Improvement in lower extremity hemiplegia in a post-operative brain tumor patient by applying an integrated volitional control electrical stimulator.
Kaoru Kinugawa, Tomoo Mano, Hiroki Wada and 4 others
PMID 35698557WHAT IT FOUND
A man with post-surgical leg paralysis walked faster after IVES gait training, improving from 10.9 to 9.43 seconds over 10 meters.
Balance and muscle control also changed, but this single case cannot prove the device works for others.
Key findings
0110-meter walking speed improved from 10.9 to 9.43 seconds after IVES training.
02Muscle synergy analysis showed decreased total variance accounted for by one synergy (tVAF1) on both the affected and unaffected sides, suggesting increased complexity of motor control.
03Static posturography results were inconsistent, with some sessions showing improved sway and others showing worsened sway compared to baseline.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
This is a single case report, so the results cannot be generalized to other patients. The patient received concurrent physical and occupational therapy, making it impossible to isolate the specific effect of IVES from standard rehabilitation. Static posturography results were inconsistent between sessions, with some measures showing worsening rather than improvement. The follow-up period was short (starting day 40 post-op), so long-term retention of gains is unknown. No control group was used, and the study lacked blinding or randomization.
Declared interests
The authors declare no conflict of interest. The research received no specific grant from any funding agency.
The easy way to misread this
Do not assume IVES caused the improvement in isolation. The patient was also receiving standard physical and occupational therapy, and the balance results were inconsistent across sessions. This is one person's story, not proof that IVES works better than conventional care.