Glomerular diseases最新文献

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Double Trouble in the Basement! A Case of PLA2R-Associated Membranous Nephropathy with Atypical Anti-Glomerular Basement Membrane Disease. 地下室的双重麻烦!pla2r相关性膜性肾病合并非典型抗肾小球基底膜病1例。
Glomerular diseases Pub Date : 2024-11-27 eCollection Date: 2025-01-01 DOI: 10.1159/000542859
Renuka Tolani, Steffi Sathiyaraj, David Lyu, Luan Truong, Theresa Thurston, Ziad M El-Zaatari, Ali R Khan, Angelina Edwards, Shane A Bobart
{"title":"Double Trouble in the Basement! A Case of PLA2R-Associated Membranous Nephropathy with Atypical Anti-Glomerular Basement Membrane Disease.","authors":"Renuka Tolani, Steffi Sathiyaraj, David Lyu, Luan Truong, Theresa Thurston, Ziad M El-Zaatari, Ali R Khan, Angelina Edwards, Shane A Bobart","doi":"10.1159/000542859","DOIUrl":"10.1159/000542859","url":null,"abstract":"<p><strong>Introduction: </strong>Concurrent atypical anti-glomerular basement membrane (anti-GBM) disease with membranous nephropathy is a rare occurrence. Compared to typical anti-GBM disease, atypical anti-GBM disease is often seronegative, with a mild disease presentation and course. We present a case of concomitant of PLA2R-associated membranous nephropathy and atypical anti-GBM disease in a patient with cholangiocarcinoma.</p><p><strong>Case presentation: </strong>A 66-year-old male with type 2 diabetes, hypertension, hyperlipidemia, hepatitis C, cirrhosis, and cholangiocarcinoma presented with nephrotic range proteinuria and worsening bilateral lower extremity edema. Urine studies showed 3+ protein and 13 red blood cells per high power field and 24-h urine protein of 14 g (nephrotic range). Serum albumin was 2.1 g/dL and serum creatinine was 0.8 mg/dL (nephrotic syndrome). Serological work-up was negative for antinuclear antibody, anti-double stranded DNA antibody, anti-PLA2R, anti-neutrophil cytoplasmic antibody, rheumatoid factor, and anti-GBM. Complement (C3 and C4) levels were normal and no monoclonal gammopathy was detected. A kidney biopsy showed membranous nephropathy with typical light microscopic, immunofluorescence, and electron microscopic findings. In addition, there was atypical anti-GBM disease characterized by a non-circumferential cellular crescent in 1 out of 12 glomeruli 2-3+ linear staining for IgG along GBM. There was no tubular basement membrane staining for IgG and albumin staining was negative. The glomeruli demonstrated strong staining for PLA2R but were negative for THSD7A and NELL-1. The patient received rituximab infusion, dapagliflozin, and lisinopril, resulting in remission of proteinuria. Despite intense chemotherapy with cisplatin, gemcitabine, and immunotherapy, the patient's cholangiocarcinoma progressed, and he transitioned to hospice care.</p><p><strong>Conclusion: </strong>For our patient, rituximab resulted in remission of proteinuria. The lack of temporal association with the malignancy is consistent with the biopsy findings of PLA2R-associated membranous nephropathy. While there is not an established guideline for atypical anti-GBM disease, our case demonstrates the utility of rituximab for the management of concurrent atypical anti-GBM disease with membranous nephropathy.</p>","PeriodicalId":73177,"journal":{"name":"Glomerular diseases","volume":"5 1","pages":"13-18"},"PeriodicalIF":0.0,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11842034/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143484272","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}
引用次数: 0
Emerging Role of SH3BP2 as Regulator of Immune and Nonimmune Cells in Nephrotic Syndrome. SH3BP2在肾病综合征中作为免疫和非免疫细胞调节因子的新作用
Glomerular diseases Pub Date : 2024-11-19 eCollection Date: 2025-01-01 DOI: 10.1159/000542703
Tarak Srivastava, Mukut Sharma
