Related Experiment Video
Updated: Jul 6, 2026

Laryngeal Mask Airway (LMA) Placement in a Neonatal Patient Simulator Using a Non-Inflatable Supraglottic Airway (SGA)
Published on: July 14, 2023
A randomized trial comparing two laryngeal mask airway insertion techniques
1Department of Anaesthesia and Surgical Intensive Care, Changi General Hospital, Singapore.
Laryngoscopic-guided insertion of the laryngeal mask airway (LMA) showed no significant difference compared to standard techniques. This airway management method may offer benefits in specific situations.
Area of Science:
- Anesthesiology
- Airway Management
- Surgical Procedures
Background:
- Effective airway management is crucial for patient safety during anesthesia.
- The laryngeal mask airway (LMA) is a common supraglottic airway device.
- Standard insertion techniques for LMAs are well-established but can be challenging.
Purpose of the Study:
- To compare the efficacy and safety of laryngoscopic-guided laryngeal mask airway insertion versus standard insertion.
- To evaluate differences in insertion success, patient trauma, and postoperative discomfort.
Main Methods:
- A randomized controlled trial involving 149 patients undergoing elective surgery.
- Patients were divided into two groups: laryngoscopic-guided LMA insertion and standard LMA insertion.
- Key endpoints included ease of insertion, hemodynamic responses, bleeding, and sore throat.
Main Results:
- No statistically significant differences were observed between the two groups for any of the study endpoints.
- Ease of insertion, hemodynamic stability, local trauma, and postoperative sore throat were comparable.
Conclusions:
- Laryngoscopic guidance does not appear to offer a significant advantage over standard techniques for LMA insertion in this patient cohort.
- However, the laryngoscope might be beneficial in specific challenging airway scenarios.
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