Hayne Cho Park, Do Hyoung Kim, AJin Cho, Bo Yeon Kim, Miri Lee, Gui Ok Kim, Jinseog Kim, Young-Ki Lee
{"title":"Remaining life expectancy of Korean hemodialysis patients: how much longer can they live?","authors":"Hayne Cho Park, Do Hyoung Kim, AJin Cho, Bo Yeon Kim, Miri Lee, Gui Ok Kim, Jinseog Kim, Young-Ki Lee","doi":"10.23876/j.krcp.23.241","DOIUrl":"10.23876/j.krcp.23.241","url":null,"abstract":"<p><strong>Background: </strong>Hemodialysis (HD) patients have a higher mortality rate compared to the general population. However, no study has investigated life expectancy in Korean HD patients so far. Therefore, this study aimed to calculate the remaining life expectancy among Korean maintenance HD patients and compare it to those of the general population as well as HD patients from other countries.</p><p><strong>Methods: </strong>Baseline data were retrieved from HD quality assessment data from 2015. Among the patients over 30 years old who were alive at the beginning of 2016 (20,304 males and 14,264 females), a total of 22,078 (12,621 males and 9,457 females) were still alive at the end of 2021 while 12,490 (7,683 males and 4,807 females) were deceased during 6 years of follow-up. We used the life table method to calculate the expected remaining years of life in 2-year increments.</p><p><strong>Results: </strong>The remaining life expectancies for 60-year-old patients were 11.64 years for males and 14.64 years for females. The average remaining life expectancies of the HD population were only about half of the general population. Diabetic patients demonstrated shorter life expectancy compared to patients with hypertension or glomerulonephritis. The remaining life expectancy of Korean HD patients was similar to that of Japanese and was almost double that of HD patients in Western countries such as Europe and the United States.</p><p><strong>Conclusion: </strong>The HD population shows a shorter life expectancy compared to the general population. Longitudinal analysis should be warranted to analyze the effect of advanced dialysis technology on improved survival rates among the HD population.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":"671-679"},"PeriodicalIF":2.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11467359/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139931735","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}
Eujin Park, Sang Woon Kim, Su Jin Kim, Minki Baek, Yo Han Ahn, Eun Mi Yang, Myung Hyun Cho, Hyun Kyung Lee, Kyoung Hee Han, Yae Lim Kim, Miyoung Choi, Hee Gyung Kang, Jin-Soon Suh
{"title":"Asymptomatic hematuria in children: Korean Society of Pediatric Nephrology recommendations for diagnosis and management.","authors":"Eujin Park, Sang Woon Kim, Su Jin Kim, Minki Baek, Yo Han Ahn, Eun Mi Yang, Myung Hyun Cho, Hyun Kyung Lee, Kyoung Hee Han, Yae Lim Kim, Miyoung Choi, Hee Gyung Kang, Jin-Soon Suh","doi":"10.23876/j.krcp.23.231","DOIUrl":"10.23876/j.krcp.23.231","url":null,"abstract":"<p><p>Hematuria is a relatively common condition among school-aged children. Because international guidelines for asymptomatic hematuria in children are unavailable, developing practical guidelines for the diagnosis and management of asymptomatic hematuria based on scientific evidence while considering real-world practice settings, values, and patient and physician preferences is essential. The Korean Society of Pediatric Nephrology developed clinical guidelines to address key questions regarding the diagnosis and management of asymptomatic hematuria in children.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":"565-574"},"PeriodicalIF":2.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11467358/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140912498","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":"The current state of life expectancy of hemodialysis patients in Korea.","authors":"Seyoung Ryou, Hye Eun Yoon","doi":"10.23876/j.krcp.24.099","DOIUrl":"10.23876/j.krcp.24.099","url":null,"abstract":"","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":"562-564"},"PeriodicalIF":2.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11467356/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141457740","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}
