Clinical associations in the diagnosis of vocal cord dysfunction

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Presentation transcript:

Clinical associations in the diagnosis of vocal cord dysfunction Rung-Chi Li, DO, PhD, Umesh Singh, MD, PhD, Hugh Porter Windom, BS, Stephen Gorman, PhD, Jonathan A. Bernstein, MD Annals of Allergy, Asthma & Immunology Volume 117, Issue 4, Pages 354-358 (October 2016) DOI: 10.1016/j.anai.2016.08.002 Copyright © 2016 American College of Allergy, Asthma & Immunology Terms and Conditions

Figure 1 Videostroboscopy findings for a definite diagnosis of vocal cord dysfunction (VCD) demonstrating a characteristic pattern of incomplete vocal fold adduction with inhalation after the exposure to an ammonia inhalant capsule. Panel (1) represents /i/ phonation; panel (2) exhalation; and panel (3) inhalation with the characteristic glottic chink of the posterior vocal cords consistent with VCD. Annals of Allergy, Asthma & Immunology 2016 117, 354-358DOI: (10.1016/j.anai.2016.08.002) Copyright © 2016 American College of Allergy, Asthma & Immunology Terms and Conditions

Figure 2 Laryngoscopic comparison of a patient with laryngopharyngeal reflux (A) and the same patient in Figure 1 with vocal cord dysfunction induced by exercise maneuver (B). Annals of Allergy, Asthma & Immunology 2016 117, 354-358DOI: (10.1016/j.anai.2016.08.002) Copyright © 2016 American College of Allergy, Asthma & Immunology Terms and Conditions

Figure 3 A high reflux symptom index (RSI) was significantly associated with edema and erythema of the posterior arytenoid (PA) area (P = .01) and to a lesser extent with pachyderma in the interarytenoid (IA) space (P = .13). These characteristics were used to differentiate normal vocal cord dysfunction function with laryngopharyngeal reflux from a definite VCD diagnosis. Annals of Allergy, Asthma & Immunology 2016 117, 354-358DOI: (10.1016/j.anai.2016.08.002) Copyright © 2016 American College of Allergy, Asthma & Immunology Terms and Conditions