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Candela L, Chicaud M, Solano C, Ventimiglia E, Kutchukian S, Corrales M, Montorsi F, Salonia A, Panthier F, Doizi S, Haymann JP, Letavernier E, Daudon M, Traxer O. Ureteroscopic management in cystinuric patients: long-term results from a tertiary care referral center. World J Urol 2024; 42:362. [PMID: 38814457 DOI: 10.1007/s00345-024-05067-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 05/15/2024] [Indexed: 05/31/2024] Open
Abstract
OBJECTIVE To evaluate long-term surgical and functional outcomes of cystinuric patients exclusively treated with Ureteroscopy (URS). METHODS Data from patients treated for cystine stones at a single academic center were retrospectively analyzed. The management protocol consisted of (i) treating symptomatic or > 7 mm stones, (ii) multi-staged URS for voluminous stones, (iii) referring patients to a dedicated nephrological clinic. The eGFR was calculated according to the MDRD formula. CKD category was assessed according to the NKF classification. Relevant CKD was defined as CKD category ≥ 3a. Descriptive statistics were used to analyze the cohort data. RESULTS Data from 46 cystinuric patients treated with 332 URS were available. Median age at diagnosis and at first URS in our center were 18 and 32 years, respectively. Median follow-up was 101 months. Median number of URS and recurrences per patient were 6 and 2, respectively. The median interval between the first and the last available creatinine level was 64 months. Median first and last eGFR were 72 and 74 mL/min, respectively. Overall, 83% of patients had stable or improved renal function within the study period. Ureteral stricture occurred in 3 (6.5%) patients. CONCLUSIONS Cystinuria requires intensive endoscopic management. Most patients treated with URS have stable or improved renal function within a long-term follow-up. CKD is a not neglectable event that potentially occurs at an early stage of life. Current findings should be considered for the surgical management of cystinuric patients.
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Affiliation(s)
- Luigi Candela
- Division of Experimental Oncology/Unit of Urology, Università Vita-Salute San Raffaele, URI-Urological Research Institute IRCCS Ospedale San Raffaele, Via Olgettina 60, Milan, 20132, Italy.
- GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Service d'Urologie, Hôpital Tenon, Sorbonne Université, Paris, France.
| | - Marie Chicaud
- GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Service d'Urologie, Hôpital Tenon, Sorbonne Université, Paris, France
- Service d'Urologie, CHU Limoges, Limoges, 87000, France
| | - Catalina Solano
- GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Service d'Urologie, Hôpital Tenon, Sorbonne Université, Paris, France
| | - Eugenio Ventimiglia
- Division of Experimental Oncology/Unit of Urology, Università Vita-Salute San Raffaele, URI-Urological Research Institute IRCCS Ospedale San Raffaele, Via Olgettina 60, Milan, 20132, Italy
| | - Stessy Kutchukian
- GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Service d'Urologie, Hôpital Tenon, Sorbonne Université, Paris, France
- Department of Urology, Poitiers University Hospital, 2 Rue de la Milétrie, Poitiers, 86000, France
| | - Mariela Corrales
- GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Service d'Urologie, Hôpital Tenon, Sorbonne Université, Paris, France
| | - Francesco Montorsi
- Division of Experimental Oncology/Unit of Urology, Università Vita-Salute San Raffaele, URI-Urological Research Institute IRCCS Ospedale San Raffaele, Via Olgettina 60, Milan, 20132, Italy
| | - Andrea Salonia
- Division of Experimental Oncology/Unit of Urology, Università Vita-Salute San Raffaele, URI-Urological Research Institute IRCCS Ospedale San Raffaele, Via Olgettina 60, Milan, 20132, Italy
| | - Frederic Panthier
- GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Service d'Urologie, Hôpital Tenon, Sorbonne Université, Paris, France
| | - Steeve Doizi
- GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Service d'Urologie, Hôpital Tenon, Sorbonne Université, Paris, France
| | - Jean Philippe Haymann
- Explorations Fonctionnelles Multidisciplinaires, AP-HP, Hôpital Tenon, Paris, France
| | - Emmanuel Letavernier
- Explorations Fonctionnelles Multidisciplinaires, AP-HP, Hôpital Tenon, Paris, France
| | - Michel Daudon
- Explorations Fonctionnelles Multidisciplinaires, AP-HP, Hôpital Tenon, Paris, France
| | - Olivier Traxer
- GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Service d'Urologie, Hôpital Tenon, Sorbonne Université, Paris, France
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2
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Prot-Bertoye C, Jung V, Tostivint I, Roger K, Benoist JF, Jannot AS, Van Straaten A, Knebelmann B, Guerrera IC, Courbebaisse M. Effect of urine alkalization on urinary inflammatory markers in cystinuric patients. Clin Kidney J 2024; 17:sfae040. [PMID: 38510798 PMCID: PMC10953617 DOI: 10.1093/ckj/sfae040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Indexed: 03/22/2024] Open
Abstract
Background Cystinuria is associated with a high prevalence of chronic kidney disease (CKD). We previously described a urinary inflammatory-protein signature (UIS), including 38 upregulated proteins, in cystinuric patients (Cys-patients), compared with healthy controls (HC). This UIS was higher in Cys-patients with CKD. In the present observational study, we aimed to investigate the UIS in Cys-patients without CKD and patients with calcium nephrolithiasis (Lith-patients), versus HC and the effect of urine alkalization on the UIS of Cys-patients. Methods UIS was evaluated by nano-liquid chromatography coupled to high-resolution mass spectrometry in adult HC, Lith-patients and non-treated Cys-patients with an estimated glomerular filtration rate >60 mL/min/1.73 m2, and after a 3-month conventional alkalizing treatment in Cys-patients. Results Twenty-one Cys-patients [12 men, median age (interquartile range) 30.0 (25.0-44.0) years], 12 Lith-patients [8 men, 46.2 (39.5-54.2) years] and 7 HC [2 men, 43.1 (31.0-53.9) years] were included. Among the 38 proteins upregulated in our previous work, 11 proteins were also upregulated in Cys-patients compared with HC in this study (5 circulating inflammatory proteins and 6 neutrophil-derived proteins). This UIS was also found in some Lith-patients. Using this UIS, we identified two subclusters of Cys-patients (5 with a very high/high UIS and 16 with a moderate/low UIS). In the Cys-patients with very high/high UIS, urine alkalization induced a significant decrease in urinary neutrophil-derived proteins. Conclusion A high UIS is present in some Cys-patients without CKD and decreases under alkalizing treatment. This UIS could be a prognostic marker to predict the evolution towards CKD in cystinuria.
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Affiliation(s)
- Caroline Prot-Bertoye
- Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Service de Physiologie – Explorations fonctionnelles, Paris, France
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université Paris Cité, Paris, France
- CNRS ERL 8228 – Laboratoire de Physiologie Rénale et Tubulopathies, Paris, France
- Centre de Référence des Maladies Rénales Héréditaires de l'Enfant et de l'Adulte (MARHEA), Paris, France
- Centre de Référence des Maladies Rares du Calcium et du Phosphate, Paris, France
- Association LUNNE Lithiases UriNaires Network, Paris, France
| | - Vincent Jung
- Proteomics Platform Necker, Université Paris Cité – Structure Fédérative de Recherche Necker, INSERM US24/CNRS UAR3633, Paris, France
| | - Isabelle Tostivint
- Centre de Référence des Maladies Rénales Héréditaires de l'Enfant et de l'Adulte (MARHEA), Paris, France
- Association LUNNE Lithiases UriNaires Network, Paris, France
- Assistance Publique-Hôpitaux de Paris, Hôpital de la Pitié Salpêtrière, Service de Néphrologie, Paris, France
- GRC 20 ARDELURO groupe de recherche clinique Analyse, Recherche, Développement et Evaluation en Endourologie et Lithiase Urinaire, Médecine Sorbonne Université, Paris, France
| | - Kevin Roger
- Proteomics Platform Necker, Université Paris Cité – Structure Fédérative de Recherche Necker, INSERM US24/CNRS UAR3633, Paris, France
| | - Jean-François Benoist
- Faculté de pharmacie, Université Paris Saclay, Orsay, France
- Assistance Publique-Hôpitaux de Paris, Hôpital Necker, Service de Biochimie métabolique, Paris, France
| | - Anne-Sophie Jannot
- Assistance Publique-Hôpitaux de Paris – Centre, Université Paris Cité, Hôpital Européen Georges Pompidou, Service d'informatique Médicale, Santé Publique et Biostatistiques, Paris, France. HeKA, Centre de recherche des Cordeliers, INSERM, INRIA, Paris, France
| | - Alexis Van Straaten
- Assistance Publique-Hôpitaux de Paris – Centre, Université Paris Cité, Hôpital Européen Georges Pompidou, Service d'informatique Médicale, Santé Publique et Biostatistiques, Paris, France. HeKA, Centre de recherche des Cordeliers, INSERM, INRIA, Paris, France
| | - Bertrand Knebelmann
- Faculté de médecine, Université Paris Cité, Paris, France
- Assistance Publique-Hôpitaux de Paris, Hôpital Necker, Service de Néphrologie, Paris, France
- INEM Unité Inserm U1151, Paris, France
| | - Ida Chiara Guerrera
- Proteomics Platform Necker, Université Paris Cité – Structure Fédérative de Recherche Necker, INSERM US24/CNRS UAR3633, Paris, France
| | - Marie Courbebaisse
- Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Service de Physiologie – Explorations fonctionnelles, Paris, France
- Centre de Référence des Maladies Rénales Héréditaires de l'Enfant et de l'Adulte (MARHEA), Paris, France
- Centre de Référence des Maladies Rares du Calcium et du Phosphate, Paris, France
- Association LUNNE Lithiases UriNaires Network, Paris, France
- Faculté de médecine, Université Paris Cité, Paris, France
- INEM Unité Inserm U1151, Paris, France
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Ene MA, Geavlete PA, Simeanu CE, Bulai CA, Ene CV, Geavlete BF. The effectiveness of citrates and pyridoxine in the treatment of kidney stones. J Med Life 2023; 16:856-861. [PMID: 37675156 PMCID: PMC10478649 DOI: 10.25122/jml-2023-0234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 05/25/2023] [Indexed: 09/08/2023] Open
Abstract
The prevalence of nephrolithiasis is increasing across all demographic groups. Apart from the morbidity associated with an acute occurrence, preventative treatment is essential for stone disease, which can become a long-term problem. Simple interventions like fluid intake optimization and dietary modification are effective for most stone types. However, patients with specific metabolic abnormalities may require pharmaceutical therapy if lifestyle changes are insufficient to reduce the risk of stone recurrence. The treatment of citrates and/or pyridoxines may help eliminate or prevent recurrences of kidney stones, especially when they are composed of uric acid, calcium oxalate, calcium phosphate, or the latter two together. In cases of struvite stones, which often necessitate a surgical approach, acetohydroxamic acid emerges as a valuable second-line treatment option. Thiol-binding agents may be needed for cystinuria, as well as lifestyle modifications. Successful treatment reduces stone recurrence and the need to remove stones surgically.
