JOURNAL OF THE CZECH PEDIATRIC SOCIETY AND THE SLOVAK PEDIATRIC SOCIETY

Čes-slov Pediat 2022, 77(6):333-339 | DOI: 10.55095/CSPediatrie2022/059

Epidemiological and clinical characteristics of paediatric inflammatory multisystem syndrome temporally associated with SARS-CoV-2 (PIMS-TS) in the Czech RepublicOriginal Papers

Jan David1, Veronika Stará1, Ondřej Hradský1, Šárka Pešková1, Ledjona Toni1, Vojtěch Šedivý1, Michaela Šibíková1, 2, 3, Hana Malcová4, Jana Tučková5, Kateřina Slabá5, Petr Jabandžiev5, 6, Lumír Šašek7, Michal Huml7, Iveta Žídková8, Jan Pavlíček8, Alžběta Palátová9, Eva Klásková9, Karina Bánszka10, Eva Terifajová10, Radim Vyhnánek11, Markéta Bloomfield11, 12, Šárka Fingerhutová13, Pavla Doležalová13, Lucie Procházková14, Gabriela Chramostová15, Roman Grätz16, Martin Chalupský17, Magdalena Chvílová Weberová18, Jana Radvanová19, Luděk Ryba20, Pavel Vlachý21, Martin Žáček22, Filip Fencl1, Jan Lebl1
1 Pediatrická klinika, 2. lékařská fakulta Univerzity Karlovy a FN v Motole, Praha
2 Ordinace PLDD, Smečno
3 Oddělení dětského urgentního příjmu a lékařské služby první pomoci, FN v Motole, Praha
4 Oddělení revmatologie dětí a dospělých, FN v Motole, Praha
5 Pediatrická klinika, Masarykova univerzita a FN Brno, Brno
6 Central European Institute of Technology, Masarykova univerzita, Brno
7 Dětská klinika, Lékařská fakulta Univerzity Karlovy a FN Plzeň, Plzeň
8 Klinika dětského lékařství, Lékařská fakulta Ostravské univerzity a FN Ostrava, Ostrava
9 Dětská klinika, Lékařská fakulta Univerzity Palackého a FN Olomouc, Olomouc
10 Dětská klinika, Lékařská fakulta Univerzity Karlovy a FN Hradec Králové, Hradec Králové
11 Pediatrická klinika, 1. lékařská fakulta Univerzity Karlovy a Fakultní Thomayerova nemocnice, Praha
12 Ústav imunologie, 2. lékařská fakulta Univerzity Karlovy a FN v Motole, Praha
13 Klinika pediatrie a dědičných poruch metabolismu, 1. lékařská fakulta Univerzity Karlovy a Všeobecná fakultní nemocnice, Praha
14 Dětské oddělení, Krajská nemocnice T. Bati, Zlín
15 Dětské oddělení, Oblastní nemocnice Kolín, Kolín
16 Pediatrické oddělení, FN Na Bulovce, Praha
17 Dětské oddělení, Nemocnice Nové Město na Moravě, Nové Město na Moravě
18 Dětské oddělení, Nemocnice Havlíčkův Brod, Havlíčkův Brod
19 Dětské a novorozenecké oddělení, Nemocnice Třebíč, Třebíč
20 Dětské oddělení, Orlickoústecká nemocnice, Ústí nad Orlicí
21 Pediatrické oddělení, Nemocnice Jihlava, Jihlava
22 Dětské oddělení, Nemocnice České Budějovice, České Budějovice

Objective: The aim of this study was to analyse epidemiology and clinical course of paediatric inflammatory multisystem syndrome temporally associated with SARS-CoV-2 (PIMS-TS) in the Czech Republic.

Methods: We performed a retrospective-prospective nationwide observational study based on patients hospitalised with PIMS-TS according to World Health Organization definition and who were admitted to a hospital in the Czech Republic between November 1st, 2020, and May 31st, 2021. The anonymised data of patients (demographic and clinical data) were obtained from their medical records. Some of the data from the above-mentioned study period were compared with the results of a smaller set of patients from the next pandemic wave. The second nationwide observation period followed from June 1st, 2021, to March 31st, 2022. This period was characterized by prevailing delta and subsequently omicron variants.

Results: Between November 1st, 2020 and May 31st, 2021, the total number of diagnosed patients with PIMS-TS in the Czech Republic was 207. The overall incidence was 1:10,100 of the paediatric population aged 0–19 years; and 1:1,127 out of all children who tested positive for SARS-CoV-2, respectively. During follow-up, only two patients (1.2%) had persistent coronary artery dilation, all patients had normal cardiac function. Between June 1st, 2021 and March 31st, 2022, PIMS-TS was diagnosed in additional 222 children. Whereas PIMS-TS was frequent during the prevailing delta variant, the predominating omicron variant led to its decline to one fourth in relation to numbers of those tested positively for SARS-CoV-2. The total number of children affected by PIMS-TS reached 429, with no reported fatalities.

Conclusion: Above expectation outcome with no death could be explained by awareness campaigns and national guidelines with early use of combined immunosuppressive treatment.

Keywords: PIMS-TS, MIS-C, COVID-19, incidence

Published: December 8, 2022  Show citation

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David J, Stará V, Hradský O, Pešková Š, Toni L, Šedivý V, et al.. Epidemiological and clinical characteristics of paediatric inflammatory multisystem syndrome temporally associated with SARS-CoV-2 (PIMS-TS) in the Czech Republic. Ces-slov Pediat. 2022;77(6):333-339. doi: 10.55095/CSPediatrie2022/059.
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