نتایج جستجو برای: hypertonic solution
تعداد نتایج: 467746 فیلتر نتایج به سال:
OBJECTIVE Widespread deep tissue pain hyperalgesia was evaluated in women with chronic whiplash associated disorder (n = 25) and controls (n = 10) using computerized cuff pressure algometry and hypertonic saline infusion. METHODS A pneumatic double-chamber cuff was placed around: (i) the arm and (ii) the leg. Cuff inflation rate was constant and the pain intensity was registered continuously ...
The aim of the present investigations was to examine the effects of the states of hypothyroidism or hyperthyroidism on vasopressin (AVP) and oxytocin (OT) release under conditions of equilibrated water metabolism as well as of osmotic stimulation, brought about by the dehydration or hypertonic saline administration. The euhydrated and simultaneously hypothyroid rats showed decreased hypothalami...
OBJECT Currently, mannitol is the recommended first choice for a hyperosmolar agent for use in patients with elevated intracranial pressure (ICP). Some authors have argued that hypertonic saline (HTS) might be a more effective agent; however, there is no consensus as to appropriate indications for use, the best concentration, and the best method of delivery. To answer these questions better, th...
To test the hypothesis that progesterone, independent of estrogen, decreases the plasma osmotic threshold for arginine vasopressin (AVP) release and thirst onset, we compared AVP and thirst responses to hypertonic saline infusion (HSI) during administration of oral contraceptives (OCs) containing progesterone (OCP) with responses to infusion of OCs containing progesterone and estrogen (OCEP). E...
In laboratory models of uncontrolled hemorrhage, immediate resuscitation from hemorrhage is associated with high mortality. However, in clinical practice, resuscitation is often delayed and the rate of fluid administration is limited. We hypothesized that a slow rate of infusion after delayed resuscitation, reflecting the clinical environment, might improve survival in the presence of uncontrol...
BACKGROUND AND OBJECTIVES Data regarding dosage-response relationships for using hypertonic saline in treatment of hyponatremia are extremely limited. Objectives of this study were to assess adherence to previously published guidelines (limiting correction to <12 mEq/L per d and <18 mEq/L per 48 h) in treating hyponatremia with hypertonic saline and to determine the predictive accuracy of the A...
Changes in plasma osmolarity, through central and peripheral osmoreceptors, activate the median preoptic nucleus (MnPO) that modulates autonomic and neuroendocrine adjustments. The present study sought to determine the participation of MnPO in the cardiovascular recovery induced by hypertonic saline infusion (HSI) in rats submitted to hemorrhagic shock. The recordings of mean arterial pressure ...
The evidence supporting a site of inhibition of excitation contraction (E-C) coupling near the plasma membrane (the "glycerol effect," the K+-potentiating effect) for muscle in hypertonic solution was reinvestigated. It was found, using whole frog sartorii, that there was a rehydration of muscle soaked in glycerol Ringer after 30 min and a large swelling (to 140% after 1 hr soaking) upon return...
The evidence supporting a site of inhibition of excitation contraction (E-C) coupling near the plasma membrane (the "glycerol effect," the K(+)-potentiating effect) for muscle in hypertonic solution was reinvestigated. It was found, using whole frog sartorii, that there was a rehydration of muscle soaked in glycerol Ringer after 30 min and a large swelling (to 140% after 1 hr soaking) upon retu...
hypertonic solutions play an important role in the treatment of tissue edema. following the induction of experimental vasogenic brain edema by occlusion of the common carotid arteries in eight rabbits, the effect of hypertonic lactated ringer's solution (subjects), vs. isotonic lactated ringer's solution (control), was studied on blood pressure, electrolyte (sodium, potassium, and cal...
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