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High urine calcium

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https://www.readbyqxmd.com/read/28882031/a-multiregional-italian-cohort-of-24-hour-urine-metabolic-evaluation-in-renal-stone-formers
#1
Francesco Esperto, Martino Marangella, Alberto Trinchieri, Michele Petrarulo, Roberto Miano
BACKGROUND: Nephrolithiasis is a common condition with several studies documenting an increased prevalence over the past four decades. EAU and AUA guidelines recommend 24-hour urine metabolic evaluation in high-risk stone formers. Aim of this study is to retrospectively evaluate the first three years of experience with Lithotest® (Biohealth Italia Srl, Turin, Italy) through the analysis of demographic, clinical and biochemical data collected from a large cohort of patients with kidney stones...
September 7, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28822553/vitamin-d-status-in-growing-dairy-goats-and-sheep-influence-of-ultraviolet-b-radiation-on-bone-metabolism-and-calcium-homeostasis
#2
M V Nemeth, M R Wilkens, A Liesegang
The aim of this study was to investigate how controlled UVB irradiation in combination with reduced nutritional vitamin D (vitD) supply affects vitD status and Ca metabolism of growing goats and sheep. The hypothesis was that, like dairy cows, goats and sheep are able to compensate for the missing nutritional supply of vitD through endogenous production in the skin, with the consequence of a high vitD status and a balanced Ca homeostasis. Sixteen lambs and 14 goat kids aged 3 and a half months were housed in an UVB free environment and fed hay and a vitD-free concentrate over a period of 13 wk...
August 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28810891/the-variation-in-urinary-calcium-levels-in-adult-patients-with-fracture-and-surgical-intervention
#3
Junfei Wang, Xin Zheng, Liming Zhang, Yifan Zhang, Jin Xiong, Yixin Cheng, Hongfei Shi, Xusheng Qiu, Leqin Zhou, Xizhao Sun
BACKGROUND: Generally, a higher calcium diet is fed to fracture patients after surgery. However, recent studies have indicated that higher dietary calcium intakes increase the risk of urinary stones for fracture patients. Therefore, this study aimed to observe the variation in urinary calcium levels among fracture patients who underwent surgery, based on fracture type, fracture location, age and gender. METHODS: A total of 768 subjects were enrolled in this study from 2012 to 2015 and were divided into 2 groups: group A (fracture patients who underwent surgery) and group B (normal patients without fracture)...
August 15, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28750036/generation-and-phenotypic-characterization-of-pde1a-mutant-mice
#4
Xiaofang Wang, Satsuki Yamada, Wells B LaRiviere, Hong Ye, Jason L Bakeberg, María V Irazabal, Fouad T Chebib, Jan van Deursen, Peter C Harris, Caroline R Sussman, Atta Behfar, Christopher J Ward, Vicente E Torres
It has been proposed that a reduction in intracellular calcium causes an increase in intracellular cAMP and PKA activity through stimulation of calcium inhibitable adenylyl cyclase 6 and inhibition of phosphodiesterase 1 (PDE1), the main enzymes generating and degrading cAMP in the distal nephron and collecting duct, thus contributing to the development and progression of autosomal dominant polycystic kidney disease (ADPKD). In zebrafish pde1a depletion aggravates and overexpression ameliorates the cystic phenotype...
2017: PloS One
https://www.readbyqxmd.com/read/28728874/profile-of-chronic-kidney-disease-related-mineral-bone-disorders-in-newly-diagnosed-advanced-predialysis-diabetic-kidney-disease-patients-a-hospital-based-cross-sectional-study
#5
S Ray, A M Beatrice, A Ghosh, S Pramanik, R Bhattacharjee, S Ghosh, A Raychaudhury, S Mukhopadhyay, S Chowdhury
AIM: Chronic kidney disease related-mineral bone disorder (CKD-MBD) has been poorly studied in pre-dialysis Indian CKD population. There are limited data on the pattern of these disturbances in diabetic CKD patients. Therefore, a study was conducted to find out the profile of mineral bone disorders in T2DM patients with pre-dialysis CKD. METHODS: In this cross-sectional design, diabetic patients with newly-diagnosed stage 4 and 5 CKD were evaluated. Serum levels of calcium, phosphorus, intact parathyroid hormone (iPTH), 25 hydroxy vitamin D and total alkaline phosphatase (ALP) were measured in all patients...
