19 research outputs found

    Serum leptin level has a positive correlation with BMI and creatinine clearance in CAPD patients

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    Objective: In a cross sectional study, 75 patients (42 males and 33 females) on continuous ambulatory peritoneal dialysis (CAPD) were enrolled from October 2007 to February 2008. Serum levels of leptin, albumin, triglyceride, dialysis adequacy (total KTN), renal creatinine clearance (Cr Cl), mid arm circumference and demographic findings were measured in all patients. Results: The mean age of patients was 53+/-14.76. The history of hemodialysis was seen in 23 patients. Mean serum leptin level in women and men were 27+/-23 mu g/l and 16+/-13 mu g/l, respectively. A significant correlation of serum leptin level with body mass index (BMI) (p0.05). Conclusions: To our knowledge, this is probably the first study to report that serum leptin level has a direct positive correlation with renal Cr Cl in CAPD patients. This may explain the increase in mortality in patients with lower serum leptin levels (Tab. 2, Fig. 2, Ref. 25). Full Text in PDF www.elis.sk

    Effect of Allopurinol in Decreasing Proteinuria in Type 2 Diabetic Patients

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    Introduction. Diabetic nephropathy is the most prevalent cause of end-stage renal disease. Besides factors such as angiotensin II, cytokines, and vascular endothelial growth factor, uric acid may play a role as the underlying cause of diabetic nephropathy. We evaluated allopurinol effects on proteinuria in diabetic patients with nephropathy. Materials and Methods. In a double-blinded randomized controlled trial on 40 patients with type 2 diabetes mellitus and diabetic nephropathy (proteinuria, at least 500 mg/24 h and a serum creatinine level less than 3 mg/dL), allopurinol (100 mg/d) was compared with placebo. Administration of antihypertensive and renoprotective drugs (angiotensin-converting enzyme inhibitors and angiotensin receptor blockers continued for both groups, without changes in dosage. Proteinuria was compared at baseline and 2 and 4 months between the two groups. Results. Each group consisted of 9 men and 11 women. There were no difference between two groups regarding age, body mass index, duration of diabetes mellitus, systolic and diastolic blood pressure, fasting blood glucose, blood urea nitrogen, serum creatinine, serum potassium, and urine volume. Serum levels of uric acid (P = .02) and 24-hour urine protein (P = .049) were significantly lower in the patients on allopurinol, after 4 months of receiving allopurinol, compared with the control group. Conclusions. Low-dose allopurinol can reduce severity of proteinuria after 4 months of drug administration, which is probably due to decreasing the serum level of uric acid. Thus, allopurinol can be administered as an adjuvant cost-effective therapy for patients with diabetic nephropathy

    Allopourinol effect on reducing proteinuria in diabetic retinopathy

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    Background: Diabetic nephropathy is the most prevalent cause of end stage renal disease (ESRD). Besides, factors such as angiotensin-II, cytokines, and vascular endothelial growth factor (VEGF), uric acid may play a role as the underlying cause of diabetic nephropathy. Therefore, decreasing serum level of uric acid can be effective in treatment of diabetic nephropathy. Methods: This was a double-blinded, randomized, clinical trial in which 40 patients with type 2 diabetes mellitus (DM) and diabetic nephropathy with proteinuria (at least 500 mg/24h) and serum creatinine (Cr) level 0.05). Serum level of uric acid and 24 hour urine protein were significantly lower in control group, after four months of receiving allopurinol, compared with control group (P < 0.05). Conclusion: Low dose allopurinol (100mg/day) reduces severity of proteinuria after four months of taking, which is probably due to decreasing the serum level of uric acid. So, allopurinol can be administered as an adjuvant, cheap, and low side-effect therapy for patients with diabetic nephropathy

    The relationship of high-sensitivity C-reactive protein (Hs-CRP) serum level and peritonitis in patients on peritoneal dialysis

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    Background: C-reactive protein (CRP) is a predictor of cardiovascular diseases in both normal people and patients on hemodialysis. This study aimed to assess the relationship of high-sensitivity C-reactive protein (Hs-CRP) serum level and peritonitis in patients on peritoneal dialysis. Methods: 113 patients on peritoneal dialysis in Isfahan city, Iran, participated in our study in 2015. Serum albumin and Hs-CRP levels were measured in each patient at three times (baseline, and 6 and 12 month after that) and the patients were followed up for 1 year. All the patients were evaluated for peritonitis in every visit. At the end of the study, two groups of patients on peritoneal dialysis with and without peritonitis were compared. Findings: Among 113 patients, 24 were excluded from the study because of death or kidney transplantation and 89 patients were included in final analysis. The mean Hs-CRP levels in patients with peritonitis were 4.83, 5.79, and 7.42 mg/l at baseline, and 6 and 12 month after it, respectively; these levels were 4.47, 3.19, and 2.69 mg/l in patients without peritonitis, respectively. In addition, the mean albumin levels in patient with peritonitis were 3.38, 3.29 and 3.40 mg/l at baseline, and 6 and 12 month after it, respectively; these values were 3.56, 4.05, and 3.51 mg/l in patients without peritonitis, respectively. Conclusion: Results showed that with increase in Hs-CRP level, the risk of peritonitis increased. Besides, the albumin level decreased among patients with peritonitis in comparison with patients without peritonitis; there was no significant correlation between albumin level and peritonitis. © 2017, Isfahan University of Medical Sciences(IUMS). All rights reserved