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Affiliation(s)
- Mihai Andrei Ene
- Department of Urology, Sf. Ioan Emergency Clinical Hospital, Bucharest, Romania
| | - Petrişor Aurelian Geavlete
- Department of Urology, Sf. Ioan Emergency Clinical Hospital, Bucharest, Romania
- Department of Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | | | - Cătălin Andrei Bulai
- Department of Urology, Sf. Ioan Emergency Clinical Hospital, Bucharest, Romania
- Department of Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Cosmin Victor Ene
- Department of Urology, Sf. Ioan Emergency Clinical Hospital, Bucharest, Romania
- Department of Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Bogdan Florin Geavlete
- Department of Urology, Sf. Ioan Emergency Clinical Hospital, Bucharest, Romania
- Department of Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
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Henly EL, Phillips S, Bassett J, Mishra V. Service evaluation of a clinical scientist-led cystinuria clinic. Ann Clin Biochem 2023; 60:75-76. [PMID: 36321742 DOI: 10.1177/00045632221138019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Emma L Henly
- Biochemistry, 4595Royal Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool, UK
| | - Suzannah Phillips
- Biochemistry, 4595Royal Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool, UK
| | - John Bassett
- Biochemistry, 4595Royal Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool, UK
| | - Vinita Mishra
- Biochemistry, 4595Royal Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool, UK
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5
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Case-based review of dietary management of cystinuria. World J Urol 2022; 41:1215-1220. [PMID: 36565321 DOI: 10.1007/s00345-022-04263-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 12/08/2022] [Indexed: 12/25/2022] Open
Abstract
PURPOSE The currently recommended treatment strategy for cystine stone formers is based on a progressive approach that starts with the most conservative measures. In patients with cystinuria, increased patient compliance with dietary management and medical treatment is associated with fewer stone interventions. In this case-based review, the dietary management of cystine stone former was reviewed under the guidance of evidence-based medicine. METHODS The dietary management of the 13-year-old cystinuria patient, who underwent 18 endourological stone interventions, was reviewed in the light of evidence-based medicine. A literature search was performed in Pubmed, MEDLINE, Embase, and Cochrane Library databases according to PRISMA guidelines published from 1993 to September 2022. A total of 304 articles were included in this paper. RESULTS In managing patients with cystinuria, hyperhydration, and alkalinization of the urine with medical treatment, the rational use of cystine-binding drugs by taking into account individual situations has come to the fore. A limited study has argued that a vegetarian diet is effective as the alkaline load from fruits and vegetables can reduce the amount of alkalizing substances required to achieve urinary alkalinization above pH 7.5, making it particularly suitable for the dietary treatment of cystine stone disease. CONCLUSION Life-long follow-up with dietary modification, hyperhydration, and personalized medical therapy (alkalinization and cystine-binding drugs) are critical in preventing chronic kidney disease and kidney failure in cystinuria.
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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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Takahashi T, Somiya S, Ito K, Kanno T, Higashi Y, Yamada H. The Long-Term Follow-Up of Patients with Cystine Stones: A Single-Center Experience for 13 Years. J Clin Med 2021; 10:jcm10071336. [PMID: 33804827 PMCID: PMC8037008 DOI: 10.3390/jcm10071336] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/22/2021] [Accepted: 03/22/2021] [Indexed: 11/18/2022] Open
Abstract
Introduction: Cystine stone development is relatively uncommon among patients with urolithiasis, and most studies have reported only on small sample sizes and short follow-up periods. We evaluated clinical courses and treatment outcomes of patients with cystine stones with long-term follow-up at our center. Methods: We retrospectively analyzed 22 patients diagnosed with cystine stones between January 1989 and May 2019. Results: The median follow-up was 160 (range 6–340) months, and the median patient age at diagnosis was 46 (range 12–82) years. All patients underwent surgical interventions at the first visit (4 extracorporeal shockwave lithotripsy, 5 ureteroscopy, and 13 percutaneous nephrolithotripsy). The median number of stone events and surgical interventions per year was 0.45 (range 0–2.6) and 0.19 (range 0–1.3) after initial surgical intervention. The median time to stone events and surgical intervention was 2 years and 3.25 years, respectively. There was a significant difference in time to stone events and second surgical intervention when patients were divided at 50 years of age at diagnosis (p = 0.02, 0.04, respectively). Conclusions: Only age at a diagnosis under 50 was significantly associated with recurrent stone events and intervention. Adequate follow-up and treatment are needed to manage patients with cystine stones safely.
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Affiliation(s)
| | | | | | | | | | - Hitoshi Yamada
- Correspondence: ; Tel.: +81-75-572-6331; Fax: +81-75-571-8877
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8
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Vinit N, Khoury A, Lopez P, Heidet L, Botto N, Traxer O, Boyer O, Blanc T, Lottmann HB. Extracorporeal Shockwave Lithotripsy for Cystine Stones in Children: An Observational, Retrospective, Single-Center Analysis. Front Pediatr 2021; 9:763317. [PMID: 34869121 PMCID: PMC8636798 DOI: 10.3389/fped.2021.763317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 10/15/2021] [Indexed: 11/18/2022] Open
Abstract
Purpose: Cystinuria is a genetic disorder characterized by a defective reabsorption of cystine and dibasic amino acids leading to development of urinary tract calculi from childhood onward. Cystine lithiasis is known to be resistant to fragmentation. The aim was to evaluate our long-term experience with extracorporeal shockwave lithotripsy (ESWL) used as first-line urological treatment to treat cystine stones in children. Methods: We retrospectively reviewed the charts of all children who underwent ESWL for cystine stone. We assessed the 3-month stone-free rate, according to age, younger (group 1) or older (group 2) than 2 years old. Results: Between 2003 and 2016, 15 patients with a median (IQR) age at first treatment of 48 (15-108) months underwent ESWL in monotherapy. Median age was, respectively, 15 and 108 months in each group. The median (IQR) stone burden was 2,620 (1,202-8,265) mm3 in group I and 4,588 (2,039-5,427) mm3 in group II (p = 0.96). Eleven patients had bilateral calculi. ESWL was repeated on average 2.4 times, with a maximum of 4 for patients of group I, and 4.8 times, with a maximum of 9 for group II (p > 0.05). ESWL in monotherapy was significantly more efficient to reach stone-free status for children under 2 years of age: 83% vs. 6.2% (p = 0.040). The median (IQR) follow-up of the study was 69 (42-111) months. Conclusion: ESWL appears as a valid urological option for the treatment of cystine stones, in young children. Even if cystine stones are known to be resistant to fragmentation, we report 83% of stone-free status at 3 months with ESWL used in monotherapy in children under 2 years old with cystinuria. In older children, the success rate is too low to recommend ESWL as a first line approach.
