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Torra R, Kronbichler A, Bajema IM. Replacing a kidney biopsy by exome sequencing in undetermined kidney diseases-not yet ready for prime time! Clin Kidney J 2024; 17:sfad250. [PMID: 38186890 PMCID: PMC10768749 DOI: 10.1093/ckj/sfad250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Indexed: 01/09/2024] Open
Affiliation(s)
- Roser Torra
- Inherited Kidney Diseases, Nephrology Department, Fundació Puigvert, Institut d'Investigacions Biomèdiques (IIB-Sant Pau), Department of Medicine, Universitat Autonoma de Barcelona (UAB), Spain
| | - Andreas Kronbichler
- Department of Internal Medicine IV, Nephrology and Hypertension, Medical University Innsbruck, Innsbruck, Austria
| | - Ingeborg M Bajema
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center, Groningen, The Netherlands
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Kanjanabuch T, Isaranuwatchai S, Nopsopon T, Thammathiwat T, Pooprasert T, Puapatanakul P, Pongpirul K, Chawanasuntorapoj R, Kittiskulnam P, Eiam-Ong S, Tungsanga K, Chusil S, Ophascharoensuk V, Vanichakarn S, Sitprija V, Boonpucknavig V. Exploring hospital practice types and their impact on glomerular pathologic patterns: Insights from the largest kidney biopsy cohort in Thailand. Nephrology (Carlton) 2023; 28 Suppl 1:24-34. [PMID: 37534843 DOI: 10.1111/nep.14202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/14/2023] [Indexed: 08/04/2023]
Abstract
BACKGROUND This study aims to investigate the influence of different kidney biopsy practices on the prevalence of glomerular pathologic patterns in the largest kidney biopsy registry in Thailand. METHODS We conducted a retrospective review of kidney biopsy records from the period between 2000 and 2014. The records were obtained from 2 major institutions: King Chulalongkorn Memorial Hospital, a large university-based hospital, and the Kidney Center Bangkok Hospital, which provides pathology services to hospitals throughout Thailand. The study included native kidney biopsies from all provinces in Thailand, excluding paediatric patients, kidney transplant recipients, and cases of inadequate and repeated biopsies. Patient demographics, indications for biopsy, and final glomerular diagnoses were compared across different hospital practice settings: university (UVH), private (PVH) and public (PBH). RESULTS A total of 5893 eligible native kidney biopsies were identified from a pool of 7005 biopsies conducted over a 15-year period in 25 provinces throughout Thailand. The 3 most common indications for biopsy were suspected kidney involvement in systemic lupus erythematosus (SLE) (29%), nephrotic syndrome (NS) (29%), and acute glomerulonephritis (AGN)/rapidly progressive glomerulonephritis (RPGN) (13%). The leading indication for biopsy differed across practice types, with suspected kidney involvement in SLE being the primary indication in UVH, while NS took precedence in both PBH and PVH practices. Notably, UVH performed fewer kidney biopsies for asymptomatic urinary abnormalities and diabetes-related indications compared with PVH and PBH. The leading glomerular diagnoses correlated with the biopsy indications, with lupus nephritis (LN) being the most common diagnosis in UVH and PBH practices, whiles immunoglobulin A nephropathy was the predominant diagnosis in PVH practice. CONCLUSION Hospital practice types significantly impact the prevalence of glomerular pathologic diagnosis patterns in kidney biopsy data, highlighting the importance of considering this influence in epidemiological comparisons.
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Affiliation(s)
- Talerngsak Kanjanabuch
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Kidney Metabolic Disorders, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Suramath Isaranuwatchai
- Division of Nephrology, Department of Medicine, Chulabhorn Hospital, HRH Princess Chulabhorn College of Medical Science, Chulabhorn Royal Academy, Bangkok, Thailand
| | - Tanawin Nopsopon
- Department of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts, USA
| | - Theerachai Thammathiwat
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Naresuan University, Phitsanulok, Thailand
| | - Thitipong Pooprasert
- Department of Internal medicine department, Uttaradit Hospital, Uttaradit, Thailand
| | - Pongpratch Puapatanakul
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Krit Pongpirul
- Department of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- School of Global Health, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
- Faculty of Health and Life Sciences, University of Liverpool, Liverpool, UK
| | - Ratana Chawanasuntorapoj
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Piyawan Kittiskulnam
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Somchai Eiam-Ong
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Kring Tungsanga
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Saowaluck Chusil
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Vuddhidej Ophascharoensuk
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | | | - Visith Sitprija
- Queen Saovabha Memorial Institute, Thai Red Cross Society, Bangkok, Thailand
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Siegerist F, Drenic V, Koppe TM, Telli N, Endlich N. Super-Resolution Microscopy: A Technique to Revolutionize Research and Diagnosis of Glomerulopathies. GLOMERULAR DISEASES 2022; 3:19-28. [PMID: 36816428 PMCID: PMC9936760 DOI: 10.1159/000528713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Abstract
Background For decades, knowledge about glomerular (patho)physiology has been tightly linked with advances in microscopic imaging technology. For example, the invention of electron microscopy was required to hypothesize about the mode of glomerular filtration barrier function. Summary Super-resolution techniques, defined as fluorescence microscopy approaches that surpass the optical resolution limit of around 200 nm, have been made available to the scientific community. Several of these different techniques are currently in use in glomerular research. Using three-dimensional structured illumination microscopy, the exact morphology of the podocyte filtration slit can be morphometrically analyzed and quantitatively compared across samples originating from animal models or human biopsies. Key Messages Several quantitative image analysis approaches and their potential influence on glomerular research and diagnostics are discussed. By improving not only optical resolution but also information content and turnaround time, super-resolution microscopy has the potential to expand the diagnosis of glomerular disease. Soon, these approaches could be introduced into glomerular disease diagnosis.
