نتایج جستجو برای: calcium oxalate

تعداد نتایج: 170671  

Journal: :Kidney international 2004
Charles Y C Pak Beverley Adams-Huet John R Poindexter Margaret S Pearle Roy D Peterson Orson W Moe

BACKGROUND The study compared the effect of urinary calcium with that of oxalate on urinary saturation [relative saturation ratio (RSR)] of calcium oxalate. METHODS A retrospective data analysis was conducted on urinary stone risk analysis from 667 patients with predominantly calcium oxalate stones. Urinary RSR of calcium oxalate was individually calculated using Equil 2. A "theoretical" curv...

2015
Evan Barr-Beare Vijay Saxena Evann E. Hilt Krystal Thomas-White Megan Schober Birong Li Brian Becknell David S. Hains Alan J. Wolfe Andrew L. Schwaderer Jeff M Sands

BACKGROUND The role of calcium oxalate crystals and deposits in UTI pathogenesis has not been established. The objectives of this study were to identify bacteria present in pediatric urolithiasis and, using in vitro and in vivo models, to determine the relevance of calcium oxalate deposits during experimental pyelonephritis. METHODS Pediatric kidney stones and urine were collected and both cu...

Journal: :Clinical science and molecular medicine 1974
A Hodgkinson

1, The daily excretion of oxalate, calcium, magnesium and creatinine was determined in fifty-two normal men and sixty-five male patients with calcium oxalatecontaining renal stones. 2. Direct relationships were found between calcium and oxalate excretion, magnesium and oxalate excretion and calcium and magnesium excretion in both normal subjects and stone-formers. The significance of these rela...

Journal: :journal of herbal drugs 0
shahram pararin department of animal physiology, faculty of basic sciences, shahrekord branch, islamic azad university, shahrekord, iran leila rouhi department of animal physiology, faculty of basic sciences, shahrekord branch, islamic azad university, shahrekord, iran abdollah ghasemi pirbalouti department of medicinal plants, shahrekord branch, islamic azad university, shahrekord, iran

background & aim: punica granatum l. (pomegranate) is a widely used plant that has high nutritional value .this study evaluated prevention effect of hydro alcoholic extract of punica granatum flower and leaves ethylene glycol-induced nephrolithiasis in wistar rats. experimental: 20 male wistar rats were randomly divided into 4 equal groups. group i served as positive control and received distil...

ژورنال: طب مکمل 2017

Introduction: Kidney Calculi (mainly made ​​of calcium oxalate) is the third disease of urinary tract in which the side effects of surgery have caused particular attention to the use of plant products. The inhibition and disolution of calcium oxalate in solutions containing Alhaji maurorum have been studied in the present research. Methods: In this laboratory research, after taking the aqueo...

Journal: :The Southeast Asian journal of tropical medicine and public health 2004
Wasana Stitchantrakul Wichai Sopassathit Surasing Prapaipanich Somnuek Domrongkitchaiporn

It has been speculated that calcium supplement in subjects with low oxalate intake might increase the risk of calcium stone formation due to an increase in calcium absorption without a significant reduction in oxalate absorption. There have been no human studies addressing specifically the effects of taking calcium supplements in populations whose dietary oxalate is low. This study was conducte...

Journal: :Journal of the American Society of Nephrology : JASN 2004
Gerd E von Unruh Susanne Voss Tilman Sauerbruch Albrecht Hesse

Two to 20% of ingested oxalate is absorbed in the gastrointestinal tract of healthy humans with a daily 800 mg calcium intake. Calcium is the most potent modifier of the oxalate absorption. Although this has been found repeatedly, the exact correlation between calcium intake and oxalate absorption has not been assessed to date. Investigated was oxalate absorption in healthy volunteers applying ...

Journal: :Clinical science 1972
R W Marshall M Cochran A Hodgkinson

1. The short-term effects of different intakes of calcium and oxalic acid on the urinary excretion of these substances was studied in eight normal men and eight men with a history of calcium-containing renal stones. 2. The effect of dietary oxalate on urine oxalate depended partly upon the calcium intake. Thus, on a normal calcium intake an increase in oxalate intake caused an increase in oxala...

Journal: :Clinical science and molecular medicine 1975
J L Meyer J H Bergert L H Smith

Chemical kinetic data, complemented with scanning electron-microscope observations of the crystalline phase, show that seed crystals of hydroxyapatite have the ability to induce the growth of calcium oxalate monohydrate crystals epitaxially from a metastable supersaturated solution of calcium oxalate. The rate of growth of calcium oxalate crystals is dependent on the surface area of the seed ma...

Journal: :Applied and environmental microbiology 2009
Melissa Marie S Tuason Joselito M Arocena

Piloderma fallax is an ectomycorrhizal fungus commonly associated with several conifer and hardwood species. We examined the formation of calcium oxalate crystals by P. fallax in response to calcium (0.0, 0.1, 0.5, 1, and 5 mM) and phosphorus (0.1 and 6 mM) additions in modified Melin-Norkrans agar medium. Both calcium and phosphorus supplementation significantly affected the amount of calcium ...

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