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Randomized Controlled Trial
. 2008 Jan;7(1):33-40.
doi: 10.1016/S1474-4422(07)70294-6.

Retention of upper limb function in stroke survivors who have received constraint-induced movement therapy: the EXCITE randomised trial

Steven L Wolf  1 , Carolee J Winstein, J Phillip Miller, Paul A Thompson, Edward Taub, Gitendra Uswatte, David Morris, Sarah Blanton, Deborah Nichols-Larsen, Patricia C Clark
Affiliations
Randomized Controlled Trial

Retention of upper limb function in stroke survivors who have received constraint-induced movement therapy: the EXCITE randomised trial

Steven L Wolf et al. Lancet Neurol. 2008 Jan.

Abstract

Background: The aim of constraint-induced movement therapy (CIMT) is to promote use of a limb that is functionally impaired after a stroke. In one form of CIMT to treat upper limb impairment, use of the less severely affected arm is restricted for many hours each weekday over 2 consecutive weeks. The EXCITE trial has previously shown the efficacy of this intervention for patients 3-9 months poststroke who were followed-up for the next 12 months. We assessed the retention of improvements 24 months after the intervention.

Methods: In the EXCITE trial, 106 of 222 participants who had mild to moderate poststroke impairments were randomly assigned to receive CIMT rather than usual and customary care. We assessed this group of patients every 4 months for the primary outcome measure of impaired upper limb function, as measured with the Wolf motor function test (WMFT) and the motor activity log (MAL). Health-related quality of life, measured with the stroke impact scale (SIS), was a secondary outcome measure. Analysis was per protocol. This trial is registered with ClinicalTrials.gov, number NCT00057018.

Findings: The effects at 24 months after treatment did not decline from those at 12 months for time taken to complete the WMFT (-0.32 s, 95% CI -3.70 to 3.06), for weight lifted in the WMFT (-1.39 kg, -2.74 to -0.04), for WMFT grip strength (-4.39 kg, -6.91 to -1.86), for amount of use in the MAL (-0.17, -0.38 to 0.04), or for how well the limb was used in the MAL (-0.14, -0.34 to 0.06). The additional changes were in the direction of increased therapeutic effect. For the strength components of the WMFT, p<0.0001.

Interpretation: Patients who have mild to moderate impairments 3-9 months poststroke have substantial improvement in functional use of the paretic upper limb and quality of life 2 years after a 2-week CIMT intervention. Thus, this intervention has persistent benefits.

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Conflict of interest statement

Conflict of interest statement: We have no conflicts of interest.

Figures

Figure1
Figure1
Consort diagram showing enrollment, allocation, follow-up and analyses for EXCITE Trial participants. Note that the data presented for this paper address only those participants in the immediate group (left column).
Figure1
Figure1
Consort diagram showing enrollment, allocation, follow-up and analyses for EXCITE Trial participants. Note that the data presented for this paper address only those participants in the immediate group (left column).
See this image and copyright information in PMC

References

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