July 8, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28723285/case-244-systemic-amyloidosis-a-complication-of-waldenstr%C3%A3-m-macroglobulinemia
#6
Maja Hrabak-Paar, Marko Kralik
History A 68-year-old man was admitted to the hospital for work-up because of generalized fatigue, anorexia, chronic diarrhea, and weight loss. Laboratory work-up revealed an erythrocyte sedimentation rate of 58 mm/h (reference range, 3-23 mm/h), a hemoglobin level of 14.1 g/dL (reference range, 13.8-17.5 g/dL), a leukocyte count of 8.1 × 10(9)/L (reference range, [3.4-9.7] × 10(9)/L), a platelet count of 223 × 10(9)/L (reference range, [158-424] × 10(9)/L), an alkaline phosphatase level of 85 U/L (1.42 μkat/L) (normal level, <142 U/L [2...
August 2017: Radiology
https://www.readbyqxmd.com/read/28720369/metabolic-work-up-of-patients-with-urolithiasis-indications-and-diagnostic-algorithm
#7
REVIEW
Hans-Göran Tiselius, Michel Daudon, Kay Thomas, Christian Seitz
CONTEXT: The incidence of urinary tract stone disease is increasing and the risk of recurrent stone formation is high. Appropriate therapeutic procedures with the aim of counteracting the progress of stone formation are highly desirable. Metabolic work-up is considered essential as a base for optimal design and follow-up of effective recurrence prevention. OBJECTIVE: To scrutinize the current literature with regard to principles of metabolic work-up for this heterogeneous group of patients...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28670670/therapeutic-effects-of-aqueous-extracts-of-cerasus-avium-stem-on-ethylene-glycol-induced-kidney-calculi-in-rats
#8
Ehsaneh Azaryan, Mohammad Malekaneh, Maryam Shemshadi Nejad, Fatemeh Haghighi
PURPOSE: To investigate the therapeutic effects of the aqueous extract of Cerasus Avium stem on kidney calculi. MATERIALS AND METHODS: In this experimental study, forty-eight (48) male Wistar rats were randomly allocated into six (6) groups and were studied during a 30 day period. Group A served as normal control and Group B received 1% ethylene glycol in drinking water (EG group). C, D, E, and F Groups, received 1% ethylene glycol from day 1 and were used as prevention and treatment subjects...
July 2, 2017: Urology Journal
https://www.readbyqxmd.com/read/28555925/functional-severity-of-clcnkb-mutations-correlates-with-phenotypes-in-patients-with-classic-bartter-s-syndrome
#9
Chih-Jen Cheng, Yi-Fen Lo, Jen-Chi Chen, Chou-Long Huang, Shih-Hua Lin
KEY POINTS: The highly variable phenotypes observed in patients with classic Bartter's syndrome (BS) remain unsatisfactorily explained. The wide spectrum of functional severity of CLCNKB mutations may contribute to the phenotypic variability, and the genotype-phenotype association has not been established. Low-level expression of the human ClC-Kb channel in mammalian cells impedes the functional study of CLCNKB mutations, and the underlying cause is still unclear. The human ClC-Kb channel is highly degraded by proteasome in human embryonic kidney cells...
August 15, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28550437/hyperoxaluria-in-a-model-of-mini-gastric-bypass-surgery-in-rats
#10
Milene S Ormanji, Fernando Korkes, Renata Meca, Crysthiane S R A Ishiy, Gustavo H C Finotti, Renato R N Ferraz, Ita P Heilberg
BACKGROUND: Bariatric surgery is associated with hyperoxaluria hence predisposing to nephrolithiasis. The present study aimed to investigate the underlying mechanisms contributing to increased urinary oxalate in a mini-gastric bypass (MGB) surgery model in rats under different dietary conditions. The expression of intestinal oxalate transporters was also evaluated. METHODS: Male rats underwent MGB (n = 21) or Sham procedure (n = 21) and after recovery were fed a standard or high-fat diet with or without oxalate for 8 weeks...
