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Ong WLK, Somani BK, Fong KY, Teoh JYC, Sarica K, Chai CA, Ragoori D, Tailly T, Hamri SB, Heng CT, Biligere S, Emiliani E, Gadzhiev N, Tanidir Y, Chew BH, Castellani D, Traxer O, Gauhar V. Retrograde intrarenal surgery for asymptomatic incidental renal stones: a retrospective, real-world data analysis. BJU Int 2024; 134:201-206. [PMID: 38343138 DOI: 10.1111/bju.16292] [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] [Indexed: 07/19/2024]
Abstract
OBJECTIVE To determine surgical outcomes and stone-free rates (SFRs) when offering upfront retrograde intrarenal surgery (RIRS) to patients with asymptomatic incidental renal stones (AIRS), as active surveillance, shockwave lithotripsy or upfront intervention in patients with AIRS is still a debate among urologists. PATIENTS AND METHODS This retrospective FLEXible Ureteroscopy Outcomes Registry (FLEXOR), supported by the Team of Worldwide Endourological Researchers (TOWER), examines adult patients who underwent RIRS. We analysed a subset of asymptomatic patients with renal stones on imaging who were treated with RIRS. Data includes patient characteristics, stone specifications, anaesthesia type, perioperative details, complications, and SFR. A multivariable logistic regression analysis was performed to assess factors associated with the SFR. RESULTS Among 679 patients with AIRS, 640 met the inclusion criteria. The median age was 55 years, with 33.4% being female. In all, 22.1% had positive urine cultures. The median stone diameter was 12 mm, commonly in lower and interpolar locations. RIRS was preferentially performed under general anaesthesia using a reusable scope in 443 cases. Prophylactic antibiotics were administered to 314 patients. The median operation time was 58 min and the median laser time was 24 min. The SFR was 68.8%. The use of holmium laser (odds ratio [OR] 0.21, 95% confidence interval [CI] 0.06-0.63; P < 0.01) and multiple stones (OR 0.38, 95% CI 0.19-0.76; P < 0.01) were factors associated with lower odds of being stone free. Overall complications were minimal, with sepsis in 1.6% of patients. Re-interventions were performed in 76 cases (11.8%), with RIRS being the most common in 67 cases (10.6%). CONCLUSION Our multicentre real-world study is the first of its kind that highlights the pros and cons of offering RIRS to patients with AIRS and demonstrates a favourable SFR with acceptable complications. Pre-emptively discussing potential re-intervention helps patients make informed decisions, particularly in cases involving large and multiple stones.
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Affiliation(s)
| | - Bhaskar Kumar Somani
- Department of Urology, University Hospitals Southampton, NHS Trust, Southampton, UK
| | - Khi Yung Fong
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Jeremy Yuen-Chun Teoh
- S. H. Ho Urology Centre, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Kemal Sarica
- Department of Urology, Biruni University Medical School, Istanbul, Turkey
| | - Chu Ann Chai
- Urology Unit, Department of Surgery, University Malaya, Kuala Lumpur, Malaysia
| | - Deepak Ragoori
- Department of Urology, Asian Institute of Nephrology & Urology, Irram Manzil Colony, Hyderabad, Telangana, India
| | - Thomas Tailly
- Department of Urology, ERN eUROGEN Accredited Centre, University Hospital of Ghent, Ghent, Belgium
| | - Saeed Bin Hamri
- Division of Urology, Department of Surgery, Ministry of the National Guard Health Affairs, King Saud Bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Chin Tiong Heng
- Department of Urology, Ng Teng Fong General Hospital, Singapore, Singapore
| | - Sarvajit Biligere
- Department of Urology, Ng Teng Fong General Hospital, Singapore, Singapore
| | - Esteban Emiliani
- Urology Department, Universidad Autónoma de Barcelona, Fundación Puigvert Barcelona, Barcelona, Spain
| | | | - Yiloren Tanidir
- Department of Urology, Marmara University School of Medicine, Istanbul, Turkey
| | - Ben Hall Chew
- Department of Urology, University of British Columbia, Vancouver, Canada
| | - Daniele Castellani
- Urology Unit, Azienda Ospedaliero-Universitaria Ospedali Riuniti Di Ancona, Università Politecnica Delle Marche, Ancona, Italy
| | - Oliver Traxer
- Department of Urology AP-HP, Sorbonne University, Tenon Hospital, Paris, France
| | - Vineet Gauhar
- Department of Urology, Ng Teng Fong General Hospital, Singapore, Singapore
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Cao X, Li S, Guan Y, Shao Z, Jiang M, Wang M, Hao X. Blood Calcium, Genetic Risk, and Risk of Incident Kidney Stone: A Population-Based Cohort Study. Mayo Clin Proc 2024; 99:1248-1260. [PMID: 38639678 DOI: 10.1016/j.mayocp.2023.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 12/04/2023] [Accepted: 12/12/2023] [Indexed: 04/20/2024]
Abstract
OBJECTIVE To investigate the association between blood calcium concentration and incident kidney stone as well as to assess the role played by genetic susceptibility. METHODS We performed a population-based cohort study based on participants from the UK Biobank. A multivariable Cox proportional hazards regression model was used to estimate hazard ratios (HRs) and 95% CIs of incident kidney stone for blood calcium level and polygenic risk score (PRS). In addition, the potential interaction was explored. The study was conducted from January 28, 2023, through June 4, 2023. RESULTS During the follow-up of 423,301 participants with a total of 5,490,332 person-years (median follow-up of 13.4 years), 4502 cases of kidney stone were recorded. Compared with the low blood calcium concentration group (first tertile), individuals in the high (third tertile) and moderate (second tertile) concentration groups had higher risks of kidney stone with HRs of 1.24 (95% CI, 1.15 to 1.33) and 1.11 (1.04 to 1.20), respectively. The PRS for kidney stone contained 40 independent single-nucleotide polymorphisms and was used to assign individuals to 3 groups according to the quintile. Participants with high (Q5) and moderate (Q2 to Q4) genetic risks had increased risks of kidney stone compared with low (Q1) genetic risk with HRs of 1.70 (1.53 to 1.89) and 1.31 (1.20 to 1.44), respectively. There was a joint cumulative risk of incident kidney stone between blood calcium concentration and genetic susceptibility. CONCLUSIONS Blood calcium concentration and PRS are significantly associated with incident kidney stone risk. Excessive blood calcium concentration might bring additional stone risk in populations at high genetic risk. A nonlinear correlation between blood calcium concentration and kidney stone risk was indicated.
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Affiliation(s)
- Xi Cao
- Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Si Li
- Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yunlong Guan
- Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhonghe Shao
- Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Minghui Jiang
- Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Miao Wang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
| | - Xingjie Hao
- Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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Yin S, Tang Y, Zhu M, Zeng J, Li X, Wu L, Wang X, Song T, Lin T. Ex Vivo Surgical Removal Versus Conservative Management of Small Asymptomatic Kidney Stones in Living Donors and Long-term Kidney Transplant Outcomes. Transplantation 2024:00007890-990000000-00831. [PMID: 39049114 DOI: 10.1097/tp.0000000000005146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
BACKGROUND Donors with small asymptomatic kidney stones have been increasingly accepted because of organ shortages and advances in endoscopic urology. This study aims to evaluate and compare long-term living-donor kidney transplant outcomes following ex vivo surgical removal versus conservative management of donors' gifted asymptomatic stones. METHODS Between January 2007 and December 2021, 119 kidney transplant recipients received stone-bearing kidneys, divided into the removal group (N = 63) and observation group (N = 56). We evaluated posttransplant stone events, urinary infections, kidney function, delayed graft function, length of hospital stay, and survival outcomes. RESULTS After a median follow-up of 75.5 mo, the removal group had a 10.9% lower absolute incidence of stone events (7/56 [12.5%] versus 1/63 [1.6%]; hazard ratio, 0.08; 95% confidence interval, 0.01-0.77) and a 14.3% lower absolute incidence of urinary infections (16/56 [28.6%] versus 9/63 [14.3%]; hazard ratio, 0.42; 95% confidence interval, 0.19-0.95) than the observation group. The removal group also showed superior kidney graft function. The 2 groups had comparable length of hospital stay (11.0 versus 12.0 d; P = 0.297) and exhibited similar delayed graft function incidence (1/56 [1.8%] versus 2/63 [3.2%]; P = 1.000) and urinary stricture incidence (1/56 [1.8%] versus 3/63 [4.8%]; P = 0.621). Graft survival (P = 0.350) and patient survival (P = 0.260) were comparable between 2 groups. Subgroup analyses in recipients who received kidneys with stones <4 mm also reported similar results. CONCLUSIONS Ex vivo surgical removal might outperform conservative management for donors' gifted asymptomatic kidney stones, improving long-term transplant outcomes and reducing stone events without increasing perioperative complications, even for stones <4 mm.
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Affiliation(s)
- Saifu Yin
- Department of Urology/Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Kidney Transplantation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yangming Tang
- Department of Urology/Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Kidney Transplantation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Mengli Zhu
- Core Facilities of West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jun Zeng
- Department of Urology/Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Kidney Transplantation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xingxing Li
- Institute of Systems Epidemiology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lijuan Wu
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xianding Wang
- Department of Urology/Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Turun Song
- Department of Urology/Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Kidney Transplantation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Tao Lin
- Department of Urology/Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Kidney Transplantation Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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Cheng Y, Zheng H, Yin H, Yin D, Wang H, Wang Y, Tang Q, Gu S. Changes in metabolic overweight phenotypes over time and risk of nephrolithiasis: a cohort study. BMC Public Health 2024; 24:1898. [PMID: 39014388 PMCID: PMC11251252 DOI: 10.1186/s12889-024-19229-8] [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: 11/21/2023] [Accepted: 06/21/2024] [Indexed: 07/18/2024] Open
Abstract
BACKGROUND Overweight/obesity is considered an independent risk factor for nephrolithiasis, but little is known about its effect on nephrolithiasis according to metabolic health status. OBJECTIVES We aimed to investigate the association between various metabolic overweight phenotypes and the occurrence of nephrolithiasis. It also explores whether changes in these phenotypes over time influence the risk of nephrolithiasis. MATERIALS AND METHODS A total of 10,315 participants free of nephrolithiasis who underwent an annual health checkup from 2017 to 2022 were included in our prospective cohort study. They were categorized into four groups according to the presence of overweight and metabolic abnormalities (MA). The primary endpoint was the occurrence of renal stones. Multivariable Cox analysis was conducted to elucidate the relationship between metabolic overweight phenotypes and incident nephrolithiasis. RESULTS During a median follow-up duration of 4.02 years, nephrolithiasis occurred in 1,468 (14.23%) participants. In the full cohort, we observed that the 5-year cumulative incidences of nephrolithiasis were highest in the metabolically healthy overweight (MHO) and metabolically abnormal overweight (MAO) groups. The hazard ratios (HRs) for nephrolithiasis, relative to metabolically healthy normal weight (MHNW), ranged from 1.19 (95% CI:1.03-1.37; MHO) to 1.32 (95% CI:1.15-1.51; MAO). Furthermore, individuals with persistent MHO throughout follow-up were at a 1.42-fold increased risk of nephrolithiasis (P < 0.001), and 32.17% of individuals experienced changes in phenotype during follow-up. Among MAO subjects, those who transitioned to MHO and MHNW had a 26% and 45% lower risk of incident nephrolithiasis, respectively, compared to those who persisted in the MAO phenotype. CONCLUSION Individuals in the MHO and MAO groups exhibit an elevated risk of incident nephrolithiasis in this prospective cohort study. A significant proportion of nephrolithiasis cases may be potentially preventable through the appropriate management of metabolic risk factors for MAO subjects.
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Affiliation(s)
- Yang Cheng
- Center for Health Management, Jiangsu Province Geriatric Hospital, 2 Yi-He Road, Nanjing, 210009, China
| | - Hui Zheng
- Center for Health Management, Jiangsu Province Geriatric Hospital, 2 Yi-He Road, Nanjing, 210009, China
| | - Hongli Yin
- Center for Health Management, Jiangsu Province Geriatric Hospital, 2 Yi-He Road, Nanjing, 210009, China
| | - Donghua Yin
- Center for Health Management, Jiangsu Province Geriatric Hospital, 2 Yi-He Road, Nanjing, 210009, China
| | - Hui Wang
- Center for Health Management, Jiangsu Province Geriatric Hospital, 2 Yi-He Road, Nanjing, 210009, China
| | - Ying Wang
- Center for Health Management, Jiangsu Province Geriatric Hospital, 2 Yi-He Road, Nanjing, 210009, China.
| | - Qiang Tang
- School of Sports and Health, Nanjing Sport Institute, 8 Ling-Gu Temple Road, Nanjing, 210014, China.
- Jiangsu Collaborative Innovation Center for Sport and Health Project, Nanjing, China.
| | - Shouyong Gu
- Institute of Geriatric Medicine, Jiangsu Province Geriatric Hospital, 65 Jiang-Su Road, Nanjing, 210009, China.
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Li Y, Xie L, Liu C. Prediction of systemic inflammatory response syndrome and urosepsis after percutaneous nephrolithotomy by urine culture, stone culture, and renal pelvis urine culture: Systematic review and meta-analysis. Heliyon 2024; 10:e33155. [PMID: 39040347 PMCID: PMC11260937 DOI: 10.1016/j.heliyon.2024.e33155] [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: 01/23/2024] [Revised: 06/10/2024] [Accepted: 06/14/2024] [Indexed: 07/24/2024] Open
Abstract
Background Percutaneous nephrolithotomy (PCNL) is thought to have an increased risk of infectious complications. This study evaluates the predictability of preoperative midstream urine culture (PMUC), stone culture (SC), and renal pelvis urine culture (RPUC) for post-PCNL systemic inflammatory response syndrome (SIRS) or urosepsis. Method After literature search in electronic databases (Embase, PubMed, Ovid, Science Direct, and Springer), studies were selected by following precise eligibility criteria. The quality of included studies was assessed, and meta-analyses of proportions were performed to seek culture positivity rates and incidence rates of post-PCNL SIRS/urosepsis. Meta-analyses of odds ratios (OR) were performed to evaluate the odds of positivity between SC and PMUC or RPUC, and the odds of post-PCNL SIRS/urosepsis with SC versus PMUC or RPUC. Results Nineteen studies (4829 patients) were included. Positivity rates of PMUC, SC, and RPUC were 16 % [95 % CI: 12, 20], 21 % [95 % CI: 16, 26] and 10 % [95 % CI: 7, 14] respectively. The odds of positivity were significantly higher for SC compared to PMUC (OR 1.37 [95%CI: 1.02, 1.84]; p = 0.037) or RPUC (OR 1.65 [95%CI: 1.25, 2.18] p < 0.0001). The incidence of post-PCNL SIRS and urosepsis was 21 % [95%CI: 17, 25] and 6 % [95%CI: 3, 10] respectively. The odds of post-PCNL SIRS were significantly higher with SC compared to PMUC (OR 2.45 [95%CI: 1.12, 5.38] p = 0.025) or RPUC (OR 2.10 [95%CI: 1.33, 3.30]; p = 0.001) positivity. The odds of developing urosepsis after PCNL were not significantly different between SC and PMUC positivity (OR 1.874 [95 % CI: 0.943, 3.723]; p = 0.073). Conclusion The risk of post-PCNL SIRS is found higher with SC than with PMUC or RPUC positivity. However, the risk of urosepsis may not be different between SC and PMUC.
