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Buchanan L, Canales B, Yamamoto A. Refractory uric acid nephrolithiasis dissolution using phentermine/topiramate: A case report. Urol Case Rep 2024; 54:102748. [PMID: 38756527 PMCID: PMC11096699 DOI: 10.1016/j.eucr.2024.102748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/13/2024] [Accepted: 04/25/2024] [Indexed: 05/18/2024] Open
Abstract
Uric acid is one of the few kidney stone minerals that can dissolve using oral alkalinization therapies such as potassium citrate. We report an obese female whose recalcitrant uric acid stones were eliminated using the weight loss medication phentermine/topiramate (Qsymia), a metabolic stimulant and carbonic anhydrase inhibitor. Pre- and post-dissolution 24-h urine studies and computed tomography images are included with a proposed mechanism of action of this medication. This is the first description of a non-alkaline oral therapy used alone for uric acid stone dissolution. Additional investigation of this medication in obese or diabetic uric acid stone formers is warranted.
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Affiliation(s)
- Logan Buchanan
- University of Tennessee Health Science Center, United States
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2
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Lu Z, Chen Y, Tang Z, Zhang J, Li Z, Tang F, He Z. Basal metabolic rate and the risk of urolithiasis: a two-sample Mendelian randomization study. World J Urol 2024; 42:235. [PMID: 38616238 DOI: 10.1007/s00345-024-04946-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/06/2024] [Indexed: 04/16/2024] Open
Abstract
OBJECTIVE Few studies have investigated the impact of basal metabolic rate (BMR) on the development of urolithiasis, and the causal relationship is yet to be established. In this study, a two-sample Mendelian randomization (MR) analysis was utilized to identify the causal relationship between BMR and risk of urolithiasis. METHOD Genetic instruments for BMR were drawn from a public genome-wide association study (GWAS). Summary dates on BMR and urolithiasis were obtained from a GWAS meta-analysis with sample sizes of 454,874 and 212,453, respectively. The inverse-variance weighted (IVW) method was provided as the main approach to estimate the causal relationship. The weighted-median method and the MR-Egger method were used as supplements to the IVW method. In addition, we conducted sensitivity analyses, including heterogeneity tests, pleiotropy tests and leave-one-out analysis, to assess the robustness of the outcomes. Furthermore, the funnel plot asymmetry was visually inspected to evaluate possible bias. RESULTS The inverse-variance weighted data revealed that genetically predicted BMR significantly decreased the risk of urolithiasis [beta coefficient (beta): - 0.2366, odds ratio (OR): 0.7893, 95% confidence interval (CI) 0.6504-0.9579, p = 0.0166]. CONCLUSIONS BMR has causal effects on urolithiasis in an MR study, and the risk of urolithiasis in patients with lower levels of BMR is higher.
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Affiliation(s)
- Zechao Lu
- Department of Urology, The Eighth Affiliated Hospital, Sun Yat-Sen University, No. 3025, Shennan Zhong Road, Shenzhen, 518033, China
| | - Yushu Chen
- Department of Urology, The Eighth Affiliated Hospital, Sun Yat-Sen University, No. 3025, Shennan Zhong Road, Shenzhen, 518033, China
| | - Zhicheng Tang
- Department of Urology, The Eighth Affiliated Hospital, Sun Yat-Sen University, No. 3025, Shennan Zhong Road, Shenzhen, 518033, China
| | - Jiahao Zhang
- Department of Urology, The Eighth Affiliated Hospital, Sun Yat-Sen University, No. 3025, Shennan Zhong Road, Shenzhen, 518033, China
| | - Zhibiao Li
- Department of Urology, The Eighth Affiliated Hospital, Sun Yat-Sen University, No. 3025, Shennan Zhong Road, Shenzhen, 518033, China
| | - Fucai Tang
- Department of Urology, The Eighth Affiliated Hospital, Sun Yat-Sen University, No. 3025, Shennan Zhong Road, Shenzhen, 518033, China.
| | - Zhaohui He
- Department of Urology, The Eighth Affiliated Hospital, Sun Yat-Sen University, No. 3025, Shennan Zhong Road, Shenzhen, 518033, China.
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3
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Dong C, Zhou J, Su X, He Z, Song Q, Song C, Ke H, Wang C, Liao W, Yang S. Understanding formation processes of calcareous nephrolithiasis in renal interstitium and tubule lumen. J Cell Mol Med 2024; 28:e18235. [PMID: 38509735 PMCID: PMC10955165 DOI: 10.1111/jcmm.18235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 02/07/2024] [Accepted: 02/28/2024] [Indexed: 03/22/2024] Open
Abstract
Kidney stone, one of the oldest known diseases, has plagued humans for centuries, consistently imposing a heavy burden on patients and healthcare systems worldwide due to their high incidence and recurrence rates. Advancements in endoscopy, imaging, genetics, molecular biology and bioinformatics have led to a deeper and more comprehensive understanding of the mechanism behind nephrolithiasis. Kidney stone formation is a complex, multi-step and long-term process involving the transformation of stone-forming salts from free ions into asymptomatic or symptomatic stones influenced by physical, chemical and biological factors. Among the various types of kidney stones observed in clinical practice, calcareous nephrolithiasis is currently the most common and exhibits the most intricate formation mechanism. Extensive research suggests that calcareous nephrolithiasis primarily originates from interstitial subepithelial calcified plaques and/or calcified blockages in the openings of collecting ducts. These calcified plaques and blockages eventually come into contact with urine in the renal pelvis, serving as a nidus for crystal formation and subsequent stone growth. Both pathways of stone formation share similar mechanisms, such as the drive of abnormal urine composition, involvement of oxidative stress and inflammation, and an imbalance of stone inhibitors and promoters. However, they also possess unique characteristics. Hence, this review aims to provide detailed description and present recent discoveries regarding the formation processes of calcareous nephrolithiasis from two distinct birthplaces: renal interstitium and tubule lumen.