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Affiliation(s)
- Nicolas Vinit
- Department of Pediatric Surgery and Urology, Necker-Enfants Malades Hospital, APHP, Paris, France
| | - Antoine Khoury
- Department of Pediatric Surgery and Urology, Necker-Enfants Malades Hospital, APHP, Paris, France
| | - Pauline Lopez
- Department of Pediatric Surgery and Urology, Necker-Enfants Malades Hospital, APHP, Paris, France
| | - Laurence Heidet
- Department of Pediatric Nephrology, Reference Center for Inherited Renal Disease (MARHEA), Necker-Enfants Malades Hospital, APHP, Paris, France.,INSERM UMR 1163, Laboratory of Inherited Kidney Diseases, Imagine Institute, Université de Paris, Paris, France
| | - Nathalie Botto
- Department of Pediatric Surgery and Urology, Necker-Enfants Malades Hospital, APHP, Paris, France
| | - Olivier Traxer
- Department of Urology, Tenon Hospital, APHP, Paris, France.,Groupe de Recherche Clinique sur la Lithiase Urinaire (GRC no 20), Tenon Hospital, Sorbonne Université, Paris, France.,Sorbonne Université, Paris, France
| | - Olivia Boyer
- Department of Pediatric Nephrology, Reference Center for Inherited Renal Disease (MARHEA), Necker-Enfants Malades Hospital, APHP, Paris, France.,INSERM UMR 1163, Laboratory of Inherited Kidney Diseases, Imagine Institute, Université de Paris, Paris, France.,Université de Paris, Paris, France
| | - Thomas Blanc
- Department of Pediatric Surgery and Urology, Necker-Enfants Malades Hospital, APHP, Paris, France.,Université de Paris, Paris, France.,INSERM U1151-CNRS UMR 8253, Université de Paris, Paris, France
| | - Henri B Lottmann
- Department of Pediatric Surgery and Urology, Necker-Enfants Malades Hospital, APHP, Paris, France
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9
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Servais A, Thomas K, Dello Strologo L, Sayer JA, Bekri S, Bertholet-Thomas A, Bultitude M, Capolongo G, Cerkauskiene R, Daudon M, Doizi S, Gillion V, Gràcia-Garcia S, Halbritter J, Heidet L, van den Heijkant M, Lemoine S, Knebelmann B, Emma F, Levtchenko E. Cystinuria: clinical practice recommendation. Kidney Int 2020; 99:48-58. [PMID: 32918941 DOI: 10.1016/j.kint.2020.06.035] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 06/15/2020] [Accepted: 06/16/2020] [Indexed: 02/07/2023]
Abstract
Cystinuria (OMIM 220100) is an autosomal recessive hereditary disorder in which high urinary cystine excretion leads to the formation of cystine stones because of the low solubility of cystine at normal urinary pH. We developed clinical practice recommendation for diagnosis, surgical and medical treatment, and follow-up of patients with cystinuria. Elaboration of these clinical practice recommendations spanned from June 2018 to December 2019 with a consensus conference in January 2019. Selected topic areas were chosen by the co-chairs of the conference. Working groups focusing on specific topics were formed. Group members performed systematic literature review using MEDLINE, drafted the statements, and discussed them. They included geneticists, medical biochemists, pediatric and adult nephrologists, pediatric and adult urologists experts in cystinuria, and the Metabolic Nephropathy Joint Working Group of the European Reference Network for Rare Kidney Diseases (ERKNet) and eUROGEN members. Overall 20 statements were produced to provide guidance on diagnosis, genetic analysis, imaging techniques, surgical treatment (indication and modalities), conservative treatment (hydration, dietetic, alkalinization, and cystine-binding drugs), follow-up, self-monitoring, complications (renal failure and hypertension), and impact on quality of life. Because of the rarity of the disease and the poor level of evidence in the literature, these statements could not be graded. This clinical practice recommendation provides guidance on all aspects of the management of both adults and children with cystinuria, including diagnosis, surgery, and medical treatment.
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Affiliation(s)
- Aude Servais
- Nephrology and Transplantation Department, Centre de Référence des Maladies Rénales Héréditaires de l'Enfant et de l'Adulte, Necker Hospital, APHP, Université de Paris, Paris, France.
| | - Kay Thomas
- Stone Unit, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Luca Dello Strologo
- Renal Transplant Clinic, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - John A Sayer
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Central Parkway, Newcastle upon Tyne, UK; The Newcastle upon Tyne NHS Hospitals Foundation Trust, Newcastle upon Tyne, UK; NIHR Newcastle Biomedical Research Centre, Newcastle upon Tyne, UK
| | - Soumeya Bekri
- Department of Metabolic Biochemistry, Rouen University Hospital, Rouen, France
| | - Aurelia Bertholet-Thomas
- Centre de Référence des Maladies Rénales Rares, Filière ORKID, Service de Néphrologie, Rhumatologie et Dermatologie Pédiatriques, Hôpital Femme-Mère-Enfant, Hospices Civils de Lyon, Université Claude-Bernard Lyon 1, Lyon, France
| | | | - Giovanna Capolongo
- Unit of Nephrology, Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli," Naples, Italy
| | | | - Michel Daudon
- UMR S 1155 and Physiology Unit, AP-HP, Hôpital Tenon, Sorbonne Université and INSERM, Paris, France
| | - Steeve Doizi
- Sorbonne Université, GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Service d'Urologie, Hôpital Tenon, AP-HP, Paris, France
| | - Valentine Gillion
- Département de Néphrologie adulte, Cliniques universitaires Saint Luc, Bruxelles, Belgium
| | - Silvia Gràcia-Garcia
- Laboratory of Renal Lithiasis, Clinical Laboratories, Fundació Puigvert, Barcelona, Spain
| | - Jan Halbritter
- Division of Nephrology, Department of Endocrinology, Nephrology, and Rheumatology, University of Leipzig Medical Center, Leipzig, Germany
| | - Laurence Heidet
- Néphrologie Pédiatrique, Centre de Référence MARHEA, Hôpital universitaire Necker-Enfants Malades, Paris, France
| | - Marleen van den Heijkant
- Pediatric Renal Center, University Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Sandrine Lemoine
- Nephrology and Renal Function Unit, Edouard Herriot Hospital, Hospices Civils de Lyon, Lyon, France; University of Lyon, Lyon, France
| | - Bertrand Knebelmann
- Nephrology and Transplantation Department, Centre de Référence des Maladies Rénales Héréditaires de l'Enfant et de l'Adulte, Necker Hospital, APHP, Université de Paris, Paris, France
| | - Francesco Emma
- Division of Nephrology, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Elena Levtchenko
- Division of Pediatric Nephrology, University Hospitals Leuven, Leuven, Belgium; Department of Development and Regeneration, Katholieke Universiteit Leuven, Leuven, Belgium
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10
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Chuang TF, Hung HC, Li SF, Lee MW, Pai JY, Hung CT. Risk of chronic kidney disease in patients with kidney stones-a nationwide cohort study. BMC Nephrol 2020; 21:292. [PMID: 32698782 PMCID: PMC7376912 DOI: 10.1186/s12882-020-01950-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 07/13/2020] [Indexed: 11/13/2022] Open
Abstract
Background Chronic kidney disease (CKD) and kidney stones are common in Taiwan; in particular, CKD has a high prevalence but low self-awareness rate. CKD-related risk factors such as diabetes, hypertension, and nephrotoxic drugs are well-known and uncontested; however, kidney stones are relatively less studied and easily overlooked as a risk factor. The objective of this study was to investigate whether kidney stones are a risk factor for CKD. Methods We conducted a nationwide population-based matched cohort study to assess the risk of incident CKD in people with kidney stones. Data on incident stones formers in the year 2001—excluding those with a history of CKD—were obtained from Taiwan’s National Health Insurance database. Stone formers were matched (1:4) to control subjects according to sex, age, and index date. The total observation period of the study was 10 years, and the primary end-point was the occurrence of CKD. Student’s t-test and Chi-squared test were used to compare continuous and categorical data, respectively. Logistic regression was used to calculate the odds ratio of kidney stone patients with incident CKD relative to the control group. Cox proportional hazard regression model was used to obtain the hazard ratio for development of incident CKD among patients with kidney stones. Results The incidence of CKD in the kidney stone cohort was 11.2%, which was significantly higher than that of the control group (P < .001). Survival analysis showed that the stones cohort was 1.82 times more likely to experience CKD than the controls. Age, sex, hypertension, diabetes mellitus, and hyperlipidemia increased the risk of CKD incidence (1.04, 1.27, 1.55, 3.31, and 1.25 times, respectively). Conclusion Kidney stones are a definite risk factor for CKD; therefore, patients with stones are suggested to undergo regular renal function monitoring and receive appropriate treatment to avoid CKD.
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Affiliation(s)
- Tzung-Fang Chuang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Internal Medicine, Nantou Hospital, Ministry of Health and Welfare, Nantou, Taiwan.,Central Taiwan University of Science and Technology; Department of Healthcare Administration, No. 666, Buzi Rd., Beitun Dist, Taichung City, 406, Taiwan
| | - Hung-Chang Hung
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Internal Medicine, Nantou Hospital, Ministry of Health and Welfare, Nantou, Taiwan.,Central Taiwan University of Science and Technology; Department of Healthcare Administration, No. 666, Buzi Rd., Beitun Dist, Taichung City, 406, Taiwan
| | - Shu-Fen Li
- Central Taiwan University of Science and Technology; Department of Healthcare Administration, No. 666, Buzi Rd., Beitun Dist, Taichung City, 406, Taiwan
| | - Mei-Wen Lee
- Central Taiwan University of Science and Technology; Department of Healthcare Administration, No. 666, Buzi Rd., Beitun Dist, Taichung City, 406, Taiwan
| | - Jar-Yuan Pai
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chin-Tun Hung
- Central Taiwan University of Science and Technology; Department of Healthcare Administration, No. 666, Buzi Rd., Beitun Dist, Taichung City, 406, Taiwan.