    Quality of Life of Patients on Peritoneal Dialysis and Contributing Factors: A Cross-Sectional Study

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    In recent years, interest in Health-Related Quality of Life (HRQoL) as a major indicator of clinical efficacy and treatment outcome in patients of End-Stage Renal Disease (ESRD) has grown significantly. This study aimed to determine the contributing factors affecting the quality of life (QoL) of ESRD patients undergoing peritoneal dialysis (PD). A cross-sectional study was conducted on PD patients presented at PD centres of Al-Zahra and Noor hospitals in Isfahan, Iran, from May to August 2019. A total of 173 patients having peritoneal dialysis for more than 3 months filled the validated 36-item short-form health survey questionnaire (SF-36). Baseline demographic details and dialysis-related factors were collected from patients’ medical records. The overall QoL score of patients was 50.28 ± 20.87. Male patients had a higher QoL score than female patients (58.18 in males, compared to 48.18 in females; P = 0.04). A significant association between frequency of dialysis and quality of life was observed, where three sessions of dialysis per day yielded the highest quality of life (QoL score = 59.62; P = 0.047). A significant positive correlation was discovered between QoL score and residual renal function (P = 0.013). In addition, a higher QoL score was observed in self-employed patients (60.95), compared to housewives (46.49) (P = 0.001). QoL assessment should be included as an integral part of patient follow-up to evaluate treatment outcomes and implement possible interventions to improve patient’s quality of life

    Relationship between trajectories of serum albumin levels and technique failure according to diabetic status in peritoneal dialysis patients: A joint modeling approach

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    Background: In peritoneal dialysis, technique failure is an important metric to be considered. This study was performed in order to identify the relationship between trajectories of serum albumin levels and peritoneal dialysis technique failure on end-stage renal disease patients according to diabetic status. Furthermore, this study was performed to reveal predictors of serum albumin and technique failure simultaneously. Methods: This retrospective cohort study included 300 (189 non-diabetic and 111 diabetic) end-stage renal disease patients on continuous ambulatory peritoneal dialysis treated in Al-Zahra Hospital, Isfahan, Iran, from May 2005 to March 2015. Bayesian joint modeling was carried out in order to determine the relationship between trajectories of serum albumin levels and peritoneal dialysis technique failure in the patients according to diabetic status. Death from all causes was considered as a competing risk. Results: Using joint modeling approach, a relationship between trajectories of serum albumin with hazard of transfer to hemodialysis was estimated as −0.720 (95% confidence interval [CI], −0.971 to −0.472) for diabetic and −0.784 (95% CI, −0.963 to −0.587) for non-diabetic patients. From our findings it was showed that predictors of low serum albumin over time were time on peritoneal dialysis for diabetic patients and increase in age and time on peritoneal dialysis, history of previous hemodialysis, and lower body mass index in non-diabetic patients. Conclusion: The results of current study showed that controlling serum albumin over time in non-diabetic and diabetic patients undergoing continuous ambulatory peritoneal dialysis treatment can decrease risk of adverse outcomes during the peritoneal dialysis period

    Relationship between trajectories of serum albumin levels and technique failure according to diabetic status in peritoneal dialysis patients: A joint modeling approach

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    Background: In peritoneal dialysis, technique failure is an important metric to be considered. This study was performed in order to identify the relationship between trajectories of serum albumin levels and peritoneal dialysis technique failure on end-stage renal disease patients according to diabetic status. Furthermore, this study was performed to reveal predictors of serum albumin and technique failure simultaneously. Methods: This retrospective cohort study included 300 (189 non-diabetic and 111 diabetic) end-stage renal disease patients on continuous ambulatory peritoneal dialysis treated in Al-Zahra Hospital, Isfahan, Iran, from May 2005 to March 2015. Bayesian joint modeling was carried out in order to determine the relationship between trajectories of serum albumin levels and peritoneal dialysis technique failure in the patients according to diabetic status. Death from all causes was considered as a competing risk. Results: Using joint modeling approach, a relationship between trajectories of serum albumin with hazard of transfer to hemodialysis was estimated as −0.720 (95% confidence interval [CI], −0.971 to −0.472) for diabetic and −0.784 (95% CI, −0.963 to −0.587) for non-diabetic patients. From our findings it was showed that predictors of low serum albumin over time were time on peritoneal dialysis for diabetic patients and increase in age and time on peritoneal dialysis, history of previous hemodialysis, and lower body mass index in non-diabetic patients. Conclusion: The results of current study showed that controlling serum albumin over time in non-diabetic and diabetic patients undergoing continuous ambulatory peritoneal dialysis treatment can decrease risk of adverse outcomes during the peritoneal dialysis period

