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https://www.readbyqxmd.com/read/28427913/predicting-the-stone-composition-of-children-preoperatively-by-hounsfield-unit-detection-on-non-contrast-computed-tomography
#1
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
https://www.readbyqxmd.com/read/28423995/harvesting-nutrients-from-source-separated-urine-using-powdered-rice-straw
#2
Shervin Hashemi, Mooyoung Han
As a principle of resource-oriented sanitation practice, urine should be separated from the source and utilized for other purposes such as producing fertilizer. This is because urine is rich in nutrients; therefore, sending it directly to wastewater treatment plants causes problems in the regular treatment process. The addition of solid additives such as powdered rice straw can help with harvesting nutrients from urine. In this study, the procedure and efficiency of using powdered rice straw for nutrient harvesting were investigated by tracking the reductions in ammonia, phosphate, magnesium, and calcium ions, and the harvested nutrients were identified using crystallography methods...
April 20, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28422036/physicochemical-factors-of-the-urine-of-children-with-hypercalciuria
#3
Mercedes Ubetagoyena-Arrieta, Jorge Martínez Sáenz de Jubera, María Nieves Corera-Casty, Eduardo González Pérez-Yarza, Irati García-Albizua
OBJECTIVE: Hypercalciuria is a common lithogenic risk factor. The aim of this study was, first, to study the characteristics of urine biochemical factors of children with hypercalciuria (HC) and compare them with those of children without hypercalciuria. Second, to analyze the differences between children with HC and lithiasis (HCL) and children with HC and no lithiasis (HCNL). METHODS: The sample was composed by 111 cases with HC, divided into 2 groups: HCNL group, consisting of 93 cases with no personal history of kidney stones, and HCL group, 18 cases with personal history of kidney stones...
April 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28416732/prevalence-of-kidney-stones-and-associated-risk-factors-in-the-shunyi-district-of-beijing
#4
Y G Jiang, L H He, G T Luo, X D Zhang
INTRODUCTION: Kidney stone formation is a multifactorial condition that involves interaction of environmental and genetic factors. Presence of kidney stones is strongly related to other diseases, which may result in a heavy economic and social burden. Clinical data on the prevalence and influencing factors in kidney stone disease in the north of China are scarce. In this study, we explored the prevalence of kidney stone and potentially associated risk factors in the Shunyi District of Beijing, China...
April 18, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28407138/calcium-and-bone-turnover-markers-in-acromegaly-a-prospective-controlled-study
#5
Tina Constantin, Vin Tangpricha, Reshma Shah, Nelson M Oyesiku, Octavian C Ioachimescu, James Ritchie, Adriana G Ioachimescu
Context: Acromegaly has been associated with calcium-phosphate and bone turnover alterations. Controlled studies of these interactions are sparse. Objective: To evaluate calcium and bone metabolism in active and treated acromegaly. Design/Setting/Patients: We conducted a controlled prospective study at a tertiary referral center. We studied 22 patients with acromegaly referred for surgical or medical therapy (ACM) and 22 with nonfunctioning pituitary adenomas referred for surgery (control)...
April 12, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28402956/elevated-dietary-magnesium-during-pregnancy-and-postnatal-life-prevents-ectopic-mineralization-in-enpp1asj-mice-a-model-for-generalized-arterial-calcification-of-infancy
#6
Joshua Kingman, Jouni Uitto, Qiaoli Li
Generalized arterial calcification of infancy (GACI) is an autosomal recessive disorder caused by mutations in the ENPP1 gene. It is characterized by mineralization of the arterial blood vessels, often diagnosed prenatally, and associated with death in early childhood. There is no effective treatment for this devastating disorder. We previously characterized the Enpp1asjmutant mouse as a model of GACI, and we have now explored the effect of elevated dietary magnesium (five-fold) in pregnant mothers and continuing for the first 14 weeks of postnatal life...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28391546/association-among-prematurity-30%C3%A2-weeks-gestational-age-blood-pressure-urinary-albumin-calcium-and-phosphate-in-early-childhood
#7
Namrata Vashishta, Vidya Surapaneni, Sanjay Chawla, Gaurav Kapur, Girija Natarajan
BACKGROUND: There is a paucity of data on blood pressures (BP), urinary albumin, and mineral excretion in early childhood in contemporary cohorts of extremely low gestational age (GA) neonates. Our aim was to compare BPs and the urinary excretion of albumin, calcium, and phosphate in preterm and term-born cohorts in early childhood. METHODS: This was a prospective observational study conducted at a single center, involving children <5 years age, born preterm (GA <30 weeks) or at term (≥37 weeks' GA)...
April 8, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28388724/thiazide-treatment-in-primary-hyperparathyroidism-a-new-indication-for-an-old-medication
#8
Gloria Tsvetov, Dania Hirsch, Ilan Shimon, Carlos Benbassat, Hiba Masri-Iraqi, Alexander Gorshtein, Dana Herzberg, Tzippy Shochat, Ilana Shraga-Slutzky, Talia Diker-Cohen
Context: There is no therapy for control of hypercalciuria in nonoperable patients with primary hyperparathyroidism (PHPT). Thiazides are used for idiopathic hypercalciuria but are avoided in PHPT to prevent exacerbating hypercalcemia. Nevertheless, several reports suggested that thiazides may be safe in patients with PHPT. Objective: To test the safety and efficacy of thiazides in PHPT. Design: Retrospective analysis of medical records. Setting: Endocrine clinic at a tertiary hospital...