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11
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Abstract
Background Cystinuria is an inherited disorder of renal amino acid transport that causes recurrent nephrolithiasis and significant morbidity in humans. It has an incidence of 1 in 7000 worldwide making it one of the most common genetic disorders in man. We phenotypically characterized a mouse model of cystinuria type A resultant from knockout of Slc3a1. Methods Knockout of Slc3a1 at RNA and protein levels was evaluated using real-time quantitative PCR and immunofluorescence. Slc3a1 knockout mice were placed on normal or breeder chow diets and evaluated for cystine stone formation over time suing x-ray analysis, and the development of kidney injury by measuring injury biomarkers. Kidney injury was also evaluated via histologic analysis. Amino acid levels were measured in the blood of mice using high performance liquid chromatography. Liver glutathione levels were measured using a luminescent-based assay. Results We confirmed knockout of Slc3a1 at the RNA level, while Slc7a9 RNA representing the co-transporter was preserved. As expected, we observed bladder stone formation in Slc3a1−/− mice. Male Slc3a1−/− mice exhibited lower weights compared to Slc3a1+/+. Slc3a1−/− mice on a regular diet demonstrated elevated blood urea nitrogen (BUN) without elevation of serum creatinine. However, placing the knockout animals on a breeder chow diet, containing a higher cystine concentration, resulted in the development of elevation of both BUN and creatinine indicative of more severe chronic kidney disease. Histological examination revealed that these dietary effects resulted in worsened kidney tubular obstruction and interstitial inflammation as well as worsened bladder inflammation. Cystine is a precursor for the antioxidant molecule glutathione, so we evaluated glutathione levels in the livers of Slc3a1−/− mice. We found significantly lowered levels of both reduced and total glutathione in the knockout animals. Conclusions Our results suggest that that diet can affect the development and progression of chronic kidney disease in an animal model of cystinuria, which may have important implications for patients with this disease. Additionally, reduced glutathione may predispose those with cystinuria to injury caused by oxidative stress. Word count: 327. Electronic supplementary material The online version of this article (10.1186/s12882-019-1417-8) contains supplementary material, which is available to authorized users.
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12
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Prot-Bertoye C, Lebbah S, Daudon M, Tostivint I, Jais JP, Lillo-Le Louët A, Pontoizeau C, Cochat P, Bataille P, Bridoux F, Brignon P, Choquenet C, Combe C, Conort P, Decramer S, Doré B, Dussol B, Essig M, Frimat M, Gaunez N, Joly D, Le Toquin-Bernard S, Méjean A, Meria P, Morin D, N'Guyen HV, Normand M, Pietak M, Ronco P, Saussine C, Tsimaratos M, Friedlander G, Traxer O, Knebelmann B, Courbebaisse M. Adverse events associated with currently used medical treatments for cystinuria and treatment goals: results from a series of 442 patients in France. BJU Int 2019; 124:849-861. [PMID: 30801923 DOI: 10.1111/bju.14721] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE To evaluate medical treatments, in terms of adverse events (AEs) and therapeutic goals, in a large series of patients with cystinuria. PATIENTS AND METHODS Data from 442 patients with cystinuria were recorded retrospectively. Crystalluria was studied in 89 patients. A mixed-effects logistic regression model was used to estimate how urine pH, specific gravity and cysteine-binding thiols (CBT) correlate with risk of cystine crystalluria. RESULTS Alkalizing agents and CBT agents were given to 88.8% (n = 381) and 55.3% (n = 238) of patients, respectively. Gastrointestinal AEs were reported in 12.3%, 10.4% and 2.6% of patients treated with potassium bicarbonate, potassium citrate and sodium bicarbonate, respectively (P = 0.008). The percentages of patients who experienced at least one AE with tiopronin (24.6%) and with D-penicillamine (29.5%) were similar (P = 0.45). Increasing urine pH and decreasing urine specific gravity significantly reduced the risk of cystine crystalluria, whereas D-penicillamine and tiopronin treatments did not reduce this risk (odds ratio [OR] 1 for pH ≤6.5; OR 0.52 [95% confidence interval {95% CI} 0.28-0.95] for 7.0 <pH ≤7.5, P = 0.03; OR 0.26 [95% CI 0.13-0.53] for 7.5 < pH ≤8.0, P <0.001; OR 1 for specific gravity ≤1.005 OR 5.76 [95% CI 1.45-22.85] for 1.006 ≤ specific gravity ≤1.010, P = 0.01; and OR 11.06 [95% CI 2.76-44.26] for 1.011 ≤ specific gravity ≤ 1.014, P < 0.001). Increased urine pH significantly increased the risk of calcium phosphate crystalluria (OR 1 for pH≤ 6.5; OR 6.09 [95% CI 2.15-17.25] for pH >8.0, P <0.001). CONCLUSION Adverse events were frequent with D-penicillamine and tiopronin. Alkaline hyperdiuresis was well tolerated and reduced cystine crystalluria. Urine specific gravity ≤1.005 and urine pH >7.5, while warning about calcium-phosphate crystallization, should be the goals of medical therapy.
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Affiliation(s)
- Caroline Prot-Bertoye
- Department of Physiology, Functional Renal Explorations Department, AP-HP (Public Assistance Hospitals of Paris), Georges Pompidou European Hospital, Paris Descartes University, Paris, France.,INSERM UMRS 1138, Paris, France
| | - Saïd Lebbah
- Department of Biostatistics, AP-HP, Necker Hospital for Sick Children, Paris Descartes University, Medicine, Paris, France
| | - Michel Daudon
- Department of Physiology, Functional Renal Explorations Department, AP-HP, Tenon Hospital Pierre and Marie Curie University, INSERM UMR S 1155, Paris, France
| | - Isabelle Tostivint
- Department of Nephrology, AP-HP, Pitié-Salpétrière Hospital, Paris, France
| | - Jean-Philippe Jais
- Department of Biostatistics, AP-HP, Necker Hospital for Sick Children, Paris Descartes University, Paris, France.,Inserm UMRS 1138 team 22, Paris, France
| | - Agnés Lillo-Le Louët
- Department of Pharmacovigilance, AP-HP, Georges Pompidou European Hospital, Paris, France
| | - Clément Pontoizeau
- Functional Unit of Metabolomics, Functional Explorations Department, APHP, Necker Hospital for Sick Children, Paris Descartes University, Paris, France
| | - Pierre Cochat
- Department of Pediatrics, Hospices Civils de Lyon, Centre de Référence des Maladies Rénales Rares Néphrogones, Lyon, France
| | - Pierre Bataille
- Department of Nephrology, Boulogne-sur-Mer Hospital, Boulogne sur Mer, France
| | - Franck Bridoux
- Department of Neprhology, Poitiers University Hospital, Poitiers University, Poitiers, France
| | - Pierre Brignon
- Department of Nephrology, Pasteur Hospital, Colmar, France
| | | | - Christian Combe
- Department of Nephrology, Bordeaux University Hospital, Bordeaux University, Bordeaux, France
| | - Pierre Conort
- Department of Urology, AP-HP, Pitié-Salpétrière Hospital, Paris, France
| | - Stéphane Decramer
- Department of Nephrology and Internal Medicine, Toulouse University Children Hospital, Toulouse, France.,INSERM U1048, Toulouse, France
| | - Bertrand Doré
- Department of Urology, Poitiers University Hospital, Poitiers University, Poitiers, France
| | - Bertrand Dussol
- Department of Nephrology, AP-HM (Public Assistance Hospitals of Marseille), Conception Hospital, Aix-Marseille University, Marseille, France
| | - Marie Essig
- Department of Nephrology, Dialysis and Transplantation, Limoges University Hospital, Limoges University, Limoges, France.,INSERM UMR-S850, Limoges, France
| | - Marie Frimat
- Department of Nephrology, Claude Huriez University Hospital, Lille, France
| | | | - Dominique Joly
- Department of Nephrology, AP-HP, Necker Hospital for Sick Children, Paris Descartes University, Medicine, Paris, France
| | | | - Arnaud Méjean
- Department of Urology, AP-HP, Georges Pompidou European Hospital, Paris Descartes University, Medicine, Paris, France
| | - Paul Meria
- Department of Urology, AP-HP, Saint-Louis Hospital, Paris, France
| | - Denis Morin
- Department of Pediatrics (Pediatric Nephrology and Diabetology), Montpellier University Hospital, Montpellier, France.,CNRS, UMR 5203-INSERM U661, Montpellier, France
| | - Hung V N'Guyen
- Department of Urology, AP-HP, Saint-Louis Hospital, Paris, France
| | - Michel Normand
- Department of Nephrology, Private Saint-Martin Hospital, Pessac, France
| | - Michel Pietak
- Department of Urology, AP-HP, Georges Pompidou European Hospital, Paris, France
| | - Pierre Ronco
- Department of Nephrology and Dialysis, AP-HP, Tenon Hospital, Pierre and Marie Curie University, Paris, France.,INSERM Unit 702, Paris, France
| | - Christian Saussine
