نتایج جستجو برای: arterial blood gasses
تعداد نتایج: 769102 فیلتر نتایج به سال:
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...
conclusions as an oral premedication, clonidine can reduce surgical blood loss in lumbar spine posterior fusion surgery, even at the same levels of mean arterial pressure (map) with the control group. its use can be studied in more complicated spine surgeries, such as scoliosis and spinal deformity surgeries. results there was no statistically significant difference between groups in age (p = 0...
objective(s) calcium-channel blockers have an important role in the treatment of several cardiovascular disorders. derivatives of 1, 4-dihydropyridine are one of the most potent calcium antagonists. in this study four novel ', 4-dihydropyridine calcium channel blockers were synthesized and their hypotensive properties were investigated in male rats. materials and methods four 1, 4-dihydrop...
Introduction: It is felt that there is an information void regarding the effect of macronutrients on cardiovascular responses such as cardiac output,heart rate,stroke volume,systolic blood pressure,diastolic blood pressure and mean arterial pressure, therefore, this study was designed to explore these effects at Shaheed Beheshti University in 2001. Materials & Methods: This clinical trial was ...
Background: Pulseoximetry is widely used in the critical care setting, currently used to guide therapeutic interventions. Few studies have evaluated the accuracy of SPO2 (puls-eoximetry oxygen saturation) in intensive care unit after cardiac surgery. Our objective was to compare pulseoximetry with arterial oxygen saturation (SaO2) during clinical routine in such patients, and to examine the eff...
Introduction: Artificial airway stimulates the sympathetic system and the loss of ciliated cells and the accumulation of secretions. Therefore, since these patients do not have the ability to discharge, periodic suction is needed. This study aimed at comparing the effect of open suction endotracheal tube using 2 different sized suction catheters on arterial blood oxygen saturation in critical c...
conclusions blood glucose and hemodynamic changes caused by surgical stress were not significantly different between two groups. results there was not significantly difference between blood glucose level of both groups during 10 minutes before, 20 and 60 minutes after the intiation of anesthesia. heart rate changes in the general and spinal groups compared to the baseline level were decreased u...
The analysis of solute and thermal dispersion in pulsatile flow through the stenotic tapered blood vessel is presented. The present problem is an extension of the work done by Ramana et al. who considered the time-invariant arterial wall. In the present model, the flexible nature of the arterial wall through the obstruction (called stenosis) is considered and it is achieved with the he...
Background: Blood loss in spine surgery is an important issue, even though it has been understudied compared to hip and knee arthroplasty surgery. In this study we have evaluated the effect of oral clonidine as premedication on blood loss in lumbar spine fusion surgery under propofol and remifentanil anesthesia.Materials and Methods: In this prospective double-blinded randomized clinical trial,...
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