Real-Time Dynamic Imaging Study of Normal Pharyngolaryngeal Structures During Barium Swallow (GLAM-III)
Recruiting
Observational Study
Barium Meal Examination
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Age
- 18 – 75
- Sex
- Any
- Study type
- Observational
- Participants needed
- 3 (estimated)
- Sponsor
- Zhejiang Cancer Hospital · Other
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About This Trial
The integrity and functional stability of pharyngolaryngeal anatomical structures are critical for airway management, and the dynamic changes of key structures (e.g., pyriform sinus, cricoid cartilage lamina) during swallowing directly relate to the design and clinical safety of laryngeal masks. This observational study aims to investigate the real-time dynamic changes and physiological movement p…
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* Aged 18-75 years;
* No history of pharyngolaryngeal surgery, trauma, or congenital malformation;
* No swallowing dysfunction, pharyngolaryngeal inflammation, or neurological diseases affecting swallowing;
* No recent use of drugs that affect muscle function (e.g., muscle relax…
Contacts