Renal Failure最新文献

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LPS-induced senescence of macrophages aggravates calcification and senescence of vascular smooth muscle cells via IFITM3. LPS 诱导的巨噬细胞衰老会通过 IFITM3 加剧血管平滑肌细胞的钙化和衰老。
IF 3 3区 医学
Renal Failure Pub Date : 2024-12-01 Epub Date: 2024-07-08 DOI: 10.1080/0886022X.2024.2367708
Ya-Ping Fang, Xin Yang, Ying Zhang, Xiao-Dong Zhu, Xiao-Xu Wang, Yan Liu, Wen Shi, Jia-Yi Huang, Yu Zhao, Xiao-Liang Zhang
{"title":"LPS-induced senescence of macrophages aggravates calcification and senescence of vascular smooth muscle cells via IFITM3.","authors":"Ya-Ping Fang, Xin Yang, Ying Zhang, Xiao-Dong Zhu, Xiao-Xu Wang, Yan Liu, Wen Shi, Jia-Yi Huang, Yu Zhao, Xiao-Liang Zhang","doi":"10.1080/0886022X.2024.2367708","DOIUrl":"10.1080/0886022X.2024.2367708","url":null,"abstract":"<p><strong>Background: </strong>Cellular senescence, macrophages infiltration, and vascular smooth muscle cells (VSMCs) osteogenic transdifferentiation participate in the pathophysiology of vascular calcification in chronic kidney disease (CKD). Senescent macrophages are involved in the regulation of inflammation in pathological diseases. In addition, senescent cells spread senescence to neighboring cells via Interferon-induced transmembrane protein3 (IFITM3). However, the role of senescent macrophages and IFITM3 in VSMCs calcification remains unexplored.</p><p><strong>Aims: </strong>To explore the hypothesis that senescent macrophages contribute to the calcification and senescence of VSMCs via IFITM3.</p><p><strong>Methods: </strong>Here, the macrophage senescence model was established using Lipopolysaccharides (LPS). The VSMCs were subjected to supernatants from macrophages (MCFS) or LPS-induced macrophages (LPS-MCFS) in the presence or absence of calcifying media (CM). Senescence-associated β-galactosidase (SA-β-gal), Alizarin red (AR), immunofluorescent staining, and western blot were used to identify cell senescence and calcification.</p><p><strong>Results: </strong>The expression of IFITM3 was significantly increased in LPS-induced macrophages and the supernatants. The VSMCs transdifferentiated into osteogenic phenotype, expressing higher osteogenic differentiation markers (RUNX2) and lower VSMCs constructive makers (SM22α) when cultured with senescent macrophages supernatants. Also, senescence markers (p16 and p21) in VSMCs were significantly increased by senescent macrophages supernatants treated. However, IFITM3 knockdown inhibited this process.</p><p><strong>Conclusions: </strong>Our study showed that LPS-induced senescence of macrophages accelerated the calcification of VSMCs <i>via</i> IFITM3. These data provide a new perspective linking VC and aging, which may provide clues for diagnosing and treating accelerated vascular aging in patients with CKD.</p>","PeriodicalId":20839,"journal":{"name":"Renal Failure","volume":"46 2","pages":"2367708"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11232647/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141555407","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}
引用次数: 0
The correlation between anti-phospholipase A2 receptor antibodies and hypercoagulability in patients with idiopathic membranous nephropathy. 特发性膜性肾病患者体内抗磷脂酶 A2 受体抗体与高凝状态之间的相关性。
IF 3 3区 医学
Renal Failure Pub Date : 2024-12-01 Epub Date: 2024-07-08 DOI: 10.1080/0886022X.2024.2374448
Yunyun Liu, Yujie Tang, Wei-Bo Le, Dacheng Chen, Dandan Liang, Feng Xu, Shaoshan Liang, Yongzhong Zhong, Caihong Zeng