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Affiliation(s)
- Caitao Dong
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina
| | - Jiawei Zhou
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina
| | - Xiaozhe Su
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina
| | - Ziqi He
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina
| | - Qianlin Song
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina
| | - Chao Song
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina
| | - Hu Ke
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina
| | - Chuan Wang
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina
| | - Wenbiao Liao
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina
| | - Sixing Yang
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei ProvinceChina
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4
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Stadelmaier J, Beyerbach J, Roux I, Harms L, Eble J, Nikolakopoulou A, Schwingshackl L. Evaluating agreement between evidence from randomised controlled trials and cohort studies in nutrition: a meta-research replication study. Eur J Epidemiol 2024; 39:363-378. [PMID: 38177572 PMCID: PMC11101378 DOI: 10.1007/s10654-023-01058-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 10/08/2023] [Indexed: 01/06/2024]
Abstract
This meta-research study aims to evaluate the agreement of effect estimates between bodies of evidence (BoE) from RCTs and cohort studies included in the same nutrition evidence synthesis, to identify factors associated with disagreement, and to replicate the findings of a previous study. We searched Medline, Epistemonikos and the Cochrane Database of Systematic Reviews for nutrition systematic reviews that included both RCTs and cohort studies for the same patient-relevant outcome or intermediate-disease marker. We rated similarity of PI/ECO (population, intervention/exposure, comparison, outcome) between BoE from RCTs and cohort studies. Agreement of effect estimates across BoE was analysed by pooling ratio of risk ratios (RRR) for binary outcomes and difference of standardised mean differences (DSMD) for continuous outcomes. We performed subgroup and sensitivity analyses to explore determinants associated with disagreements. We included 82 BoE-pairs from 51 systematic reviews. For binary outcomes, the RRR was 1.04 (95% confidence interval (CI) 0.99 to 1.10, I2 = 59%, τ2 = 0.02, prediction interval (PI) 0.77 to 1.41). For continuous outcomes, the pooled DSMD was - 0.09 (95% CI - 0.26 to 0.09, PI - 0.55 to 0.38). Subgroup analyses yielded that differences in type of intake/exposure were drivers towards disagreement. We replicated the findings of a previous study, where on average RCTs and cohort studies had similar effect estimates. Disagreement and wide prediction intervals were mainly driven by PI/ECO-dissimilarities. More research is needed to explore other potentially influencing factors (e.g. risk of bias) on the disagreement between effect estimates of both BoE.Trial registration: CRD42021278908.
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Affiliation(s)
- Julia Stadelmaier
- Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
| | - Jessica Beyerbach
- Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Isabelle Roux
- Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Louisa Harms
- Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Julian Eble
- Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Adriani Nikolakopoulou
- Institute of Medical Biometry and Statistics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Lukas Schwingshackl
- Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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Rosell M, Fadnes LT. Vegetables, fruits, and berries - a scoping review for Nordic Nutrition Recommendations 2023. Food Nutr Res 2024; 68:10455. [PMID: 38327994 PMCID: PMC10845895 DOI: 10.29219/fnr.v68.10455] [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: 01/07/2022] [Revised: 06/20/2022] [Accepted: 12/20/2023] [Indexed: 02/09/2024] Open
Abstract
Vegetables, fruits, and berries comprise a large variety of foods and are recognised to play an important role in preventing chronic diseases. Many observational studies have been published during the last decade, and the aim of this scoping review is to describe the overall evidence for the role of vegetables, fruits, and berries for health-related outcomes as a basis for setting and updating food-based dietary guidelines. A scoping review was conducted according to the protocol developed within the Nordic Nutrition Recommendations 2023 project. Current available evidence strengthens the role of consuming vegetables, fruits, and berries in preventing chronic diseases. The most robust evidence is found for cancer in the gastric system and lung cancer, cardiovascular disease, and all-cause mortality. Steeper risk reductions are generally seen at the lower intake ranges, but further reductions have been seen for higher intakes for cardiovascular disease. Weaker associations are seen for type 2 diabetes. There is evidence that suggests a beneficial role also for outcomes such as osteoporosis, depression, cognitive disorders, and frailty in the elderly. The observed associations are supported by several mechanisms, indicting causal effects. Some subgroups of vegetables, fruits, and berries may have greater benefits than other subgroups, supporting a recommendation to consume a variety of these foods.
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Affiliation(s)
- Magdalena Rosell
- Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden
| | - Lars T. Fadnes
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
- Bergen Addiction Research, Department of Addiction Medicine, Haukeland University Hospital, Bergen, Norway
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Wu YC, Hou CP, Weng SC. Lifestyle and Diet as Risk Factors for Urinary Stone Formation: A Study in a Taiwanese Population. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1895. [PMID: 38003945 PMCID: PMC10673421 DOI: 10.3390/medicina59111895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/05/2023] [Accepted: 10/12/2023] [Indexed: 11/26/2023]
Abstract
Background and Objectives: Urinary tract stones have long been a common ailment afflicting the population, with a high incidence and a wide distribution across different age groups. Effectively preventing the occurrence of urinary tract stones is of paramount importance. The primary aim of this study is to investigate the correlations between individual characteristics, water consumption habits, dietary habits, exercise habits, and the occurrence of urinary tract stones in a Taiwanese population. Materials and Methods: This study is cross-sectional research conducted over one month in 2022. One hundred eligible urinary stone cases were recruited through physician screening at outpatient clinics, and an additional one hundred samples from surgical outpatients without urinary tract stones were included as the control group. A questionnaire survey was employed to gather information on demographic variables, dietary habits, water consumption, and exercise habits of the cases. Descriptive statistics, chi-square tests, and logistic regression were used to explore the impact of relevant factors on urinary stone formation. Results: The analysis results revealed that among the demographic variables, males exhibited a higher risk of contracting urinary tract stones than females, and the majority of cases fell within the 40- to 49-year-old age group. Unhealthy lifestyle habits such as smoking and betel nut chewing also demonstrated a higher susceptibility to urinary tract stones. A logistic regression analysis showed that individuals who engaged in physical activity more than three times per week and those with inadequate water intakes had a higher risk of developing urinary tract stones. Conclusions: There is a close relationship between lifestyle and urinary tract stones. It is recommended that individuals continue to hydrate adequately during exercise.
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Affiliation(s)
- Ya-Chun Wu
- Department of Healthcare Management, Yuanpei University of Medical Technology, Hsinchu 300, Taiwan; (Y.-C.W.); (C.-P.H.)
