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?:abstract
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Objectives: To synthesize the current data on clinico-laboratory features, intensive care needs, treatment, and outcome of Pediatric inflammatory multisystem syndrome temporally associated with SARS-CoV-2 (PIMS-TS) or multisystem inflammatory syndrome in children (MIS-C). Data Sources: Articles published in PubMed, Web of Science, Scopus, Google Scholar, and WHO COVID-19 research database, CDC database, and Cochrane COVID-19 study register between 1st December 2019 to 10th July 2020. Study Selection: Observational studies involving patients [≤]21 years with PIMS-TS or MIS-C, that reported the clinico-laboratory features, intensive care needs, treatment, and outcome. Data Extraction: The search identified 422 citations and finally 18 studies with 833 participants were included and pooled estimate was calculated for parameters of interest utilising random effect model. Data Synthesis: The median age was 9 (8-11) years. Fever, gastrointestinal symptoms, rash, conjunctival injection, and respiratory symptoms were common clinical features. Majority had positive SARS-CoV-2 antibody test and only 1/3rd had RT-PCR positive. The commonest laboratory abnormalities were elevated CRP, D-dimer, procalcitonin, BNP, fibrinogen, ferritin, troponin, and IL-6; and lymphopenia, hypoalbuminemia, and thrombocytopenia. The cardiovascular complications included shock (65%), myocardial dysfunction (61%), myocarditis (65%), and coronary artery abnormalities (39%). Three-fourth children required admission in PICU for mechanical ventilation (25%) and vasoactive drugs (61%). The common treatment provided was IVIG (82%), steroids (54%), antiplatelet drugs (64%), and anticoagulation (51%). The mortality was low (n=13). Conclusion: Fever, gastrointestinal and mucocutaneous symptoms, cardiac dysfunction, shock, and hyperinflammation are common manifestations of PIMS-TS or MIS-C. The short-term outcome is good with supportive intensive care and immunomodulatory treatment.
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