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Stasiak A, Kędziora P, Smolewska E. Complications of Multisystem Inflammatory Syndrome Associated with SARS-CoV-2 Infection-Many Facets of One Disease-A Literature Review Based on a Case Report. J Clin Med 2024; 13:4146. [PMID: 39064185 DOI: 10.3390/jcm13144146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 07/10/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Multisystem inflammatory syndrome in children (MIS-C) is a disease that made its mark in the early days of the COVID-19 pandemic due to the diverse course and symptoms affecting multiple body systems. It is a condition that develops in pediatric patients about 2-6 weeks after contact with a person infected with the SARS-CoV-2 virus. In many instances, MIS-C has caused multiple organ failure, with particularly severe complications involving the cardiovascular system and manifesting as hypotension, various cardiac arrhythmias, myocarditis or coronary artery lesions resembling those seen in Kawasaki disease. Currently, the incidence of MIS-C is about 1-3 per 1000 children, with a decreasing trend in recent years due to the introduction of immunization against the SARS-CoV-2 virus for children as young as 6 months. In our paper, we present the case of a patient with a severe course of MIS-C with numerous cardiovascular and neurological complications, in whom the symptoms of the disease were managed by administering biological treatment. We also present a review of the literature on the subject, which shows how many different facets this disease can have and that physicians still need to remain alert, as there are cases of severe MIS-C, especially in unvaccinated patients.
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Affiliation(s)
- Aleksandra Stasiak
- Department of Pediatric Cardiology and Rheumatology, Medical University of Lodz, Sporna 36/50 Street, 91-738 Lodz, Poland
| | - Piotr Kędziora
- Department of Pediatric Cardiology and Rheumatology, Medical University of Lodz, Sporna 36/50 Street, 91-738 Lodz, Poland
| | - Elżbieta Smolewska
- Department of Pediatric Cardiology and Rheumatology, Medical University of Lodz, Sporna 36/50 Street, 91-738 Lodz, Poland
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Abbas Q, Ali H, Amjad F, Hussain MZH, Rahman AR, Khan MH, Padhani ZA, Abbas F, Imam D, Alikhan Z, Belgaumi SM, Mohsin S, Sattar F, Siddiqui A, Lassi ZS, Das JK. Clinical presentation, diagnosis and management of multisystem inflammatory syndrome in children (MIS-C): a systematic review. BMJ Paediatr Open 2024; 8:e002344. [PMID: 38844384 PMCID: PMC11163633 DOI: 10.1136/bmjpo-2023-002344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 04/16/2024] [Indexed: 06/12/2024] Open
Abstract
BACKGROUND Knowledge about multisystem inflammatory syndrome in children (MIS-C) is evolving, and evidence-based standardised diagnostic and management protocols are lacking. Our review aims to summarise the clinical and diagnostic features, management strategies and outcomes of MIS-C and evaluate the variances in disease parameters and outcomes between high-income countries (HIC) and middle-income countries (MIC). METHODS We searched four databases from December 2019 to March 2023. Observational studies with a sample size of 10 or more patients were included. Mean and prevalence ratios for various variables were pooled by random effects model using R. A mixed generalised linear model was employed to account for the heterogeneity, and publication bias was assessed via funnel and Doi plots. The primary outcome was pooled mean mortality among patients with MIS-C. Subgroup analysis was conducted based on the income status of the country of study. RESULTS A total of 120 studies (20 881 cases) were included in the review. The most common clinical presentations were fever (99%; 95% CI 99.6% to 100%), gastrointestinal symptoms (76.7%; 95% CI 73.1% to 79.9%) and dermatological symptoms (63.3%; 95% CI 58.7% to 67.7%). Laboratory investigations suggested raised inflammatory, coagulation and cardiac markers. The most common management strategies were intravenous immunoglobulins (87.5%; 95% CI 82.9% to 91%) and steroids (74.7%; 95% CI 68.7% to 79.9%). Around 53.1% (95% CI 47.3% to 58.9%) required paediatric intensive care unit admissions, and overall mortality was 3.9% (95% CI 2.7% to 5.6%). Patients in MIC were younger, had a higher frequency of respiratory distress and evidence of cardiac dysfunction, with a longer hospital and intensive care unit stay and had a higher mortality rate than patients in HIC. CONCLUSION MIS-C is a severe multisystem disease with better mortality outcomes in HIC as compared with MIC. The findings emphasise the need for standardised protocols and further research to optimise patient care and address disparities between HIC and MIC. PROSPERO REGISTRATION NUMBER CRD42020195823.
