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Kidney stone analysis

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https://www.readbyqxmd.com/read/28208537/re-hypercalcemia-hypercalciuria-and-kidney-stones-in-long-term-studies-of-vitamin-d-supplementation-a-systematic-review-and-meta-analysis
#1
Dean G Assimos
No abstract text is available yet for this article.
March 2017: Journal of Urology
https://www.readbyqxmd.com/read/28188435/marked-increase-in-urinary-excretion-of-apolipoproteins-in-children-with-nephrolithiasis-associated-with-hypercalciuria
#2
Larisa Kovacevic, Hong Lu, Joseph A Caruso, Tuhina Govil-Dalela, Ronald Thomas, Yegappan Lakshmanan
BACKGROUND: Using a proteomic approach, we aimed to identify and compare the urinary excretion of proteins involved in lipid transport and metabolism in children with kidney stones and hypercalciuria (CAL), hypocitraturia (CIT), and normal metabolic work-up (NM), and in healthy controls (HCs). Additionally, we aimed to confirm these results using ELISA, and to examine the relationship between the urinary excretion of selected proteins with demographic, dietary, blood, and urinary parameters...
February 10, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28169121/-percutaneous-nephrolithotomy-for-kidney-stones-in-elderly-patients-meta-analysis-of-results-and-complications
#3
R Haider, P Regnier, F-R Roustan, F Séverac, P-J Treacy, L Mendel, Y Bodokh, B Tibi, R Prader, O Traxer, D Chevallier, J Amiel, M Durand
INTRODUCTION AND OBJECTIVE: Percutaneous nephrolithotomy (PCNL) is the gold standard treatment for kidney stones regardless of age. Elderly patients (EP)≥65years old, in growing numbers, have more comorbidities than the general population, may alter results of PCNL. The aim of this meta-analysis was to compare efficacy and complications of this procedure between EP and young patients (YP). METHODS: Original studies of prospective and historical cohorts, in English or French, presenting PCNL series published on PubMed until 2015 were identified using the keywords percutaneous nephrolithotomy, elderly patients, kidney stones and staghorn calculi...
February 3, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28152527/effect-of-obesity-on-outcomes-of-percutaneous-nephrolithotomy-in-renal-stone-management-a-systematic-review-and-meta-analysis
#4
Xiangjun Zhou, Xinbo Sun, Xuhua Chen, Xiaoxin Gong, Yong Yang, Congbo Chen, Qisheng Yao
BACKGROUND: Percutaneous nephrolithotomy (PCNL) has been widely used to treat renal stones. The application of PCNL in obese patients results in the emergence of a number of challenges. This study compared the effect of obesity on the outcomes of PCNL in kidney stone treatment. METHODS: Eligible studies were searched in PubMed, Web of Science, and Cochrane Library databases. Data were analyzed using RevMan statistical software, weighted mean differences, ORs, and 95% CIs were calculated...
February 3, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28149686/history-of-kidney-stones-and-risk-of-chronic-kidney-disease-a-meta-analysis
#5
Weifeng Shang, Lixi Li, Yali Ren, Qiangqiang Ge, Ming Ku, Shuwang Ge, Gang Xu
BACKGROUND: Although the relationship between a history of kidney stones and chronic kidney disease (CKD) has been explored in many studies, it is still far from being well understood. Thus, we conducted a meta-analysis of studies comparing rates of CKD in patients with a history of kidney stones. METHODS: PubMed, EMBASE, and the reference lists of relevant articles were searched to identify observational studies related to the topic. A random-effects model was used to combine the study-specific risk estimates...
