Maryn McKenna

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Child deaths from flu + MRSA, again

February 23, 2009 By Maryn Leave a Comment

Folks, I am close to manuscript deadline and so keep disappearing down the rabbit hole; forgive me if I don’t post as regularly as usual, I’ll be back as soon as I can.

I wanted to point out the announcement by the Centers for Disease Control late Friday that we are starting to see children dying from MRSA this flu season. (The architecture of the linked page is unfortunately way clumsy; at the link, scroll down to the subhead “Influenza-Associated Pediatric Mortality.”)

Since September 28, 2008, CDC has received nine reports of influenza-associated pediatric deaths that occurred during the current season.
Bacterial coinfections were confirmed in six (66.7%) of the nine children; Staphylococcus aureus was identified in four (66.7%) of the six children. Two of the S. aureus isolates were sensitive to methicillin and two were methicillin resistant. All six children with bacterial coinfections were five years of age or older.

We’ve talked before (here, here and here, among other posts) among the emerging understanding of the particular danger that MRSA poses during flu season, when (it is hypothesized) inflammation from flu infection makes the lungs more vulnerable to secondary bacterial infection.

(For those paying attention to the hospital v. community MRSA debate, this is a community-associated infection, not a hospital one.)

This current CDC bulletin underlines, just in case we have forgotten, that drug-sensitive S. aureus (MSSA) can be a serious foe as well. Let’s remember, resistance makes MRSA less treatable than MSSA, but it does not change its virulence; MSSA by itself can be a very serious foe. Yes, there are other changes in some strains, especially the community ones, that do appear to increase virulence, but the original MSSA strain is nothing to trifle with.

Also, here’s an important addition to this unfolding story: My colleagues at the Center for Infectious Disease Research and Policy are keeping track of kid deaths around the country. According to them, these CDC numbers are already out of date; they have uncovered more that the CDC has not yet posted, but may take note of in future weekly updates.

Filed Under: CDC, children, flu, influenza, MRSA, MSSA, pneumonia

More on MRSA pneumonia, flu and ER delays

December 9, 2008 By Maryn Leave a Comment

Folks, yesterday I posted the very sad story of 39-year-old Robert Sweitzer of Tucson, who died of MRSA pneumonia after being triaged to an 8-hour wait, in an overcrowded emergency room, during the height of flu season.

As a follow-up, I want to emphasize that while necrotizing pneumonia may seem an unusual circumstance, there is one thing in his story that is very, very common: The ER wait.

Emergency departments all over the country are suffering extraordinary stresses thanks to a confluence of factors: The unfunded mandate of mandatory ER care or at least treatment and stabilization, through the federal legislation known as EMTALA. The closure of large numbers of in-hospital beds, which make it more difficult to get patients admitted. The lack of adequate primary care, which drives people to seek ER care because they cannot get into a regular doctor’s office. The extraordinary percentage of Americans who have no health insurance — a percentage that is likely to increase as the economic meltdown continues.

How crowded are emergency departments? On average in the United States, an ambulance is diverted — denied admittance because an ER is too full to take new patients — once every minute.

To quote a bumper sticker that got a lot of use over the past few years: If you aren’t outraged, you’re not paying attention.

(Disclosure: I was a Henry J. Kaiser Family Foundation fellow in 2006-07, and spent an average of eight nights a month, for a year, as an ER observer. So ER overcrowding is something I both have witnessed up close, and feel passionately about.)

I mention all this in order to let you know that the American College of Emergency Physicians released today a state-by-state “report card” on the condition of ER care in the United States. Our average national grade? C-. (If you don’t have time for the full report, the New York Times sums it up here. If you want to do more research, three Institute of Medicine reports on the issues, from 2006, are here.)

So, again: While Robert Sweitzer’s death may seem end-of-the-curve extraordinary, the conditions that contributed to his death — a crushing overload in a community-hospital ER — are very, very common. And that should frighten all of us.

Filed Under: ERs, flu, health policy, hospitals, influenza, MRSA, pneumonia, seasonal flu

The importance of MRSA in a flu pandemic

September 29, 2008 By Maryn Leave a Comment

Constant readers will know that, in another part of my life, I write a great deal about seasonal and pandemic influenza, a subject I’ve been following since writing the first story in the American media about avian influenza H5N1 (in August 1997; find it on this page.)

And people concerned about MRSA realize that flu and MRSA have an important overlap: For decades, long before the emergence of MRSA, staph was one of the most important contributors to secondary bacterial pneumonia, which occurs after the flu virus has damaged the lung tissue and allows staph and other bacteria to take hold.

In the past few years, we’ve been reminded of this interaction because of the shocking rise in cases of necrotizing pneumonia caused by MRSA (blogged here and here). Twice in the past two years, the CDC has asked state health departments to report any cases of flu/MRSA co-infection; in the 2006-07 flu season, 22 children died from MRSA necrotizing pneumonia secondary to flu.

Comes now one of the giants of staph research to warn of an unconsidered danger of MRSA: as a contributor to deaths in a flu pandemic. Dr. Theodore Eickhoff, who wrote some of the earliest papers on hospital-acquired staph infections, has written an assessment in Infectious Disease News of two new pieces of research into deaths during the 1918 flu pandemic. Both papers contend that it was bacterial pneumonia that was the major killer in that global storm of death, and not the novel flu virus itself.

Eickhoff looks forward from those findings to consider what havoc a new pandemic could wreak in this era of massive MRSA transmission. He contends that national planning for pandemics — a huge effort and expense for the US and other governments over the past few years — has paid insufficient attention to the possibility that bacterial infection will be as significant a danger as whatever new flu has emerged:

Authors of both of these reports point out that their findings have important implications for pandemic preparedness today. U.S. preparedness policy, and indeed that of almost all other countries, has been focused on preventing or modifying influenza virus infection itself. Thus, vaccine development and anti-viral drugs (eg, neuraminidase inhibitors) have been the major efforts, and a great deal of stockpiling has already taken place. Clearly it is equally necessary to stockpile antibiotics effective against primarily community-acquired organisms causing post-influenza pneumonia today, including both MSSA and MRSA. Much more consideration needs to be given to the possible role of pneumococcal and possibly other bacterial vaccines as part of pandemic preparedness.

Filed Under: antibiotics, avian flu, death, flu, history, influenza, MRSA, pandemic flu, pneumonia, seasonal flu

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