نتایج جستجو برای: base balance
تعداد نتایج: 394472 فیلتر نتایج به سال:
Two processes permit the urine pH and the medullary interstitial pH to remain in an "ideal range" to minimize the risk of forming kidney stones. First, a medullary shunt for NH(3) maintains the urine pH near 6.0 to minimize uric acid precipitation when distal H(+) secretion is high. Second, excreting dietary alkali excreting alkali as a family of organic anions--including citrate--rather than a...
OBJECTIVE Metabolic studies reveal that acidogenic diets increase bone resorption acutely. This study was conducted to examine associations between diet-induced changes in net acid excretion (NAE) and changes in serum parathyroid hormone (PTH), bone resorption, and calcium excretion over a longer period of 60 days. METHODS Forty healthy older men and women were given 0.75 g/kg of protein as m...
The prevalence of metabolic acidosis increases in Chronic Kidney Disease (CKD) patients ac‐ cording to the fall in glomerular filtration rate (GFR). In early stages of renal dysfunction acid retention is mainly due to the reduced tubular ammonium (NH4+) secretion. As GFR de‐ clines retention of organic acids (HSO4, HPO4) is also observed. The acid load resultant from diet and protein catabolism...
Robinson (1) studied the effect of age on the arterial blood gases and the acid-base balance of normal males from 5 to 91 years of age. In addition to the well known increase in oxygen combining capacity which occurs during childhood and adolescence, Robinson found moderately lower mean values for hemoglobin saturation in adults above 40 years of age, and slightly higher mean values for arteria...
BACKGROUND Nutrition has long been known to strongly influence acid-base balance. Recently, we have shown that it is possible to appropriately estimate the renal net acid excretion (NAE) of healthy subjects from the composition of their diets. AIM OF THE STUDY 1) To briefly present a physiologically based calculation model that allows a reasonable estimation of the analytically determined uri...
In complete transposition of the great vessels the pulmonary and systemic circulations exist as two separate circuits. Although the pulmonary and the systemic blood flows may vary widely, the effective pulmonary blood flow is often small (Shaher, 1964). While the acid-base balance in the systemic circuit has been studied by several workers (Sunico, Harned, and Ordway, 1960; Gootman, Scarpelli, ...
While long term disturbances in the acid–base balance can disturb the normal growth and development, acute short term, but severe changes in pH, can also be drastic. The body's acid base balance is maintained by different organ systems, including the lungs and the kidneys, along with the intracellular and extracellular buffer systems. A human body’s normal pH ranges from 7.35-7.45. pH and hydro...
We compared the acid-base balance in broiler chickens provided diets containing 2 dietary electrolyte balances (DEB), and administered with either adrenocorticotropic hormone (ACTH) or saline solution. Diets were moderate (174 mEq/kg) or high (241 mEq/kg) DEB formulated by altering Na-K-Cl based on actual analysis. The experiment was designed as a split plot, with the main unit consisting of 4 ...
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