throughout the world, millions of muslims fast daily during the month of ramadan from sunrise (sahar) until sunset (iftar). considering the impacts of environment on physiological functions, we performed this study in order to examine the effects of ramadan fasting on some blood parameters of healthy volunteers and hypertensive patients. according to the results, there were no significant chang...

introduction: the bed nucleus stria terminalis (bst) is a part of the limbic system. it was recently shown that chemical stimulation of the bst by l-glutamate elicited cardiovascular depressive responses. in the present study, we have investigated the possible cardiovascular role of the gabaergic receptors in bst by microinjection of its agonist and antagonists. methods: experiments were perfor...

conclusions both remifentanil and magnesium had favorable outcomes in preventing hr and map elevation after tracheal extubation. however, remifentanil was associated with more rapid regaining of consciousness and reversal of muscular relaxation. results the hr was significantly lower, immediately after extubation and 3, 5, and 10 minutes after extubation, in both magnesium and remifentanil grou...

background: previous studies have indicated that ramadan fasting has beneficial effects on cardiovascular risk factors, specially blood pressure and heart rate. in the present study, the effect of ramadan fasting on 24-hour ambulatory blood pressure and heart rate has been investigated. materials and methods: this prospective observational study was conducted on two groups of individuals. six p...

this study evaluated the effects of inhalation of lavender essential oil on vital signs in icu open-heart surgery. this study is a clinical single-blind trial. the study was conducted on 40 patients who had open-heart surgery in the cardiac icu of two hospitals of tehran university of medical sciences, 2012. criteria included: full consciousness, lack of hemorrhage, lack of heart rate reduction...

Introduction: The Bed nucleus stria terminalis (BST) is a part of the limbic system. It was recently shown that chemical stimulation of the BST by L-glutamate elicited cardiovascular depressive responses. In the present study, we have investigated the possible cardiovascular role of the GABAergic receptors in BST by microinjection of its agonist and antagonists. Methods: Experiments were p...

Background: New Pressor Protein (NPP) is a human plasma enzyme structurally related to b–fragment of activated factor XІІ (β-FXIIa). The objective of the present study was to investigate the effects of NPP and β-FXIIa on systolic blood pressure and heart rate in bilateral nephrectomized rats. Methods: Forty male Wistar rats (250-300 g) were sham-operated or bilaterally nephrectomized under anes...