The importance of the occupational vocal load for the occurence and treatment of organic voice disorders
, and | Jan 05, 2018
About this article
Article Category: Original scientific article
Published Online: Jan 05, 2018
Page range: 17 - 24
Received: May 06, 2017
Accepted: Nov 08, 2017
DOI: https://doi.org/10.2478/sjph-2018-0003
Keywords
© 2018 National Institute of Public Health, Slovenia
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
The comparison of voice therapy before and after the surgical procedure in patients with vocal fold lesions with regard to their vocal load at work.
| PVU (N=103) | NPVU (N=132) | ||||
|---|---|---|---|---|---|
| Voice therapy | Number of cases | Percentage (%) | Number of cases | Percentage (%) | P |
| Before surgery | 20 | 19.4 | 33 | 25.0 | 0.345 |
| After surgery | 39 | 37.9 | 47 | 35.6 | 0.891 |
| Before and/or after surgery | 44 | 42.7 | 58 | 43.9 | 0.792 |
The comparison of the type and duration of voice problems before the surgical procedure in patients with vocal fold lesions with regard to their vocal load at work.
| PVU (N=103) | NPVU (N=132) | ||||
|---|---|---|---|---|---|
| Symptom | Number of cases | Percentage (%) | Number of cases | Percentage (%) | P |
| Hoarseness | 91 | 88.3 | 122 | 92.2 | 1.000 |
| Lower pitch | 15 | 14.6 | 7 | 5.3 | 0.023 |
| Voice fatigue | 7 | 6.8 | 4 | 3.0 | 0.219 |
| Duration of voice problems (N=222) | |||||
| ≤ 1 year | 49 | 47.6 | 56 | 42.4 | 0.419 |
| > 1 year | 48 | 46.6 | 69 | 52.3 | |
| Missing data | 6 | 5.8 | 7 | 5.3 | |
The comparison of the type of lesion in patients with vocal fold lesionswith regard to their vocal load at work.
| PVU (N=103) | NPVU (N=132) | ||||
|---|---|---|---|---|---|
| Lesion type | Number of cases | Percentage (%) | Number of cases | Percentage (%) | P |
| Polyp | 38 | 36.9 | 61 | 46.2 | 0.193 |
| Reinke’s edema | 33 | 32.0 | 38 | 28.8 | 0.590 |
| Laryngeal papillomatosis | 12 | 11.7 | 7 | 5.3 | 0.076 |
| Vocal nodules | 9 | 8.7 | 9 | 6.8 | 0.780 |
| Cyst | 5 | 4.9 | 10 | 7.6 | 0.390 |
| Chronic laryngitis | 4 | 3.9 | 5 | 3.8 | 0.970 |
| Granuloma | 2 | 1.9 | 2 | 1.5 | 0.800 |
The comparison of voice problems following the surgical procedure in patients with vocal fold lesions with regard to their vocal load at work.
| PVU (N=103) | NPVU (N=132) | ||||
|---|---|---|---|---|---|
| Hoarseness after surgery | Number of cases | Percentage (%) | Number of cases | Percentage (%) | P |
| No or only after URI | 73 | 70.9 | 110 | 83.3 | 0.039 |
| Yes, persistent or after voice effort | 30 | 29.1 | 22 | 16.7 | |
The comparison of the risk factors for vocal fold lesion occurrence in patients with regard to their vocal load at work.
| PVU (N=103) | NPVU (N=132) | ||||
|---|---|---|---|---|---|
| Risk factors for vocal fold lesion development | Number of cases | Percentage (%) | Number of cases | Percentage (%) | P |
| Loud speech | 42 | 40.8 | 19 | 14.4 | <0.001 |
| Fast speaking rate | 23 | 22.3 | 13 | 9.8 | 0.010 |
| Vocal load outside work | 24 | 23.3 | 17 | 12.9 | 0.037 |
| Background noise | 33 | 32.0 | 40 | 30.3 | 0.773 |
| Unfavorable microclimate | 11 | 10.7 | 23 | 17.4 | 0.191 |
| Smoking | 48 | 46.7 | 74 | 56.1 | 0.190 |
| Symptoms of GER | 28 | 27.2 | 41 | 31.1 | 0.565 |
| Allergy | 31 | 30.1 | 34 | 25.8 | 0.467 |
| Irritating cough | 11 | 10.7 | 11 | 8.3 | 0.653 |
| Hearing impairment | 1 | 1 | 3 | 2.3 | 0.633 |