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We list hundreds of Clinical Trials about "Propofol remifentanil Propofol Remifentanil Anesthesia" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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The aim of this study is to compare the accuracy of the changes in CVI in response to a standardized noxious stimulus during various targeted pseudo-steady-state concentrations of remifentanil and various steady state level of BIS as guided by propofol effect compartment controlled TCI (closed-loop).
Propofol in combination with remifentanil or midazolam can result in synergistic or additive effect. The patients who are scheduled to undergo general anesthesia are enrolled in this study. 120 patients will be randomly allocated to 3 groups(P, PR, PMR). The patients in group P will receive general anesthesia only with propofol and group PR and PMR will receive 0.25 mcg/kg/min remifentanil infusion prior to propofol. The patients in group PMR will receive 0.03 mg/kg bolu...
Electroconvulsive therapy (ECT) is a common treatment method used in severe depression and other psychiatric diseases. Currently, most ECT procedures are carried out with muscle paralysis under general anaesthesia. The anticonvulsant properties of sedative and hypnotic drugs used during general anaesthesia may reduce the efficacy of ECT. It is important to establish an accurate balance between adequate anaesthesia depth and optimal seizure duration. We aimed to compare t...
The objective of this study is to compare intraoperative and recovery parameters in patients who receive two different dose combinations of propofol and remifentanil in patients undergoing a lumbar puncture.
To compare manual administration of propofol and remifentanil and dual closed-loop using bispectral index as the control variable during pediatric anesthesia
Bispectral monitoring anesthesia with remifentanil-desflurane has a better post-operative recovery than remifentanil-propofol.
This study will examine whether the combination of two anaesthetic medications, propofol and remifentanil, is suitable for short duration surgical procedures, providing a shorter recovery time and fewer side effects than either drug used alone.
The purpose of this study is to determine if a slow stepwise propofol TCI induction with Marsh model (Ke0 0.26), allows for an accurate estimation of the effect site concentration required for maintenance of the general anesthesia, with propofol and remifentanil, in adult populations older and younger than 65 years of age.
The investigator designed this study to investigate remifentanil effect-site concentration in 95% of patients (EC95) for preventing cough after laryngomicrosurgery from propofol anesthesia.
What is the optimal maintenance dose of remifentanil to ensure apnoea, during breath hold episodes in children having cardiac MR imaging with general anaesthesia?
A standardized tetanic stimulation is applied to patients under propofol-remifentanil TCI, in a cross-over fashion, at two different levels of anesthesia monitored by the BIS: BIS 25 and BIS 55. Remifentanil target remains constant during the whole study period (1 ng/ml). Pupillary reflex dilation is recorded after each stimulation.
Propofol is a well-known induction agent which can provide sound and quick hypnosis with anti-emetic effects. However, dose dependent hypotension or bradycardia have reported while using this agent. Propofol in combination with remifentanil or midazolam can result in synergistic or additive effect in elderly patients. There are not many studies which provide minimum dose of propofol to induce hypnosis in combination with these agents and advantage of the combination. The...
For reduction of dislocated shoulder, sedation with propofol and remifentanil should give satisfactory operating conditions and pain relief, and significantly reduce the time to full recovery, compared with morphine and midazolam
This study investigates the use of remimazolam as a sedative/hypnotic in general anesthesia. Remimazolam or propofol will be administered together with fentanyl/sufentanil/remifentanil as opioid analgesics and a neuromuscular blocker. In total, 530 patients will be randomized. This group of 530 patients will be split randomly into 2 groups as follows: • 106 patients will be randomized to induction with propofol plus fentanyl or sufentanil or remifentanil and a neuromu...
Unlike longer acting opiates (sufentanil), remifentanil may provoke postoperative hyperalgesia. We have developed two automated bispectral index - guided drug delivery systems: one for propofol administration, the other for combined propofol and remifentanil administration. Both systems achieve the same objective: similar level of anesthesia indicated by bispectral index levels between 40 to 60. We make the assumption that this method of automated remifentanil administration ma...
Elderly patients show different pharmacokinetic and pharmacodynamic variables and usually need smaller doses of anesthetic drugs than younger patients. The purpose of this study was to investigate the optimal effect-site concentration of remifentanil for preventing injection pain during propofol induction in elderly patients by the Dixon's up-and-down method.
Rapid sequence induction (RSI) is a well-known procedure to maintain a safe and rapid airway in patients especially at risk of aspiration. Propofol and rocuronium are generally used agents for RSI. However, the difficult airway scenarios are always valid for these patients, even without predictive signs of difficult airway. Therefore, it is important to decrease the rocuronium dose used in RSI to achieve a rapid recovery of a neuromuscular conduction with the aid of a reversal ...
The objective of the study is to determine wether the use of the Bispectral Index Monitor (BIS) as a method to guide anaesthesia for children in different groups of age, undergoing ear nose and throat surgery anaesthetized with an infusion of Propofol and Remifentanil with an high dose of Remifentanil (0,5-2 mcg/kg/min), can lead to a reduction in the time needed for extubation and in the amount of anesthetics used.
The incidence of postoperative nausea and vomiting (PONV) after thyroidectomy have been shown to be relatively high compared other surgeries, with a reported incidence 65-75 %. PONV may increase patient discomfort, delay patient discharge, and increase the cost of patient care, the risk of postoperative bleeding which may potentially cause airway obstruction. It is reported that the maintenance of anesthesia with propofol-remifentanil or sevoflurane-propofol-remifentanil...
In children, only a few studies have compared different modes of propofol infusion during a total intravenous anesthesia (TIVA) with propofol and remifentanil. The aim of this study is to compare Bispectral Index (BIS) profiles (percentage of time spent at adequate BIS values) between four modes of propofol infusion: titration of the infusion rate on clinical signs (TIVA0), titration of the infusion rate on the BIS (TIVABIS), target controlled infusion (TCI) guided by the BIS e...
This study will be a multicentre randomized, open-label, phase IIIb study. This study will evaluate two different techniques of sedation: an analgesia based regimen with remifentanil versus a conventional sedation based regimen using propofol in subjects that require mechanical ventilation for at least 2 days in the ICU. The conventional sedation based regimen will consist of propofol combined with an opioid according to routine clinical practice (morphine, fentanyl, sufentanil...
Pharmacokinetic models for anesthetic agents are questionable. The objective of the study is to compare the propofol and remifentanil doses required to maintain the bispectral index in the range 40-60 in two groups of patients: obese patients and lean patients
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 ...
This study compares automated administration of propofol and remifentanil guided by the Bispectral index (BIS) versus manual administration for sedation after cardiac surgery.
The assessment of anesthesia depth was based, until recently, on the evolution of hemodynamic parameters. Nowadays it can be evaluated by several monitoring methods, derived from electroencephalogram analysis, namely the Bispectral Index (Aspect Medical Systems, Newton, USA). A new modality is currently under development: the NeuroSENSE (Cleveland Medical Devices Inc., Cleveland, OH 44103, USA). The goal of this study is to compare both monitoring modalities during anesthesia.