Hospital emergency department visits increased in Illinois after the Affordable Care Act took effect — the opposite of what many hoped would happen under the landmark health care law, according to a new study.

“Emergency departments are already overcrowded, and bringing more patients in will continue to make that worse,” said Dr. Scott Dresden, an assistant professor of emergency medicine at Northwestern University Feinberg School of Medicine, and the lead author of the study.

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The Centers for Medicare and Medicaid Services on Monday issued a proposed rule to govern how Obamacare exchanges will operate in 2018. The proposal would change Obamacare’s risk adjustment program to account for prescription drug data.

Currently, the government determines which plans have sicker enrollees, and thus should receive assistance, based on claims data.

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U.S. Senate Majority Leader Mitch McConnell predicted Monday that the federal health care overhaul championed by President Barack Obama is likely to undergo changes next year, regardless of who wins the White House and which party has the upper hand in Congress.

The Kentucky Republican, who has long advocated repealing the Affordable Care Act, told a business audience in his hometown that the law “can’t possibly go on like it is.” He predicted the overhaul “will be revisited by the next president, whoever that is.”

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