View clinical trials related to Hemodynamic Instability.
Filter by:Background: Earlier treatment and resolution for patients with cerebral aneurysms is now possible due to earlier diagnosis. This observational study aims to evaluate the intraoperative cardiovascular parameters in patients with cerebral aneurysms undergoing endovascular therapy. Method: This is an observational prospective study. Patients ≥ 18 years old diagnosed with an unruptured cerebral aneurysm or subarachnoid hemorrhage (SAH) (Hunt & Hess grade I or II) undergoing endovascular treatment under general anesthesia between April 2015 and February 2017 were included. Non-invasive measurements of hemodynamic variables were collected at six time points during the procedure (T1 to T6). Statistical analysis was performed by using central tendency measures for quantitative variables and absolute / relative frequency measurements for qualitative variables.
The proposed research evaluates tissue oxygenation (StO2) as measured by resonance raman spectroscopy (RRS) in premature infants with and without patent ductus arteriosus (PDA). This is a prospective observational study of infants born at < 30 weeks of gestation. The primary aim of this study is to determine if the difference in pre- and post-ductal StO2 as detected by RRS is more significant in premature infants with PDA in comparison to infants without PDA. The secondary aim of this study is to determine if the difference in pre- and post-ductal StO2 as detected by RRS is more significant in infant who develop serious adverse events.
This research will be the first study for exosomes purified in blood and urine from septic patients who had multiple organ failures. Proteomics studies in exosomes from blood or urine specimens. Analyze autophage, and apoptosis related biomarkers of exosomes by bioinformatics. To find the correlations between exosomes biomarkers and hemodynamic parameters.
Compared to single-dose spinal anesthesia, continuous spinal anesthesia using small titrated doses of local anesthetic, was safe, efficient and provided better hemodynamic profile in elderly patients. The aim of this study was to investigate the hemodynamic effects of continuous spinal anesthesia in elderly patients undergoing knee arthroplasty. Investigators use the FloTrac sensor/Vigileo haemodynamic monitoring system to assess modification blood pressure, stroke volume and cardiac output during anesthesia and specialy after every bolus of spinal anesthesia, after inflating the tourniquet and after putting it off. they recorded number of hypotension episodes, ephedrine bolus and consumption until 2 hours after the end of surgery.
This study compares two blood pressure targets and two oxygenation targets in the post-resuscitation care of comatose out-of-hospital cardiac arrets patients. Using a novel method the blood pressure-intervention is double-blinded. The oxygenation-intervention is open-label. As a subordinate study, the patients will be randomized 1:1 to active fever-control with an automated feedback temperature control-device for 36 or 72 hours following return of spontaneous circulation.
This study aims to Analyze and compere the hemodynamic and respiratory variables before, during and after the applying of technic as well as evaluate respiratory pressures generated during applying of this same technic and correlate them with the effort noticed by device user.
To evaluate the impact of perioperative, algorithm driven, hemodynamic therapy based on individualized fluid and cardiac output optimization on postoperative moderate and severe complications in patients undergoing major abdominal surgery including visceral, urological, and gynecological operations. In the proposed study, hemodynamic therapy is tailored individually to each patient, based on individual preload optimization by the functional parameter "pulse pressure variation (PPV)" and based on an individually titrated goal of cardiac index. The proposed study therefore further develops the concept of hemodynamic goal-directed therapy to individually set goals and is designed to assess its impact on morbidity and mortality.
Hemodynamically unstable ventilated PICU & PCICU patients, which a decision for commencement in inotropic therapy or fluid bolus has been made, will be recruited. Hemodynamic measurements will be carried out before and after therapy have been made, including customary hemodynamic parameters, echocardiography and USCOM studies. All parameters will be analyzed for fluid responsiveness or inotropic therapy prediction. Trend in USCOM parameters will be compared to echocardiography CO parameters.
Evaluate the feasibility and quality of automated anesthesia, analgesia and fluid management based on a combination of several physiological variables (bispectral index [BIS], stroke volume [SV], and stroke volume variation [SVV]) using 2 independent physiologic closed-loop systems (PCLS) in patients undergoing high risk vascular surgery
Feasibility trial on the use of a hybrid optical device integrating time-resolved near-infrared spectroscopy (TRS) and diffuse correlation spectroscopy (DCS) for measurement of cerebral oxygen metabolism and blood flow in neonates. The device wil be tested in four settings measuring: 1. Changes in cerebral oxygenation and haemodynamics after birth 2. precision and repeatability 3. The cerebral vaso-reactivity to arterial carbon dioxide 4. Assessment of the user-friendliness and loss of signal in routine care