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Aim: Aim of this study is evaluate the clinical features, laboratory values, treatment and follow-up of in children with COVID-19-associated multisystem inflammatory syndrome (MIS-C) disease.
Materials and Methods: In this study, patients aged between 2 months and 17 years, who applied to the Inonu University Faculty of Medicine, Department of Pediatrics between March 2020, and February 2021 due to MIS-C related to COVID-19 disease, were reviewed retrospectively. Demographic data, clinical features, laboratory values, treatment and follow-up data of the patients were evaluated.
Results: Forty-nine patients diagnosed with MIS-C between March 2020 and February 2021 were included in the study. Thirty-one (72.7%) patients were male and 18 (27.3%) were female. The most common indications for admission were fever (100%), abdominal pain (51.6%), vomiting (42.9%), cough (38.8%), diarrhea (28.8%), shortness of breath, rash, conjunctivitis, and convulsion. Levels of CRP (93.9%), D-dimer (85.7%), fibrinogen (73.4%), interleukin 6 (IL6) (73.4%), procalcitonin (71.4%), NT-proBNP (63.2%) remained at high levels in respective number of patients. The (32.6%) patients were followed up in the intensive care unit. These patients had cardiogenic shock (26.5%), severe pneumonia (18.3%), and acute gastroenteritis (14.3%). It was determined that the mean age of the patients followed up for cardiogenic shock was 12.5 years and relatively higher (p<0.05). One patient died during follow-up.
Conclusion: Although the manifestations of MIS- C due to COVID -19 are seen relatively rarely in children, it constitutes a serious problem and they mostly require hospitalization in intensive care unit, simultaneously involves many organ systems, and leads a serious course with higher risk of mortality. Another problem in these patients is higher rates of cardiac involvement. For this reason, it is important to take necessary precautions to protect children against COVID 19 and its associated MIS-C, and to include them in vaccination programs.
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