نتایج جستجو برای: urine volume
تعداد نتایج: 376121 فیلتر نتایج به سال:
1. In rats deprived of food and water for 24 h acute renal failure was produced by the intramuscular injection of glycerol. Eight hours later plasma urea concentration had increased threefold despite a small rise in urine volume. Plasma concentrations of renin and renin substrate were elevated. 2. When saralasin, a competitive antagonist of angiotensin II, was infused for 8 h after glycerol inj...
The "standard urea clearance" is calculated upon the assumption that the urea excretion will vary with the square root of the urine volume, when the latter is below the augmentation limit of about two milliliters per minute. The result of the calculation gives the milliliters of blood which would be cleared were the urine volume one milliliter per minute, if the square root rule were strictly t...
introduction: water is an essential nutrient for life. it comprises 75% of total body weight in infants,60% in adult males and 50% in adult females. decrease in body water is commonly known as dehydration. acute or chronic dehydration is a common condition in some population groups, especialy the elderly and those who participate in physical activity in warm enviroments. potential consequences ...
In this method, firstly, extracts of Fig tree leaves are taken with a simple laboratory method, and then the research begins on a very important drug in medical science. The effects of different variables such as pH, volume and type of buffer, volume of nanoparticles and time of stay were investigated. The results showed that optimal amounts of pH = 6, 1.5 mL citrate buffer, 0.15 mL optimum vol...
The determinants of nocturnal enuresis in homozygous sickle cell (SS) disease have been investigated in 16 enuretic and 16 age and sex matched non-enuretic children. Overnight fluid deprivation tests (8pm-8am) demonstrated no significant difference in maximum urine osmolality or urine volumes, although the latter tended to be higher in the enuretic children. Maximum functional bladder capacity,...
Background: Preeclampsia, a specific syndrome in pregnancy, may summits mortality or morbidity in mother and fetus. Diagnostic methods are based on 24 hours urine protein measures which may be tedious, thus it is desirable to apply a faster and more applicable method for this goal. In this study we evaluate measurement of 8-hours urine protein in order to estimate 24-hours urine protein measure...
Men are known to be at greater risk of urolithiasis and cardiovascular and renal diseases than women. Previous studies suggest that greater urine concentration is associated with acceleration of progression of chronic kidney disease (CKD), increased urinary albumin excretion, and delayed renal sodium excretion. The present review addresses possible sex-related differences in urine volume and os...
Introduction: Foley catheters are assumed to drain the bladder completely. It is known that uncompleted drainage leads to multiple complications, such as asymptomatic bacteriuria and urinary tract infection. Methods: From 116 patients, who were admitted to intensive care unit (ICU) for more than 24 hours, were enrolled in this study. To measure the urine level in bladder in the morning before a...
PURPOSE We report on our experience with the Memotherm stent implanted in high-risk patients who had an indwelling catheter. PATIENTS AND METHODS Seventeen patients (mean age 80.6 years, range 55 to 93) who had an indwelling catheter were treated by placement of the Memotherm stent. The mean duration time of indwelling catheter were 12.7 months (range 1 to 60). The methods of implantation was...
Transient generalized oedema was observed in a patient upon exposure to a hot climate. Oedema disappeared in 5 days. Clinical study during oedema revealed decreased urine volume, high urine osmolality, high urine sodium concentration, increased blood volume, hyponatraemia and hypo-osmolality. The total solute excretion was unchanged. The endogenous creatinine and para-aminohippurate clearances ...
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