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Does the assessment of general movements without video observation reliably predict neurological outcome?
Andrea Guzzetta1, Vittorio Belmonti, Roberta Battini
1Department of Developmental Neuroscience, Stella Maris Scientific Institute, Via dei Giacinti, 2, I 56018 Calambrone, Pisa, Italy. a.guzzetta@inpe.unipi.it
Insights
A modified direct assessment of general movements (GMs) in infants is a valuable clinical tool. This method shows high sensitivity for predicting cerebral palsy, offering a practical alternative to video recording.
Area of Science:
- Pediatric Neurology
- Developmental Pediatrics
- Movement Analysis
Background:
- The Prechtl's method for assessing general movements (GMs) is crucial for evaluating neurological risk in infants.
- Standard video recording and analysis can be time-consuming and resource-intensive in clinical settings.
Purpose of the Study:
- To evaluate the clinical utility of a modified, non-video-recorded approach to Prechtl's general movement assessment.
- To determine the effectiveness of direct GM assessment in preterm, term, and neurologically at-risk infants.
Main Methods:
- A cohort of 115 infants (103 preterm, 12 term) underwent direct observation and documentation of spontaneous motor activity using a written proforma.
- A separate, blinded assessment of video recordings was conducted for comparison.
- Assessments were performed at writhing age (0-6 weeks post-term) and fidgety age (9-15 weeks post-term).
Main Results:
- A significant correlation was found between direct assessment and video analysis at both writhing and fidgety ages.
- Both methods demonstrated very high sensitivity in predicting cerebral palsy, with no false negatives.
- Direct assessment exhibited lower specificity compared to video analysis, particularly during the writhing age period.
Conclusions:
- Direct assessment of general movements is a clinically valuable tool, especially when video recording is not feasible.
- This modified approach can facilitate the integration of GM assessment into routine neurological examinations and follow-up programs.
- Video recording can be reserved for cases with abnormal or doubtful general movements findings.
Objective:
To assess the clinical value of a modified version, not employing video recording, of Precthl's method on the qualitative assessment of general movements (GMs) in preterm, term and young infants at neurological risk.
Materials And Methods:
One-hundred and fifteen infants consecutively enrolled in our follow-up program were selected for the study (103 preterm and 12 term infants). While being video recorded, each infant's spontaneous motor activity was directly observed and documented using a written proforma. An evaluation of the video was later performed by a different assessor blind to the infant's clinical history.
Results:
The correlation between the two techniques was significant both at writhing age (birth to 6 weeks post-term age) and at fidgety age (9-15 weeks post-term age). Both methods showed a very high sensitivity for the prediction of cerebral palsy, as no false negatives were observed. The direct assessment showed a lower specificity, particularly during the writhing period.
Conclusions:
These results support the use of the direct assessment of GMs when the full application of the standard video observation cannot be routinely applied, restraining the use of video recordings to the abnormal or doubtful cases. This may facilitate the wished integration of the assessment of spontaneous motility into more general protocols of neurological examination and into clinical follow-up programs.
