Voice Disorders Clinical Trial
Official title:
Assessment of Multidimensional Voice Program (MDVP) Parameters in Occupational and Non-occupational Voice Users: a Secondary Data Analysis
MDVP (Multidimensional Voice Program) has several parameters that can assess voice quality objectively, including Base Frequency (F0), Jitter, Shimmer, NHR (Noise to Harmonic Ratio), VTI (Voice Turbulence Index), and ATRI (Amplitude Tremor Intensity Index). MDVP may provide an objective yet non-invasive and comfortable alternative to assess voice quality - and to some extent, diagnose voice-related abnormalities. The utilization of MDVP in clinical settings is quite common but using it concerning occupational health is rare, especially in Indonesia. No study had reported usage of MDVP to assess voice quality in any occupational voice user group or reported a thorough comparison of MDVP parameters between occupational and non-occupational voice users. With an increase in the realization that voice can be an essential occupational modality, MDVP may become a practical alternative modality in assessing voice quality and occupational-related voice injury in clinical settings. This study will determine any association between occupational voice users and their MDVP parameters from medical records and the MDVP database in Dr Cipto Mangunkusumo Hospital, Jakarta. The study also tries to see whether there is any value in using MDVP to assess voice quality in workers.
Status | Not yet recruiting |
Enrollment | 500 |
Est. completion date | June 1, 2022 |
Est. primary completion date | May 1, 2022 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Patients had their medical records and MDVP data available in dr. Cipto Mangunkusumo Hospital, Jakarta - Patients are active workers in Indonesia on the time of MDVP evaluation - Patients are above the age of 18 - Patients can be either an occupational or non-occupational voice users Exclusion Criteria: - Patients with incomplete occupational data - Patient with incomplete MDVP results |
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
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Fakultas Kedokteran Universitas Indonesia |
Feder RJ. Varix of the vocal cord in the professional voice user. Otolaryngol Head Neck Surg. 1983 Aug;91(4):435-6. — View Citation
Godino-Llorente JI, Osma-Ruiz V, Sáenz-Lechón N, Cobeta-Marco I, González-Herranz R, Ramírez-Calvo C. Acoustic analysis of voice using WPCVox: a comparative study with Multi Dimensional Voice Program. Eur Arch Otorhinolaryngol. 2008 Apr;265(4):465-76. Epu — View Citation
Kosztyla-Hojna B, Rogowski M, Ruczaj J, Pepinski W, Lobaczuk-Sitnik A. An analysis of occupational dysphonia diagnosed in the North-East of Poland. Int J Occup Med Environ Health. 2004;17(2):273-8. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | F0 (Fundamental Frequency) | Average fundamental frequency for the vocalization measured in Hz | 3 minutes minimal | |
Primary | Jitter | Jitter refers to a disruption in sound wave frequencies caused by a lack of control over the vibrations of the vocal cords. | 3 minutes minimal | |
Primary | Shimmer | Shimmer percent gives an evaluation in percent of the variability of the peak-to-peak amplitude within the analyzed voice samples. It represents the relative period-to-period (very short-term) variability of the peak-to-peak amplitude | 3 minutes minimal | |
Primary | NHR (Noise to Harmonic Ratio) | Noise-to-harmonic ratio is an average ratio of energy of the in-harmonic components in the range 1500-4500 Hz to the harmonic components energy in the rage 70-4500 Hz. It is a general evaluation of the noise present in the vocalization | 3 minutes minimal | |
Primary | ATRI (Amplitude Tremor Intensity Index) | Amplitude tremor intensity index shows (in percent) the ratio of the amplitude of the most intensive low-frequency amplitude-modulating component (amplitude tremor) to the total amplitude of the analyzed voice signal. | 3 minutes minimal |
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