{"title":"Prognostic stratification in congenital abnormalities of the kidney and urinary tract: beyond the antenatal ultrasound.","authors":"Jiwon Jung","doi":"10.3339/ckd.26.019","DOIUrl":"10.3339/ckd.26.019","url":null,"abstract":"","PeriodicalId":524218,"journal":{"name":"Childhood kidney diseases","volume":"30 2","pages":"71-73"},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13587190/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149033056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Kidney health in VACTERL association: structural vulnerability and surveillance.","authors":"Yo Han Ahn","doi":"10.3339/ckd.26.012","DOIUrl":"10.3339/ckd.26.012","url":null,"abstract":"","PeriodicalId":524218,"journal":{"name":"Childhood kidney diseases","volume":"30 2","pages":"74-76"},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13587208/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149033054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Kidney injury molecule-1 as a biomarker of diabetic kidney disease in children with type 1 diabetes: a systematic review and quantitative synthesis.","authors":"Aristeidis Christakopoulos, Nikolaos Gkiourtzis, Anastasia Stoimeni, Assimina Galli-Tsinopoulou, Athanasios Christoforidis, Despoina Tramma","doi":"10.3339/ckd.25.035","DOIUrl":"10.3339/ckd.25.035","url":null,"abstract":"<p><p>Tubulointerstitial damage is a common diabetic kidney disease (DKD) complication caused by diabetes mellitus. However, many patients may not present with albuminuria or impaired glomerular filtration rate (GFR), making it difficult to detect kidney dysfunction. Kidney injury molecule-1 (KIM-1) is an emerging biomarker of early DKD, reflecting tubular injury before glomerular dysfunction. We explored the association between KIM-1 and DKD in children and adolescents with type 1 diabetes (T1D). We included 10 studies with 842 participants published between 2016 and 2025. A literature search of MEDLINE/PubMed, Cochrane Library, and Scopus was conducted from inception through January 5, 2026. The mean difference with a 95% confidence interval (CI) was calculated, and a <i>P</i>-value of <0.05 was considered statistically significant. A quality assessment of the included studies was conducted using the Newcastle-Ottawa Scale. In the meta-analysis of four studies, the urinary KIM-1 (uKIM-1)/creatinine ratio was elevated before changes in estimated GFR (95% CI, 0.02-0.48; <i>P</i>=0.03). This review suggests that uKIM-1/creatinine ratio and uKIM-1 may act as promising tubular biomarkers associated with early kidney injury in pediatric patients with T1D. However, further data are needed to clarify their role in pediatric DKD.</p>","PeriodicalId":524218,"journal":{"name":"Childhood kidney diseases","volume":"30 1","pages":"38-46"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13587184/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149033049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Microbiome and metabolomics insights into pediatric urinary tract infection: a narrative review.","authors":"Jung Won Lee","doi":"10.3339/ckd.26.003","DOIUrl":"10.3339/ckd.26.003","url":null,"abstract":"<p><p>Urinary tract infections (UTIs) are among the most common bacterial infections in infants and a significant cause of antibiotic exposure. Recent advances in culture-independent sequencing and improved urine culture techniques have revealed that urine contains resident microbial communities, collectively known as the urinary microbiome (urobiome). Additionally, emerging evidence supports the existence of a gut-bladder axis, where intestinal dysbiosis may lead to uropathogen colonization, immune modulation, and UTI recurrence. This review summarizes current pediatric research connecting alterations in the urinary and gut microbiomes to UTI susceptibility, recurrence, and clinical outcomes, specifically in infants. We also address the unique methodological challenges in pediatric urobiome research and outline future directions for applying microbiome and metabolomics insights to clinical practice.</p>","PeriodicalId":524218,"journal":{"name":"Childhood kidney diseases","volume":"30 1","pages":"33-37"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13587203/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149033050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lubna K P, Rehna K Rahman, Preetha Remesh, Manjula Anand, Nirmal Jayadevan, Divya Pachat
