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Skolarikos A, Somani B, Neisius A, Jung H, Petřík A, Tailly T, Davis N, Tzelves L, Geraghty R, Lombardo R, Bezuidenhout C, Gambaro G. Metabolic Evaluation and Recurrence Prevention for Urinary Stone Patients: An EAU Guidelines Update. Eur Urol 2024; 86:343-363. [PMID: 39069389 DOI: 10.1016/j.eururo.2024.05.029] [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: 02/12/2024] [Revised: 04/22/2024] [Accepted: 05/13/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND AND OBJECTIVE The aim of this review was to define patients who are at high risk of recurrence of urolithiasis, to delineate diagnostic and therapeutic algorithms for each type of stone, and to clarify general guidelines and recommendations for prevention of recurrence. METHODS A professional research librarian carried out literature searches for all sections of the urolithiasis guidelines, covering the timeframe between 1976 and June 2023. KEY FINDINGS AND LIMITATIONS For every patient with urolithiasis, an attempt should be made to analyse the stone. Patients should be given general instructions on how to prevent recurrence, including adequate fluid and calcium intake, and low consumption of sodium and protein. Identifying and correcting the causative factors is a cornerstone in preventing the recurrence of urolithiasis. Diagnostic and therapeutic algorithms by stone composition are available. Every patient should undergo baseline metabolic screening, while patients with calcium stones, who are at high risk of relapse and complications, should undergo extensive metabolic screening with two 24-h urine collections and should receive targeted therapy. Patients with uric acid, infection, or cystine stones are at high risk of relapse. All patients at high risk of recurrence should be closely monitored, especially those not complying with therapy in the long term. CONCLUSIONS AND CLINICAL IMPLICATIONS Metabolic stone evaluation and patient follow-up are highly recommended to prevent urolithiasis recurrence.
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Affiliation(s)
- Andreas Skolarikos
- National and Kapodistrian University of Athens, 2nd Department of Urology, Sismanogleio Hospital, Athens, Greece.
| | - Bhaskar Somani
- Department of Urology, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Andreas Neisius
- Department of Urology, Hospital of the Brothers of Mercy Trier, Medical Campus University Mainz, Trier, Germany
| | - Helene Jung
- Urinvejskirurgisk Afdeling, Sygehus Lillebælt, Vejle, Denmark
| | - Alec Petřík
- Department of Urology, Region Hospital, Ceske Budejovice, Czechia
| | - Thomas Tailly
- Servicio de Urología, Hospital Universitario de Gante, Gante, Belgium
| | - Niall Davis
- Department of Urology, Connolly Hospital, Dublin, Ireland
| | - Lazaros Tzelves
- National and Kapodistrian University of Athens, 2nd Department of Urology, Sismanogleio Hospital, Athens, Greece
| | - Rob Geraghty
- Department of Urology, Freeman Hospital, Newcastle-upon-Tyne, UK
| | | | - Carla Bezuidenhout
- European Association of Urology Guidelines Office, Arnhem, The Netherlands
| | - Giovanni Gambaro
- Division of Nephrology and Dialysis, Department of Medicine, University of Verona, Verona, Italy
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Schrag TA, Diarra D, Veser J. Prevention, diagnosis, and treatment of urolithiasis in geriatric patients - differences, similarities and caveats in comparison to the general population. Curr Opin Urol 2024; 34:154-165. [PMID: 38445376 DOI: 10.1097/mou.0000000000001173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
PURPOSE OF REVIEW Purpose of the review is to address management and prevention of urolithiasis in elderly patients examining the dynamic interplay between general measures, dietary adjustments, lifestyle modifications, and targeted pharmacological and/ or surgical interventions. The goal is to provide understanding of the evolving strategies required for effective urolithiasis prevention in the geriatric population. RECENT FINDINGS Age-specific diagnostic considerations are necessary because urolithiasis in the elderly population is characterized by bigger stones, greater peri-operative risks, and heightened symptom severity. When comorbidities are present, conservative treatments - especially analgesia - provide difficulties. Surgical procedures prove to be safe and effective, with complication rates and practical application comparable to younger cohorts. Prevention approaches that include lifestyle changes and the investigation of novel pharmaceutical options such as sodium-dependent glucose co-transporter 2 (SGLT-2)-inhibitors are promising in the management of urolithiasis in the elderly population. SUMMARY Our review offers a thorough investigation of urolithiasis in the elderly population, elucidating distinct clinical manifestations, complex diagnostic issues, and treatment implications. The safety and effectiveness of ureteroscopy in older patients, as well as the possible prophylactic function of SGLT-2-I, offer crucial insights for clinicians. Subsequent studies are necessary to enhance age-specific therapies, addressing the distinct obstacles presented by urolithiasis in the elderly population within this rapidly growing demographic.
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Lemoine S, Dahan P, Haymann JP, Meria P, Almeras C. 2022 Recommendations of the AFU Lithiasis Committee: Medical management - from diagnosis to treatment. Prog Urol 2023; 33:911-953. [PMID: 37918992 DOI: 10.1016/j.purol.2023.08.004] [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: 06/30/2023] [Revised: 07/27/2023] [Accepted: 08/01/2023] [Indexed: 11/04/2023]
Abstract
The morphological-compositional analysis of urinary stones allows distinguishing schematically several situations: dietary, digestive, metabolic/hormonal, infectious and genetic problems. Blood and urine testing are recommended in the first instance to identify risk factors of urinary stone disease in order to avoid recurrence or progression. The other objective is to detect a potential underlying pathology associated with high risk of urinary stone disease (e.g. primary hyperparathyroidism, primary or enteric hyperoxaluria, cystinuria, distal renal tubular acidosis) that may require specific management. Lifestyle-diet measures are the basis of the management of all stone types, but pharmacological treatments may be required. METHODOLOGY: These recommendations were developed using two methods: the Clinical Practice Recommendation (CPR) method and the ADAPTE method, depending on whether the question was considered in the European Association of Urology (EAU) recommendations (https://uroweb.org/guidelines/urolithiasis) [EAU 2022] and their adaptability to the French context.
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Affiliation(s)
- S Lemoine
- Hospices Civils de Lyon, SFNDT, SP, Lyon, France
| | - P Dahan
- Nephrology Department, Clinique Saint-Exupéry, SFNDT, Toulouse, France
| | - J P Haymann
- Inserm, UMRS 1155 UPMC, Tenon Hospital, SP, Paris, France; Service d'Explorations Fonctionnelles Multidisciplinaires, Tenon Hospital, Paris, France
| | - P Meria
- Service d'Urologie, Hôpital Saint Louis, AP-HP-Centre Université Paris Cité, Paris, France
| | - C Almeras
- UroSud, clinique La Croix du Sud, Quint-Fonsegrives, France.
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Gökce Mİ, Güven S, Petkova K, Tefik T, İbiş MA, Sönmez G, Gadzhiev N, Kiremit MC, Karagöz MA, Villa L, Sarıca K. Patient compliance for metabolic evaluation and medical treatment (CoMET) in calcium-oxalate stone patients: prospective study by EULIS eCORE study group. World J Urol 2023; 41:3135-3140. [PMID: 37758934 DOI: 10.1007/s00345-023-04610-w] [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: 03/06/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
PURPOSE In this study, we aimed to identify the compliance rates of calcium-oxalate stone patients for metabolic evaluation, diet and medical treatment and also determine the factors that are associated with poor compliance rates. METHODS This study was conducted by the EULIS eCORE working group prospectively. In the initial visit, demographic and stone-related characteristics were recorded. Patients were suggested metabolic evaluation, dietary advices and medical treatment. Follow-up visit was performed after 3 months and compliance rates were recorded. Logistic regression analysis was performed to determine factors associated with poor compliance to metabolic evaluation, diet and medical treatment. RESULTS Data of 346 patients from nine centers were analyzed. Compliance rates were 71.7%, 65.3%, and 63.7% for metabolic evaluation, diet, and medical treatment, respectively. In multivariate analysis, level of education (p = 0.003), history of emergency department visit (p = 0.04), number of stone surgeries (p = 0.03), patient care in dedicated stone clinic (p = 0.03), and history of shock wave lithotripsy (p = 0.005) were detected as independent predictors of compliance to metabolic analysis. Level of education (p < 0.001) and history of emergency department visit (p = 0.01) were detected as independent predictors of patient compliance to diet. Number of stone episodes (p = 0.03), family history of stones (p = 0.02), and polypharmacy (p < 0.001) were detected as independent predictors of patient compliance to medical treatment. CONCLUSIONS Patient compliance to metabolic evaluation, diet, and medical therapy is important for successful management of urolithiasis. Dietary advices and medications should be personalized by taking in to account the factors associated with poor compliance.
