ICU patients get end-of-life care

When hospitals are short on beds in the intensive care unit, doctors are more likely to switch from live-saving care to end-of-life care, according to a new Canadian study that looked at more than 3,000 people.

But it wasn't clear whether that meant patients died any sooner, the researchers reported in the Archives of Internal Medicine.

"A lot of ICU beds in this country are filled with patients that are either too sick to benefit or too well to benefit," said Scott Halpern, a critical care expert at the University of Pennsylvania in Philadelphia, who wrote a commentary on the findings.

"The present study is interesting in that it raises the possibility that scarcity may in fact be the mother of expedited end-of-life decision-making. It's much easier to transfer a patient to an intensive care unit whether or not they will benefit from it than it is to have a difficult discussion about the end of life."

Last month, a French study showed that patients who were denied ICU access because of bed shortages had a higher risk of dying over the next few months.

How the study was done

In the new study, Henry Stelfox at the University of Calgary and colleagues used data on nearly 3,500 hospitalised patients who had suddenly gotten very ill, launching the hospital's emergency team into action.

The emergency team was called much less often when there weren't any free ICU beds compared with when at least three were available.

When no ICU beds were free, 12% of patients were admitted to the ICU within two hours, compared to 21% when more than two beds were free.

The goals of care changed from resuscitation to medical or comfort care 15% of the time when the ICU was full, compared to 9% of the time when three or more beds were available.

Whether that's appropriate is unclear and depends on individual values, Halpern said.

For example, a woman with fatal cancer whose blood pressure drops suddenly might be kept alive for a little longer if she gets aggressive treatment in the ICU, Halpern said. But she might have a more peaceful death if given comfort care instead.

"She would die either way, but in this case in a more palliative setting," he added.

There was no difference in death rates at the hospital, although Halpern said that result could be misleading because patients who got comfort care were often sent home.

"Work needs to be done to better understand how commonly ICU beds are not available, and how often that affects patients who could benefit from ICU admission," he added. (AP, March 2012)

Read more:
Optimism clouds judgement in the ICU

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