- Department of Urology, Strasbourg University Hospital, Strasbourg University, Strasbourg, France
| | - Michel Tsimaratos
- Department of Pediatrics, AP-HM, La Timone Hospital, Aix-Marseille University, Marseille, France
| | - Gérard Friedlander
- Department of Physiology, Functional Renal Explorations Department, AP-HP (Public Assistance Hospitals of Paris), Georges Pompidou European Hospital, Paris Descartes University, Paris, France.,INSERM U1151, Paris, France
| | - Olivier Traxer
- Department of Urology, AP-HP, Tenon Hospital, Pierre and Marie Curie University, Paris, France
| | - Bertrand Knebelmann
- Department of Nephrology, AP-HP, Necker Hospital for Sick Children, Paris Descartes University, Medicine, Paris, France
| | - Marie Courbebaisse
- Department of Physiology, Functional Renal Explorations Department, AP-HP (Public Assistance Hospitals of Paris), Georges Pompidou European Hospital, Paris Descartes University, Paris, France.,INSERM U1151, Paris, France
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13
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Hypertension and renal impairment in patients with cystinuria: findings from a specialist cystinuria centre. Urolithiasis 2019; 47:357-363. [PMID: 30805669 PMCID: PMC6647081 DOI: 10.1007/s00240-019-01110-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 01/08/2019] [Indexed: 11/29/2022]
Abstract
Higher blood pressures (mean systolic difference 16.8 mmHg) when compared to matched individuals are already reported in patients with calcium urolithiasis. We present the prevalence of hypertension and renal impairment in patients with cystinuria from our specialist single centre. We analysed our prospective database of adult patients with cystinuria who attend our cystinuria service. This included details of the medical and operative management of their disease. Descriptive statistics were used to analyse and present the data. 120 patients were included with a median age of 40 (19–76) years, 66 were male (55%) and 54 were female (45%). 54/120 patients (45%) were taking medications to prevent stone formation. 78% (94/120) patients reported having undergone one or more stone-related procedure. 59% (55/94) of these having required at least one PCNL or open procedure during their lifetime. Prevalence of hypertension was 50.8% (61/120), and double in males compared to females (62.1% vs. 37.0%, P = 0.0063). Mean baseline creatinine was 88.2 (49–153) µmol/l and eGFR was 77.6 (32–127) ml/min/1.73 m2. When categorized by CKD stage, only 24.6% (27% vs. 21%, M vs. F) patients had normal renal function (being an eGFR > 89 ml/min/1.73 m2). 57.6% patients were CKD stage 2 and 17.8% CKD stage 3. Females had a slightly greater incidence of renal impairment. All patients who have previously undergone a nephrectomy (n = 10) or have a poorly functioning kidney (n = 19) have renal impairment (CKD stage 2 or 3). Incidence of hypertension in patients with cystinuria is 51%, with a male preponderance. Only 25% of patients with cystinuria have normal renal function. This highlights the long-term cardiovascular and renal risks that the metabolic effects of cystinuria pose, in addition to the challenges of managing recurrent urolithiasis in a young population.
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14
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Guha M, Banerjee H, Mitra P, Das M. The Demographic Diversity of Food Intake and Prevalence of Kidney Stone Diseases in the Indian Continent. Foods 2019; 8:E37. [PMID: 30669549 PMCID: PMC6352122 DOI: 10.3390/foods8010037] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 12/23/2018] [Accepted: 12/24/2018] [Indexed: 01/14/2023] Open
Abstract
Food intake plays a pivotal role in human growth, constituting 45% of the global economy and wellbeing in general. The consumption of a balanced diet is essential for overall good health, and a lack of equilibrium can lead to malnutrition, prenatal death, obesity, osteoporosis and bone fractures, coronary heart diseases (CHD), idiopathic hypercalciuria, diabetes, and many other conditions. CHD, osteoporosis, malnutrition, and obesity are extensively discussed in the literature, although there are fragmented findings in the realm of kidney stone diseases (KSD) and their correlation with food intake. KSD associated with hematuria and renal failure poses an increasing threat to healthcare infrastructures and the global economy, and its emergence in the Indian population is being linked to multi-factorial urological disorder resulting from several factors. In this realm, epidemiological, biochemical, and macroeconomic situations have been the focus of research, even though food intake is also of paramount importance. Hence, in this article, we review the corollary associations with the consumption of diverse foods and the role that these play in KSD in an Indian context.
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Affiliation(s)
- Manalee Guha
- Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, India.
| | - Hritwick Banerjee
- Department of Biomedical Engineering, Faculty of Engineering, 4 Engineering Drive 3, National University of Singapore, Singapore 117583, Singapore.
| | - Pubali Mitra
- Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, India.
| | - Madhusudan Das
- Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, India.
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15
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Lieske JC, Wang X. Heritable traits that contribute to nephrolithiasis. Urolithiasis 2018; 47:5-10. [PMID: 30460525 DOI: 10.1007/s00240-018-1095-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 11/08/2018] [Indexed: 02/07/2023]
Abstract
Urinary stones tend to cluster in families. Of the known risk factors, evidence is strongest for heritability of urinary calcium excretion. Recent studies suggest that other stone risk factors may have heritable components including urinary pH, citrate and magnesium excretion, and circulating vitamin D concentration. Several risk factors assumed purely environmental may also have heritable components, including dietary intake and thirst. Thus, future studies may reveal that genetics plays an even stronger role in urinary stone pathogenesis than previously known.
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Affiliation(s)
- John C Lieske
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55901, USA. .,Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA.
| | - Xiangling Wang
- Genomic Medicine Institute, Department of Nephrology and Hypertension, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
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16
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Usawachintachit M, Sherer B, Hudnall M, Tzou DT, Taguchi K, Hsi RS, Stoller M, Chi T. Clinical Outcomes for Cystinuria Patients with Unilateral Versus Bilateral Cystine Stone Disease. J Endourol 2018; 32:148-153. [PMID: 29179563 DOI: 10.1089/end.2017.0335] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
INTRODUCTION Cystinuria is a genetic disorder marked by elevated urinary cystine excretion and recurrent cystine nephrolithiasis. Interestingly, despite seemingly similar contralateral renal anatomy, a subset of cystinuric patients consistently form stones in only one kidney. The aim of this study is to evaluate clinical outcomes in unilateral vs bilateral cystine stone formers. PATIENTS AND METHODS We performed a retrospective case-control study of cystinuric patients evaluated and treated at the University of California, San Francisco between 1994 and 2015 and categorized patients as either unilateral or bilateral stone formers. Clinical presentation, baseline patient demographics, stone procedures, medical therapy regimens, and long-term renal function were compared between the two groups. RESULTS A total of 42 cystine stone patients (22 female, 20 male) were included in the analysis. The median age at first presentation was 18.5 years and median age at study conclusion was 45.5 years. Two-thirds of patients (n = 28) had a history of bilateral stones, whereas one-third (n = 14) had unilateral stones. Medical therapy regimens were similar between groups. Despite an increased average number of lifetime surgeries (7.5 sessions for bilateral vs 3.7 sessions for unilateral, p < 0.05), there was no significant difference in medians of the most recent glomerular filtration rate when compared with unilateral stone formers (81.5 vs 95 mL/min, respectively; p = 0.28). CONCLUSIONS The majority of cystinuric patients within our cohort form stones bilaterally during their lifetime, and require more surgical interventions than unilateral stone formers. Despite this, overall renal function is well preserved in unilateral and bilateral cystinuric stone formers treated with minimally invasive stone extraction procedures.