2017: PeerJ
https://www.readbyqxmd.com/read/28139722/prevalence-of-kidney-stones-in-mainland-china-a-systematic-review
#6
Wenying Wang, Jingyuan Fan, Guifeng Huang, Jun Li, Xi Zhu, Ye Tian, Li Su
The data on the prevalence of kidney stones in mainland China are still lacking. We performed the present meta-analysis to assess the stone prevalence in mainland China from 1990 through 2016. A total of 18 articles were included. The pooled overall prevalence was 7.54% (95% CI, 5.94-9.15). The prevalence in age groups of <20 years, 20-29 years, 30-39 years, 40-49 years, 50-59 years, and 60 years and older was 0.27%, 3.15%, 5.96%, 8.18%, 9.14%, and 9.68%, respectively, showing that it increased with age...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28139077/systematic-review-and-meta-analysis-of-the-diagnostic-accuracy-of-low-dose-computed-tomography-of-the-kidneys-ureters-and-bladder-for-urolithiasis
#7
REVIEW
Hao Xiang, Michael Chan, Victoria Brown, Ya Ruth Huo, Lewis Chan, Lloyd Ridley
Renal colic is a common clinical condition which is often investigated with a CT of the kidneys, ureters and bladder (CTKUB). Recent technological improvements have allowed a reduction in dose with the emergence of low-dose CTKUB (LD-CTKUB) techniques. The present meta-analysis aims to determine the diagnostic accuracy of LD-CTKUB in the diagnosis of clinically significant uroliths. A systematic review was performed using nine electronic databases from their dates of inception to May 2016. Inclusion criteria included studies reporting comparative outcomes using LD-CTKUB with a dose less than 3 millisieverts compared to an imaging gold standard or clinical and surgical evaluation...
January 31, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28130156/kidney-stone-nano-structure-is-there-an-opportunity-for-nanomedicine-development
#8
N Vordos, S Giannakopoulos, D A Gkika, J W Nolan, Ch Kalaitzis, D V Bandekas, C Kontogoulidou, A Ch Mitropoulos, S Touloupidis
BACKGROUND: Kidney stone analysis techniques are well-established in the field of materials characterization and provide information for the chemical composition and structure of a sample. Nanomedicine, on the other hand, is a field with an increasing rate of scientific research, a big budget and increasingly developing market. The key scientific question is if there is a possibility for the development of a nanomedicine to treat kidney stones. MAJOR CONCLUSIONS: The main calculi characterization techniques such as X-ray Diffraction and Fourier Transform Infrared Spectroscopy can provide information about the composition of a kidney stone but not for its nanostructure...
January 24, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28111301/temporal-changes-in-kidney-stone-composition-and-in-risk-factors-predisposing-to-stone-formation
#9
Li Hao Richie Xu, Beverley Adams-Huet, John R Poindexter, Naim M Maalouf, Orson W Moe, Khashayar Sakhaee
PURPOSE: The prevalence of kidney stones has increased globally in recent decades. However, studies investigating the association between temporal changes in risk of stone formation and stone types are scarce. We investigated temporal changes in stone composition, demographic, serum and urinary parameters of kidney stone formers from 1980-2015. MATERIALS AND METHODS: Retrospective analysis of 1516 patients diagnosed with either calcium or uric acid stones at initial visits in a university kidney stone clinic from 1980-2015...
January 20, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28104420/use-of-a-novel-flexible-mini-nephroscope-in-minimally-invasive-percutaneous-nephrolithotomy
#10
Dilip Kumar Mishra, Madhu Sudan Agrawal
OBJECTIVE: To assess the feasibility and safety of a novel flexible mini-nephroscope in minimally-invasive PCNL. Presumably, limiting the size and number of tracts during percutaneous-nephrolithotomy(PCNL) has the potential of decreasing the morbidity of the procedure. We present our experience with, this new technique. METHODS: A retrospective analysis of patients with multiple kidney stones treated with mini-PCNL combined with a novel flexible mini-nephroscope was performed...
