Increasing aphasia treatment intensity in an acute inpatient rehabilitation program: A feasibility study.

Increasing aphasia treatment intensity in an acute inpatient rehabilitation program: A feasibility study.

Aphasiology. 2016 May 1;30(5):542-565

Authors: Carpenter J, Cherney LR

Abstract
BACKGROUND: Intensity of therapy is a critical factor influencing outcomes in aphasia. However, there are many barriers to increasing treatment intensity for those with acute/subacute aphasia including the demands of the inpatient medical facilities and the endurance of the participants. Nevertheless, with some modifications to its original procedures, evidence suggests that Constraint Induced Language Therapy (CILT) may yield positive outcomes when given in the early stages of recovery.
AIMS: To investigate the feasibility of increasing the amount of therapy provided to individuals with aphasia on an inpatient rehabilitation unit by adding CILT at a modified intensity, and to assess whether those receiving two weeks of the additional CILT show more improvement than control participants who did not receive the additional treatment.
METHODS AND PROCEDURES: A case-series single-subject design study was conducted. All participants received usual care of approximately an hour of speech and language treatment, five to six days a week. Participants in the experimental condition received an additional hour-long CILT session, five days per week, for two weeks. Trained, untrained, and generalization probes comprising naming of pictured items and oral reading of sentences were taken at baseline, during treatment, and at post-treatment. All participants were probed equally. Probe performance was scored and effect sizes were calculated and compared. Performance gains from pre- to post-treatment on subtests of the Boston Diagnostic Aphasia Examination were also compared.
OUTCOMES AND RESULTS: Thirteen individuals with aphasia onset ranging from 7 to 68 days were recruited, with 6 allocated to the experimental Usual Care + CILT condition and 7 allocated to the control Usual Care condition. Increasing the amount of speech and language therapy by adding an hour of daily CILT was feasible. Individual performance varied within and across conditions with large gains noted in some, but not all participants. As a group, there was a small to medium effect size of the Usual Care + CILT condition over Usual Care alone for trained and untrained oral reading probes and untrained naming probes.
CONCLUSIONS: It is feasible to increase the amount of treatment provided to participants with aphasia on an acute inpatient rehabilitation unit. Preliminary results suggest that there may be better outcomes for those who receive more treatment. Further research using larger numbers of homogeneous participants and controlling for content of therapy as well as amount of therapy is warranted.

PMID: 27026751 [PubMed - as supplied by publisher]

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