{"title":"Emerging Role of SH3BP2 as Regulator of Immune and Nonimmune Cells in Nephrotic Syndrome.","authors":"Tarak Srivastava, Mukut Sharma","doi":"10.1159/000542703","DOIUrl":"10.1159/000542703","url":null,"abstract":"<p><strong>Background: </strong>Minimal change disease (MCD) and focal segmental glomerulosclerosis (FSGS) are major forms of nephrotic syndrome that remain difficult to treat. MCD and FSGS have distinct but also overlapping clinical, histological, metabolic, and molecular features. Effective use of immunosuppressive drugs, activated immune cells, altered cytokine profiles, and upregulated signaling pathways suggest a link between immune dysfunction and nephrotic syndrome, but the exact mechanism of immunopathogenesis is unclear. Immune dysfunction is an area of ongoing research for identifying novel molecular targets for treating nephrotic syndrome. However, the available animal models do not directly address the role of immune dysfunction in nephrotic syndrome.</p><p><strong>Summary: </strong>Genetic analysis indicates that heterogeneous genes related to the podocyte-specific proteins may indirectly cause damage to filtration barrier and influence the onset and progression of nephrotic syndrome. SH3BP2 protein regulates several pathways through its role as a scaffold for many signaling mediators and enzymes. SH3BP2 is expressed in immune as well as in nonimmune cells including podocytes. The role of SH3BP2 is discussed in the context of cells and molecules of adaptive and innate immune systems. Available information on the importance of SH3BP2 in diseases other than nephrotic syndrome and its role in the immunopathogenesis of human nephrotic syndrome are summarized. We outline the key features of a transgenic mouse strain with a gain-in-function mutation (<i>Sh3bp2</i> <sup><i>KI/KI</i></sup> ) as a potential model to study immunopathogenesis of nephrotic syndrome.</p><p><strong>Key messages: </strong>Non-receptor, non-catalytic proteins such as SH3BP2 are a novel group of proteins that regulate the innate and adaptive immune responses in nephrotic syndrome. New evidence suggests a critical role of SH3BP2 in immunopathogenesis of nephrotic syndrome. Our recent results demonstrate that transgenic mice (<i>Sh3bp2</i> <sup><i>KI/KI</i></sup> ) with a gain-in-function mutation will likely be a unique model to study immunopathogenesis of nephrotic syndrome.</p>","PeriodicalId":73177,"journal":{"name":"Glomerular diseases","volume":"5 1","pages":"1-12"},"PeriodicalIF":0.0,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11842026/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143484273","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}
引用次数: 0
Role of Epigenetic Changes in the Pathophysiology of Diabetic Kidney Disease. 表观遗传变化在糖尿病肾病病理生理中的作用。
Glomerular diseases Pub Date : 2024-11-13 eCollection Date: 2024-01-01 DOI: 10.1159/000541923
Marita Liebisch, Gunter Wolf
{"title":"Role of Epigenetic Changes in the Pathophysiology of Diabetic Kidney Disease.","authors":"Marita Liebisch, Gunter Wolf","doi":"10.1159/000541923","DOIUrl":"10.1159/000541923","url":null,"abstract":"<p><strong>Background: </strong>Diabetic kidney disease (DKD) is a global health issue. Epigenetic changes play an important role in the pathogenesis of this disease.</p><p><strong>Summary: </strong>DKD is currently the leading cause of kidney failure worldwide. Although much is known about the pathophysiology of DKD, the research field of epigenetics is relatively new. Several recent studies have demonstrated that diabetes-induced dysregulation of epigenetic mechanisms alters the expression of pathological genes in kidney cells. If these changes persist for a long time, the so-called \"metabolic memory\" could be established. In this review, we highlight diabetes-induced epigenetic modifications associated with DKD. While there is a substantial amount of literature on epigenetic changes, only a few studies describe the underlying molecular mechanisms. Detailed analyses have shown that epigenetic changes play an important role in known pathological features of DKD, such as podocyte injury, fibrosis, accumulation of extracellular matrix, or oxidative injury, all of which contribute to the pathophysiology of disease. The transforming growth factor-β plays a key role as it is involved in all-mentioned epigenetic types of regulation.</p><p><strong>Key messages: </strong>Epigenetic is crucial for the development and progression of DKD, but the detailed molecular mechanisms have to be further analyzed more in detail.</p>","PeriodicalId":73177,"journal":{"name":"Glomerular diseases","volume":"4 1","pages":"211-226"},"PeriodicalIF":0.0,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11623970/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142796383","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}
