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Revista de la Asociación Médica del Centro Médico ABC

2017, Number 2

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An Med Asoc Med Hosp ABC 2017; 62 (2)

Voice handicap index before and after injection of botulinum toxin in patients with spasmodic dysphonia

Vargas AAM, Viesca CMT, Sánchez CGF

Language: Spanish
References: 18
Page: 100-105
PDF size: 211.36 Kb.


ABSTRACT

Background: Spasmodic dysphonia is an idiopathic focal dystonia of the larynx, a chronic central motor processing disorder characterized by action-induced, task-specific spams of the vocal folds, which negatively affects vocal quality. One of the most important goals when treating a patient with a voice disorder is to determine the level of impact on his or her general health, since it usually affects several areas (emotional, physical, functional and economical); these can be evaluated with a thorough medical history, physical examination and using a validated questionnaire to measure the influence on the patients’ quality of life, such as the Voice Handicap Index. Objective: To evaluate the botulinum toxin action and impact over the quality of life, measured by the Voice Handicap Index in patients with spasmodic dysphonia. Material and methods: Observational, descriptive, longitudinal, retrospective. Results: Fourteen patients diagnosed with spasmodic dysphonia were included in the study; the mean age was 60 ± . The female gender prevailed in a 78.57%. The median score before treatment was 27.86 ± 5.7 (severely impaired) versus 10.86 ± 2.2 (mildly impaired) after treatment, a statistically significant result with a p value ‹ 0.0001. Conclusions: The Voice Handicap Index score was significantly lower after treatment. The vocal improvement was reported in more than 90% of patients, which represents a better result than those reported in the literature. The «Voice Handicap Index 10» is a useful instrument for quantifying the biopsychosocial impact of a voice disorder and monitoring changes in self-perception of voice handicap after treatment.


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