American Speech-Language-Hearing Association

EBP Compendium: Summary of Systematic Review

The Finnish Ministry for Social Affairs and Health; the Dutch Pension Fund Loyalis
Systematic Review of the Treatment of Functional Dysphonia and Prevention of Voice Disorders

Ruotsalainen, J., Sellman, J., et al. (2008).
Otolaryngology--Head and Neck Surgery, 138, 557-565.

Indicators of Review Quality:

The review addresses a clearly focused question No
Criteria for inclusion of studies are provided Yes
Search strategy is described in sufficient detail for replication Yes
Included studies are assessed for study quality Yes
Quality assessments are reproducible No

Description: This is a systematic review and meta-analysis of randomized controlled trials investigating treatments for functional dysphonia or treatments to prevent voice disorders.

Question(s) Addressed:

Question not specifically stated.

Population: Adults (16 years of age or older).

Intervention/Assessment: Direct and indirect voice treatments.

Number of Studies Included: 6

Years Included: 1950 - 2006

Findings:

Conclusions:

There is no evidence to support the use of voice training in preventing voice disorders in adults. However, findings support the use of a combination treatment approach (indirect and direct voice treatment) as an effective treatment for improving vocal performance in adults with functional dysphonia.

Keywords: Vocal Fold Disorder, Voice Disorders

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Added to Compendium: March 2012

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