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Affiliation(s)
- Yanjun Li
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin, 300211, China
| | - Linguo Xie
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin, 300211, China
| | - Chunyu Liu
- Department of Urology, the Second Hospital of Tianjin Medical University, Tianjin, 300211, China
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Chen T, Cheng Y, Song Z, Zhang G, Zeng T, Chao H. Association between non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio (NHHR) and kidney stone: evidence from NHANES 2007-2018. BMC Public Health 2024; 24:1818. [PMID: 38978025 PMCID: PMC11232242 DOI: 10.1186/s12889-024-19265-4] [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: 02/20/2024] [Accepted: 06/25/2024] [Indexed: 07/10/2024] Open
Abstract
BACKGROUND As an innovative lipid parameter, NHHR (the ratio of non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol) can serve as a valuable tool for assessing cardiovascular disease risk. Nevertheless, the relationship between NHHR and the risk of kidney stones remains unexplored. METHODS A cross-sectional survey utilized data from the National Health and Population Survey (NHANES) database in the United States spanning from 2007 to 2018. Distinct statistical analyses were applied, including weighted logistic regression, stratified and interaction analysis and restricted cubic spline curve (RCS) models, to examine the correlation between NHHR and the incidence of kidney stones. RESULTS This analysis encompassed 24,664 participants, with 9.63% reporting incidents of kidney stones. Following multivariate logistic regression and comprehensive adjustments, participants in NHHR quartile 4 (OR 1.34; 95% CI 1.12, 1.60, P < 0.01) exhibited a significantly increased risk of kidney stones compared to those in NHHR quartile 1 (Q1). The RCS result further illustrated a non-linear correlation between NHHR and the incidence of kidney stones. The result of subgroup analysis manifested that participants without diabetes had a higher risk of kidney stones when measured high NHHR levels compared those with diabetes (p for interaction < 0.05). CONCLUSION Elevated NHHR levels were found to be associated with an increased risk of kidney stones. Based on these findings, NHHR appears to be a promising predictive indicator for the occurrence of kidney stones.
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Affiliation(s)
- Tao Chen
- Department of Urology, the second Affiliated Hospital of Nanchang University, Nanchang, China
- Medical college of Nanchang University, Nanchang, China
| | - Yu Cheng
- Department of Urology, the second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Zheng Song
- Department of Urology, the second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Gan Zhang
- Department of Urology, the second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Tao Zeng
- Department of Urology, the second Affiliated Hospital of Nanchang University, Nanchang, China.
| | - Haichao Chao
- Department of Urology, the second Affiliated Hospital of Nanchang University, Nanchang, China.
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Xiao Y, Wang J, Yin S, Tang Y, Cui J, Yang Z, Huang K, Wang J, Bai Y. Association Between Physical Activity and the Prevalence of Kidney Stones in American Adults: Results From a Multiyear National Survey. Urology 2024; 189:9-18. [PMID: 38657872 DOI: 10.1016/j.urology.2024.03.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 03/08/2024] [Accepted: 03/22/2024] [Indexed: 04/26/2024]
Abstract
OBJECTIVE To investigate the association between physical activity (PA) and the prevalence of kidney stones. METHODS A cross-section study was conducted using data from National Health and Nutrition Examination Survey 2007-2018. PA was evaluated based on the Global Physical Activity Questionnaire. Multivariable logistic regression was performed to elucidate the association between PA (patterns, intensity, duration, and frequency of moderate and vigorous PA) and the prevalence of kidney stones after adjusting for potential confounders. Stratified and interaction analyses were conducted to detect potential effect modifiers. In addition, PA was assessed using metabolic equivalent and physical volume, and followed the regression above. Water intake was obtained from the day 2 dietary recall and was included in the sensitivity analysis. RESULTS A total of 34,390 participants were included in the analysis. The multivariable logistic regression revealed that individuals who engaged in moderate PA for 30-60 minutes per day had a significant inverse association with the prevalence of kidney stones in the fully adjusted model (odds ratio=0.804, 95% confidence interval 0.700 to 0.923), while no more significant finding was observed for other PA parameters. Interaction and stratified analyses indicated no covariate modifying the association. The results above were robust in the sensitivity analysis. CONCLUSION The duration of moderate PA (30-60 min/d) is inversely associated with the prevalence of kidney stones, while no more significant association was observed between other PA parameters (including patterns, intensity, duration, and frequency of vigorous PA, frequency of moderate PA) and kidney stones.
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Affiliation(s)
- Yunfei Xiao
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Jiahao Wang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Shan Yin
- Department of Urology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Yaxiong Tang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Jianwei Cui
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Zhenzhen Yang
- Department of Clinical Laboratory, Nanchong Central Hospital, Nanchong, China
| | - Ke Huang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Jia Wang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Yunjin Bai
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China.
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Du YZ, Dong QX, Hu HJ, Guo B, Li YH, Zhang J, Li FC, Guo J. A cross-sectional analysis of the relationship between the non-high density to high density lipoprotein cholesterol ratio (NHHR) and kidney stone risk in American adults. Lipids Health Dis 2024; 23:158. [PMID: 38802797 PMCID: PMC11129406 DOI: 10.1186/s12944-024-02150-9] [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: 03/30/2024] [Accepted: 05/16/2024] [Indexed: 05/29/2024] Open
Abstract
BACKGROUND Recent interest in the Non-High Density to High Density Lipoprotein Cholesterol ratio (NHHR) has emerged due to its potential role in metabolic disorders. However, the connection between NHHR and the development of kidney stones still lacks clarity. The primary goal of this research is to explore how NHHR correlates with kidney stone incidence. METHODS An analysis was conducted on the data collected by the National Health and Nutrition Examination Survey (NHANES) between 2007 and 2018, focusing on adults over 20 years diagnosed with kidney stones and those with available NHHR values. Employing weighted logistic regression and Restricted Cubic Spline (RCS) models, NHHR levels' correlation with kidney stone risk was examined. Extensive subgroup analyses were conducted for enhanced reliability of the findings. RESULTS The findings indicate a heightened kidney stone risk for those at the highest NHHR levels relative to those at the lowest (reference group). A notable non-linear correlation of NHHR with kidney stone incidence has been observed, with a significant P-value (< 0.001), consistent across various subgroups. CONCLUSION A clear link exists between high NHHR levels and increased kidney stone risk in the American adult population. This study highlights NHHR's significance as a potential indicator in kidney stone formation.
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Affiliation(s)
- Yuan-Zhuo Du
- Department of Urology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
- Jiangxi Institute of Urology, Nanchang, 330000, Jiangxi Province, China
| | - Qian-Xi Dong
- Department of Urology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
- Jiangxi Institute of Urology, Nanchang, 330000, Jiangxi Province, China
| | - Hong-Ji Hu
- Department of Urology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
- Jiangxi Institute of Urology, Nanchang, 330000, Jiangxi Province, China
| | - Biao Guo
- Department of Urology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
- Jiangxi Institute of Urology, Nanchang, 330000, Jiangxi Province, China
| | - Yi-He Li
- Department of Urology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
- Jiangxi Institute of Urology, Nanchang, 330000, Jiangxi Province, China
| | - Ji Zhang
- Department of Urology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
- Jiangxi Institute of Urology, Nanchang, 330000, Jiangxi Province, China
| | - Fu-Chun Li
- Department of Urology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
- Jiangxi Institute of Urology, Nanchang, 330000, Jiangxi Province, China
| | - Ju Guo
- Department of Urology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China.
- Jiangxi Institute of Urology, Nanchang, 330000, Jiangxi Province, China.
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Prywer J, Torzewska A, Mielniczek-Brzóska E. Understanding the role of zinc ions on struvite nucleation and growth in the context of infection urinary stones. Metallomics 2024; 16:mfae017. [PMID: 38599629 PMCID: PMC11095266 DOI: 10.1093/mtomcs/mfae017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Accepted: 04/09/2024] [Indexed: 04/12/2024]
Abstract
Taking into account that in recent decades there has been an increase in the incidence of urinary stones, especially in highly developed countries, from a wide range of potentially harmful substances commonly available in such countries, we chose zinc for the research presented in this article, which is classified by some sources as a heavy metal. In this article, we present the results of research on the influence of Zn2+ ion on the nucleation and growth of struvite crystals-the main component of infection urinary stones. The tests were carried out in an artificial urine environment with and without the presence of Proteus mirabilis bacteria. In the latter case, the activity of bacterial urease was simulated chemically, by systematic addition of an aqueous ammonia solution. The obtained results indicate that Zn2+ ions compete with Mg2+ ions, which leads to the gradual replacement of Mg2+ ions in the struvite crystal lattice with Zn2+ ions to some extent. This means co-precipitation of Mg-struvite (MgNH4PO4·6H2O) and Znx-struvite (Mg1-xZnxNH4PO4·6H2O). Speciation analysis of chemical complexes showed that Znx-struvite precipitates at slightly lower pH values than Mg-struvite. This means that Zn2+ ions shift the nucleation point of crystalline solids towards a lower pH. Additionally, the conducted research shows that Zn2+ ions, in the range of tested concentrations, do not have a toxic effect on bacteria; on the contrary, it has a positive effect on cellular metabolism, enabling bacteria to develop better. It means that Zn2+ ions in artificial urine, in vitro, slightly increase the risk of developing infection urinary stones.
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Affiliation(s)
- Jolanta Prywer
- Institute of Physics, Lodz University of Technology, ul. Wólczańska 217/221, 93-005 Łódź, Poland
| | - Agnieszka Torzewska
- Department of Biology of Bacteria, Faculty of Biology and Environmental Protection, University of Lodz, ul. Banacha 12/16, 90-237 Łódź, Poland
| | - Ewa Mielniczek-Brzóska
- Institute of Chemistry, Faculty of Science and Technology, Jan Długosz University of Czestochowa, ul. Armii Krajowej 13/15, 42-200 Częstochowa, Poland
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Wang X, Guo X, Tang Z, Ying X, Tang C, Shen R. Secondary bladder stone caused by delayed penetration of the bladder by a pubic fracture: A case report and literature review. Exp Ther Med 2024; 27:167. [PMID: 38476919 PMCID: PMC10928999 DOI: 10.3892/etm.2024.12455] [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: 09/29/2023] [Accepted: 01/19/2024] [Indexed: 03/14/2024] Open
Abstract
Pelvic fractures sometimes lead to injuries of the urinary bladder, which commonly present as gross hematuria, dysuria and lower abdominal pain. As a type of urinary stone, bladder stones are usually secondary to lower urinary tract obstruction, such as benign prostatic hyperplasia, urethral stricture, and neurogenic bladder. The present case report examines an unusual case of a delayed pubic fracture penetrating the bladder, which caused a secondary bladder stone. A 53-year-old man was first hospitalized at The Second Hospital of Jiaxing (Jiaxing, China) in January 2020 because of trauma-induced bleeding in the scalp and abdominal pain. The patient underwent abdominal exploration and partial bowel resection, and his condition stabilized after surgery. After discharge, the patient had regular outpatient check-ups every 2-3 weeks. However, after 3 months, in April 2020, the patient was readmitted to the hospital because of frequent urination, an urgent need for urination and dysuria. Abdominal computed tomography imaging and cystoscopy revealed a pubic fracture that had penetrated the bladder wall, accompanied by a bladder stone. Subsequently, cystolithotomy was performed, which provided significant relief of symptoms once the catheter was removed after 2 weeks. Since then, the patient has been followed up until January 2023 and had remained asymptomatic. Bladder stones caused by necrotic bone fragmentation are rare. Bladder injuries resulting from pelvic fractures can have delayed onset; therefore, clinicians should be aware of the possibility of urogenital injury in such patients. It is crucial for clinicians to comprehend the potential mechanisms involved, analyze the clinical data of patients, closely monitor their condition and implement appropriate treatment measures when necessary.
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Affiliation(s)
- Xinghao Wang
- Jiaxing University Master Degree Cultivation Base, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310000, P.R. China
| | - Xiao Guo
- Department of Urology, The Second Hospital of Jiaxing, Jiaxing, Zhejiang 314000, P.R. China
| | - Zhiling Tang
- Department of Urology, The Second Hospital of Jiaxing, Jiaxing, Zhejiang 314000, P.R. China
| | - Xiangjun Ying
- Department of Urology, The Second Hospital of Jiaxing, Jiaxing, Zhejiang 314000, P.R. China
| | - Chenye Tang
- Department of Urology, The Second Hospital of Jiaxing, Jiaxing, Zhejiang 314000, P.R. China
| | - Ruilin Shen
- Department of Urology, The Second Hospital of Jiaxing, Jiaxing, Zhejiang 314000, P.R. China
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Xing Z, Zhu Z, Jiang Z, Zhao J, Chen Q, Xing W, Pan L, Zeng Y, Liu A, Ding J. Automatic Urinary Stone Detection System for Abdominal Non-Enhanced CT Images Reduces the Burden on Radiologists. JOURNAL OF IMAGING INFORMATICS IN MEDICINE 2024; 37:444-454. [PMID: 38343222 PMCID: PMC11031534 DOI: 10.1007/s10278-023-00946-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/18/2023] [Accepted: 10/18/2023] [Indexed: 04/20/2024]
Abstract
To develop a fully automatic urinary stone detection system (kidney, ureter, and bladder) and to test it in a real clinical environment. The local institutional review board approved this retrospective single-center study that used non-enhanced abdominopelvic CT scans from patients admitted urology (uPatients) and emergency (ePatients). The uPatients were randomly divided into training and validation sets in a ratio of 3:1. We designed a cascade urinary stone map location-feature pyramid networks (USm-FPNs) and innovatively proposed a ureter distance heatmap method to estimate the ureter position on non-enhanced CT to further reduce the false positives. The performances of the system were compared using the free-response receiver operating characteristic curve and the precision-recall curve. This study included 811 uPatients and 356 ePatients. At stone level, the cascade detector USm-FPNs has the mean of false positives per scan (mFP) 1.88 with the sensitivity 0.977 in validation set, and mFP was further reduced to 1.18 with the sensitivity 0.977 after combining the ureter distance heatmap. At patient level, the sensitivity and precision were as high as 0.995 and 0.990 in validation set, respectively. In a real clinical set of ePatients (27.5% of patients contain stones), the mFP was 1.31 with as high as sensitivity 0.977, and the diagnostic time reduced by > 20% with the system help. A fully automatic detection system for entire urinary stones on non-enhanced CT scans was proposed and reduces obviously the burden on junior radiologists without compromising sensitivity in real emergency data.