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Affiliation(s)
- Manint Usawachintachit
- 1 Department of Urology, University of California , San Francisco, San Francisco, California.,2 Division of Urology, Department of Surgery, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Chulalongkorn University , The Thai Red Cross Society, Bangkok, Thailand
| | - Benjamin Sherer
- 1 Department of Urology, University of California , San Francisco, San Francisco, California
| | - Matthew Hudnall
- 1 Department of Urology, University of California , San Francisco, San Francisco, California
| | - David T Tzou
- 1 Department of Urology, University of California , San Francisco, San Francisco, California
| | - Kazumi Taguchi
- 1 Department of Urology, University of California , San Francisco, San Francisco, California.,3 Department of Nephro-Urology, Nagoya City University Graduate School of Medical Sciences , Nagoya, Japan
| | - Ryan S Hsi
- 1 Department of Urology, University of California , San Francisco, San Francisco, California.,4 Department of Urologic Surgery, Vanderbilt University , Nashville, Tennessee
| | - Marshall Stoller
- 1 Department of Urology, University of California , San Francisco, San Francisco, California
| | - Thomas Chi
- 1 Department of Urology, University of California , San Francisco, San Francisco, California
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17
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Kim JH, Park E, Hyun HS, Lee BH, Kim GH, Lee JH, Park YS, Kang HG, Ha IS, Cheong HI. Genotype and Phenotype Analysis in Pediatric Patients with Cystinuria. J Korean Med Sci 2017; 32:310-314. [PMID: 28049243 PMCID: PMC5219998 DOI: 10.3346/jkms.2017.32.2.310] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Accepted: 10/16/2016] [Indexed: 11/22/2022] Open
Abstract
Cystinuria is an inherited disorder characterized by defective renal reabsorption of cystine and dibasic amino acids leading to nephrolithiasis. This study was conducted to analyze the genotypes and phenotypes of pediatric patients with cystinuria. Eight children from Seoul National University Hospital and Asan Medical Center presenting with cystinuria from January 2003 to June 2016 were retrospectively analyzed. Mutational studies were performed by direct sequencing. Two of the 8 were male and 6 were female. The median ages at onset and diagnosis were 1.5 (range, 0.3-13.6) and 2.6 (range, 0.7-16.7) years, respectively. The median followed up was 7.7 (range, 3.4-14.0) years. Mutational analyses were performed in 7 patients and revealed biallelic SLC3A1 mutations (AA genotype) in 4 patients, a single heterozygous SLC3A1 mutation (A- genotype) in 1 patient, biallelic SLC7A9 mutations (BB genotype) in 1 patient, and a single heterozygous SLC7A9 mutation (B- genotype) in 1 patient. Two of the mutations were novel. No genotype-phenotype correlations were observed, except for earlier onset age in patients with non-AA genotypes than in patients with the AA genotype. All patients suffered from recurrent attacks of symptomatic nephrolithiasis, which lead to urologic interventions. At the last follow-up, 3 patients had a mild-to-moderate degree of renal dysfunction. This is the first study of genotypic and phenotypic analyses of patients with cystinuria in Korea.
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Affiliation(s)
- Ji Hyun Kim
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Eujin Park
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Hye Sun Hyun
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Beom Hee Lee
- Department of Pediatrics, University of Ulsan College of Medicine, Asan Medical Center Children's Hospital, Seoul, Korea
| | - Gu Hwan Kim
- Medical Genetics Center, University of Ulsan College of Medicine, Asan Medical Center Children's Hospital, Seoul, Korea
| | - Joo Hoon Lee
- Department of Pediatrics, University of Ulsan College of Medicine, Asan Medical Center Children's Hospital, Seoul, Korea
| | - Young Seo Park
- Department of Pediatrics, University of Ulsan College of Medicine, Asan Medical Center Children's Hospital, Seoul, Korea
| | - Hee Gyung Kang
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
- Research Coordination Center for Rare Diseases, Seoul National University Hospital, Seoul, Korea
| | - Il Soo Ha
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
- Kidney Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul, Korea
| | - Hae Il Cheong
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
- Research Coordination Center for Rare Diseases, Seoul National University Hospital, Seoul, Korea
- Kidney Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul, Korea.
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18
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Shang W, Li L, Ren Y, Ge Q, Ku M, Ge S, Xu G. History of kidney stones and risk of chronic kidney disease: a meta-analysis. PeerJ 2017; 5:e2907. [PMID: 28149686 PMCID: PMC5267565 DOI: 10.7717/peerj.2907] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 12/13/2016] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Although the relationship between a history of kidney stones and chronic kidney disease (CKD) has been explored in many studies, it is still far from being well understood. Thus, we conducted a meta-analysis of studies comparing rates of CKD in patients with a history of kidney stones. METHODS PubMed, EMBASE, and the reference lists of relevant articles were searched to identify observational studies related to the topic. A random-effects model was used to combine the study-specific risk estimates. We explored the potential heterogeneity by subgroup analyses and meta-regression analyses. RESULTS Seven studies were included in this meta-analysis. Pooled results suggested that a history of kidney stones was associated with an increased adjusted risk estimate for CKD [risk ratio (RR), 1.47 95% confidence interval (CI) [1.23-1.76])], with significant heterogeneity among these studies (I2 = 93.6%, P < 0.001). The observed positive association was observed in most of the subgroup analyses, whereas the association was not significant among studies from Asian countries, the mean age ≥50 years and male patients. CONCLUSION A history of kidney stones is associated with increased risk of CKD. Future investigations are encouraged to reveal the underlying mechanisms in the connection between kidney stones and CKD, which may point the way to more effective preventive and therapeutic measures.
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Affiliation(s)
- Weifeng Shang
- Department of Nephrology, Tongji Hospital affiliated with Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
| | - Lixi Li
- Department of Nephrology, Tongji Hospital affiliated with Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
| | - Yali Ren
- Department of Medical Affaires, Liyuan Hospital affiliated to Tongji Medical College, Huazhong University of Science and Technologyy , Wuhan , China
| | - Qiangqiang Ge
- Department of Urology, Tongji Hospital affiliated with Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
| | - Ming Ku
- Department of Nephrology, Tongji Hospital affiliated with Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
| | - Shuwang Ge
- Department of Nephrology, Tongji Hospital affiliated with Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
| | - Gang Xu
- Department of Nephrology, Tongji Hospital affiliated with Tongji Medical College, Huazhong University of Science and Technology , Wuhan , China
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19
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Wong KA, Mein R, Wass M, Flinter F, Pardy C, Bultitude M, Thomas K. The genetic diversity of cystinuria in a UK population of patients. BJU Int 2015; 116:109-16. [PMID: 25109415 DOI: 10.1111/bju.12894] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To examine the genetic mutations in the first UK cohort of patients with cystinuria with preliminary genotype/phenotype correlation. PATIENTS AND METHODS DNA sequencing and multiplex ligation-dependent probe amplification (MLPA) were used to identify the mutations in 74 patients in a specialist cystinuria clinic in the UK. Patients with type A cystinuria were classified into two groups: Group M patients had at least one missense mutation and Group N patients had two alleles of all other types of mutations including frameshift, splice site, nonsense, deletions and duplications. The levels of urinary dibasic amino acids, age at presentation of disease, number of stone episodes and interventions were compared between patients in the two groups using the Mann-Whitney U-test. RESULTS In all, 41 patients had type A cystinuria, including one patient with a variant of unknown significance and 23 patients had type B cystinuria, including six patients with variants of unknown significance. One patient had three sequence variants in SLC7A9; however, two are of unknown significance. Three patients had type AB cystinuria. Three had a single mutation in SLC7A9. No identified mutations were found in three patients in either gene. There were a total of 88 mutations in SLC3A1 and 55 mutations in SLC7A9. There were 23 pathogenic mutations identified in our UK cohort of patients not previously published. In patients with type A cystinuria, the presence of a missense mutation correlated to lower levels of urinary lysine (mean [SE] 611.9 [22.65] vs 752.3 [46.39] millimoles per mole of creatinine [mM/MC]; P=0.02), arginine (194.8 [24.83] vs 397.7 [15.32] mM/MC; P<0.001) and ornithine (109.2 [7.40] vs 146.6 [12.7] mM/MC; P=0.02). There was no difference in the levels of urinary cystine (182.1 [8.89] vs 207.2 [19.23] mM/MC; P=0.23). CONCLUSIONS We have characterised the genetic diversity of cystinuria in a UK population including 23 pathogenic mutations not previously published. Patients with at least one missense mutation in SLC3A1 had significantly lower levels of lysine, arginine, and ornithine but not cystine than patients with all other combinations of mutations.
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Affiliation(s)
- Kathie A Wong
- The Urology Centre, Guys and St. Thomas' NHS Foundation Trust, London, UK
| | | | - Mark Wass
- School of Biosciences, University of Kent, Canterbury, Kent, UK
| | | | - Caroline Pardy
- The Urology Centre, Guys and St. Thomas' NHS Foundation Trust, London, UK
| | - Matthew Bultitude
- The Urology Centre, Guys and St. Thomas' NHS Foundation Trust, London, UK
| | - Kay Thomas
- The Urology Centre, Guys and St. Thomas' NHS Foundation Trust, London, UK
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20
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Prot-Bertoye C, Lebbah S, Daudon M, Tostivint I, Bataille P, Bridoux F, Brignon P, Choquenet C, Cochat P, Combe C, Conort P, Decramer S, Doré B, Dussol B, Essig M, Gaunez N, Joly D, Le Toquin-Bernard S, Méjean A, Meria P, Morin D, N'Guyen HV, Noël C, Normand M, Pietak M, Ronco P, Saussine C, Tsimaratos M, Friedlander G, Traxer O, Knebelmann B, Courbebaisse M. CKD and Its Risk Factors among Patients with Cystinuria. Clin J Am Soc Nephrol 2015; 10:842-51. [PMID: 25717071 DOI: 10.2215/cjn.06680714] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2014] [Accepted: 01/12/2015] [Indexed: 01/19/2023]
Abstract
BACKGROUND AND OBJECTIVES Cystinuria is an autosomal recessive disorder affecting renal cystine reabsorption; it causes 1% and 8% of stones in adults and children, respectively. This study aimed to determine epidemiologic and clinical characteristics as well as comorbidities among cystinuric patients, focusing on CKD and high BP. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS This retrospective study was conducted in France, and involved 47 adult and pediatric nephrology and urology centers from April 2010 to January 2012. Data were collected from 442 cystinuric patients. RESULTS Median age at onset of symptoms was 16.7 (minimum to maximum, 0.3-72.1) years and median diagnosis delay was 1.3 (0-45.7) years. Urinary alkalinization and cystine-binding thiol were prescribed for 88.8% and 52.2% of patients, respectively, and 81.8% had at least one urological procedure. Five patients (1.1%, n=4 men) had to be treated by dialysis at a median age of 35.0 years (11.8-70.7). Among the 314 patients aged ≥16 years, using the last available plasma creatinine, 22.5% had an eGFR≥90 ml/min per 1.73 m(2) (calculated by the Modification of Diet in Renal Disease equation), whereas 50.6%, 15.6%, 7.6%, 2.9%, and 0.6% had an eGFR of 60-89, 45-59, 30-44, 15-29, and <15, respectively. Among these 314 patients, 28.6% had high BP. In multivariate analysis, CKD was associated with age (odds ratio, 1.05 [95% confidence interval, 1.03 to 1.07]; P<0.001), hypertension (3.30 [1.54 to 7.10]; P=0.002), and severe damage of renal parenchyma defined as a past history of partial or total nephrectomy, a solitary congenital kidney, or at least one kidney with a size <10 cm in patients aged ≥16 years (4.39 [2.00 to 9.62]; P<0.001), whereas hypertension was associated with age (1.06 [1.04 to 1.08]; P<0.001), male sex (2.3 [1.3 to 4.1]; P=0.003), and an eGFR<60 ml/min per 1.73 m(2) (2.7 [1.5 to 5.1]; P=0.001). CONCLUSIONS CKD and high BP occur frequently in patients with cystinuria and should be routinely screened.
