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Higher Dietary Inflammatory Index and Systemic Immune-Inflammation Index Score are Associated With Higher Risk of Chronic Kidney Disease: Analysis of the National Health and Nutrition Examination Survey From 1999 to 2018 较高的膳食炎症指数和全身免疫炎症指数得分与较高的慢性肾病风险有关:1999年至2018年全国健康与营养调查分析》。
IF 3.4 3区 医学 Q2 NUTRITION & DIETETICS Pub Date : 2025-03-01 DOI: 10.1053/j.jrn.2024.07.013
Lijuan Guo MD , Pin Zhao MD , Zhaowei Zhu MD

Objective

Chronic kidney disease (CKD) is characterized by a gradual decline in kidney function over time. The role of dietary inflammatory index (DII) and systemic immune-inflammation index (SII) in individuals with CKD remains uncertain. We aimed to explore the potential correlation between DII and SII with the prevalence of CKD in adult Americans.

Methods

This cross-sectional study used data from the National Health and Nutrition Examination Study between 1999 and 2018. The DII was calculated based on the 24-hour dietary history interview, while the SII was calculated as the product of platelet count multiplied by neutrophil count and divided by lymphocyte count. CKD was diagnosed based on impaired glomerular filtration rate (<60 mL/min per 1.73 m2) or urinary albumin-creatinine ratio ≥30 mg/g. Multivariable logistic regression analyses and subgroup analyses were performed to examine the association between DII/SII and CKD.

Results

In total, this study included 40,388 participants, of whom 7443 (18.4%) had CKD. The prevalence of CKD changed from 14.84% (95% confidence interval (CI): 13.20-16.48%) in 1999-2000 to 12.76% (95% CI: 11.10-14.43%) in 2017-2018. According to adjusted multivariate logistic regression models, individuals with higher DII scores had a higher likelihood of having CKD (odds ratio = 1.24; 95% CI: 1.12-1.37). Similarly, higher SII scores were associated with a higher risk of CKD (odds ratio = 1.37; 95% CI: 1.25-1.50). Subgroup analyses further demonstrated relatively stronger associations between DII/SII and CKD among individuals with other factors such as sex, age, body mass index, smoking status, drinking status, hypertension, and diabetes.

Conclusions

The DII and SII scores were significantly positively associated with higher risks of CKD. Anti-inflammatory diet might have the potential to prevent CKD. The SII may serve as a cost-effective and straightforward approach for detecting CKD. Further prospective longitudinal studies are needed to verify the causality.
目的:慢性肾脏病(CKD)的特点是肾功能随着时间的推移逐渐下降。膳食炎症潜能对全身炎症的影响已得到公认,但有关膳食炎症指数(DII)与慢性肾脏病之间关系的研究却很有限。虽然炎症与肾脏损伤有关,但全身免疫炎症指数(SII)在慢性肾脏病患者中的作用仍不确定。因此,本研究旨在探讨 DII 和 SII 与美国成年人慢性肾脏病患病率之间的潜在相关性:这项横断面研究使用了 1999 年至 2018 年期间美国国家健康与营养调查研究(NHANES)的数据。DII根据24小时饮食史访谈计算,SII则根据血小板计数乘以中性粒细胞计数再除以淋巴细胞计数的乘积计算。肾小球滤过率受损(< 60 ml/min per 1.73 m2)或尿白蛋白-肌酐比值(UACR)≥30 mg/g,即可诊断为慢性肾脏病。研究人员进行了多变量逻辑回归分析和亚组分析,以检验 DII/SII 与 CKD 之间的关联:本研究共纳入 40388 名参与者,其中 7443 人(18.4%)被诊断为 CKD。CKD患病率从1999-2000年的14.84%(95% CI:13.20%至16.48%)变为2017-2018年的12.76%(95% CI:11.10%至14.43%)。根据调整后的多元 Logistic 回归模型,DII 分数越高的人患 CKD 的可能性越大(OR = 1.24;95% CI:1.12-1.37)。同样,逻辑回归分析证实,SII 分数越高,患 CKD 的风险越高(OR = 1.37;95% CI:1.25-1.50)。亚组分析进一步表明,在性别、年龄、体重指数、吸烟状况、饮酒状况、高血压和糖尿病等其他因素的个体中,DII/SII 与 CKD 的关联性相对更强:结论:DII 和 SII 评分与较高的 CKD 风险呈显著正相关。抗炎饮食可能具有预防慢性肾脏病的潜力。SII 可作为检测慢性肾脏病的一种经济、直接的方法。需要进一步的前瞻性纵向研究来验证其因果关系。
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引用次数: 0
Effects of High Amylose-Resistant Starch on Gut Microbiota and Uremic Toxin Levels in Patients With Stage-G3a-G4 Chronic Kidney Disease: A Randomized Trial 高淀粉抗性淀粉对 G3a-G4 期慢性肾病患者肠道微生物群和尿毒症毒素水平的影响:随机试验。
IF 3.4 3区 医学 Q2 NUTRITION & DIETETICS Pub Date : 2025-03-01 DOI: 10.1053/j.jrn.2024.09.005
Samuel A. Headley , Donna J. Chapman , Michael J. Germain , Elizabeth E. Evans , Karen L. Madsen , Emily M. Miele , Kristyn Kirton , Joshua Loseke , Allen Cornelius , Brian Martin , Bradley Nindl , Heekuk Park , Nosratola D. Vaziri , Talat Alp Ikizler

