9,381 results on '"Nephrolithiasis"'
Search Results
52. Flexible Mini Percutaneous Nephrolithotomy vs Retrograde Intra-renal Surgery
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Ahmed Maher Gamil Ahmed Higazy, principle investigator
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- 2024
53. Effect of Antihistamines on Ureteral Stent-Related Symptoms
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Coloplast A/S and Ojas Shah, George F. Cahill Professor of Urology
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- 2024
54. Safety and Effectiveness of the Ultrasonic Propulsion of Kidney Stones
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VA Puget Sound Health Care System and Jonathan Harper, MD, Assistant Professor, Urology
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- 2024
55. Empiric Versus Selective Prevention Strategies for Kidney Stone Disease
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Ryan Hsi, Associate Professor of Urology
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- 2024
56. Hydrochlorothiazide for Kidney Stone Recurrence Prevention (NOSTONE)
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- 2024
57. Kidney Sodium Functional Imaging
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Chris McIntyre, Nephrologist
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- 2024
58. Pilot Study to Evaluate the Contribution of Gene Variants to Idiopathic Urolithiasis
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Ivan E. Porter, II, Principal Investigator
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- 2024
59. Heterozygous Individuals for AGXT and Kidney Stones
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Kyle D. Wood, Principal Investigator
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- 2024
60. Is Re-examination of Urine Culture Necessary for Patients With Preoperative Positive Results in Predicting Infectious Complications Related to Mini-Percutaneous Nephrolithotomy?
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Junhao Zheng, Resident
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- 2024
61. RIRS With Tip Flexible Pressure-controlling Ureteral Access Sheath Versus Mini PCNLfor Kidney Stones
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Huang Xin, Associate Senior Doctor
- Published
- 2024
62. The High Initial Dose of Monitored Vitamin D Supplementation in Preterm Infants. (HIDVID)
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Medical University of Warsaw and Alicja Kołodziejczyk, MD, PhD
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- 2024
63. Erector Spinae Versus Paravertebral in Pediatric PCNL
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Hany Mostafa Esmaeil Osman, Principal Investigator
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- 2024
64. Initial Clinical Experience With the MONARCH Platform, Urology for the Treatment of Kidney Stones
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- 2024
65. Evaluation of Novel Disposable Flexible Ureteroscope for the Treatment of Renal Calculi
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Amy Krambeck, Professor of Urology
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- 2024
66. Methocarbamol vs Oxybutynin for Management of Pain and Discomfort S/P Ureteroscopy Procedure
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Amy Krambeck, Professor of Urology
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- 2024
67. A Comparison of Ureteroscopic Treatment of Nephrolithiasis With and Without Moses Technology
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Nicole L. Miller, Associate Professor
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- 2024
68. Comparison of cat stone matrix and cat urine proteomes to human calcium oxalate stone matrix and urine proteomes.
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Wesson, Jeffrey A., Zenka, Roman, Sherman, Katherine, Eisenhauer, Jessica, Lulich, Jody, and Davis, Carley
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CALCIUM oxalate , *KIDNEY stones , *ISOELECTRIC point , *CRYSTALLOIDS (Botany) , *PROTEIN-protein interactions - Abstract
Cat calcium oxalate monohydrate kidney stone matrix proteome showed great similarity to human calcium oxalate monohydrate stone matrix proteome, but inference of mechanistic similarity was limited by the absence of cat urine proteomic data. In this study, urine proteome distributions were measured by the same methods in 7 healthy cats for comparison to both the published human urine and cat calcium oxalate stone matrix proteomes to assess for similar enrichment patterns in both species. Furthermore, proteomic distributions were determined in cat struvite stone matrix to test for similarity to calcium oxalate monohydrate stone matrix and urine proteomes. Cat urine proteins demonstrated a similar distribution of abundance as a function of isoelectric points or net charge to human urine samples, and consequently the similarly altered patterns of protein distributions seen in calcium oxalate monohydrate stone matrix seen from both cat and human stones likely derives from the same preferential adsorption mechanism. Furthermore, the fact that protein abundance patterns seen in cat struvite stone matrix samples differ from both urine and calcium oxalate monohydrate stone matrix proteomes in systematic ways suggests that a combination of protein–protein and protein crystal interactions underly the formation of the crystal aggregates that comprise stones. [ABSTRACT FROM AUTHOR]
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- 2024
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69. Prevalence and characteristics of genetic disease in adult kidney stone formers.
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Anderegg, Manuel A, Olinger, Eric G, Bargagli, Matteo, Geraghty, Rob, Taylor, Lea, Nater, Alexander, Bruggmann, Rémy, Sayer, John A, Vogt, Bruno, Schaller, André, and Fuster, Daniel G
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KIDNEY stones , *MEDICAL genetics , *GENETIC disorders , *MEDICAL genomics , *CALCIUM oxalate - Abstract
Background Molecular mechanisms of kidney stone formation remain unknown in most patients. Previous studies have shown a high heritability of nephrolithiasis, but data on the prevalence and characteristics of genetic disease in unselected adults with nephrolithiasis are lacking. This study was conducted to fill this important knowledge gap. Methods We performed whole exome sequencing in 787 participants in the Bern Kidney Stone Registry, an unselected cohort of adults with one or more past kidney stone episodes [kidney stone formers (KSFs)] and 114 non-kidney stone formers (NKSFs). An exome-based panel of 34 established nephrolithiasis genes was analysed and variants assessed according to American College of Medical Genetics and Genomics criteria. Pathogenic (P) or likely pathogenic (LP) variants were considered diagnostic. Results The mean age of KSFs was 47 ± 15 years and 18% were first-time KSFs. A Mendelian kidney stone disease was present in 2.9% (23/787) of KSFs. The most common genetic diagnoses were cystinuria (SLC3A1, SLC7A9; n = 13), vitamin D-24 hydroxylase deficiency (CYP24A1; n = 5) and primary hyperoxaluria (AGXT, GRHPR, HOGA1; n = 3). Of the KSFs, 8.1% (64/787) were monoallelic for LP/P variants predisposing to nephrolithiasis, most frequently in SLC34A1/A3 or SLC9A3R1 (n = 37), CLDN16 (n = 8) and CYP24A1 (n = 8). KSFs with Mendelian disease had a lower age at the first stone event (30 ± 14 versus 36 ± 14 years; P = .003), were more likely to have cystine stones (23.4% versus 1.4%) and less likely to have calcium oxalate monohydrates stones (31.9% versus 52.5%) compared with KSFs without a genetic diagnosis. The phenotype of KSFs with variants predisposing to nephrolithiasis was subtle and showed significant overlap with KSFs without diagnostic variants. In NKSFs, no Mendelian disease was detected and LP/P variants were significantly less prevalent compared with KSFs (1.8% versus 8.1%). Conclusion Mendelian disease is uncommon in unselected adult KSFs, yet variants predisposing to nephrolithiasis are significantly enriched in adult KSFs. [ABSTRACT FROM AUTHOR]
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- 2024
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70. Influence of Dietary Heritage in a Restricted Geographic Area and Role of Food Additives on Risk of Recurrent Kidney Stone.