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Affiliation(s)
- Mehmet İlker Gökce
- Department of Urology, Ankara University School of Medicine, Sancak Mahallesi Turan Güneş Bulvarı, 39/23, Çankaya, 06550, Ankara, Turkey.
| | - Selçuk Güven
- Department of Urology, NEÜ Meram Medicine Faculty, Konya, Turkey
| | - Kremena Petkova
- Department of Urology and Nephrology, Military Medical Academy, Sofia, Bulgaria
| | - Tzevat Tefik
- Department of Urology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Muhammed Arif İbiş
- Department of Urology, Ankara University School of Medicine, Sancak Mahallesi Turan Güneş Bulvarı, 39/23, Çankaya, 06550, Ankara, Turkey
| | - Giray Sönmez
- Department of Urology, NEÜ Meram Medicine Faculty, Konya, Turkey
| | - Nariman Gadzhiev
- Department of Urology, Pavlov First Saint Petersburg State Medical University, Saint Petersburg, Russia
| | - Murat Can Kiremit
- Department of Urology, School of Medicine, Koc University, Istanbul, Turkey
| | - Mehmet Ali Karagöz
- Department of Urology, Prof. Dr. Cemil Tascıoglu City Hospital Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Luca Villa
- Division of Experimental Oncology/Unit of Urology, Urological Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Kemal Sarıca
- Department of Urology, Biruni University School of Medicine, Istanbul, Turkey
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Sromicki J, Hess B. Simple dietary advice targeting five urinary parameters reduces urinary supersaturation in idiopathic calcium oxalate stone formers. Urolithiasis 2020; 48:425-433. [PMID: 32524204 PMCID: PMC7495994 DOI: 10.1007/s00240-020-01194-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 05/06/2020] [Indexed: 11/26/2022]
Abstract
Among 208 kidney stone patients referred within 2 years, 75 patients (66 men, nine women) with truly idiopathic calcium oxalate stones (ICSF) were recruited. Dietary advice (DA) aimed at (1) urine dilution, (2) reduced crystallization promotion (lowering oxalate), and (3) increased crystallization inhibition (increasing citrate). We recommended higher intakes of fluid and calcium with meals/snacks (reducing intestinal oxalate absorption) as well as increased alkali and reduced meat protein (acid) for increasing urinary citrate. The intended effects of DA were elevations in urine volume, calcium (U-Ca) and citrate (U-Cit) as well as reductions in oxalate (U-Ox) and uric acid (U-UA). We retrospectively calculated an adherence score (AS), awarding + 1 point for parameters altered in the intended direction and − 1 point for opposite changes. Calcium oxalate supersaturation (CaOx-SS) was calculated using Tiselius’ AP(CaOx) index EQ. DA induced changes (all p < 0.0001) in urine volume (2057 ± 79 vs. 2573 ± 71 ml/day) and U-Ca (5.49 ± 0.24 vs. 7.98 ± 0.38 mmol/day) as well as in U-Ox (0.34 ± 0.01 vs. 0.26 ± 0.01 mmol/day) and U-UA (3.48 ± 0.12 vs. 3.13 ± 0.10 mmol/day). U-Cit only tendentially increased (3.07 ± 0.17 vs. 3.36 ± 0.23 mmol/day, p = 0.06). DA induced a 21.5% drop in AP(CaOx) index, from 0.93 ± 0.05 to 0.73 ± 0.05 (p = 0.0005). Decreases in CaOx-SS correlated with AS (R = 0.448, p < 0.0005), and highest AS (+ 5) always indicated lowering of CaOx-SS. Thus, simple DA can reduce CaOx-SS which may be monitored by AS.
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Affiliation(s)
- Juri Sromicki
- Internal Medicine and Nephrology, Kidney Stone Center Zurich, Klinik Im Park and University of Zurich, Bellariastrasse 38, CH-8038, Zurich, Switzerland
- Department of Cardiac, Vascular and Thoracic Surgery, University Hospital, CH-8091, Zurich, Switzerland
| | - Bernhard Hess
- Internal Medicine and Nephrology, Kidney Stone Center Zurich, Klinik Im Park and University of Zurich, Bellariastrasse 38, CH-8038, Zurich, Switzerland.
