Jsun-Liang Kao MD , Hsiu-Chin Lu RN , Show-Ling Yu RN, Rong-Na Jhen MD, Yu-Ming Chang MD, Chih-Chung Shiao MD
{"title":"Some Essential Issues Regarding the Nutritional Status of Patients at Peritoneal Dialysis Initiation","authors":"Jsun-Liang Kao MD , Hsiu-Chin Lu RN , Show-Ling Yu RN, Rong-Na Jhen MD, Yu-Ming Chang MD, Chih-Chung Shiao MD","doi":"10.1053/j.jrn.2024.12.001","DOIUrl":"10.1053/j.jrn.2024.12.001","url":null,"abstract":"","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 2","pages":"Pages 364-365"},"PeriodicalIF":3.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143829870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Elisa Russo MD, Giacomo Garibotto MD, Linda W. Moore PhD, RDN
{"title":"Saltiness Perception and Sodium Intake in Patients With Chronic Kidney Disease","authors":"Elisa Russo MD, Giacomo Garibotto MD, Linda W. Moore PhD, RDN","doi":"10.1053/j.jrn.2024.12.005","DOIUrl":"10.1053/j.jrn.2024.12.005","url":null,"abstract":"","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 1","pages":"Pages 1-3"},"PeriodicalIF":3.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142873392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kathleen M. Hill Gallant PhD, RD , Stuart M. Sprague DO , David P. Rosenbaum PhD , David M. Spiegel MD , Kenji Kozuka MS , Susan Edelstein PhD , Glenn M. Chertow MD, MPH
{"title":"Tenapanor: A Phosphate Absorption Inhibitor for the Management of Hyperphosphatemia in Patients With Kidney Failure","authors":"Kathleen M. Hill Gallant PhD, RD , Stuart M. Sprague DO , David P. Rosenbaum PhD , David M. Spiegel MD , Kenji Kozuka MS , Susan Edelstein PhD , Glenn M. Chertow MD, MPH","doi":"10.1053/j.jrn.2024.07.003","DOIUrl":"10.1053/j.jrn.2024.07.003","url":null,"abstract":"<div><div>Because of increased risks of cardiovascular disease and death, patients with hyperphosphatemia receiving maintenance dialysis are advised to limit phosphorus consumption and are prescribed phosphate binders in an effort to better control serum phosphate concentrations. Because of large pill size, pill burden, and tolerability issues, phosphate binder adherence is relatively poor. On ingestion, phosphate is absorbed from the intestine via transcellular or paracellular transport. Data show that inhibiting sodium-hydrogen exchanger 3 modulates paracellular phosphate absorption (the predominant pathway in humans). Tenapanor is a first-in-class, minimally absorbed, phosphate absorption inhibitor that selectively inhibits sodium-hydrogen exchanger 3, with a mechanism distinct from, and complementary to, that of phosphate binders. In phase 3 and postregistrational studies, tenapanor conferred statistically significant and clinically meaningful reductions in serum phosphate in patients receiving maintenance dialysis with hyperphosphatemia. Here, we review the available preclinical and clinical data on the effects of tenapanor on controlling intestinal phosphate absorption.</div></div>","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 1","pages":"Pages 25-34"},"PeriodicalIF":3.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141591894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shani Zilberman-Itskovich MD , Baker Algamal MD , Ada Azar BSc , Shai Efrati MD , Ilia Beberashvili MD
{"title":"Nutritional and Inflammatory Aspects of Low Parathyroid Hormone in Maintenance Hemodialysis Patients—A Longitudinal Study","authors":"Shani Zilberman-Itskovich MD , Baker Algamal MD , Ada Azar BSc , Shai Efrati MD , Ilia Beberashvili MD","doi":"10.1053/j.jrn.2024.05.007","DOIUrl":"10.1053/j.jrn.2024.05.007","url":null,"abstract":"<div><h3>Background</h3><div>Low serum parathyroid hormone (PTH) is an accepted marker for adynamic bone disease which is characterized by increased morbidity and mortality in maintenance hemodialysis (MHD) patients. In light of the known cross-sectional associations between PTH and malnutrition-inflammation syndrome, we aimed to examine the longitudinal associations between PTH with changes in nutritional and inflammatory parameters and clinical outcomes in MHD patients with low PTH.