{"title":"Early genetic diagnosis of cystinosis before corneal crystal deposition: two case reports from South India.","authors":"Lubna K P, Rehna K Rahman, Preetha Remesh, Manjula Anand, Nirmal Jayadevan, Divya Pachat","doi":"10.3339/ckd.25.032","DOIUrl":"10.3339/ckd.25.032","url":null,"abstract":"<p><p>Cystinosis is a rare autosomal recessive lysosomal storage disorder with an incidence of approximately 1 in 100,000 to 200,000 live births. It is the most common cause of inherited pediatric Fanconi syndrome (FS). Here, we describe the cases of two infants from unrelated families who presented with polyuria and features of proximal renal tubular dysfunction. Although no corneal cystine deposition was observed at presentation, clinical suspicion and genetic analysis confirmed the diagnosis of nephropathic cystinosis. Both patients carried the same pathogenic variant in the <i>CTNS</i> gene, suggesting that it is a hotspot in this region. These patients were managed with oral cysteamine therapy, cysteamine eye drops, and supportive therapy for FS and are currently doing well. Genetic diagnosis plays a crucial role in the early detection of cystinosis, facilitating timely initiation of cysteamine therapy, and should be considered in infants with FS.</p>","PeriodicalId":524218,"journal":{"name":"Childhood kidney diseases","volume":"30 1","pages":"62-68"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13587223/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149033011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Correction to \"Tolvaptan: a possible preemptive treatment option in children with autosomal dominant polycystic kidney disease?\"","authors":"Hee Sun Baek, Min Hyun Cho","doi":"10.3339/ckd.23.021.c1","DOIUrl":"https://doi.org/10.3339/ckd.23.021.c1","url":null,"abstract":"<p><p>[This corrects the article on p. 76 in vol. 27.].</p>","PeriodicalId":524218,"journal":{"name":"Childhood kidney diseases","volume":"30 1","pages":"69"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13587173/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149033027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yo Han Ahn, Hee Gyung Kang, Jiyoung Song, Sangmi Han, Eujin Park, Jin-Soon Suh, Jeong Yeon Kim, Min Ji Park, Keum Hwa Lee, Seon Hee Lim, Kyeong Hun Shin, Hyunji Ko, Hyun Joo Lee, Eunyoung Jeong, Jinsu Kim, Sohyun Park, Eonju Choi, Yuri Seo, Kyooyung Oh, Jin Kyoung Kim, Hyun Kyung Lee
{"title":"Dietary management of pediatric patients with kidney disease: recommendations by the Korean Society of Pediatric Nephrology and the Korean Society of Clinical Nutrition.","authors":"Yo Han Ahn, Hee Gyung Kang, Jiyoung Song, Sangmi Han, Eujin Park, Jin-Soon Suh, Jeong Yeon Kim, Min Ji Park, Keum Hwa Lee, Seon Hee Lim, Kyeong Hun Shin, Hyunji Ko, Hyun Joo Lee, Eunyoung Jeong, Jinsu Kim, Sohyun Park, Eonju Choi, Yuri Seo, Kyooyung Oh, Jin Kyoung Kim, Hyun Kyung Lee","doi":"10.3339/ckd.25.034","DOIUrl":"10.3339/ckd.25.034","url":null,"abstract":"<p><p>Pediatric kidney disease has a relatively lower prevalence than do other pediatric conditions and has a notably different etiology from kidney diseases observed in adults. Furthermore, the pediatric population is unique in that they experience ongoing growth and development, distinguishing them from adult patients. Consequently, pediatric patients with kidney disease require more specialized and meticulous nutritional management than do adults. To address this need and promote optimal dietary practices for pediatric patients with kidney disease, pediatric nephrologists from the Korean Society of Pediatric Nephrology and nutritionists from the Korean Society of Clinical Nutrition have collaborated to establish nutritional guidelines specifically tailored to Korean dietary patterns. These guidelines offer detailed, nutrient-specific recommendations covering energy, protein, calcium, phosphorus, and potassium consumption while providing practical, culturally relevant guidance intended to support both pediatric patients and their caregivers.