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Taguchi K, Cho SY, Ng AC, Usawachintachit M, Tan YK, Deng YL, Shen CH, Gyawali P, Alenezi H, Basiri A, Bou S, Djojodemedjo T, Sarica K, Shi L, Singam P, Singh SK, Yasui T. The Urological Association of Asia clinical guideline for urinary stone disease. Int J Urol 2019; 26:688-709. [PMID: 31016804 DOI: 10.1111/iju.13957] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Accepted: 03/04/2019] [Indexed: 12/12/2022]
Abstract
The Urological Association of Asia, consisting of 25 member associations and one affiliated member since its foundation in 1990, has planned to develop Asian guidelines for all urological fields. The field of stone diseases is the third of its guideline projects. Because of the different climates, and social, economic and ethnic environments, the clinical practice for urinary stone diseases widely varies among the Asian countries. The committee members of the Urological Association of Asia on the clinical guidelines for urinary stone disease carried out a surveillance study to better understand the diversity of the treatment strategy among different regions and subsequent systematic literature review through PubMed and MEDLINE database between 1966 and 2017. Levels of evidence and grades of recommendation for each management were decided according to the relevant strategy. Each clinical question and answer were thoroughly reviewed and discussed by all committee members and their colleagues, with suggestions from expert representatives of the American Urological Association and European Association of Urology. However, we focused on the pragmatic care of patients and our own evidence throughout Asia, which included recent surgical trends, such as miniaturized percutaneous nephrolithotomy and endoscopic combined intrarenal surgery. This guideline covers all fields of stone diseases, from etiology to recurrence prevention. Here, we present a short summary of the first version of the guideline - consisting 43 clinical questions - and overview its key practical issues.
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Affiliation(s)
- Kazumi Taguchi
- Department of Nephro-urology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Sung Yong Cho
- Department of Urology, Seoul Metropolitan Government - Seoul National University Boramae Medical Center, Seoul, Korea.,Seoul National University Hospital, Seoul, Korea
| | - Anthony Cf Ng
- SH Ho Urology Center, Department of Surgery, The Chinese University of Hong Kong, Hong Kong
| | - Manint Usawachintachit
- Division of Urology, Faculty of Medicine, Chulalongkorn University, King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand
| | - Yung-Khan Tan
- Urohealth Medical Clinic, Mt Elizabeth Hospital, Singapore
| | - Yao Liang Deng
- Department of Urology, Langdong Hospital and The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Cheng-Huang Shen
- Department of Urology, Chia-Yi Christian Hospital, Chiayi, Taiwan
| | - Prem Gyawali
- Department of Urology, Tribhuvan University Teaching Hospital, Kathmandu, Nepal
| | | | - Abbas Basiri
- Department of Urology, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sopheap Bou
- Department of Urology, Royal Phnom Penh Hospital, Phnom Penh, Cambodia
| | - Tarmono Djojodemedjo
- Department of Urology, Soetomo General Academia Hospital/Faculty of Medicine, Airlangga University, Surabaya, Indonesia
| | - Kemal Sarica
- Department of Urology, Kafkas University Medical School, Kars, Turkey
| | - Lei Shi
- Department of Urology, Yantai Yuhuangding Hospital and Medical School, Qingdao University, Yantai, China
| | | | - Shrawan Kumar Singh
- Department of Urology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Takahiro Yasui
- Department of Nephro-urology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
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Knoll T, Bach T, Humke U, Neisius A, Stein R, Schönthaler M, Wendt-Nordahl G. [S2k guidelines on diagnostics, therapy and metaphylaxis of urolithiasis (AWMF 043/025) : Compendium]. Urologe A 2017; 55:904-22. [PMID: 27325405 DOI: 10.1007/s00120-016-0133-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Every tenth German citizen will suffer from at least one urinary calculus during the lifetime. The diagnostics, treatment and follow-up treatment of urolithiasis are, therefore, part of the daily routine practice for all urologists in hospitals and private practices as well as in many other disciplines, such as general practitioners, internists, nephrologists and pediatricians. Although the diagnostics and therapy have experienced substantial alterations over the last 10 years, the possibilities of metabolic diagnostics and secondary prevention for patients at risk are, unfortunately and unjustly, in many places very poorly represented. The present S2k guidelines, which for the first time were established in an interdisciplinary consensus process, represent the current practical recommendations and, whenever possible, use tables and algorithms in order to facilitate easy reference in the routine daily work. Last but not least, this greatly simplifies the measures for metaphylaxis.
