Early detection of general movements trajectories in very low birth weight infants

The aim of the study was to investigate General Movements’(GMs) neonatal trajectories and their association with neurodevelopment at three months corrected age (CA) in preterm infants. We conducted an observational, longitudinal study in 216 very low birth weight infants. GMs were recorded at 31 ± 1, 35 ± 1, 40 ± 1 weeks of postmenstrual age and at three months of corrected age (CA). More than 90% of infants showing neonatal trajectories with persistent Normal (N-N) or initial Poor Repertoire to Normal (PR-N) movements presented fidgety pattern at three months CA. On the contrary, fidgety movements were not detected in any infant with a trajectory of persistent Cramped-Synchronized (CS-CS) or an initial Poor-Repertoire to Cramped-Synchronized (PR-CS) movements. Trajectories with initial Normal to Poor-Repertoire (N-PR) or persistent Poor-Repertoire (PR-PR) movements showed an increased risk of having a non-normal Fidgety pattern compared with the N-N group (OR = 8.43, 95% CI: 2.26–31.45 and OR = 15.02, 95% CI: 6.40–35.26, respectively). These results highlight the importance to evaluate neonatal GMs’ trajectory to predict infants’ neurodevelopment. N-N or PR-N trajectories suggest normal short-term neurodevelopment, especially a lower risk of Cerebral Palsy; whereas findings of N-PR and PR-PR trajectories indicate the need for closer follow up to avoid delay in programming intervention strategies.

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