Objectives: The aim of the study was to establish an international multicenter registry to collect data on patients with Multisystem Inflammatory Syndrome in Children (MIS-C), in order to highlight a relationship between clinical presentation, age of onset and geographical distribution on the clinical outcome. Study design: Multicenter retrospective study involving different international societies for rare immunological disorders.1009 patients diagnosed with MIS-C between March and September 2022, from 48 centers and 22 countries were collected. Five age groups (16 years) and four geographic macro-areas, Western Europe, Central-Eastern Europe, Latin America, Asian-African resource-limited countries (LRC), were identified. Results: Time to referral was significantly higher in LRC. Intensive anti-inflammatory treatment, including biologics, respiratory support and mechanic ventilation were more frequently used in older children and in European countries. The mortality rate was higher in very young children (16 years of age) and in LRC. Multivariate analysis identified the residence in LRC, presence of severe cardiac involvement, renal hypertension, lymphopenia and non-use of heparin prophylaxis, as the factors most strongly associated with unfavorable outcomes. Conclusions: The stratification of patients by age and geographic macro-area provided insights into the clinical presentation, treatment and outcome of MIS-C. The mortality and sequelae rates exhibited a correlation with the age and geographical areas. Patients admitted and treated in LRC displayed more severe outcomes, possibly due to delays in hospital admission and limited access to biologic drugs and to intensive care facilities.
Caorsi, R., Consolaro, A., Speziani, C., Sozeri, B., Ulu, K., Faugier-Fuentes, E., Menchaca-Aguayo, H., Ozen, S., Sener, S., Akhter Rahman, S., Imnul Islam, M., Haerynck, F., Simonini, G., Mastri, M., Avcin, T., Sršen, S., De Albuquerque Pedrosa Fernandes, T., Stanevicha, V., Vojinovic, J., Sobh, A., Fingerhutova, S., Minxova, L., Gagro, A., Rodrigues Fonseca, A., Pandya, D., Varbanova, B., Sánchez-Manubens, J., Ganeva, M., Montin, D., Boyarchuk, O., Minghini, A., Bracaglia, C., Brogan, P., Candotti, F., Cattalini, M., Meyts, I., Minoia, F., Taddio, A., Wouters, C., De Benedetti, F., Bovis, F., Ravelli, A., Ruperto, N., Gattorno, M. &., Hyperped-Covid Study, G., Bilginer, Y., Laila, K., Islam, M., Meertens, B., Hoste, L., Dehoorne, J., Schelstraete, P., Vandekerckhove, K., Willems, J., Matthijs, I., Filocamo, E., Beretta, G., Magalhaes, C., Chubata, O., Ricci, F., Vukovic, A., Temelkova, K., Avramovic, M., Emersic, N., Bizjak, M., Vesel, T., Rodrigues, M., Gasparello De Almeida, R., Lukjanovica, K., Elnagdy, M., Soliman, A., Terifajova, E., Brejchova, I., Magner, M., Myrup, C., Vougiouka, O., Jelusic, M., La Torre, F., Rigante, D., Maggio, M., Verdoni, L., Rubio-Perez, N., Vega Cornejo, G., Villareal Trevino, A., Brito, I., Oliveira-Ramos, F., Alexeeva, E., Chasnyk, V., Arkachaisri, T., Boyko, Y., Vyznga, Y., Samsonenko, S., The HyperPed-COVID international registry: Impact of age of onset, disease presentation and geographical distribution on the final outcome of MIS-C, <<JOURNAL OF AUTOIMMUNITY>>, 2024; 2024 (147: 103265): 1-10. [doi:10.1016/j.jaut.2024.103265] [https://hdl.handle.net/10807/281116]
The HyperPed-COVID international registry: Impact of age of onset, disease presentation and geographical distribution on the final outcome of MIS-C
La Torre, F;
2024
Abstract
Objectives: The aim of the study was to establish an international multicenter registry to collect data on patients with Multisystem Inflammatory Syndrome in Children (MIS-C), in order to highlight a relationship between clinical presentation, age of onset and geographical distribution on the clinical outcome. Study design: Multicenter retrospective study involving different international societies for rare immunological disorders.1009 patients diagnosed with MIS-C between March and September 2022, from 48 centers and 22 countries were collected. Five age groups (16 years) and four geographic macro-areas, Western Europe, Central-Eastern Europe, Latin America, Asian-African resource-limited countries (LRC), were identified. Results: Time to referral was significantly higher in LRC. Intensive anti-inflammatory treatment, including biologics, respiratory support and mechanic ventilation were more frequently used in older children and in European countries. The mortality rate was higher in very young children (16 years of age) and in LRC. Multivariate analysis identified the residence in LRC, presence of severe cardiac involvement, renal hypertension, lymphopenia and non-use of heparin prophylaxis, as the factors most strongly associated with unfavorable outcomes. Conclusions: The stratification of patients by age and geographic macro-area provided insights into the clinical presentation, treatment and outcome of MIS-C. The mortality and sequelae rates exhibited a correlation with the age and geographical areas. Patients admitted and treated in LRC displayed more severe outcomes, possibly due to delays in hospital admission and limited access to biologic drugs and to intensive care facilities.
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