{"title":"The correlation between anti-phospholipase A2 receptor antibodies and hypercoagulability in patients with idiopathic membranous nephropathy.","authors":"Yunyun Liu, Yujie Tang, Wei-Bo Le, Dacheng Chen, Dandan Liang, Feng Xu, Shaoshan Liang, Yongzhong Zhong, Caihong Zeng","doi":"10.1080/0886022X.2024.2374448","DOIUrl":"10.1080/0886022X.2024.2374448","url":null,"abstract":"<p><strong>Background: </strong>Patients with idiopathic membranous nephropathy (IMN) are more likely to be complicated by venous thromboembolism (VTE). The aim of the study was to investigate the potential association between anti-phospholipase A2 receptor (PLA2R) antibodies and hypercoagulability in patients with IMN.</p><p><strong>Methods: </strong>A total of 168 patients with biopsy-proven IMN and 36 patients with biopsy-proven minimal change disease (MCD) were enrolled in this study. The clinical data, serum anti-PLA2R antibodies and coagulation-related indices of the patients were retrospectively analyzed.</p><p><strong>Results: </strong>Patients with IMN were categorized into glomerular PLA2R staining-positive (GAg+) IMN group and glomerular PLA2R staining-negative (GAg-) IMN group in the study. Patients with IMN who were GAg + had lower PT, APTT and R time than patients with IMN who were GAg-, while the CI value was higher in patients with IMN who were GAg+. Patients with IMN who were GAg + were divided into the SAb+/GAg + group and the SAb-/GAg + group. Patients with IMN who were SAb+/GAg + had higher Fib and MA values than patients with IMN who were SAb-/GAg+. Correlation analysis showed that serum anti-PLA2R antibodies were positively correlated with fibrinogen, D-dimer, K time, CI value, α-angle, and MA value. Multiple linear regression analysis indicated that anti-PLA2R antibodies were independently correlated with fibrinogen and MA value.</p><p><strong>Conclusion: </strong>Our study provides a new perspective on the underlying mechanisms of hypercoagulability in patients with IMN. Anti-PLA2R antibodies are associated with hypercoagulability in patients with IMN and may affect coagulation in patients with IMN by affecting platelet aggregation function and fibrinogen counts.</p>","PeriodicalId":20839,"journal":{"name":"Renal Failure","volume":"46 2","pages":"2374448"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11232635/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141555408","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}
引用次数: 0
Association between hydration status and the risk and all-cause mortality of diabetic kidney disease. 水合状态与糖尿病肾病的风险和全因死亡率之间的关系。
IF 3 3区 医学
Renal Failure Pub Date : 2024-12-01 Epub Date: 2024-08-07 DOI: 10.1080/0886022X.2024.2386154
Yayun He, Xia Wu, Yunhai Tang
{"title":"Association between hydration status and the risk and all-cause mortality of diabetic kidney disease.","authors":"Yayun He, Xia Wu, Yunhai Tang","doi":"10.1080/0886022X.2024.2386154","DOIUrl":"10.1080/0886022X.2024.2386154","url":null,"abstract":"<p><strong>Background: </strong>This cohort study aimed to explore the relationship between hydration status and the risk of diabetic kidney disease (DKD) as well as all-cause death in DKD patients.</p><p><strong>Methods: </strong>Weighted univariable and multivariable logistic regression models were used to explore the association between hydration status and DKD risk in diabetic population while weighted univariable and multivariable Cox regression models were used to identify the association between hydration status and all-cause mortality in DKD patients. Kaplan-Meier curve was plotted to present the survival probability of patients with different hydration status. Estimates were presented as odds ratio (OR), and hazard ratio (HR) with 95% confidence interval (CI).</p><p><strong>Results: </strong>The mean follow-up time was 79.74 (±1.89) months. There were 2041 participants with DKD, and 2889 participants without. At the end of the follow-up, 965 participants were alive. The risk of DKD was increased as the increase of osmolarity level (OR = 1.07, 95%CI: 1.05-1.08). The elevated risk of DKD was observed in patients with impending dehydration (OR = 1.49, 95%CI: 1.19-1.85) or current dehydration (OR = 2.69, 95%CI: 2.09-3.46). The association between increased osmolarty level and elevated risk of all-cause mortality in DKD patients was statistically different (HR = 1.02, 95%CI: 1.01-1.03). Current dehydration was correlated with increased all-cause mortality risk in DKD patients (HR = 1.27, 95%CI: 1.01-1.61). Compared to DKD patients with normal hydration, the survival probability of DKD patients with current dehydration was significant lower (<i>p</i> < 0.001).</p><p><strong>Conclusion: </strong>Increased osmolarity level was associated with increased risk of DKD and elevated risk of all-cause mortality in DKD patients.</p>","PeriodicalId":20839,"journal":{"name":"Renal Failure","volume":"46 2","pages":"2386154"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11308979/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141898065","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}