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Affiliation(s)
- Zhaoyu Xing
- Department of Urology, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Zuhui Zhu
- Department of Radiology, Nantong Hospital of Traditional Chinese Medicine, Nantong, Jiangsu, China
| | - Zhenxing Jiang
- Department of Radiology, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Jingshi Zhao
- Department of Radiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Qin Chen
- Department of Radiology, People's Hospital of Pengzhou, Chengdu, Sichuan, China
| | - Wei Xing
- Department of Radiology, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Liang Pan
- Department of Radiology, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Yan Zeng
- Department of Research Center, Shanghai United Imaging Intelligence Co. Ltd, Shanghai, China.
| | - Aie Liu
- Department of Research Center, Shanghai United Imaging Intelligence Co. Ltd, Shanghai, China.
| | - Jiule Ding
- Department of Radiology, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China.
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Ni J, Lv L, Wu P, Xu C. Associations between the platelet/high-density lipoprotein cholesterol ratio and likelihood of nephrolithiasis: a cross-sectional analysis in United States adults. Front Endocrinol (Lausanne) 2024; 15:1289553. [PMID: 38449847 PMCID: PMC10914985 DOI: 10.3389/fendo.2024.1289553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 02/02/2024] [Indexed: 03/08/2024] Open
Abstract
Aims The primary objective of this study was to investigate the relationship between the platelet/high-density lipoprotein cholesterol ratio (PHR) and the prevalence of nephrolithiasis within the adult population of the United States. Methods The data used in this study were obtained from the National Health and Nutrition Examination Survey (NHANES) conducted between 2007 and 2018. The analysis included a non-pregnant population aged 20 years or older, providing proper PHR index and nephrolithiasis data. The research utilized subgroup analyses and weighted univariate and multivariable logistic regression to evaluate the independent association between the PHR and the susceptibility to nephrolithiasis. Results The study comprised 30,899 participants with an average PHR value of 19.30 ± 0.11. The overall prevalence rate of nephrolithiasis was estimated at 9.98% with an increase in the higher PHR tertiles (T1, 8.49%; T2, 10.11%; T3, 11.38%, P < 0.0001). An elevated PHR level was closely linked with a higher susceptibility to nephrolithiasis. Compared with patients in T1, and after adjusting for potential confounders in model 2, the corresponding odds ratio for nephrolithiasis in T3 was 1.48 (95% CI: 1.06 to 2.08), with a P-value = 0.02. The results of the interaction tests revealed a significant impact of chronic kidney disease on the relationship between PHR and nephrolithiasis. Furthermore, the restricted cubic spline analyses exhibited a positive, non-linear correlation between PHR and the risk of nephrolithiasis. Conclusion A convenient biomarker, the PHR, was independently associated with nephrolithiasis and could be a novel biomarker in predicting occurrence in clinical decision.
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Affiliation(s)
- Junjie Ni
- Department of Breast and Thyroid Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, China
| | - Lin Lv
- Department of Breast and Thyroid Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, China
| | - Pu Wu
- Central Laboratory, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, China
| | - Chaoyang Xu
- Department of Breast and Thyroid Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, China
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Aksenov LI, Streeper NM, Scales CD. Leveraging behavioral modification technology for the prevention of kidney stones. Curr Opin Urol 2024; 34:14-19. [PMID: 37962162 PMCID: PMC10842369 DOI: 10.1097/mou.0000000000001142] [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] [Indexed: 11/15/2023]
Abstract
PURPOSE OF REVIEW The purpose of this review is to examine the use of technology to help promote and maintain behaviors that decrease stone recurrence. RECENT FINDINGS Behavior change is a complex process with various interacting components. Recent developments have sought to utilize technology in combination with behavioral change techniques to promote behavior that lowers stone recurrence risk. Smart water bottles are becoming a popular way to accurately measure fluid intake with variable impact on adherence to the recommended daily fluid intake. Mobile apps have also been explored as a method to improve fluid intake. Interventions that combine smart water bottles, mobile apps, and behavioral change techniques have shown the most promise in promoting increased daily fluid intake. Other technologies, such as smart pill dispensers and hydration monitors, have potential applications in promoting behavioral change for stone disease but have yet to be evaluated for this purpose. SUMMARY There is a limited number of studies exploring technology as a means to promote and maintain behaviors that decrease urinary stone recurrence. Future research is needed to elucidate how to maximize the potential of these technologies and better understand which behavioral change techniques best promote habit formation for the prevention of stones.
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Affiliation(s)
- Leonid I. Aksenov
- Department of Urology, Duke University School of Medicine, Durham, NC
| | - Necole M. Streeper
- Department of Urology, Penn State Health Milton S. Hershey Medical Center, Hershey, PA
| | - Charles D. Scales
- Department of Urology, Duke University School of Medicine, Durham, NC
- Duke-Margolis Center for Health Policy, Duke University, Durham, NC
- Department Population Health Science and Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC
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Mukherjee P, Lee S, Elton DC, Pickhardt PJ, Summers RM. Longitudinal follow-up of incidental renal calculi on computed tomography. Abdom Radiol (NY) 2024; 49:173-181. [PMID: 37906271 DOI: 10.1007/s00261-023-04075-w] [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: 07/24/2023] [Revised: 09/19/2023] [Accepted: 09/20/2023] [Indexed: 11/02/2023]
Abstract
RATIONALE AND OBJECTIVES Measuring small kidney stones on CT is a time-consuming task often neglected. Volumetric assessment provides a better measure of size than linear dimensions. Our objective is to analyze the growth rate and prognosis of incidental kidney stones in asymptomatic patients on CT. MATERIALS AND METHODS This retrospective study included 4266 scans from 2030 asymptomatic patients who underwent two or more nonenhanced CT scans for colorectal screening between 2004 and 2016. The DL software identified and measured the volume, location, and attenuation of 883 stones. The corresponding scans were manually evaluated, and patients without follow-up were excluded. At each follow-up, the stones were categorized as new, growing, persistent, or resolved. Stone size (volume and diameter), attenuation, and location were correlated with the outcome and growth rates of the stones. RESULTS The stone cohort comprised 407 scans from 189 (M: 124, F: 65, median age: 55.4 years) patients. The median number of stones per scan was 1 (IQR: [1, 2]). The median stone volume was 17.1 mm3 (IQR: [7.4, 43.6]) and the median peak attenuation was 308 HU (IQR: [204, 532]. The 189 initial scans contained 291stones; 91 (31.3%) resolved, 142 (48.8%) grew, and 58 (19.9) remained persistent at the first follow-up. At the second follow-up (for 27 patients with 2 follow-ups), 14/44 (31.8%) stones had resolved, 19/44 (43.2%) grew and 11/44 (25%) were persistent. The median growth rate of growing stones was 3.3 mm3/year, IQR: [1.4,7.4]. Size and attenuation had a moderate correlation (Spearman rho 0.53, P < .001 for volume, and 0.50 P < .001 for peak attenuation) with the growth rate. Growing and persistent stones had significantly greater maximum axial diameter (2.7 vs 2.3 mm, P =.047) and peak attenuation (300 vs 258 HU, P =.031) CONCLUSION: We report a 12.7% prevalence of incidental kidney stones in asymptomatic adults, of which about half grew during follow-up with a median growth rate of about 3.3 mm3/year.
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Affiliation(s)
- Pritam Mukherjee
- Imaging Biomarkers and Computer-Aided Diagnosis Laboratory, Department of Radiology and Imaging Sciences, National Institutes of Health Clinical Center, Building 10, Room 1C224D, 10 Center Drive, Bethesda, MD, 20892-1182, USA
| | - Sungwon Lee
- Imaging Biomarkers and Computer-Aided Diagnosis Laboratory, Department of Radiology and Imaging Sciences, National Institutes of Health Clinical Center, Building 10, Room 1C224D, 10 Center Drive, Bethesda, MD, 20892-1182, USA
| | - Daniel C Elton
- Imaging Biomarkers and Computer-Aided Diagnosis Laboratory, Department of Radiology and Imaging Sciences, National Institutes of Health Clinical Center, Building 10, Room 1C224D, 10 Center Drive, Bethesda, MD, 20892-1182, USA
| | - Perry J Pickhardt
- Department of Radiology, School of Medicine & Public Health, The University of Wisconsin, Madison, WI, USA
| | - Ronald M Summers
- Imaging Biomarkers and Computer-Aided Diagnosis Laboratory, Department of Radiology and Imaging Sciences, National Institutes of Health Clinical Center, Building 10, Room 1C224D, 10 Center Drive, Bethesda, MD, 20892-1182, USA.
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Modou N, Mohamed D, Motoula Latou L, Racine K, Lamine N, Dominique D, Mohamed SS. Epidemiology and composition of upper urinary tract lithiasis in Senegalese population: a multicenter retrospective study. Urolithiasis 2023; 52:4. [PMID: 37982903 DOI: 10.1007/s00240-023-01498-4] [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: 04/21/2023] [Accepted: 10/24/2023] [Indexed: 11/21/2023]
Abstract
Urolithiasis is a major public health issue due to its increasing prevalence. The objective of this study was to describe the spectrophotometric profile of upper urinary tract stones (UTS) in Senegal. We conducted a multicenter retrospective study of all patients treated for upper UTS whose chemical composition was analyzed from January 2014 to January 2020 in eight regions of Senegal. Socio-demographic, clinical, paraclinical, and prognosis data were collected and analyzed. Three hundred and thirty-four patients were included in this study with a mean age of 46.3 ± 18.4 years and a sex ratio of 1.38. About one-third of patients (31.1%) had a body mass index > 25 kg/m2 and 74.2% presented with lumbar pain was the main clinical symptom. Calcium oxalate and calcium phosphate stones were the predominant types found, respectively, in 37.7% and 24.5% of patients. Uric acid was the main stone constituent in 18.6% of patients and struvites represented 14.7% of cases. Stones were located in the renal calyces and pelvis in 71.2% of cases. Surgical lithotomy was performed in 62.7% of patients for UTS extraction. Upper UTS are frequent condition in Senegalese with predominance of males and young adults. Calcium and uric acid stones are the main types. Preventive dietary and lifestyle measures are needed to reduce their burden.
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Affiliation(s)
- Ndongo Modou
- Nephrology and Dialysis, Regional Hospital of Kedougou, Dakar, Senegal
| | - Dahaba Mohamed
- Nephrology and Dialysis Department, Regional Hospital of Ndioum, Dakar, Senegal
| | - L Motoula Latou
- Nephrology and Dialysis Department, Military Hospital of Ouakam, Dakar, Senegal
| | - Kane Racine
- Urology Department, Hopital Principal, Dakar, Senegal
| | - Niang Lamine
- Urology Department, Idrissa Pouye General Hospital, Dakar, Senegal
| | - Doupa Dominique
- Faculty of Health Sciences, IRL-3189/ESS/UGB/CNRS/UCAD/CNRST/USTB, University Gaston Berger, Saint-Louis, Senegal
| | - Seck Sidy Mohamed
- Nephrology and Dialysis, Regional Hospital of Kedougou, Dakar, Senegal.
- Faculty of Health Sciences, IRL-3189/ESS/UGB/CNRS/UCAD/CNRST/USTB, University Gaston Berger, Saint-Louis, Senegal.
- CEA AGIR, Cheikh Anta DIOP University, Dakar, Senegal.
- Nephrology Department, Faculty of Health Sciences, University Gaston Berger, Route de Ngalléle, Sanar, BP 234, Saint-Louis, Sénégal.
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Wang H, Liu Z, Liu S, Yang R, Wang Y, Gu Y, Wu M, Dong R, Chen B. The Therapeutic Effect of Catechin on Nephrolithiasis Induced by Co-Exposure to Melamine and Cyanuric Acid in Sprague-Dawley Rats. TOXICS 2023; 11:799. [PMID: 37755809 PMCID: PMC10536173 DOI: 10.3390/toxics11090799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/14/2023] [Accepted: 09/20/2023] [Indexed: 09/28/2023]
Abstract
This study aimed to assess the therapeutic efficacy of catechin against experimentally induced kidney stones resulting from co-exposure to melamine (MEL) and cyanuric acid (CYA) in male Sprague-Dawley rats. To induce nephrolithiasis, a combination of MEL and CYA (1:1 ratio, each at a dose of 31.5 mg/kg bw/day) was administered to the rats for 28 consecutive days. After nephrolithiasis was successfully induced, the rats were randomly divided into two groups: a treatment group and a sham group. The treatment group was given a daily oral dose of 50 mg/kg of catechin for 28 days, while the sham group received no intervention. Urine and blood samples were collected throughout the treatment period, and kidney samples were taken on day 28. Our findings demonstrated that treatment with catechin significantly reduced crystal deposition and pathological damage in the rats from nephrolithiasis. Additionally, renal injury markers were significantly decreased in the treatment group compared to the sham group. These findings suggest that catechin has potential therapeutic benefits in treating nephrolithiasis induced by co-exposure to MEL and CYA.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Bo Chen
- Key Lab of Public Health Safety of the Ministry of Education, School of Public Health, Fudan University, Shanghai 200032, China; (H.W.); (Z.L.); (S.L.); (R.Y.); (Y.W.); (Y.G.); (M.W.); (R.D.)