引用次数: 0
Immunofluorescence Use and Techniques in Glomerular Diseases: A Review. 免疫荧光技术在肾小球疾病中的应用综述
Glomerular diseases Pub Date : 2024-11-11 eCollection Date: 2024-01-01 DOI: 10.1159/000542497
Nidia Messias
{"title":"Immunofluorescence Use and Techniques in Glomerular Diseases: A Review.","authors":"Nidia Messias","doi":"10.1159/000542497","DOIUrl":"10.1159/000542497","url":null,"abstract":"<p><strong>Background: </strong>Immunofluorescence (IF) studies play an essential role in the evaluation of medical renal biopsies. Particularly, in the study of renal glomerular diseases, where it provides fundamental data for the diagnosis, classification, and etiology of the glomerular pathologies. Diverse techniques may be used to optimize the utilization of IF studies, from variations on the test methodologies to expertise on the interpretation of the results and knowledge of potential pitfalls.</p><p><strong>Summary: </strong>This manuscript presents a brief review on the history of IF and its utilization in kidney pathology, followed by a description of the IF methods, including the use of IF on paraffin-embedded tissue (paraffin IF), and other novel techniques. Guidelines on how to best report IF findings are reviewed, along with a description of antibodies commonly used in glomerular diseases, highlighting their distribution within the normal kidney and potential pitfalls in interpretation. Finally, the use and interpretation of IF are discussed in more detail in individual entities on a range of glomerular diseases.</p><p><strong>Key messages: </strong>IF is crucial for interpretation of renal biopsies and diagnosis of glomerular diseases. Knowledge of IF techniques, alternative procedures, its use and proper interpretation is essential for optimal utilization of IF in renal pathology, and this review proposes to serve as a simplified and practical guide on this topic.</p>","PeriodicalId":73177,"journal":{"name":"Glomerular diseases","volume":"4 1","pages":"227-240"},"PeriodicalIF":0.0,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11644094/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142830961","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}
引用次数: 0
C3 Glomerulopathy: A Current Perspective in an Evolving Landscape. 肾小球病变:在一个不断变化的景观中的当前观点。
Glomerular diseases Pub Date : 2024-10-30 eCollection Date: 2024-01-01 DOI: 10.1159/000542354
Eric Keoni Magliulo, Prasanth Ravipati
{"title":"C3 Glomerulopathy: A Current Perspective in an Evolving Landscape.","authors":"Eric Keoni Magliulo, Prasanth Ravipati","doi":"10.1159/000542354","DOIUrl":"https://doi.org/10.1159/000542354","url":null,"abstract":"<p><strong>Background: </strong>Complement 3 (C3) glomerulopathy (C3G) is a heterogenous disease characterized by dysregulation of the complement alternative pathway. Within 10 years of a diagnosis, roughly 50% of patients with C3G will progress to end-stage kidney disease. Historically, treatment options have been limited to nonspecific immune suppression with suboptimal response rates to recommended therapies. Advances in immunology and the emergence of novel complement-targeted therapies have shifted the focus toward identifying the distinct underlying etiologies of C3G.</p><p><strong>Summary: </strong>In this review, we provide a description of the current landscape and challenges faced in the classification, evaluation, and treatment of patients with C3G.</p><p><strong>Key message: </strong>C3G can be broadly separated into four distinct groups: (1) genetic mutations/variants, (2) autoimmune/acquired autoantibodies, (3) monoclonal immunoglobulin-associated C3G, and (4) C3G without an identified cause. Therapy directed toward the underlying pathogenetic cause of C3G may improve outcomes in a disease in which current treatment options are largely ineffective.</p>","PeriodicalId":73177,"journal":{"name":"Glomerular diseases","volume":"4 1","pages":"200-210"},"PeriodicalIF":0.0,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11606624/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142775084","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}
