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Research Objectives
To compare the effects of RIGT with CPGT on cognitive and sensorimotor functions,
trunk balance and coordination, balance, and activities of daily living performance
in patients with PSD.
Design
Two groups pre-post experimental design.
Setting
Hospitalized care.
Participants
Forty-eight patients with post-stroke dementia were assigned to either the RIGT (n = 23)
or CPGT (n = 25) group.
Interventions
The rehabilitation protocol consisted of eighteen 30-min sessions of robotic interactive
gait training (RIGT) and conventional physiotherapy gait training (CPGT) with a frequency
of one session of RIGT or CPGT three times per week for 6 weeks. Experts and certified
physical therapists delivered both RIGT and CPGT.
The RIGT sessions used the Walkbot, an active lower limb exoskeleton with powered
hip, knee, and ankle joints. The initial guidance force and body weight support were
set at 100% and then progressively reduced by adjusting the settings. Physical therapists
could vary the guidance force according to the patients’ abilities to maximize the
training intensity and maintain motivation during each session through an enjoyable
verbal cognitive task interaction. A therapist would always be present during the
RIGT sessions to supervise the patient's progress and raise the patient's awareness
to correct gait patterns and postures.
The CPGT sessions were performed through an intensive program of exercises to strengthen
the gluteus and quadriceps muscles, stretch the hip flexor and hamstring muscles,
increase static and dynamic balance, increase functional abilities, and improve overground
gait and stair climbing.
Main Outcome Measures
Mini-Mental State Examination (MMSE)
Fugl-Meyer Assessment (FMA)
Trunk Impairment Scale (TIS)
Berg Balance Scale (BBS)
Modified Barthel Scale (MBI)
Results
ANOVA and ANCOVA showed that RIGT had superior effects compared with MMSE, FMA, and
TIS (P < 0.05), but not with BBS and MBI.
Conclusions
Our results provide clinical evidence that RIGT improves cognitive and sensorimotor
recovery function as well as trunk balance and coordination in patients with PSD who
are unable to perform dual cognitive-locomotor tasks concurrently.
Author(s) Disclosures
None.
Keywords
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Copyright
© 2022 Published by Elsevier Inc.
