American Speech-Language-Hearing Association

EBP Compendium: Summary of Systematic Review

American Speech-Language-Hearing Association
Evidence-Based Systematic Review: Effects of Intensity of Treatment and Constraint-Induced Language Therapy for Individuals with Stroke-Induced Aphasia

Cherney, L. R., Patterson, J. P., et al. (2008).
Journal of Speech, Language, and Hearing Research, 51(5), 1282–1299.

Indicators of Review Quality:

The review addresses a clearly focused question Yes
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 peer-reviewed studies investigating the effects of constraint-induced language therapy and intensity of treatment for individuals with stroke-induced aphasia.

Question(s) Addressed:

  1. What is the influence of treatment intensity on measures of language impairment and communication activity/participation for individuals with stroke-induced chronic and acute aphasia?
  2. What is the influence of constraint-induced language therapy on measures of language impairment and communication activity/participation for individuals with stroke-induced chronic and acute aphasia?
  3. What treatment outcomes are maintained following intensive language treatment of individuals with stroke-induced chronic aphasia?
  4. What treatment outcomes are maintained following constraint-induced language therapy for individuals with stroke-induced chronic aphasia?

Population: Adults with stroke-induced aphasia.

Intervention/Assessment: Intensive aphasia interventions and constraint-induced language therapy

Number of Studies Included: 10

Years Included: 1990 - 2006

Findings:

Conclusions:

  • Treatment
    • Language
      • Constraint-Induced Language Therapy - This report reveals modest evidence supporting the use of intensive language treatment and constraint-induced language therapy for adults with stroke-induced aphasia. However given the small number of studies, range of methodological quality and range of participant characteristics and outcomes, these results are considered preliminary. 
  • Service Delivery
    • Dosage
      • Modest treatment effects were found supporting more intensive language treatment. However given the small number of studies, range of methodological quality and range of participant characteristics and outcomes, these results are considered preliminary.

Keywords: Aphasia, Stroke, Constraint-Induced Language Treatment

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Added to Compendium: January 2012

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