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https://www.readbyqxmd.com/read/28816531/prevalence-and-predictors-of-primary-hyperparathyroidism-amongpatients-with-urolithiasis
#1
S Sharma, A Rastogi, S K Bhadada, P Singh, S Varshney, A Behera, A Bhansali, S K Singh, D S Rao
BACKGROUND: Urolithiasis may be the only presenting manifestation of primary hyperparathyroidism (PHPT), and early detection of PHPT in such patients may prevent future urolithiasis and other PHPT complications. OBJECTIVES: To study the prevalence and predictors of PHPT in patients presenting with urolithiasis. SUBJECTS & METHODS: Consecutive patients presenting with urolithiasis were evaluated for clinical and biochemical manifestations of PHPT with serum and urine calcium, serum intact parathyroid hormone and 25 (OH) vitamin D...
August 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28810891/the-variation-in-urinary-calcium-levels-in-adult-patients-with-fracture-and-surgical-intervention
#2
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/28809621/cardiovascular-risk-factors-and-mortality-in-children-with-chronic-kidney-disease
#3
Abdullahi Mudi, Caroline Dickens, Cecil Levy, Daynia Ballot
BACKGROUND: Cardiovascular disease (CVD) begins early in children with chronic kidney disease (CKD), and its progression is determined by the presence of single or multiple cardiovascular risk factors (CVRFs). OBJECTIVE: To determine the prevalence of CVRFs in children with CKD and their association with mortality in children on chronic dialysis. METHODS: This comparative cross-sectional study recruited children aged 5 - 18 years with all stages of CKD...
July 28, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28808443/angiotensin-converting-enzyme-inhibition-and-parathyroid-hormone-secretion
#4
Sarah Zaheer, Jenifer M Brown, Molly Connors, Jonathan S Williams, Gail K Adler, Anand Vaidya
BACKGROUND: Prior studies suggest that renin-angiotensin-aldosterone system (RAAS) inhibitors decrease parathyroid hormone (PTH) secretion. OBJECTIVE: To evaluate the effect of angiotensin-converting enzyme inhibitors (ACEi) on serum PTH in participants with and without primary hyperparathyroidism (P-HPT). METHODS: An open-label, single-arm, pilot study whereby participants with and without P-HPT had PTH were evaluated before and after 1 week of maximally tolerated lisinopril therapy...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28806302/surgery-for-primary-hyperparathyroidism-adherence-to-consensus-guidelines-in-an-academic-health-system
#5
Eric J Kuo, Mostafa A Al-Alusi, Lin Du, Albert Shieh, Masha J Livhits, Angela M Leung, Michael W Yeh
OBJECTIVE: To determine the extent to which consensus guidelines for surgery in patients with primary hyperparathyroidism (PHPT) are followed within an academic health system. BACKGROUND: Previous studies have shown that adherence to consensus guidelines in community practice is low. METHODS: Adults with biochemically confirmed PHPT who received primary care within an academic health system were identified from 2005 to 2015. Multivariable logistic regression was used to analyze predictors of parathyroidectomy (PTx)...
August 11, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28776878/a-method-for-estimating-radioactive-cesium-concentrations-in-cattle-blood-using-urine-samples
#6
Itaru Sato, Ryoma Yamagishi, Jun Sasaki, Hiroshi Satoh, Kiyoshi Miura, Kaoru Kikuchi, Kumiko Otani, Keiji Okada
In the region contaminated by the Fukushima nuclear accident, radioactive contamination of live cattle should be checked before slaughter. In this study, we establish a precise method for estimating radioactive cesium concentrations in cattle blood using urine samples. Blood and urine samples were collected from a total of 71 cattle on two farms in the 'difficult-to-return zone'. Urine (137) Cs, specific gravity, electrical conductivity, pH, sodium, potassium, calcium, and creatinine were measured and various estimation methods for blood (137) Cs were tested...
August 4, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28776078/sarna-mediated-activation-of-trpv5-reduces-renal-calcium-oxalate-deposition-in-rat-via-decreasing-urinary-calcium-excretion
#7
Tao Zeng, Xiaolu Duan, Wei Zhu, Yang Liu, Wenqi Wu, Guohua Zeng
Hypercalciuria is a main risk factor for kidney stone  formation. TRPV5 is the gatekeeper protein for mediating calcium transport and reabsorption in the kidney. In the present study, we tested the effect of TRPV5 activation with small activating RNA (saRNA), which could induce gene expression by targeting the promoter of the gene, on ethylene glycol (EG)-induced calcium oxalate (CaOx) crystals formation in rat kidney. Five pairs of RNA activation sequences targeting the promoter of rat TRPV5 were designed and synthesized...