May 26, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28546877/amino-acid-medical-foods-provide-a-high-dietary-acid-load-and-increase-urinary-excretion-of-renal-net-acid-calcium-and-magnesium-compared-with-glycomacropeptide-medical-foods-in-phenylketonuria
#11
Bridget M Stroup, Emily A Sawin, Sangita G Murali, Neil Binkley, Karen E Hansen, Denise M Ney
Background. Skeletal fragility is a complication of phenylketonuria (PKU). A diet containing amino acids compared with glycomacropeptide reduces bone size and strength in mice. Objective. We tested the hypothesis that amino acid medical foods (AA-MF) provide a high dietary acid load, subsequently increasing urinary excretion of renal net acid, calcium, and magnesium, compared to glycomacropeptide medical foods (GMP-MF). Design. In a crossover design, 8 participants with PKU (16-35 y) provided food records and 24-hr urine samples after consuming a low-Phe diet in combination with AA-MF and GMP-MF for 1-3 wks...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28542241/signification-of-distal-urinary-acidification-defects-in-hypocitraturic-patients
#12
Valentina Forni Ogna, Anne Blanchard, Rosa Vargas-Poussou, Adam Ogna, Stéphanie Baron, Jean-Philippe Bertocchio, Caroline Prot-Bertoye, Jérôme Nevoux, Julie Dubourg, Gérard Maruani, Margarida Mendes, Alejandro Garcia-Castaño, Cyrielle Treard, Nelly Lepottier, Pascal Houillier, Marie Courbebaisse
BACKGROUND AND OBJECTIVES: Hypocitraturia has been associated with metabolic acidosis and mineral disorders. The aim of this study was to investigate the occurrence of urinary acidification defects underlying hypocitraturia. MATERIALS AND METHODS: This retrospective observational study included 67 patients (32 men), aged 40.7±15.1 years with hypocitraturia (<1.67 mmol/24-h) and nephrolithiasis, nephrocalcinosis, and/or bone demineralization, referred to our center from 2000 to 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28529700/effect-of-citrus-based-products-on-urine-profile-a-systematic-review-and-meta-analysis
#13
Fakhri Rahman, Ponco Birowo, Indah S Widyahening, Nur Rasyid
Background. Urolithiasis is a disease with high recurrence rate, 30-50% within 5 years. The aim of the present study was to learn the effects of citrus-based products on the urine profile in healthy persons and people with urolithiasis compared to control diet and potassium citrate.  Methods. A systematic review was performed, which included interventional, prospective observational and retrospective studies, comparing citrus-based therapy with standard diet therapy, mineral water, or potassium citrate. A literature search was conducted using PUBMED, COCHRANE, and Google Scholar with "citrus or lemonade or orange or grapefruit or lime or juice" and "urolithiasis" as search terms...
2017: F1000Research
https://www.readbyqxmd.com/read/28494178/suicide-attempt-with-self-made-taxus-baccata-leaf-capsules-survival-following-the-application-of-extracorporeal-membrane-oxygenation-for-ventricular-arrythmia-and-refractory-cardiogenic-shock
#14
Fanny Vardon Bounes, Elsa Tardif, Stéphanie Ruiz, Jean-Christophe Gallart, Jean-Marie Conil, Clément Delmas
CONTEXT: Yew intoxication has been known for many years; high dose ingestion of Taxus baccata leads to cardiac toxicity mediated by calcium and sodium channel blocking properties. We present a case report of a patient who attempted suicide after T. baccata ingestion, causing refractory cardiogenic shock requiring temporary circulatory assistance by veno-arterial extra corporeal membrane oxygenation (VA ECMO). CASE DETAILS: A 28-year-old man was admitted to the critical care unit of a university hospital for arrhythmia after ingestion of self-made T...
September 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28460910/organic-acids-in-kakadu-plum-terminalia-ferdinandiana-the-good-ellagic-the-bad-oxalic-and-the-uncertain-ascorbic
#15
David J Williams, David Edwards, Sharon Pun, Mridusmita Chaliha, Brian Burren, Ujang Tinggi, Yasmina Sultanbawa
The phenolic ellagic acid (EA) is receiving increasing attention for its nutritional and pharmacological potential as an antioxidant and antimicrobial agent. The Australian native Kakadu plum (Terminalia ferdinandiana) fruit is an abundant source of this phytochemical. The fruit also contains large amounts of vitamin C (mainly as ascorbic acid, AA) and possibly the undesirable oxalic acid (OA). Regular consumption of high oxalate foods poses a variety of health risks in humans including interference with calcium absorption and kidney stone formation...
