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Updated: Jul 7, 2025
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Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
Published on: December 1, 2023
512
Vocal cord dysfunction/inducible laryngeal obstruction cannot be diagnosed from symptoms
Grace Yap1, Laurence E Ruane1,2, Kais Hamza3
1Monash Lung Sleep Allergy and Immunology, Monash Health, Melbourne, Victoria, Australia.
ERJ Open Research
|December 28, 2023
Summary
Vocal cord dysfunction, also known as inducible laryngeal obstruction, presents variably. Standard symptoms and questionnaires are insufficient for diagnosing this condition in patients with lung disease.
Area of Science:
- Pulmonology
- Otolaryngology
- Respiratory Medicine
Background:
- Vocal cord dysfunction (VCD), or inducible laryngeal obstruction (ILO), is a complex condition.
- It is characterized by abnormal adduction of the vocal cords during respiration.
- VCD/ILO can mimic or coexist with other respiratory conditions, complicating diagnosis.
Purpose of the Study:
- To evaluate the diagnostic utility of standard clinical symptoms and questionnaires for VCD/ILO.
- To determine if these tools can predict laryngoscopic findings in patients with suspected lung disease.
Main Methods:
- A study population with "lung disease" was assessed.
- Standard clinical VCD/ILO symptoms and validated questionnaires were administered.
- Laryngoscopic diagnosis was used as the gold standard.
Main Results:
- Vocal cord dysfunction/inducible laryngeal obstruction exhibits significant variability in presentation.
- Conventional clinical symptoms and questionnaires demonstrated poor predictive value for laryngoscopic diagnosis.
- Diagnosis of VCD/ILO in this "lung disease" cohort was not reliably predicted by standard assessments.
Conclusions:
- Standard clinical assessments are inadequate for diagnosing VCD/ILO in patients with underlying lung conditions.
- Laryngoscopy remains crucial for accurate VCD/ILO diagnosis in this population.
- Further research is needed to identify better diagnostic markers for VCD/ILO.
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