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Bolasco, Piergiorgio and Reggiardo, Giorgio
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Dietary factors may be implicated in the formation of kidney stones and should be closely monitored. To achieve this aim, patients are routinely assessed by means of generic dietary recall, a tool widely used by authors in a range of extensive patient populations to record food intake; the findings obtained, however, may be skewed due to dietary variations and underestimation of the effect of food additives. Fifty Frequent Kidney Stone Formers (FKSFs, mean age: 54.3 ± 13.9 years) with normal kidney function, absence of comorbidities, and reliable compliance were selected from a total of 68 patients' resident in Sardinia, an Italian island where genetic admixtures have been relatively rare for generations. The study, conducted from 1 January 2020 to 31 December 2023, was aimed at assessing nutritional values based on the meticulous recording of food quantities, quality, and potential modifications related to food preparation. Patients were selected during an initial clinical check-up and all efforts made to ensure they were capable of reliably recording all food and drinks consumed. A seven-day food diary was provided in which food and drink intake and their impact on 24 h urine output was recorded. The following parameters were measured in both foods and urine output: citrates, oxalates, calcium, phosphorous, uric acid, proteins and nitrogen compounds, magnesium, sulfates, potassium, carbohydrates, free fatty acids. Study outcomes established the presence of hypocitraturia, hyperoxaluria, hypercalciuria, and moderately high levels of nitrogen compounds. Univariate analysis followed by multivariate analysis for further confirmation were performed and the following observations made. Citrate intake correlated with citraturia but did not promote oxaluria; calcium intake promoted onset of sulfaturia, azoturia, and ammoniuria, whilst magnesium correlated with magnesiuria but not with oxaluria, calciuria, phosphaturia, and azoturia; sulfate intake elicited onset of azoturia but not kaliuresis; potassium intake promoted oxaluria and protein intake resulted in onset of ammoniuria and azoturia. (A) The chemical composition of urine based on dietary intake is hard to predict without taking into account the presence of dietary and urinary interferents; (B) the geographic isolation of patients studied underlines the importance of epigenetics in maintaining a traditional dietary heritage. (C) Moreover, the widespread use of food additives should consistently be taken into account to ensure a correct diagnosis of FKSF and set up a valid treatment plan. [ABSTRACT FROM AUTHOR]
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- 2024
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71. Using ChatGPT-4 to Analyze 24-Hour Urine Results and Generate Custom Dietary Recommendations for Nephrolithiasis.
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Kiriakedis, Satomi, Duty, Brian, Chase, Tyler, Wusirika, Raghav, and Metzler, Ian
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Purpose: The increasing incidence of nephrolithiasis underscores the need for effective, accessible tools to aid urologists in preventing recurrence. Despite dietary modification's crucial role in prevention, targeted dietary counseling using 24-hour urine collections is underutilized. This study evaluates ChatGPT-4, a multimodal large language model, in analyzing urine collection results and providing custom dietary advice, exploring the potential for artificial intelligence-assisted analysis and counseling. Materials and Methods: Eleven unique prompts with synthesized 24-hour urine collection results were submitted to ChatGPT-4. The model was instructed to provide five dietary recommendations in response to the results. One prompt contained all "normal" values, with subsequent prompts introducing one abnormality each. Generated responses were assessed for accuracy, completeness, and appropriateness by two urologists, a nephrologist, and a clinical dietitian. Results: ChatGPT-4 achieved average scores of 5.2/6 for accuracy, 2.4/3 for completeness, and 2.6/3 for appropriateness. It correctly identified all "normal" values but had difficulty consistently detecting abnormalities and formulating appropriate recommendations. The model performed particularly poorly in response to calcium and citrate abnormalities and failed to address 3/10 abnormalities entirely. Conclusions: ChatGPT-4 exhibits potential in the dietary management of nephrolithiasis but requires further refinement for dependable performance. The model demonstrated the ability to generate personalized recommendations that were often accurate and complete but displayed inconsistencies in identifying and addressing urine abnormalities. Despite these limitations, with precise prompt design, physician oversight, and continued training, ChatGPT-4 can serve as a foundation for personalized medicine while also reducing administrative burden, indicating its promising role in improving the management of conditions such as nephrolithiasis. [ABSTRACT FROM AUTHOR]
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- 2024
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72. A Novel Machine-Learning Algorithm to Predict Stone Recurrence with 24-Hour Urine Data.
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Shee, Kevin, Liu, Andrew W., Chan, Carter, Yang, Heiko, Sui, Wilson, Desai, Manoj, Ho, Sunita, Chi, Thomas, and Stoller, Marshall L.