引用次数: 0
Survival rates in comprehensive conservative care compared to dialysis therapy in elderly end-stage kidney disease patients: a propensity score analysis. 老年终末期肾病患者综合保守治疗与透析治疗的存活率比较:倾向得分分析。
IF 3 3区 医学
Renal Failure Pub Date : 2024-12-01 Epub Date: 2024-08-30 DOI: 10.1080/0886022X.2024.2396448
Kajohnsak Noppakun, Apichat Tantraworasin, Jiraporn Khorana, Surapon Nochaiwong, Surachet Vongsanim, Phoom Narongkiatikhun, Karn Pongsuwan, Prit Kusirisin, Chalongrat Manoree, Chidchanok Ruengorn
{"title":"Survival rates in comprehensive conservative care compared to dialysis therapy in elderly end-stage kidney disease patients: a propensity score analysis.","authors":"Kajohnsak Noppakun, Apichat Tantraworasin, Jiraporn Khorana, Surapon Nochaiwong, Surachet Vongsanim, Phoom Narongkiatikhun, Karn Pongsuwan, Prit Kusirisin, Chalongrat Manoree, Chidchanok Ruengorn","doi":"10.1080/0886022X.2024.2396448","DOIUrl":"10.1080/0886022X.2024.2396448","url":null,"abstract":"<p><p>Initiating dialysis therapy in elderly patients with end-stage kidney disease (ESKD) is a challenging decision. We aimed to examine the mortality rates among elderly patients who underwent hemodialysis, peritoneal dialysis, or comprehensive conservative care. This retrospective cohort study included elderly patients (≥70 years) with ESKD who selected their treatment options from January 2008 to December 2018. Patients were categorized into three groups: hemodialysis, peritoneal dialysis, and comprehensive conservative care. The outcome of interest was all-cause mortality analyzed using flexible parametric survival models. Propensity score analysis with inverse probability treatment weighting technique was performed, incorporating age, Charlson Comorbidity Index score, and estimated glomerular filtration rate. The study included 719 elderly ESKD patients with mean age of 78.2 ± 4.9 years, 52.3% were male, and 60.1% died during the median follow-up period of 22.1 months. In a fully adjusted model, patients receiving comprehensive conservative care (<i>n</i> = 50) had higher mortality rates than those receiving hemodialysis (<i>n</i> = 317) (adjusted hazard ratio [HR] 5.60; 95% CI 2.26-13.84, <i>p</i> < 0.001). However, patients who received peritoneal dialysis (<i>n</i> = 352) had a similar mortality rate when compared to those who received hemodialysis (adjusted HR 1.38; 95% CI 0.78-2.44, <i>p</i> = 0.275). The higher mortality rate in the comprehensive conservative care group remained significantly higher than in the hemodialysis group among patients aged ≥80 years (adjusted HR 4.97; 95% CI 1.32-18.80, <i>p</i> = 0.018). Among elderly patients (≥70 years), treatment with dialysis was associated with longer survival rates. This survival advantage persisted in patients aged ≥80 years who chose hemodialysis or peritoneal dialysis over comprehensive conservative care.</p>","PeriodicalId":20839,"journal":{"name":"Renal Failure","volume":"46 2","pages":"2396448"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11370684/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142111392","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}
引用次数: 0
A predictive model based on serum bicarbonate for cardiovascular events after initiation of peritoneal dialysis. 基于血清碳酸氢盐的腹膜透析后心血管事件预测模型。
IF 3 3区 医学
Renal Failure Pub Date : 2024-12-01 Epub Date: 2024-11-04 DOI: 10.1080/0886022X.2024.2422428
Dashan Li, Rongxue Liu, Xiangming Qi, Yonggui Wu