August 3, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28775219/assessment-of-dietary-food-and-nutrient-intake-and-bone-density-in-children-with-eczema
#8
T F Leung, S S Wang, F Y Kwok, L W Leung, C M Chow, E K Hon
INTRODUCTION: Dietary restrictions are common among patients with eczema, and such practice may lead to diminished bone mineral density. This study investigated dietary intake and bone mineral density in Hong Kong Chinese children with eczema. METHODS: This cross-sectional and observational study was conducted in a university-affiliated teaching hospital in Hong Kong. Chinese children aged below 18 years with physician-diagnosed eczema were recruited from our paediatric allergy and dermatology clinics over a 6-month period in 2012...
August 4, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28768527/bilateral-blindness-secondary-to-optic-nerve-ischemia-from-severe-amlodipine-overdose-a-case-report
#9
Raymond Kao, Yves Landry, Genevieve Chick, Andrew Leung
BACKGROUND: Calcium channel blockers are commonly prescribed medications; calcium channel blocker overdose is becoming increasingly prevalent. The typical presentation of a calcium channel blocker overdose is hypotension and decreased level of consciousness. We describe a case of a calcium channel blocker overdose that led to bilateral cortical blindness, a presentation that has not previously been reported. CASE PRESENTATION: A 49-year-old white woman with known bilateral early optic atrophy presented to our hospital with hypotension and obtundation following a known ingestion of 150 mg of amlodipine...
August 3, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28763529/24-hour-urine-calcium-in-the-evaluation-and-management-of-nephrolithiasis
#10
Li Song, Naim M Maalouf
No abstract text is available yet for this article.
August 1, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28762682/-use-of-citrate-in-patients-with-nephrolithiasis
#11
REVIEW
Martino Marangella
Citrate is a tricarboxylic acid and an intermediate metabolite of Krebs cycle. It contributes to oxidative metabolism of both kidney and liver. Alkaline sodium or potassium salts have the potential to increase alkaline reserve. In the kidney citrate is completely filtered at the glomerulus, undergoing to 10-40% tubular resorption. Renal insufficiency, even early, metabolic acidosis, potassium depletion induce hypocitraturia. Its importance in nephrolithiasis stems from its ability to form soluble complexes with calcium and to interfere with crystal formation, thus exerting a dual inhibition, thermodynamic and kinetic...
August 1, 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28752576/influence-of-prostanoids-in-the-diuretic-and-natriuretic-effects-of-extracts-and-kaempferitrin-from-bauhinia-forficata-link-leaves-in-rats
#12
Priscila de Souza, Luisa Mota da Silva, Thaise Boeing, Lincon Bordignon Somensi, Camile Cecconi Cechinel-Zanchett, Adriana Campos, Clarissa de Medeiros Amorim Krueger, Jairo Kenupp Bastos, Valdir Cechinel-Filho, Sérgio Faloni de Andrade
Although Bauhinia forficata Link is popularly used in Brazil to induce diuresis, no scientific investigation has focused on demonstrating its efficacy in preclinical trials. For that, normotensive male Wistar and spontaneously hypertensive rats were used to test the effect of extracts and kaempferitrin obtained from Bauhinia forficata leaves in the experimental model of diuresis. Cumulative urine volume, Na(+) and K(+) excretion, calcium, creatinine, prostaglandin E2 , pH, density, and conductivity were measured at the end of the experiment (after 8 or 24 h)...
July 28, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28750036/generation-and-phenotypic-characterization-of-pde1a-mutant-mice
#13
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/28748581/coronary-artery-calcium-may-stabilize-following-islet-cell-transplantation-in-patients-with-type-1-diabetes
#14
J M Madrigal, R S Monson, B Hatipoglu, J Oberholzer, G T Kondos, K A Varady, K K Danielson
Islet cell transplantation can functionally cure type 1 diabetes, and also improve carotid-intima media thickness. This study provides a preliminary description of changes in coronary artery calcium following islet transplantation, and associated factors. Coronary artery calcium was measured in 14 patients with type 1 diabetes (11 had measures both pre- and post-transplant [mean 2.3 years]) in the University of Illinois at Chicago's clinical trial. Multivariable mixed-effects linear regression of repeated measures was used to quantify calcium change, and determine if this change was longitudinally associated with risk/protective factors...
