Health insurer Aetna has boosted its Medicare Advantage and Medicaid business, as it agreed to buy Coventry Health Care for $5.7 billion in cash and stock.

Here are 11 issues dealing with Medicare or Medicaid that occurred in the past week, starting with the most recent.

For Paul Goldberg, CFO of LibertyHealth, a good year is just breaking even. But the same could be said for almost every other safety-net hospital in today's economic climate.

Ozarks Community Hospital, a two-hospital system based in Springfield, Mo., has received a $7 million revolving line of credit.

Endo Health Solutions' quarterly profit of anesthetic and generic drugs beat analysts' expectations with a $785 million — or 29 percent — revenue increase, according to Reuters.

Net income in the three months ended June 30, 2012, plunged steeply for the four largest health insurers in Massachusetts, with the insurers citing a more competitive market and efforts to keep premiums more affordable for employers and individuals.

Healthcare revenue growth rates hit a wall in the June 2011 through June 2012 time span, as all nine Standard & Poor's Healthcare Economic Indices (pdf) dropped from May 2012 figures.

Moody's Investors Services has maintained its negative outlook for non-profit hospitals for the remainder of 2012, as most of the challenges outlined in January are expected to persist, according to the rating agency's mid-year outlook report.

The American Hospital Association is urging hospitals to participate in the second year of its Schedule H Project, according to an AHA News Now report.

Eleven acute-care hospitals and health systems have issued tax-exempt, fixed-rate bonds from July 16 to August 15, according to a report by HFA Partners.