{"title":"A predictive model based on serum bicarbonate for cardiovascular events after initiation of peritoneal dialysis.","authors":"Dashan Li, Rongxue Liu, Xiangming Qi, Yonggui Wu","doi":"10.1080/0886022X.2024.2422428","DOIUrl":"10.1080/0886022X.2024.2422428","url":null,"abstract":"<p><strong>Background: </strong>The risk of cardiovascular events (CVEs) in peritoneal dialysis (PD) patients is high, but varies widely among individuals. Metabolic acidosis is prevalent in PD patients and may be involved in the development of CVEs. The aim of the study was to evaluate serum bicarbonate as a risk factor and derive a model of new CVE.</p><p><strong>Methods: </strong>A predictive model was established by performing an observational study in 187 PD patients obtained from the First Affiliated Hospital of Anhui Medical University. The variables were extracted using least absolute shrinkage and selection operator (LASSO) regression, and the modeling was developed using multivariable Cox regression.</p><p><strong>Results: </strong>Left ventricular hypertrophy (HR = 1.965, 95%CI 1.086-3.557) and history of CVEs (HR = 2.435, 95%CI 1.342-4.49) were risk parameters for a new CVE. Serum albumin (HR = 0.924, 95%CI 0.864-0.989) and bicarbonate levels (HR = 0.817, 95%CI 0.689-0.969) were protective parameters, in which the risk of CVEs was reduced by 7.6% and 18.3% for each 1-unit increase in serum albumin (g/L) and bicarbonate (mmol/L) levels, respectively. A nomogram based on the above predictive indicators was proposed with a <i>C</i>-statistic of 0.806, indicating good discrimination. Moreover, it successfully stratified patients into low-, intermediate-, and high-risk groups.</p><p><strong>Conclusions: </strong>We performed a risk prediction model for the development of CVEs in patients with PD, which may help physicians to evaluate the risk of new CVEs and provide a scientific basis for further interventions. Further studies are needed to externally validate current risk models before clinical application.</p>","PeriodicalId":20839,"journal":{"name":"Renal Failure","volume":"46 2","pages":"2422428"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11536655/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142568659","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}
引用次数: 0
Current status and development trends in CKD with frailty research from 2000 to 2021: a bibliometric analysis. 2000年至2021年虚弱性慢性肾功能衰竭研究的现状和发展趋势:文献计量分析。
IF 3 3区 医学
Renal Failure Pub Date : 2024-12-01 Epub Date: 2024-01-04 DOI: 10.1080/0886022X.2023.2292142
Guowei Yuan, Yaqin Yang, Yujie Lin, Jiarong Lin, Yuchi Wu
{"title":"Current status and development trends in CKD with frailty research from 2000 to 2021: a bibliometric analysis.","authors":"Guowei Yuan, Yaqin Yang, Yujie Lin, Jiarong Lin, Yuchi Wu","doi":"10.1080/0886022X.2023.2292142","DOIUrl":"10.1080/0886022X.2023.2292142","url":null,"abstract":"<p><strong>Introduction: </strong>The prevalence of chronic kidney disease (CKD) is gradually increasing in the elderly population. At the same time, frailty has become one of the research hotspots in the field of geriatrics. Bibliometric analyses help to understand the direction of a field. Therefore, this study aimed to analyze the status and emerging trends of frailty in CKD patients.</p><p><strong>Data and methods: </strong>The Web of Science Core Collection (WoSCC) database was screened for relevant literature published between 1 January 2000 and 31 December 2021. Next, publications were analyzed for information including authors, journals, cited references, citing journals, institutions, countries and regions, high-frequency keywords and co-citations using VOSviewer, Microsoft Excel, and R software.</p><p><strong>Results: </strong>A total of 2223 articles were obtained, from which 613 relevant articles were selected based on title and abstract screening. There was an upward trend in the number of annual publications and Johansen KL was considered the most contributing author in the field. The <i>Clinical Journal of the American Society of Nephrology</i> was the most productive research journal. Johns Hopkins University is the most published organization. The United States is the global leader in the field and contributes the most to research. Research hotspots focus on epidemiological studies of frailty and frailty intervention.