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1.
Tuberculosis and Respiratory Diseases ; : 270-274, 2001.
Artículo en Coreano | WPRIM | ID: wpr-107409

RESUMEN

A functional upper airway obstruction due to a vocal cord dysfunction(VCD) is characterized by a paradoxical adduction of the vocal cords throughout the respiratory cycle with no obvious organic cause for the obstruction. It commonly occurs paroxysmally and imitates acute asthmatic attacks, often in patients with coexisting asthma. They present with episodes of dyspnea associated with inspiratory wheezing that persists despite conventional asthma treatment and a flattening of the inspiratory limb of the flow-volume curve; an adduction of the vocal cord during inspiration. Failure to recognize concurrent vocal cord dysfunction and asthma has led not only to the excessive use of bronchodilators and corticosteroids, but also to intubation and tracheostomy. Here, we report a case of coexistent obstructive pulmonary disease and functional upper airway obstruction due to a vocal cord dysfunction where a bronchoscopy showed a paradoxical vocal cord motion and typical features of a variable extrathoracic obstruction and a lower airway obstruction on the Flow-volume loop during a symptomatic period.


Asunto(s)
Humanos , Corticoesteroides , Obstrucción de las Vías Aéreas , Asma , Broncodilatadores , Broncoscopía , Disnea , Extremidades , Intubación , Enfermedades Pulmonares Obstructivas , Ruidos Respiratorios , Traqueostomía , Disfunción de los Pliegues Vocales , Pliegues Vocales
2.
Tuberculosis and Respiratory Diseases ; : 449-454, 1996.
Artículo en Coreano | WPRIM | ID: wpr-112107

RESUMEN

Functional upper airway obstruction due to vocal cord dysfunction is being increasingly recognized and has been variously described as "Munchausen's stridor", "Emotional laryngeal wheezing", "Nervous asthma". It's features are symptoms of acute reversible recurrent dyspnea associated with an inspiratory stridor, normal anatomy of the upper airway, demonstration of variable severe exthrathoracic upper airways obstruction with pathologic adduction of the vocal cord at bronchoscopy. The patients with this condition are frequently misdiagnosed as asthma and the diagnosis is often delayed. So they can present a serious medical problem and are exposed to the complication of treatment and investigation. We report a case of functional upper airway obstruction due to vocal cord dysfunction who showed paradoxical vocal cord motion at bronchoscopy and typical features of variable exthrathoracic obstruction on Flow-volume loop during a symptomatic period.


Asunto(s)
Humanos , Obstrucción de las Vías Aéreas , Asma , Broncoscopía , Diagnóstico , Disnea , Ruidos Respiratorios , Disfunción de los Pliegues Vocales , Pliegues Vocales
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