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Affiliation(s)
- Qalab Abbas
- Department of Pediatrics and Child Health, The Aga Khan University, Karachi, Sind, Pakistan
| | - Haider Ali
- Department of Pediatrics and Child Health, The Aga Khan University, Karachi, Sind, Pakistan
| | - Fatima Amjad
- Department of Pediatrics and Child Health, The Aga Khan University, Karachi, Sind, Pakistan
| | | | - Abdu R Rahman
- Department of Biological and Biomedical Sciences, The Aga Khan University, Karachi, Pakistan
| | - Maryam Hameed Khan
- Institute for Global Health and Development, The Aga Khan University, Karachi, Sind, Pakistan
| | - Zahra A Padhani
- School of Public Health, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia
- Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia
| | - Fatima Abbas
- Department of Pediatrics and Child Health, The Aga Khan University, Karachi, Sind, Pakistan
| | - Danyal Imam
- Department of Pediatrics and Child Health, The Aga Khan University, Karachi, Sind, Pakistan
| | - Zuviya Alikhan
- Department of Pediatrics and Child Health, The Aga Khan University, Karachi, Sind, Pakistan
| | - Sameer M Belgaumi
- Department of Pediatrics and Child Health, The Aga Khan University, Karachi, Sind, Pakistan
| | - Shazia Mohsin
- Department of Pediatric cardiology, Division of cardiothoracic sciences, Sindh institute of Urology and Transplantation (SIUT), Karachi, Sind, Pakistan
| | - Faiza Sattar
- Department of Pediatrics and Child Health, The Aga Khan University, Karachi, Sind, Pakistan
| | - Arsalan Siddiqui
- Department of Pediatrics and Child Health, The Aga Khan University, Karachi, Sind, Pakistan
| | - Zohra S Lassi
- School of Public Health, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia
- Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia
| | - Jai K Das
- Department of Pediatrics and Child Health, The Aga Khan University, Karachi, Sind, Pakistan
- Institute for Global Health and Development, The Aga Khan University, Karachi, Sind, Pakistan
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Okarska-Napierała M, Woźniak W, Mańdziuk J, Ludwikowska KM, Feleszko W, Grzybowski J, Panczyk M, Berdej-Szczot E, Zaryczański J, Górnicka B, Szenborn L, Kuchar E. Pathologic Analysis of Twenty-one Appendices From Children With Multisystem Inflammatory Syndrome Compared to Specimens of Acute Appendicitis: A Cross-sectional Study. Pediatr Infect Dis J 2024; 43:525-531. [PMID: 38753993 DOI: 10.1097/inf.0000000000004264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
BACKGROUND Multisystem inflammatory syndrome in children (MIS-C) is a rare, severe complication of coronavirus disease 2019, commonly involving the gastrointestinal tract. Some children with MIS-C undergo appendectomy before the final diagnosis. There are several hypotheses explaining the pathomechanism of MIS-C, including the central role of the viral antigen persistence in the gut, associated with lymphocyte exhaustion. We aimed to examine appendectomy specimens from MIS-C patients and assess their pathologic features, as well as the presence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antigens. METHODS In this cross-sectional study we included 21 children with MIS-C who underwent appendectomy. The control group included 21 sex- and age-matched children with acute appendicitis (AA) unrelated to SARS-CoV-2 infection. Histologic evaluation of appendiceal specimens included hematoxylin and eosin staining and immunohistochemical identification of lymphocyte subpopulations, programmed cell death protein-1 (PD-1) and SARS-CoV-2 nucleocapsid antigen. RESULTS Appendices of MIS-C patients lacked neutrophilic infiltrate of muscularis propria typical for AA (14% vs. 95%, P < 0.001). The proportion of CD20+ to CD5+ cells was higher in patients with MIS-C (P = 0.04), as was the proportion of CD4+ to CD8+ (P < 0.001). We found no proof of SARS-CoV-2 antigen presence, nor lymphocyte exhaustion, in the appendices of MIS-C patients. CONCLUSIONS The appendiceal muscularis of patients with MIS-C lack edema and neutrophilic infiltration typical for AA. SARS-CoV-2 antigens and PD-1 are absent in the appendices of children with MIS-C. These findings argue against the central role of SARS-CoV-2 persistence in the gut and lymphocyte exhaustion as the major triggers of MIS-C.
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Affiliation(s)
- Magdalena Okarska-Napierała
- From the Department of Pediatrics with Clinical Assessment Unit, Medical University of Warsaw, Warsaw, Poland
| | - Weronika Woźniak
- From the Department of Pediatrics with Clinical Assessment Unit, Medical University of Warsaw, Warsaw, Poland
| | - Joanna Mańdziuk
- From the Department of Pediatrics with Clinical Assessment Unit, Medical University of Warsaw, Warsaw, Poland
| | | | | | | | - Mariusz Panczyk
- Department of Education and Research in Health Sciences, Faculty of Health Sciences, Medical University of Warsaw, Warsaw, Poland
| | - Elżbieta Berdej-Szczot
- Department of Paediatrics and Paediatric Endocrinology, Upper-Silesian Paediatric Health Center School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - Janusz Zaryczański
- Department of Pediatrics, University Clinical Hospital in Opole, Opole, Poland
| | | | - Leszek Szenborn
- Department of Pediatric Infectious Diseases, Wroclaw Medical University, Wrocław, Poland
| | - Ernest Kuchar
- From the Department of Pediatrics with Clinical Assessment Unit, Medical University of Warsaw, Warsaw, Poland
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Tong T, Jin YH, Wang M, Gong FQ. Treatment of multisystem inflammatory syndrome in children. World J Pediatr 2024; 20:325-339. [PMID: 38509432 DOI: 10.1007/s12519-024-00798-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 01/29/2024] [Indexed: 03/22/2024]
Abstract
BACKGROUND Multisystem inflammatory syndrome in children (MIS-C), a relatively uncommon but severe pediatric complication, is associated with coronavirus disease 2019 (COVID-19). A variety of treatment approaches, including intravenous immunoglobulins (IVIGs), glucocorticoids (GCs) and biologic agents, such as anakinra and infliximab, have been described for the management of COVID-19-related MIS-C. Anticoagulant therapy is also important. However, a well-developed treatment system has not been established, and many issues remain controversial. Several recently published articles related to the treatment of MIS-C have been released. Hence, in this review, we identified relevant articles published recently and summarized the treatment of MIS-C more comprehensively and systematically. DATA SOURCES We reviewed the literature on the treatment of MIS-C through 20 September 2023. The PubMed/Medline, Web of Science, EMBASE, and Cochrane Library databases were searched with the combination of the terms "multisystem inflammatory syndrome", "MIS-C", "PIMS-TS", "therapy", "treatment", "drug", "IVIG", "GCs", "intravenous immunoglobulin", "corticosteroids", "biological agent", and "aspirin". RESULTS The severity of MIS-C varies, and different treatment schemes should be used according to the specific condition. Ongoing research and data collection are vital to better understand the pathophysiology and optimal management of MIS-C. CONCLUSIONS MIS-C is a disease involving multiple systems and has great heterogeneity. With the accumulation of additional experience, we have garnered fresh insights into its treatment strategies. However, there remains a critical need for greater standardization in treatment protocols, alongside the pressing necessity for more robust and meticulously conducted studies to deepen our understanding of these protocols. Supplementary file1 (MP4 208044 kb).