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Affiliation(s)
- Caroline Prot-Bertoye
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Saïd Lebbah
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Michel Daudon
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Isabelle Tostivint
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Pierre Bataille
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Franck Bridoux
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Pierre Brignon
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Christian Choquenet
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Pierre Cochat
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Christian Combe
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Pierre Conort
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Stéphane Decramer
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Bertrand Doré
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Bertrand Dussol
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Marie Essig
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Nicolas Gaunez
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Dominique Joly
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Sophie Le Toquin-Bernard
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Arnaud Méjean
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Paul Meria
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Denis Morin
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Hung Viet N'Guyen
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Christian Noël
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Michel Normand
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Michel Pietak
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Pierre Ronco
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Christian Saussine
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Michel Tsimaratos
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Gérard Friedlander
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Olivier Traxer
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Bertrand Knebelmann
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material
| | - Marie Courbebaisse
- Due to the number of contributing authors,the affiliations are provided in the Supplemental Material.
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21
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Abstract
Cystinuria is a genetic disease that leads to frequent formation of stones. In patients with recurrent stone formation, particularly patients <30 years old or those who have siblings with stone disease, urologists should maintain a high index of suspicion of the diagnosis of cystinuria. Patients with cystinuria require frequent follow-up and a multidisciplinary approach to diagnosis, prevention and management. Patients have reported success in preventing stone episodes by maintaining dietary changes using a tailored review from a specialist dietician. For patients who do not respond to conservative lifestyle measures, medical therapy to alkalinize urine and thiol-binding drugs can help. A pre-emptive approach to the surgical management of cystine stones is recommended by treating smaller stones with minimally invasive techniques before they enlarge to a size that makes management difficult. However, a multimodal approach can be required for larger complex stones. Current cystinuria research is focused on methods of monitoring disease activity, novel drug therapies and genotype-phenotype studies. The future of research is collaboration at a national and international level, facilitated by groups such as the Rare Kidney Stone Consortium and the UK Registry of Rare Kidney Diseases.
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22
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Izol V, Aridogan IA, Karsli O, Deger M, Satar N. The effect of prophylactic treatment with Shohl's solution in children with cystinuria. J Pediatr Urol 2013; 9:1218-22. [PMID: 23806278 DOI: 10.1016/j.jpurol.2013.05.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2013] [Accepted: 05/16/2013] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To investigate the effect of prophylactic treatment with Shohl's solution on the rates of stone recurrence in paediatric patients with cystinuria. PATIENTS AND METHODS Between June 2007 and October 2011, 185 patients aged 16 years and younger whose stones had been completely removed by percutaneous nephrolithotomy (PCNL) were assessed for metabolic risk factors. Seventeen (9%) patients with positive cyanide-nitroprusside tests (CNT) and cystine stones enrolled in this study, and a Shohl's solution was used for alkalinisation. The patients were followed up for a mean period of two years for stone recurrence. RESULTS Of the patients, 10 (59%) were male, and 7 (41%) were female (p = 0.13). Twelve patients (70.5%) continued to receive medical prophylaxis regularly, whereas 5 (29.5%) patients did not. The mean pre-treatment and post-treatment urinary pH values were 5.8 ± 0.5 (5-7) and 7.5 ± 0.4 (6.5-8), respectively (p < 0.001). The pre-treatment and post-treatment specific gravities of the urine were 1021.5 ± 5.4 (1010-1030) and 1006 ± 2.3 (1004-1015), respectively (p < 0.001). The rates of recurrence were 16.6% among those who continued prophylaxis and 100% among those who did not receive prophylaxis (p = 0.001). The most common combination of metabolic anomalies was cystinuria and hypocitraturia (p < 0.001). CONCLUSIONS This study demonstrated that detailed clinical and laboratory evaluations should be performed for all children with cystine stone disease, and, appropriate prophylactic treatment should be recommended to prevent the reformation of stones.
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Affiliation(s)
- Volkan Izol
- Department of Urology, Faculty of Medicine, University of Çukurova, Balcali, 01330 Adana, Turkey.
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23
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Edvardsson VO, Goldfarb DS, Lieske JC, Beara-Lasic L, Anglani F, Milliner DS, Palsson R. Hereditary causes of kidney stones and chronic kidney disease. Pediatr Nephrol 2013; 28:1923-42. [PMID: 23334384 PMCID: PMC4138059 DOI: 10.1007/s00467-012-2329-z] [Citation(s) in RCA: 157] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2012] [Revised: 09/13/2012] [Accepted: 09/17/2012] [Indexed: 01/27/2023]
Abstract
Adenine phosphoribosyltransferase (APRT) deficiency, cystinuria, Dent disease, familial hypomagnesemia with hypercalciuria and nephrocalcinosis (FHHNC), and primary hyperoxaluria (PH) are rare but important causes of severe kidney stone disease and/or chronic kidney disease in children. Recurrent kidney stone disease and nephrocalcinosis, particularly in pre-pubertal children, should alert the physician to the possibility of an inborn error of metabolism as the underlying cause. Unfortunately, the lack of recognition and knowledge of the five disorders has frequently resulted in an unacceptable delay in diagnosis and treatment, sometimes with grave consequences. A high index of suspicion coupled with early diagnosis may reduce or even prevent the serious long-term complications of these diseases. In this paper, we review the epidemiology, clinical features, diagnosis, treatment, and outcome of patients with APRT deficiency, cystinuria, Dent disease, FHHNC, and PH, with an emphasis on childhood manifestations.
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MESH Headings
- Adenine Phosphoribosyltransferase/deficiency
- Adenine Phosphoribosyltransferase/genetics
- Animals
- Child
- Cystinuria/diagnosis
- Cystinuria/epidemiology
- Cystinuria/genetics
- Cystinuria/therapy
- Dent Disease/diagnosis
- Dent Disease/epidemiology
- Dent Disease/genetics
- Dent Disease/therapy
- Genetic Predisposition to Disease
- Heredity
- Humans
- Hypercalciuria/diagnosis
- Hypercalciuria/epidemiology
- Hypercalciuria/genetics
- Hypercalciuria/therapy
- Hyperoxaluria, Primary/diagnosis
- Hyperoxaluria, Primary/epidemiology
- Hyperoxaluria, Primary/genetics
- Hyperoxaluria, Primary/therapy
- Kidney Calculi/diagnosis
- Kidney Calculi/epidemiology
- Kidney Calculi/genetics
- Kidney Calculi/therapy
- Metabolism, Inborn Errors/diagnosis
- Metabolism, Inborn Errors/epidemiology
- Metabolism, Inborn Errors/genetics
- Metabolism, Inborn Errors/therapy
- Nephrocalcinosis/diagnosis
- Nephrocalcinosis/epidemiology
- Nephrocalcinosis/genetics
- Nephrocalcinosis/therapy
- Phenotype
- Prognosis
- Renal Insufficiency, Chronic/diagnosis
- Renal Insufficiency, Chronic/epidemiology
- Renal Insufficiency, Chronic/genetics
- Renal Insufficiency, Chronic/therapy
- Renal Tubular Transport, Inborn Errors/diagnosis
- Renal Tubular Transport, Inborn Errors/epidemiology
- Renal Tubular Transport, Inborn Errors/genetics
- Renal Tubular Transport, Inborn Errors/therapy
- Risk Factors
- Urolithiasis/diagnosis
- Urolithiasis/epidemiology
- Urolithiasis/genetics
- Urolithiasis/therapy
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24
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Claes DJ, Jackson E. Cystinuria: mechanisms and management. Pediatr Nephrol 2012; 27:2031-2038. [PMID: 22281707 DOI: 10.1007/s00467-011-2092-6] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2011] [Revised: 11/18/2011] [Accepted: 11/29/2011] [Indexed: 11/24/2022]
Abstract
Cystinuria is a relatively uncommon cause of pediatric stone disease, but has significant morbidity if not properly controlled because of its significant stone recurrence rate. Cystinuria is caused by the inability of the renal tubules to reabsorb filtered cystine, which is poorly soluble at a typical urine pH <7. Although many advances have been made in the understanding of the genetic and physiological basis of cystinuria, the cornerstones of treatment still involve stone prevention with dietary measures and pharmacological therapy, coupled with surgical interventions for stone removal. Pharmacological treatments can carry significant side effects that must be monitored and can limit therapy as well as impede compliance. Most patients will require surgical intervention for stone removal, although compliance with prevention strategies reduces the need for intervention.
