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EBP Compendium: Summary of Systematic Review

Heart and Stroke Foundation of Ontario; the Ontario Ministry of Health and Long Term Care; the Parkwood Hospital Foundation; the Canadian Stroke Network
Intensity of Aphasia Therapy, Impact on Recovery

Bhogal, S. K., Teasell, R., et al. (2003).
Stroke, 34(4), 987-993.

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 clinical trials investigating the relationship between intensity of aphasia therapy and aphasia recovery.

Question(s) Addressed:

Question not specifically stated.

Population: Stroke survivors suffering from aphasia after stroke.

Intervention/Assessment: Speech-language therapy.

Number of Studies Included: 10

Years Included: 1975 - 2002



  • Service Delivery
    • Dosage
      • The authors found that studies that demonstrated a significant treatment effect "provided an average of 8.8 hours of therapy per week for 11.2 weeks compared with the 4 negative studies that only provided two 1-hour sessions per week for 22.9 weeks" (p. 991).
      • The authors conclude that intense therapy over a short amount of time can improve outcomes of speech and language therapy for individuals with stroke-induced aphasia.

Keywords: Aphasia, Service Delivery Models

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Added to Compendium: January 2012

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