Apgar scores as predictors of chronic neurologic disability

Area of Science:

• Neonatal Health
• Pediatric Neurology

Background:

• Apgar scores are routinely used to assess newborn health.
• The predictive value of Apgar scores for long-term neurological outcomes like cerebral palsy is debated.

Purpose of the Study:

• To investigate the association between Apgar scores at various time points and the development of cerebral palsy.
• To determine the proportion of children with cerebral palsy who had low Apgar scores.

Main Methods:

• Retrospective cohort study involving approximately 49,000 infants.
• Apgar scores recorded at 1, 5, 10, 15, and 20 minutes.
• Follow-up to age 7 years to assess for cerebral palsy and other disabilities.

Main Results:

• Low Apgar scores were identified as risk factors for cerebral palsy.
• A significant percentage of children with cerebral palsy had normal (7-10) Apgar scores at 1 and 5 minutes (55% and 73%, respectively).
• Among survivors with very low late Apgar scores (0-3 at 10-20 min), 12% developed cerebral palsy, often with co-occurring intellectual disability and seizure disorders.

Conclusions:

• While low Apgar scores are a risk factor, they do not identify all children who will develop cerebral palsy.
• Very low Apgar scores at later time points (10-20 min) are strongly associated with severe neurological impairment, including cerebral palsy and intellectual disability.
• Apgar scores have limited predictive power for cerebral palsy in the majority of affected children.