- Hsinchu Branch, Taipei Veterans General Hospital, Hsinchu 310, Taiwan
| | - Chen-Pang Hou
- Department of Healthcare Management, Yuanpei University of Medical Technology, Hsinchu 300, Taiwan; (Y.-C.W.); (C.-P.H.)
- Department of Urology, Chang Gung Memorial Hospital at Linkou, Taoyuan 333, Taiwan
| | - Shu-Chuan Weng
- Department of Healthcare Management, Yuanpei University of Medical Technology, Hsinchu 300, Taiwan; (Y.-C.W.); (C.-P.H.)
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Muhamad S, Sowtali SN, Arifin SRM, Islah MAR, Mohd Shukri NA. Stone diet and dietary change: understanding determinants for dietary change behaviour in patients following urinary stones. J Hum Nutr Diet 2023; 36:2060-2072. [PMID: 37515409 DOI: 10.1111/jhn.13215] [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: 01/20/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023]
Abstract
BACKGROUND Dietary habit is one of the most important methods to prevent and treat urinary stones. However, only limited evidence of the experiences of dietary management among urinary stone patients in Malaysia is available. This study aimed to explore participants' current dietary practices after the diagnosis of urinary stones and to identify the factors that facilitate their dietary changes. METHODS A qualitative study with purposive sampling was conducted using face-to-face semistructured interviews. A total of 20 participants from a tertiary general hospital in Kuantan, Malaysia, were recruited in this study. Data were analysed using framework analysis. RESULTS Two themes emerged from the analysis. The first theme explained the changes in the dietary practice of the participants postdiagnosis. The second theme revealed that the participants' dietary changes were greatly influenced by personal factors and external support from professionals, family and peers. CONCLUSIONS Urinary stone patients highlighted the fear of complications, self-determination and knowledge of nutrition as the main drivers of their dietary change postdiagnosis. Emphasising proper nutritional care by assessing and evaluating dietary self-management among patients can facilitate effective self-care in stone prevention management.
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Affiliation(s)
- Suhana Muhamad
- Department of Medical-Surgical Nursing, Kulliyyah of Nursing (KON), International Islamic University Malaysia, Kuantan, Malaysia
| | - Siti Noorkhairina Sowtali
- Department of Professional Nursing Studies, Kulliyyah of Nursing, International Islamic University Malaysia, Kuantan, Malaysia
| | - Siti Roshaidai Mohd Arifin
- Department of Special Care Nursing, Kulliyyah of Nursing, International Islamic University Malaysia, Kuantan, Malaysia
| | - Munjih Ab Rashid Islah
- Department of Surgery, Kulliyyah of Medicine, International Islamic University Malaysia, Kuantan, Malaysia
| | - Nor Azwani Mohd Shukri
- Department of Nutrition Sciences, Kulliyyah of Allied Health Sciences, International Islamic University Malaysia, Kuantan, Malaysia
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Coello I, Sanchis P, Pieras EC, Grases F. Diet in Different Calcium Oxalate Kidney Stones. Nutrients 2023; 15:nu15112607. [PMID: 37299570 DOI: 10.3390/nu15112607] [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: 05/08/2023] [Revised: 05/29/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023] Open
Abstract
Diet can be a helpful tool to enhance the quality of urine and lower the likelihood and recurrence of kidney stones. This study set out to identify the foods and nutrients that are associated with each type of calcium oxalate kidney stone formation. A single-center, cross-sectional study was conducted. Between 2018 and 2021, a sample of 90 cases (13 cases with papillary COM, 27 with non-papillary COM, and 50 with COD kidney stones), as well as a control group of 50 people, were chosen. A food intake frequency questionnaire was completed by the study's participants, and the results were compared between groups. Additionally, a comparison of the 24 h urine analysis between stone groups was made. Processed food and meat derivatives were linked to COM papillary calculi (OR = 1.051, p = 0.032 and OR = 1.013, p = 0.012, respectively). Consuming enough calcium may offer protection against non-papillary COM stones (OR = 0.997; p = 0.002). Similarly, dairy product consumption was linked to COD calculi (OR = 1.005, p = 0.001). In conclusion, a diet high in animal items may increase the risk of developing papillary COM stones. Consuming calcium may be preventive against non-papillary COM calculi, and dairy product consumption may be a risk factor for COD stones.
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Affiliation(s)
- Iris Coello
- Urology Department, Joan XXIII University Hospital, 43005 Tarragona, Spain
| | - Pilar Sanchis
- Laboratory of Renal Lithiasis Research, University Institute of Health Science Research (IUNICS), Health Research Institute of the Balearic Islands (IdISBa), University of the Balearic Islands, 07122 Palma de Mallorca, Spain
| | - Enrique C Pieras
- Urology Department, Son Espases University Hospital, 07120 Palma de Mallorca, Spain
| | - Felix Grases
- Laboratory of Renal Lithiasis Research, University Institute of Health Science Research (IUNICS), Health Research Institute of the Balearic Islands (IdISBa), University of the Balearic Islands, 07122 Palma de Mallorca, Spain
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Remer T, Kalotai N, Amini AM, Lehmann A, Schmidt A, Bischoff-Ferrari HA, Egert S, Ellinger S, Kroke A, Kühn T, Lorkowski S, Nimptsch K, Schwingshackl L, Zittermann A, Watzl B, Siener R. Protein intake and risk of urolithiasis and kidney diseases: an umbrella review of systematic reviews for the evidence-based guideline of the German Nutrition Society. Eur J Nutr 2023:10.1007/s00394-023-03143-7. [PMID: 37133532 DOI: 10.1007/s00394-023-03143-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 04/03/2023] [Indexed: 05/04/2023]
Abstract
PURPOSE Changes in dietary protein intake metabolically affect kidney functions. However, knowledge on potential adverse consequences of long-term higher protein intake (HPI) for kidney health is lacking. To summarise and evaluate the available evidence for a relation between HPI and kidney diseases, an umbrella review of systematic reviews (SR) was conducted. METHODS PubMed, Embase and Cochrane Database of SRs published until 12/2022 were searched for the respective SRs with and without meta-analyses (MA) of randomised controlled trials or cohort studies. For assessments of methodological quality and of outcome-specific certainty of evidence, a modified version of AMSTAR 2 and the NutriGrade scoring tool were used, respectively. The overall certainty of evidence was assessed according to predefined criteria. RESULTS Six SRs with MA and three SRs without MA on various kidney-related outcomes were identified. Outcomes were chronic kidney disease, kidney stones and kidney function-related parameters: albuminuria, glomerular filtration rate, serum urea, urinary pH and urinary calcium excretion. Overall certainty of evidence was graded as 'possible' for stone risk not to be associated with HPI and albuminuria not to be elevated through HPI (above recommendations (> 0.8 g/kg body weight/day)) and graded as 'probable' or 'possible' for most other kidney function-related parameters to be physiologically increased with HPI. CONCLUSION Changes of the assessed outcomes may have reflected mostly physiological (regulatory), but not pathometabolic responses to higher protein loads. For none of the outcomes, evidence was found that HPI does specifically trigger kidney stones or diseases. However, for potential recommendations long-term data, also over decades, are required.