Hyo Jeong Kim, Eunji Yang, Hee Byung Koh, Jong Hyun Jhee, Hyeong Cheon Park, Hoon Young Choi
{"title":"Cardiac and kidney outcomes after sacubitril-valsartan therapy: recovery of cardiac function relative to kidney function decline.","authors":"Hyo Jeong Kim, Eunji Yang, Hee Byung Koh, Jong Hyun Jhee, Hyeong Cheon Park, Hoon Young Choi","doi":"10.23876/j.krcp.24.021","DOIUrl":"10.23876/j.krcp.24.021","url":null,"abstract":"<p><strong>Background: </strong>Sacubitril-valsartan reduces the risk of cardiovascular mortality among patients with heart failure with reduced ejection fraction (HFrEF). However, its long-term protective effects on cardiac function with concurrent acute kidney injury (AKI) remain unclear. This study investigated the recovery of cardiac function relative to kidney function decline.</p><p><strong>Methods: </strong>A total of 512 patients with HFrEF who started sacubitril-valsartan or valsartan treatment were enrolled in cohort 1. Additionally, patients who experienced AKI and underwent follow-up transthoracic echocardiography were enrolled in cohort 2. In cohort 1, short- and long-term kidney outcomes were analyzed. For cohort 2, changes in cardiac function in relation to changes in kidney function after drug initiation were analyzed.</p><p><strong>Results: </strong>The mean age of the patients was 68.3 ± 15.1 years, and 57.4% of the patients were male. AKI occurred in 15.9% of the sacubitril-valsartan group and 12.5% of the valsartan group. After AKI, 78.4% of patients in the sacubitril-valsartan group and 71.4% of those in the valsartan group underwent recovery. Furthermore, cardiovascular outcomes in patients who developed AKI after drug initiation were analyzed in cohort 2. The sacubitril-valsartan group showed a greater improvement in cardiac function compared with the valsartan group (12.4% ± 15.4% vs. 1.4% ± 5.7%, p = 0.046). The ratio of deltas of cardiac and kidney function in the sacubitril-valsartan and valsartan groups were -1.76 ± 2.58 and -0.20 ± 0.58, respectively (p = 0.03).</p><p><strong>Conclusion: </strong>Patients with HFrEF treated with sacubitril-valsartan exhibited significant improvements in cardiovascular outcomes despite AKI.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":"43 5","pages":"614-625"},"PeriodicalIF":2.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11467369/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142400648","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}
Lu Rong, Huanzhou Xue, Jianwei Hao, Jianjun Liu, Hao Xu
{"title":"Long non-coding RNA MEG3 silencing weakens high glucose-induced mesangial cell injury by decreasing LIN28B expression by sponging and sequestering miR-23c.","authors":"Lu Rong, Huanzhou Xue, Jianwei Hao, Jianjun Liu, Hao Xu","doi":"10.23876/j.krcp.23.090","DOIUrl":"10.23876/j.krcp.23.090","url":null,"abstract":"<p><strong>Background: </strong>Diabetic nephropathy (DN) is a common kidney disease in diabetic patients. Long non-coding RNA maternally expressed gene 3 (MEG3) and microRNA (miR)-23c are reported to be implicated in DN development. Nevertheless, it is unclear that the molecular mechanism between MEG3 and miR-23c in DN remains unclear.</p><p><strong>Methods: </strong>Human mesangial cells (HMCs) were treated with high glucose (HG) to simulate the DN status in vitro. Expression of MEG3 and miR-23c was measured. Effects of MEG3 silencing on HG-stimulated HMC injury were determined. The relationship between MEG3 and miR-23c was verified by the dual-luciferase reporter and RNA immunoprecipitation assays.</p><p><strong>Results: </strong>MEG3 was overexpressed in serums from DN patients and HG-stimulated HMCs. MEG3 knockdown weakened HG-stimulated HMC proliferation, extracellular matrix (ECM) accumulation, and inflammation. MEG3 regulated lin-28 homolog B (LIN28B) expression through adsorbing miR-23c. MiR-23c inhibitor reversed MEG3 knockdown-mediated effects on HG-stimulated HMC proliferation, ECM accumulation, and inflammation. LIN28B overexpression overturned miR-23c mimic-mediated effects on HG-stimulated HMC proliferation, ECM accumulation, and inflammation.</p><p><strong>Conclusion: </strong>MEG3 regulated HMC injury via regulation of the miR-23c/LIN28B axis in DN, which can help us better understand the mechanism of DN mediated by MEG3.