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New-Generation GMA Laryngeal Mask Airway Versus Conventional Inflatable Laryngeal Mask Airway
Sponsor: First Affiliated Hospital of Zhejiang University
Summary
This study aims to compare the new-generation GMA laryngeal mask airway (LMA) with the traditional inflatable LMA in patients undergoing elective surgery under general anesthesia. The primary objectives are to evaluate the safety, effectiveness, stability, ease of use, and patient comfort of the GMA LMA, providing practical guidance for clinical airway management. Additionally, this research will analyze the anatomical positioning and sealing mechanism of the LMA to identify factors influencing proper alignment and airway sealing. The findings may contribute to future improvements in LMA design, enhancing patient safety and procedural success. This study is designed for healthcare providers, anesthesiologists, and researchers seeking evidence-based recommendations for LMA selection in clinical practice. Participation involves standard anesthesia procedures with close monitoring to ensure patient safety.
Official title: A Multicenter, Randomized Controlled Study Comparing the Effectiveness of the New Generation GMA Laryngeal Mask and Conventional Laryngeal Mask in Airway Management During General Anesthesia
Key Details
Gender
All
Age Range
18 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
1384
Start Date
2025-09-18
Completion Date
2027-07-31
Last Updated
2026-02-04
Healthy Volunteers
No
Conditions
Interventions
GMA Laryngeal Mask Airway
The GMA-Tulip is a new single-use supraglottic airway device (SAD). Device size is selected based on the patient's weight and height, following manufacturer guidelines.
Inflatable Laryngeal Mask Airway
The comparator is a conventional inflatable Laryngeal Mask Airway (LMA) of appropriate size (selected by weight/height), inserted using standard clinical protocols.
Locations (1)
The First affiliated Hospital, School of Medicine, Zhejiang University
Hangzhou, Zhejiang, China