Exercise-induced laryngochalasia: an imitator of exercise-induced bronchospasm.
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Útgáfudagur
2000-11-01
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Ann. Allergy Asthma Immunol. 2000, 85(5):387-91Útdráttur
BACKGROUND: Patients with exercise-induced laryngochalasia present with dyspnea and stridor during exercise. Symptoms are due to a subtotal occlusion of the larynx resulting from mucosal edema from the aryepiglottic folds being drawn into the endolarynx. METHODS: We report on three patients with exercise-induced bronchospasm, refractory to standard therapy. RESULTS: Spirometry with flow-volume loops revealed truncation of the inspiratory limb. Abnormal movement of the arytenoid region was visualized on laryngoscopy. A diagnosis of exercise-induced laryngochalasia was made. CONCLUSIONS: Evaluation of laryngeal motion in patients with refractory exercise-induced bronchospasm is important. Surgical correction with laser laryngoplasty is effective in carefully selected cases.Lu00FDsing
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