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":"600-613"},"PeriodicalIF":2.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11467368/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139040208","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":"Air pollution can affect kidney disease? Scientific evidence from epidemiology to experimental studies.","authors":"Jiwoo Park, Whanhee Lee","doi":"10.23876/j.krcp.24.103","DOIUrl":"10.23876/j.krcp.24.103","url":null,"abstract":"","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":"559-561"},"PeriodicalIF":2.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11467364/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142009022","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}
Ji-Young Choi, Ho Jun Chin, Hajeong Lee, Yena Jeon, Jeong-Hoon Lim, Hee-Yeon Jung, Jang-Hee Cho, Chan-Duck Kim, Yong-Lim Kim, Sun-Hee Park
{"title":"Effect of immunosuppressive agents on clinical outcomes in idiopathic membranous nephropathy.","authors":"Ji-Young Choi, Ho Jun Chin, Hajeong Lee, Yena Jeon, Jeong-Hoon Lim, Hee-Yeon Jung, Jang-Hee Cho, Chan-Duck Kim, Yong-Lim Kim, Sun-Hee Park","doi":"10.23876/j.krcp.22.255","DOIUrl":"10.23876/j.krcp.22.255","url":null,"abstract":"<p><strong>Background: </strong>Few comparative studies on the effects of immunosuppressants in patients with idiopathic membranous nephropathy have been conducted.</p><p><strong>Methods: </strong>Data from 489 patients who received conservative treatment or immunosuppressants were retrospectively analyzed by propensity score matching. Primary outcomes were complete or partial remission (CR or PR) of proteinuria, and secondary outcomes were renal survival and infection.</p><p><strong>Results: </strong>Of the 489 patients, 357 (73.0%) received immunosuppressants. Propensity score matching identified 82 patients from the conservative group and 82 patients in the immunosuppressant group. CR or PR at 12 months was significantly higher in the immunosuppressant group compared with the conservative group for the total population (p = 0.002) and the propensity score-matched population (p = 0.02). The use of immunosuppressants was significantly more effective with respect to achieving a CR or PR at 12 months in patients who were aged <65 years or female, or who had a proteinuria level of ≥4.0 g/g or an estimated glomerular filtration rate of ≥60 mL/min/1.73 m2 (p < 0.05). Renal survival was similar between patients receiving immunosuppressants and conservative treatment in both the total and matched populations. The immunosuppressant group (21.8%) had a significantly higher incidence of infections compared with the conservative group (13.6%) for the total population (p = 0.03), but statistical significance disappeared in the matched population (p > 0.99).</p><p><strong>Conclusion: </strong>The remission rate was significantly higher in the immunosuppressant group than in the conservative group, particularly in the subgroup of patients who were young or female, or those with heavy proteinuria loads or good renal function.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":"635-647"},"PeriodicalIF":2.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11467357/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41132358","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}
Yoko Narasaki, Man Kit Siu, Matthew Nguyen, Kamyar Kalantar-Zadeh, Connie M Rhee
{"title":"Personalized nutritional management in the transition from non-dialysis dependent chronic kidney disease to dialysis.","authors":"Yoko Narasaki, Man Kit Siu, Matthew Nguyen, Kamyar Kalantar-Zadeh, Connie M Rhee","doi":"10.23876/j.krcp.23.142","DOIUrl":"10.23876/j.krcp.23.142","url":null,"abstract":"<p><p>Dialysis has been the dominant treatment regimen in end-stage kidney disease as a means to remove uremic waste products and to maintain electrolyte, acid base, and fluid balance. However, given that dialysis may not always provide a survival benefit nor improved quality of life in certain subpopulations, there is growing recognition of the need for conservative and preservative management as an alternative treatment strategy for advanced chronic kidney disease (CKD). Personalized nutritional management tailored to patient's sociodemographics, social needs, psychological status, health literacy level, and preferences is a key component of conservative and preservative care, as well as in the management of patients transitioning from non-dialysis dependent CKD to dialysis. In this review, we discuss the nutritional and metabolic alterations that ensue in CKD; the rationale for low-protein diets in the conservative and preservative management of advanced CKD; the role of plant-based diets in kidney health; emerging data on dietary potassium and sodium intake on CKD outcomes; and the practical implementation of dietary interventions in advanced kidney disease.