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Cancer patients and docs disagree about prognosis

Doctor consults with cancer

patient and her father

Photo by Rhoda Baer

In a survey of advanced cancer patients and their oncologists, differing opinions about prognosis were common.

And the vast majority of patients didn’t know their doctors held different opinions about how long the patients might live.

Results of the survey were published in JAMA Oncology.

“We’ve discovered 2 important things happening between oncologists and patients with advanced cancer,” said study author Ronald M. Epstein, MD, of the University of Rochester Medical Center in Rochester, New York.

“First, some patients might know the doctor’s prognosis estimate, but the patient chooses to disagree, often because they believe other sources. And, second, some patients think that their doctor agrees with their opinion about prognosis but, in fact, the doctor doesn’t.”

Dr Epstein and his colleagues surveyed 236 patients with stage 3 or 4 cancer. According to medical evidence, fewer than 5% of these patients would be expected to live for 5 years.

The 38 oncologists who treated these patients were also surveyed. The doctors were asked,“What do you believe are the chances that this patient will live for 2 years or more?” And the patients were asked, “What do you believe are the chances that you will live for 2 years or more?”

Additional survey questions gauged whether patients knew their prognosis opinions differed from their doctors and to what extent treatment options were discussed in the context of life expectancy.

Among the 236 patients, 68% rated their survival prognosis differently than their oncologists, and 89% of these patients did not realize their opinions differed from their oncologists. In nearly all cases (96%), the patients were more optimistic than their doctors.

“Of course, it’s only possible for doctors to provide a ball-park estimate about life expectancy, and some people do beat the odds,” Dr Epstein noted. “But when a patient with very advanced cancer says that he has a 90% to 100% chance of being alive in 2 years and his oncologist believes that chance is more like 10%, there’s a problem.”

The challenge, according to Dr Epstein and his colleagues, is that talking about a cancer prognosis is not a straightforward exchange of information. It occurs in the context of fear, confusion, and uncertainty.

The researchers said prognosis should be addressed in several conversations about personal values and treatment goals. When doctor-patient communication is poor, it can result in mutual regret about end-of-life circumstances.

For example, nearly all of the patients surveyed said they wanted to be involved in treatment decisions. And 70% said they preferred supportive care at the end of their lives as opposed to aggressive therapy. However, as the researchers pointed out, making an informed decision requires knowing when death is approaching.

“When people think they’ll live a very long time with cancer, despite evidence to the contrary, they may end up taking more aggressive chemotherapy and agreeing to be placed on ventilators or dialysis, paradoxically reducing their quality of life, keeping them from enjoying time with family, and sometimes even shortening their lives,” Dr Epstein said. “So it’s very important for doctors and patients to be on the same page.”

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Doctor consults with cancer

patient and her father

Photo by Rhoda Baer

In a survey of advanced cancer patients and their oncologists, differing opinions about prognosis were common.

And the vast majority of patients didn’t know their doctors held different opinions about how long the patients might live.

Results of the survey were published in JAMA Oncology.

“We’ve discovered 2 important things happening between oncologists and patients with advanced cancer,” said study author Ronald M. Epstein, MD, of the University of Rochester Medical Center in Rochester, New York.

“First, some patients might know the doctor’s prognosis estimate, but the patient chooses to disagree, often because they believe other sources. And, second, some patients think that their doctor agrees with their opinion about prognosis but, in fact, the doctor doesn’t.”

Dr Epstein and his colleagues surveyed 236 patients with stage 3 or 4 cancer. According to medical evidence, fewer than 5% of these patients would be expected to live for 5 years.

The 38 oncologists who treated these patients were also surveyed. The doctors were asked,“What do you believe are the chances that this patient will live for 2 years or more?” And the patients were asked, “What do you believe are the chances that you will live for 2 years or more?”

Additional survey questions gauged whether patients knew their prognosis opinions differed from their doctors and to what extent treatment options were discussed in the context of life expectancy.