Objective

This study was designed to determine the effect of 16 weeks of supplementation with Hi-maize 260 resistant starch (RS) on the gut microbiota, uremic toxins (indoxyl sulfate and p-cresyl sulfate [PCS]), markers of inflammation, and oxidative stress along with vascular function in patients with stage G3a-G4 chronic kidney disease (CKD).

Design and Methods

This was a double-blind, placebo-controlled, parallel-arm, randomized controlled trial. Sixty-eight patients with stage-G3a-G4 CKD were randomized to either RS with usual care or placebo and usual care. Patients attended four testing sessions as follows: two baseline (BL) visits and follow-up visits at 8 and 16 weeks. Fasting blood samples, resting brachial and central blood pressures, along with arterial stiffness, were collected at visits (1 or 2) and weeks 8 and 16. A stool sample was collected for analysis of microbial composition at BL and week 16. Patients were randomized after the BL visits.

Results

Patients receiving the RS had a reduction in PCS at week 16. This reduction was associated with a decrease in microbial α-diversity between BL and week 16 (Chao1 P = .014, Shannon P = .017, phylogenetic diversity P = .046, and Simpson P = .017) as well as increases in Subdoligranulum (P = .03) and Oscillospiraceae Unclassified Clostridiales Group 002 (P = .02) and decreases in Bacteroides (P = .009).There were no changes in microbial beta diversity and other biomarkers or markers of vascular function following the 16-week period.