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Affiliation(s)
- Thomas Remer
- DONALD Study Center Dortmund, Department of Nutritional Epidemiology, Institute of Nutrition and Food Science, University of Bonn, Heinstück 11, 44225, Dortmund, Germany.
| | | | | | | | | | - Heike A Bischoff-Ferrari
- Department of Aging Medicine and Aging Research, University Hospital Zurich, University of Zurich, and City Hospital Zurich, Zurich, Switzerland
| | - Sarah Egert
- Department of Nutrition and Food Science, Nutritional Physiology, University of Bonn, Bonn, Germany
| | - Sabine Ellinger
- Department of Nutrition and Food Science, Human Nutrition, University of Bonn, Bonn, Germany
| | - Anja Kroke
- Department of Nutritional, Food and Consumer Sciences, Fulda University of Applied Sciences, Fulda, Germany
| | - Tilman Kühn
- The Institute for Global Food Security, Queen's University Belfast, Belfast, Northern Ireland, UK
- Faculty of Medicine and University Hospital, Heidelberg Institute of Global Health (HIGH), Heidelberg, Germany
- Department of Nutritional Sciences, University of Vienna, Vienna, Austria
- Center for Public Health, Medical University of Vienna, Vienna, Austria
| | - Stefan Lorkowski
- Institute of Nutritional Sciences, Friedrich Schiller, University Jena, Jena, Germany
- Competence Cluster for Nutrition and Cardiovascular, Health (nutriCARD) Halle-Jena-Leipzig, Jena, Germany
| | - Katharina Nimptsch
- Molecular Epidemiology Research Group, Max Delbrück Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany
| | - Lukas Schwingshackl
- Faculty of Medicine, Institute for Evidence in Medicine, Medical Center - University of Freiburg, Freiburg, Germany
| | - Armin Zittermann
- Clinic for Thoracic and Cardiovascular Surgery, Herz- Und Diabeteszentrum Nordrhein-Westfalen, Ruhr University Bochum, Bad Oeynhausen, Germany
| | - Bernhard Watzl
- Department of Physiology and Biochemistry of Nutrition, Max Rubner-Institut, Karlsruhe, Germany
| | - Roswitha Siener
- Department of Urology, University Stone Center, University Hospital Bonn, Bonn, Germany
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Liu W, Wang M, Liu J, Yan Q, Liu M. Causal effects of modifiable risk factors on kidney stones: a bidirectional mendelian randomization study. BMC Med Genomics 2023; 16:82. [PMID: 37081554 PMCID: PMC10116718 DOI: 10.1186/s12920-023-01520-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 04/15/2023] [Indexed: 04/22/2023] Open
Abstract
BACKGROUND Increasing epidemiological studies demonstrated that modifiable risk factors affected the risk of kidney stones. We aimed to systemically assess these causal associations using a bidirectional Mendelian randomization study. METHODS We obtained instrumental variables related to each exposure at the genome-wide significant threshold (P < 5 × 10-8). Summary level data for outcomes from the FinnGen consortium and UK Biobank were utilized in the discovery and replication stage. The Inverse-variance weighted (IVW) method was used as the primary analysis, with additional sensitivity analyses and fix-effect meta-analysis to verify the robustness of IVW results. RESULTS Among 46 risk factors, five were significantly associated with nephrolithiasis risk in the FinnGen consortium, UK Biobank, and meta-analyses collectively. The odds ratios (ORs) (95% confidence intervals [95%CIs]) of kidney stones were 1.21 (1.13, 1.29) per standard deviation (SD) increase in serum calcium, 1.55 (1.01, 2.36) per SD increase in serum 25(OH)D, 1.14 (1.00, 1.29) per SD increase in total triglycerides, 2.38 (1.34, 4.22) per SD increase in fasting insulin, and 0.28 (0.23, 0.35) per unit increase in log OR of urine pH. In addition, genetically predicted serum phosphorus, urinary sodium, tea consumption, and income affected the risk of kidney stones (false discovery rate [FDR] P < 0.05) based on the outcome data from the FinnGen consortium, and the significant associations of education and waist-to-hip ratio with nephrolithiasis risks were found after FDR correction (FDR P < 0.05) based on the outcome data from UK Biobank. CONCLUSIONS Our findings comprehensively provide modifiable risk factors for the prevention of nephrolithiasis. Genome-wide association studies with larger sample sizes are needed to verify these causal associations in the future further.
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Affiliation(s)
- Wen Liu
- Department of Urology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Miaomiao Wang
- Department of Urology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Jianyong Liu
- Department of Urology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Qiuxia Yan
- Fifth School of Clinical Medicine, Peking University, Beijing, China
| | - Ming Liu
- Department of Urology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China.
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China.
