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Papatsoris A, Alba AB, Galán Llopis JA, Musafer MA, Alameedee M, Ather H, Caballero-Romeu JP, Costa-Bauzá A, Dellis A, El Howairis M, Gambaro G, Geavlete B, Halinski A, Hess B, Jaffry S, Kok D, Kouicem H, Llanes L, Lopez Martinez JM, Popov E, Rodgers A, Soria F, Stamatelou K, Trinchieri A, Tuerk C. Management of urinary stones: state of the art and future perspectives by experts in stone disease. Arch Ital Urol Androl 2024; 96:12703. [PMID: 38934520 DOI: 10.4081/aiua.2024.12703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Accepted: 06/13/2024] [Indexed: 06/28/2024] Open
Abstract
AIM To present state of the art on the management of urinary stones from a panel of globally recognized urolithiasis experts who met during the Experts in Stone Disease Congress in Valencia in January 2024. Options of treatment: The surgical treatment modalities of renal and ureteral stones are well defined by the guidelines of international societies, although for some index cases more alternative options are possible. For 1.5 cm renal stones, both m-PCNL and RIRS have proven to be valid treatment alternatives with comparable stone-free rates. The m-PCNL has proven to be more cost effective and requires a shorter operative time, while the RIRS has demonstrated lower morbidity in terms of blood loss and shorter recovery times. SWL has proven to be less effective at least for lower calyceal stones but has the highest safety profile. For a 6mm obstructing stone of the pelviureteric junction (PUJ) stone, SWL should be the first choice for a stone less than 1 cm, due to less invasiveness and lower risk of complications although it has a lower stone free-rate. RIRS has advantages in certain conditions such as anticoagulant treatment, obesity, or body deformity. Technical issues of the surgical procedures for stone removal: In patients receiving antithrombotic therapy, SWL, PCN and open surgery are at elevated risk of hemorrhage or perinephric hematoma. URS, is associated with less morbidity in these cases. An individualized combined evaluation of risks of bleeding and thromboembolism should determine the perioperative thromboprophylactic strategy. Pre-interventional urine culture and antibiotic therapy are mandatory although UTI treatment is becoming more challenging due to increasing resistance to routinely applied antibiotics. The use of an intrarenal urine culture and stone culture is recommended to adapt antibiotic therapy in case of postoperative infectious complications. Measurements of temperature and pressure during RIRS are vital for ensuring patient safety and optimizing surgical outcomes although techniques of measurements and methods for data analysis are still to be refined. Ureteral stents were improved by the development of new biomaterials, new coatings, and new stent designs. Topics of current research are the development of drug eluting and bioresorbable stents. Complications of endoscopic treatment: PCNL is considered the most invasive surgical option. Fever and sepsis were observed in 11 and 0.5% and need for transfusion and embolization for bleeding in 7 and 0.4%. Major complications, as colonic, splenic, liver, gall bladder and bowel injuries are quite rare but are associated with significant morbidity. Ureteroscopy causes less complications, although some of them can be severe. They depend on high pressure in the urinary tract (sepsis or renal bleeding) or application of excessive force to the urinary tract (ureteral avulsion or stricture). Diagnostic work up: Genetic testing consents the diagnosis of monogenetic conditions causing stones. It should be carried out in children and in selected adults. In adults, monogenetic diseases can be diagnosed by systematic genetic testing in no more than 4%, when cystinuria, APRT deficiency, and xanthinuria are excluded. A reliable stone analysis by infrared spectroscopy or X-ray diffraction is mandatory and should be associated to examination of the stone under a stereomicroscope. The analysis of digital images of stones by deep convolutional neural networks in dry laboratory or during endoscopic examination could allow the classification of stones based on their color and texture. Scanning electron microscopy (SEM) in association with energy dispersive spectrometry (EDS) is another fundamental research tool for the study of kidney stones. The combination of metagenomic analysis using Next Generation Sequencing (NGS) techniques and the enhanced quantitative urine culture (EQUC) protocol can be used to evaluate the urobiome of renal stone formers. Twenty-four hour urine analysis has a place during patient evaluation together with repeated measurements of urinary pH with a digital pH meter. Urinary supersaturation is the most comprehensive physicochemical risk factor employed in urolithiasis research. Urinary macromolecules can act as both promoters or inhibitors of stone formation depending on the chemical composition of urine in which they are operating. At the moment, there are no clinical applications of macromolecules in stone management or prophylaxis. Patients should be evaluated for the association with systemic pathologies. PROPHYLAXIS Personalized medicine and public health interventions are complementary to prevent stone recurrence. Personalized medicine addresses a small part of stone patients with a high risk of recurrence and systemic complications requiring specific dietary and pharmacological treatment to prevent stone recurrence and complications of associated systemic diseases. The more numerous subjects who form one or a few stones during their entire lifespan should be treated by modifications of diet and lifestyle. Primary prevention by public health interventions is advisable to reduce prevalence of stones in the general population. Renal stone formers at "high-risk" for recurrence need early diagnosis to start specific treatment. Stone analysis allows the identification of most "high-risk" patients forming non-calcium stones: infection stones (struvite), uric acid and urates, cystine and other rare stones (dihydroxyadenine, xanthine). Patients at "high-risk" forming calcium stones require a more difficult diagnosis by clinical and laboratory evaluation. Particularly, patients with cystinuria and primary hyperoxaluria should be actively searched. FUTURE RESEARCH Application of Artificial Intelligence are promising for automated identification of ureteral stones on CT imaging, prediction of stone composition and 24-hour urinary risk factors by demographics and clinical parameters, assessment of stone composition by evaluation of endoscopic images and prediction of outcomes of stone treatments. The synergy between urologists, nephrologists, and scientists in basic kidney stone research will enhance the depth and breadth of investigations, leading to a more comprehensive understanding of kidney stone formation.