Conclusion

Sixteen weeks of supplementation of RS in patients with stage-G3a-G4 CKD led to changes in microbial composition that were associated with a significant reduction in PCS.
研究目的本研究旨在确定在G3a-G4期慢性肾脏病(CKD)患者体内补充16周Hi-maize 260抗性淀粉对肠道微生物群、尿毒症毒素(硫酸吲哚酯和硫酸对甲酚酯)、炎症和氧化应激指标以及血管功能的影响:这是一项双盲、安慰剂对照、平行臂随机对照试验。68 名 G3a-G4 期慢性肾脏病患者被随机分配到抗性淀粉与常规护理或安慰剂与常规护理中。患者参加了四次测试:两次基线访问,以及 8 周和 16 周的随访。在第 1 次或第 2 次就诊以及第 8 周和第 16 周时收集空腹血样、静息肱动脉血压和中心血压以及动脉僵硬度。在基线和第 16 周收集粪便样本以分析微生物成分。基线检查结束后,对患者进行随机分组:结果:接受抗性淀粉治疗的患者在第 16 周时对甲酚硫酸盐含量有所下降。结果:接受抗性淀粉治疗的患者在第 16 周时对甲酚硫酸盐含量降低,这与基线和第 16 周时微生物 α 多样性的降低有关(Chao1 p=0.014,Shannon p=0.017,PD p=0.046,Simpson p=0.017),也与 Subdoligranulum(p=0.16周后,微生物β多样性和其他生物标志物或血管功能标志物没有发生变化:对 G3a-G4 期慢性肾脏病患者补充抗性淀粉 16 周后,微生物组成发生了变化,这与对甲酚硫酸盐的显著降低有关。
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引用次数: 0
Author’s Reply to the Letter to the Editor: “Nutritional Status of Patients Starting on Peritoneal Dialysis: Comparison Between Planned and Unplanned Dialysis Initiation” 作者关于“腹膜透析起始患者的营养状况:计划与非计划透析起始的比较”一文中给编辑的回信。
IF 3.4 3区 医学 Q2 NUTRITION & DIETETICS Pub Date : 2025-03-01 DOI: 10.1053/j.jrn.2024.11.008
Maryanne Zilli Canedo Silva PhD, Carla Maria Avesani PhD, Jacqueline Costa Teixeira Caramori MD, PhD
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引用次数: 0
Is the “Nutritional Risk Index for Japanese Hemodialysis” Validated as a Nutritional and Prognostic Indicator? “日本血液透析营养风险指数”作为营养和预后指标是否有效?
IF 3.4 3区 医学 Q2 NUTRITION & DIETETICS Pub Date : 2025-03-01 DOI: 10.1053/j.jrn.2024.12.003
Takahiro Yajima MD
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引用次数: 0
Effects of Nutritional Supplementation Combined With Exercise Training on Frailty, Physical Function, and Quality of Life in Chronic Kidney Disease: A Systematic Review and Meta-Analysis 营养补充结合运动训练对慢性肾病患者虚弱、身体功能和生活质量的影响:系统回顾和荟萃分析
IF 3.4 3区 医学 Q2 NUTRITION & DIETETICS Pub Date : 2025-03-01 DOI: 10.1053/j.jrn.2024.11.009
Fan Zhang , Hui Wang , Yan Bai , Liuyan Huang , Huachun Zhang
This review evaluates the effectiveness of nutritional supplementation combined with exercise training on frailty characteristics, physical function, and health-related quality of life in patients with chronic kidney disease (CKD). A systematic search of PubMed, Embase, Web of Science, and Scopus was conducted, identifying 7 articles (9 trials, 324 patients). Meta-analysis showed that combined interventions improved frailty characteristics, such as walking speed (mean difference: 0.09 m/s, 95% confidence interval (CI): 0.02 to 0.16) and physical functioning, including cardiorespiratory fitness (standardized mean difference: 0.56, 95% CI: 0.20 to 0.93) and lower extremity mobility (Timed Up and Go test: -1.11 s, 95% CI: −1.79 to -0.43). However, effects on body weight, fatigue, and health-related quality of life remain uncertain. Due to study heterogeneity and small sample sizes, findings should be interpreted cautiously. Larger, long-term studies are needed to confirm these results and explore additional health outcomes.
目的:营养补充和运动训练的联合干预策略有可能支持慢性肾脏疾病(CKD)患者虚弱的治疗和改善健康结果。本研究旨在评估营养补充结合运动训练干预对CKD患者虚弱特征、身体功能和健康相关生活质量的有效性。设计与方法:检索PubMed、Embase、Web of Science和Scopus,检索时间为成立至2022年10月22日,更新时间为2023年5月。一项随机对照试验(RCT)将营养补充结合运动训练与常规护理/单一营养补充或运动训练进行比较,以评估对CKD患者弗里德基础虚弱特征和身体功能的影响。两位作者独立选择文献,提取数据,并使用Cochrane偏倚风险工具2评估偏倚风险。使用hartung - knap - sidik - jonkman方法的随机效应模型或使用受限最大似然的固定效应模型对结果进行分析。采用“留一”法进行敏感性分析。结果:纳入7篇文章(9项试验,共324例患者)。荟萃分析显示,营养补充结合运动训练干预可以改善透析患者的虚弱特征,如步行速度(平均差值(MD): 0.09 m/s, 95%(置信区间)CI 0.02至0.16),身体功能,如心肺功能(标准化平均差值(SMD): 0.56, 95% CI 0.20至0.93),以及通过timed up and go测试评估的下肢活动能力(MD: -1.11 s, 95% CI -1.79至-0.43)。然而,联合干预对体重(MD: 1.28 kg, 95% CI -2.06 - 4.62)、疲劳(SMD: 0.57, 95% CI -1.44 - 0.30)和健康相关生活质量等其他指标的影响尚不确定。由于纳入研究的异质性和相对较小的样本量,这些结果应谨慎解释。结论:营养补充与运动训练相结合的干预策略可能有助于改善CKD患者的虚弱和身体功能,特别是步行速度、心肺健康和下肢活动能力。未来的研究应侧重于更大的样本量和长期随访,以证实这些初步发现,并探讨对其他健康指标的潜在影响。
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引用次数: 0
Effects of Alpha-Lipoic Acid Supplementation on Weight Loss, Inflammatory, Lipid, and Hematological Levels in Patients With Chronic Kidney Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials 补充α-硫辛酸对慢性肾脏病患者体重减轻、炎症、血脂和血液学水平的影响:随机对照临床试验的系统回顾和元分析。
IF 3.4 3区 医学 Q2 NUTRITION & DIETETICS Pub Date : 2025-03-01 DOI: 10.1053/j.jrn.2024.08.004
Hadi Rezaei MD , Mahdi Ravankhah MD , Mahboobeh Ansari MD , Aida Alirezaee MD , Omid Keshavarzian MD , Mozhan Abdollahi MD , Hamid Reza Sabet MSc

Objectives

The effects of alpha-lipoic acid (ALA) supplementation on cardiovascular-related factors have been evaluated in a number of randomized clinical trials, with different results. Thus, in this meta-analysis, the effects of ALA on blood levels of inflammatory, lipid, and hematological markers as well as anthropometric indices in patients with chronic kidney disease (CKD) were evaluated.

