نتایج جستجو برای: stroke volume
تعداد نتایج: 436508 فیلتر نتایج به سال:
introduction: purpose of this study was the effect of different music rhythms (fast rhythm and slow rhythm) in physiological responses of health young male after an exhaustive exercise session during primary minutes of recovery period. methods: seventeen healthy male (ages: 19.76 ± 0.97 yr, height: 176 ± 6.72 cm, weight: 68.5 ±7 5.95 kg), voluntarily performed bruce protocol until exhaustion wi...
Introduction: Previous studies indicated estrogen as a protective factor in brain cells. In this study, effect of Yarrow extract (Achillea millefolium), containing a phytoestrogen, were examined on the consequences of stroke in the middle cerebral artery occlusion model in ovariectomized female rats. Methods: In the present study, 32 female Wistar rats weighing 200 to 250 g were randomly divi...
Introduction: Hypothermia has neuroprotective effects in permanent or transient models of cerebral artery occlusion. In the current study, neuroprotective effect of general hypothermia in the embolic model of stroke, in which no study has been conducted to date. Methods: In this experimental study, twenty-four male Wistar rats (250 to 350 g) were divided into three groups as following: sha...
Background & Aims: Stroke is the third leading cause of death. Oxidative stress has a principal role in the complications of stroke. Due to this fact and the antioxidant effects of ascorbic acid, this study was designed to evaluate the effect of ascorbic acid on reduction of stroke complications in a permanent model of middle cerebral artery (MCA) occlusion in male rats. Methods: In this experi...
In medicine we often want to compare two different methods of measuring some quantity, such as blood pressure, gestational age, or cardiac stroke volume. Sometimes we compare an approximate or simple method with a very precise one. This is a calibration problem, and we shall not discuss it further here. Frequently, however, we cannot regard either method as giving the true value of the quantity...
Background & Aim: Stroke is the most common neurological disease and the first cause of disability in the world. Since Elaeagnus Angustifolia contains antioxidant compounds and has been used as a treatment for many diseases, the effect of aqueous extract of Elaeagnus Angustifolia on infarct tissue volume and neurologic deficits in rat stroke model was investigated. Methods: In this experimen...
Protective Effect of Delayed Ischemic Postconditioning on Embolic Stroke Complications in Female Rat
Background & Aims: Ischemic postconditioning, conducted by a series of brief occlusion and release of the bilateral common carotid arteries, has neuroprotective properties in permanent or transient models of middle cerebral artery (MCA) occlusion but its delayed neuroprotective effects in the embolic model of stroke, especially in female rat, have not yet been reported and were investigated ...
Arterial pulse pressure has been widely used as surrogate of stroke volume, for example, in the guidance of fluid therapy. However, recent experimental investigations suggest that arterial pulse pressure is not linearly proportional to stroke volume. However, mechanisms underlying the relation between the two have not been clearly understood. The goal of this study was to elucidate how arterial...
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