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Affiliation(s)
- Athanasios Papatsoris
- 2nd Department of Urology, School of Medicine, Sismanoglio Hospital, National and Kapodistrian University of Athens; U-merge Scientific Office.
| | - Alberto Budia Alba
- Urology Department, La Fe University and Polytechnic Hospital, Valencia.
| | | | | | | | | | | | - Antònia Costa-Bauzá
- Laboratory of Renal Lithiasis Research, University Institute of Health Sciences Research (IUNICS-IdISBa), University of Illes Balears, Palma de Mallorca.
| | - Athanasios Dellis
- 2nd Department of Surgery, Aretaieion Academic Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens.
| | | | - Giovanni Gambaro
- Division of Nephrology, Department of Medicine, University Hospital of Verona.
| | - Bogdan Geavlete
- "Carol Davila" University of Medicine and Pharmacy & "Saint John" Emergency Clinical Hospital, Bucharest.
| | - Adam Halinski
- Private Medical Center "Klinika Wisniowa" Zielona Gora.
| | - Bernhard Hess
- Internal Medicine & Nephrology, KidneyStoneCenter Zurich, Klinik Im Park, Zurich.
| | | | - Dirk Kok
- Saelo Scientific Support, Oegstgeest.
| | | | - Luis Llanes
- Urology Department, University Hospital of Getafe, Getafe, Madrid.
| | | | - Elenko Popov
- Department of Urology, UMHAT "Tzaritza Yoanna-ISUL", Medical University, Sofia.
| | | | - Federico Soria
- Experimental Surgery Department, Ramón y Cajal University Hospital, Madrid.
| | - Kyriaki Stamatelou
- MESOGEIOS Nephrology Center, Haidari Attica and NEPHROS.EU Private Clinic, Athens.
| | | | - Christian Tuerk
- Urologic Department, Sisters of Charity Hospital and Urologic Praxis, Wien.
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Wu CHW, Badreddine J, Su E, Tay K, Lin HTC, Rhodes S, Schumacher F, Bodner D. Beyond the kidney: extra-renal manifestations of monogenic nephrolithiasis and their significance. Pediatr Nephrol 2024; 39:1429-1434. [PMID: 38057433 DOI: 10.1007/s00467-023-06242-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 11/22/2023] [Accepted: 11/23/2023] [Indexed: 12/08/2023]
Abstract
BACKGROUND The objective of this study was to explore the frequency of occurrence of extra-renal manifestations associated with monogenic nephrolithiasis. METHODS A literature review was conducted to identify genes that are monogenic causes of nephrolithiasis. The Online Mendelian Inheritance in Man (OMIM) database was used to identify associated diseases and their properties. Disease phenotypes were ascertained using OMIM clinical synopses and sorted into 24 different phenotype categories as classified in OMIM. Disease phenotypes caused by the same gene were merged into a phenotypic profile of a gene (PPG) such that one PPG encompasses all related disease phenotypes for a specific gene. The total number of PPGs involving each phenotype category was measured, and the median phenotype category was determined. Phenotype categories were classified as overrepresented or underrepresented if the number of PPGs involving them was higher or lower than the median, respectively. Chi-square test was conducted to determine whether the number of PPGs affecting a given category significantly deviated from the median. RESULTS Fifty-five genes were identified as monogenic causes of nephrolithiasis. A total of six significantly overrepresented and three significantly underrepresented phenotype categories were identified (p < 0.05). Four phenotypic categories (growth, neurological, skeletal, and abdomen/gastrointestinal) are significantly overrepresented after Bonferroni correction for multiple comparisons (p < 0.002). Among all phenotypes, impaired growth is the most common manifestation. CONCLUSION Recognizing the extra-renal manifestations associated with monogenic causes of kidney stones is critical for earlier diagnosis and optimal care in patients.
