Journal
HEART & LUNG
Volume 54, Issue -, Pages 7-18Publisher
MOSBY-ELSEVIER
DOI: 10.1016/j.hrtlng.2022.03.007
Keywords
COVID-19; Multisystem inflammatory syndrome; Adult; Steroids
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MIS-A is a newly identified disease, predominantly affecting males with common symptoms of fever and skin rash. Cardiovascular system involvement is frequent, and treatment typically includes steroids and immunoglobulins. The average hospital stay is 11.67 days with a mortality rate of 5.1% during hospitalization.
Background: The exact prevalence of Multisystem Inflammatory Syndrome in Adults (MIS-A) is largely unknown. Vague and multiple definitions and treatment options often add to the confusion on how to label the diagnosis with certainty. Objectives: The objective of the study was to determine the demographic profile, clinical presentation, laboratory findings and outcomes of MIS-A in COVID-19. Methods: A systematic review was conducted after registering with PROSPERO. Multiple databases were systematically searched to encompass studies characterizing MIS-A from 1st January 2020 up to 31st August 2021. The inclusion criteria were- to incorporate all published or in press peer-reviewed articles reporting cases of MIS-A. We accepted the following types of studies: case reports, case-control, case series, cross-sectional studies and letters to the editors that incorporated clinical, laboratory, imaging, as well as the hospital course of MIS-A patients. The exclusion criteria for the review were- articles not in English, only abstracts published, no data on MIS-A and articles which have focus on COVID-19, and not MIS-A. Two independent authors screened the articles, extracted the data, and assessed the risk of bias. Results: A total of 53 articles were included in this review with a sample size of 79 cases. Majority of the patients were males (73.4%) with mean age of 31.67 +/- 10.02 years. Fever (100%) and skin rash (57.8%) were the two most common presenting symptoms. Echocardiographic data was available for 73 patients of whom 41 (73.2%) had reduced left ventricular ejection fraction. Cardiovascular system was most frequently involved (81%) followed by gastrointestinal (73.4%) and mucocutaneous (51.9%) involvement. Anti-inflammatory therapies used in treatment included steroids (60.2%), intravenous immunoglobulin (37.2%) and biologics (10.2%). Mean duration of the hospital stay was 11.67 +/- 8.08 days. Data regarding the outcomes was available for all 79 subjects of whom 4 (5.1%) died during course of hospital stay. Conclusions: Emergence of MIS-A calls for further large-scale studies to establish standard case definitions and definite treatment guidelines. (C) 2022 Elsevier Inc. All rights reserved.
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