</div></div><div><h3>Methods</h3><div>This historical prospective and longitudinal study analyzed a clinical database at a single hemodialysis center, containing the medical records of 459 MHD patients (mean age of 71.4 ± 12.9 years old, 171 women), treated between the years 2007-2020. Bone turnover, nutritional and inflammatory marker levels were recorded at 0, 6, 12, 18, 24, 30, and 36 months followed by a median of 24 additional months of clinical observations. According to previous use of vitamin D analogs and/or calcium-sensing receptor agonists, the study participants were divided into treatment-related and disease-related groups. A linear mixed effects model was adjusted for baseline demographics and clinical parameters.</div></div><div><h3>Results</h3><div>Of 459 MHD patients, 81 (17.6%) had PTH lower than 150pg/mL. Among them, 30 patients had treatment-related and 51 had disease-related low PTH. At baseline, MHD patients with treatment-related low PTH had a higher rate of diabetes compared to the disease-related group. In a linear mixed effects model, increased PTH over time was associated with decreased levels of alkaline phosphatase and C-reactive protein and with increased hemoglobin and albumin, but not the geriatric nutritional risk index at 3-year follow-up. The survival rate did not differ between the groups, with the risk of hospitalizations due to fractures being higher (HR: 4.04 with 95% CI: 1.51-10.8) in the disease-related group. Statistical significance of this association was abolished after adding C-reactive protein or alkaline phosphatase to the multivariate models.</div></div><div><h3>Conclusions</h3><div>Low serum PTH in MHD patients behaves differently depending on its cause, with a higher risk of fractures in the disease-related group. This association is dependent on inflammation. Our results should be verified in larger epidemiological studies.</div></div>","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 1","pages":"Pages 136-145"},"PeriodicalIF":3.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141288849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Seung Hye Chu MD , Eun Hee Park MD , Haekyung Lee MD, PhD , Yu Ah Hong MD, PhD , Woo Yeong Park MD, PhD , Jang-Hee Cho MD, PhD , In O Sun MD, PhD , Won Min Hwang MD, PhD , Soon Hyo Kwon MD, PhD , Jin Seok Jeon MD, PhD , Hyunjin Noh MD, PhD , Kyung Don Yoo MD, PhD , Hyoungnae Kim MD, PhD
{"title":"Relationship Between High-Density Lipoprotein Cholesterol and Mortality in Elderly Hemodialysis Patients: Data From the Korean Society of Geriatric Nephrology Retrospective Cohort","authors":"Seung Hye Chu MD , Eun Hee Park MD , Haekyung Lee MD, PhD , Yu Ah Hong MD, PhD , Woo Yeong Park MD, PhD , Jang-Hee Cho MD, PhD , In O Sun MD, PhD , Won Min Hwang MD, PhD , Soon Hyo Kwon MD, PhD , Jin Seok Jeon MD, PhD , Hyunjin Noh MD, PhD , Kyung Don Yoo MD, PhD , Hyoungnae Kim MD, PhD","doi":"10.1053/j.jrn.2024.05.003","DOIUrl":"10.1053/j.jrn.2024.05.003","url":null,"abstract":"<div><h3>Objectives</h3><div>The association between high-density lipoprotein (HDL) cholesterol levels and mortality in elderly patients undergoing hemodialysis is not well established. Thus, this study investigated HDL levels and mortality in elderly Korean patients undergoing hemodialysis.</div></div><div><h3>Methods</h3><div>We recruited 1860 incident hemodialysis patients aged greater than 70 years from a retrospective cohort of the Korean Society of Geriatric Nephrology. The primary outcome measure was all-cause mortality.