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Related Experiment Videos

Arytenoid dislocation after cardiac surgery.

Y Niwa1, A Nakae, M Ogawa

  • 1Department of Anesthesiology and Intensive Care Medicine, Graduate School of Medicine, Osaka University, Suita City, Osaka, Japan.

Acta Anaesthesiologica Scandinavica
|October 20, 2007
PubMed
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Arytenoid cartilage dislocation is a rare laryngeal injury. Transesophageal echocardiography (TEE) probe insertion during cardiac surgery may cause this injury, even with subtle force.

Area of Science:

  • Laryngology
  • Cardiology
  • Anesthesiology

Background:

  • Arytenoid cartilage dislocation and subluxation are uncommon laryngeal injuries, often linked to upper aerodigestive tract instrumentation.
  • The exact cause of these injuries is frequently challenging to pinpoint.

Observation:

  • A case of arytenoid dislocation occurred after cardiac surgery involving transesophageal echocardiography (TEE).
  • This prompted a review of cricoarytenoid joint injury mechanisms.

Findings:

  • Even minimal force can dislocate the arytenoid cartilage.
  • Careless TEE probe insertion is a potential mechanical cause of arytenoid dislocation and subluxation.

Implications:

  • Transesophageal echocardiography (TEE) is increasingly used in cardiac surgery for monitoring.

Related Experiment Videos

  • The incidence of TEE-related arytenoid injuries may rise; understanding pathophysiological risks is crucial.
  • Informed consent for TEE monitoring in cardiac surgery must include potential risks.