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Affiliation(s)
- Tong Tong
- Department of Cardiology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No. 3333 Binsheng Road, Hangzhou, 310052, China
| | - Yi-Hua Jin
- Department of Cardiology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No. 3333 Binsheng Road, Hangzhou, 310052, China
| | - Min Wang
- Department of Cardiology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No. 3333 Binsheng Road, Hangzhou, 310052, China
| | - Fang-Qi Gong
- Department of Cardiology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, No. 3333 Binsheng Road, Hangzhou, 310052, China.
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Ptak K, Olszewska M, Szymońska I, Olchawa-Czech A, Mól N, Rudek-Budzyńska A, Kukla K, Cisowska M, Sabat O, Grzyb A, Kwinta P. Should we be afraid of long-term cardiac consequences in children with multisystem inflammatory syndrome? Experience from subsequent waves of COVID-19. Eur J Pediatr 2024:10.1007/s00431-024-05528-0. [PMID: 38517518 DOI: 10.1007/s00431-024-05528-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 03/12/2024] [Accepted: 03/14/2024] [Indexed: 03/24/2024]
Abstract
The purpose of the study was to assess and compare short- and long-term cardiac complications of the multisystem inflammatory syndrome in children (MIS-C) by predominant severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants throughout the pandemic. The analysis of prospectively collected data comparing cardiac complications of MIS-C during and after hospitalization across the original/alpha, delta, and omicron waves. Cardiac complications were defined as cardiac failure with systolic function impairment or hypotension or abnormalities in echocardiographic findings (decrease in LVEF, FS, valvular insufficiency, pericardial effusion, or coronary artery abnormalities). A total of 120 patients with MIS-C admitted to the Children's Hospital of Krakow between November 1, 2020, and May 5, 2023, were included in the study (74 during original/alpha dominance, 31 delta, and 15 omicron). Patients in the omicron group were found to be younger than those in the alpha and delta groups (37 vs. 75 vs. 80 months, p = 0.03). The frequency of cardiac failure with systolic function impairment or hypotension was diagnosed more frequently in the original/alpha and delta groups than in the omicron group (44.59% vs. 41.94% vs. 13.33%, p = 0.08) also echocardiographic abnormalities changed, with rates of 60.8%, 35.5%, and 13.3% (p < 0.001) accordingly. The multivariable regression revealed an older age (OR = 1.19, 95% CI = 1.07-1.33, p = 0.002) as the only independent factors of cardiac failure with systolic function impairment or hypotension. In all patients, signs of cardiac failure resolved during the hospitalization. Moreover, in 98.3% of patients, all echocardiagraphic abnormalities resolved completely during the observation period. Conclusion: The cardiac complications of MIS-C appeared to advance less severely in younger children during the Omicron outbreak. In long-term observation, symptoms of cardiac failure resolve completely. Similarly, also echocardiographic abnormalities normalize in the vast majority of patients. What is Known: • Knowledge about the long-term cardiac complications of MIS-C is still evolving and uncertain. • The greatest concern of MIS-C is cardiac complications, including cardiac failure and coronary artery dilatation. What is New: • Long-term observations revealed complete resolution of cardiac complications in the vast majority of patients with MIS-C, irrespective of the dominant variant. • Cardiac complications of MIS-C were less common in younger children during subsequent pandemic waves in our patient population.
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Affiliation(s)
- Katarzyna Ptak
- Department of Pediatrics, Jagiellonian University Medical College, Krakow, Poland.
| | - Marta Olszewska
- Department of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Izabela Szymońska
- Department of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Anna Olchawa-Czech
- Department of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | - Nina Mól
- Department of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
| | | | - Kornelia Kukla
- Department of Pediatrics, University Children's Hospital, Krakow, Poland
| | - Marta Cisowska
- Department of Pediatrics, University Children's Hospital, Krakow, Poland
| | - Oliwia Sabat
- Department of Pediatrics, Jagiellonian University Medical College, Students' Scientific Group, Krakow, Poland
| | - Aleksandra Grzyb
- Department of Pediatrics, Jagiellonian University Medical College, Students' Scientific Group, Krakow, Poland
| | - Przemko Kwinta
- Department of Pediatrics, Jagiellonian University Medical College, Krakow, Poland
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Lee J, Kim BJ, Cho KS, Rhim JW, Lee SY, Jeong DC. Similarities and Differences between Multisystem Inflammatory Syndrome in Children (MIS-C) and Kawasaki Disease Shock Syndrome. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1527. [PMID: 37761488 PMCID: PMC10527784 DOI: 10.3390/children10091527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/06/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023]
Abstract
This study aimed to investigate the characteristics of COVID-19-associated multisystem inflammatory syndrome in children (MIS-C) and Kawasaki disease shock syndrome (KDSS) and to compare the similarities and differences between the two diseases. The incidence of KDSS and MIS-C was also estimated. Medical records of patients diagnosed with MIS-C or KDSS at four hospitals from January 2013 to December 2022 were retrospectively reviewed. Thirty-one patients were enrolled in the study in either an MIS-C group (n = 22) or a KDSS group (n = 9). The incidence of KDSS in KD was 0.8% (9/1095) and the incidence of MIS-C versus KD was 10.2% (22/216). Compared with the MIS-C group, the KDSS group had longer hospital stays and more severe systemic inflammation (e.g., anemia, elevated C-reactive protein, hypoalbuminemia, and pyuria) and organ dysfunction (e.g., number of involved organs, shock, vasoactive infusion, and intensive care unit admission). All patients in the MIS-C group, but none in the KDSS group, including two patients during the COVID-19 pandemic, had laboratory evidence of SARS-CoV-2 infection. MIS-C and KDSS shared demographic, clinical, and laboratory characteristics; organ dysfunction; treatment; and outcomes. Overall severity was more severe in patients with KDSS than in those with MIS-C. The most important difference between MIS-C and KDSS was whether SARS-CoV-2 was identified as an infectious trigger.