</div></div><div><h3>Results</h3><div>The mean age of the cohort was 77.8 years, and 1049 (56.4%) were men. When we grouped the patients into HDL cholesterol tertiles, the T1 group (HDL level <30 mg/dL in men and <33 mg/dL in women) had a higher proportion of patients with end-stage kidney disease due to diabetic nephropathy. During the median follow-up period of 3.1 years, 1109 (59.7%) deaths occurred. In a multivariable Cox regression model, the T1 group had a significantly higher risk of mortality (hazard ratio [HR], 1.28; 95% confidence interval, 1.10-1.50; <em>P</em> = .002) compared to the T3 group. A nonlinear analysis using a restrictive spline curve showed that low HDL cholesterol levels were associated with increased HR when HDL cholesterol levels were <40 mg/dL; however, there was no association between HDL cholesterol and mortality when HDL cholesterol levels were >40 mg/dL. Triglyceride/HDL ratio was not significantly associated with the risk of mortality (HR per 1 log increase, 1.08; 95% confidence interval, 0.99-1.18; <em>P</em> = .069).</div></div><div><h3>Conclusions</h3><div>Low HDL cholesterol levels are associated with an increased risk of mortality in elderly patients undergoing hemodialysis. However, there was no significant relationship between HDL cholesterol levels and mortality when levels were below 40 mg/dL. Therefore, low HDL cholesterol levels may be a useful risk factor for predicting mortality in elderly patients undergoing hemodialysis.</div></div>","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 1","pages":"Pages 128-135"},"PeriodicalIF":3.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141181202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Impaired Saltiness Perception Contributes to Higher Sodium Intake Among Patients With Chronic Kidney Disease: A Cross-Sectional Two-Center Study","authors":"Seiji Kobayashi MD, PhD , Hoichi Amano MD , Hiroyuki Terawaki MD, PhD , Yoshindo Kawaguchi MD, PhD","doi":"10.1053/j.jrn.2024.08.002","DOIUrl":"10.1053/j.jrn.2024.08.002","url":null,"abstract":"<div><h3>Objective</h3><div>Dietary sodium restriction is important in the prognosis of patients with chronic kidney disease (CKD). The association between saltiness perception and sodium intake among CKD patients is unclear, and the factors that influence saltiness are also not fully understood. We evaluated saltiness perception in CKD patients employing a cost-effective saltiness perception test using sodium solutions and evaluated the association between saltiness perception, sodium intake, and the influencing factors.</div></div><div><h3>Design and Methods</h3><div>CKD outpatients not undergoing dialysis were enrolled from two medical centers and underwent saltiness perception tests together with 24-hour urine collections to measure daily sodium intake. Participants who perceived saltiness using the test solution containing 25 mM sodium were regarded to have “preserved” saltiness perception, while those unable to perceive saltiness were regarded as having “impaired” saltiness perception.</div></div><div><h3>Results</h3><div>Of the total 132 participants, the median daily sodium intake was 3.36 g (range; 0.51-9.95 g/day), and 43 (32.6%) were ex- or current smokers. When participants were divided into 3 groups (G) according to daily sodium intake level: low (G1; 0.51-2.61 g/day), middle (G2; 2.62-3.99 g/day), and high (G3; 4.06-9.95 g/day), there was an obvious difference in impaired saltiness perception between three groups: 6.8% in G1, 50.0% in G2 and 86.4% in G3 (<em>P</em> value = 8.035 × 10<sup>−14</sup>, Cochran–Armitage test). In a multiple regression analysis in which the saltiness perception was adopted as a subjective variable, smoking habit (ex- or current smoker) and nonadherence to dietary sodium restriction were identified as significant explanatory variables.</div></div><div><h3>Conclusion</h3><div>We revealed the clear relationship between higher daily sodium intake and impaired saltiness perception that is related to nonadherence to dietary sodium restriction and smoking habit, both of which could be intervened by nutritional counseling and public health education.</div></div>","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 1","pages":"Pages 103-109"},"PeriodicalIF":3.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142057035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ruichun Meng MD , Xuefeng Pei MD , Dongliang Yang MSc , Juanjuan Shang MD , Yangjian Cao MD , Shengwei Wei MD , Ye Zhu MD, PhD