April 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28380588/effects-of-zinc-oxide-and-microbial-phytase-on-digestibility-of-calcium-and-phosphorus-in-maize-based-diets-fed-to-growing-pigs
#9
L Blavi, D Sola-Oriol, J F Perez, H H Stein
An experiment was conducted to test the hypothesis that inclusion of Zn at a pharmacological level in diets fed to pigs affects apparent total tract digestibility (ATTD) of Ca and P and standardized total tract digestibility (STTD) of Ca. The second hypothesis was that inclusion of microbial phytase increases the ATTD of Ca and P and the STTD of Ca regardless of the concentration of Zn in the diet. Fifty-six growing barrows (15.4 ± 1.9 kg average BW) were allotted to a randomized complete block design with 7 dietary treatments and 8 pigs per treatment...
February 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28369876/a-systematic-review-and-meta-analysis-of-hypocalciuria-in-pre-eclampsia
#10
REVIEW
Kristen M McMaster, Andrew M Kaunitz, Prardhana Burbano de Lara, Luis Sanchez-Ramos
BACKGROUND: Small observational studies have demonstrated that hypocalciuria is associated with pre-eclampsia. OBJECTIVES: To compare urinary calcium excretion in pre-eclampsia, gestational hypertension, and chronic hypertension with that in normotensive pregnancies. SEARCH STRATEGY: Online databases were searched through February 2016 using medical subject headings "calcium homeostasis," "calcium excretion," "hypocalciuria," and "pre-eclampsia...
March 31, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28365270/a-calcium-to-citrate-ratio-will-distinguish-solitary-and-recurrent-stone-forming-children
#11
William DeFoor, Elizabeth Jackson, Marion Schulte, Zaheer Alam, John Asplin
PURPOSE: The prevalence of urinary stone disease is increasing in children. We have previously reported a high rate of urinary metabolic abnormalities in stone-forming children including hypercalciuria and hypocitraturia. The purpose of this study is to determine if a calcium to citrate ratio can help predict those at risk for recurrent stone formation. MATERIAL AND METHODS: A retrospective cohort study was performed to assess calcium to citrate ratios in children with urolithiasis...
March 29, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28361944/association-study-of-reported-significant-loci-at-5q35-3-7p14-3-13q14-1-and-16p12-3-with-urolithiasis-in-chinese-han-ethnicity
#12
Lujia Wang, Chenchen Feng, Guanxiong Ding, Xiaoling Lin, Peng Gao, Haowen Jiang, Jianfeng Xu, Qiang Ding, Zhong Wu
In this study, we aimed to validate the association of 8 reported significant loci at 5q35.3, 7p14.3, 13q14.1 and 16p12.3 with urolithiasis in Chinese Han population. We performed case-control association analysis using 624 patients with nephrolithiasis and 1008 control subjects. We selected single-nucleotide polymorphism (SNPs) including rs12654812 and rs11746443 from 5q32.3; rs12669187 and rs1000597 from 7q14.3; rs7981733, rs4142110 and rs17646069 from 13q14.1 and rs4293393 from 16p12.3 which were previously reported to be associated with nephrolithiasis...
March 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28357180/diagnosis-and-treatment-of-dent-disease-in-10-chinese-boys
#13
Guohua He, Hongwen Zhang, Fang Wang, Xiaoyu Liu, Huijie Xiao, Yong Yao
Dent disease is a rare X-linked recessive proximal tubular disorder that affects mostly male patients in childhood or early adult life. Dent disease is clinically characterized by the presence of low molecular weight proteinuria (LMWP), hypercalciuria, medullary nephrocalcinosis, nephrolithiasis, and progressive renal failure. The clinical features, diagnosis, and treatment of Dent disease were examined in 10 Chinese boys. All 10 childhood cases of Dent disease in China presented with tubular proteinuria in the nephrotic range and hypercalciuria...
February 2017: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/28355138/ultrasound-to-detect-pressure-related-deep-tissue-injuries-in-adults-admitted-via-the-emergency-department-a-prospective-descriptive-pilot-study
#14
Jonathan Scheiner, Karen Farid, Mark Raden, Seleshi Demisse
Stage 4 pressure ulcers (PUs) start with tissue death at the level of the bone, also known as deep tissue injury (DTI). Studies have shown the appearance of DTI on the skin is delayed for several days after the original pressure-related injury to the deep soft tissues. Studies also suggest DTI can be seen using ultrasound (US) technology. A prospective, descriptive, correlational pilot study was conducted to evaluate the use of US technology to detect DTI in the soft tissues that are not visible on the skin upon hospital admission...
