Postoperative Sore Throat: Interest of the Videolaryngoscope

Status Completed

Clinical Trial Summary

Postoperative sore throat is a complication of orotracheal intubation. The aim of our study was to assess the impact of videolaryngoscopy on postoperative sore throat during the first 24 hours following surgery. This was a prospective, randomized study, over a period of 9 months. The investigators included 136 patients with non-difficult airway, classified ASA I to III and over 18 years old. The patients were randomized into 2 groups: the VL group including 70 patients intubated with direct laryngoscopy and the LD group including 66 patients intubated with videolaryngoscopy.

Clinical Trial Description

The investigators monitored blood pressure, ECG, saturation in oxygen, capnograph, temperature and curarization. They also monitored cuff pressure using manometer. The investigators pre-oxygenated the patients until the fractional expired oxygen was over 90%, then induced anaesthesia using either 2.5 to 3.5 mg/kg of propofol or 0.3 to 0.4 mg/kg of etomidate, then 1mg/kg of suxamethonium (in absence of contraindication). If modified crash induction was performed, the anaesthesiologist mentioned the opioid used. The investigators performed laryngoscopy using either a Macintosh laryngoscope using a number 4 blade in LD group, or a McGrath video-laryngoscope with a number 4 blade in VL group and a stylet when needed. Women were intubated using number 7 tube and man using a 7.5 tube. They inflated the cuff with 7ml of air, and controlled pressure by manometer every 30 minutes in order to maintain it between 20 and 25 mmHg. The investigators ventilated patients with assisted controlled mode using a 6ml/kg of ideal weight volume, a 6 mmHg PEEP, a 50% inspired fraction of oxygen and a respiratory rate guaranteeing an end-expiratory CO2 level between 35 and 40 mmHg. Then, they administrated 4 mg of Ondansetran in order to prevent postoperative nausea and vomiting (PONV). The investigators maintained anaesthesia using either isoflurane or sevoflurane, 0.1 μg/kg of sufentanil and 0.05 mg/kg of atracurium. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05614414
Study type	Interventional
Source	Mongi Slim Hospital
Contact
Status	Completed
Phase	N/A
Start date	January 8, 2021
Completion date	December 31, 2021

View Details

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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.