{"title":"Consequences of Exposure to Famine Exposure on the Later Life eGFR Decline Among Survivors of the Great Chinese Famine: A Retrospective Study","authors":"Ruichun Meng MD , Xuefeng Pei MD , Dongliang Yang MSc , Juanjuan Shang MD , Yangjian Cao MD , Shengwei Wei MD , Ye Zhu MD, PhD","doi":"10.1053/j.jrn.2024.05.004","DOIUrl":"10.1053/j.jrn.2024.05.004","url":null,"abstract":"<div><h3>Objectives</h3><div>Chronic kidney disease (CKD) significantly contributes to the socio-economic burden both in China and worldwide. Previous research has shown that experiencing childhood famine is linked to various chronic conditions like diabetes, hypertension, and proteinuria. However, the long-term effects of early-life famine exposure on adult kidney function remain unclear. This study investigates whether exposure to the Chinese Great Famine (1959-1962) is associated with a decline in glomerular filtration rate (GFR) later in life.</div></div><div><h3>Design and Methods</h3><div>China Health and Retirement Longitudinal Study is a population-based observational study. We analyzed data from 8,828 participants in the 2011-2012 baseline survey, updated in 2014. Participants were categorized based on their birth year into fetal-exposed (1959-1962), childhood-exposed (1949-1958), adolescence/adult-exposed (1912-1948), and nonexposed (1963-1989) groups. The estimated GFR (eGFR) was calculated using the CKD-EPI-Cr-Cys equation (2021), with CKD defined as an eGFR below 60 mL/min/1.73 m<sup>2</sup>.</div></div><div><h3>Results</h3><div>Average eGFR values were 103.0, 96.8, 91.2, and 76.3 mL/min/1.73 m<sup>2</sup> for the fetal-exposed, childhood-exposed, adolescence/adult-exposed, and nonexposed groups, respectively. The eGFR in the exposed groups was significantly lower compared to the nonexposed group. Specifically, famine exposure correlated with a lower eGFR (coefficient estimates [CE] −9.14, 95% confidence interval [CI] −9.46, −8.82), with the strongest association observed in the adolescence/adult-exposed group (CE −26.74, 95% CI −27.75, −25.74). Adjusting for variables such as demographics, physical and laboratory tests, complications, and personal habits like smoking and drinking did not qualitatively alter this association (CE −1.38, 95% CI −1.72, −1.04). Further stratification by sex, body mass index, alcohol consumption history, hypertension, diabetes, Center for Epidemiologic Studies Depression score, and education level showed that the association remained consistent.</div></div><div><h3>Conclusions</h3><div>Exposure to famine during different life stages can have enduring effects on GFR decline in humans.</div></div>","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 1","pages":"Pages 35-47"},"PeriodicalIF":3.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141184851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Wesley J. Visser RD, PhD , Manon de Geus RD , Isabel M. van Ruijven RD , Anneke M.E. van Egmond-de Mik RD , Lucie Venrooij RD , Robbert C. Minnee PhD, MD , Pim Moeskops PhD , Edwin H.G. Oei PhD, MD , Manouk Dam RD , David Severs MD
{"title":"Fat-Free Mass Derived From Bioimpedance Spectroscopy and Computed Tomography are in Good Agreement in Patients With Chronic Kidney Disease","authors":"Wesley J. Visser RD, PhD , Manon de Geus RD , Isabel M. van Ruijven RD , Anneke M.E. van Egmond-de Mik RD , Lucie Venrooij RD , Robbert C. Minnee PhD, MD , Pim Moeskops PhD , Edwin H.G. Oei PhD, MD , Manouk Dam RD , David Severs MD","doi":"10.1053/j.jrn.2024.05.011","DOIUrl":"10.1053/j.jrn.2024.05.011","url":null,"abstract":"<div><h3>Objective</h3><div>Malnutrition is highly prevalent in patients with kidney failure. Since body weight does not reflect body composition, other methods are needed to determine muscle