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17
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Shee K, Chan C, Yang H, Sui W, Bowman M, Hamouche F, Charondo LB, Ho S, Chi T, Stoller ML. Voided volume may not impact stone outcomes: Review of a large institutional nephrolithiasis cohort. BJUI COMPASS 2023; 4:556-561. [PMID: 37636214 PMCID: PMC10447213 DOI: 10.1002/bco2.216] [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: 09/01/2022] [Revised: 12/06/2022] [Accepted: 12/19/2022] [Indexed: 08/29/2023] Open
Abstract
Background Urologic guidelines universally recommend increasing fluid intake for kidney stone prevention. Increased voided volume is thought to help reduce stone recurrence and severity, but supporting evidence is limited. Patients and Methods Nephrolithiasis outcomes and 24-h urine data for patients from the Registry for Stones of the Kidney and Ureter (ReSKU), a registry of nephrolithiasis patients collected between 2015 and 2020, were retrospectively analysed. Outcome was stone events, either an office visit where a patient reports symptomatic passage of stones or surgery for stone removal. Results We identified 450 stone patients with 24-h urine and kidney stone outcome data. There was no significant difference in 24-h voided volume between patients with one stone event and patients with two or more stone events. On multivariable logistic regression, after controlling for age, gender, BMI, and 24-h sodium and creatinine per kilogram, no significant associations were found between voided volume and stone events. There was a statistically significant negative correlation noted between voided volume and stone events in calcium oxalate dihydrate stone formers (Spearman R = -0.42, p = 0.04), but not others. Conclusions Twenty-four-hour voided volume was not associated with stone events in a large institutional cohort, and subset analysis reveals that some stone formers may benefit more from increased voided volume than others; identifying such patients represents a novel precision medicine opportunity.
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Affiliation(s)
- Kevin Shee
- Department of UrologyUCSFSan FranciscoCaliforniaUSA
| | - Carter Chan
- Department of UrologyUCSFSan FranciscoCaliforniaUSA
| | - Heiko Yang
- Department of UrologyUCSFSan FranciscoCaliforniaUSA
| | - Wilson Sui
- Department of UrologyUCSFSan FranciscoCaliforniaUSA
| | - Max Bowman
- Department of UrologyUCSFSan FranciscoCaliforniaUSA
| | | | | | - Sunita Ho
- Department of UrologyUCSFSan FranciscoCaliforniaUSA
| | - Thomas Chi
- Department of UrologyUCSFSan FranciscoCaliforniaUSA
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18
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Adomako EA, Li X, Sakhaee K, Moe OW, Maalouf NM. Urine pH and Citrate as Predictors of Calcium Phosphate Stone Formation. KIDNEY360 2023; 4:1123-1129. [PMID: 37307531 PMCID: PMC10476682 DOI: 10.34067/kid.0000000000000184] [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: 10/31/2022] [Accepted: 05/28/2023] [Indexed: 06/14/2023]
Abstract
Key Points The occurrence of calcium phosphate stones has increased over the past five decades, and this is most notable in female stone formers. High urine pH and hypocitraturia are the most discriminatory urine parameters between calcium phosphate and calcium oxalate stone formers. High urine pH in calcium phosphate stone formers is independent of the effect of dietary alkali and acid. Background Urinary parameters, including urine pH and citrate, are recognized as critical in the pathophysiology of calcium-based stones. The factors contributing to variation in these parameters between calcium oxalate (CaOx) and calcium phosphate (CaP) stone formers (SFs) are, however, not well-understood. In this study, using readily available laboratory data, we explore these differences to delineate the odds of forming CaP versus CaOx stones. Methods In this single-center retrospective study, we compared serum and urinary parameters between adult CaP SFs, CaOx SFs, and non–stone formers. Results Urine pH was higher and urine citrate lower in CaP SFs compared with same-sex CaOx SFs and non–stone formers. In CaP SFs, higher urine pH and lower citrate were independent of markers of dietary acid intake and gastrointestinal alkali absorption, suggesting abnormal renal citrate handling and urinary alkali excretion. In a multivariable model, urine pH and urine citrate were most discriminatory between CaP SFs and CaOx SFs (receiver-operating characteristic area under the curve of 0.73 and 0.65, respectively). An increase in urine pH by 0.35, a decrease in urine citrate by 220 mg/d, a doubling of urine calcium, and female sex all independently doubled the risk of CaP stone formation compared with CaOx stones. Conclusions High urine pH and hypocitraturia are two clinical parameters that distinguish the urine phenotype of CaP SFs from CaOx SFs. Alkalinuria is due to intrinsic differences in the kidney independent of intestinal alkali absorption and is accentuated in the female sex.
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Affiliation(s)
- Emmanuel A. Adomako
- Charles and Jane Pak Center for Mineral Metabolism and Clinical Research, UT Southwestern Medical Center, Dallas, Texas
| | - Xilong Li
- Charles and Jane Pak Center for Mineral Metabolism and Clinical Research, UT Southwestern Medical Center, Dallas, Texas
- Peter O'Donnell Jr. School of Public Health, UT Southwestern Medical Center, Dallas, Texas
| | - Khashayar Sakhaee
- Charles and Jane Pak Center for Mineral Metabolism and Clinical Research, UT Southwestern Medical Center, Dallas, Texas
- Department of Internal Medicine, UT Southwestern Medical Center, Dallas, Texas
| | - Orson W. Moe
- Charles and Jane Pak Center for Mineral Metabolism and Clinical Research, UT Southwestern Medical Center, Dallas, Texas
- Department of Internal Medicine, UT Southwestern Medical Center, Dallas, Texas
- Department of Physiology, UT Southwestern Medical Center, Dallas, Texas
| | - Naim M. Maalouf
- Charles and Jane Pak Center for Mineral Metabolism and Clinical Research, UT Southwestern Medical Center, Dallas, Texas
- Department of Internal Medicine, UT Southwestern Medical Center, Dallas, Texas
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Thongprayoon C, Vaughan LE, Barreto EF, Mehta RA, Koo K, Schulte PJ, Lieske JC, Rule AD. Outpatient Antibiotic Use is Not Associated with an Increased Risk of First-Time Symptomatic Kidney Stones. J Am Soc Nephrol 2023; 34:1399-1408. [PMID: 37184480 PMCID: PMC10400106 DOI: 10.1681/asn.0000000000000155] [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: 01/15/2023] [Accepted: 04/20/2023] [Indexed: 05/16/2023] Open
Abstract
SIGNIFICANCE STATEMENT Antibiotics modify human microbiomes and may contribute to kidney stone risk. In a population-based case-control study using 1247 chart-validated first-time symptomatic kidney stone formers and 4024 age- and sex-matched controls, the risk of kidney stones was transiently higher during the first year after antibiotic use. However, this risk was no longer evident after adjustment for comorbidities and excluding participants with prior urinary symptoms. Findings were consistent across antibiotic classes and the number of antibiotic courses received. This suggests that antibiotics are not important risk factors of kidney stones. Rather, kidney stones when they initially cause urinary symptoms are under-recognized, resulting in antibiotic use before a formal diagnosis of kidney stones ( i.e. , reverse causality). BACKGROUND Antibiotics modify gastrointestinal and urinary microbiomes, which may contribute to kidney stone formation. This study examined whether an increased risk of a first-time symptomatic kidney stone episode follows antibiotic use. METHODS A population-based case-control study surveyed 1247 chart-validated first-time symptomatic kidney stone formers with a documented obstructing or passed stone (cases) in Olmsted County, Minnesota, from 2008 to 2013 and 4024 age- and sex-matched controls. All prescriptions for outpatient oral antibiotic use within 5 years before the onset of symptomatic stone for the cases and their matched controls were identified. Conditional logistic regression estimated the odds ratio (OR) of a first-time symptomatic kidney stone across time after antibiotic use. Analyses were also performed after excluding cases and controls with prior urinary tract infection or hematuria because urinary symptoms resulting in antibiotic prescription could have been warranted because of undiagnosed kidney stones. RESULTS The risk of a symptomatic kidney stone was only increased during the 1-year period after antibiotic use (unadjusted OR, 1.31; P = 0.001), and this risk was attenuated after adjustment for comorbidities (OR, 1.16; P = 0.08). After excluding cases and controls with prior urinary symptoms, there was no increased risk of a symptomatic kidney stone during the 1-year period after antibiotic use (unadjusted OR, 1.04; P = 0.70). Findings were consistent across antibiotic classes and the number of antibiotic courses received. CONCLUSIONS The increased risk of a first-time symptomatic kidney stone with antibiotic use seems largely due to both comorbidities and prescription of antibiotics for urinary symptoms. Under-recognition of kidney stones that initially cause urinary symptoms resulting in antibiotic use may explain much of the perceived stone risk with antibiotics ( i.e. , reverse causality).
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Affiliation(s)
| | - Lisa E. Vaughan
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, Minnesota
| | | | - Ramila A. Mehta
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, Minnesota
| | - Kevin Koo
- Department of Urology, Mayo Clinic, Rochester, Minnesota
| | - Phillip J. Schulte
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, Minnesota
| | - John C. Lieske
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
| | - Andrew D. Rule
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota
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20
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Houlihan I, Kang B, De S, Krishna V. Photonic Lithotripsy: Near-Infrared Laser Activated Nanomaterials for Kidney Stone Comminution. NANO LETTERS 2023; 23:5981-5988. [PMID: 37358929 PMCID: PMC10348310 DOI: 10.1021/acs.nanolett.3c01166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/20/2023] [Indexed: 06/28/2023]
Abstract
Near-infrared activated nanomaterials have been reported for biomedical applications ranging from photothermal tumor destruction to biofilm eradication and energy-gated drug delivery. However, the focus so far has been on soft tissues, and little is known about energy delivery to hard tissues, which have thousand-fold higher mechanical strength. We present photonic lithotripsy with carbon and gold nanomaterials for fragmenting human kidney stones. The efficacy of stone comminution is dependent on the size and photonic properties of the nanomaterials. Surface restructuring and decomposition of calcium oxalate to calcium carbonate support the contribution of photothermal energy to stone failure. Photonic lithotripsy has several advantages over current laser lithotripsy, including low operating power, noncontact laser operation (distances of at least 10 mm), and ability to break all common stones. Our observations can inspire the development of rapid, minimally invasive techniques for kidney stone treatment and extrapolate to other hard tissues such as enamel and bone.
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Affiliation(s)
- Ian Houlihan
- Biomedical
Engineering, Lerner Research Institute,
Cleveland Clinic, Cleveland Ohio 44195, United States
| | - Benjamin Kang
- Biomedical
Engineering, Lerner Research Institute,
Cleveland Clinic, Cleveland Ohio 44195, United States
| | - Smita De
- Urology, Glickman
Urology and Kidney Institute, Cleveland Clinic, Cleveland Ohio 44195, United States
- Urology,
Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland Ohio 44106, United States
| | - Vijay Krishna
- Biomedical
Engineering, Lerner Research Institute,
Cleveland Clinic, Cleveland Ohio 44195, United States
- Biomedical
Engineering, Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland Ohio 44106, United States
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21
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Wang Z, Deng Q, Gu Y, Li M, Chen Y, Wang J, Zhang Y, Zhang J, Hu Q, Zhang S, Chen W, Chen Z, Li J, Wang X, Liang H. Integrated single-nucleus sequencing and spatial architecture analysis identified distinct injured-proximal tubular types in calculi rats. Cell Biosci 2023; 13:92. [PMID: 37208718 DOI: 10.1186/s13578-023-01041-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 05/01/2023] [Indexed: 05/21/2023] Open
Abstract
BACKGROUND Urolithiasis with high prevalence and recurrence rate, has impacts on kidney injury in patients, becomes a socioeconomic and healthcare problem in worldwide. However, the biology of kidney with crystal formation and proximal tubular injury remains essentially unclear. The present study aims to evaluate the cell biology and immune-communications in urolithiasis mediated kidney injury, to provide new insights in the kidney stone treatment and prevention. RESULTS We identified 3 distinct injured-proximal tubular cell types based on the differentially expression injury markers (Havcr1 and lcn2) and functional solute carriers (slc34a3, slc22a8, slc38a3 and slc7a13), and characterized 4 main immune cell types in kidney and one undefined cell population, where F13a1+/high/CD163+/high monocyte & macrophage and Sirpa/Fcgr1a/Fcgr2a+/high granulocyte were the most enriched. We performed intercellular crosstalk analysis based on the snRNA-seq data and explored the potential immunomodulation of calculi stone formation, and founded that the interaction between ligand Gas6 and its receptors (Gas6-Axl, Gas6-Mertk) was specifically observed in the injured-PT1 cells, but not injured-PT2 and -PT3 cells. The interaction of Ptn-Plxnb2 was only observed between the injured-PT3 cells and its receptor enriched cells. CONCLUSIONS Present study comprehensively characterized the gene expression profile in the calculi rat kidney at single nucleus level, identified novel marker genes for all cell types of rat kidney, and determined 3 distinct sub-population of injured-PT clusters, as well as intercellular communication between injured-PTs and immune cells. Our collection of data provides a reliable resource and reference for studies on renal cell biology and kidney disease.
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Affiliation(s)
- Zhu Wang
- Department of Urology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China
| | - Qiong Deng
- Department of Urology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China
| | - Yanli Gu
- Central Laboratory, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China
| | - Min Li
- Department of Pathology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China
| | - Yeda Chen
- Department of Urology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China
| | - Jieyan Wang
- Department of Urology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China
| | - Ying Zhang
- Department of Urology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China
| | - Jianwen Zhang
- Department of Urology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China
| | - Qiyi Hu
- Department of Urology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China
| | - Shenping Zhang
- Department of Urology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China
| | - Wei Chen
- Department of Urology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, 518109, P.R. China
| | - Zhenhua Chen
- Department of Urology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, 518109, P.R. China
| | - Jiaying Li
- Department of Urology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, 518109, P.R. China
| | - Xisheng Wang
- Department of Urology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China.
- Department of Urology, People's Hospital of Longhua, Southern Medical University, 38 Jinglong Jianshe Road, Shenzhen, Guangdong, 518109, P.R. China.
| | - Hui Liang
- Department of Urology, People's Hospital of Longhua Shenzhen, Southern Medical University, Shenzhen, Guangdong, 518109, P.R. China.
- Department of Urology, People's Hospital of Longhua, Southern Medical University, 38 Jinglong Jianshe Road, Shenzhen, Guangdong, 518109, P.R. China.
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22
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Woźniak MM, Mitek-Palusińska J. Imaging urolithiasis: complications and interventions in children. Pediatr Radiol 2023; 53:706-713. [PMID: 36576514 PMCID: PMC10027801 DOI: 10.1007/s00247-022-05558-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/26/2022] [Accepted: 11/30/2022] [Indexed: 12/29/2022]
Abstract
Urolithiasis affects people in all age groups, but over the last decades there has been an increasing incidence in children. Typical symptoms include abdominal or flank pain with haematuria; in acute cases dysuria, fever or vomiting also occur. Ultrasound is considered the modality of choice in paediatric urolithiasis because it can be used to identify most clinically relevant stones. Complementary imaging modalities such as conventional radiographs or non-contrast computed tomography should be limited to specific clinical situations. Management of kidney stones includes dietary, pharmacological and urological interventions, depending on stone size, location or type, and the child's condition. With a very high incidence of underlying metabolic abnormalities and significant recurrence rates in paediatric urolithiasis, thorough metabolic evaluation and follow-up examination studies are of utmost importance.