March 2017: Ostomy/wound Management
https://www.readbyqxmd.com/read/28351028/influence-of-feeding-types-during-the-first-months-of-life-on-calciuria-levels-in-healthy-infants-a-secondary-analysis-from-a-randomized-clinical-trial
#15
Natalia Ferré, Carmen Rubio-Torrents, Veronica Luque, Ricardo Closa-Monasterolo, Veit Grote, Berthold Koletzko, Piotr Socha, Dariusz Gruszfeld, Jean Paul Langhendries, Anne Sengier, Elvira Verduci, Joaquin Escribano
BACKGROUND/AIMS: Dietary factors can modify calciuria. We aim to investigate urinary calcium excretion in healthy infants according to their protein. METHODS: Secondary data analysis from a randomized clinical trial where healthy term infants were randomized after birth to a higher (HP) or lower (LP) protein content formula that was consumed until age 1 year. A non-randomized group of breastfed (BF) infants was used for reference. Anthropometry, dietary intakes and calciuria (calcium/creatinine ratios) from spot urine samples were assessed at ages 3 and 6 months...
March 29, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28349055/antiurolithiasis-activity-of-bioactivity-guided-fraction-of-bergenia-ligulata-against-ethylene-glycol-induced-renal-calculi-in-rat
#16
Ikshit Sharma, Washim Khan, Rabea Parveen, Md Javed Alam, Iftekhar Ahmad, Mohd Hafizur Rehman Ansari, Sayeed Ahmad
Dried rhizome of Bergenia ligulata (pashanbhed) is commonly used as a traditional herbal medicine with a wide range of therapeutic applications including urolithiasis. Aqueous extract of B. ligulata was prepared through maceration followed by decoction (mother extract, 35.9% w/w). Further, polarity based fractions were prepared successively from mother extract which yielded 3.4, 2.9, 5.4, 7.5, and 11.3% w/w of hexane, toluene, dichloromethane (DCM), n-butanol, and water fractions, respectively. The in vitro, ex vivo, and real-time antiurolithiasis activity of mother extract and fractions were carried out using aggregation assay in synthetic urine and in rat plasma...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28348009/polymerization-incompetent-uromodulin-in-the-pregnant-stroke-prone-spontaneously-hypertensive-rat
#17
Sheon Mary, Heather Yvonne Small, Justyna Siwy, William Mullen, Ashok Giri, Christian Delles
The kidney is centrally involved in blood pressure regulation and undergoes extensive changes during pregnancy. Hypertension during pregnancy may result in an altered urinary peptidome that could be used to indicate new targets of therapeutic or diagnostic interest. The stroke-prone spontaneously hypertensive rat (SHRSP) is a model of maternal chronic hypertension. Capillary electrophoresis-mass spectrometry was conducted to interrogate the urinary peptidome in SHRSP and the control Wistar-Kyoto strain at three time points: prepregnancy and gestational days 12 and 18...
March 27, 2017: Hypertension
https://www.readbyqxmd.com/read/28346014/intestinal-absorption-and-renal-reabsorption-of-calcium-throughout-postnatal-development
#18
Megan R Beggs, R Todd Alexander
Calcium is vital for many physiological functions including bone mineralization. Postnatal deposition of calcium into bone is greatest in infancy and continues through childhood and adolescence until peek mineral density is reached in early adulthood. Thereafter, bone mineral density remains static until it eventually declines in later life. A positive calcium balance, i.e. more calcium absorbed than excreted, is crucial to bone deposition during growth and thus to peek bone mineral density. Dietary calcium is absorbed from the intestine into the blood...
April 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28342973/effects-of-a-sustained-release-formulation-of-1-25-dihydroxyvitamin-d3-glycosides-for-milk-fever-prevention-on-serum-1-25-dihydroxyvitamin-d3-calcium-and-phosphorus-in-dairy-cows
#19
Heinrich Bachmann, Michael Lanz, Susanne Kehrle, Wolfgang Bittner, Annick Toggenburger, Georg A Mathis, Walter Rambeck
Milk fever (MF) is a metabolic disease in dairy cows around parturition. The clinical lead sign is muscular paresis leading in severe cases to paralysis of the affected animal. Multiparturient animals of high performing dairy breeds are most likely to be affected and have a high probability of recurrence. An acute drop in blood calcium levels causes the disease when the demand for calcium at the onset of lactation exceeds the ability to replete blood calcium levels through mobilization from bone and intestinal uptake...
March 23, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28332473/correlation-analysis-of-renal-ultrasound-elastography-and-clinical-and-pathological-changes-in-patients-with-chronic-kidney-disease%C3%A2
#20
Lingyan Peng, Tingting Zhong, Qiuling Fan, Yanjun Liu, Xuemei Wang, Lining Wang
OBJECTIVE: To analyze the correlations of renal tissue elastography with clinical biochemical indicators and pathological changes in patients with chronic kidney disease (CKD) as well as to explore the potential for renal tissue elastography as a new, noninvasive method for the dynamic monitoring of renal disease progression, efficacy assessment, and prognosis evaluation. METHODS: Patients admitted to the Department of Nephrology of the First Affiliated Hospital of China Medical University from August 2014 to January 2015 who had undergone renal biopsies were selected...
March 23, 2017: Clinical Nephrology
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