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":"575-585"},"PeriodicalIF":2.9,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11467355/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140912452","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}
Dabin Kim, Yo Han Ahn, Eunjeong Kang, Hajeong Lee, Min Hyun Cho, Hee Gyung Kang, Ji Hyun Kim
{"title":"Investigation of current clinical practices and perceptions of patients and caregivers regarding Alport syndrome in South Korea.","authors":"Dabin Kim, Yo Han Ahn, Eunjeong Kang, Hajeong Lee, Min Hyun Cho, Hee Gyung Kang, Ji Hyun Kim","doi":"10.23876/j.krcp.23.260","DOIUrl":"https://doi.org/10.23876/j.krcp.23.260","url":null,"abstract":"<p><strong>Background: </strong>Alport syndrome (AS) is a highly prevalent inherited kidney disease. Early diagnosis and intervention are crucial for improved kidney outcomes. This study evaluated awareness among Korean clinicians about AS and assessed the understanding of AS patients and caregivers.</p><p><strong>Methods: </strong>An online survey targeting registered members of the Korean Society of Nephrology, the Korean Society of Pediatric Nephrology, AS patients, and their caregivers was conducted from January to April 2023.</p><p><strong>Results: </strong>Out of 103 respondents, most had treated fewer than 10 AS patients. For certain kidney diseases, such as chronic kidney disease of unknown origin and focal segmental glomerulosclerosis, half or fewer considered AS as a potential diagnosis. Only half preferred immediate confirmation tests for suspected AS. Genetic testing was available at half of the medical centers, and fewer than half of the adult nephrologists considered genetic testing to be essential. While all the surveyed nephrologists would prescribe renin-angiotensin system blockade, the majority hesitated to initiate treatment. Vigilant genetic testing for donor candidates was not a common practice. While 80% of patients and 50% of caregivers understood the nature and prognosis of AS, they regretted the delayed diagnoses, insufficient explanations, and the absence of support groups.</p><p><strong>Conclusion: </strong>Not rarely, AS patients may have been unrecognized as AS. Despite the noteworthy advancement of AS, the recent guidelines have not been widely adopted in clinical practice in Korea. Considering the challenges in Korea, there is an urgent need for locally tailored clinical practice recommendations and a dedicated registry to optimize patient outcomes.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142391566","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":"Pathological diagnosis of Alport syndrome.","authors":"Kyoung Bun Lee, Minsun Jung, Beom Jin Lim","doi":"10.23876/j.krcp.24.063","DOIUrl":"https://doi.org/10.23876/j.krcp.24.063","url":null,"abstract":"<p><p>Alport syndrome (AS) is a hereditary nephritis characterized by structural abnormalities in the glomerular basement membrane resulting from pathogenic variants in the COL4A3, COL4A4, and COL4A5 genes. Conventional pathological evaluations reveal nonspecific light microscopic changes and diagnostic clues can be obtained through electron microscopy. Type IV collagen staining elucidates distinct patterns based on AS inheritance, aiding in subtype classification. However, limitations arise, particularly in autosomal dominant cases. Genetic testing, particularly next-generation sequencing, gains prominence due to its ability to identify diverse mutations within COL4A3, COL4A4, and COL4A5.</p>","PeriodicalId":17716,"journal":{"name":"Kidney Research and Clinical Practice","volume":" ","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142391569","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}