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Affiliation(s)
- T Knoll
- Urologische Klinik Sindelfingen, Klinikum Sindelfingen-Böblingen, Arthur-Gruber-Str. 70, 71065, Sindelfingen, Deutschland.
| | - T Bach
- Urologisches Zentrum Hamburg, Asklepios Klinikum Harburg, Hamburg, Deutschland
| | - U Humke
- Klinik für Urologie, Klinikum Stuttgart, Stuttgart, Deutschland
| | - A Neisius
- Klinik für Urologie, Universitätsmedizin Mainz, Mainz, Deutschland
| | - R Stein
- Klinik für Urologie, Universitätsmedizin Mannheim, Mannheim, Deutschland
| | - M Schönthaler
- Klinik für Urologie, Universitätsklinikum Freiburg, Freiburg, Deutschland
| | - G Wendt-Nordahl
- Urologische Klinik Sindelfingen, Klinikum Sindelfingen-Böblingen, Arthur-Gruber-Str. 70, 71065, Sindelfingen, Deutschland
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Hess B. Renal stone clinic survey: calcium stone formers' self-declared understanding of and adherence to physician's recommendations. Urolithiasis 2016; 45:363-370. [PMID: 27573100 DOI: 10.1007/s00240-016-0916-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Accepted: 08/22/2016] [Indexed: 10/21/2022]
Abstract
Nothing is known about how well stone formers understand physician's explanations of stone formation, and a few data are available on adherence to provided recommendations. In this study, two groups of recurrent calcium stone formers (RCSFs) were compared. Group 1: 153 consecutive RCSF (118 men, 35 women) referred 1/2011-6/2014. At least 3 months after a 60-75 min consultation explaining metabolic evaluation and therapeutic measures, RCSF received a questionnaire by mail, regarding understanding of stone formation and adherence to therapeutic recommendations (diet, lifestyle, drug treatment). Response rate was 62 %. Group 2 (control): 81 consecutive RCSFs referred 7/2014-3/2016 (60 men, 21 women) were asked to answer the same questionnaire in the stone center while waiting for their follow-up consultation 3 months after starting prevention; response rate was 100 %. Alkali citrate was prescribed in 45 %. Answer sheets were analyzed anonymously, and frequencies of answers were compared by Chi-square test. RESULTS 67 % (group 1) and 62 % (group 2) indicated >80 % understanding of the given information (NS). Over 80 % adherence to recommendations occurred in 26 and 30 % (NS). Most frequent changes in dietary/lifestyle habits were increases in calcium (93 vs. 89 %) and fluid intakes (81 vs. 78 %); lowering psychosocial stress (23 vs. 24 %) was least popular. Adherence to 100 % on 6-7 days/week was significantly more frequent for medication than for dietary/lifestyle interventions, both in group 1 (84 vs. 24 %, p < 0.001) and group 2 (91 vs. 28 %, p < 0.001). CONCLUSIONS (1) results do not differ whether RCSFs are voluntarily participating by mail or asked to answer questionnaires in the stone clinic; (2) pathophysiologic explanations of stone disease are understood to >80 % by 2/3 of RCSFs; (3) after 3 months, perfect adherence to recommended treatment is more frequent on alkali citrate than on dietary/lifestyle measures; and (4) increasing calcium and fluid intake are the most popular dietary measures.
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Affiliation(s)
- Bernhard Hess
- Internal Medicine and Nephrology, Kidney Stone Center Zurich, Klinik Im Park, Bellariastrasse 38, 8038, Zurich, Switzerland.