</p><p><strong>Conclusions: </strong>This study presents a comprehensive bibliometric analysis of CKD and frailty research. Key findings highlight the current focus on early screening and assessment of frailty in CKD patients, as well as physical function interventions in frail patients.</p>","PeriodicalId":20839,"journal":{"name":"Renal Failure","volume":"46 1","pages":"2292142"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10773684/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139098488","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}
引用次数: 0
The relationship between dietary inflammatory index (DII) and early renal injury in population with/without hypertension: analysis of the National health and nutrition examination survey 2001-2002. 膳食炎症指数(DII)与高血压患者/非高血压患者早期肾损伤的关系:2001-2002 年全国健康与营养状况调查分析。
IF 3 3区 医学
Renal Failure Pub Date : 2024-12-01 Epub Date: 2024-01-04 DOI: 10.1080/0886022X.2023.2294155
Jingda Huang, Huimin Li, Xu Yang, Chuyue Qian, Yihui Wei, Mindan Sun
{"title":"The relationship between dietary inflammatory index (DII) and early renal injury in population with/without hypertension: analysis of the National health and nutrition examination survey 2001-2002.","authors":"Jingda Huang, Huimin Li, Xu Yang, Chuyue Qian, Yihui Wei, Mindan Sun","doi":"10.1080/0886022X.2023.2294155","DOIUrl":"10.1080/0886022X.2023.2294155","url":null,"abstract":"<p><strong>Background: </strong>Inflammation plays a crucial role in occurrence of kidney injury, and specific dietary patterns can influence systemic inflammation levels. However, the relationship between dietary inflammatory potential and early-stage kidney damage remains unclear.</p><p><strong>Method: </strong>2,108 participants was recruited from 2001-2002 National Health and Nutrition Examination Survey (NHANES). Dietary Inflammatory Index (DII) is utilized to assess dietary inflammatory potential, calculated through a 24-h dietary recall questionnaire. Early renal injury was evaluated using urinary albumin to creatinine (UACR), cystatin C (CysC), β-2 microglobulin (β2M), and estimated glomerular filtration rate (eGFR) based on serum creatinine (eGFRs), cystatin C (eGFRc), and both Scr and CysC (eGFRs&c). Participant characteristics were analyzed, and association between DII, hypertension, and early renal injury markers was explored using multiple linear and logistic regression models.</p><p><strong>Results: </strong>The average age of participants was 53.9 years. DII exhibited a positive correlation with UACR (β = -0.048[0.017,0.078]), β2M (β = 0.019[0.010,0.027]), CysC (β = 0.012 [0.004,0.021]). Conversely, a negative correlation was observed between DII and eGFRc (β = -1.126[-1.554, -0.699]), eGFRs&c (β=-1.101[-1.653, -0.549]). A significant association was observed between hypertension and abnormality of early kidney damage markers. Subgroup analysis reveals that the positive correlation between DII and the occurrence of abnormal markers of early kidney damage is only observed in individuals with hypertension. Furthermore, an interaction between DII and hypertension was detected in eGFRs&c (OR:1.250[1.042, 1.499], p for interaction = 0.03).</p><p><strong>Conclusion: </strong>Higher levels of DII may be associated with occurrence of early kidney damage. For individuals with hypertension, avoiding excessive consumption of pro-inflammatory foods may reduce the risk of renal injury.</p>","PeriodicalId":20839,"journal":{"name":"Renal Failure","volume":"46 1","pages":"2294155"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10773634/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139098505","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}
引用次数: 0
Research on the global trends of COVID-19 associated acute kidney injury: an updated bibliometric analysis. 关于 COVID-19 相关急性肾损伤全球趋势的研究:最新文献计量分析。
