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COVID-19 Poses Threat for Heart Dysfunction in Children

by Karishma Abhishek on June 9, 2021 at 1:32 PM
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Highlights:

Multisystem Inflammatory Syndrome in Children (MIS-C) has been a mysteriously rare and frightening consequence of COVID-19 and poses a high risk for undergoing a reduction in heart function (or heart dysfunction) among children, as per a study at Children's Hospital, Michigan. This makes it tough for the heart to pump adequate blood to the body.

What is MIS-C?

Multisystem inflammatory syndrome in children (MIS-C) is also known as a pediatric inflammatory multisystem syndrome that is temporally associated with hyperinflammatory conditions among children post COVID-19.


MIS-C has features related to those of Kawasaki disease (it involves the skin, mouth, and lymph nodes) and toxic shock syndrome (complication of bacterial infection). Due to the involvement of multiple systems and imprecise mechanisms, it is important to define this syndrome and its risk factors, so that treatment interventions can be adjusted subsequently.

Heart Dysfunction with MIS-C

"After they get exposure or get COVID-19, then about three to six weeks later the immune system mounts this very acute, hyperacute reaction and that leads to inflammation of multiple organs in the body including heart," says Dr. Gautam Singh, lead author of the study and chief of Paediatric cardiology, Children's Hospital, Michigan.

‘Multisystem inflammatory syndrome in children (MIS-C) is a rare and fatal hyperinflammatory condition among children post-COVID-19 that increases the risk of heart dysfunction. This highlights the need for adults to continue protecting the young children by characterizing the syndrome for better treatments and getting everyone vaccinated.’

The study investigated 54 children with MIS-C who were admitted to Children's Hospital last year. It was found that the majority of the kids' heart and blood vessels were affected and some even required a life support machine called "Extracorporeal membrane oxygenation(ECMO)" to survive.

Even among the 20% of the children who seemed to fully recover, had signs of abnormal heart function on ultrasounds. Hence they were followed up and by the end of six months, they fully recovered.

Although COVID doesn't cause serious complexities in most children, the present study stresses the need for adults to continue guarding these young ones by getting themselves and their children vaccinated.

Other Manifestations of MIS-C

Managing COVID-19


References:

  1. Multisystem inflammatory syndrome in children: A systematic review: Mubbasheer Ahmed et al: E.Clinical Medicine 2021: - (https:doi.org/10.1016/j.eclinm.2020.100527)
  2. Multisystem inflammatory syndrome in children: A systematic review - (https:www.thelancet.com/journals/eclinm/article/PIIS2589-5370(20)30271-6/fulltext)
  3. Multisystem inflammatory syndrome in children and adolescents temporally related to COVID-19 - (https:www.who.int/news-room/commentaries/detail/multisystem-inflammatory-syndrome-in-children-and-adolescents-with-covid-19)


Source: Medindia

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