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Affiliation(s)
- Chen-Han Wilfred Wu
- Department of Urology, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA.
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA.
| | - Jad Badreddine
- Department of Urology, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - Ethan Su
- Department of Urology, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - Kimberly Tay
- Department of Urology, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - Hsin-Ti Cindy Lin
- Department of Urology, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - Stephen Rhodes
- Department of Urology, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - Fredrick Schumacher
- Department of Population and Quantitative Health Sciences, School of Medicine, Cleveland, OH, USA
| | - Donald Bodner
- Department of Urology, Case Western Reserve University School of Medicine and University Hospitals, 11100 Euclid Ave., Cleveland, OH, 44106, USA
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Fatima A, Mohamed A, Moustapha H, Karim O. Molecular Diagnosis of Primary Hyperoxaluria Type 1 and Distal Renal Tubular Acidosis in Moroccan Patients With Nephrolithiasis and/or Nephrocalcinosis. Cureus 2022; 14:e23616. [PMID: 35505724 PMCID: PMC9053370 DOI: 10.7759/cureus.23616] [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] [Accepted: 03/29/2022] [Indexed: 11/11/2022] Open
Abstract
Nephrolithiasis (NL) and urolithiasis (UL) are usual reasons for hospitalization and presentation in pediatric outpatient departments and their incidence continues to rise worldwide. In Morocco, a previous epidemiological study done in the Fez region between January 2003 and November 2013 reported a prevalence of 0.83% of childhood UL. In two studies, heritability accounted for almost half of all NL or nephrocalcinosis (NC) prevalence. Genetic factors must be considered in the etiological diagnosis of urinary lithiasis in Morocco since the frequency of consanguineous marriages is high. Hereditary tubular disorders, especially distal renal tubular acidosis (dRTA) and Dent disease, and metabolic disorders like idiopathic hypercalciuria and hyperoxaluria are the most common causes of medullary NC. Primary hyperoxaluria type 1 (PH1), which can generate an early onset of NC, and often chronic kidney disease (CKD) should always be considered and thoroughly diagnosed. The aim of this work was to establish a molecular diagnosis of PH1 and dRTA and, thus, to predict and explain the disease phenotype in a cohort of 44 Moroccan patients with NL and/or NC by analyzing the AGXT and ATP6V1B1 genes that cause NL and/or NC when mutated. Disease phenotype was molecularly explained and solved in six of 44 individuals with NL and/or NC (13.6%). In the pediatric subgroup of individuals, a causative mutation in 16.2% was identified, whereas in the adult cohort no pathogenic mutation was detected. In our patients, PH1 was objectified in 67% of cases followed by dRTA in 33% of cases. We suggest that prompt detection and prophylactic treatment of UL are necessary to limit the risk of everlasting renal damage and thus prevent or delay the progression to CKD.
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Prot-Bertoye C, Daudon M, Tostivint I, Dousseaux MP, Defazio J, Traxer O, Knebelmann B, Courbebaisse M. [Cystinuria]. Nephrol Ther 2021; 17S:S100-S107. [PMID: 33910689 DOI: 10.1016/j.nephro.2020.03.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 03/01/2020] [Indexed: 10/21/2022]
Abstract
Cystinuria is the most common monogenic nephrolithiasis disorder. Because of its poor solubility at a typical urine pH of less than 7, cystine excretion results in recurrent urinary cystine stone formation. A high prevalence of high blood pressure and of chronic kidney disease has been reported in these patients. Alkaline hyperdiuresis remains the cornerstone of the preventive medical treatment. To reach a urine pH between 7.5 and 8 and a urine specific gravity less than or equal to 1.005 should be the goal of medical treatment. D-penicillamine and tiopronin, two cysteine-binding thiol agents, should be considered as second line treatments with frequent adverse events that should be closely monitored.
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Affiliation(s)
- Caroline Prot-Bertoye
- Service de physiologie - explorations fonctionnelles rénales et métaboliques, hôpital européen Georges-Pompidou, 20, rue Leblanc, 75015 Paris, France.