IF 3 3区 医学
Renal Failure Pub Date : 2024-12-01 Epub Date: 2024-11-20 DOI: 10.1080/0886022X.2024.2429690
Heng Bai, Si-Yang Liu, Jie Tian, Yu Li
{"title":"Research on the global trends of COVID-19 associated acute kidney injury: an updated bibliometric analysis.","authors":"Heng Bai, Si-Yang Liu, Jie Tian, Yu Li","doi":"10.1080/0886022X.2024.2429690","DOIUrl":"10.1080/0886022X.2024.2429690","url":null,"abstract":"","PeriodicalId":20839,"journal":{"name":"Renal Failure","volume":"46 2","pages":"2429690"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11580146/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142682521","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}
引用次数: 0
Evaluation of renal oxygenation and perfusion in patients with chronic kidney disease: a preliminary prospective study based on functional magnetic resonance. 评估慢性肾病患者的肾脏氧合和灌注:基于功能磁共振的初步前瞻性研究。
IF 3 3区 医学
Renal Failure Pub Date : 2024-12-01 Epub Date: 2024-11-25 DOI: 10.1080/0886022X.2024.2428337
Xinyue Zhang, Chaoyang Ye, Fang Lu, Jing Yang, Yizeng Xu, Chen Wang
{"title":"Evaluation of renal oxygenation and perfusion in patients with chronic kidney disease: a preliminary prospective study based on functional magnetic resonance.","authors":"Xinyue Zhang, Chaoyang Ye, Fang Lu, Jing Yang, Yizeng Xu, Chen Wang","doi":"10.1080/0886022X.2024.2428337","DOIUrl":"10.1080/0886022X.2024.2428337","url":null,"abstract":"<p><strong>Background: </strong>Renal hypoxia and ischemia significantly contribute to chronic kidney disease (CKD) progression, underscoring the need for noninvasive quantitative assessments. This study employs blood oxygenation level-dependent magnetic resonance imaging (BOLD-MRI) and arterial spin labeling (ASL) MRI to comprehensively evaluate renal oxygenation and blood flow in CKD patients.</p><p><strong>Methods: </strong>Forty-two CKD patients across stages 1-5 and ten healthy volunteers underwent simultaneous BOLD-MRI and ASL-MRI. We measured oxygenation (T2* values) and renal blood flow (RBF) in both the renal cortex and medulla, assessing their correlations with estimated glomerular filtration rate (eGFR) and other renal function indicators.</p><p><strong>Results: </strong>BOLD and ASL revealed higher oxygenation and RBF in the renal cortex than in the medulla. Across CKD stages 2-5, both cortical and medullary oxygenation levels, as well as RBF, were lower than those in the control group and progressively decreased with CKD advancement. Additionally, renal oxygenation and blood flow levels positively correlated with serum creatinine (SCr), cystatin C (Cys C), and blood urea nitrogen (BUN), and negatively correlated with estimated glomerular filtration rate (eGFR) (<i>p</i> < 0.001). However, no significant correlation was observed with uric acid (UA) (<i>p</i> > 0.05). Notably, patients with CKD stages 1-3 exhibited strong correlations between renal oxygenation levels, RBF, and eGFR, while those with CKD stages 4-5 displayed weak correlations.</p><p><strong>Conclusion: </strong>BOLD-MRI and ASL-MRI effectively measure renal oxygenation and perfusion noninvasively, confirming their utility in tracking CKD progression. These modalities provide accurate assessments of renal function and hypoxic-ischemic injuries across CKD stages, particularly in the early stages.</p>","PeriodicalId":20839,"journal":{"name":"Renal Failure","volume":"46 2","pages":"2428337"},"PeriodicalIF":3.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11590186/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142710947","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}
引用次数: 0
Research trends and frontiers on risk factors of urinary stones: a bibliometric analysis from 2010 to 2023. 泌尿系结石危险因素研究趋势与前沿:2010 - 2023年文献计量学分析
IF 3 3区 医学
Renal Failure Pub Date : 2024-12-01 Epub Date: 2024-12-16 DOI: 10.1080/0886022X.2024.2440513
Yongfu Zhong, Qing Zeng, Jiayou Yi, Tao Long, Juanwen Peng, Li Zhong
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