The Influence of Significant Weight Lost on the Quality of Voice

Status

UNKNOWN

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT03070808

Enrollment

Registered

2017-03-06

Start date

2017-03-15

Completion date

2018-09-15

Last updated

2017-03-06

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

Conditions

Obesity, Morbid, Voice Alteration

Keywords

obesity, voice

Brief summary

The rate of obesity and bariatric surgery is rising steadily. Though Bariatric Surgery Influences on aspects such as endocrin analysis, finance, etc are well tested, quantitative and quality voice impacts have not been evaluated. The aim of the study is to recruit 50 patients who underwent bariatric surgery and compare voice quality in each of these patients before and after surgery.

Interventions

None listed

Study design

Observational model

OTHER

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* Morbid obese * Candidates for bariatric Surgery

Exclusion criteria

* History of benign \\ malignant disease of the larynx. * History of head and neck tumors * History of radiation therapy of the neck * BMI under 30 pre-surgery

Design outcomes

Primary

Measure	Time frame	Description
Stroboscopic evaluation of the larynx	2/16-2/20	A visual examination of the larynx

Secondary

Measure	Time frame	Description
EAT 10	2/16-2/20	Validitated questioners for dysphagia which result in a score
Voice Handicap Index	2/16-2/20	Validitated questioners for dysphagia which result in a score
Average Fundamental frequency	2/16-2/20	part of voice assessment, in Hertz
Mean Fundamental frequency	2/16-2/20	part of voice assessment, in Hertz
Highest Fundamental frequency	2/16-2/20	part of voice assessment, in Hertz
Lowest Fundamental frequency	2/16-2/20	part of voice assessment, in Hertz
Dysphagia handicap Index	2/16-2/20	Validitated questioners for dysphagia which result in a score
Noise to harmonic ratio	2/16-2/20	part of voice assessment, a descripitive measure of voice quality
Voice turbulence Index	2/16-2/20	part of voice assessment
Absolute gitter	2/16-2/20	Variability of frequency
Jitter percent	2/16-2/20	assessment of voice variability
Shimmer percent	2/16-2/20	assessment of voice variability
Shimmer in dB	2/16-2/20	variability of voice volume
Standard deviation of Fundamental frequency	2/16-2/20	part of voice assessment, in numbers

Outcome results