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Affiliation(s)
- Jin Lee
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.L.); (B.J.K.); (K.-S.C.); (J.W.R.); (D.C.J.)
- Department of Pediatrics, Incheon St. Mary’s Hospital, The Catholic University of Korea, Incheon 21431, Republic of Korea
| | - Beom Joon Kim
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.L.); (B.J.K.); (K.-S.C.); (J.W.R.); (D.C.J.)
- Department of Pediatrics, Eunpyeong St. Mary’s Hospital, The Catholic University of Korea, Seoul 03312, Republic of Korea
| | - Kyoung-Soon Cho
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.L.); (B.J.K.); (K.-S.C.); (J.W.R.); (D.C.J.)
- Department of Pediatrics, Bucheon St. Mary’s Hospital, The Catholic University of Korea, Bucheon 14647, Republic of Korea
| | - Jung Woo Rhim
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.L.); (B.J.K.); (K.-S.C.); (J.W.R.); (D.C.J.)
- Department of Pediatrics, Daejeon St. Mary’s Hospital, The Catholic University of Korea, Daejeon 34943, Republic of Korea
| | - Soo-Young Lee
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.L.); (B.J.K.); (K.-S.C.); (J.W.R.); (D.C.J.)
- Department of Pediatrics, Bucheon St. Mary’s Hospital, The Catholic University of Korea, Bucheon 14647, Republic of Korea
- The Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Dae Chul Jeong
- Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; (J.L.); (B.J.K.); (K.-S.C.); (J.W.R.); (D.C.J.)
- The Vaccine Bio Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
- Department of Pediatrics, Seoul St. Mary’s Hospital, The Catholic University of Korea, Seoul 06591, Republic of Korea
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Ludwikowska KM, Moksud N, Tracewski P, Sokolski M, Szenborn L. Cardiac Involvement in Patients with Multisystem Inflammatory Syndrome in Children (MIS-C) in Poland. Biomedicines 2023; 11:biomedicines11051251. [PMID: 37238922 DOI: 10.3390/biomedicines11051251] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/13/2023] [Accepted: 04/21/2023] [Indexed: 05/28/2023] Open
Abstract
Multisystem inflammatory syndrome in children (MIS-C) is an immune-mediated complication of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Cardiovascular system is commonly involved. Acute heart failure (AHF) is the most severe complication of MIS-C, leading to cardiogenic shock. The aim of the study was to characterise the course of MIS-C with a focus on cardiovascular involvement, based on echocardiographic (echo) evaluation, in 498 children (median age 8.3 years, 63% boys) hospitalised in 50 cities in Poland. Among them, 456 (91.5%) had cardiovascular system involvement: 190 (48.2%) of patients had (most commonly atrioventricular) valvular insufficiency, 155 (41.0%) had contractility abnormalities and 132 (35.6%) had decreased left ventricular ejection fraction (LVEF < 55%). Most of these abnormalities improved within a few days. Analysis of the results obtained from two echo descriptions (a median of 5 days apart) revealed a >10% increase in LVEF even in children with primarily normal LVEF. Lower levels of lymphocytes, platelets and sodium and higher levels of inflammatory markers on admission were significantly more common among older children with contractility dysfunction, while younger children developed coronary artery abnormality (CAA) more often. The incidence of ventricular dysfunction might be underestimated. The majority of children with AHF improved significantly within a few days. CAAs were relatively rare. Children with impaired contractility as well as other cardiac abnormalities differed significantly from children without such conditions. Due to the exploratory nature of this study, these findings should be confirmed in further studies.
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Affiliation(s)
- Kamila M Ludwikowska
- Department of Pediatric Infectious Diseases, Wroclaw Medical University, Ludwika Pasteura 1, 50-367 Wrocław, Poland
| | - Nafeesa Moksud
- Laboratory of Genetics and Epigenetics of Human Diseases, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla 12, 53-114 Wrocław, Poland
| | - Paweł Tracewski
- Department of Pediatric Cardiology, Regional Specialist Hospital in Wroclaw, Research and Development Center, Kamieńskiego 73a, 51-124 Wrocław, Poland
| | - Mateusz Sokolski
- Institute of Heart Diseases, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland
| | - Leszek Szenborn
- Department of Pediatric Infectious Diseases, Wroclaw Medical University, Ludwika Pasteura 1, 50-367 Wrocław, Poland
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Ptak K, Szymońska I, Olchawa-Czech A, Kukla K, Cisowska M, Kwinta P. Comparison of the course of multisystem inflammatory syndrome in children during different pandemic waves. Eur J Pediatr 2023; 182:1647-1656. [PMID: 36719477 PMCID: PMC9887239 DOI: 10.1007/s00431-022-04790-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 12/19/2022] [Accepted: 12/27/2022] [Indexed: 02/01/2023]
Abstract
The purpose of this study is to assess the rate, clinical picture, and management of multisystem inflammatory syndrome in children (MIS-C) during the different COVID-19 variants of concern (VOC) domination periods. This was a retrospective analysis of prospectively collected data. The incidence and clinical picture of MIS-C during the original/Alpha (group 1) and Delta/Omicron (Group 2) variant domination periods were compared. Among 108 eligible patients, 74 (68.5%) were hospitalized during the group 1 domination period, and 34 (31.5%) were hospitalized during the group 2 domination period. The median (Me) patient ages were 76 months (interquartile range [IQR] 35-130) and 73 months (IQR 45-118), and 61% and 65% of patients were male, respectively. There was no significant difference in the presence of positive SARS-CoV 2 antibody test results (IgM or IgG) between the groups (84 vs. 90%; p = 0.54).No differences between groups were observed in fever duration prior to admission (Me [IQR]: 5 days [3-6] vs. 5 days [4-6]; p = 0.26) or the presence of mucocutaneous (95 vs. 100%; p = 0.41), circulatory (70.3 vs. 61.8%; p = 0.86), neurological (6.8 vs. 2.9%; p = 0.662), or gastrointestinal symptoms (84 vs. 79%; p = 0.59). Respiratory symptoms were more common in group 2 (70 vs. 91%; p = 0.015). The need for intensive care unit admission was similar in