Publications by authors named "Janaina Regina Bosso"

2 Publications

  • Page 1 of 1

Does Abrupt Weight Loss Caused by Bariatric Surgery Compromise the Voice in Women?

J Voice 2021 Apr 5. Epub 2021 Apr 5.

Department of Ophthalmology, Otorhinolaryngology, Head and Neck Surgery, São Paulo State University, Botucatu, SP, Brazil. Electronic address:

Objective: To evaluate vocal symptoms, voice characteristics and videolaryngoscopy in obese women before and after bariatric surgery.

Methods: Obese patients (18 to 59 years old), candidates for bariatric surgery were recruited. Evaluation times: T1 (preoperative), T2 (after six months), T3 (after 12 months). Evaluated parameters: weight, height, body mass index, abdominal and neck circumference, vocal self-assessment, perceptual and acoustic vocal assessment, and videolaryngoscopy.

Results: A total of 37 obese women were included, average age 40.8 years. There was a decrease in anthropometric measurements between the preoperative assessment and after 12 months: weight (121.18 ± 15.4 kg; 77.1 ± 11.6 kg), BMI (46.6 ± 6.95 kg/m; 30 ± kg/m), abdominal circumference (128 ± 16.1; 99.1 ± 12.1), and neck circumference (41.1 ± 5.85; 36.6 ± 3.02). Gastroesophageal (21.6%) and vocal symptoms (27%) prevailed. No difference was identified in vocal self-assessment between the evaluations. In the acoustic analysis, f0 increased and the soft phonation index decreased. The perceptual analysis registered lower scores for the degree of dysphonia (G) and voice instability (I). The maximum phonation time values increased without changing the s/z ratio. Videolaryngoscopies showed a posterior middle cleft and improvement in the signs of reflux.

Conclusions: Bariatric surgery led to an important and gradual decrease in anthropometric parameters. The voice became less hoarse, with higher pitch and more stable, with an improvement in maximum phonation time, however with slight breathiness. Such changes were not noticed by the patients.
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http://dx.doi.org/10.1016/j.jvoice.2021.03.007DOI Listing
April 2021

Vocal Characteristics of Patients With Morbid Obesity.

J Voice 2021 Mar 21;35(2):329.e7-329.e11. Epub 2019 Oct 21.

Department of Surgery, São Paulo State University (Unesp), Botucatu, Sao Paulo, Brazil.

Introduction: Obesity modifies vocal characteristics, causing abnormal fat deposition in the abdominal region and upper airways. For some authors the voice of the obese is not different from nonobese and the vocal symptoms are scarce; for others dysphonia in obese is reported by 70% of them and the voice becomes hoarse, breathy, and unstable.

Objective: To characterize the voice of patients with morbid obesity.

Methods: Two groups were included: Obese (n-27), aged between 26 and 59 years, selected for bariatric surgery; Control (n-27), matched in age, with ideal weight for height.

Parameters: Vocal self-assessment (Vocal Disadvantage Index-IDV and Quality of Life and Voice-QVV); Perceptual-auditory vocal evaluation (GRBASI scale), maximum phonation time; Acoustic vocal analysis and Videolaryngoscopic exams.

Results: In obese, the most frequent symptoms were gastroesophageal and hoarseness. The vocal self-evaluation did not record any relevant complaints in both groups. In obese, the perceptual-auditory voice evaluations indicated significant changes in R (roughness), B (breathiness), I (instability), and S (tension) parameters. Acoustic vocal analysis recorded changes in the noise-harmonic ratio (NHR) and soft phonation index (SPI) parameters. The videolaryngoscopy examinations showed, in control and obese groups, respectively: normal: 92.5% and 55.5%; posterior pachydermia: 11.1% and 33.3%; mid-posterior bowing: 0% and 7.4%; edema/congestion: 0% and 7.40%.

Conclusion: The voice of the obese becomes discreetly hoarse, breathless, and unstable. The most frequent videolaryngoscopic findings in obese patients are hyperemia and edema of vocal folds and posterior pachydermia, related to acid laryngitis, secondary to gastroesophageal reflux.
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http://dx.doi.org/10.1016/j.jvoice.2019.09.012DOI Listing
March 2021
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