In 2009, Koch spent five weeks at the hospital, undergoing a quadruple bypass in June and gallbladder surgery in July.

WSJ: Former NYC mayor Koch moved to intensive care

He suffers from a degenerative bone disorder in his hip and has had surgery for prostate cancer, a quadruple heart bypass and a double knee replacement.

CNN: Senator No

Mr Kerry made two phone calls soliciting advice from Mr Clinton, who was lying in a hospital bed awaiting quadruple bypass surgery.

ECONOMIST: The presidential election

The succession question has bedeviled Eisner since the sudden death of Disney president Frank Wells in 1994 and Eisner's own quadruple-bypass surgery a few months later.

FORBES: On The Cover

In 2000, he underwent quadruple bypass surgery, and had hip surgery following a fall in 2007, according to his IMDb profile.

CNN: Actor Andy Griffith dead at 86

They are offered every possible medical intervention, including quadruple-bypass surgery and dialysis (for Olimpia, a grandmother with a slim chance of survival) and bariatric surgery (for Marta, a younger family member who can't lose a pound on her own).

WSJ: Book Review: Twelve Patients

After Thomas underwent quadruple bypass surgery in December 1996, the company said it had a strategy for life after Dave, according to Janice Meyer, restaurant analyst with Credit Suisse First Boston.

FORBES: Magazine Article