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EBP Compendium: Summary of Systematic Review

Academy of Neurologic Communication Disorders and Sciences; American Speech-Language-Hearing Association; Department of Veterans Affairs
Treatment Guidelines for Acquired Apraxia of Speech: A Synthesis and Evaluation of the Evidence

Wambaugh, J. L., Duffy, J. R., et al. (2006).
Journal of Medical Speech-Language Pathology, 14(2), xv-xxxiii

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 Yes

Description: This is a review of published studies examining the effects of speech-language pathology treatment for individuals with acquired apraxia of speech. The majority (93%) of individuals were apraxic secondary to stroke.

Question(s) Addressed:

Question not specifically stated.

Population: Individuals with apraxia of speech

Intervention/Assessment: Apraxia of speech treatments

Number of Studies Included: 59

Years Included: Through 2003



  • Treatment
    • Speech
      • Apraxia Treatments
        • The majority of studies examined the use of kinematic functioning and reported positive effects. Few studies investigating rate/rhythm control, intersystematic/reorganization and AAC.
        • Overall findings suggest the positive effect of apraxia of speech treatments. However, methodological quality of studies and "probable lack of reporting of negative findings" may have skewed results (xxix).

Keywords: Apraxia

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Added to Compendium: March 2012

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