引用次数: 0
ANCA-Negative Pauci-Immune Glomerulonephritis: A Review. ANCA阴性贫免疫性肾小球肾炎:综述。
Glomerular diseases Pub Date : 2024-10-11 eCollection Date: 2024-01-01 DOI: 10.1159/000541792
Cristián Juanet, Isabel Hassi, Abbal Koirala
{"title":"ANCA-Negative Pauci-Immune Glomerulonephritis: A Review.","authors":"Cristián Juanet, Isabel Hassi, Abbal Koirala","doi":"10.1159/000541792","DOIUrl":"10.1159/000541792","url":null,"abstract":"<p><strong>Background: </strong>Pauci-immune glomerulonephritis (PIGN) is typically secondary to antineutrophil cytoplasmic antibodies (ANCA) small-vessel vasculitis. However, some cases lack detectable circulating ANCA and are called ANCA-negative PIGN (seronegative PIGN). The reported incidence of this varies greatly. Its relationship to ANCA-associated vasculitis (AAV) is unclear.</p><p><strong>Summary: </strong>This review explores the pathophysiology of seronegative PIGN and summarizes findings from 12 studies focusing on this disease. The role of neutrophils appears to be central, with activation through cellular and humoral mechanisms. Most studies have noted less extrarenal involvement and more chronic changes in the kidney biopsy in seronegative PIGN compared to ANCA-positive cases. Studies have mostly reported using corticosteroids with cyclophosphamide for induction therapy and azathioprine for maintenance. The renal survival was noted to be lower compared to ANCA-positive PIGN.</p><p><strong>Key messages: </strong>Whether ANCA-negative PIGN represents a distinct disease or is part of the AAV spectrum remains unclear. Prospective large-scale studies are needed to understand this disease for optimal diagnosis and management.</p>","PeriodicalId":73177,"journal":{"name":"Glomerular diseases","volume":"4 1","pages":"189-199"},"PeriodicalIF":0.0,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11540412/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142592446","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}
引用次数: 0
Kidney-Limited Microangiopathy Associated with Methionine Synthase (Cobalamin G) Deficiency in a Pediatric Patient: Case Report and Review of the Literature. 一名小儿患者因蛋氨酸合成酶(钴胺素 G)缺乏症引发的肾局限性微血管病变:病例报告与文献综述。
Glomerular diseases Pub Date : 2024-09-27 eCollection Date: 2024-01-01 DOI: 10.1159/000540382
Jonathan E Zuckerman, Rachana Srivastava
{"title":"Kidney-Limited Microangiopathy Associated with Methionine Synthase (Cobalamin G) Deficiency in a Pediatric Patient: Case Report and Review of the Literature.","authors":"Jonathan E Zuckerman, Rachana Srivastava","doi":"10.1159/000540382","DOIUrl":"https://doi.org/10.1159/000540382","url":null,"abstract":"<p><p>Thrombotic microangiopathy (TMA) is a recognized sequela of inborn errors of metabolism impacting vitamin B12 (cobalamin) synthesis. Methylmalonic aciduria and homocystinuria, cobalamin deficiency type C is a well-known etiology for TMA. TMA has only rarely previously been reported in methionine synthase (cobalamin G) deficiency. Furthermore, results of only 7 kidney biopsies have previously been reported in this clinical setting. Here, we report a case of kidney- and glomerular-limited chronic active microangiopathy demonstrated on kidney biopsy in a patient with biochemically confirmed cobalamin G deficiency. A literature review of all prior reported cases is also presented and demonstrates hypertension, proteinuria, and hematuria to be common presenting symptoms. Age on onset ranged from 7 months to 14 years. Kidney-limited phenotype was less common and occurred only in older children. Acute kidney injury was more common in younger patients. Therapy with hydroxocobalamin and angiotensin-converting enzyme inhibitors resulted in variable clinical responses.</p>","PeriodicalId":73177,"journal":{"name":"Glomerular diseases","volume":"4 1","pages":"183-188"},"PeriodicalIF":0.0,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11521432/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142549291","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}
引用次数: 0
An Overlap of Anticoagulant-Related and IgA Nephropathy: A Case Report. 抗凝剂相关性肾病与 IgA 肾病的重叠:病例报告。
Glomerular diseases Pub Date : 2024-08-27 eCollection Date: 2024-01-01 DOI: 10.1159/000541116
Mercedes Galloway, John J Sim, Andrew Slater, Christopher Bray, Daniel Bishev, Patrick Walker
{"title":"An Overlap of Anticoagulant-Related and IgA Nephropathy: A Case Report.","authors":"Mercedes Galloway, John J Sim, Andrew Slater, Christopher Bray, Daniel Bishev, Patrick Walker","doi":"10.1159/000541116","DOIUrl":"https://doi.org/10.1159/000541116","url":null,"abstract":"<p><strong>Introduction: </strong>Anticoagulant-related nephropathy (ARN) is an increasingly recognized cause of acute kidney injury (AKI), initially associated with warfarin use. Supratherapeutic warfarin levels were implicated in kidney toxicity. With the widespread adoption of direct oral anticoagulants (DOACs), it becomes imperative to understand their potential risk for ARN and its clinical presentation.</p><p><strong>Case presentation: </strong>We report a case of a 64-year-old male prescribed DOAC for paroxysmal atrial fibrillation management, presenting with heart failure and worsening AKI. Hematuria and mild proteinuria were also observed. Despite management attempts, AKI persisted, prompting a kidney biopsy. Histopathological examination revealed acute tubular injury with numerous intratubular red blood cell casts consistent with ARN. Additionally, findings indicative of IgA nephropathy (IgAN), including mesangial hypercellularity and IgA dominant deposition, were noted.</p><p><strong>Conclusion: </strong>This case underscores the emerging risk of ARN associated with DOACs and emphasizes the potential exacerbation of ARN in the presence of underlying glomerular diseases such as IgAN. Clinicians should maintain a high index of suspicion for ARN in patients on anticoagulation therapy, particularly DOACs, who present with AKI and urinary abnormalities, as early recognition and intervention are crucial in preventing further renal damage.</p>","PeriodicalId":73177,"journal":{"name":"Glomerular diseases","volume":"4 1","pages":"167-171"},"PeriodicalIF":0.0,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11521512/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142549290","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}
引用次数: 0
Preparation and Rationale for a Patient-Centered Clinical Outcome Assessment Set of Fluid Overload for Drug Development in Nephrotic Syndrome. 为肾病综合征药物开发准备以患者为中心的液体超负荷临床结果评估集及其原理。
Glomerular diseases Pub Date : 2024-08-05 eCollection Date: 2024-01-01 DOI: 10.1159/000539921
Eloise Salmon, Noelle E Carlozzi, Jin-Shei Lai, Catherine Spino, Yujie Wang, Emily Capellari, Rebecca Scherr, Kayla Sifre, Shawn Sullivan, Courtney Hurt, Tina Creguer, Kelly Helm, Richard A Lafayette, Patrick H Nachman, David T Selewski, John Devin Peipert
{"title":"Preparation and Rationale for a Patient-Centered Clinical Outcome Assessment Set of Fluid Overload for Drug Development in Nephrotic Syndrome.","authors":"Eloise Salmon, Noelle E Carlozzi, Jin-Shei Lai, Catherine Spino, Yujie Wang, Emily Capellari, Rebecca Scherr, Kayla Sifre, Shawn Sullivan, Courtney Hurt, Tina Creguer, Kelly Helm, Richard A Lafayette, Patrick H Nachman, David T Selewski, John Devin Peipert","doi":"10.1159/000539921","DOIUrl":"10.1159/000539921","url":null,"abstract":"<p><strong>Introduction: </strong>Fluid overload is a source of substantial morbidity for adults and children with nephrotic syndrome (NS). Preparation and Rationale for a Fluid Overload in Nephrotic Syndrome Clinical Outcomes Assessment Set for Drug Development (Prepare-NS, 5UG3FD007308) was funded by the US Food and Drug Administration to develop a core set of patient-reported and observer-reported (for young children) outcome measures of fluid overload for use in pharmaceutical trials across the lifespan.</p><p><strong>Methods: </strong>The Prepare-NS study team developed the proposed context of use with input from stakeholders. We conducted a scoping review to assess the available literature on relevant patient- and observer-reported measures and performed secondary analyses of existing qualitative and quantitative data.