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Affiliation(s)
- Magdalena Maria Woźniak
- Department of Pediatric Radiology, Medical University of Lublin, Al. Racławickie 1, 20-059, Lublin, Poland.
| | - Joanna Mitek-Palusińska
- Department of Pediatric Radiology, Medical University of Lublin, Al. Racławickie 1, 20-059, Lublin, Poland
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23
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Wu W, Zhang D, Jin T, Lu T, Zhou F. Progress in the study of biomarkers for early prediction of systemic inflammatory response syndrome after percutaneous nephrolithotomy. Front Immunol 2023; 14:1142346. [PMID: 37063849 PMCID: PMC10097887 DOI: 10.3389/fimmu.2023.1142346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 03/22/2023] [Indexed: 04/01/2023] Open
Abstract
Urolithiasis is a common and frequent disease in urology. Percutaneous nephrolithotomy (PCNL) is preferred for the treatment of upper urinary tract stones and complicated renal stones >2 cm in diameter, but it has a higher rate of postoperative complications, especially infection, compared with other minimally invasive treatments for urinary stones. Complications associated with infection after percutaneous nephrolithotomy include transient fever, systemic inflammatory response syndrome (SIRS), and sepsis, which is considered one of the most common causes of perioperative death after percutaneous nephrolithotomy. In contrast, SIRS serves as a sentinel for sepsis, so early intervention of SIRS by biomarker identification can reduce the incidence of postoperative sepsis, which in turn reduces the length of stay and hospital costs for patients. In this paper, we summarize traditional inflammatory indicators, novel inflammatory indicators, composite inflammatory indicators and other biomarkers for early identification of systemic inflammatory response syndrome after percutaneous nephrolithotomy.
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Affiliation(s)
- Wangjian Wu
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Di Zhang
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), Lanzhou, China
| | - Tongtong Jin
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Tianyi Lu
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), Lanzhou, China
| | - Fenghai Zhou
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
- The First Clinical Medical College of Gansu University of Chinese Medicine (Gansu Provincial Hospital), Lanzhou, China
- Department of Urology, Gansu Provincial Hospital, Lanzhou, China
- *Correspondence: Fenghai Zhou,
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24
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Zhang Y, Tian C, Wang Y, Zhang H, Ni J, Song W, Shi H, Zhang T, Xu C, Wang K, Peng B. Association between sarcopenia and kidney stones in United States adult population between 2011 and 2018. Front Nutr 2023; 10:1123588. [PMID: 36950333 PMCID: PMC10025351 DOI: 10.3389/fnut.2023.1123588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/14/2023] [Indexed: 03/08/2023] Open
Abstract
PURPOSE To investigate the relationship between kidney stones and sarcopenia in United States adult population between 2011 and 2018. MATERIALS AND METHODS We conducted a cross-section study based on the National Health and Nutrition Examination Survey (NHANES) including 39,156 individuals. Sarcopenia was assessed by the sarcopenia index. Association between kidney stones and sarcopenia verified by multiple logistic regression analysis and dose-response curves analysis using restricted cubic spline (RCS) regression. Meanwhile, propensity score matching (PSM) was performed to exclude the effect of confounding variables. RESULTS There were 9,472 participants in the study by our accurate enrollment screening process. The odds of kidney stones decreased significantly with the increase of sarcopenia index. Logistic regression analysis showed that sarcopenia expressed significant differences in the participants which suffered kidney stone before PSM (p < 0.001). In model 4, adjusting all relevant covariates shown that adjusted odds ratio (aOR) of the 95% confidence intervals for kidney stones in all participants, age <39 years and age ≥40 years, were, respectively, 1.286 (1.006-1,643), 1.697 (1.065-2.702), and 0.965 (0.700-1.330) for sarcopenia, and p values were 0.044, 0.026, and 0.827. After performing PSM, the aOR of the 95% in modal 4 for kidney stones in all participants and age <40 year were 2.365 (1.598-3.500) and 6.793 (2.619-17.6180), respectively (p < 0.01), and especially the aOR in participants (age ≥40) was 1.771(1.138-2.757) with p value being 0.011. CONCLUSION Sarcopenia was positively related to the potential risk of kidney stones in the United States adult population.
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Affiliation(s)
- Yifan Zhang
- Department of Urology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Changxiu Tian
- Department of Urology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yidi Wang
- Department of Urology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Houliang Zhang
- Department of Urology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jinliang Ni
- Department of Urology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wei Song
- Department of Urology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Huajuan Shi
- Department of Urology, Shanghai Putuo District People’s Hospital, Tongji University, Shanghai, China
| | - Tao Zhang
- Department of Urology, Shanghai Putuo District People’s Hospital, Tongji University, Shanghai, China
| | - Changbao Xu
- Department of Urology, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Keyi Wang
- Department of Urology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Bo Peng
- Department of Urology, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
- Department of Urology, Shanghai Putuo District People’s Hospital, Tongji University, Shanghai, China
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25
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Ibis MA, Gokce MI, Gökhan O, Karagoz MA, Yitgin Y, Babayigit M, Böyük A, Verep S, Tefik T, Kiremit MC, Senocak C, Guven S, Sarica K. What Is the Ideal Treatment for 20-30 mm Kidney Stones? Comparative Outcomes of 1197 Patients. J Laparoendosc Adv Surg Tech A 2023. [PMID: 36827462 DOI: 10.1089/lap.2022.0513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023] Open
Abstract
Background: The purpose of this study is to compare the efficacy and safety of extracorporeal shockwave lithotripsy (SWL), retrograde intrarenal surgery (RIRS), mini-percutaneous nephrolithotomy (mPNL), and standard-percutaneous nephrolithotomy (stPNL) for the treatment of 20-30 mm kidney stones. Methods: The records of 1197 patients (SWL = 149, RIRS = 205, mPNL = 525, and stPNL = 318) from 8 centers were reviewed retrospectively. Four procedures were compared for stone-free rates (SFRs), auxiliary treatment, and associated complications. Results: Initial SFRs were 43.6%, 54.6%, 86.7%, and 87.7% in SWL, RIRS, mPNL, and stPNL, respectively (P < .001), whereas the final SFRs were 71.8%, 80%, 90.5%, and 89.6% (P < .001). The rate of auxiliary treatment in the groups was 38.3%, 26.8%, 5%, and 4.4%, respectively (P < .001). The initial and final SFRs in the mPNL and stPNL groups were higher than those in SWL and RIRS groups (P < .001). The rate for auxiliary treatment was lower in the mPNL and stPNL groups (P < .001). The operation time was longer in the RIRS group (P = .005). According to the Clavien-Dindo classification, the complication rate in the SWL group was lower than that in the surgical approaches (P < .001); however, no statistical difference was detected between RIRS, mPNL, and stPNL groups. mPNL and stPNL had a higher success rate than RIRS or SWL for treating 20-30 mm kidney stones. Conclusion: In the treatment of 2-3 cm renal stones, RIRS and PNL were more effective than SWL to obtain a better SFR and less auxiliary treatment rate. Compared with RIRS, mPNL and stPNL provided a higher SFR with similar complication rates.
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Affiliation(s)
- Muhammed Arif Ibis
- Department of Urology, Ataturk Sanatoryum Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Mehmet Ilker Gokce
- Department of Urology, Ankara University School of Medicine, Ankara, Turkey
| | - Okan Gökhan
- Department of Radiology, Private Biosan Polyclinic, Istanbul, Turkey
| | - Mehmet Ali Karagoz
- Department of Urology, Prof. Dr. Cemil Tascıoglu City Hospital Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Yasin Yitgin
- Department of Urology, Istinye University School of Medicine, Istanbul, Turkey
| | - Muammer Babayigit
- Department of Urology, Ankara University School of Medicine, Ankara, Turkey
| | - Abubekir Böyük
- Department of Urology, Private Duygu Hospital, Istanbul, Turkey
| | - Samed Verep
- Department of Urology, Van Training and Research Hospital, University of Health Sciences, Van, Turkey
| | - Tzevat Tefik
- Department of Urology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Murat Can Kiremit
- Department of Urology, School of Medicine, Koc University, Istanbul, Turkey
| | - Cagrı Senocak
- Department of Urology, Ataturk Sanatoryum Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Selcuk Guven
- Department of Urology, NEÜ Meram Medicine Faculty, Konya, Turkey
| | - Kemal Sarica
- Department of Urology, Biruni University School of Medicine, Istanbul, Turkey
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26
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A nomogram for predicting postoperative urosepsis following retrograde intrarenal surgery in upper urinary calculi patients with negative preoperative urine culture. Sci Rep 2023; 13:2123. [PMID: 36747018 PMCID: PMC9902470 DOI: 10.1038/s41598-023-29352-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
Retrograde intrarenal surgery (RIRS) is one of the main surgical methods for upper urinary calculi, but severe complications of infection may occur after surgery. This study aimed to establish and validate a preoperative nomogram for predicting postoperative urosepsis following retrograde intrarenal surgery to treat upper urinary calculus in patients with a negative preoperative urine culture. We retrospectively recruited 1767 patients with negative preoperative urine cultures who underwent retrograde intrarenal surgery to treat upper urinary calculi from January 2017 to April 2022. The independent risk factors for urosepsis include a solitary kidney, positive urine nitrite, operative time ≥ 75 min, history of recurrent urinary tract infections, and history of diabetes were identified by univariate analysis and multivariate binary logistic regression analysis, which construct a nomogram. The receiver operating characteristic curve of the nomogram for predicting urosepsis was 0.887 in the training cohort and 0.864 in the validation cohort, respectively. The calibration curve and decision curve analysis demonstrated great consistency and clinical utility of the nomogram. Therefore, the nomogram combining preoperative independent risk factors can predict the probability of a postoperative urosepsis following retrograde intrarenal surgery in patients with a negative preoperative urine culture, which could help urologists take preventive measures in advance after surgery to avoid more serious complications of infection.
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27
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Stamatelou K, Goldfarb DS. Epidemiology of Kidney Stones. Healthcare (Basel) 2023; 11:healthcare11030424. [PMID: 36766999 PMCID: PMC9914194 DOI: 10.3390/healthcare11030424] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/25/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
In the past two decades, major breakthroughs that improve our understanding of the pathophysiology and therapy of kidney stones (KS) have been lacking. The disease continues to be challenging for patients, physicians, and healthcare systems alike. In this context, epidemiological studies are striving to elucidate the worldwide changes in the patterns and the burden of the disease and identify modifiable risk factors that contribute to the development of kidney stones. Our expanding knowledge of the epidemiology of kidney stones is of paramount importance and largely upgrades the modern management of the disease. In this paper, we review the variables affecting prevalence and incidence, including age, gender, race, ethnicity, occupation, climate, geography, systemic diseases, diabetes, vascular disease, chronic kidney disease, and dietary risk factors relevant to kidney stones.
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Affiliation(s)
- Kyriaki Stamatelou
- “MESOGEIOS” Nephrology Center, Haidari and Nephros.eu Private Clinic, 11527 Athens, Greece
| | - David S. Goldfarb
- Nephrology Division, NYU Langone Health and NYU Grossman School of Medicine, NY Nephrology Section, NY Harbor VA Healthcare System, New York, NY 10016, USA
- Correspondence: ; Tel.: +1-212-686-7500 (ext. 3877); Fax: +1-212-951-6842
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28
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Cheikh Hassan HI, Murali K, Lambert K, Lonergan M, McAlister B, Suesse T, Mullan J. Acute kidney injury increases risk of kidney stones-a retrospective propensity score matched cohort study. Nephrol Dial Transplant 2023; 38:138-147. [PMID: 35108386 DOI: 10.1093/ndt/gfac023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Acute kidney injury (AKI) is common. An episode of AKI may modify the risk of developing kidney stones by potential long-term effects on urine composition. We aimed to investigate the association between AKI and the risk of kidney stone presentations. METHODS The retrospective cohort study used patient data (1 January 2008-31 December 2017), from an Australian Local Health District, which included AKI diagnosis, demographics, comorbidities and kidney stone admissions. Time-varying Cox proportional hazards and propensity-matched analysis were used to determine the impact of AKI on the risk of kidney stones. To address possible population inhomogeneity in comparisons between no AKI and hospitalized AKI, sub-group analysis was done comparing inpatient and outpatient AKI versus no AKI, to assess consistency of association with future stones. Sensitivity analysis was undertaken to capture the impact of a known AKI status and AKI severity. RESULTS Out of 137 635 patients, 23 001 (17%) had an AKI diagnosis and 2295 (2%) had kidney stone presentations. In the unadjusted analysis, AKI was associated with kidney stones, with AKI used as a time-varying exposure, [hazard ratio (HR) 1.32, 95% confidence interval (CI) 1.16-1.50)]. Both inpatient-AKI (HR 1.19, 95% CI 1.01-1.39) and outpatient-AKI (HR 1.59, 95% CI 1.30-1.94) were significantly associated with future stones compared to no AKI subjects. This association persisted in the adjusted analysis (HR 1.45, 95% CI 1.26-1.66), propensity-matched dataset (HR 1.67, 95% CI 1.40-1.99) and sensitivity analysis. There was a dose-response relationship with higher stages of AKI being associated with a greater risk of kidney stones. CONCLUSIONS In a large cohort of patients, AKI is associated with a greater risk of kidney stones, which increases with higher stages of AKI. This association should be examined in other cohorts and populations for verification.
