Prediction of cerebral palsy and cognitive delay among high-risk children in a developing nation: A successful early detection programme.
Gemunu Hewawitharana, Nuwan Darshana Ila, Asha Madhushani Ui and 6 others
PMID 39731751WHAT IT FOUND
Combining video assessments of infant movements with a neurological exam detected 100% of cerebral palsy cases and 86% of cognitive delays in high-risk infants.
This works without MRI scans, though it also flags many children who do not have these conditions.
Key findings
01Combining the General Movements Assessment and Hammersmith Infant Neurological Examination identified 100% of children who developed cerebral palsy.
02The same combined approach detected 86.7% of cognitive delays but had low specificity, meaning many false positives occurred.
03Half of the enrolled infants did not complete all three assessments, though the rate of cerebral palsy was similar in those who dropped out.
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
Only 201 of 416 enrolled infants completed all three assessments, raising concerns about retention bias, although the rate of cerebral palsy was similar between completers and non-completers. The study was conducted at a single site in Sri Lanka with a cohort that was 96.5% Sinhalese, limiting generalisability to other populations. The HINE and GMA tools were originally developed and validated in high-income countries, and may not perform identically in low- and middle-income settings. The thresholds for 'abnormal' scores were derived from the study cohort itself using ROC analysis, rather than using pre-existing validated cut-offs for this population. The adaptive behaviour domain of the Bayley-4 was excluded from analysis because it was deemed unreliable in this cultural context.
Declared interests
The authors declare no conflicts of interest. The study was approved by the Ethics Review Committee, Faculty of Medicine, University of Ruhuna.
The easy way to misread this
Do not assume this screening tool is accurate for speech and language delays. The study found poor sensitivity and specificity for speech and language outcomes, so a normal GMA/HINE score does not rule out the need for a speech-language assessment.