Many children gained insurance with the 2014 Affordable Care Act's (ACA) Medicaid Expansion (ME), yet its impact on access to pediatric tertiary surgical care remains unknown. We examined the effect of ME on rates of elective, ambulatory surgery (EAS), especially among publicly-insured and ethnoracial-minority patients.
Surgical patients ≤18 years between 2012-2018 were identified using the Pediatric Health Information System. Interrupted time series analyses were conducted to predict the monthly proportion of publicly-insured patients and EAS rates in ME and nonexpansion states.
3,270,842 patients were included. Nonexpansion states demonstrated a 1.10% (p