January 16, 2017: Urology
https://www.readbyqxmd.com/read/28101159/clinical-effects-of-furl-and-pcnl-with-holmium-laser-for-the-treatment-of-kidney-stones
#11
Zhi-Gang Li, Yan Zhao, Tao Fan, Lin Hao, Cong-Hui Han, Guang-Hui Zang
In the present study, the clinical effects of flexible ureteroscopy lithotripsy (FURL) and percutaneous nephrolithotomy (PCNL) for the treatment of kidney stones of ≤2 cm was studied. Seventy-two patients with kidney stones were randomly divided into the FURL group (n=39) under ureteroscope lithotripsy with holmium laser and PCNL group (n=33) under PCNL with holmium laser and compared their clinical effects. At 3 months after the operation, the stone removal rate of the FURL group was significantly higher than that of the PCNL group...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28070668/what-happens-to-asymptomatic-lower-pole-kidney-stones-smaller-than-10%C3%A2-mm-in-children-during-watchful-waiting
#12
Onur Telli, Nurullah Hamidi, Uygar Bagci, Arif Demirbas, Ahmet Metin Hascicek, Tarkan Soygur, Berk Burgu
BACKGROUND: The optimal management of lower pole kidney (LPK) stones in children is controversial. The aim of this study was to determine the outcomes of children with asymptomatic isolated LPK stones smaller than 10 mm during follow-up. METHODS: A total of 242 patients with 284 stones presenting at our institution between June 2004 and December 2014 with an asymptomatic, single LPK stone with a diameter of <10 mm were enrolled in the study. All children were assigned to receive first-line therapy and then categorized according to the need for medical intervention...
January 9, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28063842/relationship-between-urinary-calcium-and-bone-mineral-density-in-patients-with-calcium-nephrolithiasis
#13
Khashayar Sakhaee, Naim M Maalouf, John Poindexter, Beverley Adams-Huet, Orson W Moe
BACKGROUND: Calcium nephrolithiasis is associated with an increased risk of osteoporosis and fracture. Hypercalciuria has been assumed to be pathogenic for bone loss in kidney stone formers (KSF), although this association was shown in small cross-sectional studies. We explored the association of urine calcium (UCaV) with bone mineral density (BMD) in KSF. METHODS: We retrospectively studied BMD in KSF. Excluded were subjects with hypercalcemia, chronic bowel disease, primary hyperparathyroidism, distal renal tubular acidosis or endogenous creatinine clearance <40 ml/min...
January 4, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28058231/incidence-of-kidney-stones-in-kidney-transplant-recipients-a-systematic-review-and-meta-analysis
#14
Wisit Cheungpasitporn, Charat Thongprayoon, Michael A Mao, Wonngarm Kittanamongkolchai, Insara J Jaffer Sathick, Tsering Dhondup, Stephen B Erickson
AIM: To evaluate the incidence and characteristics of kidney stones in kidney transplant recipients. METHODS: A literature search was performed using MEDLINE, EMBASE, and Cochrane Database of Systematic Reviews from the inception of the databases through March 2016. Studies assessing the incidence of kidney stones in kidney transplant recipients were included. We applied a random-effects model to estimate the incidence of kidney stones. RESULTS: Twenty one studies with 64416 kidney transplant patients were included in the analyses to assess the incidence of kidney stones after kidney transplantation...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28057990/predictors-of-systemic-inflammatory-response-syndrome-following-percutaneous-nephrolithotomy
#15
Karunamoorthy Ramaraju, Arun Kumar Paranjothi, Dhinakar Babu Namperumalsamy, Ilamparuthi Chennakrishnan
INTRODUCTION AND OBJECTIVES: Sepsis remains one of the dreaded complications of percutaneous nephrolithotomy (PCNL). To analyze prospectively the preoperative and intraoperative factors that predict the occurrence of systemic inflammatory response syndrome (SIRS) in patients undergoing PCNL so that we can aggressively manage those patients from the preoperative period itself and avert the dangerous complications. MATERIALS AND METHODS: A prospective study was carried out between August 2012 and March 2013 including all patients who underwent PCNL...
October 2016: Urology Annals
https://www.readbyqxmd.com/read/28056318/-clinical-characteristics-of-adult-onset-primary-hypoparathyroidism-a-retrospective-analysis-of-200-cases
#16
T T Quan, Y P Li, O Wang, Y Jiang, W B Xia, M Li, X Q Cheng, X W Meng, X P Xing
Objective: To study the clinical characteristics of primary hypoparathyroidism in adults. Methods: The clinical data of 200 cases with adult-onset primary hypoparathyroidism in Peking Union Medical College Hospital during December 1987 to December 2015 were collected and analyzed retrospectively. Among them, 128 cases were followed up for a median period of 3 years. Results: The major manifestations at their first visits were tetany and numbness in the distal extremities(81.5%, 163/200 and 62.0%, 124/200). Thirty-two percent of the cases (62 cases) had history of seizures, and 60...
