Study: Hospital Infections Kill 48,000 in U.S. Each Year

Infections of sepsis and pneumonia acquired in the hospital may kill 48,000 people each year, a new study shows.

Researchers examined hospital discharge records in 40 states between 1998 and 2006 in drawing their conclusions about the potential death toll from pneumonia and sepsis -- two of the most common hospital-acquired infections. They also calculated that these infections cost $8.1 billion to treat and lead to 2.3 million total days of hospitalization.

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"It's something that deserves a much stronger response from public health authorities than it has [received] so far," said Ramanan Laxminarayan, a senior fellow at Resources for the Future, a nonprofit and nonpartisan organization that conducts independent research on environmental, energy, natural resource and public health issues, and the study's lead author.

"We've known for a long time that people who go into hospitals for reasons other than an infection pick up an infection during the course of hospitalization and possibly die from that infection," he said.

If the projections are accurate, hospital-acquired infections of pneumonia and sepsis would account for more than 1 percent of all hospital spending in the United States, which was $718.4 billion in 2008, according to the most recent report from the Centers for Medicare & Medicaid Services.

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The hospital-acquired infection study appears in the most recent issue of the Archives of Internal Medicine.

"I wish we would have had the paper in January [when we released a paper on bloodstream infections] because the methodology they used is so robust compared to other methodologies used to measure the impact [of hospital-acquired infections]," said Dr. John Santa, director of the Consumer Reports Health Ratings Center. "The impact of hospital associated infections is huge, from both a mortality and a cost point of view."

"These are really more data which speak to the importance of preventing health care associated infections," said Dr. Brian Koll, chief of infection control at Beth Israel Medical Center in New York.

He said in many cases, the conditions are referred to as "health care associated infections" (the study authors referred to them as such in their paper) because these measures are important in clinics and other patient care settings as well.

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Patients, Koll said, need to be aware of what is going on whenever they enter a health care setting.

"The reason everybody really focuses on hand-washing is that is really the single best way to prevent transmission of infections," he said. It is also easier to follow, since a patient can see if health staffers wash their hands or change their gloves.

There are a few more questions patients could ask, Koll said.

"They should speak with their provider, to say, 'What do you do to prevent infections,'" he said. "Do you give antibiotics before my procedure to make sure I don't get infected? Should I get screened for MRSA?"

Koll said studies like the current one will aid in reform because they highlight the problem with numbers.

"I think that will be a strong impetus for folks who are not following guidelines set by the CDC [and other health care organizations]," he said.

A Lack of Incentives?

While infection problems in hospitals have been highlighted before, that hasn't led to their elimination.

The problem, Laxminarayan said, is a lack of incentives.

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