    The effect of oral vitamin D on serum level of N-terminal pro-B-type natriuretic peptide

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    Background: The risk of cardiovascular disease in dialysis patients is higher than the general population. Vitamin D receptors exist in myocardium inhibit cardiac hypertrophy. N-terminal pro-B-type natriuretic peptide (NT-pro-BNP) is a neurohormone secreted by the heart in response to ventricular mass increase. This study aimed to evaluate the effect of oral vitamin D on serum level of pro-B-type natriuretic peptide (pro-BNP) in peritoneal dialysis patients. Materials and Methods: In a randomized clinical trial, 84 peritoneal dialysis patients (49 males and 35 females) were randomly divided into two groups. The intervention group received 50000 units oral vitamin D per week, for 12 weeks if 25-hydroxy-vitamin D level was <10 ng/ml and for 8 weeks if it was between 10 ng/ml and 30 ng/ml. The control group received placebo. Parathyroid hormone, calcium, phosphor, 25-hydroxy-vitamin D, albumin and NT-pro-BNP were evaluated before and after the study. Results: The mean serum level of pro-BNP in patients receiving vitamin D and placebo group before the study was 875 pg/ml and 793 pg/ml, respectively. There was 895.9 pg/ml in the intervention group and 736.7 pg/ml in the control group (P = 0.7). Mean serum level of 25(OH) D in patients receiving oral vitamin D and placebo group before the study was 16.9 ng/ml and 31.9 ng/ml, respectively. There was 28.9 ng/ml in the intervention group and 12.9 ng/ml in the control group (P = 0.001). There were no significant differences regarding other indices (Alb, P, Ca, intact parathyroid hormone) between two groups. Conclusion: Vitamin D did not significantly change the serum level of pro-BNP in peritoneal dialysis patients

    Effect of selenium supplementation on lipid profile, Anemia, and inflammation indices in Hemodialysis Patients

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    Objective: Trace elements deficiency is common among end-stage renal disease (ESRD) patients due to excessive loss during dialysis and the lower intake secondary to loss of appetite. Selenium (Se) is a trace element that plays an important role in the radical scavenging system and helps the body defend against oxidative stress. This study aims to evaluate the effects of Se supplementation on lipid profile, anemia, and inflammation indices in ESRD patients. Methods: Fifty-nine hemodialysis patients enrolled and were randomly divided into two groups. Two hundred microgram Se capsules once daily for the case group and matching placebo for the control group were administered for three months. Demographic data were collected at the study beginning. Uric acid (UA), anemia and inflammation indices, and lipid profiles were recorded at the beginning and the end of the study. Findings: UA and UA-to-HDL (high-density lipoprotein) ratio decreased significantly in the case group (P < 0.001). The changes in lipid profile were not significant among both groups. Hemoglobin slightly increased in the case group, however, it decreased significantly in the control group (P = 0.031). High-sensitivity C-reactive protein (hs-CRP) decreased in the case group and increased in the control group, however, none of these changes were significant. Conclusion: According to the results of this study, selenium supplementation in ESRD patients could reduce some risk factors related to their mortality, such as the ratio of uric acid to HDL. However, the changes related to lipid profile, hemoglobin level and hs-CRP biomarker were not significant

    Dietary and sleep quality association in hemodialysis patients

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    Background: Poor sleep quality is a common issue among patients with end-stage renal disease (ESRD) who undergo dialysis. Nutritional habits are associated with sleep hygiene in patients undergoing dialysis. The objective of this study was to examine the potential correlation between nutritional status and sleep quality in individuals receiving hemodialysis treatment. Materials and Methods: This cross-sectional study included 160 hemodialysis patients. A food frequency questionnaire (FFQ) was used to measure food intake in participants. The Persian-validated version of the Pittsburgh Sleep Quality Index (PSQI) was used to assess sleep quality. Patients were classified as poor or good sleepers with a PSQI score of 5, respectively. Results: Eighty-four percent of hemodialysis patients had bad sleep hygiene. There was a significant association between sleep quality and educational status and age (P 0.05). Conclusion: The results of this study suggest that sleep quality has no significant relationship with nutrient intake in hemodialysis patients. Demographic factors, such as age and educational status, have played a more effective role than nutritional factors in patients' sleep quality
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