Stability of stereognosis after pediatric repetitive transcranial magnetic stimulation and constraint-induced movement therapy clinical trial.
Tonya Rich, Jessica Cassidy, Jeremiah Menk and 4 others
PMID 26985568WHAT IT FOUND
In 10 children with hemiparesis who had poor touch recognition by hand, most improved after combined rTMS and CIMT, but gains varied and some were lost at follow-up.
This small follow-up cannot show which treatment caused change.
Key findings
01Among 10 children with baseline stereognosis deficits, 80% improved from pre-trial to post-trial after the combined rTMS and CIMT period.
02At long-term follow-up, 60% showed varying improvement from post-trial testing; the report also notes 3 participants with no change, 3 participants with previous improvement returning to baseline, and 1 participant decreasing.
03The analysis pooled participants from real and sham rTMS groups, so it cannot show which treatment component produced change.
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What it does not show
Only 10 children were analysed, all selected from an original 19 because they had baseline touch deficits, so this is a small subgroup follow-up rather than a full trial result. Participants received both rTMS and CIMT, and the analysis pooled real and sham rTMS, so it cannot show which component caused any change. The 12-object touch test has not been validated for children with neurological impairments, and its measurement accuracy is unknown. Small score changes may be chance: a one-object change occurred in 5 of 10 children, and 0 to 2 objects may be within measurement error. Follow-up was long and staggered (22 to 57 months), and some children who improved earlier later returned to baseline or lost function. The stated follow-up purpose was safety, but the reported results here are stereognosis changes.
Declared interests
The authors declared no conflicts of interest. The paper states the contents are solely the authors' responsibility and do not necessarily represent the official views of CTSI or NIH.
The easy way to misread this
Do not conclude that rTMS plus CIMT improves stereognosis in children with hemiparesis. The analysis pooled 10 children across real and sham rTMS, used a touch test without established meaningful change, and showed variable results, including losses at follow-up.