Methods

Five electronic databases were used to conduct a comprehensive search through October 2023. Risk of bias assessment and data extraction were carried out separately by 2 reviewers on the included papers. The data were analyzed using the random-effects model in meta-analyses. The data were analyzed using the random-effects model in meta-analyses. We assessed inter-study heterogeneity with I2 and Cochran's Q test.

Results

Nine of the 421 potential reports were included. Using random-effects models, no significant changes were observed in weight loss, body mass index, hemoglobin, and iron following ALA supplementation (600 mg/day). Results exhibited that ALA significantly reduced high-sensitivity C-reactive protein levels in individuals with CKD (weighted mean difference (WMD) = −2.91 mg/L, 95% CI: −4.65, −1.17, I2 = 50.5%, P = .09); however, there were no significant variations in levels of interleukin-6 (IL-6) or malondialdehyde. Regarding lipid profiles, findings revealed that ALA administration had no significant impact on high-density lipoprotein cholesterol and triglycerides levels among patients with CKD. However, compared to the control group, total cholestrol levels were considerably lower in CKD patients (WMD = −5.48 mg/dL, 95% CI: −10.55, −0.41, I2 = 0.0%, P = .50). Moreover, the sensitivity analyses showed that pooled WMDs for low-density lipoprotein cholesterol levels were significantly changed (−6.88 mg/dL, 95% CI, −12.78, −0.98).

