Abstract
To analyze the relationship between the presence of videolaryngoscopic signs suggestive of laryngopharyngeal reflux (LPR) and voice disorder (VD) in teachers. this is a cross-sectional study with convenience sample and inclusion criteria as subjects 18 years or older, be a teacher female, seek care with complaint of VD and/or LPR. The exclusion criteria included smoking and presence of respiratory changes. All subjects concluded the following instruments: Vocal Production Condition - Teacher (VPC-T), including the Screening Index for Voice Disorder (SIVD); and Voice Handicap Index (VHI). Speech samples were collected for voice perceptual assessment and all of them were submitted to otorhinolaryngology review. We evaluated 121 teachers, with a mean age of 43 years and 7.8 class hours per day. Only 24.0% of the teachers did not have vocal cord lesions and 42.1% had videolaryngoscopic signs suggestive of LPR. In the group of teachers with presence of Signs suggestive of LPR, the most common symptoms of SIVD were dry throat, hoarseness, throat clearing; the average VHI was 17.9 points. There was no association between voice disorder and presence of videolaryngoscopic signs suggestive of LPR. The independent factors for the LPR in the multiple binary logistic regression analysis were age and VHI score (tertile: 13-20). There was no association between VD and LPR, but between age and VHI score.
Highlights
In Brazil, the professor carrier is considered high risk for voice disorders(1)
Over 20 years ago, a study(5)pointed out that the symptoms related to gastroesophageal reflux were reported by patients with voice disorder, which has been confirmed by new studies(6,7)
It is noteworthy that the workers that most sought these sectors with complaints of allergy, reflux, voice disorder, ear pain, among others, were kindergarten, primary and secondary teachers
Summary
In Brazil, the professor carrier is considered high risk for voice disorders(1). Teacher have an intense work load, predisposing their voice, main work tool, to an important overload and the predisposing factors to this vocal change are, among others, lack of voice prepare, adequate work organization and social recognition(2).In addition, teachers’ works in adverse conditions, due to the environment, work organization, i.e., they live situations of physical and emotional stress, aspects that impair their performance and favor the vocal effort. In Brazil, the professor carrier is considered high risk for voice disorders(1). Teacher have an intense work load, predisposing their voice, main work tool, to an important overload and the predisposing factors to this vocal change are, among others, lack of voice prepare, adequate work organization and social recognition(2). Health problems and psychological factors interfere with the process of teaching, as they contribute to the emergence or intensification of voice disorder. Lack of hydration, smoking and problems with sleep, associated with pathological factors such as the presence of allergy or laryngopharyngeal reflux are known aspects in the voice disorder registry(2-4). Over 20 years ago, a study(5)pointed out that the symptoms related to gastroesophageal reflux were reported by patients with voice disorder, which has been confirmed by new studies(6,7). Due to the troubled context of everyday life, people generally replace standard meals for snacks, which can help gastrointestinal disorders, especially gastroesophageal reflux(8)
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