COVID-19 ICU survival rate improved globally

A new study finally provides a good news related to COVID-19 treatment. The study suggests that severely ill COVID-19 patients are significantly more likely to survive now compared to a few months ago.

The researchers have reported that the deaths for COVID-19 patients in intensive care units have fallen by nearly a third in North America, Asia and Europe since the start of the pandemic.Overall, ICU deaths fell from nearly 60% at the end of March to 42% by the end of May.

That translates to tens of thousands of lives saved and "may reflect the rapid learning that has taken place on a global scale" of what drugs work (for example, remdesivir and dexamethasone) or don't (hydroxychloroquine) to beat back COVID-19, according to a team led by Tim Cook. He's a consultant in anesthesia and intensive care medicine at Royal United Hospitals Bath NHS Foundation Trust in England.

But just because fewer very ill COVID-19 patients are dying doesn't mean societies can become complacent about the threat, experts said.

"Any successful treatment, when not coupled with good public health measures to keep the new case rate below the limit of existing health care resources, will erase any gains made over the last few months by simply overwhelming the ICUs that have just become better at treating COVID-19," stressed Dr. Eric Cioe Pena. He directs global health at Northwell Health in New Hyde Park, N.Y.

Indeed, COVID-19 death rates are beginning to rise again in the United States, despite improvements in care. By Wednesday, the U.S. coronavirus case count passed 3.4 million as the death toll passed 136,000, according to a New York Times tally.


Still, if you are unlucky enough to land in an ICU with COVID-19, your odds of leaving alive are better now, Cook and his team found.

Their report was based on an analysis of 24 studies from around the world, involving more than 10,000 patients. All studies focused on ICU deaths among adults battling COVID-19 published up to May 31.

The data suggest that the credit for improved survival doesn't rest with any one specific therapy, the researchers said. They published their findings July 15 in the journal Anaesthesia. Still, something must have changed over the study period. Besides all the new data on what drug therapies may help beat COVID-19, "it may also be that ICU admission criteria have changed over time, for example, with greater pressure on ICUs early in the pandemic surge," Cook said in a journal news release.

His team also noted that longer ICU stays for COVID-19 patients take time to be reflected in the published data. In fact, severe COVID-19 illness can last for long periods, with about 20% of COVID-19 ICU admissions in the United Kingdom lasting more than 28 days, and 9% for more than 42 days.

"The important message, however, is that as the pandemic has progressed and all these factors combine, survival of patients admitted to ICU with COVID-19 has significantly improved," the researchers concluded.

Still, it's too early for congratulations. As Cook's group noted, even at around 42% the death rate for COVID-19 patients in the ICU is still nearly double the death rate of ICU patients battling other viral pneumonias (22%).Even so, the findings suggest that "as the pandemic progresses, we may be coping better with COVID-19," the team said.

For his part, Pena says the study "rightly concludes something that we expect: As we learned more about this virus and its effect on the critically ill, we became better at treating it and its complications."

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