January 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28052698/variation-coefficient-of-stone-density-a-novel-predictor-of-the-outcome-of-extracorporeal-shockwave-lithotripsy
#17
Shimpei Yamashita, Yasuo Kohjimoto, Takashi Iguchi, Satoshi Nishizawa, Akinori Iba, Kazuro Kikkawa, Isao Hara
OBJECTIVES: Although previous studies have indicated that stone heterogeneity can affect shock wave lithotripsy outcomes, there is no established measurement of stone heterogeneity on computed tomography imagery. We investigated whether variation coefficient of stone density can predict shock wave success. MATERIALS AND METHODS: We conducted a retrospective review of 245 patients with urinary calculi who had undergone shock wave lithotripsy. We compared the predictive powers of treatment success between variation coefficient of stone density and other parameters associated with computed tomography attenuation...
January 4, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28046001/the-diagnosis-and-management-of-patients-with-renal-colic-across-a-sample-of-us-hospitals-high-ct-utilization-despite-low-rates-of-admission-and-inpatient-urologic-intervention
#18
Elizabeth M Schoenfeld, Penelope S Pekow, Meng-Shiou Shieh, Charles D Scales, Tara Lagu, Peter K Lindenauer
OBJECTIVES: Symptomatic ureterolithiasis (renal colic) is a common Emergency Department (ED) complaint. Variation in practice surrounding the diagnosis and management of suspected renal colic could have substantial implications for both quality and cost of care as well as patient radiation burden. Previous literature has suggested that CT scanning has increased with no improvements in outcome, owing at least partially to the spontaneous passage of kidney stones in the majority of patients...
2017: PloS One
https://www.readbyqxmd.com/read/28011229/differential-colony-size-cell-length-and-cellular-proteome-of-escherichia-coli-isolated-from-urine-vs-stone-nidus-of-kidney-stone-patients
#19
Ratree Tavichakorntrakool, Patcharee Boonsiri, Vitoon Prasongwatana, Aroonlug Lulitanond, Chaisiri Wongkham, Visith Thongboonkerd
BACKGROUND: Escherichia coli is associated with kidney stone disease, as a cause or an effect (secondary or recurrent urinary tract infection, UTI). Defining phenotypic or functional differences between E. coli inside stone nidus (ECS, associated with infection-induced stone) and outside the stone (i.e. from urine) (ECU, represented secondary infection) would be helpful to better understand bacterial involvement in this disease. METHODS: ECS and ECU were isolated from 100 stone formers and subjected to antimicrobial susceptibility test, ERIC-PCR genotyping, determination of biofilm formation, bacterial colony size on agar plate and cell length in broth, 2-DE, nanoLC-MS/MS, protein network analysis, and pyruvate dehydrogenase (PDH) activity assay...
December 21, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27994857/adenine-phosphoribosyltransferase-deficiency-in-the-united-kingdom-two-novel-mutations-and-a-cross-sectional-survey
#20
Gowrie S Balasubramaniam, Monica Arenas-Hernandez, Emilia Escuredo, Lynette Fairbanks, Tony Marinaki, Sarah Mapplebeck, Michael Sheaff, Michael K Almond
BACKGROUND: Adenine phosphoribosyltransferase deficiency is an inborn error of metabolism that can cause kidney disease from crystalline nephropathy or kidney stones. METHODS: We present three cases from a single centre with varied presentations to illustrate how increasing awareness led to better patient identification. We then undertook a cross-sectional survey of all the patients identified from the Purine Research Laboratory in the UK since 1974. RESULTS: Our index case presented with recurrent nephrolithiasis and was diagnosed on stone analysis, the second case presented with acute kidney injury and the third case was identified from a biopsy undertaken for acute on chronic kidney injury...
December 2016: Clinical Kidney Journal
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