Conclusions

These findings revealed that ALA supplementation slightly but significantly reduced blood levels of high-sensitivity C-reactive protein, total cholestrol, and low-density lipoprotein cholesterol, but did not affect IL-6, malondialdehyde, high-density lipoprotein cholesterol, weight, body mass index, iron, and hemoglobin in patients with CKD.
背景和目的:多项随机临床试验(RCT)评估了补充α-硫辛酸(ALA)对心血管相关因素的影响,结果各不相同。因此,本荟萃分析评估了 ALA 对慢性肾脏病(CKD)患者血液中炎症、血脂和血液学指标以及人体测量指数的影响:方法:使用五个电子数据库进行全面检索,检索期至 2023 年 10 月。两位审稿人分别对纳入的论文进行了偏倚风险评估和数据提取。数据采用随机效应模型进行荟萃分析。荟萃分析采用随机效应模型对数据进行分析。我们用 I2 和 Cochran's Q 检验评估了研究间的异质性:421 项潜在报告中有 9 项被纳入。使用随机效应模型,发现补充 ALA(600 毫克/天)后,体重减轻、体重指数(BMI)、血红蛋白(Hb)和铁(Fe)均无明显变化。结果显示,ALA 能明显降低慢性肾脏病患者的 hs-CRP 水平(加权平均差 (WMD) = -2.91 mg/L,95% CI:-4.65,-1.17,I2 = 50.5%,P = 0.09),但白细胞介素-6(IL-6)或丙二醛(MDA)水平没有明显变化。在血脂谱方面,研究结果显示,服用 ALA 对慢性肾脏病患者的高密度脂蛋白胆固醇(HDL-C)和总胆固醇(TG)水平没有明显影响。然而,与对照组相比,CKD 患者的 TC 水平明显降低(WMD = -5.48 mg/dL,95% CI:-10.55,-0.41,I2 = 0.0%,P = 0.50)。此外,敏感性分析表明,LDL-C水平的集合WMD也发生了显著变化(-6.88 mg/dL,95% CI:-12.78,-0.98):这些研究结果表明,补充 ALA 能轻微但显著地降低血液中的 hs-CRP、TC 和 LDL-C 水平,但不会影响 IL-6、MDA、HDL-C、体重、BMI、铁和血红蛋白。
{"title":"Effects of Alpha-Lipoic Acid Supplementation on Weight Loss, Inflammatory, Lipid, and Hematological Levels in Patients With Chronic Kidney Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials","authors":"Hadi Rezaei MD ,&nbsp;Mahdi Ravankhah MD ,&nbsp;Mahboobeh Ansari MD ,&nbsp;Aida Alirezaee MD ,&nbsp;Omid Keshavarzian MD ,&nbsp;Mozhan Abdollahi MD ,&nbsp;Hamid Reza Sabet MSc","doi":"10.1053/j.jrn.2024.08.004","DOIUrl":"10.1053/j.jrn.2024.08.004","url":null,"abstract":"<div><h3>Objectives</h3><div>The effects of alpha-lipoic acid (ALA) supplementation on cardiovascular-related factors have been evaluated in a number of randomized clinical trials, with different results. Thus, in this meta-analysis, the effects of ALA on blood levels of inflammatory, lipid, and hematological markers as well as anthropometric indices in patients with chronic kidney disease (CKD) were evaluated.</div></div><div><h3>Methods</h3><div>Five electronic databases were used to conduct a comprehensive search through October 2023. Risk of bias assessment and data extraction were carried out separately by 2 reviewers on the included papers. The data were analyzed using the random-effects model in meta-analyses. The data were analyzed using the random-effects model in meta-analyses. We assessed inter-study heterogeneity with I<sup>2</sup> and Cochran's Q test.</div></div><div><h3>Results</h3><div>Nine of the 421 potential reports were included. Using random-effects models, no significant changes were observed in weight loss, body mass index, hemoglobin, and iron following ALA supplementation (600 mg/day). Results exhibited that ALA significantly reduced high-sensitivity C-reactive protein levels in individuals with CKD (weighted mean difference (WMD) = −2.91 mg/L, 95% CI: −4.65, −1.17, I<sup>2</sup> = 50.5%, <em>P</em> = .09); however, there were no significant variations in levels of interleukin-6 (IL-6) or malondialdehyde. Regarding lipid profiles, findings revealed that ALA administration had no significant impact on high-density lipoprotein cholesterol and triglycerides levels among patients with CKD. However, compared to the control group, total cholestrol levels were considerably lower in CKD patients (WMD = −5.48 mg/dL, 95% CI: −10.55, −0.41, I<sup>2</sup> = 0.0%, <em>P</em> = .50). Moreover, the sensitivity analyses showed that pooled WMDs for low-density lipoprotein cholesterol levels were significantly changed (−6.88 mg/dL, 95% CI, −12.78, −0.98).</div></div><div><h3>Conclusions</h3><div>These findings revealed that ALA supplementation slightly but significantly reduced blood levels of high-sensitivity C-reactive protein, total cholestrol, and low-density lipoprotein cholesterol, but did not affect IL-6, malondialdehyde, high-density lipoprotein cholesterol, weight, body mass index, iron, and hemoglobin in patients with CKD.</div></div>","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 2","pages":"Pages 289-299"},"PeriodicalIF":3.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142479354","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}
引用次数: 0
March Meeting Announcements 三月会议公告
IF 3.4 3区 医学 Q2 NUTRITION & DIETETICS Pub Date : 2025-03-01 DOI: 10.1053/j.jrn.2024.11.005
Mary Kay Hensley MS, RDN, FAND
{"title":"March Meeting Announcements","authors":"Mary Kay Hensley MS, RDN, FAND","doi":"10.1053/j.jrn.2024.11.005","DOIUrl":"10.1053/j.jrn.2024.11.005","url":null,"abstract":"","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 2","pages":"Page 374"},"PeriodicalIF":3.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143828801","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}
引用次数: 0
Association Between Magnesium Intake and Chronic Kidney Diseases and Kidney Stones in Adults Aged 50 years and Older: Dose–Response Analysis of a Nationally Representative Population-Based Study 50 岁及以上成年人镁摄入量与慢性肾病和肾结石之间的关系:一项具有全国代表性的人群研究的剂量反应分析。
IF 3.4 3区 医学 Q2 NUTRITION & DIETETICS Pub Date : 2025-03-01 DOI: 10.1053/j.jrn.2024.11.004
Hongjun Zhao MD, Yanchen Wang MD, Lihui Guan MD, Yaofei Sun MD

Objectives

Higher serum magnesium concentrations have been linked to reduced risk of chronic kidney diseases (CKDs). However, the dose–response relationships between magnesium intake and CKD and kidney stones in the general population remain unknown. This study aimed to quantitatively assess the dose–response relationships between magnesium intake and CKD and kidney stones.

Methods

Adult participants (≥50 years) from the 2007-2018 National Health and Nutrition Examination Survey were included. Magnesium intake from diet and supplements were determined with structured dietary recalls. Patients with kidney stones were identified using a standard questionnaire. CKD was defined as estimated glomerular filtration rate <60 mL/min/1.73 m2. The nonlinear relationships were explored with restricted cubic splines. Stratified analyses by sex were conducted.