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Objectives: The absence of predictive markers for kidney stone recurrence poses a challenge for the clinical management of stone disease. The unpredictability of stone events is also a significant limitation for clinical trials, where many patients must be enrolled to obtain sufficient stone events for analysis. In this study, we sought to use machine learning methods to identify a novel algorithm to predict stone recurrence. Subjects/Patients and Methods: Patients enrolled in the Registry for Stones of the Kidney and Ureter (ReSKU), a registry of nephrolithiasis patients collected between 2015–2020, with at least one prospectively collected 24-hour urine test (Litholink 24-hour urine test; Labcorp) were included in the training set. A validation set was obtained from chart review of stone patients not enrolled in ReSKU with 24-hour urine data. Stone events were defined as either an office visit where a patient reports symptomatic passage of stones or a surgical procedure for stone removal. Seven prediction classification methods were evaluated. Predictive analyses and receiver operator characteristics (ROC) curve generation were performed in R. Results: A training set of 423 kidney stone patients with stone event data and 24-hour urine samples were trained using the prediction classification methods. The highest performing prediction model was a Logistic Regression with ElasticNet machine learning model (area under curve [AUC] = 0.65). Restricting analysis to high confidence predictions significantly improved model accuracy (AUC = 0.82). The prediction model was validated on a validation set of 172 stone patients with stone event data and 24-hour urine samples. Prediction accuracy in the validation set demonstrated moderate discriminative ability (AUC = 0.64). Repeat modeling was performed with four of the highest scoring features, and ROC analyses demonstrated minimal loss in accuracy (AUC = 0.63). Conclusion: Machine-learning models based on 24-hour urine data can predict stone recurrences with a moderate degree of accuracy. [ABSTRACT FROM AUTHOR]
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- 2024
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73. Visceral Adiposity and Its Impact on Nephrolithiasis: A Narrative Review.
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Mallio, Carlo Augusto, Cea, Laura, D'Andrea, Valerio, Buoso, Andrea, Bernetti, Caterina, Beomonte Zobel, Bruno, and Greco, Federico
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KIDNEY stones , *BODY mass index , *ADIPOSE tissues , *COST control , *GENETICS - Abstract
Kidney stones represent a serious medical problem, resulting from several factors such as diet, genetics, and certain medical conditions. Visceral adipose tissue has been shown in recent research to play a significant role in kidney stone formation, making it a more precise indicator than traditional obesity indicators such as body mass index. The main aim of this review is to summarize studies on visceral obesity as a predictive marker for nephrolithiasis and to highlight new mechanistic pathways such as adipokine-mediated inflammation and its impact on kidney stone formation. This review emphasizes the importance of considering visceral fat in the prevention and management of kidney stones, suggesting that targeted strategies to reduce visceral fat could decrease the incidence of kidney stones and their management costs. Further prospective studies are needed to validate these findings and propose preventive strategies based on visceral adiposity assessments. [ABSTRACT FROM AUTHOR]
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- 2024
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74. Changes in metabolic overweight phenotypes over time and risk of nephrolithiasis: a cohort study.
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Cheng, Yang, Zheng, Hui, Yin, Hongli, Yin, Donghua, Wang, Hui, Wang, Ying, Tang, Qiang, and Gu, Shouyong
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KIDNEY stones , *COHORT analysis , *PHENOTYPES , *PHENOTYPIC plasticity , *LONGITUDINAL method - 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. [ABSTRACT FROM AUTHOR]
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- 2024
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75. Mitochondrial dysfunction and NLRP3 inflammasome: key players in kidney stone formation.
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Su, Boyan, Ren, YaLin, Yao, Weimin, Su, Yue, and He, Qiqi
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KIDNEY stones , *NLRP3 protein , *INFLAMMASOMES , *LEUCINE , *CELL physiology , *MITOCHONDRIA , *FRONTOTEMPORAL lobar degeneration , *MITOCHONDRIAL pathology - Abstract
The mitochondrion serves as a critical intracellular organelle, engaging in essential roles in the regulation of energy production, oxidative stress management, calcium homeostasis, and apoptosis. One such disease that has been particularly associated with these functions is kidney stone disease (KSD), specifically calcium oxalate (CaOx). It is underpinned by oxidative stress and tissue inflammation. Recent studies have shed light on the vital involvement of mitochondrial dysfunction, the nucleotide‐binding domain and leucine‐rich repeat containing protein 3 (NLRP3) inflammasome, endoplasmic reticulum stress and subsequent cell death in CaOx crystal retention and aggregation. These processes are pivotal in the pathogenesis of kidney stone formation. This review focuses on the pivotal roles of mitochondria in renal cell functions and provides an overview of the intricate interconnectedness between mitochondrial dysfunction and NLRP3 inflammasome activation in the context of KSD. It is essential to recognise the utmost significance of gaining a comprehensive understanding of the mechanisms that safeguard mitochondrial function and regulate the NLRP3 inflammasome. Such knowledge carries significant scientific implications and opens up promising avenues for the development of innovative strategies to prevent the formation of kidney stones. [ABSTRACT FROM AUTHOR]
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- 2024
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76. Effects of thiazides and new findings on kidney stones and dysglycemic side effects.
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Bargagli, Matteo, Anderegg, Manuel A., and Fuster, Daniel G.
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KIDNEY stones , *GLUCOSE intolerance , *DIABETES , *CLINICAL medicine , *PHYSICIANS - Abstract
Thiazide and thiazide‐like diuretics (thiazides) belong to the most frequently prescribed drugs worldwide. By virtue of their natriuretic and vasodilating properties, thiazides effectively lower blood pressure and prevent adverse cardiovascular outcomes. In addition, through their unique characteristic of reducing urine calcium, thiazides are also widely employed for the prevention of kidney stone recurrence and reduction of bone fracture risk. Since their introduction into clinical medicine in the early 1960s, thiazides have been recognized for their association with metabolic side effects, particularly impaired glucose tolerance, and new‐onset diabetes mellitus. Numerous hypotheses have been advanced to explain thiazide‐induced glucose intolerance, yet underlying mechanisms remain poorly defined. Regrettably, the lack of understanding and unpredictability of these side effects has prompted numerous physicians to refrain from prescribing these effective, inexpensive, and widely accessible drugs. In this review, we outline the pharmacology and mechanism of action of thiazides, highlight recent advances in the understanding of thiazide‐induced glucose intolerance, and provide an up‐to‐date discussion on the role of thiazides in kidney stone prevention. [ABSTRACT FROM AUTHOR]
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- 2024
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77. Is the "Pandemic Diet" Nonlithogenic?