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Bai S, Zhang Y, Guo C, Liu Y, Zhang Q, Liu L, Sun S, Wang X, Zhou M, Jia Q, Song K, Zhang T, Ding Y, Zhao Y, Niu K, Xia Y. Associations between dietary patterns and nephrolithiasis risk in a large Chinese cohort: is a balanced or plant-based diet better? Food Funct 2023; 14:3220-3229. [PMID: 36920109 DOI: 10.1039/d2fo03993a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Purpose: Individual food items and nutrients are associated with the development of nephrolithiasis. Few studies have investigated the association between dietary patterns, particularly plant-based diets, and this disease. We aim to explore the associations between dietary patterns and incident nephrolithiasis risk. Materials and methods: This prospective cohort study included 26 490 participants. Factor analysis was applied to dietary information to identify three a posteriori dietary patterns, and six a priori plant-based dietary patterns (overall plant-based diet index [PDI], healthful plant-based diet index [hPDI], unhealthful plant-based diet index [uPDI], vegan diet, lacto-ovo-vegetarian diet, and fish-vegetarian diet) were defined. Nephrolithiasis was diagnosed using ultrasonography. Cox proportional hazard regression models were used to assess the hazard ratios (HRs) and 95% confidence intervals (CIs) for incident nephrolithiasis related to dietary patterns. Results: After 101 094 person-years follow-up, we documented 806 incident nephrolithiasis cases. An a posteriori balanced dietary pattern characterized by a higher intake of vegetables, eggs, grains, legumes, legume products, and meat was associated with a lower risk of nephrolithiasis (P for trend = 0.02). Compared to the reference group in the lowest quartile of the balanced pattern, participants in the highest quartile had an adjusted HR (95% CI) of 0.72 (0.53-0.96) for incident nephrolithiasis. Adherence to the uPDI increased the risk of incident nephrolithiasis (P for trend < 0.01; adjusted HR4th quartile vs. 1st quartile, 1.46, 95% CI, 1.14-1.97). No significant association was found between other a posteriori or a priori dietary patterns and incident nephrolithiasis. Conclusions: Adherence to a balanced dietary pattern, but not a plant-based diet, was associated with a lower nephrolithiasis risk. Moreover, higher uPDI consumption increased incident nephrolithiasis risk.
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Affiliation(s)
- Song Bai
- Department of Urology, Shengjing Hospital of China Medical University, China Medical University, Shenyang, China. .,Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, China Medical University, Shenyang, China. .,Key Laboratory of Precision Medical Research on Major Chronic Disease, Shenyang, China
| | - Yixiao Zhang
- Department of Urology, Shengjing Hospital of China Medical University, China Medical University, Shenyang, China. .,Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, China Medical University, Shenyang, China. .,Key Laboratory of Precision Medical Research on Major Chronic Disease, Shenyang, China
| | - Chuanji Guo
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, China Medical University, Shenyang, China.
| | - Yashu Liu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, China Medical University, Shenyang, China. .,Key Laboratory of Precision Medical Research on Major Chronic Disease, Shenyang, China
| | - Qing Zhang
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China.
| | - Li Liu
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China.
| | - Shaomei Sun
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China.
| | - Xing Wang
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China.
| | - Ming Zhou
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China.
| | - Qiyu Jia
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China.
| | - Kun Song
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China.
| | - Tingjing Zhang
- School of Public Health, Wannan Medical College, Wuhu, China.
| | - Yang Ding
- Department of Infectious Diseases, Shengjing Hospital of China Medical University, China Medical University, Shenyang, China.
| | - Yuhong Zhao
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, China Medical University, Shenyang, China. .,Key Laboratory of Precision Medical Research on Major Chronic Disease, Shenyang, China
| | - Kaijun Niu
- School of Public Health of Tianjin University of Traditional Chinese Medicine, Tianjin, China. .,Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Yang Xia
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, China Medical University, Shenyang, China. .,Key Laboratory of Precision Medical Research on Major Chronic Disease, Shenyang, China
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12
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Pediatric Nephrolithiasis. Healthcare (Basel) 2023; 11:healthcare11040552. [PMID: 36833086 PMCID: PMC9957182 DOI: 10.3390/healthcare11040552] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/30/2023] [Accepted: 02/10/2023] [Indexed: 02/15/2023] Open
Abstract
The prevalence of pediatric nephrolithiasis has increased dramatically in the past two decades for reasons that have yet to be fully elucidated. Workup of pediatric kidney stones should include metabolic assessment to identify and address any risk factors predisposing patients to recurrent stone formation, and treatment should aim to facilitate stone clearance while minimizing complications, radiation and anesthetic exposure, and other risks. Treatment methods include observation and supportive therapy, medical expulsive therapy, and surgical intervention, with choice of treatment method determined by clinicians' assessments of stone size, location, anatomic factors, comorbidities, other risk factors, and preferences and goals of patients and their families. Much of the current research into nephrolithiasis is restricted to adult populations, and more data are needed to better understand many aspects of the epidemiology and treatment of pediatric kidney stones.
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Yitgin Y, Asrak H, Tefik T. Role, importance and assessment of dietary habits in urolithiasis patient. World J Urol 2023; 41:1229-1233. [PMID: 36697917 DOI: 10.1007/s00345-023-04277-3] [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: 11/02/2022] [Accepted: 12/30/2022] [Indexed: 01/27/2023] Open
Abstract
Urolithiasis, which prevalence is increasing, poses a risk for chronic kidney disease in patients. Dietary habits play a significant role in stone formation, growth and recurrence. Also, comorbidities and lifestyle changes are among the factors affecting stone formation. The next step should be to detect metabolic disorders, if any, with analyzes to be made after a detailed anamnesis, and to arrange the necessary treatment. Insufficient fluid intake is considered to be the main dietary risk factor for urolithiasis. A daily fluid intake of 2.5-3.0 L/day or diuresis of 2.0-2.5 L/day is recommended to prevent recurrence of kidney stones. Not all beverages are beneficial, and some may even increase the risk of stone formation. Dietary management, vitamins and supplements, physical activity are important components in reducing the risk of recurrent urolithiasis. A detailed dietary assessment is recommended as dietary habits affect the faith of the disease. In this review we evaluated the dietary approach of urolithiasis patients with and without comorbidities, the recommended daily fluid intake, vitamin supplementation, and relation of the urolithiasis with physical activity.
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Affiliation(s)
- Yasin Yitgin
- Department of Urology, Faculty of Medicine, Istinye University, Istanbul, Turkey
| | - Halime Asrak
- Department of Nutrition and Dietetics, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Tzevat Tefik
- Department of Urology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey.
