Genetic testing in cerebral palsy with clinical and neuroimaging variables.
Esther M Tantsis, Shekeeb S Mohammad, Simon P Paget and 7 others
PMID 40186422WHAT IT FOUND
Clinicians support genetic testing for cerebral palsy but lack clear guidelines on who to test.
In a retrospective cohort, no single clinical or MRI factor reliably predicted a genetic cause after multivariable analysis, though dysmorphic features and normal MRI were suggestive in univariable models.
Key findings
01Most clinicians agree genetic testing has a role in cerebral palsy management, but many disagree that adequate information exists to determine which children should be tested.
02In the retrospective cohort, none of the clinical or radiological factors retained significance in predicting genetic cerebral palsy after multivariable analysis.
03Dysmorphic features were the most significant factor supportive of a genetic cause, while an MRI compatible with the clinical picture was significantly against it.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTsWhat it means for SLPs
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What it does not show
The study was retrospective and conducted at a single tertiary hospital, which likely enriched the cohort with complex or atypical cases compared to community settings. Not all children underwent genetic testing, leading to potential bias in the classification of the non-genetic group. The expert panel lacked representation from low- and middle-income countries. Multivariable analysis showed no significant predictors, limiting the ability to create a definitive clinical decision rule from this data alone. The definition of 'regression' included family-reported changes that may not represent true neurological decline.
Declared interests
The study was funded by the Cerebral Palsy Alliance Research Institute. The funder paid for a research assistant to help with telephone interviews.
The easy way to misread this
Do not assume that the absence of significant predictors in the multivariable analysis means clinical features are useless. The univariable results highlight important associations, but the lack of a single definitive test means clinicians must consider the whole picture, including factors like dysmorphic features and MRI compatibility, when deciding on genetic testing.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →