View clinical trials related to Anesthesia, Intravenous.
Filter by:This prospective, randomized, single-blinded study is designed to compare the recovery profile between propofol-based total intravenous anesthesia (TIVA) and remimazolam-based TIVA in patients undergoing thyroidectomy. In the remimazolam group, its antagonist, flumazenil, is administered at the end of surgery. We hypothesize that remimazolam-based TIVA antagonized by flumazenil can significantly shorten the time from the end of anesthetic administration to eye-opening compared to propofol-based TIVA.
In this trial the investigators want to examine if there is any difference in hemodynamic stability during induction when comparing two low and a medium remifentanil dose and keeping propofol induction dose at about 2.0 mg/kg.
The study objective is to examine if a high propofol dose is non-inferior to a low dose in respect to hemodynamic stability in healthy patients during induction of general anesthesia with propofol and remifentanil.
A phase III confirmatory trial evaluating the efficacy and safety of remimazolam (CNS7056) compared to propofol for intravenous anesthesia during elective surgery in ASA Class III/IV patients.
This is a randomized, controlled trial designed to investigate whether the use of virtual reality immersive relaxation during hand/arm operations can allow for a relaxing operating room experience for patients while potentially reducing anesthesia requirements.
Oxygenation with high-flow nasal cannula with 100% oxygen has only been evaluated in a limited number of studies. Although data are convincing it is of importance to evaluate this new concept in our department before implementing it into clinical practice. The general purpose of this project is to evaluate a new ventilation strategy during ENT-surgery based on oxygenation with high-flow nasal cannula with 100% oxygen with focus on gas exchange.
Surgery is one of the major treatment methods for patients with malignant tumor. And, alone with the ageing process, more and more elderly patients undergo surgery for malignant tumor. Evidence emerges that choice of anesthetics, i.e., either inhalational or intravenous anesthetics, may influence the outcome of elderly patients undergoing cancer surgery. From the point of view of immune function after surgery and invasiveness of malignant tumor cells, propofol intravenous anesthesia may be superior to inhalational anesthesia. However, the clinical significance of these effects remains unclear. Retrospective studies indicated that use of propofol intravenous anesthesia was associated higher long-term survival rate. Prospective studies exploring the effect of anesthetic choice on long-term survival in cancer surgery patients are urgently needed.
Research suggests that the type of anesthesia used for surgery may affect intraoperative stress hormone levels. There is also data to support that an increased level of stress hormones leads to increased pain after surgery. The primary aim of this study is to determine the effect of anesthesia type on long term pain after hernia surgery. In this study, patients undergoing inguinal hernia repair will be randomized to an anesthetic group, either Total Intravenous Anesthesia (TIVA) maintained with propofol or Balanced Inhaled Anesthesia (BIA) maintained with sevoflurane. This will allow us to look at any differences in short and long-term pain after hernia repair depending on type of anesthesia received.
Closed loop system in intravenous anesthesia is more effective to maintain depth of anesthesia compared with manual system open, it is unclear what driver and variables to achieve this goal be more physiological; in the literature doesn´t exist studies showing that the closed-loop system for both hypnotic and opioid is better than the controlled pharmacokinetic models and open loop system (target controlled infusion-TCI) to maintain anesthetic depth. In addition, the infusion of the opioid lacks physiological controllers in closed loop. Thus, a system was designed for intravenous anesthesia in closed loop for propofol as hypnotic based on neuromonitoring bispectral index as anesthetic depth, and was integrated an additional closed system for remifentanil using hemodynamic variables and control algorithm associated with bispectral index. The purpose of this study is to determine the therapeutic effectiveness of a new system of administration of intravenous anesthesia in closed loop to maintain a depth of anesthesia compared to an open loop system TCI.
During general anesthesia the basic non-invasive monitoring of hemodynamic parameters (blood pressure, O2-saturation, cardiogram) is crucial. It can be enhanced to so called "extended hemodynamic monitoring" depending on the operation and patient. Frequently an invasive arterial cannula is used to provide continuous information on the blood pressure. This invasive method is very accurate and clinically established, but can be linked to adverse effects e.g. reduction of the circulation flow distal of the canulla, haematoma, infection etc. ccNexfin (Edwards Lifescience) is a finger cuff measuring the blood pressure in a non-invasive manner. It thus offers beat-to-beat information even about the extended hemodynamic parameters as cardiac output (CO), cardiac index (CI), stroke volume (SV), stroke volume index (SVI) and stroke volume variation (SSV), if connected to the clinical platform EV1000 (Edwards Lifescience). Assuming that the two methods are equal we plan to measure extended hemodynamic parameters before, during induction and during ongoing anesthesia both invasive and non-invasive. Data will be recorded every 30sec. Clinical evaluation of the ccNexfin technology in respect to extended hemodynamic parameters is to our knowledge rare and further assessment in this field is needed to offer patients a potentially equally reliable but less invasive monitoring. Furthermore the study should model the effect of remifentanil, propofol or its combination on haemodynamics .