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Shkolnik, Brian, Zhao, Kelley, Lu, Jennifer Y., Kothari, Pankti, Herfel, Scott, Schulsinger, Hailey, and Schulsinger, David
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COVID-19 pandemic , *DIETARY patterns , *PANDEMICS , *COVID-19 , *DIET - Abstract
Introduction and Objective: The COVID-19 pandemic and worldwide quarantine resulted in major changes in individual lifestyles. In New York State, March 16, 2020, marked the end of in-restaurant dining and a reported shift to more cooking at home. We investigated the 24-hour urine of patients with known history of nephrolithiasis to see if changes during COVID-19 pandemic altered the risk of stone disease. Methods: Retrospectively, patients with history of nephrolithiasis seen for an outpatient visit from April 1, 2020, to December 31, 2020, were studied. All patients had a 24-hour urine study "pre-COVID" defined as before March 16, 2020, "during-COVID" from March 16, 2020, to December 31, 2020; if available, "post-COVID" from January 1, 2021, to October 31, 2022, was also included. Mean study values were compared using paired, two-tailed t-tests. Results: Ninety-three patients (M = 54, F = 39) with a mean age of 60 years were evaluated. Twenty-four-hour urine revealed a significant reduction in urinary sodium (uNa) levels from pre-COVID (166.15 ± 7.51 mEq/L) compared with during-COVID (149.09 ± 7.55 mEq/L) (p = 0.015) and urinary calcium (uCa) levels from pre-COVID (214.18 ± 13.05 mg) compared with during-COVID (191.48 ± 13.03 mg) (p = 0.010). Post-COVID 24-hour urine (N = 73) levels for uNa (138.55 ± 6.83 mEq/L, p = 0.0035) and uCa (185.33 ± 12.61 mg, p = 0.012) remained significantly reduced compared with pre-COVID values, but with no difference compared with during-COVID values. Upon age stratification, this significance was found only in patients younger than 65. There were no significant differences in 24-hour urine total volume, magnesium, or citrate levels. Conclusions: During the COVID-19 lockdown, dietary choices limited to home-cooked meals allowed patients to better identify their food choices. This study demonstrates that home-cooked meals improved urinary parameters minimizing lithogenic risk factors for stone formation, including hypernatriuria and hypercalciuria. That these changes persisted into the post-COVID period may indicate improved dietary practices after the lockdown ended. [ABSTRACT FROM AUTHOR]
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- 2024
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78. Variable presentation and outcomes of primary hyperparathyroidism in children and adolescents.
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Das, Debaditya, Banerjee, Mainak, Kar, Anish, Bhattacharyya, Rana, Chowdhury, Subhankar, and Mukhopadhyay, Satinath
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Primary hyperparathyroidism (PHPT) in paediatric and adolescent age group presents with some unique challenges for clinicians. While the disease in the adult counterparts presents with symptoms which are described quite extensively in literature, children/adolescents have manifestations which are quite different and severe compared to the former. The present case series aimed to highlight the peculiarities of presentation of PHPT in children and adolescents. In this case series, we present experience of 5 cases of PHPT in children and adolescents from our centre. We compared our data with the data already available in literature. We have also described salient presenting features of PHPT in individuals less than 19 years old previously reported in literature and pointed out the specificities of this disease at this age group. PHPT in children and adolescents should be considered as a separate entity compared to that in adults, given its unique features, such as rachitic features, and severity of different presenting phenotypes. Persistence of rachitic features despite vitamin D correction, pancreatitis, bilateral nephrolithiasis and otherwise unexplained psychiatric abnormalities of insidious onset require greater clinical vigilance and serum/urine calcium testing to rule out this uncommon yet possible entity. [ABSTRACT FROM AUTHOR]
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- 2024
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79. Functional analysis reveals calcium-sensing receptor gene regulating cell–cell junction in renal tubular epithelial cells.
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Zhou, Zijian, Gao, Peng, Zhang, Tongtong, Yang, Yuanyuan, Ding, Qiang, Wu, Zhong, and Wang, Lujia
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Purpose: Calcium-sensing receptor (CASR) influences the expression pattern of multiple genes in renal tubular epithelial cells. The objective of this inquiry was to explore the molecular mechanisms of CASR in renal tubular epithelial cells and nephrolithiasis. Methods: HK-2 cells were transfected with lentiviruses carrying either CASR (named CASR) or an empty vector negative control (named NC), as well as shRNA intended to target CASR (named shCASR) or its corresponding negative control (named shNC). CCK-8 assay was used to detect the effect of CASR on the proliferation of HK-2 cells. RNA-Sequencing was applied to explore potential pathways regulated by CASR in HK-2 cells. Results: PCR and western blot results showed that CASR expression was significantly increased in CASR cells and was decreased in shCASR cells when compared to their corresponding negative control, respectively. CCK-8 assay revealed that CASR inhibited the proliferation of HK-2 cells. RNA-Sequencing results suggested that the shCASR HK-2 cells exhibited a significant up-regulation of 345 genes and a down-regulation of 366 genes. These differentially expressed genes (DEGs) were related to cell apoptosis and cell development. In CASR HK-2 cells, 1103 DEGs primarily functioned in mitochondrial energy metabolism, and amino acid metabolism. With the Venn diagram, 4 DEGs (Clorf116, ENPP3, IL20RB, and CLDN2) were selected as the hub genes regulated by CASR. Enrichment analysis revealed that these hub genes were involved in cell–cell junction, and epithelial cell development. Conclusions: In summary, our investigation has the potential to offer novel perspectives on CASR regulating cell–cell junction in HK-2 cells. [ABSTRACT FROM AUTHOR]
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- 2024
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80. Investigation of quality of life and anxiety level of patients who have undergone pigtail placement.