Results

The weighted prevalence of CKD and kidney stones was 12.16% and 13.13%, respectively. A nonlinear relationship between magnesium intake and CKD (Pfor nonlinearity<.01) and kidney stones (Pfor nonlinearity = .02) was found. There was an initial steep decrease in odds of CKD and kidney stones with increasing intakes of magnesium, and then a platform or weaker decrease in odds of CKD and kidney stones was observed beyond 350 mg/day of magnesium intake [odds ratio (95% confidence interval) for CKD: 0.60 (0.46-0.78), 0.77 (0.61-0.98) for kidney stones]. Higher magnesium intake was inversely associated with odds of CKD in both males and females, while the inverse association between higher magnesium intake and odds of kidney stones was only statistically significant in females.

Conclusions

Higher magnesium intake was nonlinearly associated with lower odds of kidney stones and CKD, and a threshold level of 350 mg/day of magnesium intake was observed in adults aged 50 years and older. These findings deserve to be confirmed by prospective cohort studies.
目的:较高的血清镁浓度与慢性肾脏疾病(CKD)风险的降低有关。然而,在普通人群中,镁摄入量与慢性肾脏病和肾结石之间的剂量反应关系仍然未知。本研究旨在定量评估镁摄入量与慢性肾脏病和肾结石之间的剂量反应关系:方法:纳入 2007-2018 年全国健康与营养调查的成年参与者(≥50 岁)。通过结构化膳食回忆确定膳食和补充剂中的镁摄入量。肾结石患者通过标准问卷进行鉴定。慢性肾功能衰竭的定义是估计肾小球滤过率为 2。采用限制性三次样条对非线性关系进行了分析。并按性别进行了分层分析:结果:慢性肾脏病和肾结石的加权患病率分别为 12.16% 和 13.13%。镁摄入量与慢性肾脏病之间存在非线性关系(非线性P=0.02)。最初,随着镁摄入量的增加,患慢性肾脏病和肾结石的几率会急剧下降,而当镁摄入量超过 350 毫克/天时,患慢性肾脏病和肾结石的几率会出现平台或较弱的下降[患慢性肾脏病的几率比(95% 置信区间):0.60(0.46-0.78),患肾结石的几率比(95% 置信区间):0.77(0.61-0.98)]。在男性和女性中,较高的镁摄入量与患慢性肾脏病的几率成反比,而较高的镁摄入量与患肾结石的几率之间的反比关系仅在女性中具有统计学意义:结论:较高的镁摄入量与较低的肾结石和慢性肾脏病几率呈非线性关系,在 50 岁及以上的成年人中,镁摄入量的临界水平为每天 350 毫克。这些发现值得通过前瞻性队列研究加以证实。
{"title":"Association Between Magnesium Intake and Chronic Kidney Diseases and Kidney Stones in Adults Aged 50 years and Older: Dose–Response Analysis of a Nationally Representative Population-Based Study","authors":"Hongjun Zhao MD,&nbsp;Yanchen Wang MD,&nbsp;Lihui Guan MD,&nbsp;Yaofei Sun MD","doi":"10.1053/j.jrn.2024.11.004","DOIUrl":"10.1053/j.jrn.2024.11.004","url":null,"abstract":"<div><h3>Objectives</h3><div>Higher serum magnesium concentrations have been linked to reduced risk of chronic kidney diseases (CKDs). However, the dose–response relationships between magnesium intake and CKD and kidney stones in the general population remain unknown. This study aimed to quantitatively assess the dose–response relationships between magnesium intake and CKD and kidney stones.</div></div><div><h3>Methods</h3><div>Adult participants (≥50 years) from the 2007-2018 National Health and Nutrition Examination Survey were included. Magnesium intake from diet and supplements were determined with structured dietary recalls. Patients with kidney stones were identified using a standard questionnaire. CKD was defined as estimated glomerular filtration rate &lt;60 mL/min/1.73 m<sup>2</sup>. The nonlinear relationships were explored with restricted cubic splines. Stratified analyses by sex were conducted.</div></div><div><h3>Results</h3><div>The weighted prevalence of CKD and kidney stones was 12.16% and 13.13%, respectively. A nonlinear relationship between magnesium intake and CKD (<em>P</em><sub>for nonlinearity</sub>&lt;.01) and kidney stones (<em>P</em><sub>for nonlinearity</sub> = .02) was found. There was an initial steep decrease in odds of CKD and kidney stones with increasing intakes of magnesium, and then a platform or weaker decrease in odds of CKD and kidney stones was observed beyond 350 mg/day of magnesium intake [odds ratio (95% confidence interval) for CKD: 0.60 (0.46-0.78), 0.77 (0.61-0.98) for kidney stones]. Higher magnesium intake was inversely associated with odds of CKD in both males and females, while the inverse association between higher magnesium intake and odds of kidney stones was only statistically significant in females.</div></div><div><h3>Conclusions</h3><div>Higher magnesium intake was nonlinearly associated with lower odds of kidney stones and CKD, and a threshold level of 350 mg/day of magnesium intake was observed in adults aged 50 years and older. These findings deserve to be confirmed by prospective cohort studies.</div></div>","PeriodicalId":50066,"journal":{"name":"Journal of Renal Nutrition","volume":"35 2","pages":"Pages 311-318"},"PeriodicalIF":3.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142640143","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}
引用次数: 0
Dietary Needs, Barriers, and Facilitators Among Patients on Hemodialysis and Their Caregivers: The GoodRENal Project in Spain 血液透析患者及其护理人员的饮食需求、障碍和促进因素:西班牙 GoodRENal 项目。
IF 3.4 3区 医学 Q2 NUTRITION & DIETETICS Pub Date : 2025-03-01 DOI: 10.1053/j.jrn.2024.08.005
Marina Padial MSc , Carla Maria Avesani PhD , Alicia García-Testal MD, PhD , Alicia Cana-Poyatos MSc , Bengt Lindholm MD, PhD , Eva Segura-Ortí PhD