both groups (16.2 vs. 17.6%, p = 1.0). No deaths occurred in the entire cohort. The studied children were characterized by high C-reactive protein and procalcitonin levels, concentrations of ferritin within normal limits, lymphopenia, moderate hypoalbuminemia, and high B-type natriuretic peptide/brain natriuretic peptide (NT-proBNP) concentrations; however, there were no differences between the groups. Intravenous immunoglobulins were administered as a first-line treatment for almost all patients. There was no significant difference in corticosteroid administration between the groups (87% vs. 74%; p = 0.11); however, the summary dose of methylprednisolone was higher in group 2 (Me [IQR]″ 12.6 mg/kg [10.5-17.8] vs. 16.4 mg/kg [13.3-19.5]; p = 0.03). The median length of stay was 11 days [IQR]: [9-14] and 10 days [8-12], respectively (p = 0.065). CONCLUSION The clinical course of MIS-C is similar in subsequent pandemic waves; however, the incidence of MIS-C seems to be decreasing. WHAT IS KNOWN • The clinical picture of COVID-19 is evolving. Multisystem inflammatory syndrome in children (MIS-C) is a relatively new serious disease connected with SARS-CoV-2 infection, and in subsequent waves of the pandemic, new cases of the disease have been recorded. WHAT IS NEW • The clinical picture of MIS-C is not specific, but the course is still severe. • The incidence of MIS-C during the different pandemic waves is decreasing and the diagnosis in the period of lower prevalance is challenging.
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Affiliation(s)
- Katarzyna Ptak
- Department of Pediatrics, Jagiellonian University Medical College, ul. Wielicka 265, 30-663, Cracow, Poland.
| | - Izabela Szymońska
- Department of Pediatrics, Jagiellonian University Medical College, ul. Wielicka 265, 30-663, Cracow, Poland
| | - Anna Olchawa-Czech
- Department of Pediatrics, Jagiellonian University Medical College, ul. Wielicka 265, 30-663, Cracow, Poland
| | - Kornelia Kukla
- Department of Pediatrics, University Children's Hospital, Cracow, Poland
| | - Marta Cisowska
- Department of Pediatrics, University Children's Hospital, Cracow, Poland
| | - Przemko Kwinta
- Department of Pediatrics, Jagiellonian University Medical College, ul. Wielicka 265, 30-663, Cracow, Poland
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Haslak F, Gunalp A, Kasapcopur O. A cursed goodbye kiss from severe acute respiratory syndrome-coronavirus-2 to its pediatric hosts: multisystem inflammatory syndrome in children. Curr Opin Rheumatol 2023; 35:6-16. [PMID: 36094472 DOI: 10.1097/bor.0000000000000910] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW We aimed to summarize a novel disease called multisystem inflammatory syndrome in children (MIS-C), which develops several weeks after a severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) illness. RECENT FINDINGS Given the rarity of the disease, the question of why a minority of children develop MIS-C is not known. Certain intrinsic susceptibility factors in the host have been described. In addition to hyperinflammation induced by the innate and acquired immune cells, evidence of molecular mimicry was presented for the disease pathogenesis. As there is an increasing number of infected individuals and mass vaccination schedules, concerns regarding the usefulness of the existing diagnostic criteria sets raised. SUMMARY Although children are likely to have a milder COVID-19 course compared with adults, MIS-C as a postinfectious and life-threatening complication was reported in the pediatric age. After 2 years of the disease definition, optimal treatment regimes, effective preventive measures, and long-term outcomes are still debated.
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Affiliation(s)
- Fatih Haslak
- Department of Pediatric Rheumatology, Istanbul University-Cerrahpasa, Cerrahpasa Medical School, Istanbul, Turkey
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10
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Feleszko W, Okarska-Napierała M, Buddingh EP, Bloomfield M, Sediva A, Bautista-Rodriguez C, Brough HA, Eigenmann PA, Eiwegger T, Eljaszewicz A, Eyerich S, Gomez-Casado C, Fraisse A, Janda J, Jiménez-Saiz R, Kallinich T, Krohn IK, Mortz CG, Riggioni C, Sastre J, Sokolowska M, Strzelczyk Z, Untersmayr E, Tramper-Stranders G. Pathogenesis, immunology, and immune-targeted management of the multisystem inflammatory syndrome in children (MIS-C) or pediatric inflammatory multisystem syndrome (PIMS): EAACI Position Paper. Pediatr Allergy Immunol 2023; 34:e13900. [PMID: 36705045 DOI: 10.1111/pai.13900] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 12/05/2022] [Indexed: 01/06/2023]
Abstract
Multisystem inflammatory syndrome in children (MIS-C) is a rare, but severe complication of coronavirus disease 2019 (COVID-19). It develops approximately 4 weeks after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and involves hyperinflammation with multisystem injury, commonly progressing to shock. The exact pathomechanism of MIS-C is not known, but immunological dysregulation leading to cytokine storm plays a central role. In response to the emergence of MIS-C, the European Academy of Allergy and Clinical Immunology (EAACI) established a task force (TF) within the Immunology Section in May 2021. With the use of an online Delphi process, TF formulated clinical statements regarding immunological background of MIS-C, diagnosis, treatment, follow-up, and the role of COVID-19 vaccinations. MIS-C case definition is broad, and diagnosis is made based on clinical presentation. The immunological mechanism leading to MIS-C is unclear and depends on activating multiple pathways leading to hyperinflammation. Current management of MIS-C relies on supportive care in combination with immunosuppressive and/or immunomodulatory agents. The most frequently used agents are systemic steroids and intravenous immunoglobulin. Despite good overall short-term outcome, MIS-C patients should be followed-up at regular intervals after discharge, focusing on cardiac disease, organ damage, and inflammatory activity. COVID-19 vaccination is a safe and effective measure to prevent MIS-C. In anticipation of further research, we propose a convenient and clinically practical algorithm for managing MIS-C developed by the Immunology Section of the EAACI.
