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Is Laryngeal Ultrasound Useful in the Assessment for ILO? A Protocol for a Two-stage Exploratory Pilot Study

RECRUITINGSponsored by Lancashire Teaching Hospitals NHS Foundation Trust
Actively Recruiting
SponsorLancashire Teaching Hospitals NHS Foundation Trust
Started2022-08-24
Est. completion2025-06-27
Eligibility
Age18 Years+
Healthy vol.Accepted
View on ClinicalTrials.gov →

NCT05686941

Summary

This study is a feasibility study to see if an ultrasound scan of the vocal cords can detect narrowing of the vocal cords as seen in a condition called inducible laryngeal Obstruction (the vocal cords narrow or close on breathing in, which makes it very difficult to breathe).

Eligibility

Age: 18 Years+Healthy volunteers accepted
Inclusion Criteria:

Healthy volunteers:

* No definite signs or symptoms of vocal fold paralysis
* No voice change
* No history laryngeal surgeries
* No History of pathology
* No uncontrolled Respiratory disease

Exclusion Criteria:

* Participants with a known vocal fold pathology
* Participants with a history of head and neck surgery.

Conditions5

AsthmaAsthma BrittleInducible Laryngeal ObstructionParadoxical Vocal Fold MotionVocal Cord Dysfunction

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