</p>","PeriodicalId":524218,"journal":{"name":"Childhood kidney diseases","volume":"30 1","pages":"4-14"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13587171/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149033032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Pediatric acute kidney injury: what do we know about etiology and recovery?","authors":"Jeesu Min","doi":"10.3339/ckd.26.001","DOIUrl":"10.3339/ckd.26.001","url":null,"abstract":"","PeriodicalId":524218,"journal":{"name":"Childhood kidney diseases","volume":"30 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13587189/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149033048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Autosomal dominant polycystic kidney disease in children and adolescents.","authors":"Eunji Mun, Hee Sun Baek","doi":"10.3339/ckd.25.041","DOIUrl":"10.3339/ckd.25.041","url":null,"abstract":"<p><p>Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary renal disorder and primarily arises from mutations in either the polycystic kidney disease 1 (<i>PKD1</i>) or 2 (<i>PKD2</i>) gene. Although traditionally categorized as an adult-onset disease, cystogenesis often begins in utero, and structural changes may become evident during childhood. Although most pediatric patients with ADPKD remain asymptomatic, hypertension occurs in 20%-40% of cases, and albuminuria may also be present. Both findings represent early, treatable manifestations that can significantly influence long-term prognosis. Ultrasonography is the preferred diagnostic modality; however, genetic testing is indicated in very-early-onset or atypical cases. The cornerstone of disease management is rigorous blood pressure control using renin-angiotensin system inhibitors, along with lifestyle modifications such as sodium restriction and adequate hydration. Early diagnosis and intervention are essential for optimizing long-term clinical outcomes in pediatric patients with ADPKD. This study aimed to provide a comprehensive review of the genetics, pathophysiology, clinical manifestations, diagnosis, treatment, and future management of pediatric ADPKD.</p>","PeriodicalId":524218,"journal":{"name":"Childhood kidney diseases","volume":"30 1","pages":"24-32"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13587221/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149032973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Prevalence of corticosteroid-induced cataracts in children with nephrotic syndrome: a cross-sectional study in Pakistan.","authors":"Saima Kashif, Khemchand N Moorani","doi":"10.3339/ckd.25.036","DOIUrl":"10.3339/ckd.25.036","url":null,"abstract":"<p><strong>Purpose: </strong>Idiopathic nephrotic syndrome (NS) often necessitates prolonged or repeated corticosteroid treatment, which increases the risk for steroid-induced posterior subcapsular cataract (SI-PSC). Previous research on its burden remains limited. Here, we aimed to determine the prevalence and predictive risk factors of SI-PSC in children with NS.</p><p><strong>Methods: </strong>This cross-sectional study was conducted in the Pediatric Nephrology Department of The Kidney Centre, Karachi, Pakistan, from October 2023 to October 2025. The study included 150 children with NS, aged 2-16 years, who had received oral prednisolone for more than 6 months. Demographic and clinical information were collected through caregiver interviews and medical record review. All participants underwent a detailed slit-lamp examination by the same ophthalmologist. Associations between cataract formation and demographic or treatment-related variables were analyzed statistically. A <i>P</i>-value of ≤0.05 was considered significant.</p><p><strong>Results: </strong>Cataracts were detected in 23 children (15.3%). Most patients had early lenticular changes, but only two required surgical intervention. Other ocular abnormalities were uncommon (4.7%). Cataracts occurred more frequently in males and in children younger than 10 years. Cumulative corticosteroid doses were nearly identical in patients with and without cataracts. Children with frequently relapsing NS accounted for the highest proportion of those with SI-PSC. Systemic hypertension was the adverse effect most strongly associated with cataract development.</p><p><strong>Conclusions: </strong>SI-PSC is a notable complication in children receiving long-term corticosteroid therapy. Our findings underscore the importance of routine ophthalmologic screening. Individual susceptibility, including potential genetic factors, might play a role in cataract development and warrant further investigation.</p>","PeriodicalId":524218,"journal":{"name":"Childhood kidney diseases","volume":"30 1","pages":"47-53"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13587215/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149033053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}