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Rikos, Nikos, Titomichelaki, Athena, Katsalaki, Maria, Assargiotaki, Maria, Kourlaba, Georgia, and Linardakis, Manolis
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CROSS-sectional method ,ACADEMIC medical centers ,CRONBACH'S alpha ,T-test (Statistics) ,URINARY calculi ,QUESTIONNAIRES ,MULTIPLE regression analysis ,SEX distribution ,ANXIETY ,URINARY catheterization ,HEALTH surveys ,DESCRIPTIVE statistics ,ECONOMIC status ,JUDGMENT sampling ,CHI-squared test ,MANN Whitney U Test ,STATE-Trait Anxiety Inventory ,ODDS ratio ,QUALITY of life ,SOCIODEMOGRAPHIC factors ,PSYCHOLOGICAL tests ,DATA analysis software - Abstract
Worldwide, nephrolithiasis is a disease with an increased frequency of presence and symptoms. This study aimed to investigate the quality of life (QoL) and the factors influencing it in patients who have undergone pigtail catheter placement. Α cross‐sectional study was implemented in 85 patients from the Urology Clinic/University General Hospital of Crete, Greece, recruited during November 2022 and January 2023. Patients' demographic and medical history profile were recorded and their QoL and state anxiety status assessed using the SF‐36 and State–Trait Anxiety Inventory (STAI‐S) scales based on multiple logistic regression analysis. The majority of patients were female (55.3%) and the mean age of all was 53.7 years (±11.5). QoL was moderate to high while 30.6% and 35.3% of patients presented high quality of Physical and Mental Components, respectively. For Anxiety, moderate mean scores were found while 62.4% presented high anxiety. Patients with low/moderate State Anxiety compared with their counterparts had better QoL in the SF‐36 subscales (p < 0.05). In the Physical Component, higher odds of high QoL appear to be found in females versus males (odds ratio, OR = 8.68, p = 0.008), in higher income categories (OR = 5.74, p < 0.001) and in patients with low/moderate anxiety (OR = 12.87, p < 0.001), while in the Mental Component higher odds were found for higher income categories (OR = 2.19, p = 0.018) and patients with low/moderate anxiety (OR = 7.20, p = 0.001). Better QoL in patients with nephrolithiasis and pigtail is associated with female gender, higher living standards and lower state anxiety, allowing more effective interventions by health professionals to alleviate patients' symptoms and empower them. [ABSTRACT FROM AUTHOR]
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- 2024
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81. Pain experiences of nephrolithiasis patients planned for percutaneous nephrolithotomy: A qualitative study.
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Deniz Doğan, Sevgi, Yurtseven, Şeyma, and Köse Tosunöz, İpek
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PAIN measurement ,SURGERY ,PATIENTS ,QUALITATIVE research ,URINARY calculi ,INTERVIEWING ,CONTENT analysis ,PSYCHOLOGICAL adaptation ,THEMATIC analysis ,ANALGESIA ,PAIN ,PAIN management ,RESEARCH methodology ,DATA analysis software ,NEPHROSTOMY ,PATIENTS' attitudes - Abstract
This study was carried out to determine the pain experienced by nephrolithiasis patients scheduled for PNL and the methods of coping with pain. The qualitative descriptive study was conducted with 22 patients aged between 23 and 75 years who experienced pain due to nephrolithiasis. The data were collected between January and November 2023 using the "Personal Information Form" and "Semi‐structured Interview Form". The content analysis was used to investigate the pain experienced by patients. Patients reported the character of pain as pulling, stabbing, scratching, swelling, pressing, and indescribable, and the intensity of the pain as the most severe pain experienced, unbearable, and killing. Patients reported the effects of the pain as tiring, immobilized, breathtaking, and appetite suppressant. The methods used by the patients were categorized under two themes: pain‐orientated and directed at the source of pain. In addition to pharmacological methods to cope with pain, patients reported hot application and distraction techniques. Patients also reported using some herbs in addition to the medical treatments recommended by the physician to reduce kidney stones to cope with the pain they experienced. In line with these results, the subjective nature of pain should not be forgotten during pain assessment, which is one of the most important steps in controlling the pain of patients with renal colic due to nephrolithiasis, and pain should be evaluated in all its dimensions. Considering that patients also use nonpharmacological methods to control this severe pain, these methods should be questioned. [ABSTRACT FROM AUTHOR]
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- 2024
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82. Взаємозв’язок факторів розвитку запальних змін сечовивідних шляхів у комплексному лікуванні хворих на сечокам’яну хворобу.
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Люлько, О. О. and Моргунцов, В. О.
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The aim of the work is to analyze the scientific literature data on the principles and state of rational antibiotic therapy use according to factors for the development of inflammatory changes in the urinary tract with the identification of the latter in the complex therapy for urolithiasis, taking into account the peculiarities of contact laser lithotripsy. The article presents the results of analytical processing of professional publications on current principles of rational antibiotic therapy in the surgical treatment for urolithiasis, taking into account factors that may influence the development of inflammatory changes in the urinary tract. It has been revealed that there is currently no clear understanding about chances of developing infectious processes during the treatment for urolithiasis of various localization, as well as the advisability and duration of using antibiotics in the comprehensive treatment of the disease. At the same time, antibiotic overuse has resulted in phenomena of resistance, side effects, and a number of other complicating factors needed to be addressed. Conclusions. An analysis of present approaches to antibacterial therapy, considering its rationality at different treatment stages, has been conducted concluding that clear criteria and indicators for the use of drugs have not been specified, but these data serve only as recommendations and have not been thoroughly examined. Data on searching for a solution to problematic aspects are also provided. [ABSTRACT FROM AUTHOR]
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- 2024
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83. Antiurolithiatic effects of Cassia fistula Lin. fruit extracts on ethylene glycol‐induced nephrolithiasis in rats.