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14
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Fluid intake recommendations in urolithiasis and general advice to patients without metabolic risk factors. World J Urol 2023; 41:1251-1259. [PMID: 36692534 DOI: 10.1007/s00345-023-04285-3] [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: 12/04/2022] [Accepted: 01/03/2023] [Indexed: 01/25/2023] Open
Abstract
Urolithiasis is a highly prevalent global disease with substantially increasing incidence in the last two decades. Data from the literature suggests that 26%-50% of patients will have a recurrence within 10 years after an initial symptomatic stone episode. Therefore, interest has been raised in preventive strategies, aiming to modify the risk factors of stone recurrence by implementing dietary and lifestyle changes and specific medical treatments for stone formers, depending on their recurrence risk factors. Certain dietary factors are thought to contribute significantly to the increased incidence of urolithiasis, particularly a diet low in fiber and high in animal protein, fat, and sodium. Fluid intake is perhaps the most important and modifiable step in the prevention of urolithiasis, irrespective of stone composition. However, the amount of fluid to be consumed and the implications of various fluid types on stone formation are still controversial. In this article, the relationship between fluid intake, beverage types and stone formation-prevention will be discussed. Moreover, general dietary recommendations for patients without metabolic risk factors will be reviewed based on the current literature.
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15
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Pujol A, Sanchis P, Grases F, Masmiquel L. Phytate Intake, Health and Disease: "Let Thy Food Be Thy Medicine and Medicine Be Thy Food". Antioxidants (Basel) 2023; 12:antiox12010146. [PMID: 36671007 PMCID: PMC9855079 DOI: 10.3390/antiox12010146] [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: 12/07/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Phytate (myo-inositol hexakisphosphate or InsP6) is the main phosphorus reservoir that is present in almost all wholegrains, legumes, and oilseeds. It is a major component of the Mediterranean and Dietary Approaches to Stop Hypertension (DASH) diets. Phytate is recognized as a nutraceutical and is classified by the Food and Drug Administration (FDA) as Generally Recognized As Safe (GRAS). Phytate has been shown to be effective in treating or preventing certain diseases. Phytate has been shown to inhibit calcium salt crystallization and, therefore, to reduce vascular calcifications, calcium renal calculi and soft tissue calcifications. Moreover, the adsorption of phytate to the crystal faces can inhibit hydroxyapatite dissolution and bone resorption, thereby playing a role in the treatment/prevention of bone mass loss. Phytate has a potent antioxidation and anti-inflammatory action. It is capable of inhibiting lipid peroxidation through iron chelation, reducing iron-related free radical generation. As this has the effect of mitigating neuronal damage and loss, phytate shows promise in the treatment/prevention of neurodegenerative disease. It is reported that phytate improves lipid and carbohydrate metabolism, increases adiponectin, decreases leptin and reduces protein glycation, which is linked with macrovascular and microvascular diabetes complications. In this review, we summarize the benefits of phytate intake as seen in in vitro, animal model, epidemiological and clinical trials, and we also identify questions to answer in the future.
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Affiliation(s)
- Antelm Pujol
- Vascular and Metabolic Diseases Research Group, Endocrinology Department, Son Llàtzer University Hospital, Health Research Institute of the Balearic Islands (IdISBa), 07198 Palma de Mallorca, Spain
- Correspondence: (A.P.); (L.M.)
| | - Pilar Sanchis
- Laboratory of Renal Lithiasis Research, Deptartment of Chemistry, University of Balearic Islands, Health Research Institute of Balearic Islands, (IdISBa), 07122 Palma de Mallorca, Spain
| | - Felix Grases
- Laboratory of Renal Lithiasis Research, Deptartment of Chemistry, University of Balearic Islands, Health Research Institute of Balearic Islands, (IdISBa), 07122 Palma de Mallorca, Spain
| | - Luis Masmiquel
- Vascular and Metabolic Diseases Research Group, Endocrinology Department, Son Llàtzer University Hospital, Health Research Institute of the Balearic Islands (IdISBa), 07198 Palma de Mallorca, Spain
- Correspondence: (A.P.); (L.M.)
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16
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Kim SY, Yoo DM, Bang WJ, Choi HG. Obesity Is Positively Associated and Alcohol Intake Is Negatively Associated with Nephrolithiasis. Nutrients 2022; 14:nu14194122. [PMID: 36235774 PMCID: PMC9573005 DOI: 10.3390/nu14194122] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 09/22/2022] [Accepted: 09/29/2022] [Indexed: 11/24/2022] Open
Abstract
The current research investigated the impacts of smoking, alcohol consumption, and obesity on the development of nephrolithiasis. We included ≥40-year-old Koreans from the Korean National Health Insurance Service-Health Screening Cohort. A total of 28,395 nephrolithiasis patients were compared with 113,580 control participants. Previous histories of smoking, alcohol consumption, and obesity were examined before the presence of nephrolithiasis. Conditional logistic regression analysis was performed to estimate the odds ratios (ORs) of smoking, alcohol consumption, and obesity for nephrolithiasis. Further analyses were conducted, according to age, sex, smoking, alcohol consumption, and obesity. The current smoking status was not linked with the presence of nephrolithiasis. Alcohol consumption was linked with a lower likelihood of the presence of nephrolithiasis (adjusted OR (aOR) = 0.89, 95% confidence intervals (CI) = 0.86−0.92, p < 0.001). Being obese was associated with a greater likelihood of the presence of nephrolithiasis ((95% CI) = 1.27 (1.22−1.31) < 1.42 (1.37−1.46) < 1.59 (1.47−1.71) for overweight < obese I < obese II). The relation of alcohol consumption and obesity with nephrolithiasis was consistent in the subgroups. The presence of nephrolithiasis was positively linked with obesity and negatively linked with alcohol consumption.
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Affiliation(s)
- So Young Kim
- CHA Bundang Medical Center, Department of Otorhinolaryngology-Head & Neck Surgery, CHA University, Seongnam 13496, Korea
| | - Dae Myoung Yoo
- Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang 14068, Korea
| | - Woo Jin Bang
- Department of Urology, Hallym Sacred Heart Hospital, Hallym University College of Medicine, Anyang 14068, Korea
- Correspondence: (W.J.B.); (H.G.C.)
| | - Hyo Geun Choi
- Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang 14068, Korea
- Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University College of Medicine, Anyang 14068, Korea
- Correspondence: (W.J.B.); (H.G.C.)