| | - Michel Daudon
- Service de physiologie-explorations fonctionnelles, hôpital Tenon, 4, rue de la Chine, 75020 Paris, France
| | - Isabelle Tostivint
- Service de néphrologie, hôpital de la Pitié-Salpêtrière, 149, boulevard de l'Hôpital, 75013 Paris, France
| | - Marie-Paule Dousseaux
- Service de néphrologie, hôpital de la Pitié-Salpêtrière, 149, boulevard de l'Hôpital, 75013 Paris, France
| | - Jérôme Defazio
- Association pour l'information et la recherche sur les maladies génétiques (AIRG-France), BP 78, 75261 Paris cedex 06, France
| | - Olivier Traxer
- Service d'urologie, hôpital Tenon, 4, rue de la Chine, 75020 Paris, France
| | - Bertrand Knebelmann
- Service de néphrologie, hôpital Necker, 149, rue de Sèvres, 75015 Paris, France
| | - Marie Courbebaisse
- Service de physiologie - explorations fonctionnelles rénales et métaboliques, hôpital européen Georges-Pompidou, 20, rue Leblanc, 75015 Paris, France
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Halbritter J. Genetics of kidney stone disease-Polygenic meets monogenic. Nephrol Ther 2021; 17S:S88-S94. [PMID: 33910705 DOI: 10.1016/j.nephro.2020.02.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 02/03/2020] [Indexed: 11/16/2022]
Abstract
Kidney stone disease comprising nephrolithiasis and nephrocalcinosis is a clinical syndrome of increasing prevalence with remarkable heterogeneity. Stone composition, age of manifestation, rate of recurrence, and impairment of kidney function varies with underlying etiologies. While calcium-based kidney stones account for the vast majority their etiology is still poorly understood. Recent studies underline the notion that genetic susceptibility together with dietary habits constitutes the major driver of kidney stone formation. In addition to single gene (Mendelian) disorders, which are most likely underestimated in the adult population, common risk alleles explain part of the observed heritability. Interestingly, identified GWAS loci often match those of Mendelian disease genes and vice versa (CASR, SLC34A1, CYP24A1). These findings provide mechanistic links related to renal calcium homeostasis, vitamin D metabolism, and CaSR-signaling regulated by the CaSR-CLDN14-CLDN16/19 axis (paracellular Ca2+ reabsorption) and TRPV5 (transcellular Ca2+ reabsorption). Recent identification of new single gene disorders of calcium-oxalate-nephrolithiasis (SLC26A1, CLDN2) and distal renal tubular acidosis with nephrocalcinosis (FOXI1, WDR72, ATP6V1C2) enabled additional insights into the kidney-gut axis and molecular prerequisites of proper urinary acidification. Implementation of centralized patient registries on hereditary kidney stone diseases are necessary to build up well characterized cohorts for urgently needed clinical studies.
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Affiliation(s)
- Jan Halbritter
- Medical Department III, Endocrinology, Nephrology and Rheumatology, Division of Nephrology, University of Leipzig Medical Center, Leipzig, Germany.
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6
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Courbebaisse M, Prot-Bertoye C, Daudon M. [Nephrolithiasis: From mechanisms to preventive medical treatment]. Nephrol Ther 2020; 16:65-75. [PMID: 32122798 DOI: 10.1016/j.nephro.2020.01.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Renal lithiasis is a frequent pathology (prevalence ranging from 10 to 12% in France) and a recurrent condition. It is associated with chronic kidney disease and is responsible for 2 to 3% of cases of end-stage renal disease, especially if it is associated with nephrocalcinosis and/or is part of a monogenic disease (1.6% of lithiasis in adults, including 1% of cystinuria). In order to understand the pathophysiology of the nephrolithiasis, the analysis of stones (morphological and by infrared spectrophotometry) as well as a minimal biological evaluation including crystalluria must be carried out. Calcium nephrolithiasis is the most common form (more than 80%). Its preventive medical treatment relies on simple hygienic dietetics: non-alkaline hyperdiuresis greater than 2liters/day, normalization of calcium intakes (1g/day to be distributed over the three meals), restriction of sodium intakes (6g/day) and of protein intakes (0.8-1g/kg of theoretical weight/day), and avoidance of foods rich in oxalate. If there is a hypercalciuria (greater than 0.1mmol/kg of theoretical weight/day with normal calcium intakes), its mechanism should be explored with an oral calcium load test. In the absence of primary hyperparathyroidism, thiazide diuretics can be prescribed, taking care to prevent hypokalemia and iatrogenic hypocitraturia. The treatment of uric acid lithiasis includes alkaline hyperdiuresis (urinary pH 6.2 to 6.8). Allopurinol is only justified if the urinary excretion of uric acid exceeds 4mmol/day. With a well-managed medical treatment, more than 80% of recurrent lithiasis can be stopped, making nephrolithiasis one of the kidney diseases the more accessible to the preventive medical treatment.