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Partovi, Nasrin, Fatemi, S. Jamilaldin, and Ebadzadeh, Mohammad Reza
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Urinary stones are a growing disease that results from pathological biomineralization. Cassia fistula Lin. is traditionally used to treat urinary stones. However, no scientific evidence is available to prove its antilithiatic effect. This study evaluates the antilithiatic potential of aqueous and ethanolic extract of Cassia fistula Lin. fruit (Cff) against calcium oxalate kidney stones. Forty‐two male Wistar rats were divided into seven groups (n = 6/group): Group I (control), Group II (rats treated with ethylene glycol and ammonium chloride developed nephrolithiasis after 28 days), Group III (lithiatic rats receiving distilled water for 30 days), Group IV and V (lithiatic rats receiving aqueous extract of Cff at doses of 1 and 100 mg/kg body weight for 30 days, respectively) and Group VI and VII (lithiatic rats receiving ethanolic extract of Cff at doses of 1 and 100 mg/kg body weight for 30 days, respectively). Some parameters of urine and serum, and also renal oxidative stress and histopathology were used to determine the antilithiatic effect of aqueous and ethanolic extract of Cff. Therefore, the types of extracts of Cff improved abnormal levels of urine, serum, and renal oxidative stress and histopathology parameters. This antilithiatic effect of aqueous and ethanolic extracts of Cff, can be attributed to the anti‐crystallization and antioxidant properties of the extracts and the ability to improve urine and serum biochemistry. Research Highlights: Ethylene glycol and ammonium chloride‐induced urolithiasis, aggregation of calcium oxalate deposits, increase of some urinary and serum parameters, relative kidney weight, kidney size and MDA activity, decrease of some urinary parameters, relative body weight and SOD activity.Aqueous and ethanolic extracts of Cassia fistula Lin. lead to the treatment of urolithic rats by decreasing levels of urinary oxalate, phosphate, urea, serum urea, uric acid, creatinine, calcium, phosphate, MDA, kidney weight and kidney size, increasing levels of urinary calcium, creatinine, magnesium, citrate, body weight and SOD activity in the kidney, eliminating CaOx deposition (esp. ethanolic extract). [ABSTRACT FROM AUTHOR]
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- 2024
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84. Prevalence and related factors of nephrolithiasis among medical staff in Qingdao, China: a retrospective cross-sectional study.
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Guo, Lei, Liu, Lijun, Sun, Ying, Xue, Li, Gong, Xingji, Wang, Yue, Jiao, Wei, and Niu, Haitao
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MEDICAL personnel ,EMERGENCY nursing ,KIDNEY stones ,LOGISTIC regression analysis ,CROSS-sectional method ,URINARY calculi - Abstract
Background: Certain occupations may predispose individuals to urolithiasis, a multi-factorial disease. The study aimed to evaluate the prevalence and related factors of nephrolithiasis in medical staff in Qingdao, China. Methods: Physical examination results of 5115 in-service medical staff aged 22–60 years old were retrospectively analyzed. Multivariable logistic regression analysis and stratified analyses by age and gender were applied to explore the related factors of nephrolithiasis in these medical staff. Results: The overall nephrolithiasis prevalence in medical staff in Qingdao, China was 4.65%. Doctors were more prone to nephrolithiasis than nurses (5.63% vs. 3.96%, P = 0.013) and the peak prevalence (6.69%) was observed in medical staff working in the emergency department (ED). Male gender (OR = 1.615, 95% CI = 1.123–2.323, P = 0.010), overweight or obesity (OR = 1.674, 95% CI = 1.266–2.214, P < 0.001), work seniority ≥ 10 years (OR = 2.489, 95%CI = 1.675–3.699, P < 0.001) and working in the ED (OR = 1.815, 95% CI = 1.202–2.742, P = 0.005) were independent predictors for nephrolithiasis in medical staff based on the results of multivariate logistic regression analysis. The associations between overweight or obesity and nephrolithiasis risk as well as between work seniority ≥ 10 years and nephrolithiasis risk in medical staff were independent of age or gender in stratified analysis. Conclusions: Nephrolithiasis prevalence in medical staff in Qingdao, China seemed not to be higher than that in the general population. Medical staff with work seniority ≥ 10 years and working in the ED should pay abundant attention to take measures to modify their nephrolithiasis risk. [ABSTRACT FROM AUTHOR]
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- 2024
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85. Daily habits and kidney stones development rate. Literature review.
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Iwańczuk, Paweł
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KIDNEY stones ,KIDNEY development ,LITERATURE reviews ,URINARY tract infections ,DIGESTIVE system diseases ,KIDNEYS - Abstract
Introduction: Kidney stones disease is a medical condition when hard deposits made of various minerals and substances form inside kidneys. It may lead to clinical symptoms as severe pain felt in the belly area or side of the back. Also it can radiate and reach testicles, groin area, labia. Other symptoms may include blood in the urine, abnormal color of urine, fever, nausea, vomiting. Because of growing incidence rate-adequate question is how can we protect ourselves from kidney stones development by changing habits. Aim of study: Fundamental aim of study is to demonstrate how daily, routine habits changes may have a huge impact on kidney stones development risk. State of knowledge: There are a lot of confirmed parameters and factors which can lead to kidney stones development. Factors that increase risk of developing kidney stones include: dehydration, diet (meat intake, fruit/vegetables intake, sodium intake), family or personal history, obesity, digestive diseases and surgery, metabolic disorders, urinary tract infections, anatomical abnormalitiesobstruction of the kidney, calyceal diverticulum, horseshoe kidney, ureterocele. This group includes many modified factors, so lifetime risk of kidney stones depends also on our habits and way of life. Conclusion: There are many modified factors which may lead to this disease and because of that it is crucial to improve patients and whole society awareness about them. By appropriate daily habits changes we can significantly reduce risk of lifetime kidney stone disease development. It is important to know that concrete reports and analyses were made and they demonstrated scientifically proven correlations. [ABSTRACT FROM AUTHOR]
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- 2024
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86. O USO DA ULTRASSONOGRAFIA PARA GUIAR MÉTODOS DE IMPRESSÃO DIAGNÓSTICA E TRATAMENTO DE NEFROLITÍASE: UMA REVISÃO SISTEMÁTICA DE ENSAIOS CLÍNICOS.