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Affiliation(s)
- Donna J Claes
- Division of Pediatric Nephrology and Hypertension, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH, USA.
| | - Elizabeth Jackson
- Division of Pediatric Nephrology and Hypertension, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH, USA
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25
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Kartha G, Calle JC, Marchini GS, Monga M. Impact of stone disease: chronic kidney disease and quality of life. Urol Clin North Am 2012. [PMID: 23177641 DOI: 10.1016/j.ucl.2012.09.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This article reviews the impact of stone disease on chronic kidney disease and renal function; evaluating the natural progression of disease as well as the impact of surgical interventions. The impact of stone disease, medical therapy, and surgical therapy for stones on quality of life is discussed.
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Affiliation(s)
- Ganesh Kartha
- Department of Urology, Glickman Urological & Kidney Institute, The Cleveland Clinic, Cleveland, OH 44120, USA
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26
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Cohen J, Cohen S, Grasso M. Ureteropyeloscopic treatment of large, complex intrarenal and proximal ureteral calculi. BJU Int 2012; 111:E127-31. [DOI: 10.1111/j.1464-410x.2012.11352.x] [Citation(s) in RCA: 101] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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27
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Shen L, Sun X, Zhu H, Cong X, Ning B. Comparison of renal function and metabolic abnormalities of cystine stone patients and calcium oxalate stone patients in China. World J Urol 2012; 31:1219-23. [DOI: 10.1007/s00345-012-0886-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Accepted: 05/08/2012] [Indexed: 10/28/2022] Open
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Rule AD, Krambeck AE, Lieske JC. Chronic kidney disease in kidney stone formers. Clin J Am Soc Nephrol 2011; 6:2069-75. [PMID: 21784825 DOI: 10.2215/cjn.10651110] [Citation(s) in RCA: 144] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Recent population studies have found symptomatic kidney stone formers to be at increased risk for chronic kidney disease (CKD). Although kidney stones are not commonly identified as the primary cause of ESRD, they still may be important contributing factors. Paradoxically, CKD can be protective against forming kidney stones because of the substantial reduction in urine calcium excretion. Among stone formers, those with rare hereditary diseases (cystinuria, primary hyperoxaluria, Dent disease, and 2,8 dihydroxyadenine stones), recurrent urinary tract infections, struvite stones, hypertension, and diabetes seem to be at highest risk for CKD. The primary mechanism for CKD from kidney stones is usually attributed to an obstructive uropathy or pyelonephritis, but crystal plugs at the ducts of Bellini and parenchymal injury from shockwave lithotripsy may also contribute. The historical shift to less invasive surgical management of kidney stones has likely had a beneficial impact on the risk for CKD. Among potential kidney donors, past symptomatic kidney stones but not radiographic stones found on computed tomography scans were associated with albuminuria. Kidney stones detected by ultrasound screening have also been associated with CKD in the general population. Further studies that better classify CKD, better characterize stone formers, more thoroughly address potential confounding by comorbidities, and have active instead of passive follow-up to avoid detection bias are needed.
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Affiliation(s)
- Andrew D Rule
- Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA.
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29
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Ercolani M, Sahota A, Schuler C, Yang M, Evan AP, Reimer D, Barone JG, Tischfield JA, Levin RM. Bladder outlet obstruction in male cystinuria mice. Int Urol Nephrol 2009; 42:57-63. [PMID: 19484501 DOI: 10.1007/s11255-009-9597-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2009] [Accepted: 05/19/2009] [Indexed: 11/28/2022]
Abstract
BACKGROUND Cystinuria is the most common inherited cause of urinary tract stones in children. It can lead to obstructive uropathy, which is a major cause of renal failure. Genetic studies have identified two genes, SLC3A1 and SLC7A9, to be directly involved in cystine stone formation. Slc3a1 knockout male mice develop cystine stones in the bladder and, to a lesser extent, in the kidney. Slc3a1 knockout female mice also develop cystinuria, but they do not form stones. The specific aim of this study was to characterize bladder function in cystinuria mice. METHODS Eight control (4 male, 4 female) and 16 Slc3a1 knockout (9 male, 7 female) mice of mixed strain background (C57B/129, age 4-5 months) were evaluated. Each mouse was anesthetized and the bladder dome catheterized for cystometry. Immediately following cystometry, the bladder was excised, weighed, and separated into three full thickness strips for contractile studies. RESULTS Bladders from cystinuria male mice had significantly increased weight, all of them had stones, decreased compliance, and decreased contractile responses to field stimulation, ATP, carbachol, and KCl. Compared with controls, female knockout mice showed normal bladder weight, decreased voiding pressure, slightly decreased compliance, and slightly decreased contractile responses. CONCLUSIONS These studies clearly demonstrate that the bladder stones that developed in the male cystinuria mice resulted in a partial outlet obstruction. Although the female cystinuria mice did not have bladder stones, bladder function was mildly impaired; presumably by the presence of cystine crystals.
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Affiliation(s)
- Mathew Ercolani
- Department of Surgery, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, New Brunswick, NJ, USA
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30
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Rule AD, Bergstralh EJ, Melton LJ, Li X, Weaver AL, Lieske JC. Kidney stones and the risk for chronic kidney disease. Clin J Am Soc Nephrol 2009; 4:804-11. [PMID: 19339425 DOI: 10.2215/cjn.05811108] [Citation(s) in RCA: 245] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND AND OBJECTIVES Kidney stones lead to chronic kidney disease (CKD) in people with rare hereditary disorders (e.g., primary hyperoxaluria, cystinuria), but it is unknown whether kidney stones are an important risk factor for CKD in the general population. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS Among Olmsted County, MN, residents, all stone formers (n = 4774) whose condition was diagnosed in 1986 through 2003 were matched 1:3 to control subjects (n = 12,975). Cox proportional hazards models adjusted for age, gender, and comorbidities (hypertension, diabetes, obesity, dyslipidemia, gout, alcohol abuse, tobacco use, coronary artery disease, heart failure, cerebral infarct, and peripheral vascular disease) were used to assess the risk for incident CKD defined as a clinical diagnosis (diagnostic codes), ESRD or death with CKD, sustained (>90 d) elevated serum creatinine (>1.3 mg/dl in men, >1.1 mg/dl in women), or sustained estimated GFR <60 ml/min per 1.73 m(2). RESULTS During a mean of 8.6 yr of follow-up, stone formers were at increased risk for a clinical diagnosis of CKD, but an increased risk for ESRD or death with CKD was NS. Among patients with follow-up serum creatinine levels, stone formers were at increased risk for a sustained elevated serum creatinine and a sustained reduced GFR. CONCLUSIONS Kidney stones are a risk factor for CKD, and studies are warranted to assess screening and preventive measures for CKD in stone formers.
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Affiliation(s)
- Andrew D Rule
- Departments of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota 55905.
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31
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Abstract
Kidney stones affect more than 5% of adults in the United States, and the prevalence is rising. The fundamental cause for all stones is supersaturation of urine with respect to the stone components; factors affecting solubility include urine volume, pH, and total solute excretion. Calcium stones are the most common in both adults and children and are associated with several metabolic disorders, the most common of which is idiopathic hypercalciuria. Therapy to prevent stones rests on lowering supersaturation, using both diet and medication. Effective treatment decreases stone recurrence and the need for procedures for stone removal.
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Affiliation(s)
- Elaine M Worcester
- Nephrology Section/MC 5100, Department of Medicine, University of Chicago, 5841 South Maryland Avenue, Chicago, IL 60637, USA.
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Preminger GM, Tiselius HG, Assimos DG, Alken P, Buck C, Gallucci M, Knoll T, Lingeman JE, Nakada SY, Pearle MS, Sarica K, Türk C, Wolf JS. 2007 guideline for the management of ureteral calculi. J Urol 2008; 178:2418-34. [PMID: 17993340 DOI: 10.1016/j.juro.2007.09.107] [Citation(s) in RCA: 492] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2007] [Indexed: 12/28/2022]
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34
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Abstract
Cystinuria is a monogenic disorder in which there is a transepithelial transport defect of di-basic amino acids, including cystine, ornithine, lysine, and arginine (COLA). This results in diminished reabsorption of these amino acids in both the intestine and renal proximal tubule. This article describes the disorder, reviews the mechanisms of normal COLA renal transport, and summarizes issues related to the disorder, such as the role of mutations, associated diseases, clinical manifestations, therapies, the renal impact, and handling of pediatric patients.
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