Tags: elderly | heart | surgery

Study: Elderly Thriving After Heart Surgery

Monday, 10 Nov 2008 06:44 PM

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NEW ORLEANS — Eighty-year-olds with clogged arteries or leaky heart valves used to be sent home with a pat on the arm from their doctors and pills to try to ease their symptoms. Now more are getting open-heart surgery, with remarkable survival rates rivaling those of much younger people, new studies show.

Years ago, physicians "were told we were pushing the envelope" to operate on a 70-year-old, said Dr. Vincent Bufalino, a cardiologist at Loyola University in Chicago. But today "we have elderly folks who are extremely viable, mentally quite sharp," who want to decide for themselves whether to take the risk, he said.

Even 90-year-olds are having open-heart surgery, said Dr. Harlan Krumholz, a Yale University cardiologist who has researched older heart patients.

"Age itself shouldn't be an automatic exclusion," he said. Not every older person can undergo such a challenging operation, but the great results seen in the new studies show that doctors have gotten good at figuring out who can.

The studies were reported at an American Heart Association conference this week in New Orleans.

People 75 and older are the fastest-growing segment of the population; this group is projected to more than quadruple over the next 50 years. Forty percent have heart disease, and half will die from it.

In recent years, surgical techniques, anesthesia and other medical care advanced, and death rates fell. That led more doctors to operate on older patients for everything from bum knees to cancer to bad backs.

But open-heart surgery is another thing — splitting open an aged chest and putting a patient on a heart-lung machine while doctors repair fragile blood vessels and weak valves.

Treatment guidelines by the heart association and other groups do not have age cutoffs for such operations. It's been up to patients, doctors and insurers to decide whether to risk it.

In Florida, Dr. Paul Kurlansky led a study of 1,062 octogenarians who had heart bypass surgery at Mount Sinai Medical Center in Miami Beach from 1989 through 2001.

"The key issue here is not only, 'Can we operate and are they alive?' but 'How are they doing?'" Kurlansky said.

The answer: Average survival was roughly six years — almost the same as similarly aged people who do not have heart disease. Three years after their operations, 90 percent were still alive. Survival improved dramatically as the study went on, from 85 percent in the early years to 98 percent by its end.

Even more impressive: 65 percent survived without any long-term complications — a "very, very remarkable" result, Kurlansky said. Patients also reported a quality of life similar to others their age who did not have bypass surgery.

"What we are really dealing with is chronological age versus physical age," he said. Many elderly patients are hale and hearty, and if they need surgery, "there's no reason to deny them that."

The second study involved 8,796 elderly people in Maine, New Hampshire and Vermont with leaky aortic valves. The condition can kill within two or three years, and "surgery is their best option" for treatment, said Donald Likosky, a researcher at Dartmouth College in New Hampshire.

Six years after valve surgery — which sometimes included a bypass procedure, too — most were still alive. Median survival was seven years — about the same as the general population of that age.

Those 85 and older in the study actually outlived their general-population counterparts.

Earlier research found that people 76 and older recovered more slowly than younger patients after bypass surgery, but a year later most of them reported improvements in pain relief and quality of life similar to those for younger patients.

Bufalino told of a 102-year-old patient at Loyola who had heart surgery 23 years ago, when she was 79. During a recent office visit, she put him in his place about her health.

"I reached up to help her off the examining table and she said, 'I don't need your help, I'm fine,'" he said.

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