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de Almeida Santana, Natan Augusto, Katsuyama Nogueira, Lyandra Yuri, Marques Moraes, Luiza Ferro, Paiva Jordão, Gabriel de Souza, Figueiredo Parrode, Ana Paula, Ferreira Cruz Toledo, Ana Maria, Sampaio Rosa, Júlia Grossi, and Telho Neto, Francisco Augusto
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PERCUTANEOUS nephrolithotomy ,SURGICAL complications ,URINARY organs ,CLINICAL trials ,ULTRASONIC imaging ,KIDNEY stones - Abstract
Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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87. Multimodal analysis of renal stones to explore new biomarkers of urolithiasis
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E. O. Popova, S. Y. Tkachev, A. K. Karpenko, Yu. A. Lee, P. A. Chislov, S. H. Ali, A. M. Dymov, A. Z. Vinarov, A. A. Akovantseva, B. P. Ershov, D. A. Golub, M. D. Shchekleina, G. Y. Galechyan, D. A. Bogoedov, E. R. Gafarova, R. E. Musaelyan, and P. S. Timashev
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urolithiasis ,nephrolithiasis ,kidney stones ,laser lithotripsy ,renal stones ,properties ,morphology ,Diseases of the genitourinary system. Urology ,RC870-923 - Abstract
Despite advances in minimally invasive surgery, urolithiasis still recurs within the first five years after the first episode in more than 50% of patients. Researchers continue to search for new crystallisation inhibitors, metaphylaxis strategies and laser sources for stone destruction. Therefore, to achieve these goals, it is necessary to study kidney stones not only as the result of an isolated process of pathological biomineralisation in the human body, but also as a biogenic mineral or rock that obeys universal patterns and has certain properties. Consequently, kidney stones need to be studied using methods that are widely used in the geological sciences for the study of minerals, such as computed microtomography and petrological analysis. In this review, the properties of kidney stones studied using various research methods used in geosciences are discussed. These properties are also considered as new biomarkers of urolithiasis. This review discusses how new data from multimodal stone analysis can be used to develop personalised metaphylaxis and treatment strategies for all types of urolithiasis, including the most common idiopathic calcium-oxalate urolithiasis.
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- 2024
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88. Prevalence and risk factors for gallstone and renal stone formation in patients with intestinal Behçet’s disease
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Jaewon Song, Soo Jung Park, Jae Jun Park, Tae Il Kim, Jihye Park, and Jae Hee Cheon
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gallstone ,behcet's disease ,nephrolithiasis ,Medicine - Abstract
Background/Aims The association between inflammatory bowel disease (IBD) and gallstone and renal stone formation has been established. However, few studies have investigated this association in patients with intestinal Behçet’s disease (BD). We aimed to examine the prevalence of gallstones and renal stones in patients with intestinal BD and identify potential risk factors. Methods We analyzed gallstone and renal stone occurrences in 553 patients diagnosed with intestinal BD who had undergone cross-sectional imaging examinations between March 2005 and April 2021 at the IBD Center, Severance Hospital, Seoul, South Korea. Logistic regression models were used to identify risk factors for gallstone and renal stone formation. Results Of 553 patients over a mean 12.1-year duration, 141 (25.4%) patients had gallstones and 35 (6.3%) had renal stones. In multivariate logistic regression analysis, disease duration > 19 years (OR 2.91, 95% CI 1.56–5.44, p < 0.001), prior intestinal BD-related surgery (OR 2.29, 95% CI 1.42–3.68, p < 0.001), and disease activity index for intestinal BD scores ≥ 75 (OR 2.23, 95% CI 1.12–4.45, p = 0.022) were associated with increased gallstone occurrence. A positive correlation was observed between renal stones, disease duration > 19 years (OR 5.61, 95% CI 1.98–15.90, p = 0.001) and frequent hospitalization (> 3 times) (OR 3.29, 95% CI 1.52–7.13, p = 0.002). No significant correlation was observed between gallstone and renal stone occurrence. Conclusions These findings contribute to greater understanding concerning gallstone and renal stone prevalence and associated risk factors in patients with intestinal BD.
