dialysis (APD) and continuous ambulatory peritoneal dialysis (CAPD) on health-related quality of life (HRQoL), depression, and sleep quality exist in the literature. We aimed to determine differences between APD and CAPD modalities with respect to these parameters. Twenty APD and 48 CAPD patients were included in this cross-sectional study. ⋯ Depression was detected in 70% of APD and 62.5% of the CAPD patients. The mean Beck Depression Inventory scores were also similar in the 2 groups. This study showed that HRQoL, sleep quality, and depression were similar in APD and CAPD patients.