Tìm thấy 10+ kết quả cho từ khóa "Cerebral oxygen saturation"
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Age (years Height (cm Body weight (kg Pre-op HB(g/L B-left rScO B-right rScO H-rScO 2 High regional cerebral oxygen saturation, L-rScO 2 Low regional cerebral oxygen saturation, Pre-op HB Preoperative hemoglobin value, B-left rScO 2 Baseline left regional cerebral oxygen saturation , B-right rScO 2 Baseline right regional cerebral oxygen saturation..
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SrO 2 = regional cerebral oxygen saturation. SpO 2 = peripheral arterial oxygen saturation. 2 Changes from the pre-induction period until carotid artery clamping. Changes in (a) regional cerebral oxygen saturation (SrO 2.
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It is a relatively new technology for monitoring non-invasive regional cerebral oxygen saturation (rSO 2. In the brain, the arteries and veins are staggered (veins 75%, arteries 20%, and capillaries ac- count for 5. indicating that the value of local cerebral oxygen saturation mainly represents the oxygen content. in the venous blood, reflecting the cerebral oxygen transportation and metabolism.
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Bradely et al.demonstrated that hypoventilation im- proves cerebral blood flow velocity in infants with bidir- ectional superior cavopulmonary connection [24], and rSCO 2 was associated with the change of cerebral blood perfusion [25]. in accordance of increase of PaCO 2 . Pervious study founded systemic oxygen saturation ini- tially improved as the Qp/Qs declined in animals modes, whereas decreased reversely after the Qp/Qs below than 0.7 [29].
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Continuous monitoring of cerebral oxygen saturation in elderly patients undergoing abdominal surgery minimizes brain exposure to potential hypoxia. The effects of general vs spinal anesthesia on frontal cerebral oxygen saturation in geriatric patients undergoing emergency surgical fixation of the neck of femur. The effects of the extent of spinal block on the BIS score and regional cerebral oxygen saturation in elderly patients: a prospective, randomized and double-blinded study.
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Cerebral oxygen desaturation events assessed by near-infrared spectroscopy during shoulder arthroscopy in the beach chair and lateral decubitus positions. Effect of phenylephrine on the haemodynamic state and cerebral oxygen saturation during anaesthesia in the upright position. Effects of beach-chair position and induced hypotension on cerebral oxygen saturation in patients undergoing arthroscopic shoulder surgery.
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Arterial carbon dioxide partial pressure, arterial oxygen partial pressure, peak airway pressure, plateau airway pressure, systolic blood pressure, pulse pressure variation, body temperature and regional cerebral oxygen saturation, except heart rate, were not significantly different between the two groups..
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Effect of controlled hypotension on regional cerebral oxygen saturation during rhinoplasty: a prospective study. Controlled hypotension: completely forbidden or sometimes necessary? Eur J Anaesthesiol. The peripheral perfusion index tracks systemic haemodynamics during general anaesthesia. The efficacy of labetalol versus nitroglycerin for induction of controlled hypotension during sinus endoscopic surgery.
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Cerebral perfusion and cerebral oxygen saturation have been implicated in the development of POCD.. In the non-cardiac surgery population, a cohort study of elderly patients measured intraoperative cerebral autoregulation using bilateral transcranial doppler probes, and cerebral oxygenation using near-infrared spectroscopy (NIRS).. In our opinion, the above recommendations reflect the evidence, as well as the continued uncertainty in the field.
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It is noted that the study con- ducted by Whitlock et al. the incidence of POCD (OR: 0.27. Postoperative delirium (POD) Four studies including 765 patients undergoing cardiac surgery reported the outcome of incidence of POD between the rSO 2 moni- toring group (n = 378) and the routine care group (n = 387). Among these 7 studies, Slater et...
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Changes of cerebral regional oxygen saturation during pneumoperitoneum and Trendelenburg position under propofol anesthesia: a prospective observational study. Background: We evaluated the change of cerebral regional tissue oxygen saturation (rSO 2 ) along with the pneumoperitoneum and the Trendelenburg position. and the changes of mean arterial blood pressure (MAP), heart rate (HR), arterial carbon dioxide tension (PaCO 2.
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Tissue oxygen saturation and outcome after cardiac surgery. Tissue near infrared spectroscopy change is not correlated with patients ’ outcome in elective cardiac surgery. Microvascular reactivity and clinical outcomes in cardiac surgery. Tissue oxygen saturation as an early indicator of delayed lactate clearance after cardiac surgery: a prospective observational study. Tissue oximetry during cardiac surgery and in the cardiac intensive care unit: a prospective observational trial.
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Table 4 Time-dependent correlations between oxygen reserve index (ORi) with peripheral oxygen saturation (SpO 2.
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Pv-aCO 2 /Ca-vO 2 : Venous and arterial blood carbon dioxide partial pressures difference/arterial-venous oxygen difference ratio. ScvO 2 : Central venous oxygen saturation. Continuous central venous oxygen saturation assisted intraoperative hemodynamic management during major abdominal surgery: a. Changes of central venous oxygen saturation define fluid responsiveness in patients with septic shock: a prospective observational study.
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Determination of oxygen saturation. compared to a prescribed target range using continuous pulse oximetry in acutely unwell medical patients. Background: Both inadequate and excessive administration of oxygen to acutely unwell patients results in risk of harm. Guidelines recommend titration of oxygen to achieve a target oxygen saturation (SpO 2 ) range.
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Monitoring of cerebral oxygenation in patients with severe head injuries: brain tissue pO2 versus jugular vein oxygen saturation. Relationship of brain tissue PO2 to outcome after severe head injury
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Do cerebral and somatic tissue oxygen saturation measurements correlate with each other during surgery
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SctO 2 = cerebral tissue oxygen saturation. SstO 2 = somatic tissue oxygen saturation. 1 Correlations between cerebral tissue oxygen saturation(SctO 2 ) and somatic tissue oxygen saturation (SstO 2. The red dotted lines are trend lines and the data points in greendotted circle are measurements during SCP. The red dotted lines are trend lines and thedata points in green dotted circles are measurements during SCP. measurements during SCP included (r = 0.67, p <.
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The relationship between intraoperative cerebral oximetry and postoperative. Background: Cerebral oximetry has been widely used to measure regional oxygen saturation in brain tissue, especially during cardiac surgery.
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Table 2 Absolute values and changes of somatic tissue oxygen saturation (SstO 2 ) and cerebral tissue oxygen saturation (SctO 2 ) at different time points ( n = 26). SstO 2 -distal. SstO 2 -distal = SstO 2 distal to the tourniquet. SstO 2 -prox = SstO 2 proximal to the tourniquet. SstO 2 -contra = SstO 2 on the contralateral leg. T end = immediately before tourniquet deflation. T post = 3 – 5 min after tourniquet deflation.