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Affiliation(s)
- Hicham I Cheikh Hassan
- Department of Nephrology, Illawarra and Shoalhaven Local Health District, Wollongong, NSW, Australia.,Graduate School of Medicine, University of Wollongong, Wollongong, NSW, Australia
| | - Karumathil Murali
- Department of Nephrology, Illawarra and Shoalhaven Local Health District, Wollongong, NSW, Australia.,Graduate School of Medicine, University of Wollongong, Wollongong, NSW, Australia
| | - Kelly Lambert
- School of Medical, Indigenous and Health Sciences, University of Wollongong, Wollongong, NSW, Australia
| | - Maureen Lonergan
- Department of Nephrology, Illawarra and Shoalhaven Local Health District, Wollongong, NSW, Australia.,Graduate School of Medicine, University of Wollongong, Wollongong, NSW, Australia
| | - Brendan McAlister
- Centre for Health Research Illawarra Shoalhaven Population (CHRISP), University of Wollongong, Wollongong, NSW, Australia
| | - Thomas Suesse
- National Institute of Applied Statistics Research Australia, School of Mathematics and Applied Statistics, University of Wollongong, NSW, Australia
| | - Judy Mullan
- Graduate School of Medicine, University of Wollongong, Wollongong, NSW, Australia.,Centre for Health Research Illawarra Shoalhaven Population (CHRISP), University of Wollongong, Wollongong, NSW, Australia
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29
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Di X, Liu S, Xiang L, Jin X. Association between the systemic immune-inflammation index and kidney stone: A cross-sectional study of NHANES 2007-2018. Front Immunol 2023; 14:1116224. [PMID: 36895572 PMCID: PMC9989007 DOI: 10.3389/fimmu.2023.1116224] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 02/08/2023] [Indexed: 02/23/2023] Open
Abstract
Background The incidence rate of kidney stones increased over the past decades globally, which brought medical expenditure and social burden. The systemic immune-inflammatory index (SII) was initially identified as a prognosis of multiple diseases. We performed an updated analysis on the impact of SII on kidney stones. Methods This compensatory cross-sectional study enrolled participants from the National Health and Nutrition Examination Survey 2007-2018. Univariate and multivariate logistic regression analyses were performed to investigate the association between SII and kidney stones. Results Of the 22220 participants, the mean (SD) age was 49.45 ± 17.36 years old, with a 9.87% incidence rate of kidney stones. A fully adjusted model showed that SII higher than 330 x 109/L was parallel associated with kidney stones (Odds ratio [OR] = 1.282, 95% Confidence interval [CI] = 1.023 to 1.608, P = 0.034) in adults aged 20-50. However, no difference was found in the elderly subgroup. Multiple imputation analyses confirmed the robustness of our results. Conclusions Our findings suggested SII was positively associated with a high risk of kidney stones in US adults aged less than 50. The outcome compensated for previous studies that still needed more large-scale prospective cohorts for validation.
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Affiliation(s)
- Xingpeng Di
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Shaozhuang Liu
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Liyuan Xiang
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, China.,Department of Clinical Research Management, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xi Jin
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, China
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Bin Mohamed Ebrahim ME, Singla A, Yao J, Laurence JM, Wong G, Lau H, Lee T, Yuen L, Lim WH, Pleass H. Outcomes of live renal donors with a history of nephrolithiasis; A systematic review. Transplant Rev (Orlando) 2023; 37:100746. [PMID: 36587468 DOI: 10.1016/j.trre.2022.100746] [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: 09/18/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
The clinical outcomes of kidney donors with a prior history of nephrolithiasis are poorly defined. We conducted a systematic review assessing the post-donation clinical outcomes of kidney donors with a history of nephrolithiasis. Electronic databases (Ovid and Embase) were searched between 1960 and 2021 using key terms and Medical Subject Headings (MeSH) - nephrolithiasis, renal stones, renal transplantation and renal graft. Articles included conference proceedings and journal articles and were not excluded based on patient numbers. Primary outcome was donor stone-related event. Secondary outcomes were renal function upon follow-up or post-operative nephrectomy complications. In summary, 340 articles were identified through database search. We identified 14 studies (16 cohorts) comprising 432 live donors followed up for a median of 26 months post live kidney donation. Six donors donated the stone-free kidney whilst 23 live donors had bilateral stones. Mean stone size was 4.2 ± 1.4 mm (1-16) with average follow up duration of 21.1 months (1-149). Twelve studies provided primary outcome (n = 138 patients) and eight (n = 348) for secondary outcomes. One donor had a stone-related event upon follow up. A total of 195 patients had eGFR <60 upon follow up. However, they were not significantly different when compared to renal function of live donors that didn't have pre-donation nephrolithiasis. Many of the studies couldn't provide long term follow up, coupled with limited data regarding the nature of the pre-donation stone disease. In conclusion, this systematic review shows that we have very limited information upon which to base recommendation regarding pre-donation risk of post-donation complications. Longer term follow up is required and lifelong follow up with live donor registries will aid further understanding.
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Affiliation(s)
- Mohamed Eftal Bin Mohamed Ebrahim
- Department of Surgery, Royal North Shore Hospital, Sydney, NSW 2065, Australia; Specialty of Surgery, FMH, University of Sydney, Sydney, NSW 2000, Australia; Department of Surgery, Westmead Hospital, Sydney, NSW 2145, Australia.
| | - Animesh Singla
- Specialty of Surgery, FMH, University of Sydney, Sydney, NSW 2000, Australia; Department of Vascular Surgery, Royal North Shore Hospital, NSW 2065, Australia
| | - Jinna Yao
- Specialty of Surgery, FMH, University of Sydney, Sydney, NSW 2000, Australia; National Pancreas Transplant Unit, Westmead Hospital, Sydney, NSW 2145, Australia; Department of Urology, Westmead Hospital, Sydney, NSW 2145, Australia
| | | | - Germaine Wong
- Renal Transplant Unit, Westmead Hospital, Sydney, NSW 2145, Australia; University of Sydney, Sydney, NSW 2000, Australia
| | - Howard Lau
- Department of Surgery, Westmead Hospital, Sydney, NSW 2145, Australia; Western Sydney University, Sydney, NSW 2000, Australia
| | - Taina Lee
- Specialty of Surgery, FMH, University of Sydney, Sydney, NSW 2000, Australia; Department of Surgery, Westmead Hospital, Sydney, NSW 2145, Australia
| | - Lawrence Yuen
- Specialty of Surgery, FMH, University of Sydney, Sydney, NSW 2000, Australia; Department of Surgery, Westmead Hospital, Sydney, NSW 2145, Australia
| | - Wai H Lim
- Department of Renal Medicine, Sir Charles Gairdner Hospital, Perth, WA 6009, Australia; School of Medicine, University of Western Australia, Perth, WA 6009, Australia
| | - Henry Pleass
- Specialty of Surgery, FMH, University of Sydney, Sydney, NSW 2000, Australia; Department of Surgery, Westmead Hospital, Sydney, NSW 2145, Australia
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Zhu P, Meng Q, Miao Y, Zhou L, Wang C, Yang H. Paravertebral block vs. epidural block for percutaneous nephrolithotomy: A prospective, randomized study. Front Surg 2023; 10:1112642. [PMID: 37035555 PMCID: PMC10076621 DOI: 10.3389/fsurg.2023.1112642] [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: 11/30/2022] [Accepted: 03/08/2023] [Indexed: 04/11/2023] Open
Abstract
Background Percutaneous nephrolithotripsy (PCNL) is the main method for urinary calculi. An anesthesia method with little effect on the blood circulation and which does not affect the postoperative activity of a patient is lacking. Objective To compare the effects of paravertebral nerve block (PNB) and epidural block (EPB) on quadriceps femoris muscle (QFM) strength in patients after PCNL. Methods 163 patients were separated into two groups: EPB (81) and PNB (82). Primary outcome parameters were QFM strength and range of motion (RoM) of the knee 1 h, 2 h, 3 h, and 24 h after anesthesia induction (AI). Secondary outcome parameters were: time from AI beginning to first ambulation; time of sensory-plane recovery; amount of additional analgesics given during and after surgery; prevalence of nausea and vomiting; duration of hospital stay (DoHS); mean arterial pressure (MAP), heart rate (HR), and oxygen saturation (SpO2) before, 0.5 h, and 1 h after AI; visual analog scale (VAS) score 0.5 h, 1 h, 2 h, 3 h and 24 h after AI. Results There was no significant difference in QFM strength or knee RoM before or 24 h after AI between the two groups (P > 0.05). The time from AI to first ambulation was shorter (P < 0.05) and the sensory plane took longer to recover (P < 0.05) in the PNB group than in the EPB group. The amount of additional analgesics during surgery was more in the PNB group than in the EPB group (P < 0.05), but there was no significant difference after surgery (P > 0.05). VAS scores were higher in the PNB group than in the EPB group 0.5 after AI (P < 0.05). MAP 1 h after AI was higher in the PNB group than in the EPB group (P < 0.05). There was no significant difference in the prevalence of postoperative nausea and vomiting, DoHS, HR, or SpO2 at 0.5 h and 1 h after AI between the two groups (P > 0.05). Conclusions For patients undergoing PCNL, PNB can meet the need for surgical analgesia while having little effect on QFM strength. Trial registration http://www.chictr.org.cn/, identifier ChiCTR2200060606.
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Czajkowski S, Lajkosz K, Koziarz A, Carr D, Finelli A, Lee JY. The rising burden of acute urological disease at an urban, academic hospital network. Can Urol Assoc J 2022; 16:401-407. [PMID: 36656705 PMCID: PMC9851211 DOI: 10.5489/cuaj.7909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
INTRODUCTION Urological presentations to the emergency department (ED) can represent a significant burden of disease. We aimed to evaluate trends in the incidence, management, and followup of urological presentations to the ED at an urban, academic, tertiarycare hospital network over a 10-year period. METHODS A retrospective cohort study was conducted to include all patients presenting with renal colic (RC), gross hematuria (GH), or acute urinary retention (AUR) to EDs in the University Health Network in 2008-2009 and 2018-2019. Patient demographics and outcomes were compared between these two periods and between urological presentations. Multilevel regression analyses identified predictors of in-patient admission, return to the ED, and clinic wait time. RESULTS A total of 2751 patients and 3510 ED visits were included (991 visits from 2008-09 and 2519 visits from 2018-19). Over time, increases were observed in all three presentations, largely driven by an almost five-fold increase in RC presentations. Multilevel regression analyses showed that older patients were more likely to be admitted from the ED, while age, 2018-19 era, and residence within the "downtown core" independently predicted return to the ED within 30 days of initial visit. Time to be seen in urology clinic increased over time for the entire cohort, and 14.4% of clinic visits were preceded by multiple ED visits. CONCLUSIONS The incidence of acute urological presentations increased significantly over a 10-year period at a tertiary-care hospital network. These findings demonstrate an increasing burden of acute urological disease that is outpacing population growth and straining available resources.
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Affiliation(s)
- Simon Czajkowski
- Division of Urology, Department of Surgery, University Health Network, Toronto, ON, Canada
| | - Katherine Lajkosz
- Division of Urology, Department of Surgery, University Health Network, Toronto, ON, Canada
| | - Alex Koziarz
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - David Carr
- Department of Emergency Medicine, University of Toronto, Toronto, ON, Canada
| | - Antonio Finelli
- Division of Urology, Department of Surgery, University Health Network, Toronto, ON, Canada,Division of Urology, Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Jason Y. Lee
- Division of Urology, Department of Surgery, University Health Network, Toronto, ON, Canada,Division of Urology, Department of Surgery, University of Toronto, Toronto, ON, Canada
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Xiao Y, Yin S, Bai Y, Wang J, Cui J, Wang J. Association between urine cobalt and prevalence of kidney stones in Americans aged ≥ 20 years old. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:91061-91070. [PMID: 35882730 DOI: 10.1007/s11356-022-22200-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 07/20/2022] [Indexed: 02/08/2023]
Abstract
To determine whether urine cobalt (Co) is associated with the prevalence of kidney stones, we conducted a cross-sectional study of participants (≥ 20 years) involved in the National Health and Nutrition Examination Survey (NHANES) between 2007 and 2018. The urine Co level was divided into four groups: 0.02-0.22, 0.22-0.36, 0.36-0.58, and 0.58-37.40 μg/L. The independent correlation between urine Co and prevalence of kidney stones was determined by logistic regression analyses. A total of 10,744 participants aged over 20 years that were not pregnant were eligible. Among them, 1041 participants reported ever having developed kidney stones. Patients with kidney stones developed significantly higher urine Co than the non-stone participants. The kidney stone patients were more likely to have been smoking ≥ 100 cigarettes in life; have hypertension, diabetes, and cancer; and engage in heavy activity. Multivariate logistic regression indicated a significantly positive relationship between the urine Co level and occurrence of kidney stones (OR 1.059, 95% CI 1.018-1.102, P = 0.00430). Moreover, the outcome remained unchanged after some sophisticated factors were adjusted (OR 1.059, 95% CI 1.001-1.120, P = 0.04635), and kidney stones were significantly related to a higher level of Co (OR (95% CI) = 0.22-0.36 μg/L: 1.111 (0.869, 1.421); 0.36-0.58 μg/L: 1.392 (1.095, 1.770); 0.58-37.40 μg/L: 1.712 (1.351, 2.170), and P for trend < 0.00001). So, urine Co concentration is positively associated with the prevalence of kidney stones. However, more high-quality prospective studies are needed to elucidate the causal correlation between Co level and kidney stones.
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Affiliation(s)
- Yunfei Xiao
- Department of Urology, Institute of Urology, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, China
| | - Shan Yin
- Department of Urology, Institute of Urology, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, China.,Department of Urology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Yunjin Bai
- Department of Urology, Institute of Urology, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, China
| | - Jiahao Wang
- Department of Urology, Institute of Urology, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, China
| | - Jianwei Cui
- Department of Urology, Institute of Urology, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, China
| | - Jia Wang
- Department of Urology, Institute of Urology, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, China.
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Johnston SS, Chen BPH, Rai P, Grange P, Dwarakanathan HR, Amos T, Johnson BH, Ghosh SK, Buchholz N. Incremental Healthcare Cost Implications of Retreatment Following Ureteroscopy or Percutaneous Nephrolithotomy for Upper Urinary Tract Stones: A Population-Based Study of Commercially-Insured US Adults. MEDICAL DEVICES-EVIDENCE AND RESEARCH 2022; 15:371-384. [DOI: 10.2147/mder.s384823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/28/2022] [Indexed: 11/10/2022] Open
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Maresca G, Mc Clinton S, Swami S, El‐Mokadem I, Donaldson JF. Do men with bladder stones benefit from treatment of benign prostatic obstruction? BJU Int 2022; 130:619-627. [PMID: 35482471 PMCID: PMC9790555 DOI: 10.1111/bju.15761] [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] [Indexed: 12/30/2022]
Abstract
OBJECTIVE To identify whether men aged ≥40 years with bladder stones (BS) benefit from treatment of benign prostatic obstruction (BPO). PATIENTS AND METHODS A regional, retrospective study of patients undergoing BS surgery between January 2011 and December 2018 was performed using a prospectively collected database. The primary outcome was BS recurrence after successful removal. Kruskal-Wallis and chi-squared statistical tests were used. RESULTS A total of 174 patients underwent BS removal and 71 (40.8%) were excluded due to BS formation secondary to causes other than BPO. Hence, 103 men aged ≥40 years had BS successfully removed, of which 40% had a history of upper tract urolithiasis. These men were divided into three groups: those undergoing contemporaneous medical, surgical, or no BPO treatment. Age, diabetes, previous urolithiasis and previous BPO surgery were well matched between the BPO treatment groups. In all, 18 of these men (17%) had BS recurrence after 46 months follow-up. Recurrences were significantly lower following BPO surgery; one of 34 (3%) men versus five of 28 (18%) with no BPO treatment (P = 0.048) and 12 of 41 (29%) with medical BPO treatment (P = 0.003). Recurrences after medical and no BPO treatment were similar (P = 0.280). In all, 34 men (33%) had BPO complications that were similar between groups (P = 0.378). CONCLUSION This is the largest reported cohort of men, with the longest follow-up after BS removal. Most men aged ≥40 years with BS benefit from BPO surgery. However, the study findings also support a multifactorial aetiology for BS, which questions the dogma that BS are an 'absolute indication' for BPO surgery, as is stated in the Non-neurogenic Male Lower Urinary Tract Symptoms European Association of Urology Guideline. Assessment and management of all causative factors is likely to enable selection of which men will benefit from BPO surgery and to reduce BS recurrence rates.
