Thu. May 19th, 2022

The U.S. Centers for Disease Control and Prevention said Thursday it has seen a 12% increase in reports of multisystem inflammatory syndrome in children or MIS-C since late August. Doctors at a handful of children’s hospitals around the country say they are still treating more MIS-C cases than they had been earlier in the year, even though MIS-C is considered rare.

“We had a nice long break from those cases over the summer and even into the fall, where we could occasionally get an occasional MIS-C case here and there, but in the last three to four weeks there has definitely been an increase. “And I would expect it to continue for the next few weeks,” said Dr. Amy Edwards, an infectious disease specialist at UH Rainbow Babies & Children’s Hospital in Cleveland.

The CDC said it is aware of 5,217 cases reported through October 4. At least 46 children have died from MIS-C an increase of more than 12% in deaths from the previous month and one of the largest increases this year.
Overall, children are much less likely than adults to be hospitalized or die of Covid-19 than adults. More than 5.9 million children have been diagnosed with Covid-19, but MIS-C cases make up a one-minute fraction — far less than 1% —of all cases identified among children.
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Doctors do not know for sure what causes MIS-C. Often children first have covid-19, but not always. For the few children who continue to develop MIS-C, it seems that the condition ignites different parts of the body and it can be serious.

The CDC advises parents or relatives to contact a physician immediately if a child has a fever, abdominal pain, vomiting, diarrhea, neck pain, rash, bloodshot eyes, or extra fatigue.

At Children’s National in DC, the rise in cases just started last week, according to Dr. Roberta DeBiasi, Head of the Division of Pediatric Diseases. This wave of new MIS-C cases has not been as great as two surges earlier in the year, when they saw up to about 60 MIS-C patients. For this wave, they have so far had about 18 MIS-C patients.

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At Children’s Hospital Colorado, they also saw “significantly” more MIS-C cases in September compared to previous months, according to Dr. Sam Dominguez, a pediatric disease expert at the hospital. But he said they do not see the same rates as they saw in December 2020 and January 2021.

The rise in cases has not affected the country evenly. Regions with minor increases in Covid-19 cases, e.g. Chicago, does not report an increase in MIS-C, according to Dr. Bill Muller, an infectious disease specialist at Ann & Robert H. Lurie Children’s Hospital in Chicago. “We saw an increase in the number of Covid-19 cases with Delta, including increased hospitalizations, but it was nowhere near what the South had,” Muller said.

Doctors say that is why vaccines are so important, even if young children are not eligible to get a vaccine. The adults around those who can help get the community case numbers down. If the number of Covid-19 cases is lower, there is a much smaller chance that children will develop MIS-C.

The children who appear most vulnerable to MIS-C appear to share similar demographic characteristics. Most reported MIS-C cases were among children and adolescents between the ages of 5 and 13, with an average age of about 9, the CDC said. More than half, 59%, were in men. MIS-C has disproportionately affected color colors. In its latest update, the CDC said that 61% of reported cases are in children who are Latino or non-Hispanic black.

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Edwards at UH Rainbow Babies & Children’s Hospital in Cleveland said many of the children they treat for MIS-C had mild or even asymptomatic coronavirus infections at first. She said it was something parents should keep in mind.

“Even if you’re not sure if your child had covid if they had mild symptoms after being exposed to someone, but then they got better, and about a month later it seems to get sick again, especially if they have a very high fever, I would be wrong to have them checked sooner rather than later, “said Edwards.” What we know about MIS-C is that the earlier you intervene, the less sick the children seem to be. to become.”

DeBiasi at Children’s National said they have had great success treating patients with MIS-C. Treatment includes fluids, respiratory support, anti-inflammatory drugs and an immunoglobulin infusion. “Even the sickest kids with MIS-C who are in the intensive care unit and need a lot of support really seem to turn around relatively quickly once they get the immunoglobulin going,” DeBiasi said.


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