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Shen AL, Lin HL, Tseng YF, Lin HC, Hsu CY, Chou CY. Topiramate may not increase risk of urolithiasis: A nationwide population-based cohort study. Seizure 2015; 29:86-9. [DOI: 10.1016/j.seizure.2015.03.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2014] [Revised: 02/04/2015] [Accepted: 03/16/2015] [Indexed: 10/23/2022] Open
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Skolarikos A, Straub M, Knoll T, Sarica K, Seitz C, Petřík A, Türk C. Metabolic Evaluation and Recurrence Prevention for Urinary Stone Patients: EAU Guidelines. Eur Urol 2015; 67:750-63. [DOI: 10.1016/j.eururo.2014.10.029] [Citation(s) in RCA: 172] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Accepted: 10/16/2014] [Indexed: 12/31/2022]
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Yasui T, Okada A, Hamamoto S, Hirose M, Ando R, Kubota Y, Tozawa K, Hayashi Y, Gao B, Suzuki S, Kohri K. The association between the incidence of urolithiasis and nutrition based on Japanese National Health and Nutrition Surveys. Urolithiasis 2013; 41:217-24. [PMID: 23632912 DOI: 10.1007/s00240-013-0567-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Accepted: 04/20/2013] [Indexed: 11/24/2022]
Abstract
To clarify the association between regional variations in urolithiasis incidence and nutrition intake, we evaluated associated data from Japanese national surveys. The incidence of urolithiasis in 12 regions of Japan was calculated from 2005 patient data obtained from 430 hospitals (n = 92,797). Nutrition intake data were obtained from the National Health and Nutrition Survey. We examined the association between urolithiasis incidence and average intake of various types of food or nutrients by region. Continuing surveys in Japan reveal fixed variations in urolithiasis incidence among geographic regions. The national average of patients with urolithiasis was estimated as 203.1 per 100,000 citizens. Regarding food, intake of fruit correlated negatively with the incidence of urolithiasis (r = -0.721, p = 0.008), while intake of eggs (r = 0.537, p = 0.072) and sugar (r = 0.475, p = 0.119) tended to positively correlate with incidence. Regarding nutrients, intake of potassium (r = -0.500, p = 0.098), vitamin K (r = -0.562, p = 0.057), and pantothenic acid (r = -0.560, p = 0.058) tended to negatively correlate with incidence. The incidence of urolithiasis is higher in geographic areas with populations having low fruit and high sugar intake.
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Affiliation(s)
- Takahiro Yasui
- Department of Nephro-urology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, 467-8601, Japan.
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12
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Chen Z. Overview of Stone Prevention Strategies in China. Urolithiasis 2012. [DOI: 10.1007/978-1-4471-4387-1_87] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
In each urolithiasis patient the individual risk for recurrence determines the need for specific medical treatment. Therefore, a brief evaluation of the risk status after stone passage is mandatory to define patients at high risk for recurrence. Only one quarter of all urolithiasis patients are at high risk or suffer from severe metabolic disorders, which both demand further metabolic work-up prior to medical therapy. However, the other three quarters benefit sufficiently from general preventive measures, such as high fluid intake, well-balanced mixed diet and lifestyle changes. This article summarizes the recent recommendations for stone-specific recurrence prevention, discusses the different pharmacological treatment options and sketches the follow-up concept for high risk patients with ongoing medication.
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Pak CYC, Adams-Huet B, Poindexter JR, Pearle MS, Peterson RD, Moe OW. Rapid Communication: relative effect of urinary calcium and oxalate on saturation of calcium oxalate. Kidney Int 2005; 66:2032-7. [PMID: 15496176 DOI: 10.1111/j.1523-1755.2004.00975.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND The study compared the effect of urinary calcium with that of oxalate on urinary saturation [relative saturation ratio (RSR)] of calcium oxalate. METHODS A retrospective data analysis was conducted on urinary stone risk analysis from 667 patients with predominantly calcium oxalate stones. Urinary RSR of calcium oxalate was individually calculated using Equil 2. A "theoretical" curve of the relationship between urinary RSR of calcium oxalate and concentration of calcium or oxalate was obtained at two stability constants for calcium oxalate complex, while varying calcium or oxalate and using group mean values for urinary constituents. RESULTS At the stability constant of 7.07 x 10(3), the increase in RSR of calcium oxalate was less marked with calcium than with oxalate. However, at the stability constant of 2.746 x 10(3) from the Equil 2 that is considered the "gold standard," calcium and oxalate were equally effective in increasing RSR of calcium oxalate. The above theoretical curves (relating RSR with calcium or oxalate) were closely approximated by the actual curves constructed with data from individual urine samples. Urinary saturation of calcium oxalate was equally dependent on urinary concentrations of calcium and oxalate (r= 0.75 unadjusted and 0.57 adjusted for variables, and P < 0.0001 for calcium; r= 0.73 unadjusted and 0.60 adjusted, P <0.0001 for oxalate). CONCLUSION Among calcium oxalate stone-formers, urinary calcium is equally effective as urinary oxalate in increasing RSR of calcium oxalate.