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17
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Zahirian Moghadam T, Pourfarzi F, Mohseni Rad H, Zandian H. Kidney stones among Iranian adults: Prevalence and socioeconomic inequality assessment in a cohort-based cross-sectional study. Health Sci Rep 2022; 5:e877. [PMID: 36210880 PMCID: PMC9528948 DOI: 10.1002/hsr2.877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 09/09/2022] [Accepted: 09/19/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND AND AIMS Kidney stone disease is a crystal concretion formed usually within the kidneys. The worldwide prevalence of kidney stones could be affected by numerous differences in socioeconomic, and environmental factors. The purpose of this study is to investigate kidney stones among Iranian adults aged between 35 and 70 years and the prevalence and evaluation of socioeconomic inequalities. METHODS In this, a cohort-based cross-sectional study was carried out among 20,427 participants of ArNCDs aged 35 and 70 years old. Kidney stone was defined as a dependent (and binary) variable while demographic and socioeconomic factors were considered independent variables. Multivariable logistic regression was used to identify the key socioeconomic factors affecting kidney stone prevalence in Ardabil. RESULTS The overall prevalence of kidney stones was 17.6 (95% confidence interval [CI]: 16.1-19.2) out of which 21.53% and 14.36% pertained to men and women and 14.18% and 23.17% pertained to the poorest and richest groups, respectively. There was a significant difference in the prevalence of kidney stones between men and women in terms of age, marital status, education level, chronic disease, body mass index, and socioeconomic status (<0.001). The prevalence of kidney stones had a positive correlation with age (1.7, 95% [CI]: 1.42-2.04) and socioeconomic status (1.5, 95% [CI]: 1.34-1.69), where the odds of kidney stones increased significantly by increasing age and socioeconomic status. Moreover, the kidney stone concentration index showed a pro-rich distribution wherein it was more common among wealthy people (higher socioeconomic status) 0.062 (95% [CI]: 0.051-0.072). CONCLUSION The results of this study showed that there is significant inequality in the prevalence of kidney stones, where it was more common among the richest people. In addition, being men and old age are significantly related to kidney stones, so policymakers and physicians should consider these factors.
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Affiliation(s)
- Telma Zahirian Moghadam
- Social Determinants of Health Research CenterArdabil University of Medical SciencesArdabilIran
| | - Farhad Pourfarzi
- Digestive Disease Research CenterArdabil University of Medical SciencesArdabilIran
| | - Hamed Mohseni Rad
- Department of Surgery, School of Medicine and Allied Medical Sciences, Imam Reza HospitalArdabil University of Medical SciencesArdabilIran
| | - Hamed Zandian
- Social Determinants of Health Research CenterArdabil University of Medical SciencesArdabilIran
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18
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Liu Y, Bi S, Li H, Shi J, Xia Y, Niu K, Bai S. Association between tea intake and hospitalized nephrolithiasis in Chinese adults: A case–control study. Front Nutr 2022; 9:1014491. [PMID: 36245504 PMCID: PMC9554430 DOI: 10.3389/fnut.2022.1014491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 09/05/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction and aim Nephrolithiasis is one of the most common urological disorders worldwide. Tea is one of the most popular drinks worldwide. This study aimed to explore the association between tea intake and hospitalized nephrolithiasis in Chinese adults. Methods The patients and healthy participants were from the Shenyang sub-cohort of Tianjin Chronic Low-Grade Systemic Inflammation and Health Cohort Study. After selecting and matching by age (±1 year) and sex using the 1:2 ratio, 834 participants were included in this study. Of these, 278 patients had hospitalized nephrolithiasis and 556 were healthy controls. The tea intake was assessed using a validated self-administered food frequency questionnaire. Multivariate conditional logistic regression analysis was used to evaluate the association between tea intake and hospitalized nephrolithiasis. Results After adjustment, a higher frequency of tea intake was found to be negatively associated with the risk of hospitalized nephrolithiasis. Compared with participants who never drank tea, the odds ratio (95% confidence interval) [OR (95% CI)] for participants who drank ≥1 cup (180 mL) of tea per day was 0.418 (0.192–0.911) (P for trend = 0.013). Moreover, the adjusted OR (95% CI) for participants who drank ≥1 cup of green tea and black tea per day was 0.189 (0.069–0.520) (P for trend <0.001) and 1.248 (0.437–3.559) (P for trend = 0.654), respectively. Conclusions Increased tea intake was found to be associated with a lower risk of hospitalized nephrolithiasis among Chinese adults. This finding may assist in the prevention of hospitalized nephrolithiasis.
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Affiliation(s)
- Yingyu Liu
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shiyuan Bi
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Hexiao Li
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jianxiu Shi
- Department of Urology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Yang Xia
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Kaijun Niu
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Song Bai
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, China
- *Correspondence: Song Bai,
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Asoudeh F, Talebi S, Jayedi A, Marx W, Najafi MT, Mohammadi H. Associations of Total Protein or Animal Protein Intake and Animal Protein Sources with Risk of Kidney Stones: A Systematic Review and Dose-Response Meta-Analysis. Adv Nutr 2022; 13:821-832. [PMID: 35179185 PMCID: PMC9156392 DOI: 10.1093/advances/nmac013] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 07/25/2021] [Accepted: 02/11/2022] [Indexed: 01/10/2023] Open
Abstract
We conducted the present systematic review and meta-analysis to evaluate the association of total protein, animal protein, and animal protein sources with risk of kidney stones in the general population. A literature search was performed in PubMed/Medline, Scopus, and EMBASE up to July 2021. We assessed the credibility of evidence based on NutriGrade scoring system. A total of 14 prospective cohort studies were included. A positive association was observed between higher intake of nondairy animal protein (RR: 1.11; 95% CI: 1.03, 1.20; I2 = 0%, n = 4), total meat and meat products (RR: 1.22; 95% CI: 1.09, 1.38; I2 = 13%, n = 3), and processed meat (RR: 1.29; 95% CI: 1.10, 1.51; I2 = 0%, n = 2) with risk of kidney stones. There was an inverse association between higher intake of dairy protein and risk of kidney stones (RR: 0.91; 95% CI: 0.84, 0.99; I2 = 0%, n = 4). Moreover, each 100-gincrement of red meat intake was significantly associated with increased risk of kidney stones (RR: 1.39; 95% CI: 1.13, 1.71). According to the NutriGrade scoring system, the credibility of evidence for most of the exposures was rated as low. We found some kind of publication bias in the association of animal protein intake and risk of kidney stones, according to Egger's and Begg's tests. In the sensitivity analysis of processed meat as well as dairy consumption with risk of kidney stones we observed in each individual analysis, 1 study changed the overall estimate. Further observational studies are needed to confirm the present results. The protocol of the present study was registered in the International Prospective Register of Systematic Reviews (PROSPERO) database (CRD42021230125: https://www.crd.york.ac.uk/PROSPERO).
