The Effect of Topical Anesthesia on Vocal Fold Motion

Rubin, Adam D.; Shah, Anil R.; Moyer, Cheryl A.; Johns, Michael M.

doi:10.1016/j.jvoice.2007.07.006

Cited by 7 publications

(1 citation statement)

References 17 publications

(21 reference statements)

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“…They found that none of the measures studied were affected by anesthesia during the production of voice at comfortable pitch and intensity, but that in most combinations of increased or decreased pitch and intensity, the application of anesthesia resulted in increased glottal resistance and subglottal pressure. More recently, Rubin et al ͑2009͒ found that application of topical anesthetic does not perceptibly affect vocal fold motion. However, Dworkin et al ͑2000b͒ used a 3 cc injection of 4% lidocaine through the cricothyroid membrane to treat three therapy-resistant cases of MTD, finding that the application caused immediate and long-standing resolution of symptoms.…”

Section: Use Of Vocal Fold Kinematics As An Indicator Of Vocal Hypmentioning

confidence: 99%

A virtual trajectory model predicts differences in vocal fold kinematics in individuals with vocal hyperfunction

Stepp

Hillman

Heaton

2010

The Journal of the Acoustical Society of America

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A simple, one degree of freedom virtual trajectory model of vocal fold kinematics was developed to investigate whether kinematic features of vocal fold movement confirm increased muscle stiffness. Model simulations verified that increases in stiffness were associated with changes in kinematic parameters, suggesting that increases in gesture rate would affect kinematic features to a lesser degree in vocal hyperfunction patients given the increased levels of muscle tension they typically employ to phonate. This hypothesis was tested experimentally in individuals with muscle tension dysphonia ͑MTD; N =10͒ and vocal nodules ͑N =10͒ relative to controls with healthy normal voice ͑N =10͒ who were examined with trans-nasal endoscopy during a simple vocal fold abductory-adductory task. Kinematic measures in MTD patients were less affected by increased gesture rate, consistent with the hypothesis that these individuals have elevated typical laryngeal muscle tension. Group comparisons of the difference between medium and fast gesture rates ͑Mann-Whitney, one-tailed͒ showed statistically significant differences between the control and MTD individuals on the two kinematic features examined ͑p Ͻ 0.05͒. Results in nodules participants were mixed and are discussed independently. The findings support the potential use of vocal fold kinematics as an objective clinical assay of vocal hyperfunction.

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Section: Use Of Vocal Fold Kinematics As An Indicator Of Vocal Hypmentioning

confidence: 99%

A virtual trajectory model predicts differences in vocal fold kinematics in individuals with vocal hyperfunction

Stepp

Hillman

Heaton

2010

The Journal of the Acoustical Society of America

View full text Add to dashboard Cite

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Topical Anesthesia in Office-Based Laryngeal Surgery

Hamdan

Sataloff

Hawkshaw

2022

Office-Based Laryngeal Surgery

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The Effect of Voluntary Pharyngeal Swallowing Maneuvers on Esophageal Swallowing Physiology

et al. 2014

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The purpose of our study was to evaluate whether swallowing maneuvers designed to impact pharyngeal physiology would also impact esophageal physiology. Healthy volunteers underwent high-resolution manometry while performing three randomized swallowing maneuvers with and without a 5-ml bolus: normal swallowing, Mendelsohn maneuver, and effortful swallowing. We examined esophageal parameters of peristaltic swallows, hypotensive or failed swallows ("nonperistaltic swallows"), distal contractile integral (DCI), contractile front velocity (CFV), intrabolus pressure, and transition zone (TZ) defect. Four females and six males (median age 39 years; range 25-53) were included in the study. The overall number of nonperistaltic swallows was 21/40 (53 %) during normal swallowing, 27/40 (66 %) during the Mendelsohn maneuver, and 13/40 (33 %) during effortful swallowing. There were significantly more overall nonperistaltic swallows with the Mendelsohn maneuver compared with effortful swallowing (p = 0.003). While swallowing a 5-ml bolus, there were more nonperistaltic swallows during the Mendelsohn maneuver (12/20, 60 %) compared to that during normal swallowing (6/20, 30 %) (p = 0.05) and more peristaltic swallows during effortful swallowing as compared to Mendelsohn maneuver (p = 0.003). Intrabolus esophageal pressure was greater during the Mendelsohn maneuver swallows in the bolus-swallowing condition as compared to normal swallowing (p = 0.02). There was no statistical difference in DCI, CFV, or TZ defect between swallowing conditions. The Mendelsohn maneuver may result in decreased esophageal peristalsis while effortful swallowing may improve esophageal peristalsis. Because it is important to understand the implications for the entire swallowing mechanism when considering retraining techniques for our patients, further investigation is warranted.

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The Effect of Topical Anesthesia on Vocal Fold Motion

Cited by 7 publications

References 17 publications

A virtual trajectory model predicts differences in vocal fold kinematics in individuals with vocal hyperfunction

A virtual trajectory model predicts differences in vocal fold kinematics in individuals with vocal hyperfunction

Topical Anesthesia in Office-Based Laryngeal Surgery

The Effect of Voluntary Pharyngeal Swallowing Maneuvers on Esophageal Swallowing Physiology

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