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Sepsis linked to 11m deaths worldwide - double what was previously thought

Sepsis occurs when a person’s organs cease to function properly as the result of an out-of-control immune response to infection.

Image: Shutterstock/Ezume Images

SEPSIS PLAYED A direct role in the deaths of 11 million people in 2017, almost twice as many as previously estimated, according to a study published today.

That represents one death for every five cases of the condition, and one in five deaths from all causes worldwide, researchers reported in The Lancet medical journal.

Sepsis occurs when a person’s organs cease to function properly as the result of an out-of-control immune response to infection.

Even if the condition doesn’t kill, it can create lifelong disabilities.

Symptoms are vague and can mimic other conditions such as flu and a chest infection. Sepsis carries a higher risk for those over 75 and under 1 year old, and pregnant women.

Some 85% of cases in 2017 were in low- or middle-income countries, with the highest burden in sub-Saharan Africa, the South Pacific, and Asia.

Hardest hit were children under five years old, who accounted for more than 40% of all cases.

“We are alarmed to find sepsis deaths are much higher than previously estimated, especially as the condition is both preventable and treatable,” said senior author Mohsen Naghavi, a professor at the Institute for Health Metrics and Evaluation in Washington state.

Previous global estimates for sepsis mortality put the global estimate for 2016 at 5.3 million deaths in 19.4 million cases. That data relied on hospital databases only, mostly from middle-income and rich nations.

In the United States, sepsis is the most common cause of in-hospital deaths, and costs more than $24 billion each year.

As a result, cases outside a hospital setting – notably in lower-income countries – were overlooked, the authors said.

To generate a more accurate figure, Naghavi and colleagues drew from the comprehensive Global Burden of Disease Study, which tracks 282 different primary causes of death.

Sepsis – not among them – is described as a so-called “intermediate” cause of death provoked by diseases such as cancer, pneumonia or diabetes.

The most common underlying cause has consistently been lower respiratory infection.

The new study found that sepsis incidence and death rates have declined, falling from 60 million cases and 15.7 million deaths in 1990.

The authors called for a renewed focus on sepsis prevention among newborns, and on tracking antimicrobial resistance – both key drivers of the condition.

“I’ve worked in Uganda, and sepsis is what we saw every single day,” said lead author Kristina Rudd, an assistant professor in the University of Pittsburgh’s Department of Critical Care Medicine.

“Watching a baby die of a disease that could have been prevented with basic public health measures really sticks with you,” she said in a statement.

“But how can we know if we’re making progress if we don’t even know the size of the problem?” she added.

If you look at any top 10 list of deaths globally, sepsis is not listed because it hasn’t been counted.

About the author:

AFP

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