نتایج جستجو برای: hemodynamic
تعداد نتایج: 32885 فیلتر نتایج به سال:
Zoller JK, He J, Ballew AT, Orr WN, Flynn BC. Novel use of a noninvasive hemodynamic monitor in a personalized, active learning simulation. Adv Physiol Educ 41: 266–269, 2017; doi:10.1152/ advan.00185.2016.—The present study furthered the concept of simulation-based medical education by applying a personalized active learning component. We tested this novel approach utilizing a noninvasive hemo...
Bow hunter's stroke (BHS) is a cerebrovascular disease caused by occlusion of the vertebral artery (VA) on head rotation. BHS is generally associated with hemodynamic changes, often leading to vertebrobasilar insufficiency symptoms, such as vertigo and faintness. Although artery-to-artery embolism has also been proposed as an underlying mechanism, it remains controversial. This report documents...
Sepsis is associated with cardiovascular changes that may lead to development of tissue hypoperfusion. Early recognition of sepsis and tissue hypoperfusion is critical to implement appropriate hemodynamic support and prevent irreversible organ damage. End points for resuscitation need to be defined and invasive hemodynamic monitoring is usually required. Targets for hemodynamic optimization sho...
Introduction: Invasive diagnostic procedures such as coronary angiography, in most cases, are accompanied by stress and anxiety for patients,which may effect on hemodynamic signs. Materials and Methods:This research, as a quasi experimental study, has the objective to determine the influence of applying methods of relaxation on hemodynamic signs in hospitalized 40 patients, experienciny corona...
Background: Sinus surgeries are usually associated with bleeding, thus can result in hemodynamic instability. This study investigated the hemodynamic changes induced by remifentanil plus isoflurane administration in comparison with propofol plus remifentanil in patients undergoing sinus surgery.Methods: In this randomized clinical trial study, 96 patients were divided into two groups of isofl...
Aims: Today, due to the failure of non-surgical methods in the treatment of obesity, surgical procedures such as sleeve gastrocetomy are used. Similar to other invasive interventions, sleeve gastrectomy causes an imbalance in hemodynamic parameters. The aim of this study was to determine the effect of early mobilization on hemodynamic parameters in patients undergoing sleeve gastrectomy. Mater...
Background and Aim: Considering the importance of proper sedation in cataract surgery, this study was conducted to make a comparison between the effects of ketamine-propofol combination and fentanyl-propofol combination for sedation in phacoemulsification surgery. Methods: In this clinical trial study, 84 patients who were candidates for phacoemulsification cataract surgery were assigned to two...
OBJECTIVES We compared the hemodynamic effects of dobutamine and enoximone administration before and after long-term beta-blocker therapy with metoprolol or carvedilol in patients with chronic heart failure (HF). BACKGROUND Patients with HF on beta-blocker therapy may need hemodynamic support with inotropic agents, and the hemodynamic response may be influenced by both the inotropic agent and t...
Brain aging is characterized by changes in both hemodynamic and neuronal responses, which may be influenced by the cardiorespiratory fitness of the individual. To investigate the relationship between neuronal and hemodynamic changes, we studied the brain activity elicited by visual stimulation (checkerboard reversals at different frequencies) in younger adults and in older adults varying in phy...
To investigate the relationship between the frontal and sensorimotor cortices and motor learning, hemodynamic responses were recorded from the frontal and sensorimotor cortices using functional near infrared spectroscopy (NIRS) while healthy subjects performed motor learning tasks used in rehabilitation medicine. Whole-head NIRS recordings indicated that response latencies in the anterior dorso...
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