Treatment for acquired apraxia of speech: A systematic review of intervention research between 2004 and 2012

Kirrie J. Ballard, Julie L. Wambaugh, Joseph R. Duffy, Claire Layfield, Edwin Maas, Shannon Mauszycki, Malcolm R. McNeil

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Objectives: The aim was for the appointed committee of the Academy of Neurological Communication Disorders and Sciences to conduct a systematic review of published intervention studies of acquired apraxia of speech (AOS), updating the previous committee’s review article from 2006. Method: A systematic search of 11 databases identified 215 articles, with 26 meeting inclusion criteria of (a) stating intention to measure effects of treatment on AOS and (b) data representing treatment effects for at least 1 individual stated to have AOS. Results: All studies involved within-participant experimental designs, with sample sizes of 1 to 44 (median = 1). Confidence in diagnosis was rated high to reasonable in 18 of 26 studies. Most studies (24/26) reported on articulatory-kinematic approaches; 2 applied rhythm/rate control methods. Six studies had sufficient experimental control for Class III rating according to the Clinical Practice Guidelines Process Manual (American Academy of Neurology, 2011), with 15 others satisfying all criteria for Class III except use of independent or objective outcome measurement. Conclusions: The most important global clinical conclusion from this review is that the weight of evidence supports a strong effect for both articulatory-kinematic and rate/ rhythm approaches to AOS treatment. The quantity of work, experimental rigor, and reporting of diagnostic criteria continue to improve and strengthen confidence in the corpus of research.

Original languageEnglish (US)
Pages (from-to)316-337
Number of pages22
JournalAmerican Journal of Speech-Language Pathology
Volume24
Issue number2
DOIs
StatePublished - 2015

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Apraxias
Research
Biomechanical Phenomena
confidence
Communication Disorders
communication disorder
communication sciences
Advisory Committees
Nervous System Diseases
Practice Guidelines
Sample Size
academy
diagnostic
Research Design
rating
inclusion
Databases
Weights and Measures
evidence

ASJC Scopus subject areas

  • Speech and Hearing
  • Developmental and Educational Psychology
  • Linguistics and Language
  • Otorhinolaryngology

Cite this

Treatment for acquired apraxia of speech : A systematic review of intervention research between 2004 and 2012. / Ballard, Kirrie J.; Wambaugh, Julie L.; Duffy, Joseph R.; Layfield, Claire; Maas, Edwin; Mauszycki, Shannon; McNeil, Malcolm R.

In: American Journal of Speech-Language Pathology, Vol. 24, No. 2, 2015, p. 316-337.

Research output: Contribution to journalArticle

Ballard, Kirrie J. ; Wambaugh, Julie L. ; Duffy, Joseph R. ; Layfield, Claire ; Maas, Edwin ; Mauszycki, Shannon ; McNeil, Malcolm R. / Treatment for acquired apraxia of speech : A systematic review of intervention research between 2004 and 2012. In: American Journal of Speech-Language Pathology. 2015 ; Vol. 24, No. 2. pp. 316-337.
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