نتایج جستجو برای: sodium bicarbonate
تعداد نتایج: 193273 فیلتر نتایج به سال:
INTRODUCTION The rapid decline in renal function caused by radiographic contrast agents usually is transient, but it can result in chronic kidney disease. The pathophysiology of contrast-induced nephropathy (CIN) is poorly understood, but it may include acute hypoxia-induced oxidative stress and free radicals generated within the acid environment of the renal medulla. Thus, the alkalization of ...
Poisoning with tricyclic antidepressants is an important cause of drug-related self-poisoning in the developed world and a very common cause of poisoning and mortality in developing countries. Electrocardiographic manifestations of most tricyclic antidepressant-poisoned patients resolve by the administration of 1-2 mEq/kg of sodium bicarbonate. Some rare cases have been reported who have been r...
Previous studies have characterized the changes in acid-base equilibrium in dogs exposed over a prolonged period to a 12 per cent carbon dioxide atmosphere (1). Plasma bicarbonate concentration rose in a gradual curvilinear fashion over several days and became stabilized at maximal levels of 35 to 38 mEq per L. This adaptive response was not influenced by the level of sodium chloride intake. Af...
OBJECTIVE To develop a simple, physiologically based mathematical model of pancreatic duct cell secretion using experimentally derived parameters that generates pancreatic fluid bicarbonate concentrations of >140 mM after CFTR activation. METHODS A new mathematical model was developed simulating a duct cell within a proximal pancreatic duct and included a sodium-2-bicarbonate cotransporter (N...
INTRODUCTION Contrast-induced nephropathy is a common complication of radiographic procedures. Different measures have been used to avoid this damage, but the evidence is controversial. New investigations are required to clarify it. We investigated the efficacy and safety of sodium bicarbonate solution compared with sodium chloride solution to prevent contrast induced nephropathy in patients wi...
Organophosphorous (OP) chemical warfare nerve agents mainly sarin and tabun were used during the Iran-Iraq war with high mortalities. In addition to atropine and oximes, the followings have recently been used successfully for the treatment of OP poisoning. 1. Sodium Bicarbonate: Infusion of high doses of sodium bicarbonate (5 mEq/kg in 60 min. followed by 5-6 mEq/kg/day to obtain arterial blood...
Due to alkalinity of most soil and water resources in Iran and consequently bicarbonate-induced high pH of plants’ growing medium and different effects of ammonium and nitrate on pH of plant growing medium, research about deleterious effects of factors like alkalinity and interactive effect of nitrogen with bicarbonate on chemical and ecophysiological characteristics of plants seems to be neces...
BACKGROUND Guidelines advise periprocedural saline hydration for prevention of contrast induced-acute kidney injury (CI-AKI). We analysed whether 1-hour sodium bicarbonate hydration administered solely prior to intra-arterial contrast exposure is non-inferior to standard periprocedural saline hydration in chronic kidney disease (CKD) patients undergoing elective cardiovascular diagnostic or int...
The purpose of the study was to assess the effect of sodium bicarbonate ingestion upon repeated bouts of intensive short duration exercise. Twenty-three subjects participated in the investigation (8 females and 15 males, age 21.4 +/- 2.3, mean +/- sd). Subjects completed six trials; three following the ingestion of sodium bicarbonate (300 mg/kg body weight) and three following the ingestion of ...
organophosphorous (op) chemical warfare nerve agents mainly sarin and tabun were used during the iran-iraq war with high mortalities. in addition to atropine and oximes, the followings have recently been used successfully for the treatment of op poisoning. 1. sodium bicarbonate: infusion of high doses of sodium bicarbonate (5 meq/kg in 60 min. followed by 5-6 meq/kg/day to obtain arterial blood...
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