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Questions and Answers
What percentage of patients were diagnosed with dysphonia based on the retrospective analysis of data from 55 million individuals?
What percentage of patients were diagnosed with dysphonia based on the retrospective analysis of data from 55 million individuals?
About 1%
What is the difference in the likelihood of being diagnosed with dysphonia between females and males?
What is the difference in the likelihood of being diagnosed with dysphonia between females and males?
Females are almost twice as likely as males to be diagnosed with dysphonia
What is the age range that is two-and-a-half times more likely to be diagnosed with a voice disorder?
What is the age range that is two-and-a-half times more likely to be diagnosed with a voice disorder?
Adults over the age of 70 years
What is the estimated percentage of school-age children that may have a voice disorder?
What is the estimated percentage of school-age children that may have a voice disorder?
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What is the classification of voice disorders introduced by Stemple in 2007?
What is the classification of voice disorders introduced by Stemple in 2007?
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What is the classification of voice disorders suggested by Boone et al. in 2020?
What is the classification of voice disorders suggested by Boone et al. in 2020?
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What is the most common voice disorder seen in both children and adults?
What is the most common voice disorder seen in both children and adults?
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What is the potential consequence of continued misuse of the voice over time in Muscle Tension Dysphonia?
What is the potential consequence of continued misuse of the voice over time in Muscle Tension Dysphonia?
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What is the main function of the larynx?
What is the main function of the larynx?
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What is the difference between incidence and prevalence in the context of voice disorders?
What is the difference between incidence and prevalence in the context of voice disorders?
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What is the role of respiration in speech production?
What is the role of respiration in speech production?
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What is the impact of a voice disorder on an individual's life?
What is the impact of a voice disorder on an individual's life?
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What is the significance of suprasegmental vocalization in infants?
What is the significance of suprasegmental vocalization in infants?
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What is the estimated prevalence of voice disorders in adults, according to Roy et al. (2005)?
What is the estimated prevalence of voice disorders in adults, according to Roy et al. (2005)?
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What is the role of the larynx in activities demanding highly elevated abdominal pressures?
What is the role of the larynx in activities demanding highly elevated abdominal pressures?
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Why are the figures of incidence and prevalence in voice disorders not precise?
Why are the figures of incidence and prevalence in voice disorders not precise?
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Study Notes
Introduction to Voice Disorders
- Voice disorders impact various aspects of life, including academics, social interactions, psychology, vocation, and communication.
Anatomy and Physiology of Voice Production
- The larynx has multiple functions, including phonation, airway protection, assistance in swallowing, and helping in activities demanding highly elevated abdominal pressures.
- Suprasegmental vocalization in babies includes different cries.
Incidence and Prevalence of Voice Disorders
- Incidence refers to the rate of occurrence of new cases, while prevalence indicates how commonly a disease or condition occurs in a population.
- Figures for incidence and prevalence of voice disorders are not precise due to conflicting definitions, methodological differences, and varying patient populations.
- According to Roy et al. (2005), nearly 7% of respondents had a voice disorder at the time of the interview, and nearly 30% had experienced a voice disorder at least once in their lifetime.
- According to Cohen et al. (2012), about 1% of patients received a diagnosis of dysphonia, with females being almost twice as likely as males to be diagnosed, and adults over 70 being two-and-a-half times more likely than those under 70.
Classification of Voice Disorders
- Stemple (2007) classified voice disorders into congenital laryngeal pathologies, pathologies of the vocal fold cover, neurogenic laryngeal pathologies, and pathologies of muscular dysfunction.
- Boone et al. (2020) suggested a classification system including muscle tension voice disorders, functional voice disorders, psychogenic voice disorders, organic voice disorders, and neurogenic voice disorders.
Types of Voice Disorders
- Muscle Tension Dysphonia (MTD) is the most common voice disorder seen in both children and adults, caused by overuse of the respiratory, laryngeal, and supralaryngeal systems.
- Psychogenic Voice Disorders can result from severe emotional trauma or conflict, manifesting as functional dysphonia or functional aphonia.
- Organic Voice Disorders are related to structural deviations of the vocal tract or diseases of specific structures.
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Description
This quiz covers the basics of voice disorders, their impact on daily life, and the anatomy and physiology of voice production, including the functions of the larynx and vocalization in babies.