mass, often estimated by fat-free mass (FFM). Bioimpedance spectroscopy (BIS) is frequently used for monitoring body composition in patients with kidney failure. Unfortunately, BIS-derived lean tissue mass (LTM<sub>BIS</sub>) is not suitable for comparison with FFM cutoff values for the diagnosis of malnutrition, or for calculating dietary protein requirements. Hypothetically, FFM could be derived from BIS (FFM<sub>BIS</sub>). This study aims to compare FFM<sub>BIS</sub> and LTM<sub>BIS</sub> with computed tomography (CT) derived FFM (FFM<sub>CT</sub>). Secondarily, we aimed to explore the impact of different methods on calculated protein requirements.</div></div><div><h3>Methods</h3><div>CT scans of 60 patients with kidney failure stages 4-5 were analyzed at the L3 level for muscle cross-sectional area, which was converted to FFM<sub>CT</sub>. Spearman rank correlation coefficient and 95% limits of agreement were calculated to compare FFM<sub>BIS</sub> and LTM<sub>BIS</sub> with FFM<sub>CT</sub>. Protein requirements were determined based on FFM<sub>CT</sub>, FFM<sub>BIS</sub>, and adjusted body weight. Deviations over 10% were considered clinically relevant.</div></div><div><h3>Results</h3><div>FFM<sub>CT</sub> correlated most strongly with FFM<sub>BIS</sub> (<em>r</em> = 0.78, <em>P</em> < .001), in males (<em>r</em> = 0.72, <em>P</em> < .001) and in females (<em>r</em> = 0.60, <em>P</em> < .001). A mean difference of −0.54 kg was found between FFM<sub>BIS</sub> and FFM<sub>CT</sub> (limits of agreement: −14.88 to 13.7 kg, <em>P</em> = .544). Between LTM<sub>BIS</sub> and FFM<sub>CT</sub> a mean difference of −12.2 kg was apparent (limits of agreement: −28.7 to 4.2 kg, <em>P</em> < .001). Using FFM<sub>CT</sub> as a reference, FFM<sub>BIS</sub> best predicted protein requirements. The mean difference between protein requirements according to FFM<sub>BIS</sub> and FFM<sub>CT</sub> was −0.7 ± 9.9 g in males and −0.9 ± 10.9 g in females.</div></div><div><h3>Conclusion</h3><div>FFM<sub>BIS</sub> correlates well with FFM<sub>CT</sub> at a group level, but shows large variation within individuals. As expected, large clinically relevant differences were observed in calculated protein requirements.</div></div>","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 1","pages":"Pages 72-80"},"PeriodicalIF":3.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141288848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Estimated Proximal Tubule Fluid Phosphate Concentration and Renal Tubular Damage Biomarkers in Early Stages of Chronic Kidney Disease","authors":"Shoya Mori PhD , Keisei Kosaki PhD , Masahiro Matsui PhD , Koichiro Tanahashi PhD , Takeshi Sugaya PhD , Yoshitaka Iwazu MD, PhD , Makoto Kuro-o MD, PhD , Chie Saito MD, PhD , Kunihiro Yamagata MD, PhD , Seiji Maeda PhD","doi":"10.1053/j.jrn.2024.06.009","DOIUrl":"10.1053/j.jrn.2024.06.009","url":null,"abstract":"<div><h3>Objective</h3><div>An increase in proximal tubule fluid phosphate concentration is caused by increased serum fibroblast growth factor-23 (FGF23) levels, which resulted in renal tubular damage in a mouse model of chronic kidney disease (CKD). However, few human studies have supported this concept. This study aimed to explore the association among estimated proximal tubule fluid phosphate concentration (ePTFp), serum FGF23 levels, and renal tubular damage biomarkers in middle-aged and older populations with mild decline in renal function.</div></div><div><h3>Methods</h3><div>This cross-sectional study included 218 participants aged ≥45 with CKD stages G2-G4. Anthropometric measurements, blood tests, spot urine biomarkers, renal ultrasonography, cardiovascular assessment, smoking status, and medication usage were obtained in the morning in fasted states. The ePTFp was calculated using serum creatinine, urine phosphate, and creatinine concentrations. Urinary β2-microglobulin (β2-MG) and liver-type fatty acid–binding protein (L-FABP) levels were evaluated to assess renal tubular damage.