Date Presented 03/22/24
This
study examined the efficacy and feasibility of a mental practice
protocol to address severe upper extremity hemiparesis. The results
suggest that mental practice is an efficacious, appropriate, and
feasible intervention for this population.
Primary Author and Speaker: Teresa M. Green
Additional Authors and Speakers: Farida S. Gayle
Contributing Authors: Asha Vas
Mental practice (MP) is a cognitive adjunctive
intervention that improves activity limitations of the hemiparetic upper
extremity (UE; Stockley et al., 2021), and provides similar cortical
benefits as physical practice (Page & Peters, 2014). Unfortunately,
most MP protocols require active wrist or finger flexion to be eligible
(Page et al., 2016) and the use of the intervention to address severe UE
hemiparesis has not been thoroughly explored (Stockley et al., 2021).
Therefore, the purpose of this study was to examine the efficacy of MP
for individuals with severe UE hemiparesis and the feasibility of
following a MP protocol in inpatient rehabilitation.
DESIGN: Single-group,
pretest-posttest pilot study. 11 patients, <1 month post-stroke with
severe UE hemiparesis, and 17 occupational therapists using convenience
sampling.
METHOD: Patients completed MP 5
days/week for 2 weeks. The Wolf Motor Function Test (WMFT) and Fugl
Meyer Assessment (FMA) measured UE recovery. The Acceptability of
Intervention Measure (AIM), Intervention Appropriateness Measure (IAM),
and Feasibility of Intervention Measure (FIM) assessed MP perceptions.
RESULTS: Wilcoxon signed-rank
test demonstrated a statistically significant difference in FMA scores
from pretest (Mdn = 7.00, M = 8.36, SD = 5.46) to posttest (Mdn = 13.00,
M = 16.27, SD = 11.11), n = 11, Z = 2.70, p = .007, r = .57. There was a
statistically significant change in WMFT Functional Ability Scores from
pretest (Mdn = 1.00, M = .91, SD = .83) to posttest (Mdn = 1.00, M =
1.55, SD = 1.29), Z = 2.07, p = .041, r = .44. MP improved UE
impairments with less effect on functional abilities. AIM, IAM, and FIM
demonstrated patients and therapists were largely agreeable to the
appropriateness and feasibility of MP, while less agreeable to the
acceptability of MP.
CONCLUSION: MP is a feasible,
appropriate, and effective treatment for severe UE hemiparesis. A
randomized controlled trial is now needed to substantiate this pilot
work.
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