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Changes in length and spatial orientation of the vocal fold with arytenoid adduction in cadaver larynges.
Ann Otol Rhinol Laryngol. 1997 Jul; 106(7 Pt 1):552-5.AO

Abstract

Videoendoscopy suggests that arytenoid adduction (AA) surgery not only medializes the paralyzed vocal fold, but increases the length of its membranous portion so that it more closely resembles the normal side. This could represent either real length change or out-of-plane rotation. Computed tomography scanning was performed on adult male cadaver larynges before and after the AA procedure to measure changes in length and spatial orientation of the vocal fold. Three-dimensional coordinates of radiopaque markers on the anterior commissure, posterior glottic midline, and vocal processes were determined. The distance between the vocal processes was 3.9 mm before, and 0.8 mm after AA. The mean vocal fold length was 12.4 mm before, and 13.4 mm after AA (p = .14). The vocal process moved consistently caudally, an average of 3.5 mm (p = .02). The data suggest that clinically apparent vocal fold length changes with AA could be an illusion due to vertical displacement of the vocal process, and not actual lengthening.

Authors+Show Affiliations

Department of Otolaryngology, University of Tennessee, Memphis, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

9228853

Citation

Woodson, G E., et al. "Changes in Length and Spatial Orientation of the Vocal Fold With Arytenoid Adduction in Cadaver Larynges." The Annals of Otology, Rhinology, and Laryngology, vol. 106, no. 7 Pt 1, 1997, pp. 552-5.
Woodson GE, Hengesteg A, Rosen CA, et al. Changes in length and spatial orientation of the vocal fold with arytenoid adduction in cadaver larynges. Ann Otol Rhinol Laryngol. 1997;106(7 Pt 1):552-5.
Woodson, G. E., Hengesteg, A., Rosen, C. A., Yeung, D., & Chen, N. (1997). Changes in length and spatial orientation of the vocal fold with arytenoid adduction in cadaver larynges. The Annals of Otology, Rhinology, and Laryngology, 106(7 Pt 1), 552-5.
Woodson GE, et al. Changes in Length and Spatial Orientation of the Vocal Fold With Arytenoid Adduction in Cadaver Larynges. Ann Otol Rhinol Laryngol. 1997;106(7 Pt 1):552-5. PubMed PMID: 9228853.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Changes in length and spatial orientation of the vocal fold with arytenoid adduction in cadaver larynges. AU - Woodson,G E, AU - Hengesteg,A, AU - Rosen,C A, AU - Yeung,D, AU - Chen,N, PY - 1997/7/1/pubmed PY - 1997/7/1/medline PY - 1997/7/1/entrez SP - 552 EP - 5 JF - The Annals of otology, rhinology, and laryngology JO - Ann Otol Rhinol Laryngol VL - 106 IS - 7 Pt 1 N2 - Videoendoscopy suggests that arytenoid adduction (AA) surgery not only medializes the paralyzed vocal fold, but increases the length of its membranous portion so that it more closely resembles the normal side. This could represent either real length change or out-of-plane rotation. Computed tomography scanning was performed on adult male cadaver larynges before and after the AA procedure to measure changes in length and spatial orientation of the vocal fold. Three-dimensional coordinates of radiopaque markers on the anterior commissure, posterior glottic midline, and vocal processes were determined. The distance between the vocal processes was 3.9 mm before, and 0.8 mm after AA. The mean vocal fold length was 12.4 mm before, and 13.4 mm after AA (p = .14). The vocal process moved consistently caudally, an average of 3.5 mm (p = .02). The data suggest that clinically apparent vocal fold length changes with AA could be an illusion due to vertical displacement of the vocal process, and not actual lengthening. SN - 0003-4894 UR - https://www.unboundmedicine.com/medline/citation/9228853/Changes_in_length_and_spatial_orientation_of_the_vocal_fold_with_arytenoid_adduction_in_cadaver_larynges_ L2 - https://journals.sagepub.com/doi/10.1177/000348949710600703?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -