CE/CME

Vocal Cord Dysfunction: Unmasking the Asthma Pretender

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OUTCOMES
Little is known about long-term outcomes for patients with VCD. The current literature consists of poorly described and conflicting case reports and results of small trials. Although documentation is lacking, the authors agree that, by educating the patient about the diagnosis, teaching effective VCD management strategies, and referring patients for voice therapy, clinicians can help patients achieve signicant improvement. Further investigation is needed to enhance our knowledge of the causes of VCD and to research additional diagnostic modalities and treatments.2

CASE PATIENT
After diagnosing VCD, the clinician explained the normal functioning of the vocal cords and how certain factors may cause them to close during inspiration. The patient then understood why bronchodilator therapy had failed to relieve her symptoms. She was counseled to continue her inhaled nasal steroid and proton pump inhibitor for her perennial nonallergic rhinitis and GERD, respectively, because these conditions may trigger her VCD, and to take steps to manage her stress. She learned breathing techniques to alleviate acute episodes of VCD and was informed of the option of voice therapy with a speech therapist if needed.

At six-week follow-up, the patient reported that she was complying with her medication regimen, had made an effort to relax more, and had experienced no acute attacks of VCD since her last visit.

CONCLUSION
Patients with symptoms suggestive of VCD require a thorough evaluation, including laryngoscopic examination, to ensure accurate diagnosis and avoid a too-common misdiagnosis. Primary care clinicians should know about VCD and, if not trained in the performance of flexible laryngoscopy, should refer the symptomatic patient to a specialist for appropriate work-up.

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