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Affiliation(s)
- Wojciech Feleszko
- Department of Pediatric Pneumology and Allergy, The Medical University of Warsaw, Warsaw, Poland
| | | | - Emilie Pauline Buddingh
- Department of Pediatrics, Willem-Alexander Children's Hospital, Leiden University Medical Centre, Leiden, The Netherlands
| | - Marketa Bloomfield
- Department of Immunology, 2nd Faculty of Medicine, Motol University Hospital, Charles University, Prague, Czech Republic.,Department of Pediatrics, 1st Faculty of Medicine, Thomayer University Hospital, Charles University, Prague, Czech Republic
| | - Anna Sediva
- Department of Immunology, 2nd Faculty of Medicine, Motol University Hospital, Charles University, Prague, Czech Republic
| | - Carles Bautista-Rodriguez
- Pediatric Cardiology Services, Royal Brompton Hospital, London, UK.,National Heart and Lung Institute, Imperial College London, London, UK
| | - Helen A Brough
- Paediatric Allergy Group, Department of Women and Children's Health, School of Life Course Sciences, St. Thomas' Hospital, King's College London, London, UK.,Children's Allergy Service, Evelina Children's Hospital, Guy's and St.Thomas' Hospital NHS Foundation Trust, London, UK.,Paediatric Allergy Group, Peter Gorer Department of Immunobiology, School of Immunology and Microbial Sciences, Guys' Hospital, King's College London, London, UK
| | - Philippe A Eigenmann
- Department of Women-Children-Teenagers, University Hospital of Geneva, Geneva, Switzerland
| | - Thomas Eiwegger
- Karl Landsteiner University of Health Sciences, Krems, Austria.,Translational Medicine Program, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada.,Department of Immunology, University of Toronto, Toronto, Ontario, Canada.,Department of Pediatric and Adolescent Medicine, University Hospital St. Pölten, St. Pölten, Austria
| | - Andrzej Eljaszewicz
- Department of Regenerative Medicine and Immune Regulation, Medical University of Bialystok, Bialystok, Poland
| | - Stefanie Eyerich
- Center for Allergy and Environment (ZAUM), Technical University and Helmholtz Center Munich, Munich, Germany
| | - Cristina Gomez-Casado
- Department of Dermatology, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Alain Fraisse
- Pediatric Cardiology Services, Royal Brompton Hospital, London, UK.,National Heart and Lung Institute, Imperial College London, London, UK
| | - Jozef Janda
- Faculty of Science, Charles University, Prague, Czech Republic
| | - Rodrigo Jiménez-Saiz
- Department of Immunology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid, Spain.,Department of Immunology and Oncology, Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain.,Faculty of Experimental Sciences, Universidad Francisco de Vitoria (UFV), Madrid, Spain.,Department of Medicine, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
| | - Tilmann Kallinich
- Pediatric Pneumology, Immunology and Critical Care Medicine, Charité - Universitätsmedizin Berlin and Deutsches Rheuma-Forschungszentrum (DRFZ), an Institute of the Leibniz Association, Berlin, Germany
| | - Inge Kortekaas Krohn
- SKIN Research Group, Vrije Univeristeit Brussel (VUB), Brussels, Belgium.,Department of Dermatology, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium
| | - Charlotte G Mortz
- Department of Dermatology and Allergy Center, Odense Research Center for Anaphylaxis (ORCA), Odense University Hospital, Odense, Denmark
| | - Carmen Riggioni
- Allergy, Immunology and Rheumatology Division, Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Joaquin Sastre
- Fundacion Jimenez Diaz and CIBER de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Milena Sokolowska
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland.,Christine Kühne - Center for Allergy Research and Education (CK-CARE), Davos, Switzerland
| | - Ziemowit Strzelczyk
- Department of Pediatric Pneumology and Allergy, The Medical University of Warsaw, Warsaw, Poland
| | - Eva Untersmayr
- Institute of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Gerdien Tramper-Stranders
- Department of Paediatric Medicine, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands.,Department of Neonatology, Erasmus MC-Sophia, Rotterdam, The Netherlands
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11
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Arambepola R, Schaber KL, Schluth C, Huang AT, Labrique AB, Mehta SH, Solomon SS, Cummings DAT, Wesolowski A. Fine scale human mobility changes in 26 US cities in 2020 in response to the COVID-19 pandemic were associated with distance and income. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2022:2022.11.04.22281943. [PMID: 36380765 PMCID: PMC9665343 DOI: 10.1101/2022.11.04.22281943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Human mobility patterns changed greatly due to the COVID-19 pandemic. Despite many analyses investigating general mobility trends, there has been less work characterising changes in mobility on a fine spatial scale and developing frameworks to model these changes. We analyse zip code-level mobility data from 26 US cities between February 2 â€" August 31, 2020. We use Bayesian models to characterise the initial decrease in mobility and mobility patterns between June - August at this fine spatial scale. There were similar temporal trends across cities but large variations in the magnitude of mobility reductions. Long-distance routes and higher-income subscribers, but not age, were associated with greater mobility reductions. At the city level, mobility rates around early April, when mobility was lowest, and over summer showed little association with non-pharmaceutical interventions or case rates. Changes in mobility patterns lasted until the end of the study period, despite overall numbers of trips recovering to near baseline levels in many cities.
