The document discusses the evolution of the US healthcare system towards managed care models beginning in the 1980s. Managed care aimed to control costs by managing care through tools like pre-authorization requirements and capitation payments to providers. This shifted care delivery towards integrated delivery networks and accountable care organizations which aim to improve coordination and quality. Hospitals now play a role in advancing continuous quality improvement and modernizing care delivery. Looking ahead, the literature suggests further transition towards value-based payment models will continue to shape the future of healthcare.