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Affiliation(s)
- Marie Courbebaisse
- Service de physiologie-explorations fonctionnelles, hôpital européen Georges-Pompidou, AP-HP, 20, rue Leblanc, 75015 Paris, France; Université de Paris, 75006 Paris, France; Inserm, U1151, 149, rue de Sèvres, 75015 Paris, France; CNRS, UMR 8253, 149, rue de Sèvres, 75015 Paris, France; Institut Necker-Enfants malades, 149, rue de Sèvres, 75015 Paris, France.
| | - Caroline Prot-Bertoye
- Service de physiologie-explorations fonctionnelles, hôpital européen Georges-Pompidou, AP-HP, 20, rue Leblanc, 75015 Paris, France; Université de Paris, 75006 Paris, France; Centre de recherche des cordeliers, Inserm UMRS1138, 75006 Paris, France; Sorbonne université, Paris, France; CNRS, ERL8228, 75006 Paris, France
| | - Michel Daudon
- Service de physiologie-explorations fonctionnelles, hôpital Tenon, AP-HP, 75020 Paris, France
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Kaaroud H, Harzallah A, Sayhi M, Bacha M, Khadhar M, Goucha R, Bouzid K, Ayed H, Bouzouita A, Cherif M, Chebil M, Mrad R, Omezzine A, Jallouli M, Gargah T, Ben Hamida F, Ben Abdallah T. [Inherited kidney stones: A nephrology center experience]. Prog Urol 2019; 29:962-973. [PMID: 31537493 DOI: 10.1016/j.purol.2019.08.262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 07/06/2019] [Accepted: 08/06/2019] [Indexed: 10/26/2022]
Abstract
INTRODUCTION Genetic factors must be considered in etiological diagnosis of urinary lithiasis. The aim of this study was to determine clinical, metabolic characteristics and the progression of hereditary urinary lithiasis in our patients. METHODS A retrospective study was conducted between 2008 and 2018 and 60 patients were included. Patients were referred to our department from pediatrics departments to be followed-up in adulthood in 9 cases, for etiological investigation in 42 cases and for chronic renal failure in 9 cases. RESULTS Thirty-five men and twenty-five women were enrolled in this study with a M/F sex ratio equal to 1.4. The mean age at the time of diagnosis of the hereditary character of the urinary lithiasis was 28.6years (3months-63years). The average delay between the onset of the lithiasis disease and the etiological diagnosis was 8years (0-42years). We noted 31 cases of cystinuria, 18 cases of primary hyperoxaluria type 1 with two mutations (I244T in 14 cases, 33-34 Insc in 23 cases) and 11 cases of renal tubulopathy. Fourteen patients were affected with chronic renal failure, of which five were in the end-stage renal disease. Crystalluria was positive in 62% of cases. The morpho-constitutional analysis of stones was performed in 37 cases and it contributed to the diagnosis in 29 cases. After an average follow-up of 16years, we noted normal renal function in 42 cases, chronic renal failure in 7 cases, hemodialysis in 10 cases all with primary hyperoxaluria and transplantation in 1 case. CONCLUSION The etiological diagnosis of hereditary urinary lithiasis in our study was made with considerable delay. Cystinuria was the most frequent etiology and primary hyperoxaluria was the most serious affection. LEVEL OF EVIDENCE 4.
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Affiliation(s)
- H Kaaroud
- Service de médecine A, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie.
| | - A Harzallah
- Service de médecine A, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - M Sayhi
- Service de médecine A, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - M Bacha
- Service de médecine A, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - M Khadhar
- Service de néphrologie, hôpital La Marsa, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - R Goucha
- Service de néphrologie, hôpital La Marsa, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - K Bouzid
- Service de biochimie, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - H Ayed
- Service d'urologie, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - A Bouzouita
- Service d'urologie, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - M Cherif
- Service d'urologie, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - M Chebil
- Service d'urologie, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - R Mrad
- Service de génétique, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - A Omezzine
- Service de biochimie, hôpital Sahloul, Sousse, Tunisie
| | - M Jallouli
- Service de pédiatrie, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - T Gargah
- Service de pédiatrie, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - F Ben Hamida
- Laboratoire de pathologie rénale LR00SP01, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
| | - T Ben Abdallah
- Service de médecine A, hôpital Charles-Nicolle, Tunis, Tunisie; Faculté de médecine de Tunis, université de Tunis El Manar, Tunis, Tunisie
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Halbritter J, Seidel A, Müller L, Schönauer R, Hoppe B. Update on Hereditary Kidney Stone Disease and Introduction of a New Clinical Patient Registry in Germany. Front Pediatr 2018; 6:47. [PMID: 29564324 PMCID: PMC5850730 DOI: 10.3389/fped.2018.00047] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 02/19/2018] [Indexed: 12/15/2022] Open
Abstract
Kidney stone disease is an increasingly prevalent condition with remarkable clinical heterogeneity, with regards to stone composition, age of manifestation, rate of recurrence, and impairment of kidney function. Calcium-based kidney stones account for the vast majority of cases, but their etiology is poorly understood, notably their genetic drivers. As recent studies indicate, hereditary conditions are most likely underestimated in prevalence, and new disease genes are constantly being identified. As a consequence, there is an urgent need of a more efficient documentation and collection of cases with underlying hereditary conditions, to better understand shared phenotypic presentation and common molecular mechanisms. By implementation of a centralized patient registry on hereditary kidney stone disease in Germany, we aim to help closing the vast knowledge gap on genetics of kidney stone disease. In this context, clinical registries are indispensable for several reasons: first, delineating better phenotype-genotype associations will allow more precise patient stratification in future clinical research studies. Second, identifying new disease genes and new mechanisms will further reduce the rate of unknown nephrolithiasis/nephrocalcinosis etiology; and third, deciphering new molecular targets will pave the way to develop drugs for recurrence prevention in severely affected families.