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Abstract
This review provides updates on coronavirus disease 2019 (COVID-19) in children in Japan by summarizing published data. By the end of March 2022, Japan had experienced 6 waves of COVID-19 outbreaks. Over this time, the clinical features presented among children have changed in the context of the predominant variants. Although the COVID-19 pandemic affected children in terms of medical, physical and psychosocial aspects, the clinical outcomes have been favorable in Japan compared with those in some European countries and the United States, which may be partly due to a lower incidence of multisystem inflammatory syndromes in children and obesity. The COVID-19 vaccine has been available for children; however, the vaccination rate in children 5-11 years of age is lower than that in older children due to the government's lack of an active approach in this specific population. Further action is needed to improve the overall vaccination rates in children.
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13
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Use of broad-spectrum antibiotics in children diagnosed with multisystem inflammatory syndrome temporarily associated with SARS-CoV-2 infection in Poland: the MOIS-CoR study. Int J Infect Dis 2022; 122:703-709. [PMID: 35830922 PMCID: PMC9271354 DOI: 10.1016/j.ijid.2022.07.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/05/2022] [Accepted: 07/05/2022] [Indexed: 01/25/2023] Open
Abstract
OBJECTIVES Multisystem inflammatory syndrome in children (MIS-C) is the result of an immune response triggered by a previous exposure to SARS-CoV-2. The clinical presentation of MIS-C overlaps with other life-threatening bacterial infections, in which antimicrobials are the mainstay therapy. The aim of study was to describe the use of antibiotics in children with MIS-C in Poland. METHODS The analysis of 345 children reported from 42 Polish cities to the national MultiOrgan Inflammatory Syndromes COVID-19 Related Study (MOIS-CoR Study) from June 2020 to April 2021. RESULTS At least one antibiotic was used in 310 (90%) children, mainly third-generation cephalosporin (251/310). Broad-spectrum antibiotics were used in 258 (75%) children and 224 (87%) received this treatment for more than 3 days. Concentrations of serum procalcitonin >2 µg/l and the presence of lower respiratory symptoms were associated with increased odds of receiving any antibiotic. CONCLUSION Although bacterial infections in patients with MIS-C are uncommon, we show that MIS-C poses a challenge to clinicians who are faced with the decision to start, continue, or stop antimicrobial therapy. Antibiotic stewardship in patients with MIS-C should be improved to ensure that likely pathogens are treated and that antimicrobials are stopped when bacterial infections are excluded and the diagnosis of MIS-C is made.
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Rhedin S, Lundholm C, Horne A, Smew AI, Osvald EC, Haddadi A, Alfvén T, Kahn R, Król P, Brew BH, Almqvist C. Risk factors for multisystem inflammatory syndrome in children – A population-based cohort study of over 2 million children. Lancet Reg Health Eur 2022; 19:100443. [PMID: 35945929 PMCID: PMC9353212 DOI: 10.1016/j.lanepe.2022.100443] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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15
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Buda P, Strauss E, Januszkiewicz-Lewandowska D, Czerwinska E, Ludwikowska K, Szenborn L, Gowin E, Okarska-Napierała M, Kuchar E, Ksia Zyk J. Clinical characteristics of children with MIS-C fulfilling classification criteria for macrophage activation syndrome. Front Pediatr 2022; 10:981711. [PMID: 36186637 PMCID: PMC9520614 DOI: 10.3389/fped.2022.981711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 08/17/2022] [Indexed: 12/01/2022] Open
Abstract
BACKGROUND Macrophage activation syndrome (MAS) is a potentially life-threatening complication of various inflammatory disorders, including multisystem inflammatory syndrome in children (MIS-C). MIS-C refractory to treatment should raise suspicion of MAS, which can be fatal if a definitive diagnosis is delayed. Unfortunately, there is a lack of data on MAS in children with MIS-C. OBJECTIVE Our study aims to analyze the risk factors for the development of MAS in MIS-C, its clinical course and response to treatment, and identify predictive factors for pediatric intensive care. MATERIAL AND METHODS We analyzed data from the Polish MIS-C registry of the MultiOrgan Inflammatory Syndromes COVID-19 Related Study. Patients were diagnosed according to the WHO MIS-C definition and treated according to national guidelines (Polish Pediatric Society) based on international consensus. MAS definition was based on 2016 Classification Criteria for Macrophage Activation Syndrome Complicating Systemic Juvenile Idiopathic Arthritis. RESULTS Two-hundred and seventy four children met the study inclusion criteria. Fifty-nine patients fulfilled MAS classification criteria, nine of which required admission to the pediatric intensive care unit (PICU). MIS-C patients with MAS were significantly older than patients without MAS (median 11.2 vs. 8.1 years). Multivariable analysis showed that age, symptoms characteristic of atypical Kawasaki disease, and skin erosions were significant factors associated with MAS in MIS-C patients. Analysis of laboratory parameters showed that on admission, MIS-C patients with MAS had significantly lower median lymphocyte and platelet counts, albumin and sodium levels, and higher median levels of C-reactive protein, procalcitonin, ferritin, D-dimers, triglycerides, serum creatinine, urea, and γ-glutamyl transpeptidase, and neutrophil count. Multivariate analysis showed that higher procalcitonin, ferritin, and fibrinogen levels at admission were predictive of MAS. Only elevated troponin level was a factor indicating a requirement of PICU hospitalization for children with MAS. MIS-C patients fulfilling MAS criteria were treated more often with intravenous immunoglobulins and steroids than children without MAS. Children with MAS more often required mechanical ventilation. None of the patients required biological agents. CONCLUSIONS The clinical course of MAS in MIS-C seems milder, treatment less aggressive, and the prognosis better than expected based on the current knowledge on MAS complicating other rheumatological diseases.