July 27, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28746808/effects-of-kisspeptin-on-diabetic-rat-platelets
#15
Zsófia Mezei, Sándor Váczi, Viktória Török, Csaba Stumpf, Rita Ónody, Imre Földesi, Gyula Szabó
Hyperglycemia, hyperlipidemia and free radicals result in platelet activation and atherogenesis. Kisspeptin (KP) is able to regulate metabolism, hemostasis and the development of atherosclerosis. We examined whether platelet aggregation of streptozotocin-induced diabetic rats depends on the inducer type and if KP-13 and RF-9 (a kisspeptin receptor modifier) can influence platelet function. We measured the speed and the maximum of aggregation, along with the area under the curve. Serum glucose and calcium levels and urine formation of diabetic animals increased, while the body weight and platelet count decreased...
July 26, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28739373/analyte-variations-in-consecutive-24-hour-urine-collections-in-children
#16
Jonathan S Ellison, John M Hollingsworth, Craig B Langman, John R Asplin, Andrew L Schwaderer, Phyllis Yan, Maggie Bierlein, Mark A Barraza, William R Defoor, T Ernesto Figueroa, Elizabeth C Jackson, Venkata R Jayanthi, Emilie K Johnson, David B Joseph, Margarett Shnorhavorian
PURPOSE: The metabolic evaluation of children with nephrolithiasis begins with a 24-h urine collection. For adults, the diagnostic yield increases with consecutive collections; however, little is known regarding the variability of multiple 24-h studies in the pediatric population. We sought to evaluate the variability of consecutive 24-h urine collection in children through a multi-institutional study hypothesizing that compared with a single collection, consecutive 24-h urine collections would reveal a greater degree of clinically useful information in the evaluation of children at risk for nephrolithiasis...
July 12, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28730582/the-biochemical-and-histological-analysis-of-subcutaneous-calcitonin-and-intramedullary-methylprednisolone-on-bone-repair-after-bone-marrow-ablation-an-experimental-comparative-study-in-rats
#17
Salim Ersozlu, Bartu Sarisozen, Ozgur Ozer, Saduman Balaban Adim, Orcun Sahin
BACKGROUND: Although, glucocorticoid (GC) and calcitonin-induced changes in bone repair have been studied previously, the exact effects of these on fracture healing remain controversial. Hence, the purpose of this experimental study is to determine biochemical and histological effects of locally administrated GC and systemically administrated calcitonin on the kinetics of healing response after bone marrow ablation in rats. METHODS: After having undergone marrow ablation, a steroid-treated group of rats (n = 24) received a single dose of intramedullary methylprednisolone (2 mg/kg), a calcitonin-treated group (n = 24) received intermittently administrated subcutaneous salmon calcitonin (16 IU/kg), and a control group (n = 24) received intramedullary saline (25 μl)...
December 2017: Journal of Experimental Orthopaedics
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
#18
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/28727654/growth-and-nutritional-biomarkers-of-preterm-infants-fed-a-new-powdered-human-milk-fortifier-a-randomized-trial
#19
Jacques Rigo, Jean-Michel Hascoët, Claude Billeaud, Jean-Charles Picaud, Fabio Mosca, Amandine Rubio, Elie Saliba, Michaël Radkë, Umberto Simeoni, Bernard Guillois, Virginie de Halleux, Jonathan Jaeger, Laurent Ameye, Nicholas P Hays, Johannes Spalinger
OBJECTIVES: Assess growth and nutritional biomarkers of preterm infants fed human milk (HM) supplemented with a new powdered HM fortifier (nHMF) or a control HM fortifier (cHMF). The nHMF provides similar energy content, 16% more protein (partially hydrolyzed whey), and higher micronutrient levels than the cHMF, along with medium-chain triglycerides and docosahexaenoic acid. METHODS: In this controlled, multicenter, double-blind study, a sample of preterm infants ≤32 weeks or ≤1500 g were randomized to receive nHMF (n = 77) or cHMF (n = 76) for a minimum of 21 days...
July 19, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28723285/case-244-systemic-amyloidosis-a-complication-of-waldenstr%C3%A3-m-macroglobulinemia
#20
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
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