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[Inducible laryngeal obstruction: detection and management]
Danaé Guedj1, Eberhard Seifert2, Yves Jaquet3
1Service d'ORL et chirurgie cervico-faciale, Département des neurosciences cliniques, Hôpitaux universitaires de Genève, 1211 Genève 14.
Revue Medicale Suisse
|October 4, 2023
Summary
Inducible laryngeal obstruction (ILO) causes paradoxical airway closure during exertion, mimicking asthma. Diagnosis via videolaryngoscopy during ergometry guides treatment for this breathing disorder.
Area of Science:
- Respiratory Medicine
- Otolaryngology
Context:
- Inducible laryngeal obstruction (ILO) presents as paradoxical upper airway closure during breathing.
- Symptoms include respiratory distress and noisy breathing, often during maximal exertion.
- ILO can be mistaken for acute asthma attacks.
Purpose:
- To describe the pathophysiology of inducible laryngeal obstruction (ILO).
- To discuss paraclinical examinations for diagnosing ILO.
- To review current treatment options for ILO.
Summary:
- ILO involves paradoxical closure of the upper airway, leading to breathing difficulties.
- Triggers include maximal exertion, irritant inhalation, reflux, and stress.
- Videolaryngoscopy during ergometry is the gold standard for diagnosis.
Impact:
- Improved understanding of ILO pathophysiology.
- Guidance on diagnostic procedures and differential diagnosis.
- Information on effective treatment strategies for patients with ILO.
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