November 2016: Food Research International
https://www.readbyqxmd.com/read/28458168/a-rapid-method-for-estimation-of-pu-isotopes-in-urine-samples-using-high-volume-centrifuge
#16
Ranjeet Kumar, D D Rao, Rupali Dubla, J R Yadav
The conventional radio-analytical technique used for estimation of Pu-isotopes in urine samples involves anion exchange/TEVA column separation followed by alpha spectrometry. This sequence of analysis consumes nearly 3-4 days for completion. Many a times excreta analysis results are required urgently, particularly under repeat and incidental/emergency situations. Therefore, there is need to reduce the analysis time for the estimation of Pu-isotopes in bioassay samples. This paper gives the details of standardization of a rapid method for estimation of Pu-isotopes in urine samples using multi-purpose centrifuge, TEVA resin followed by alpha spectrometry...
July 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28446830/bryophyllum-pinnatum-leaf-extracts-prevent-formation-of-renal-calculi-in-lithiatic-rats
#17
Mahendra Yadav, Vijay D Gulkari, Manish M Wanjari
BACKGROUND: Bryophyllum pinnatum, commonly known as Pattharcaṭṭa, is used traditionally in ethnomedicinal practices for the treatment of kidney stone and urinary insufficiency. AIM: The present study evaluated the effect of Bryophyllum pinnatum on ethylene glycol (EG)-induced renal calculi in rats. MATERIALS AND METHODS: Renal calculi were induced in rats by administration of 0.75% EG in drinking water and co-treated orally with standard drug, Cystone (750 mg/kg), or alcoholic and hydro-alcoholic extracts in doses of 100, 200 and 400 mg/kg for 28 days...
October 2016: Ancient Science of Life
https://www.readbyqxmd.com/read/28443950/chronic-kidney-disease-determinants-of-progression-and-cardiovascular-risk-progredir-cohort-study-design-and-methods
#18
Maria Alice Muniz Domingos, Alessandra Carvalho Goulart, Paulo Andrade Lotufo, Isabela Judith Martins Benseñor, Silvia Maria de Oliveira Titan
CONTEXT AND OBJECTIVE: Chronic kidney disease (CKD) has become an important public health issue. The socioeconomic burden of renal replacement therapy (RRT) is very high, as is CKD-related cardiovascular mortality and morbidity. Preventive and therapeutic measures only have modest impact and more research is needed. Few cohort studies have been conducted on populations with CKD. Our aim was to establish a cohort that would include more advanced forms of CKD (stages 3 and 4). Data collection was focused on renal and cardiovascular parameters...
March 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28435765/chronic-nephropathy-from-dietary-hyperoxaluria-sustained-improvement-of-renal-function-after-dietary-intervention
#19
Yijuan Sun, Bruce L Horowitz, Karen S Servilla, Joanna R Fair, Darlene Vigil, Kavitha Ganta, Larry Massie, Antonios H Tzamaloukas
A 56-year-old man with stable chronic kidney disease (CKD) for two years following a single episode of calcium oxalate urolithiasis developed progressive elevation of his serum creatinine concentration. Urinalysis revealed pyuria and white cell casts, a few red blood cells, minimal proteinuria, and no crystals. Urine culture was sterile. Gallium scintigraphy was consistent with interstitial nephritis. Proton pump inhibitor intake was discontinued, and a short course of oral corticosteroids was initiated. Percutaneous kidney biopsy, performed because of the continued deterioration of renal function to a minimum estimated glomerular filtration rate (eGFR) value of 15 mL/min per 1...
March 20, 2017: Curēus
https://www.readbyqxmd.com/read/28427913/predicting-the-stone-composition-of-children-preoperatively-by-hounsfield-unit-detection-on-non-contrast-computed-tomography
#20
Mesut Altan, Burak Çitamak, Ali Cansu Bozaci, Altan Güneş, Hasan Serkan Doğan, Mithat Haliloğlu, Serdar Tekgül
INTRODUCTION: Many studies have been performed on adult patients to reveal the relationship between Hounsfield unit (HU) value and composition of stone, but none have focused on childhood. OBJECTIVE: We aimed to predict stone composition by HU properties in pre-intervention non-contrast computed tomography (NCCT) in children. This could help to orient patients towards more successful interventions. MATERIALS AND METHODS: Data of 94 children, whose pre-intervention NCCT and post-interventional stone analysis were available were included...
March 31, 2017: Journal of Pediatric Urology
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