Lidocaine And Neuromonitoring in Thyroid Surgery

Status Completed

Clinical Trial Summary

The aim of this study is to test the hypothesis that the quality of recovery with topical lidocaine is better than placebo.

Clinical Trial Description

The use of neuromonitoring in thyroid surgery imposes a number of special demands for anaesthetic management. Such demands include avoiding muscle relaxation and local anaesthesia. Maintaining a balance between the risk of awakening during surgery and excessively deep anaesthesia in fast track surgery is an important task for the anaesthesiologist. Mild anaesthesia in the absence of muscle relaxation increases the risk of developing laryngeal reflexes, coughing during surgery, while excessively deep anaesthesia slows down recovery after surgery and increases the risk of arterial hypotension. The frequency and duration of arterial hypotension, as well as the depth of anesthesia assessed by the Bispectral index, are independent risk factors for postoperative cardiovascular complications and long-term mortality. On the other hand, coughing in response to irritation of the endotracheal tube during recovery from anesthesia is recognized as a risk factor for respiratory and cardiovascular complications, as well as postoperative wound insufficiency. Optimization the anesthesia by intravenous infusion of lidocaine can improve anesthesia controllability, hemodynamic stability and overall anesthesia recovery rates. Local use of lidocaine, including filling the endotracheal tube cuff with its alkalinized solution, has also been shown to be effective in reducing the frequency of laryngeal reflexes upon awakening after surgery of varying duration. However, the efficacy and safety of local use of lidocaine under neuromonitoring conditions has not been studied. Despite recommendations to avoid the local use of lidocaine for tracheal intubation, there is evidence of the safety of this technique in the absence of a negative impact on the quality of neuromonitoring. The purpose of this study is to test the hypothesis that the quality of recovery with topical lidocaine is better than placebo. At the same time, the investigators assume that recovery after surgery will be comparable with both local and intravenous use. Intergroup differences in arterial hypotension, depth of anesthesia and intraoperative neuromonitoring parameters will also be investigated. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04574947
Study type	Interventional
Source	Saint Petersburg State University, Russia
Contact
Status	Completed
Phase	Phase 4
Start date	January 25, 2021
Completion date	December 31, 2023

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.