J Pediatr Infect Dis 2024; 19(04): 227-234
DOI: 10.1055/s-0044-1787730
Original Article

Comparison of Characteristics and Outcomes of Multisystem Inflammatory Syndrome and Prepandemic Kawasaki's Disease

Neşe Ünlü
1   Department of Pediatrics, Bağcılar Training and Research Hospital, University of Health Sciences, Istanbul, Türkiye
,
2   Department of Pediatrics, Pediatric Intensive Care Unit, Bağcılar Training and Research Hospital, University of Health Sciences, Istanbul, Türkiye
,
Övgü Büke
1   Department of Pediatrics, Bağcılar Training and Research Hospital, University of Health Sciences, Istanbul, Türkiye
,
Sertaç Hanedan Onan
3   Department of Pediatrics, Clinic of Pediatric Cardiology, Bağcılar Training and Research Hospital, University of Health Sciences, Istanbul, Türkiye
,
Aslıhan Tenekecigil
4   Department of Medical Biochemistry, Bagcılar Research and Education Hospital, University of Health Sciences, Istanbul, Türkiye
5   Department of Medical Biochemistry, Faculty of Medicine, Gazi University, Ankara, Türkiye
,
Meltem Erol
1   Department of Pediatrics, Bağcılar Training and Research Hospital, University of Health Sciences, Istanbul, Türkiye
6   Department of Pediatrics, Division of Adolescent Medicine, Institute of Child Health, Istanbul University, Istanbul, Türkiye
,
Özlem Bostan Gayret
1   Department of Pediatrics, Bağcılar Training and Research Hospital, University of Health Sciences, Istanbul, Türkiye
› Author Affiliations

Abstract

Objective In this study, our objective is to compare the demographic, clinical, laboratory, and echocardiographic findings of patients with multisystem inflammatory syndrome in children (MIS-C) and Kawasaki's disease (KD) diagnosed in the prepandemic period.

Methods We retrospectively collected data from all pediatric patients who met the Centers for Disease Control and Prevention's MIS-C case definition and who met the American Heart Association's definition of complete KD before the coronavirus disease 2019 pandemic.

Results A total of 37 patients diagnosed with MIS-C and 40 patients diagnosed with complete KD were included. Gastrointestinal findings were significantly higher in the MIS-C group than in the KD group (vomiting [p = 0.009], diarrhea [p = 0.009]). The incidence of thrombocytopenia (48.6%) was significantly higher in the MIS-C group. Regarding inflammatory markers, procalcitonin and ferritin were significantly higher in the MIS-C group (p = 0.032 and p = 0.006) and the erythrocyte sedimentation rate was higher in the KD group (p < 0.001). Pericardial effusion and mitral valve regurgitation were significantly more frequent in the MIS-C group (p = 0.024 and p = 0.001).

Conclusion Although they have similar findings, our current study findings show that MIS-C and KD differ from each other with different clinical and laboratory features. We think that these differences will help clinicians in diagnosis and patient management.



Publication History

Received: 24 November 2023

Accepted: 21 May 2024

Article published online:
19 July 2024

© 2024. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 
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