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Affiliation(s)
- Farzaneh Asoudeh
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Sepide Talebi
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Jayedi
- Social Determinants of Health Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - Wolfgang Marx
- Deakin University, IMPACT—The Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, School of Medicine, Barwon Health, Geelong, Australia
| | | | - Hamed Mohammadi
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
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20
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Molecular mechanisms altering tubular calcium reabsorption. Pediatr Nephrol 2022; 37:707-718. [PMID: 33796889 DOI: 10.1007/s00467-021-05049-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 02/12/2021] [Accepted: 03/09/2021] [Indexed: 12/09/2022]
Abstract
The majority of calcium filtered by the glomerulus is reabsorbed along the nephron. Most is reabsorbed from the proximal tubule (> 60%) via a paracellular pathway composed of the tight junction proteins claudins-2 and -12, a process driven by sodium and consequently water reabsorption. The thick ascending limb reabsorbs the next greatest amount of calcium (20-25%), also by a paracellular pathway composed of claudins-16 and -19. This pathway is regulated by the CaSR, whose activity increases the expression of claudin-14, a protein that blocks paracellular calcium reabsorption. The fine tuning of urinary calcium excretion occurs in the distal convoluted and connecting tubule by a transcellular pathway composed of the apical calcium channel TRPV5, the calcium shuttling protein calbindin-D28K and the basolateral proteins PMCA1b and the sodium calcium exchanger, NCX. Not surprisingly, mutations in a subset of these genes cause monogenic disorders with hypercalciuria as a part of the phenotype. More commonly, "idiopathic" hypercalciuria is encountered clinically with genetic variations in CLDN14, the CASR and TRPV5 associating with kidney stones and increased urinary calcium excretion. An understanding of the molecular pathways conferring kidney tubular calcium reabsorption is employed in this review to help explain how dietary and medical interventions for this disorder lower urinary calcium excretion.
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21
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Siener R, Hesse A. Effect of Black Tea Consumption on Urinary Risk Factors for Kidney Stone Formation. Nutrients 2021; 13:nu13124434. [PMID: 34959987 PMCID: PMC8708000 DOI: 10.3390/nu13124434] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 12/08/2021] [Indexed: 02/03/2023] Open
Abstract
Copious fluid intake is the most essential nutritional measure in the treatment of urolithiasis, and is suggested to be a protective factor in the primary prevention of urinary stone formation. Although the intake of black tea contributes to daily fluid intake, the high oxalate content could outweigh the beneficial effect of urine dilution. The present study investigated the effect of black tea consumption on urinary risk factors for kidney stone formation. Ten healthy men received a standardized diet for a period of ten days. Subjects consumed 1.5 L/day of fruit tea (0 mg/day oxalate) during the 5-day control phase, which was replaced by 1.5 L/day of black tea (86 mg/day oxalate) during the 5-day test phase. Fractional and 24-h urines were obtained. The intake of black tea did not significantly alter 24-h urinary oxalate excretion. Urinary citrate, an important inhibitor of calcium stone formation, increased significantly, while the relative supersaturation of calcium oxalate, uric acid, and struvite remained unchanged. No significantly increased risk for kidney stone formation could be derived from the ingestion of black tea in normal subjects. Further research is needed to evaluate the impact of black tea consumption in kidney stone patients with intestinal hyperabsorption of oxalate.
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Sun L, Liang X, Wang Y, Zhu S, Ou Q, Xu H, Li F, Tan X, Lai Z, Pu L, Chen X, Wei J, Wu F, Zhu H, Wang L. Fruit consumption and multiple health outcomes: An umbrella review. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.09.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Siener R. Nutrition and Kidney Stone Disease. Nutrients 2021; 13:nu13061917. [PMID: 34204863 PMCID: PMC8229448 DOI: 10.3390/nu13061917] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 05/29/2021] [Accepted: 05/31/2021] [Indexed: 12/12/2022] Open
Abstract
The prevalence of kidney stone disease is increasing worldwide. The recurrence rate of urinary stones is estimated to be up to 50%. Nephrolithiasis is associated with increased risk of chronic and end stage kidney disease. Diet composition is considered to play a crucial role in urinary stone formation. There is strong evidence that an inadequate fluid intake is the major dietary risk factor for urolithiasis. While the benefit of high fluid intake has been confirmed, the effect of different beverages, such as tap water, mineral water, fruit juices, soft drinks, tea and coffee, are debated. Other nutritional factors, including dietary protein, carbohydrates, oxalate, calcium and sodium chloride can also modulate the urinary risk profile and contribute to the risk of kidney stone formation. The assessment of nutritional risk factors is an essential component in the specific dietary therapy of kidney stone patients. An appropriate dietary intervention can contribute to the effective prevention of recurrent stones and reduce the burden of invasive surgical procedures for the treatment of urinary stone disease. This narrative review has intended to provide a comprehensive and updated overview on the role of nutrition and diet in kidney stone disease.
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Affiliation(s)
- Roswitha Siener
- University Stone Center, Department of Urology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany
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Penniston KL, Knoll T. Diätetische Aspekte der Urolithiasis. Urolithiasis 2021. [DOI: 10.1007/978-3-662-62454-8_14] [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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25
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Pathogenese und Risikofaktoren. Urolithiasis 2021. [DOI: 10.1007/978-3-662-62454-8_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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