Consecuencias de la sobrecarga vocal en el umbral doloroso de los tejidos perilaríngeos

Introduction

Vocal overload causes a series of effects in the vocal folds, where injuries and functional symptoms stand out. However, its effects on perilaryngeal tissues are poorly known. This prevents the complete understanding of phenomena arising from their damage, such as odynophonia.

Objective

To describe the pressure threshold of the perilaryngeal tissues before and after vocal overload.

Material and method

A sample composed of 35 women was analysed, whose average age was 24.1 ± 2.06 years. The investigation consisted of three parts, where the pressure thresholds of the perilaryngeal tissues were evaluated before and after vocal overload.

Results

The pressure thresholds of the perilaryngeal tissues prior to the task of vocal overload ranged between 1140 and 1857 grams, and between 1105 and 1802 grams after it. The existing changes in each of the evaluated structures were significant (p < .05).

Conclusions

The pressure thresholds of the perilaryngeal region are lower than other tissues from the stomatognathic system, such as the masseter muscle. In addition, the vocal overloading tasks reduced them in a significant way.