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Affiliation(s)
- Florian Siegerist
- Institute for Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | | | - Thor-Magnus Koppe
- Institute for Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany
| | | | - Nicole Endlich
- Institute for Anatomy and Cell Biology, University Medicine Greifswald, Greifswald, Germany,NIPOKA GmbH, Greifswald, Germany,*Nicole Endlich,
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Ramachandran R, Sulaiman S, Chauhan P, Ulasi I, Onu U, Villaneuva R, Alam MR, Akhtar F, Vincent L, Aulakh GS, Sutranto AL, Zakharova E, Jha V. Challenges in Diagnosis and Management of Glomerular Disease in Resource-Limited Settings. Kidney Int Rep 2022; 7:2141-2149. [PMID: 36217525 PMCID: PMC9546742 DOI: 10.1016/j.ekir.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/27/2022] [Accepted: 07/04/2022] [Indexed: 12/01/2022] Open
Abstract
Introduction Glomerular diseases are the leading drivers of nondiabetic chronic kidney disease disability-adjusted life years in resource-limited countries. Proper diagnosis and treatment relies on resources including kidney biopsy, ancillary testing, and access to evidence-based therapies. Methods We conducted a cross-sectional internet-based survey cascaded through society mailing lists among nephrologists in countries of Asia, Africa, and Eastern Europe. We collected the data on respondent demographics, their ability to perform and appropriately interpret a kidney biopsy, and their access to complementary investigations and treatment practices. Results A total of 298 kidney care specialists from 33 countries (53.3% from Asia and 44.6% from Africa; 64% from academic or university hospitals) participated in the survey. Of these specialists, 85% performed kidney biopsy. About 61% of the respondents could not obtain a kidney biopsy in more than 50% of patients with suspected glomerular disease. About 43% of the respondents from Africa had access to only light microscopy. Overall, the inability to undertake and fully evaluate a biopsy and perform ancillary investigations were more profound in Africa than in Asia. Overall, 59% of participants reported that more than 75% of their patients meet the cost of diagnosis and treatment by out-of-pocket payments. Empirical use of immunosuppression was higher in Africa than in Asia. The main barriers for diagnosis and treatment included delayed presentation, incomplete diagnostic work-up, and high cost of treatment. Conclusion Major system-level barriers impede the implementation of guideline-driven approaches for diagnosis and treatment of patients with glomerular disease in resource-limited countries.
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Affiliation(s)
| | - Shabna Sulaiman
- IQRAA International Hospital and Research Centre, Calicut, India
| | | | - Ifeoma Ulasi
- Department of Medicine, College of Medicine, University of Nigeria, Ituku-Ozalla, Enugu, Nigeria
- Department of Internal Medicine, Alex Ekwueme Federal University Teaching Hospital, Abakaliki, Nigeria; Department of Medicine, College of Medicine, University of Nigeria, Ituku-Ozalla, Enugu, Nigeria
| | - Ugochi Onu
- Department of Medicine, College of Medicine, University of Nigeria, Ituku-Ozalla, Enugu, Nigeria
| | | | | | - Fazal Akhtar
- Sindh Institute Of Urology And Transplantation Hospital, Nanak Wara, Karachi, Pakistan
| | | | | | - Aida Lydia Sutranto
- Division of Nephrology & Hypertension, Department of Internal Medicine, Jakarta, Indonesia
- Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Elena Zakharova
- Department of Nephrology, Botkin Hospital, Moscow, Russia
- Department of Nephrology and Hemodialysis, Russian Medical Academy of Continuing Professional Education, Moscow, Russia
- Department of Nephrology, Moscow State University of Medicine and Dentistry, Moscow, Russia
| | - Vivekanand Jha
- George Institute for Global Health, UNSW, New Delhi, India
- Prasanna School of Public Health, Manipal Academy of Higher Education, Manipal, India
- School of Public Health, Imperial College, London, UK
- Correspondence: Vivekanand Jha, The George Institute for Global Health 308-309, Third Floor, Elegance Tower, Plot No. 8, Jasola District Centre, New Delhi 110025, India.
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