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- 2024
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89. Evaluation of Genetic Associations with Clinical Phenotypes of Kidney Stone Disease
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Ryan S. Hsi, Siwei Zhang, Jefferson L. Triozzi, Adriana M. Hung, Yaomin Xu, and Cosmin A. Bejan
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Kidney calculi ,Nephrolithiasis ,Precision phenotyping ,Electronic health records ,Genome-wide association study ,Diseases of the genitourinary system. Urology ,RC870-923 ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Background and objective: Previous studies have reported a strong genetic contribution to kidney stone risk. This study aims to identify genetic associations of kidney stone disease within a large-scale electronic health record system. Methods: We performed genome-wide association studies (GWASs) for nephrolithiasis from genotyped samples of 5571 cases and 83 692 controls. This analysis included a primary GWAS focused on nephrolithiasis and subsequent subgroup GWASs stratified by stone composition types. For significant risk variants, we performed association analyses with stone composition and first-time 24-h urine parameters. To assess disease severity, we investigated the associations with age at first stone diagnosis, age at first stone-related procedure, and time between first and second stone-related procedures. Key findings and limitations: The primary GWAS analysis identified ten significant loci, all located on chromosome 16 within coding regions of the UMOD gene. The strongest signal was rs28544423 (odds ratio 1.17, 95% confidence interval 1.11–1.23, p = 2.7 × 10–9). In subgroup GWASs stratified by six kidney stone composition subtypes, 19 significant loci were identified including two loci in coding regions (brushite; NXPH1, rs79970906 and rs4725104). The UMOD single nucleotide polymorphism rs28544423 was associated with differences in 24-h excretion of urinary analytes, and the minor allele was positively associated with calcium oxalate dihydrate stone composition (p
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- 2024
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90. Changes in metabolic overweight phenotypes over time and risk of nephrolithiasis: a cohort study
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Yang Cheng, Hui Zheng, Hongli Yin, Donghua Yin, Hui Wang, Ying Wang, Qiang Tang, and Shouyong Gu
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Nephrolithiasis ,Metabolic abnormalities ,Overweight ,Prospective cohort study ,Public aspects of medicine ,RA1-1270 - Abstract
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
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- 2024
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91. Interrelations between factors in the development of inflammatory changes in the urinary tract in the comprehensive treatment of patients with urolithiasis
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O. O. Lyulko and V. O. Morhuntsov
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urolithiasis ,rational antibiotic therapy ,infectious-inflammatory process ,microflora ,contact laser lithotrips ,urothelium ,nephrolithiasis ,damage markers ,Medicine - Abstract
The aim of the work is to analyze the scientific literature data on the principles and state of rational antibiotic therapy use according to factors for the development of inflammatory changes in the urinary tract with the identification of the latter in the complex therapy for urolithiasis, taking into account the peculiarities of contact laser lithotripsy. The article presents the results of analytical processing of professional publications on current principles of rational antibiotic therapy in the surgical treatment for urolithiasis, taking into account factors that may influence the development of inflammatory changes in the urinary tract. It has been revealed that there is currently no clear understanding about chances of developing infectious processes during the treatment for urolithiasis of various localization, as well as the advisability and duration of using antibiotics in the comprehensive treatment of the disease. At the same time, antibiotic overuse has resulted in phenomena of resistance, side effects, and a number of other complicating factors needed to be addressed. Conclusions. An analysis of present approaches to antibacterial therapy, considering its rationality at different treatment stages, has been conducted concluding that clear criteria and indicators for the use of drugs have not been specified, but these data serve only as recommendations and have not been thoroughly examined. Data on searching for a solution to problematic aspects are also provided.
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- 2024
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92. Prevalence and related factors of nephrolithiasis among medical staff in Qingdao, China: a retrospective cross-sectional study
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Lei Guo, Lijun Liu, Ying Sun, Li Xue, Xingji Gong, Yue Wang, Wei Jiao, and Haitao Niu
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Prevalence ,Nephrolithiasis ,Medical staff ,Risk factors ,Cross-sectional study ,Diseases of the genitourinary system. Urology ,RC870-923 - Abstract
Abstract Background Certain occupations may predispose individuals to urolithiasis, a multi-factorial disease. The study aimed to evaluate the prevalence and related factors of nephrolithiasis in medical staff in Qingdao, China. Methods Physical examination results of 5115 in-service medical staff aged 22–60 years old were retrospectively analyzed. Multivariable logistic regression analysis and stratified analyses by age and gender were applied to explore the related factors of nephrolithiasis in these medical staff. Results The overall nephrolithiasis prevalence in medical staff in Qingdao, China was 4.65%. Doctors were more prone to nephrolithiasis than nurses (5.63% vs. 3.96%, P = 0.013) and the peak prevalence (6.69%) was observed in medical staff working in the emergency department (ED). Male gender (OR = 1.615, 95% CI = 1.123–2.323, P = 0.010), overweight or obesity (OR = 1.674, 95% CI = 1.266–2.214, P
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- 2024
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93. Nephrolithiasis and Urinary Tract Calculi
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Squires, Judy H., Chaudhry, Rajeev, Miyashita, Yosuke, Sutherland, Richard, Fordham, Lynn Ansley, Medina, L. Santiago, Series Editor, Applegate, Kimberly E., Series Editor, Blackmore, C. Craig, Series Editor, Otero, Hansel J., editor, and Kaplan, Summer L., editor
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- 2024
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94. Spina Bifida
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Fremion, Ellen, Hernandez, Natalia, Khavari, Rose, Stewart, Julie, Tolentino, Jonathan, Kuo, Alice A, editor, Pilapil, Mariecel, editor, DeLaet, David E., editor, Peacock, Cynthia, editor, and Sharma, Niraj, editor
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- 2024
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95. Obstructive Uropathy
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Cardella, John T., Byers, Luke A., Rochon, Paul J., Keefe, Nicole A., editor, Haskal, Ziv J.J, editor, Park, Auh Whan, editor, and Angle, John F., editor
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- 2024
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96. Changes Post Percutaneous Nephrolithotomy (KUB)
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Walid Atef Abdulmonem Abdulhafez, Assistant lecturer
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- 2023
97. Better Lithotripsy and Ureteroscopy Evaluation of Stenting (BLUES) (BLUES)
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Coloplast A/S and Khurshid Ghani, Associate Professor of Urology
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- 2023
98. Apply Machine Learning to the Interpretation of Urinary Crystal Morphology.
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Yi-Shiou Tseng, Attending physician
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- 2023
99. Ambulatory Versus Inpatient Percutaneous Nephrolithotomy
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Queen's University
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- 2023
100. Postoperative Outcomes of PCNL vs RIRS in Obese Patients With Pelvic 1.5:3 cm Renal Stones (PCNL VS RIRS)
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Helwan University and bassem metwally, Principal Investigator
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- 2023
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