</div></div><div><h3>Results</h3><div>PTFp, serum FGF23, urinary β2-MG, and urinary L-FABP levels increased with CKD stage progression (stages G2, G3, and G4). However, serum and urine phosphate concentrations were comparable across the CKD stages. Univariate analysis revealed a stronger correlation of ePTFp with serum FGF23, urinary β2-MG, and urinary L-FABP levels than with the corresponding serum and urine phosphate concentrations. Multivariate analyses demonstrated that increased ePTFp was independently associated with elevated serum FGF23 and urinary β2-MG levels, even after adjusting for potential covariates, including the estimated glomerular filtration rate and urinary albumin-to-creatinine ratio.</div></div><div><h3>Conclusions</h3><div>Our results are consistent with the concept in mouse model and suggest that increased ePTFp are associated with increased serum FGF23 levels and renal tubular damage during the early stages of CKD.</div></div>","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 1","pages":"Pages 81-89"},"PeriodicalIF":3.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141591891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maryanne Zilli Canedo Silva PhD , Carla Maria Avesani PhD , Barbara Perez Vogt PhD , Fabiana Lourenço Costa MSc , Daniela Ponce MD, PhD , Bengt Lindholm MD, PhD , Jacqueline Costa Teixeira Caramori MD, PhD
{"title":"Nutritional Status of Patients Starting on Peritoneal Dialysis: A Comparison Between Planned and Unplanned Dialysis Initiation","authors":"Maryanne Zilli Canedo Silva PhD , Carla Maria Avesani PhD , Barbara Perez Vogt PhD , Fabiana Lourenço Costa MSc , Daniela Ponce MD, PhD , Bengt Lindholm MD, PhD , Jacqueline Costa Teixeira Caramori MD, PhD","doi":"10.1053/j.jrn.2024.06.004","DOIUrl":"10.1053/j.jrn.2024.06.004","url":null,"abstract":"<div><h3>Objective</h3><div>A suboptimal dialysis initiation with insufficient or no planning before urgent start of dialysis remains a common problem associated with increased morbimortality. Whether nutritional markers differ between patients starting peritoneal dialysis (PD) in unplanned and planned modes has not yet been explored. Therefore, we aimed to evaluate whether the nutritional status at the start of dialysis differed between patients with unplanned and planned PD initiation.</div></div><div><h3>Methods</h3><div>In this observational study comprising 47 adult patients starting PD (age 58 ± 15 years, 51% female), 29 patients had unplanned (starting dialysis up to 72 hours after peritoneal catheter implantation) and 18 planned (follow-up predialysis >90 days) dialysis initiation. Within 30 days of PD initiation, nutritional status was evaluated using anthropometric measurements, multifrequency bioelectrical impedance analysis, appetite assessment, handgrip strength, laboratory markers, and the malnutrition-inflammation score. Physical activity and performance were also evaluated.</div></div><div><h3>Results</h3><div>Patients with an unplanned PD initiation had a higher frequency of diabetes, higher blood glucose, urea, and glycated hemoglobin levels, and lower hemoglobin and albumin levels. Furthermore, they had a lower calf circumference, slower gait speed, higher protein intake, and greater malnutrition-inflammation score, while their physical activity level and appetite did not differ.</div></div><div><h3>Conclusion</h3><div>Patients with an unplanned PD had unfavorable clinical and nutritional markers compared with those with planned PD. These findings indicate that a lack of follow-up prior to dialysis initiation can influence the clinical and nutritional statuses of patients, reinforcing the importance of conservative treatment prior to dialysis initiation.</div></div>","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 1","pages":"Pages 156-162"},"PeriodicalIF":3.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141428131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}