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Affiliation(s)
- Jan Halbritter
- Division of Nephrology, Department of Internal Medicine, University of Leipzig, Leipzig, Germany
| | - Anna Seidel
- Division of Nephrology, Department of Internal Medicine, University of Leipzig, Leipzig, Germany
| | - Luise Müller
- Division of Nephrology, Department of Internal Medicine, University of Leipzig, Leipzig, Germany
| | - Ria Schönauer
- Division of Nephrology, Department of Internal Medicine, University of Leipzig, Leipzig, Germany
| | - Bernd Hoppe
- Division of Pediatric Nephrology, University Children's Hospital, Bonn, Germany
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Combining field effect scanning electron microscopy, deep UV fluorescence, Raman, classical and synchrotron radiation Fourier transform Infra-Red Spectroscopy in the study of crystal-containing kidney biopsies. CR CHIM 2016. [DOI: 10.1016/j.crci.2015.03.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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[Nephrolithiasis of adult: From mechanisms to preventive medical treatment]. Rev Med Interne 2016; 38:44-52. [PMID: 27349612 DOI: 10.1016/j.revmed.2016.05.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Accepted: 05/23/2016] [Indexed: 01/06/2023]
Abstract
Nephrolithiasis is a very common (prevalence around 10 to 12% in France) and recurrent disorder. Nephrolithiasis is associated to chronic kidney disease and is responsible for 2 to 3% of cases of end-stage renal disease, mainly if it is associated to nephrocalcinosis or to a monogenic disorder (1.6% of nephrolithiasis in adults, among them 1% of cystinuria). To understand the underlying pathophysiological processes, stone analysis (morphology and using infrared spectrophotometry) as well as minimal biological assessment including urine crystal research are required. The calcic nephrolithiasis is the more frequent subtype (>80%). Its medical treatment relies on simple dietary rules: non-alkaline hyperdiuresis>2 liters/day, calcium intake normalization (1 gram per day divided between the three principal meals), normalization of sodium (6 to 7 grams per day) and protein intake (1g/kg of theoretical body weight/day), and eviction of foods rich in oxalate. In case of persistent hypercalciuria (>0.1mmol/kg of theoretical body weight/day on free diet), a thiazide diuretic can be started while being aware to correct iatrogenic decrease in plasma potassium and urine citrate excretion. Measurement of bone mineral density must systematically be performed in patients with high 24 h-urinary calcium excretion. The medical treatment of uric acid nephrolithiasis relies on alkaline hyperdiuresis (goal of urine pH: 6.2 to 6.8). The use of allopurinol is justified only if urine uric acid is over 4mmol/day. Thanks to a well-managed preventive medical treatment, one can expect to stop the activity of nephrolithiasis in more than 80% of cases, making it one of the most accessible renal pathologies to preventive medical treatment.
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Castiglione V, Jouret F, Bruyère O, Dubois B, Thomas A, Waltregny D, Bekaert AC, Cavalier É, Gadisseur R. [Epidemiology of urolithiasis in Belgium on the basis of a morpho-constitutional classification]. Nephrol Ther 2014; 11:42-9. [PMID: 25488796 DOI: 10.1016/j.nephro.2014.08.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 08/06/2014] [Accepted: 08/07/2014] [Indexed: 12/13/2022]
Abstract
Urolithiasis is a common condition, with a prevalence of ∼10% and a male/female ratio above 1 according to large national series. Various types of urinary stones have been described upon their mineral content and/or their morphology. Hence, a combined morpho-constitutional (M-C) classification has been proposed. In order to detail the prevalence of urolithiasis in general and of each M-C type in particular upon age and gender in Belgium, we retrospectively studied the database of a reference center for urolithiasis analysis. Between 2010 and 2013, 2195 stones were characterized. We excluded 45 non-biological stones and 281 stones, which originated from outside the study zone. Among 1869 stones, 1293 (69.2%) affected men. Prevalence peak of urolithiasis was observed between 50-60 years of age in both genders. The M-C analysis was available for 1854 stones (99.2%): multiple morphological types were concomitantly identified in 49.3%. In the whole population, the main mineral constituent was whewellite (54.4%), mainly organized as type Ia (94%). Weddellite was found in 19.8%, with an equal distribution between types IIa and IIb. Uric acid was the 3rd most frequent constituent in man, with a similar distribution between IIIa and IIIb. Phosphate was uncommon in man (8.2%), but frequent in woman (26.6%) with a type IVa1 organization. Prevalence of M-C types changes with aging, i.e. decrease of weddellite and increase of whewellite and uric acid in both genders. This retrospective analysis of a single-center database of urinary stones helps characterize the M-C epidemiology of urolithiasis in Belgium.
