The sweeping healthcare reforms encompassed in the landmark Patient Protection and Affordable Care Act will transform parts of the American healthcare landscape. But the nation’s fiscal challenges and the unsustainable cost increases generated by the U.S. health system also will drive fundamental changes in the way providers, payers and patients search for a more cost-effective and accountable set of solutions to a health system in crisis, said McKesson’s top public policy expert at ideaShare 2012.