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Affiliation(s)
- Charles Y C Pak
- Center for Mineral Metabolism and Clinical Research, The University of Texas Southwestern Medical Center, Dallas, Texas 75390-8571, USA.
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15
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Lulich JP, Osborne CA, Lekcharoensuk C, Kirk CA, Bartges JW. Effects of Diet on Urine Composition of Cats With Calcium Oxalate Urolithiasis. J Am Anim Hosp Assoc 2004; 40:185-91. [PMID: 15131098 DOI: 10.5326/0400185] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Ten client-owned cats with calcium oxalate (CaOx) urolithiasis were evaluated to determine the effect of diet on urine CaOx saturation. Two dietary treatments were evaluated in each cat: the diet consumed just prior to urolith detection and a canned diet formulated to prevent CaOx uroliths. This study revealed that hypercalciuria is a consistent abnormality in cats with CaOx urolith formation. When urolith-forming cats consumed a diet formulated to prevent urolith formation, activity product ratios for CaOx (which estimate the degree to which urine is saturated with CaOx) were significantly lower. These results suggest that consumption of an appropriately formulated urolith-prevention diet will reduce recurrence of CaOx urolithiasis.
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Affiliation(s)
- Jody P Lulich
- Minnesota Urolith Center, College of Veterinary Medicine, University of Minnesota, Saint Paul, Minnesota 55108, USA
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16
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Abstract
Recurrent stone formation in the urinary tract is a common and important problem that must be considered in daily urological practice. With a prevalence of> 10% and an expected recurrence rate of approximately 50%, stone disease has an important effect on the healthcare system. It is generally agreed that patients with uric acid/urate, cystine or infection stones always should be treated pharmacologically. For calcium stone formers the treatment should be chosen according to the severity of the disease. Recurrence in patients with calcium-stone disease can be prevented with general or specific dietary and drinking advice, and with pharmacological therapy. For idiopathic calcium stone formers the most convincing therapeutic effects have been reported with thiazide and alkaline citrate.
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Affiliation(s)
- H-G Tiselius
- Department of Urology, Huddinge University Hospital and Centre for Surgical Sciences, Karolinska Institutet, Stockholm, Sweden.
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17
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Abstract
Kidney stones can form during a state of urinary supersaturation. Because urine often is supersaturated with respect to various salts, crystal formation is very common in nonstone formers and stone formers alike, and it may even be absent in kidney stone formers. Thus, uncomplicated crystalluria does not distinguish between stone formers and healthy people. Landmark clinical studies, however, have shown that under identical conditions of dietary and fluid intake, healthy controls almost exclusively excrete single calcium oxalate crystals 3 to 4 microns in diameter, whereas recurrent calcium stone formers pass larger crystals, 10 to 12 microns in diameter, often fused into polycrystalline aggregates 20 to 300 microns in diameter. Thus, those who form stones appear to be more "sensitive" to a given diet than nonstone formers. It is in these subjects that "bad dietary habits" induce nephrolithiasis, making nutritional aspects important. This article reviews the current evidence-based knowledge of the impact of nutrition on the recurrence of a kidney stone.
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Affiliation(s)
- Bernhard Hess
- Departments of Internal Medicine and Nephrology, Hospital Zimmerberg, CH-8820 Waedenswil, Switzerland.
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18
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Abstract
The recurrent formation of stones in the urinary tract is a well-recognized clinical problem. Unfortunately, progress in the medical care of these patients has not paralleled that of the surgical care. There are, however, several steps that can be taken to reduce the recurrence rate. In this regard it is desirable to identify patients at risk and to find risk factors that need to be eliminated. The extent of biochemical evaluation and the form of stone preventive treatment in patients with calcium stone formation is presently a matter of debate. This review focuses on some current aspects on the analysis of risk factors for calcium stone formation. The present situation on recurrence prevention using dietary and pharmacological measures is also summarized.
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Affiliation(s)
- H G Tiselius
- Department of Urology, Huddinge University Hospital, Stockholm, Sweden.
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