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Affiliation(s)
- Piotr Buda
- Department of Pediatrics, Nutrition and Metabolic Diseases, Children's Memorial Health Institute, Warsaw, Poland
| | - Ewa Strauss
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | | | - Ewa Czerwinska
- Department of Pediatric Infectious Diseases, Wroclaw Medical University, Wroclaw, Poland
| | - Kamila Ludwikowska
- Department of Pediatric Infectious Diseases, Wroclaw Medical University, Wroclaw, Poland
| | - Leszek Szenborn
- Department of Pediatric Infectious Diseases, Wroclaw Medical University, Wroclaw, Poland
| | - Ewelina Gowin
- Health Promotion Department, Poznan University of Medical Sciences, Poznan, Poland
| | | | - Ernest Kuchar
- Department of Pediatrics With Clinical Decisions Unit, Medical University of Warsaw, Warsaw, Poland
| | - Janusz Ksia Zyk
- Department of Pediatrics, Nutrition and Metabolic Diseases, Children's Memorial Health Institute, Warsaw, Poland
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16
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Gawlik AM, Berdej-Szczot E, Chmiel I, Lorek M, Antosz A, Firek-Pędras M, Szydłowski L, Ludwikowska KM, Okarska-Napierała M, Dudek N, Piwoński K, Afelt A, Suski-Grabowski C, Kursa MB, Kuchar E, Szenborn L, Jackowska T, Peregud-Pogorzelski J, Mazur A. A tendency to worse course of multisystem inflammatory syndrome in children with obesity: MultiOrgan Inflammatory Syndromes COVID-19 related study. Front Endocrinol (Lausanne) 2022; 13:934373. [PMID: 36225207 PMCID: PMC9549035 DOI: 10.3389/fendo.2022.934373] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 08/03/2022] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND A new disease entity called multisystem inflammatory syndrome in children (MIS-C) is a rare consequence of COVID-19 infection. The pathophysiology and risk factors of MIS-C are still unclear, and the clinical manifestation ranges from milder forms to cases needing intensive care unit treatment. Based on available data, obesity is linked to pro-inflammatory stimulation. Moreover, several studies showed that obesity could play a role in COVID-19 severity and its comorbidities among the adult and children's populations. This study aimed to investigate the influence of overweightedness/obesity in childhood for the course of MIS-C in Poland. METHODS This study presented data from the national MultiOrgan Inflammatory Syndromes COVID-19 Related Study (MOIS-CoR) collected between 4 March 2020 and 20 February 2021. Of the 371 patients that met the Polish MIS-C criteria, 306 were included for further analysis. RESULTS Children who are obese (OB with body mass index (BMI) ≥95th percentile) and overweight (OV with BMI ≥85th percentile but <95th percentile) (28 and 49 patients, respectively) represented 25.1% (n=77) of all recruited patients. Complete recovery at the time of discharge presented in 93% of normal body weight (NW) participants and 90% of OV children (p>0.05). Among OB children, 76% recovered fully, which differed from the NW group (p=0.01). Calculated odds ratio (OR) of incomplete recovery for OB children was 4.2. Irrespective of body weight, there were no differences (p>0.05) in the length of hospitalization and the duration of symptoms (for OB, 13 and 16.5 days; for OV and NW, 10 and 14 days, respectively), as well as in the frequency of cardiovascular abnormalities, necessity of oxygen therapy (OB, 26.9%; OV, 23.9%; and NW, 20.7%), and intravenous immunoglobulin and glucocorticosteroid (GCS) treatment. CONCLUSION The higher risk of incomplete recovery and observed tendency toward a worsening course of MIS-C in patients with obesity suggest the need for further studies to confirm and understand our findings.
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Affiliation(s)
- Aneta Monika Gawlik
- Department of Pediatrics and Pediatric Endocrinology, Faculty of Medical Sciences, Medical University of Silesia, Katowice, Poland
- Department of Pediatrics and Pediatric Endocrinology, John Paul II Upper Silesian Child Health Centre, Katowice, Poland
- *Correspondence: Aneta Monika Gawlik, ;
| | - Elżbieta Berdej-Szczot
- Department of Pediatrics and Pediatric Endocrinology, John Paul II Upper Silesian Child Health Centre, Katowice, Poland
| | - Iga Chmiel
- Department of Pediatrics and Pediatric Endocrinology, John Paul II Upper Silesian Child Health Centre, Katowice, Poland
| | - Miłosz Lorek
- Department of Pediatrics and Pediatric Endocrinology, Faculty of Medical Sciences, Medical University of Silesia, Katowice, Poland
- Department of Pediatrics and Pediatric Endocrinology, John Paul II Upper Silesian Child Health Centre, Katowice, Poland
| | - Aleksandra Antosz
- Department of Pediatrics and Pediatric Endocrinology, Faculty of Medical Sciences, Medical University of Silesia, Katowice, Poland
- Department of Pediatrics and Pediatric Endocrinology, John Paul II Upper Silesian Child Health Centre, Katowice, Poland
| | - Małgorzata Firek-Pędras
- Department of Pediatrics and Pediatric Endocrinology, John Paul II Upper Silesian Child Health Centre, Katowice, Poland
| | - Lesław Szydłowski
- Department of Pediatric Cardiology, Medical University of Silesia, Katowice, Poland
| | | | | | - Natalia Dudek
- Department of Pediatrics with Clinical Assessment Unit, Medical University of Warsaw, Warsaw, Poland
| | - Krzysztof Piwoński
- Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw, Warsaw, Poland
| | - Aneta Afelt
- Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw, Warsaw, Poland
- Espace-DEV, IRD - Institut de Recherche pour le Développement, Montpellier, France
| | - Catherine Suski-Grabowski
- Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw, Warsaw, Poland
| | - Miron Bartosz Kursa
- Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw, Warsaw, Poland
| | - Ernest Kuchar
- Department of Pediatrics with Clinical Assessment Unit, Medical University of Warsaw, Warsaw, Poland
| | - Leszek Szenborn
- Department of Pediatric Infectious Diseases, Wrocław Medical University, Wrocław, Poland
| | - Teresa Jackowska
- Department of Pediatrics, Medical Center of Postgraduate Education, Warsaw, Poland
| | | | - Artur Mazur
- Department of Pediatrics, Pediatric Endocrinology and Diabetes, Medical College University of Rzeszów, Rzeszów, Poland
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