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NCT06091631
Magnesium sulfate has many mechanisms of action for attenuating the stress response as inhibition of catecholamine releasing from the adrenal medulla, keeping the plasma concentration of epinephrine at a fixed level, decreasing the circulating norepinephrine level when compared to that of a control group\[ and also has a vasodilation effect on systemic and coronary blood vessels by blocking calcium ion in vascular smooth muscle.-Methyl- D-Aspartate (NMDA) antagonism is an amazing recent discovery for magnesium sulphate to play an important role in stress response. In this study, we will study the effects of nebulized magnesium sulfate on hemodynamics during intubation.
NCT06275542
Patients undergoing general anesthesia will have an endotracheal tube inserted. Adequate muscle strength recovery in the recovery room is crucial to ensure before extubation. One of the criteria we use to determine the recovery of muscle strength post-use of muscle relaxants in conditions without specific monitoring devices is the ability to maintain body oxygen levels without oxygen assistance for 3 minutes. This study aims to determine the muscle strength value in the recovery room using extubation strategies without muscle strength monitoring compared to extubation strategies with muscle strength monitoring.
NCT05941767
Laryngoscopy, tracheal intubation, surgical stimulation, and extubation unleash remarkable sympathetic activity and are associated with transient but significant hemodynamic changes. The need to blunt these noxious responses effectively has led to using several techniques and pharmacological agents, local anesthetics, beta-adrenergic-blockers, calcium channel antagonists, and opioids with varied success. This study aims to evaluate the effect of nebulized and intravenous either dexmedetomidine or lidocaine for attenuating the hemodynamic responses to laryngoscopy and intubation.
NCT03902704
Cleverscope is a new medical device that transform a laryngoscope into a videolaryngoscope. previous its commercialization we evaluate its safety and efficacy.
NCT03239236
This study investigates the effect of 4 different methods of rapid sequence induction (RSI) in morbidly obese patients on the amount of air insufflation into the stomach.
NCT03910504
In this randomized controlled trial the investigators want to assess if, compared to controls, the administration of one single low-dose of rocuronium would increase the occurrence of absent or weak (i.e. amplitude \<100 μV) signal at V1 and R1, indicating a residual NMBA activity. In addition, we also recorded: 1) the occurrence of difficult laryngoscopy; 2) the time-to-intubation; 3) the occurrence of difficult intubation; 4) the number of intubation attempts; 5) the intubation failure rate; 6) the need for oxygenation between intubation attempts; 7) the lowest peripheral saturation in oxygen (SpO2); 8) the number of severe desaturations; 9) the time-to-V1 and 10) the number of post-surgical complications.
NCT03550924
This project will investigate the duration of apnea without desaturation when using transnasal humidified rapid insufflation ventilatory exchange (THRIVE) vs. low flow nasal oxygen at anesthesia induction in obese patients.
NCT04110899
In this study, the median paratracheal force for occluding the upper esophagus are evaluated in anesthetized and paralyzed patients using the up-and-down technique.
NCT03462732
The value of this study is to compare between stented endotracheal tube with nelaton catheter and non stented tube as regard nasotracheal related complications as epistaxis and nasal cavity injury.
NCT02039427
Sore throat is one of most frequent complaints related to general anesthesia with tracheal intubation. Although sore throat is regarded as a minor and short-lasting discomfort after surgery, its incidence and intensity in high risk patients such as female gender, head and neck surgery and difficult laryngoscopy or intubation may attribute to prolong postoperative recovery and give patient dissatisfaction. Even though the pathophysiology of post-intubation airway symptoms is not completely clarified yet, the mucosal damage related inflammation at the cuff of endotracheal tube has been thought to be an essential trigger. Thus anti-inflammatory medication has been commonly used strategy to prevent postoperative airway discomfort after intubation. The preoperative administration of dexamethasone has been reported to reduce the incidence and severity of postoperative sore throat, but it is accompanied with the adverse effects such as hyperglycemia, delayed wound healing and increased infection in surgical patients. Ketorolac, non-steroidal anti-inflammatory drug (NSAID), is an analgesic that commonly used for postoperative pain control and has anti-inflammatory effect. Therefore, the investigator designed to evaluate the effect of ketorolac on sore throat in comparison to dexamethasone after thyroidectomy in female adult patients
NCT02627755
The use in a combined way of two systems of intubation (Glidescope + aScope) would condition an increase in the success rate of endotracheal intubation maneuver compared to conventional isolated Glidescope use in patients with clinical criteria of difficult airway.
NCT01812915
When using nitrous oxide for general anesthesia, nitrous oxide diffusion induces intracuff hyperinflation of the endotracheal tube. Furthermore the difference among various types of cuffed endotracheal tubes in cuff pressure behavior during nitrous oxide exposure. TaperGuard(TM) tube has been newly introduced and has tapered-shape cuff. In vitro study, the intracuff pressure of TaperGuard(TM) tube was lower than that of conventional tube with cylindrical-shaped cuff of the conventional tube(Hi-Lo(TM) tube). Therefore, this clinical study is needed to evaluate the intracuff pressure during general anesthesia with nitrous oxide exposure.
NCT02564640
Tracheal intubation techniques that avoid or minimize pharyngolaryngeal stimulation might attenuate the hemodynamic stress response. Tracheal intubation using video laryngoscope needs comparatively less airway manipulation so, the investigators expect less hemodynamic response while using videolaryngoscope.
NCT01917435
The aim of the study is to investigate the efficiency of the Video-stylet (Trachway ®) and the fiberoptic bronchoscopy in facilitation of nasotracheal intubation in limited mouth opening patients.
NCT01691703
A difficult tracheal intubation can be a problem, even if one has taken all precautions. A possible solution can be using a videolaryngoscope in conjunct with the Bonfils® intubation scope. As such, the videolaryngoscope can be used to achieve the best possible view and space of the laryngeal inlet for the insertion and manoeuvring of the Bonfils® intubation scope.
NCT01518608
Induction of anesthesia: After 3 minutes pre-oxygenation with 100% oxygen, a blinded dose alfentanil (0,10,20,30,40,50 or 60 µg/kg, followed by thiopental 4 mg/kg and rocuronium 0.6 mg/kg will be administered over 15 sec. Laryngoscopy will be performed 40 s. after injection of rocuronium, with the goal being to have the endotracheal tube passed through the patients vocal cords and the cuff inflated within the following 15 s . The investigator performing the tracheal intubation is blinded to the dose of alfentanil administered. Blood samples: As part of the study efficacy, blood samples, will be collected prior to induction and 30 s., 1 min. 3 min. and 5 min postintubation to determine blood concentrations of alfentanil and catecholamines.
NCT01289769
The purpose of this study is to evaluate the effect of dexmedetomidine on hemodynamic responses during laryngoscopy and double lumen endotracheal intubation and assess the adverse effect related to complications of dexmedetomidine.