Objective

Dietary restrictions are common in patients undergoing hemodialysis (HD). These restrictions result in a complex diet that becomes difficult for patients to understand and to follow. Therefore, we aimed to identify dietary needs, barriers, and facilitators that influence the adherence to dietary recommendations as perceived by patients on HD and their caregivers.

Methods

Seventy-two Spanish patients on HD and 57 caregivers participated in this explorative study by replying a questionnaire consisting of 20 and 10 questions respectively. The responses were assessed using a Likert scale varying from 1 to 5 (strongly agree, agree, neither disagree or disagree, disagree, strongly disagree, respectively) to evaluate the perception of patients and caregivers regarding dietary needs, barriers, and facilitators to adhere to the recommended diet. For analysis purposes, the responses were grouped in 3 categories (agree, neither agree or disagree, disagree).

Results

Seventy percent of the patients agreed that knowing the food sources of potassium, protein and phosphate was a need for them to know to be able to adhere to the dietary recommendations. Moreover, patients stated that not being able to eat what they liked, and feeling thirsty, were important barriers. For caregivers, the support of a renal dietitian was mentioned as an important facilitator to assist those they cared for to adhere to the diet.

Conclusions

Knowing food sources of potassium, phosphate, and protein, exploring foods patients like to eat and adjusting fluid intake to avoid feeling thirsty were identified as important by the patients. These findings can be used to develop strategies and educational material to improve the dietary adherence in patients undergoing HD. Moreover, the presence of a renal dietitian was identified as an important resource by the caregivers.
目的:血液透析(HD)患者普遍存在饮食限制。这些限制导致患者饮食复杂,难以理解和遵循。因此,我们旨在确定血液透析患者及其护理人员的饮食需求,以及影响他们遵守饮食建议的障碍和促进因素:72名西班牙血液透析患者和57名护理人员参与了这项探索性研究,他们分别回答了由20个和10个问题组成的调查问卷。问卷采用 1-5 级李克特量表(分别为 "非常同意"、"同意"、"既不同意也不反对"、"不同意"、"非常不同意")进行评估,以评价患者和护理人员对饮食需求、坚持推荐饮食的障碍和促进因素的看法。为便于分析,将回答分为三类(同意、既不同意也不不反对、不同意):结果:70%的患者同意,了解钾、蛋白质和磷酸盐的食物来源是他们遵守饮食建议的必要条件。此外,患者还表示,不能吃自己喜欢的东西和感到口渴是重要的障碍。对于护理人员来说,肾脏营养师的支持被认为是帮助他们所护理的人坚持饮食的重要促进因素:患者认为,了解钾、磷酸盐和蛋白质的食物来源、探索患者喜欢吃的食物以及调整液体摄入量以避免感到口渴非常重要。这些发现可用于制定策略和编写教材,以提高接受 HD 治疗的患者的饮食依从性。此外,护理人员认为肾脏营养师的存在是一项重要资源。
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引用次数: 0
Assessment Criteria to Diagnose Malnutrition (Undernutrition and Overnutrition) in Hemodialysis Patients 诊断血液透析患者营养不良(营养不足和营养过剩)的评估标准。
IF 3.4 3区 医学 Q2 NUTRITION & DIETETICS Pub Date : 2025-03-01 DOI: 10.1053/j.jrn.2024.08.003
Ghumayra Aziz MD , Zarina Ebrahim PhD , Nazeema Esau BSc , Meseret M. Bazezew MSc

Objective

This study aimed to determine if adapted Global Leadership Initiative on Malnutrition (GLIM) criteria can diagnose overnutrition, in addition to undernutrition, in hemodialysis patients. Additionally, it compared the adapted GLIM criteria with the subjective global assessment (SGA) for diagnosing undernutrition.