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Affiliation(s)
- Gianluca Maresca
- Department of UrologyAberdeen Royal Infirmary – NHS GrampianAberdeenUK,Academic Urology Unit (AUU)University of AberdeenAberdeenUK
| | - Samuel Mc Clinton
- Department of UrologyAberdeen Royal Infirmary – NHS GrampianAberdeenUK,Academic Urology Unit (AUU)University of AberdeenAberdeenUK
| | - Satchi Swami
- Department of UrologyAberdeen Royal Infirmary – NHS GrampianAberdeenUK,Academic Urology Unit (AUU)University of AberdeenAberdeenUK
| | - Ismail El‐Mokadem
- Department of UrologyAberdeen Royal Infirmary – NHS GrampianAberdeenUK,Academic Urology Unit (AUU)University of AberdeenAberdeenUK
| | - James F. Donaldson
- Department of UrologyAberdeen Royal Infirmary – NHS GrampianAberdeenUK,Academic Urology Unit (AUU)University of AberdeenAberdeenUK
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Siener R, Strohmaier WL, Neisius A. [Urolithiasis-Therapy and recurrence prevention taking into account gender-specific aspects]. UROLOGIE (HEIDELBERG, GERMANY) 2022; 61:1076-1082. [PMID: 36018380 DOI: 10.1007/s00120-022-01912-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/21/2022] [Indexed: 06/15/2023]
Abstract
The prevalence of urolithiasis is steadily increasing worldwide in both genders. Diet and lifestyle, such as the rising prevalence of obesity and other metabolic syndrome traits, are considered key factors in this trend. Gender differences as a result of interventional therapy for urolithiasis have not been observed. However, iatrogenic injury to the male urethra is considered the most common reason for urethral strictures after endourologic (stone) therapy. In contrast, sepsis, as the major cause of urinary stone-related mortality, is more frequently reported in women after ureterorenoscopy and percutaneous nephrolithotomy. There are also differences in the frequency of various types of stones between men and women. Calcium oxalate and uric acid stones are more commonly observed in men, while carbonate apatite and struvite are diagnosed more often in women. Urinary stone analysis is therefore paramount for successful recurrence prevention. Diagnosis is based on the assignment of patients to the low-risk or high-risk group. The medical nutrition and pharmacological measures for the therapy of the respective type of stone are based on the risk factors in 24 h urine samples. A personalized approach that accounts for gender differences could further improve treatment, and recurrence prevention decisions for urinary stones.
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Affiliation(s)
- Roswitha Siener
- Universitäres Steinzentrum, Klinik und Poliklinik für Urologie, Universitätsklinikum Bonn, Venusberg-Campus 1, 53127, Bonn, Deutschland.
| | - Walter L Strohmaier
- Medical School Regiomed, Regiomed-Klinikum Coburg, Coburg, Deutschland
- School of Medicine, University of Split, Academic Hospital of the University of Split, Split, Kroatien
| | - Andreas Neisius
- Abteilung für Urologie und Kinderurologie, Krankenhaus der Barmherzigen Brüder Trier, Medizincampus der Universitätsmedizin Mainz, Trier, Deutschland
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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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Lin Z, Jayachandran M, Haskic Z, Kumar S, Lieske JC. Differences of Uric Acid Transporters Carrying Extracellular Vesicles in the Urine from Uric Acid and Calcium Stone Formers and Non-Stone Formers. Int J Mol Sci 2022; 23:ijms231710010. [PMID: 36077407 PMCID: PMC9456222 DOI: 10.3390/ijms231710010] [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: 07/14/2022] [Revised: 08/15/2022] [Accepted: 08/19/2022] [Indexed: 11/30/2022] Open
Abstract
Background: Low urine pH and volume are established risk factors for uric acid (UA) stone disease (UASD). Renal tubular epithelial cells exposed to an acidic pH and/or UA crystals can shed extracellular vesicles (EVs) into the tubular fluid, and these EVs may be a pathogenic biomarker of UASD. Methods: Urinary EVs bearing UA transporters (SLC2A9, SLC17A3, SLC22A12, SLC5A8, ABCG2, and ZNF365) were quantified in urine from UA stone formers (UASFs), calcium stone formers (CSFs), and age-/sex-matched non-stone formers (NSFs) using a standardized and published method of digital flow cytometry. Results: Urinary pH was lower (p < 0.05) and serum and urinary UA were greater (p < 0.05) in UASFs compared with NSFs. Urinary EVs carrying SLC17A3 and SLC5A8 were lower (p < 0.05) in UASFs compared with NSFs. Urinary EVs bearing SLC2A9, SLC22A12, SLC5A8, ABCG2, and ZNF365 were lower (p < 0.05) in CSFs than UASFs, while excretion of SLC17A3-bearing EVs did not differ between groups. Conclusion: EVs bearing specific UA transporters might contribute to the pathogenesis of UASD and represent non-invasive pathogenic biomarkers for calcium and UA stone risk.
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Affiliation(s)
- Zhijian Lin
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
- Division of Nephrology and Hypertension, Mayo Clinic College of Medicine, 200 1st Street SW, Rochester, MN 55905, USA
| | - Muthuvel Jayachandran
- Division of Nephrology and Hypertension, Mayo Clinic College of Medicine, 200 1st Street SW, Rochester, MN 55905, USA
- Division of Hematology Research, Mayo Clinic College of Medicine, 200 1st Street SW, Rochester, MN 55905, USA
- Department of Physiology & Biomedical Engineering, Mayo Clinic College of Medicine, 200 1st Street SW, Rochester, MN 55905, USA
| | - Zejfa Haskic
- Division of Nephrology and Hypertension, Mayo Clinic College of Medicine, 200 1st Street SW, Rochester, MN 55905, USA
| | - Sanjay Kumar
- Division of Nephrology and Hypertension, Mayo Clinic College of Medicine, 200 1st Street SW, Rochester, MN 55905, USA
- Department of Life Science, School of Basic Sciences and Research, Sharda University, Greater Noida 201310, Uttar Pradesh, India
| | - John C. Lieske
- Division of Nephrology and Hypertension, Mayo Clinic College of Medicine, 200 1st Street SW, Rochester, MN 55905, USA
- Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine and Science, 200 First Street SW, Rochester, MN 55905, USA
- Correspondence: ; Tel.: +(507)-266-7960; Fax: +(507)-266-9315
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Pozdzik A, Hamade A, Racapé J, Roumeguère T, Wolff F, Cotton F. The epidemiology of kidney stones in Belgium based on Daudon’s morpho-constitutional classification: a retrospective, single-center study. CR CHIM 2022. [DOI: 10.5802/crchim.185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Carboxymethylation of Desmodium styracifolium Polysaccharide and Its Repair Effect on Damaged HK-2 Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2082263. [PMID: 35993017 PMCID: PMC9391130 DOI: 10.1155/2022/2082263] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 06/29/2022] [Accepted: 07/23/2022] [Indexed: 11/17/2022]
Abstract
Objective Desmodium styracifolium is the best traditional medicine for treating kidney calculi in China. This study is aimed at increasing the carboxyl (-COOH) content of D. styracifolium polysaccharide (DSP0) and further increasing its antistone activity. Methods DSP0 was carboxymethylated with chloroacetic acid at varying degrees. Then, oxalate-damaged HK-2 cells were repaired with modified polysaccharide, and the changes in biochemical indices before and after repair were detected. Results Three modified polysaccharides with 7.45% (CDSP1), 12.2% (CDSP2), and 17.7% (CDSP3) -COOH are obtained. Compared with DSP0 (-COOH content = 1.17%), CDSPs have stronger antioxidant activity in vitro and can improve the vitality of damaged HK-2 cells. CDSPs repair the cell morphology and cytoskeleton, increase the cell healing ability, reduce reactive oxygen species and nitric oxide levels, increase mitochondrial membrane potential, limit autophagy level to a low level, reduce the eversion of phosphatidylserine in the cell membrane, weaken the inhibition of oxalate on DNA synthesis, restore cell cycle to normal state, promote cell proliferation, and reduce apoptosis/necrosis. Conclusion The carboxymethylation modification of DSP0 can improve its antioxidant activity and enhance its ability to repair damaged HK-2 cells. Among them, CDSP2 with medium -COOH content has the highest activity of repairing cells, whereas CDSP3 with the highest -COOH content has the highest antioxidant activity. This difference may be related to the active environment of polysaccharide and conformation of the polysaccharide and cell signal pathway. This result suggests that Desmodium styracifolium polysaccharide with increased -COOH content may have improved potential treatment and prevention of kidney calculi.
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Chewcharat A, Thongprayoon C, Vaughan LE, Mehta RA, Schulte PJ, O'Connor HM, Lieske JC, Taylor EN, Rule AD. Dietary Risk Factors for Incident and Recurrent Symptomatic Kidney Stones. Mayo Clin Proc 2022; 97:1437-1448. [PMID: 35933132 DOI: 10.1016/j.mayocp.2022.04.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 03/01/2022] [Accepted: 04/26/2022] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To compare dietary factors between incident symptomatic stone formers and controls, and among the incident stone formers, to determine whether dietary factors were predictive of symptomatic recurrence. PATIENTS AND METHODS We prospectively recruited 411 local incident symptomatic kidney stone formers (medical record validated) and 384 controls who were seen at Mayo Clinic in Minnesota or Florida between January 1, 2009, and August 31, 2018. Dietary factors were based on a Viocare, Inc, food frequency questionnaire administered during a baseline in-person study visit. Logistic regression compared dietary risk factors between incident symptomatic stone formers and controls. Incident stone formers were followed up for validated symptomatic recurrence in the medical record. Cox proportional hazards models estimated risk of symptomatic recurrence with dietary factors. Analyses adjusted for fluid intake, energy intake, and nondietary risk factors. RESULTS In fully adjusted analyses, lower dietary calcium, potassium, caffeine, phytate, and fluid intake were all associated with a higher odds of an incident symptomatic kidney stone. Among incident stone formers, 73 experienced symptomatic recurrence during a median 4.1 years of follow-up. Adjusting for body mass index, fluid intake, and energy intake, lower dietary calcium and lower potassium intake were predictive of symptomatic kidney stone recurrence. With further adjustment for nondietary risk factors, lower dietary calcium intake remained a predictor of recurrence, but lower potassium intake only remained a predictor of recurrence among those not taking thiazide diuretics or calcium supplements. CONCLUSION Enriching diets in stone formers with foods high in calcium and potassium may help prevent recurrent symptomatic kidney stones.
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Affiliation(s)
- Api Chewcharat
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN
| | | | - Lisa E Vaughan
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, MN
| | - Ramila A Mehta
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, MN
| | - Phillip J Schulte
- Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, MN
| | - Helen M O'Connor
- Center for Clinical and Translational Science, Mayo Clinic, Rochester, MN
| | - John C Lieske
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN
| | - Eric N Taylor
- Division of Nephrology, VA Maine Healthcare System, Augusta, ME
| | - Andrew D Rule
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN.
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Yoodee S, Peerapen P, Plumworasawat S, Thongboonkerd V. Roles of heat-shock protein 90 and its four domains (N, LR, M and C) in calcium oxalate stone-forming processes. Cell Mol Life Sci 2022; 79:454. [PMID: 35900595 PMCID: PMC9330963 DOI: 10.1007/s00018-022-04483-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 07/04/2022] [Accepted: 07/11/2022] [Indexed: 11/17/2022]
Abstract
Human heat-shock protein 90 (HSP90) has four functional domains, including NH2-terminal (N), charged linker region (LR), middle (M) and COOH-terminal (C) domains. In kidney stone disease (or nephrolithiasis/urolithiasis), HSP90 serves as a receptor for calcium oxalate monohydrate (COM), which is the most common crystal to form kidney stones. Nevertheless, roles of HSP90 and its four domains in kidney stone formation remained unclear and under-investigated. We thus examined and compared their effects on COM crystals during physical (crystallization, growth and aggregation) and biological (crystal–cell adhesion and crystal invasion through extracellular matrix (ECM)) pathogenic processes of kidney stone formation. The analyses revealed that full-length (FL) HSP90 obviously increased COM crystal size and abundance during crystallization and markedly promoted crystal growth, aggregation, adhesion onto renal cells and ECM invasion. Comparing among four individual domains, N and C domains exhibited the strongest promoting effects, whereas LR domain had the weakest promoting effects on COM crystals. In summary, our findings indicate that FL-HSP90 and its four domains (N, LR, M and C) promote COM crystallization, crystal growth, aggregation, adhesion onto renal cells and invasion through the ECM, all of which are the important physical and biological pathogenic processes of kidney stone formation.
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Affiliation(s)
- Sunisa Yoodee
- Medical Proteomics Unit, Office for Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, 6th Floor-SiMR Building, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Paleerath Peerapen
- Medical Proteomics Unit, Office for Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, 6th Floor-SiMR Building, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Sirikanya Plumworasawat
- Medical Proteomics Unit, Office for Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, 6th Floor-SiMR Building, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Visith Thongboonkerd
- Medical Proteomics Unit, Office for Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, 6th Floor-SiMR Building, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand.