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Affiliation(s)
- Vincent Castiglione
- Département de biologie clinique, service de chimie clinique, centre hospitalier universitaire de Liège (ULg CHU), Liège, Belgique
| | - François Jouret
- Département de médecine interne, service de néphrologie, ULg CHU, Liège, Belgique
| | - Olivier Bruyère
- Unité de soutien méthodologique en épidémiologie et en biostatistiques, service de santé publique, épidémiologie et économie de la santé, université de Liège, Liège, Belgique
| | - Bernard Dubois
- Département de médecine interne, service de néphrologie, ULg CHU, Liège, Belgique
| | - Alexandre Thomas
- Département de chirurgie, service d'urologie, ULg CHU, Liège, Belgique
| | - David Waltregny
- Département de chirurgie, service d'urologie, ULg CHU, Liège, Belgique
| | - Anne-Catherine Bekaert
- Département de biologie clinique, service de chimie clinique, centre hospitalier universitaire de Liège (ULg CHU), Liège, Belgique
| | - Étienne Cavalier
- Département de biologie clinique, service de chimie clinique, centre hospitalier universitaire de Liège (ULg CHU), Liège, Belgique
| | - Romy Gadisseur
- Département de biologie clinique, service de chimie clinique, centre hospitalier universitaire de Liège (ULg CHU), Liège, Belgique.
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Halbritter J, Baum M, Hynes AM, Rice SJ, Thwaites DT, Gucev ZS, Fisher B, Spaneas L, Porath JD, Braun DA, Wassner AJ, Nelson CP, Tasic V, Sayer JA, Hildebrandt F. Fourteen monogenic genes account for 15% of nephrolithiasis/nephrocalcinosis. J Am Soc Nephrol 2014; 26:543-51. [PMID: 25296721 DOI: 10.1681/asn.2014040388] [Citation(s) in RCA: 138] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Nephrolithiasis is a prevalent condition with a high morbidity. Although dozens of monogenic causes have been identified, the fraction of single-gene disease has not been well studied. To determine the percentage of cases that can be molecularly explained by mutations in 1 of 30 known kidney stone genes, we conducted a high-throughput mutation analysis in a cohort of consecutively recruited patients from typical kidney stone clinics. The cohort comprised 272 genetically unresolved individuals (106 children and 166 adults) from 268 families with nephrolithiasis (n=256) or isolated nephrocalcinosis (n=16). We detected 50 likely causative mutations in 14 of 30 analyzed genes, leading to a molecular diagnosis in 14.9% (40 of 268) of all cases; 20 of 50 detected mutations were novel (40%). The cystinuria gene SLC7A9 (n=19) was most frequently mutated. The percentage of monogenic cases was notably high in both the adult (11.4%) and pediatric cohorts (20.8%). Recessive causes were more frequent among children, whereas dominant disease occurred more abundantly in adults. Our study provides an in-depth analysis of monogenic causes of kidney stone disease. We suggest that knowledge of the molecular cause of nephrolithiasis and nephrocalcinosis may have practical implications and might facilitate personalized treatment.
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Affiliation(s)
| | | | - Ann Marie Hynes
- Institute of Genetic Medicine, International Centre for Life and
| | - Sarah J Rice
- Institute of Genetic Medicine, International Centre for Life and Epithelial Research Group, Institute for Cell and Molecular Biosciences, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - David T Thwaites
- Epithelial Research Group, Institute for Cell and Molecular Biosciences, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Zoran S Gucev
- Medical Faculty Skopje, University Children's Hospital, Skopje, Macedonia; and
| | | | | | | | | | - Ari J Wassner
- Division of Endocrinology, Department of Medicine, and
| | - Caleb P Nelson
- Department of Urology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Velibor Tasic
- Medical Faculty Skopje, University Children's Hospital, Skopje, Macedonia; and
| | - John A Sayer
- Institute of Genetic Medicine, International Centre for Life and
| | - Friedhelm Hildebrandt
- Division of Nephrology, Department of Medicine, Howard Hughes Medical Institute, Chevy Chase, Maryland
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13
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Ferraro PM, D'Addessi A, Gambaro G. When to suspect a genetic disorder in a patient with renal stones, and why. Nephrol Dial Transplant 2013; 28:811-20. [PMID: 23291371 DOI: 10.1093/ndt/gfs545] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Nephrolithiasis is a common disorder, with a rising prevalence in the general population. Its pathogenesis is still unclear, but a role for genetics has long been recognized, especially in cases of the more common calcium nephrolithiasis. Although relatively rare, monogenic causes of hypercalciuria and nephrolithiasis do exist and their timely recognition is important from a prognostic and therapeutic viewpoint. This article reviews the clinical and laboratory findings characterizing inherited causes of nephrolithiasis with a view to helping clinicians to recognize and manage these rare conditions.
