Background: Autosomal dominant polycystic kidney disease (ADPKD) is a monogenic disorder and is a common genetic cause of chronic renal failure in children and adults. The enzyme renin plays a key role in the RAAS cascade and an important role in the development of hypertension and progression of renal disease in ADPKD. The present study is aimed to investigate the potential modifier effect of REN gene polymorphisms on the progression of chronic kidney disease (CKD) in ADPKD. Methods: We analyzed 102 ADPKD patients and 106 healthy controls from the same geographic area. FRET-based KASPar single-nucleotide polymorphism (SNP) genotyping assays for REN gene tag-SNPs (rs2887284, rs2368564, rs1464816, rs7521667, rs10900555, rs6693954, rs6676670 and rs11571078) were performed. Cochran-Armitage trend test was used to assess the potential associations between these polymorphisms and CKD stages. Haplotype frequencies and LD measures were estimated by using the software Haploview. Mantel-Haenszel stratified analysis was used to explore confounding and interaction effects of these polymorphisms. Results: Of the eight tag-SNPs genotyped, the rs10900555 polymorphism deviated from the Hardy-Weinberg equilibrium in controls. The presence of ADPKD in general was not significantly associated with the REN tag-SNPs included in this study. Linkage disequilibrium analysis yielded three haplotype blocks and the haplotypes of the respective blocks are not statistically different between ADPKD and controls. In multivariate analysis, the rs1464816 TG genotype showed a significant association with the advancement of CKD in ADPKD (OR = 4.80; 95 % CI = 1.30-17.82; p = 0.019). Conclusions:The present study provides evidence that the rs1464816 polymorphism in REN is associated with CKD progression in ADPKD.
Malnutrition is widely prevalent among patients on hemodialysis. Malnutrition can be estimated using a fully quantitative scoring system Subjective Global Assessment-Dialysis Malnutrition Score which is simple, reliable and dynamic. The primary objective of the study was to assess the severity of malnutrition in patients with end stage renal disease and undergoing hemodialysis in a tertiary care teaching hospital in Chennai, using Subjective Global Asses sment-Dialysis Malnutrition Score and correlate it with standard indicators of malnutrition like anthropometric and biochemical parameters of the study population by Pearson's correlation. Anthropometric assessment included height, body weight, triceps skin fold thickness, mid arm circumference, mid arm muscle circumference % and biochemical parameters included serum albumin, transferrin, ferritin, total protein, total cholesterol, blood urea nitrogen and creatinine. Based on the scores, of the 66 patients, 91% were moderately malnourished. There was a significant negative correlation between modified Subjective Global Assessment-Dialysis Malnutrition Score and anthropometric measures such as triceps skin fold thickness, mid arm circumference, mid arm muscle circumference; biochemical markers such as albumin, transferrin and ferritin. The data obtained from this study confirm that a high degree of malnutrition was prevalent in patients on hemodialysis, as shown by anthropometric assessment, biochemical markers of malnutrition and Subjective Global Assessment-Dialysis Malnutrition Score. Nutritional status as determined by Subjective Global Assessment-Dialysis Malnutrition Score is a useful and reliable index for identifying patients at risk for malnutrition and it correlates well with anthropometric and biochemical assessment. may be integrated in regular assessment of malnutrition in patients on maintenance hemodialysis.
Aim:To determine the prevalence and the type of complementary and alternative medicine (CAM) use among chronic kidney disease (CKD) patients on maintenance hemodialysis (MHD).Materials and Methods:The study was conducted in 200 CKD patients who were on MHD. The patients were subjected to a validated interviewer-administered questionnaire adopted from the National Health Interview Survey Adult CAM. The knowledge on CAM and its usage by the patients were assessed based on the responses given by the patients.Results:Of the 200 patients, 52 (26%) patients were identified to be using CAM therapy. The most commonly used CAM modality by these patients was Ayurveda both alone (30.4%) and in combination with other CAM modalities (23.2%), followed by acupuncture in 17.3% patients. CAM usage was high in the age range of 50–64 years (67%). Of the CAM users, 21% of patients were from a rural area; 16.5% of patients were from upper middle class, and 24% were on dialysis for 1–4 years. There was a statistically significant association between CAM usage and age, gender, place of living, socioeconomic status, and duration of dialysis (P < 0.01).Conclusion:The present survey provides the data on the usage of CAM among dialysis patients and adds to the increasing evidence about CAM use. Because many products are at risk to either accumulate or cause interactions with medication, a better education on the risks and benefits of the CAM therapy by the health care providers to the end stage renal disease patients is needed.
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