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Denic A, Rule AD, Glassock RJ. Healthy and unhealthy aging on kidney structure and function: human studies. Curr Opin Nephrol Hypertens 2022; 31:228-234. [PMID: 35067600 PMCID: PMC9035051 DOI: 10.1097/mnh.0000000000000780] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW This review is intended to provide an up-to-date analysis of the structural and functional alterations of the kidneys that accompany healthy and unhealthy aging in humans. Macro- and micro- structural changes and glomerular filtration rate (whole kidney and single nephron) accompanying aging will be stressed. RECENT FINDINGS Comparative findings concerning distribution of anatomic changes of the kidney healthy and unhealthy aging are reviewed. Challenges concerning definition of chronic kidney disease (CKD) in otherwise healthy aging patients are discussed. The complex interactions of CKD and aging are discussed. The role of podocyte dysbiosis in kidney aging is reviewed. SUMMARY Kidney aging is a complex phenomenon often difficult to distinguish from CKD. Nonetheless, phenotypes of healthy and unhealthy aging are evident. Much more information concerning the molecular characteristics of normal kidney aging and its relevance to chronic kidney disease is needed.
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Affiliation(s)
- Aleksandar Denic
- Department of Medicine, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
| | - Andrew D. Rule
- Department of Medicine, Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
| | - Richard J. Glassock
- Department of Medicine, Geffen School of Medicine at UCLA, Los Angeles, CA, USA
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Ferraro PM, Taylor EN, Curhan GC. Factors associated with sex differences in the risk of kidney stones. Nephrol Dial Transplant 2022; 38:177-183. [PMID: 35138394 PMCID: PMC9869853 DOI: 10.1093/ndt/gfac037] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Men are at higher risk of developing stones compared with women; however, recent data suggest a changing epidemiology, with women being relatively more affected than before. METHODS To estimate the proportion of excess risk among men, we analysed data from large cohorts (Health Professionals Follow-up Study and Nurses' Health Study I and II). Kidney stone incidence rates were computed and hazard ratios (HRs) and 95% confidence intervals (CIs) generated with age-adjusted Cox proportional regression models. Mediation analysis estimated the excess risk for men explained by risk factors, including waist circumference, high blood pressure, diabetes, use of thiazides and dietary intake. The 24-h urine composition was also examined. RESULTS The analysis included 268 553 participants, contributing 5 872 249 person-years of follow-up. A total of 10 302 incident stones were confirmed and the overall incidence rate was 271 and 159 per 100 000 person-years for men and women, respectively. The age-adjusted HR was 2.32 (95% CI 2.20, 2.45) and the risk of stones was consistently higher across categories of age (HRs ranging from 2.02 to 2.76) for men compared with women. The risk remained higher among men, but tended to decrease over time (48.1%), while it increased among women. Urine supersaturations for calcium oxalate and uric acid were higher among men, primarily because of higher oxalate (26.3%), uric acid (16.3%), phosphate (23.5%) and lower pH. CONCLUSIONS The risk of kidney stones is higher among men and this difference is only partly explained by lifestyle risk factors; differences in urine chemistries explain a substantial fraction of the excess risk.
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Affiliation(s)
| | - Eric N Taylor
- Renal Division and Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA,Section of Nephrology, VA Maine Healthcare System, Augusta, ME, USA
| | - Gary C Curhan
- Renal Division and Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
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Numerical characterization of astronaut CaOx renal stone incidence rates to quantify in-flight and post-flight relative risk. NPJ Microgravity 2022; 8:2. [PMID: 35091560 PMCID: PMC8799707 DOI: 10.1038/s41526-021-00187-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 12/06/2021] [Indexed: 12/22/2022] Open
Abstract
Changes in urine chemistry potentially alter the risk of renal stone formation in astronauts. Quantifying spaceflight renal stone incidence risk compared to pre-flight levels remains a significant challenge for assessing the appropriate vehicle, mission, and countermeasure design. A computational biochemistry model representing CaOx crystal precipitation, growth, and agglomeration is combined with a probabilistic analysis to predict the in- and post-flight CaOx renal stone incidence risk ratio (IRR) relative to pre-flight values using 1517 astronaut 24-h urine chemistries. Our simulations predict that in-flight fluid intake alone would need to increase from current prescriptions of 2.0–2.5 L/day to ~3.2 L/day to approach the CaOx IRR of the pre-flight population. Bone protective interventions would reduce CaOx risk to pre-flight levels if Ca excretion alone is reduced to <150 mg/day or if current levels are diminished to 190 mg/day in combination with increasing fluid intake to 2.5–2.7 L/day. This analysis provides a quantitative risk assessment that can influence the critical balance between engineering and astronaut health requirements.
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Pelzman DL, Kazi E, Jackman SV, Semins MJ. Urinary Metabolic Disturbances During Topiramate Use and their Reversibility Following Drug Cessation. Urology 2022; 165:139-143. [PMID: 35093398 DOI: 10.1016/j.urology.2022.01.027] [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: 09/21/2021] [Revised: 01/01/2022] [Accepted: 01/12/2022] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To understand the metabolic disturbances of stone formers currently taking topiramate and to examine the reversibility of these disturbances with cessation of the medication. MATERIALS AND METHODS All progress notes written by 5 endourologists from a single academic center were retrospectively reviewed from January 2010 to July 2020 containing the words "topiramate" or "topamax." Inclusion criteria were age > 18 and presence of either a 24-hour urine sample or stone analysis while on topiramate. In addition, a subgroup of 18 patients with 24-hour urine samples before and after stopping topiramate were identified. RESULTS A total of 93 patients were identified and included for final analysis. Twenty-four hour urine samples were available in 67 patients and showed mean citrate excretion of 331 ± 322 mg/day, mean pH of 6.6 ± 0.5, and mean calcium phosphate supersaturation of 1.9 ± 1.1. In the subgroup analysis urinary citrate excretion increased from 225 mg/day to 614 mg/day (p<0.01), pH decreased from 6.59 ± 0.54 to 6.33 ± 0.47 (p = 0.06). In addition, 114 stone events occurred in 73 distinct patients, with 50% of stones either pure or majority (≥ 50%) calcium phosphate by composition. CONCLUSIONS Hypocitraturia and elevated pH is seen during topiramate use with resultant higher rate of calcium phosphate stone formation compared to the general population. Stopping topiramate leads to significant increase in citrate excretion and normalization of pH. These metabolic disturbances appear to be reversible with medication cessation.
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Affiliation(s)
- Daniel L Pelzman
- Department of Urology, University of Pittsburgh, Pittsburgh, PA.
| | - Eman Kazi
- Department of Urology, University of Pittsburgh, Pittsburgh, PA.
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Walker DC, Antoine JMR, Williams JA, Grant CN, Voutchkov MK. Elemental investigation of renal calculi in Jamaica by instrumental neutron activation analysis (INAA). J Radioanal Nucl Chem 2022. [DOI: 10.1007/s10967-021-08071-6] [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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Wu T, Liu Z, Ma S, Xue W, Jiang X, Ma J. Should we support prophylactic intervention for asymptomatic kidney stones? A retrospective cohort study with long-term follow-up. Urolithiasis 2022; 50:431-437. [PMID: 35622129 PMCID: PMC9137265 DOI: 10.1007/s00240-022-01331-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/08/2022] [Indexed: 12/23/2022]
Abstract
The purpose of this study was to evaluate the long-term outcomes of patients undergoing prophylactic intervention or active surveillance for asymptomatic kidney stones and identify factors influencing the outcomes. In this retrospective cohort study, we reviewed the medical records of patients with asymptomatic kidney stones in two institutes between November 2014 and November 2019. Standardized questions were asked via phone calls to supplement the outcomes. Pain, hydronephrosis, stone growth, serious infection, gross hematuria, and spontaneous passage were defined as stone-related events. Future intervention was also recorded to evaluate management. A total of 101 patients with 120 kidney units were enrolled in this study. The median follow-up time was 63 months. The patients were classified into the control group (79 cases) or exposure group (41 cases) according to whether they underwent prophylactic intervention before any stone-related events. Generally, the rates of stone-related events and future intervention were significantly different between the two groups (57.0 vs. 12.2%, p < 0.001; and 31.6 vs. 4.9%, p = 0.002, respectively). After applying stabilized inverse probability of treatment weighted, Cox regression suggested that patients who underwent prophylactic intervention were less likely to experience stone-related events and future intervention (HR = 0.175, and HR = 0.028, respectively). In conclusion, patients who underwent prophylactic intervention had a lower risk of stone-related events and future intervention, although they had some slight complications.
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Affiliation(s)
- Tao Wu
- Department of Urology, Tangdu Hospital, Air Force Medical University, 1 Xinsi Rd, Xi’an, 710038 China
| | - Zhiwei Liu
- Department of Urology, Tangdu Hospital, Air Force Medical University, 1 Xinsi Rd, Xi’an, 710038 China
| | - Shanjin Ma
- Department of Urology, Tangdu Hospital, Air Force Medical University, 1 Xinsi Rd, Xi’an, 710038 China
| | - Wei Xue
- Department of Urology, Tangdu Hospital, Air Force Medical University, 1 Xinsi Rd, Xi’an, 710038 China
| | - Xiaoye Jiang
- Department of Urology, Tangdu Hospital, Air Force Medical University, 1 Xinsi Rd, Xi’an, 710038 China
| | - Jianjun Ma
- Department of Urology, Tangdu Hospital, Air Force Medical University, 1 Xinsi Rd, Xi'an, 710038, China.
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Ryan JR, Nguyen MH, Linscott JA, Nowicki SW, James E, Jumper BM, Ordoñez M, Ingimarsson JP. Ureteroscopy with thulium fiber laser lithotripsy results in shorter operating times and large cost savings. World J Urol 2022; 40:2077-2082. [PMID: 35729369 PMCID: PMC9213046 DOI: 10.1007/s00345-022-04037-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 05/03/2022] [Indexed: 12/14/2022] Open
Abstract
PURPOSE Prolonged ureteroscopy (URS) is associated with complications including ureteral perforation, stricture, and urosepsis. As laser lithotripsy is one of the most common urologic procedures, small cost savings per case can have a large financial impact. This retrospective study was designed to determine if Thulium fiber laser (TFL) lithotripsy decreases operative time and costs compared to standard Holmium:YAG (Ho:YAG) lithotripsy without pulse modulation. METHODS A retrospective review of URS with laser lithotripsy was conducted for 152 cases performed from August 2020 to January 2021. Variables including cumulative stone size, location, chemical composition, prior ureteral stenting, and ureteral access sheath use were recorded for each case. A cost benefit analysis was performed to show projected cost savings due to potentially decreased operative times. RESULTS Compared to Ho:YAG, use of TFL resulted in an average decrease of 12.9 min per case (p = .021, 95% CI [2.03-23.85]). In subgroup analysis of cases with cumulative stone diameter less than 15 mm, the difference was 14.0 min (p = .007, CI [3.95-23.95]). For cases less than 10 mm, the mean difference was 17.3 min in favor of TFL (p = .002, 95% CI [6.89-27.62]). This ~ 13 min reduction in operative time resulted in saving $440/case in direct operating room costs giving our institution a range of $294,000 to $381,900 savings per year. CONCLUSIONS TFL has a significantly shorter operative time and decreased cost when compared to the standard Ho:YAG for equivalent kidney stone and patient characteristics. Longer term follow up is needed to see if recurrence rates are affected.
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Affiliation(s)
- James R. Ryan
- Tufts University School of Medicine, 145 Harrison Ave, Boston, MA 02111 USA
| | - Mitchell H. Nguyen
- Division of Urology, Maine Medical Center, 100 Brickhill Ave, South Portland, ME 04106 USA
| | - Joshua A. Linscott
- Division of Urology, Maine Medical Center, 100 Brickhill Ave, South Portland, ME 04106 USA
| | - Samuel W. Nowicki
- Tufts University School of Medicine, 145 Harrison Ave, Boston, MA 02111 USA
| | - Evelyn James
- Brown School of Public Health, 121 South Main Street, Providence, RI USA
| | - Brian M. Jumper
- Division of Urology, Maine Medical Center, 100 Brickhill Ave, South Portland, ME 04106 USA
| | - Maria Ordoñez
- Division of Urology, Maine Medical Center, 100 Brickhill Ave, South Portland, ME 04106 USA
| | - Johann P. Ingimarsson
- Division of Urology, Maine Medical Center, 100 Brickhill Ave, South Portland, ME 04106 USA
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Qian X, Wan J, Xu J, Liu C, Zhong M, Zhang J, Zhang Y, Wang S. Epidemiological Trends of Urolithiasis at the Global, Regional, and National Levels: A Population-Based Study. Int J Clin Pract 2022; 2022:6807203. [PMID: 35685546 PMCID: PMC9159214 DOI: 10.1155/2022/6807203] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 02/22/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Urolithiasis is common worldwide and can predispose to urinary tract infections and renal failure. We aimed to explore the global, regional, and national burden of urolithiasis between 1990 and 2019, stratified by sex, age, and sociodemographic index (SDI). METHODS From 1990 to 2019, data on the number of incident cases of urolithiasis, associated deaths, and disability-adjusted life years (DALYs) were extracted from the 2019 Global Burden of Disease (GBD) study. The trends for the incidence rate, mortality, and DALYs were evaluated using estimated annual percentage changes (EAPCs). RESULTS The incidence of urolithiasis increased by 48.57%, from 77.78 million incident cases in 1990 to 115.55 million in 2019, while its age-standardized incidence rate (ASIR) decreased. The ASIR increased slightly in the low SDI regions (EAPC = 0.33; 95% confidence interval [CI]: 0.24-0.43), while ASIRs in other SDI regions decreased. The incidence of urolithiasis by age presented a unimodal distribution, with the peak observed in patients aged between 50 years and 70 years. Urolithiasis-related mortality and DALYs also increased over time. Yet, the age-standardized death rate (ASDR) decreased by 2.05% (95% CI, -2.25% to -1.85%) per year, and the annual age-standardized DALY rate decreased by 1.77% (95% CI, -1.92% to -1.63%). The mortality and DALYs increased with age. The incidence, mortality, and DALYs were greater in males than those in females. The burden of urolithiasis showed obvious differences in its regional distribution over the past three decades. CONCLUSION From 1990 to 2019, ASIR, ASDR, and age-standardized DALY rate of urolithiasis have decreased. Yet, particularly significant differences exist in the geographic, age, and sex distribution. Thus, medical resources should be rationally allocated and adjusted according to the geographic and demographic distribution of urolithiasis.
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Affiliation(s)
- Xiaoyuan Qian
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Junlai Wan
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jinzhou Xu
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chenqian Liu
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Mingliang Zhong
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jiaqiao Zhang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ying Zhang
- Department of Nephrology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Shaogang Wang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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