Pulmonary Ultrasound for the Assessment of Atelectasis in Anesthetized

Status Recruiting

Clinical Trial Summary

This study will use lung ultrasounds (LUS) to evaluate the incidence and severity of intraoperative atelectasis in anesthetized children undergoing minor surgery using a laryngeal mask airway. The children will be randomly assigned to be left in spontaneous ventilation with a Positive End Expiratory Pressure (PEEP) of 5cmH2O or to be ventilated with a pressure support mode.

Clinical Trial Description

It is well known and described the deleterious effect that general anesthesia (GA) has on functional residual capacity (FRC), especially in children. This population is at higher risk of decreasing FRC during GA because of their lower capacity for elastic retraction and lower relaxation volume comparing to adults, predisposing them to the development of atelectasis and airway closure. These factors will lead to intrapulmonary shunts, which may impair the gas exchange and consequently oxygenation. By reducing the intrapulmonary shunt, Positive End Expiratory Pressure (PEEP) during controlled mechanical ventilation in patients with healthy lungs optimizes the FRC. However, the available data for an optimal ventilation strategy, including optimal PEEP, using a laryngeal mask airway (LMA) in the pediatric population are scarce, even though this device is frequently used in all age groups for brief general anesthesia. Diagnosing anesthesia-induced atelectasis in the perioperative period can be possible by using lung ultrasounds (LUS), a simple, easily accessible, non-invasive and radiation free technique, which might help determine the impact in pulmonary aeration between different ventilation strategies. In our study, we will focus on comparing spontaneous ventilation (VS) with a PEEP of 5 cmH2O and pressure-support ventilation using a LMA in anesthetized children undergoing minor and elective outpatient surgery. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06214312
Study type	Observational
Source	Centre Hospitalier Universitaire Saint Pierre
Contact	Andrea Carini, MD
Phone	+32 025354250
Email	andreacarini1@gmail.com
Status	Recruiting
Phase
Start date	January 15, 2024
Completion date	June 30, 2024

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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.

Pulmonary Ultrasound for the Assessment of Atelectasis in Anesthetized Children Using a Laryngeal Mask Airway.

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms