Highlights
- •Transcutaneous laryngeal ultrasonography showed good vocal cord visualization.
- •Ultrasonography can be considered when laryngoscopy is unavailable.
- •Ultrasonography is diagnostically accurate in a variety of situations.
Abstract
Background
Early diagnosis of vocal cord iatrogenic injury is crucial, as is perioperative vocal
cord evaluation.
Methods
Vocal cord mobility detected via transcutaneous laryngeal ultrasonography was compared
with that detected via laryngoscopy (the reference). The vocal cord visualization
rate of ultrasonography for evaluation of mobility was explored.
Results
The diagnostic odds ratio of transcutaneous laryngeal ultrasonography was 303.2212
(95% CI, [86.7944; 1059.3198]). The area under the summary receiver operating characteristic
curve was 0.944. The sensitivity, specificity, and negative predictive value were
0.9154 [0.8471; 0.9548], 0.9771 [0.9541; 0.9887], and 0.9915 [0.9868; 0.9946], respectively.
The vocal cord visualization of ultrasonography used to evaluate vocal cord mobility
was high (0.9572 [0.9091; 0.9804]).
Conclusions
Since transcutaneous laryngeal ultrasonography has the advantage in vocal cord visualization,
it can be considered when laryngoscopy is unavailable or patients refuse laryngoscopy.
Also, it is diagnostically accurate regardless of the used landmarks, VCP definition,
and timing for application.
Keywords
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Article info
Publication history
Published online: August 15, 2021
Accepted:
August 13,
2021
Received in revised form:
August 4,
2021
Received:
May 2,
2021
Identification
Copyright
© 2021 Elsevier Inc. All rights reserved.