Among the 236 patients, 68% rated their survival prognosis differently than their oncologists, and 89% of these patients did not realize their opinions differed from their oncologists. In nearly all cases (96%), the patients were more optimistic than their doctors.

“Of course, it’s only possible for doctors to provide a ball-park estimate about life expectancy, and some people do beat the odds,” Dr Epstein noted. “But when a patient with very advanced cancer says that he has a 90% to 100% chance of being alive in 2 years and his oncologist believes that chance is more like 10%, there’s a problem.”

The challenge, according to Dr Epstein and his colleagues, is that talking about a cancer prognosis is not a straightforward exchange of information. It occurs in the context of fear, confusion, and uncertainty.

The researchers said prognosis should be addressed in several conversations about personal values and treatment goals. When doctor-patient communication is poor, it can result in mutual regret about end-of-life circumstances.

For example, nearly all of the patients surveyed said they wanted to be involved in treatment decisions. And 70% said they preferred supportive care at the end of their lives as opposed to aggressive therapy. However, as the researchers pointed out, making an informed decision requires knowing when death is approaching.

“When people think they’ll live a very long time with cancer, despite evidence to the contrary, they may end up taking more aggressive chemotherapy and agreeing to be placed on ventilators or dialysis, paradoxically reducing their quality of life, keeping them from enjoying time with family, and sometimes even shortening their lives,” Dr Epstein said. “So it’s very important for doctors and patients to be on the same page.”

Doctor consults with cancer

patient and her father

Photo by Rhoda Baer

In a survey of advanced cancer patients and their oncologists, differing opinions about prognosis were common.

And the vast majority of patients didn’t know their doctors held different opinions about how long the patients might live.

Results of the survey were published in JAMA Oncology.

“We’ve discovered 2 important things happening between oncologists and patients with advanced cancer,” said study author Ronald M. Epstein, MD, of the University of Rochester Medical Center in Rochester, New York.

“First, some patients might know the doctor’s prognosis estimate, but the patient chooses to disagree, often because they believe other sources. And, second, some patients think that their doctor agrees with their opinion about prognosis but, in fact, the doctor doesn’t.”

Dr Epstein and his colleagues surveyed 236 patients with stage 3 or 4 cancer. According to medical evidence, fewer than 5% of these patients would be expected to live for 5 years.

The 38 oncologists who treated these patients were also surveyed. The doctors were asked,“What do you believe are the chances that this patient will live for 2 years or more?” And the patients were asked, “What do you believe are the chances that you will live for 2 years or more?”

Additional survey questions gauged whether patients knew their prognosis opinions differed from their doctors and to what extent treatment options were discussed in the context of life expectancy.

Among the 236 patients, 68% rated their survival prognosis differently than their oncologists, and 89% of these patients did not realize their opinions differed from their oncologists. In nearly all cases (96%), the patients were more optimistic than their doctors.

“Of course, it’s only possible for doctors to provide a ball-park estimate about life expectancy, and some people do beat the odds,” Dr Epstein noted. “But when a patient with very advanced cancer says that he has a 90% to 100% chance of being alive in 2 years and his oncologist believes that chance is more like 10%, there’s a problem.”

The challenge, according to Dr Epstein and his colleagues, is that talking about a cancer prognosis is not a straightforward exchange of information. It occurs in the context of fear, confusion, and uncertainty.

The researchers said prognosis should be addressed in several conversations about personal values and treatment goals. When doctor-patient communication is poor, it can result in mutual regret about end-of-life circumstances.

For example, nearly all of the patients surveyed said they wanted to be involved in treatment decisions. And 70% said they preferred supportive care at the end of their lives as opposed to aggressive therapy. However, as the researchers pointed out, making an informed decision requires knowing when death is approaching.

“When people think they’ll live a very long time with cancer, despite evidence to the contrary, they may end up taking more aggressive chemotherapy and agreeing to be placed on ventilators or dialysis, paradoxically reducing their quality of life, keeping them from enjoying time with family, and sometimes even shortening their lives,” Dr Epstein said. “So it’s very important for doctors and patients to be on the same page.”

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