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[Vocal Cord Dysfunction--what do we really know? A review].

K Kenn1

  • 1Klinikum Berchtesgadener Land, Abteilung für Pneumologie, Allergologie, Schlafmedizin, Schönau am Königssee, Germany. kkenn@schoen-kliniken.de

Pneumologie (Stuttgart, Germany)
|April 21, 2007
PubMed
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Vocal Cord Dysfunction (VCD) causes asthma-like breathing problems and is often misdiagnosed. Recognizing VCD

Area of Science:

  • Pulmonology
  • Laryngology
  • Respiratory Medicine

Context:

  • Vocal Cord Dysfunction (VCD) is often misdiagnosed as difficult-to-control asthma.
  • VCD symptoms mimic asthma, leading to inappropriate high-dose medication and iatrogenic morbidity.
  • The self-limiting nature of VCD symptoms (1-2 minutes) complicates diagnosis with standard methods.

Purpose:

  • To review current understanding of VCD's clinical and pathophysiological aspects.
  • To highlight VCD as a crucial differential diagnosis for intractable asthma.
  • To emphasize the importance of recognizing characteristic VCD symptoms for timely diagnosis.

Summary:

  • VCD involves episodic paradoxical vocal cord adduction causing acute dyspnea.
  • Patients present with severe, asthma-negative dyspnea unresponsive to standard treatments.

Related Experiment Videos

  • Misdiagnosis can lead to significant psychiatric distress, including anxiety and panic attacks.

    • Impact:

    • Early VCD diagnosis prevents prolonged illness and reduces medication-related harm.
    • Improved awareness aids physicians in identifying VCD without extensive testing.
    • Accurate diagnosis mitigates economic burdens associated with prolonged, ineffective treatments.