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Affiliation(s)
- Pietro Manuel Ferraro
- Division of Nephrology, Department of Internal Medicine and Medical Specialties, Columbus-Gemelli University Hospital, Catholic University, Rome, Italy
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Abstract
Urolithiasis affects approximately 10% of individuals in Western societies by the seventh decade of life. The most common form, idiopathic calcium oxalate urolithiasis, results from the interaction of multiple genes and their interplay with dietary and environmental factors. To date, considerable progress has been made in identifying the metabolic risk factors that predispose to this complex trait, among which hypercalciuria predominates. The specific genetic and epigenetic factors involved in urolithiasis have remained less clear, partly owing to the candidate gene and linkage methods that have been available until now, being inherently low in their power of resolution and in assessing modest effects in complex traits. However, together with investigations of rare, Mendelian forms of urolithiasis associated with various metabolic risk factors, these methods have afforded insights into biological pathways that seem to underlie the development of stones in the urinary tract. Monogenic diseases account for a greater proportion of stone formers in children and adolescents than in adults. Early diagnosis of monogenic forms of urolithiasis is of importance owing to associated renal injury and other potentially treatable disease manifestations, but diagnosis is often delayed because of a lack of familiarity with these rare disorders. In this Review, we will discuss advances in the understanding of the genetics underlying polygenic and monogenic forms of urolithiasis.
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Affiliation(s)
- Carla G Monico
- Division of Nephrology and Hypertension, Department of Internal Medicine, Mayo Clinic Hyperoxaluria Center, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
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[2,8-dihydroxyadenine urolithiasis: case report and literature review]. Urologia 2011; 78:305-9. [PMID: 21553389 DOI: 10.5301/ru.2011.8307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/15/2011] [Indexed: 11/20/2022]
Abstract
INTRODUCTION 2,8-Dihydroxyadenine (DHA) urolithiasis is a rare type of urinary stone disease secondary to deficiency of adenine phosphoribosyltransferase (APRT) activity, a rare, inherited autosomal recessive disease with an incidental rate from 0.4 to 1.2%. The prevalence is higher among Japanese than other ethnic groups. APRT normally catalyzes the conversion of adenine to adenosine monophosphate and its deficiency results in 2,8-dihydroxyadenine (2,8-DHA) accumulation. This compound is extremely insoluble and its crystallization can lead to stone formation and renal failure. We report the case of 2,8-dihydroxyadenine (DHA) urolithiasis in a 52-year-old male patient. MATERIAL AND METHODS In December 2008 a 52-year-old Caucasian man was admitted to our hospital with sudden pain in the left lumbar region. Abdominal X-ray did not show any radiopaque urinary stone. I.V. pielography showed a radiolucent left lumbar ureteral (0.6 mm) and renal (1.5 cm) stone. After therapy with tamsulosin, the ureteral stone was excreted. Successful ESWL treatment was performed for renal stone. He presented a clinical history of several episodes of bilateral renal colic and two prior ESWL treatment for radiolucent stones. Chemolitholysis was never successful. RESULTS. Stone analysis by infrared spectroscopy and microscopic examination of urine reveal typical 2,8-DHA crystals. APRT deficiency was detected in the hemolysate of erythrocyte. Partial deficiency of APRT in the patient's relatives showed heterozygosity of the enzyme defect. Allopurinol therapy successfully prevented further stone formation. 20 months later the patient remains stone free. CONCLUSION Two types of deficit are commonly distinguished, depending on the level of residual APRT activity. Type I is complete enzyme deficiency. Type II shows residual activity in cell lysates, but enzyme activity is not demonstrable in intact cells. About 78% of the Japanese patients belong to type II. The diagnosis of the disease is based on stone analysis by infrared spectroscopy or microscopic examination of urine, which may reveal typical 2,8-DHA crystals. Molecular approach can identify mutations, which are responsible of this inherited disease. Excessive water intake, restriction of foods with high adenine contents and administration of allopurinol are useful treatments. APRT deficiency is a rare disease but we can consider this pathology in case of recurrent radiolucent stones after chemolitolysis.
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Courbebaisse M, Souberbielle JC. Équilibre phosphocalcique : régulation et explorations. Nephrol Ther 2011; 7:118-38. [DOI: 10.1016/j.nephro.2010.12.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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