Methods

A cross-sectional, descriptive study design with an analytical component was utilized. An interviewer-administered questionnaire was completed with 116 adult participants from 2 public renal units in Cape Town. Data collection included demographic, medical, and anthropometric information, incorporating the established SGA tool and the adapted GLIM criteria.

Results

Of the participants, 58% were female, with a mean age of 41.04 years (SD 10.6). The primary causes of renal failure were hypertension (38%) and glomerular disease (33%). The median weight was 64.74 kg (IQR 16.4), and the mean body mass index (BMI) was 25.44 kg/m2 (SD 4.66). The prevalence of obesity was 20%, and undernutrition was 4% by BMI. Participants from Groote Schuur Hospital had a higher mean BMI (26.40, SD 4.9) than those from Tygerberg Hospital (P = .0033). Abdominal obesity prevalence was 51%, with a mean waist circumference of 87.06 cm (SD 11.37). Using SGA parameters, undernutrition prevalence was 26%, with all classified as SGA-B, compared to 22% by adapted GLIM. Adapted GLIM classified 69.83% as malnourished (overnutrition 47% and undernutrition 22%). For undernutrition, the adapted GLIM had a sensitivity of 75% (CI 64.04, 85.96), specificity of 77.78% (CI 67.26, 88.3), positive predictive value of 69.23% (CI 57.55, 80.91), and negative predictive value of 82.35% (CI 72.71, 92.00). Among those diagnosed with overnutrition by adapted GLIM, 89% were classified as well-nourished by SGA.

Conclusion

The adapted GLIM criteria effectively assessed overnutrition as well as undernutrition in hemodialysis patients. It identified a significant proportion of patients misclassified as well-nourished by SGA who were actually overnourished. The adapted GLIM showed good sensitivity and specificity for diagnosing undernutrition in this population.
目的:本研究旨在确定改编后的营养不良问题全球领导力倡议(GLIM)标准除了能诊断血液透析患者的营养不良外,是否还能诊断营养过剩。此外,该研究还将改编后的 GLIM 标准与用于诊断营养不良的主观全面评估 (SGA) 进行了比较:方法:采用横断面描述性研究设计,并包含分析部分。来自开普敦两家公立肾脏病医院的 116 名成年参与者填写了由访问者主持的调查问卷(IAQ)。数据收集包括人口统计学、医学和人体测量学信息,并结合了既定的 SGA 工具和经调整的 GLIM 标准:结果:58%的参与者为女性,平均年龄为 41.04 岁(标准差 10.6)。肾功能衰竭的主要原因是高血压(38%)和肾小球疾病(33%)。中位体重为 64.74 千克(IQR 16.4),平均体重指数为 25.44 千克/平方米(标清 4.66)。肥胖率为 20%,营养不良率为 4%。来自格罗特舒尔医院(GSH)的参与者的平均体重指数(26.40,标差4.9)高于来自泰格贝格医院(TBH)的参与者(P=0.0033)。腹部肥胖率为 51%,平均腰围为 87.06 厘米(标清 11.37)。使用 SGA 参数,营养不良发生率为 26%,全部归类为 SGA-B,而使用改编 GLIM 则为 22%。经调整的 GLIM 将 69.83% 的人归类为营养不良(营养过剩 47%,营养不良 22%)。对于营养不良,改良版 GLIM 的灵敏度为 75% (CI 64.04, 85.96),特异度为 77.78% (CI 67.26, 88.3),阳性预测值为 69.23% (CI 57.55, 80.91),阴性预测值为 82.35% (CI 72.71, 92.00)。在根据改良版 GLIM 诊断为营养过剩的患者中,89% 的人根据 SGA 被归类为营养良好:结论:改良版 GLIM 标准可有效评估血液透析患者的营养过剩和营养不良情况。在被 SGA 误判为营养良好的患者中,有相当一部分实际上营养过剩。改良后的 GLIM 在诊断该人群的营养不良方面显示出良好的灵敏度和特异性。
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Journal of Renal Nutrition
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