Aim: The current data have proven the pivotal role of inflammation in the development of atherosclerosis and cardiovascular diseases in patients with chronic kidney disease (CKD). Neutrophil to lymphocyte (N/L) ratio has increasingly been reported as a measure of systemic inflammation. This study assessed N/L ratio and investigated its associations with standard inflammatory biomarkers in different stages of CKD patients. Material and methods: This cross-sectional study included 30 predialysis, 40 hemodialysis, 35 peritoneal dialysis patients, and 30 healthy subjects. N/L ratio and important clinical and laboratory parameters were registered. Multivariate regression analyses were carried out to investigate the relations of N/L ratio. Results: N/L ratio was significantly higher in each patient group compared to the healthy subjects (for all, p < 0.001). It was positively correlated with interleukin-6 (IL-6) (r ¼ 0.393, p < 0.001) and high-sensitivity C-reactive protein (hs-CRP) (r ¼ 0.264, p ¼ 0.002) levels and negatively correlated with hemoglobin (r ¼ À0.271, p ¼ 0.001), serum albumin (r ¼ À0.400, p < 0.001), and high-density lipoprotein (HDL) cholesterol levels (r ¼ À0.302, p < 0.001). In CKD patients with hypertension (HT), higher N/L ratio was detected when compared to those without HT (p ¼ 0.006). Having CKD, the presence of HT, serum albumin, HDL-cholesterol, IL-6, and hs-CRP levels were found to be independent predictors of the ratio after adjusting for significant covariates (p < 0.001). Conclusion: An easy and inexpensive laboratory measure of N/L ratio might provide significant information regarding inflammation in CKD including predialysis and dialysis patients.
We assume that decreasing uric acid levels with allopurinol treatment seems to be helpful in restoring endothelial functions, preventing metabolic acidosis and slowing down the progression of CKD.
Hypertension, non-dipper blood pressure (BP) pattern and decrease in daily urine output have been associated with left ventricular hypertrophy (LVH) in peritoneal dialysis (PD) patients. However, there is lack of data regarding the impact of different PD regimens on these factors. We aimed to investigate the impact of circadian rhythm of BP on LVH in end-stage renal disease patients using automated peritoneal dialysis (APD) or continuous ambulatory peritoneal dialysis (CAPD) modalities. Twenty APD (7 men, 13 women) and 28 CAPD (16 men, 12 women) patients were included into the study. 24-h ambulatory blood pressure monitoring (ABPM) and transthoracic echocardiography besides routine blood examinations were performed. Two groups were compared with each other for ABPM measurements, BP loads, dipping patterns, left ventricular mass index (LVMI) and daily urine output. Mean systolic and diastolic BP measurements, BP loads, LVMI, residual renal function (RRF) and percentage of non-dippers were found to be similar for the two groups. There were positive correlations of LVMI with BP measurements and BP loads. LVMI was found to be significantly higher in diastolic non-dippers compared to dippers (140.4 ± 35.3 vs 114.5 ± 29.7, respectively, P = 0.02). RRF and BP were found to be independent predictors of LVMI. Non-dipping BP pattern was a frequent finding among all PD patients without an inter-group difference. Additionally, higher BP measurements, decrease in daily urine output and non-dipper diastolic BP pattern were associated with LVMI. In order to avoid LVH, besides correction of anemia and volume control, circadian BP variability and diastolic dipping should also be taken into consideration in PD patients.
Idiopathic hypoparathyroidism is an uncommon disease caused by insufficient secretion of parathyroid hormone. Idiopathic hypoparathyroidism may cause various musculoskeletal findings, including diffuse ligamentous and entheseal ossifications. Diffuse idiopathic skeletal hyperostosis is a disorder of the elderly characterized by ossification of the anterior longitudinal ligament of the spine and various extraspinal ligaments. We present a 50-year-old man with idiopathic hypoparathyroidism who had been diagnosed as having DISH at 40 years of age. Resistant neck, left shoulder, and left hip pain did not improve with calcium and calcitriol treatment after diagnosis of idiopathic hypoparathyroidism.
We want to underline that, besides maintaining residual renal function, strict blood pressure control, particularly diastolic blood pressure, and avoiding hypervolemia and abdominal obesity should be main clinical goals in follow-up of PD patients in order to prevent LVH progression.
We have demonstrated a significant relationship between FM and nondipping BP pattern, and we suggest that nondipping profile, which has been closely associated with cardiovascular morbidity, may appear as an additional risk factor in patients with FM.
YKL-40 has been introduced as a marker of inflammation in different clinical situations. The association between YKL-40 and inflammation in chronic renal failure patients has not been researched currently. The objectives of this study were to establish serum YKL-40 concentrations in dialysis patients with chronic renal failure compared to healthy subjects and to explore its relationships with a proinflammatory cytokine, interleukine-6 (IL-6) and an acute phase mediator, high sensitivity C-reactive protein (hs-CRP). The study population included hemodialysis patients (N = 43; mean age of 40.9 ± 14.5), peritoneal dialysis patients (N = 38; mean age of 45.8 ± 13.7) and healthy subjects (N = 37; mean age of 45.5 ± 10.6). Serum concentrations of YKL-40, IL-6, hs-CRP and routine laboratory measures were evaluated. Compared to the healthy subjects, hemodialysis and peritoneal dialysis patients had higher concentrations of YKL-40, IL-6, hs-CRP, as well as lower concentrations of hemoglobin, serum albumin and high density lipoprotein-cholesterol (P < 0.001). YKL-40 concentrations were positively correlated with serum creatinine (P < 0.001, r = 0.495), IL-6 (P < 0.001, r = 0.306), hs-CRP (P = 0.001, r = 0.306) levels and inversely correlated with hemoglobin (P = 0.002, r = -0.285), serum albumin (P < 0.001, r = -0.355) and high density lipoprotein-cholesterol (P = 0.001, r = -0.306). In multivariate regression analysis YKL-40 was associated with creatinine, serum albumin and hs-CRP concentrations after adjustments with covariates. Dialysis patients with chronic renal failure have elevated serum YKL-40 concentrations. Associations with standard inflammatory parameters suggest that YKL-40 might be a novel inflammatory marker in this population.
Acute kidney injury (AKI) is rarely reported in the clinical course of H1N1 infection and this condition is strongly related with increasing of mortality risk. However, there are no sufficient data about the development of AKI due to H1N1 infections. The recent reports were documented for elevation of creatinine phosphokinase levels in the course of influenza infection, but rhabdomyolysis was rarely reported. Herein, we present a 28-year-old female patient and a 19-year-old male patient with AKI in the course of H1N1 influenza infection due to rhabdomyolysis.
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