</p><p><strong>Results: </strong>The outcome set will aim to serve individuals 2 years of age and older with primary NS conditions (specifically focal segmental glomerulosclerosis, minimal change disease, IgM nephropathy, membranous nephropathy, and childhood-onset NS not biopsied). The existing literature describing patient-reported outcomes in NS largely relies on nonspecific measures of health-related quality of life; fluid overload has been associated with lower scores on these measures.</p><p><strong>Conclusion: </strong>To address the gap in measure availability and fluid overload content, the Prepare-NS team has launched a set of qualitative studies for concept elicitation from the population of interest to inform development of new measures. The resulting measures subsequently will undergo psychometric evaluation and validation in a survey study.</p>","PeriodicalId":73177,"journal":{"name":"Glomerular diseases","volume":"4 1","pages":"172-182"},"PeriodicalIF":0.0,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11521406/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142549293","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}
引用次数: 0
Membranoproliferative Glomerulonephritis over 20 Years at a Tertiary Referral Center in the UK. 英国一家三级转诊中心20多年来的膜增生性肾小球肾炎。
Glomerular diseases Pub Date : 2024-08-02 eCollection Date: 2024-01-01 DOI: 10.1159/000540672
Hannah O'Keeffe, Joshua Storrar, Chethana Ramakrishna, Sara Metaoy, Constantina Chrysochou, Rajkumar Chinnadurai, Philip A Kalra, Smeeta Sinha
{"title":"Membranoproliferative Glomerulonephritis over 20 Years at a Tertiary Referral Center in the UK.","authors":"Hannah O'Keeffe, Joshua Storrar, Chethana Ramakrishna, Sara Metaoy, Constantina Chrysochou, Rajkumar Chinnadurai, Philip A Kalra, Smeeta Sinha","doi":"10.1159/000540672","DOIUrl":"https://doi.org/10.1159/000540672","url":null,"abstract":"<p><strong>Introduction: </strong>Membranoproliferative glomerulonephritis (MPGN) is a pattern of injury seen on kidney biopsy, with various underlying etiologies. The component types, including complement-mediated MPGN, are relatively rare. This study presents longitudinal real-world data over 20 years in a tertiary renal center in the UK.</p><p><strong>Methods: </strong>All patients with an MPGN pattern on kidney biopsy between 2000 and 2020 were identified. After applying exclusion criteria, 38 patients remained. Data including patient demographics, details of the renal histology from the kidney biopsy, baseline laboratory results, treatments received, and clinical outcomes including renal replacement therapy and death were collected from the organization's electronic patient record.</p><p><strong>Results: </strong>Twenty-eight of the cohort had immune complex-mediated MPGN, and 10 had complement-mediated MPGN (8 with C3 glomerulonephritis and 2 with dense deposit disease). Median follow-up was 72 months. Median age was 61 years. Overall, 60.5% were female, and 92.1% white. At presentation, median eGFR was 31.5 mL/min/1.73 m<sup>2</sup> and uPCR 394 mg/mmol. Here, 78.9% received renin-angiotensin-aldosterone system inhibitors and 71.1% received any immunosuppression. In total, 47.4% progressed to ESKD and 50% died during follow-up.</p><p><strong>Conclusions: </strong>The study found an older patient population than typically reported. Poor outcomes were observed in the overall cohort with progression to ESKD and mortality both at almost 50%. This may be influenced by the older patient population. Individualized management of patients with an MPGN biopsy finding is paramount, with comprehensive evaluation for triggers and complement abnormalities. Going forward, registry enrolment and collaborative studies may enhance knowledge and outcomes.</p>","PeriodicalId":73177,"journal":{"name":"Glomerular diseases","volume":"4 1","pages":"159-166"},"PeriodicalIF":0.0,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11521467/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142549292","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}
引用次数: 0
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