Hemorrhagic shock causes a reduction in oxygen supply to tissues leading to increased reactive oxygen species resulting in lung injury. Often mechanical ventilation is required as supportive treatment; however, ventilation can also induce lung injury and apoptosis. The purpose of this study was to examine the effects of three modes of controlled mechanical ventilation: volume control, pressure ...

I N T R O D U C T I O N This study concentrates on a unique volume response of blue crab muscle fibers to hypotonic salines. When single fibers isolated from vertebrate muscle (Reuben et al., 1963; Blinks, 1965) or from invertebrate muscle (Reuben et al., 1964; Gainer and Grundfest, 1968) are placed into hypotonic salines, their volumes usually increase to new steady-state levels which remain c...

The importance of extracellular volume control and avoidance overload has been well documented in relation to the management patients with chronic haemodialysis. Chronic results poorly controlled hypertension, increased cardiovascular events, all-cause mortality. Traditional methods dry weight assessment have relied on clinical guide status. challenge achieving balance between weights preventin...

BACKGROUND A lung-protecting strategy is essential when ventilating acute lung injury/acute respiratory distress syndrome patients. Current emphasis is on limiting inspiratory pressure and volume. This study was designed to investigate the effect of peak inspiratory flow on lung injury. METHODS Twenty-four rabbits were anesthetized, tracheostomized, ventilated with a Siemens Servo 300, and ra...

background: the close relationship between energy metabolism, nutritional state, and reproductive physiology suggests that nutritional and metabolic disorders can disrupt normal reproductive function and fertility. considering the importance of leptin and ghrelin effects in regulation of the hypothalamic-pituitary-gonadal axis, the objective of this study was to investigate the influence of obe...

the effect of a ginger extract on gastric residual volume among mechanically ventilated patients who hospitalized in intensive care unit     hekmatafshar m [1] , bardigorchaei a [2] , amin gh [3] , vakili ma [4] , eshginia s [5] , sanagoo a [6] , jouybaril [7] *     received: 20feb, 2012 accepted: 9may, 2012     abstract   background & aims : delayed gastric emptying among mechanically ventilat...

In this paper, a control strategy combining the feedback linearization theory and sliding mode variable structure is proposed to solve various nonlinear factors, uncertainty of external disturbance high-precision pressure problems in Direct-Drive Volume Control (DDVC) electro-hydraulic servo system. The mathematical model DDVC system established, factors are accurately linearized by theory. com...

Background and Objectives: Acrylamide (ACR) is a known carcinogenic chemical agent found in some foods at considerably high concentration. The aim of this study was to investigate the protective effects of vitamin C as an antioxidant on kidney tissue in rats treated with ACR. Methods: Twenty female Wistar rats (200-220 grams) were divided into 4 groups (n=5) of control group, ACR group, vita...