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Semi-occluded Vocal Tract Exercise in Velopharyngeal Dysfunction in Patients With Cleft Palate

Exercise Of Semi-Occluded Vocal Tract In Velopharyngeal Dysfunction In Patients With Cleft Palate : Effects Of Short-Term

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03966482
Enrollment
12
Registered
2019-05-29
Start date
2016-05-01
Completion date
2017-11-28
Last updated
2019-05-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cleft Palate

Keywords

cleft palate, velopharyngeal sphincter, velopharyngeal insufficiency, speech therapy, rehabilitation

Brief summary

Analyze the effect of SOVTE (Semi-occluded Vocal Tract Exercise), with high resistance tube, on the velopharyngeal mechanism, for speech rehabilitation of twelve patients with cleft palate with vocal alterations, after four weeks. The study was developed in the city of Porto Alegre, southern Brazil. The hypothesis of the study is that after four weeks of exclusive therapy with exercise it will be improvement in the voice of patients with cleft palate.

Detailed description

The study is an uncompared before-after clinical trial. All patients were submitted to videonasoendoscopy and had their vocal emissions recorded before and after the four weeks of speech therapy. These individuals were submitted to multidimensional evaluation comprised of analysis of images generated by specialized videonasoendoscopy software, analysis of speech emissions by perceptual-auditory evaluation and acoustic analysis, and vocal self-assessment.

Interventions

BEHAVIORALGroup before-after

The group was submitted to four weeks of speech therapy intervention with Semiocluded vocal tract exercise. The 12 participants were evaluated before and after the intervention with a multidimensional evaluation comprised of analysis of images generated by specialized videonasoendoscopy software, analysis of speech emissions by perceptual-auditory evaluation and acoustic analysis, and vocal self-assessment.

Sponsors

Hospital de Clinicas de Porto Alegre
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Uncompared before-after clinical trial

Eligibility

Sex/Gender
ALL
Age
6 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Individuals with surgically repaired CLP (Cleft lip and palate), regardless of gender and regardless of the type of clef palate. * The sample only included patients aged 6+ because this is the ideal age to be submitted to videonasoendoscopy. * These patients attended four speech therapy sessions. * All individuals agreed to participate in this research voluntarily.

Exclusion criteria

* Individuals with cleft lip and palate associated with genetic syndromes or other congenital malformation * Individuals who proved unable to do SOVTE (Semi-occluded Vocal Tract Exercise), * No condition to be submitted to videonasoendoscopy examination, * Patients who did not attend the four sessions of therapy or who did not do exercise at home were excluded from the sample.

Design outcomes

Primary

MeasureTime frameDescription
Analyze the effect of semi-occluded vocal tract exercise, with high resistance tube, on the velopharyngeal mechanismone monthPatients were submitted to evaluation of the VPS (velopharyngeal sphincter) region before and after the speech therapy. Patients were sitting in the examination chair, facing the examiner, throughout the entire procedure. The otorhinolaryngologist framed the image of the VPS and tried to maintain the optic fiber positioned at this site while those being evaluated performed selected sentences.

Secondary

MeasureTime frameDescription
Changes on speech after semi-occluded vocal tract exercise in cleft palate.one monthTo measure this outcome, samples of the participant's speech were recorded before and after the exercise with semi-occluded vocal tract (SOVTE). The vocal samples were randomly presented to three experients judges, voice specialists. They analyzed the samples and consensually completed the protocol of perceptual-auditory evaluation.

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026