Page 25 - Portuguese Journal - SPORL - Vol 61. Nº1

Results The diagnosis was made using FOL in 49.3%
Seventy-three new cases of chronic dysphonia of cases and DCL in 28.8% of cases. There were
from the voice clinic at the HDE were selected no significant differences between the groups
and included in the study. The mean age assessed using FOL and DCL regarding
(± standard deviation) at the time of the the demographic variables (p = 0.352; p age
sex
first evaluation was 9.6 (± 3.7) years, varying = 0.288), presence of a phonotraumatic
between two and 20 years. The majority of the behavioral profile (p = 0.435), and presence
evaluated children (65.8%) were aged between of nasal complaints (p = 0.182) or complaints
six and 11 years, followed by children aged 12 indicative of LPR (p = 0.248) (Table 1).
years and more (20.5%) and, finally, children The use of FOL was associated with a higher
aged between two and five years (13.7%). The proportion of cases diagnosed as VC nodules
study’s cohort included 53 boys (72.6%) and 20 (FOL 58.3%; DCL 47.6%) and of laryngoscopy
girls (27.4%). exams classified as normal (FOL 11.1%;
Videolaryngoscopy was performed in DCL 4.8%), and with a lower proportion of
78.1% of cases and the following diagnoses cases diagnosed as LPR (FOL 8.3%; DLC
were established: VC nodules (42.5%), 28.6%); however, these differences were not
laryngopharyngeal reflux (LPR) (12.3%), muscle statistically significant (p = 0.479) (Graph 2).
tension dysphonia (MTD) (9.6%), VC cysts (2.7%), Nasal symptoms and symptoms c ompatible
corditis (2.7%), and VC polyps (1.4%) (Graph 1). with LPR were reported in 26.0% and 20.5%

Graph 1
Etiological diagnoses based on videolaryngoscopy

Abbreviations: VC, vocal cords; LPR, laryngopharyngeal reflux; MTD, muscle tension dysphonia

Table 1
Characterization of the groups undergoing FOL and DCL

FOL DCL
Sex (%)
Male 75.0 66.7 p = 0.352
Female 25.0 33.3
Mean age at 1 evaluation (years) 9.57 10.57 p = 0.288
st
Phonotraumatic behavioral profile (%) 58.3 52.4 p = 0.435
Nasal symptoms (%) 20.0 35.0 p = 0.182
LPR symptoms (%) 17.1 28.6 p = 0.248
Abbreviations: FOL, flexible fiberoptic videolaryngoscope; DCL, flexible distal-chip videolaryngoscope; LPR, laryngopharyngeal reflux.

Volume 61 . Nº1 . March 2023 25