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1.
Yakut Medical Journal ; - (3):56-59, 2022.
Article in English | Web of Science | ID: covidwho-2238859

ABSTRACT

Gastrointestinal tract damage is a part of the course of multisystem inflammatory syndrome in children (MVS-D) associated with the new COVID-19 coronavirus infection. According to the results of a retrospective study, gastrointestinal tract damage was detected in 77% of patients with MVS-D and is represented by signs such as abdominal pain, vomiting, diarrhea and peritoneal symptoms. In children with gastrointestinal tract lesions, significant differences were noted in the frequency of occurrence of the following signs: hepatomegaly, splenomegaly, hypotension/shock, as well as conjunctivitis and facial swelling. Among laboratory abnormalities, hypoalbuminemia is more characteristic, but the level of CRP and troponin is higher. The article shows that gastrointestinal tract damage is an important early predictor of the severity of MVS-D.

2.
International Journal of Rheumatic Diseases ; 26(Supplement 1):189-190, 2023.
Article in English | EMBASE | ID: covidwho-2228058

ABSTRACT

Background: COVID-19 is still changing problem for pediatric rheumatologist, not only related with multisystem inflammatory syndrome. SARS-CoV- 2 can damage blood vessel endothelium through direct invasion, immune system dysregulation (hyperproduction of pro-inflammatory cytokines, interferonopathy) and hypercoagulation, and in this way triggers vasculitis. There are some data in the literature about skin vasculitis, central nervous system vasculopathy, associated with COVID-19 in children, but data are scarce. The aim of our study was to describe the cases, associated with COVID-19 in children. Method(s): in the retrospective-prospective case series study we included information about five children with COVID-19 associated vasculitis. In every case we have morphological description and the etiology was confirmed by RT-PCR in tissue biopsy. Result(s): The patients' demography, type of SARS-CoV- 2 identification, disease characteristics are in the tables 1-2. All patients required systemic corticosteroids and immunosuppression to control inflammation and recovering tissue damage.

3.
International Journal of Rheumatic Diseases ; 26(Supplement 1):192-193, 2023.
Article in English | EMBASE | ID: covidwho-2227752

ABSTRACT

Background/Purpose: Multisystem inflammatory syndrome in children (MIS-C), associated with COVID-19 infection is a life-threatening condition, required intensive care. The aim of this study was to determine risk factors for severe/life-threatening course of MIS-C. Method(s): The retrospective study included 166 children (99 male, 67 female), aged from 4 months to 17 years (median 8.2 years), who met the WHO criteria for MIS-C. The criterion of severity was the fact of the ICU admission. The analysis of the obtained data was performed using the STATISTICA software package, version 10.0 (StatSoft Inc., USA). Result(s): To assess the factors associated with the severe course of MIS-C, patients were divided into two groups: those who were hospitalized in the ICU (n = 84;50.6%), and those who did not (n = 82;49.4%). Patients with a more severe course of MIS-C were significantly older. They had a high frequency of signs such as rash, edema, hepatomegaly, splenomegaly, neurological and respiratory symptoms. Hypotension/shock and myocardial damage were much more common in patients hospitalized in the ICU. Among the laboratory changes there were significant differences in the levels of hemoglobin, leukocytes and platelets, CRP, creatinine, troponin and D-dimer. The presence of macrophage activation syndrome was higher in patients, admitted in the ICU. Children, required intensive care required high dose corticosteroids and IVIG more often (table 1). FIGURE: 1) The first symptoms of progeria in infancy: scleroderma-like changes in the skin of the lower extremities and stiffness of knee joints at the age of 2 months. 2) Girl at the age of 3 years 5 months. Almost total alopecia with the absence of eyebrows and eyelashes. Pronounced venous pattern in the forehead, nasal bridge and nasolabial triangle. Conclusion(s): MIS-C is potentially a severe life-threatening condition, in which more than half (50.6%) of patients needed the ICU admission. The main factors determining the severity of MIS-C were: cardiovascular, resiratory and central nervous system disorders. It has been found that factors such as hepatomegaly, splenomegaly, D-dimer >2568 ng/ml, troponin >10 pg/ml, make it possible to identify a group of patients with high risk of severe MIS-C who may potentially need hospitalization in the ICU.

4.
International Journal of Rheumatic Diseases ; 26(Supplement 1):41.0, 2023.
Article in English | EMBASE | ID: covidwho-2232069

ABSTRACT

Background/Purpose: Multisystem inflammatory syndrome associated with COVID-19 in children (MIS-C) is a rare but severe disease associated with coronavirus infection, in which various systems and organs are affected, including the heart, lungs, kidneys, brain, skin, eyes and gastrointestinal tract. One of the most severe features of this disease can be hemophagocytosis. The aim of this study is to assess the features of hemophagocytosis in MIS-C. Method(s): The retrospective study included 166 children (99 male, 67 female), aged from 4 months to 17 years (median 8.2 years), who met the WHO criteria for MIS-C. The analysis of the obtained data was performed using the STATISTICA software package, version 10.0 (StatSoft Inc., USA). Result(s): To study the signs of hemophagocytosis in patients with MIS-C they were divided into 2 equal groups: with HScore<=91 (n = 79) and with a HScore value >91 (n = 79). This division was done, since this value was associated with the severe life-threatening course of MIS-C and need in ICU admission (70.9% vs. 32.3%, P = 0.000002). Patients with HScore > 91 were more likely to have symptoms such as cervical lymphadenopathy (80.6% vs 54.1%, P = 0.0007), red dry cracked lips (63% vs 34.3%, P = 0.0007), face swelling (66.7% vs 34.7%, P = 0.001), hepatomegaly (84.2% vs 43.1%, P = 0.000000), splenomegaly (54.7% vs 43.1%, P = 0.0003), hypotension/shock (63.3% vs 25.3%, P = 0.000002), had higher levels of ESR (47 mm/h vs 34 mm/h, P = 0.0001), CRP (175.5 mg/L vs 125.8 mg/L, P = 0.01), D-dimer (2135 ng/mL vs. 1079 ng/mL, P = 0.0003), but lower levels of fibrinogen (3.1 g/L vs 5.6 g/L, P = 0.000002) erythrocytes (3.6 x 1012/L vs 4.0 x 1012/L, P = 0.000005), hemoglobin (98 g/L vs 112 g/L, P = 0.000000), and a tendency to thrombocytopenia (110 x 109/l vs 192 x 109/L, P = 0.0002) in 63.3% of patients. According to EchoCG data, signs of myocardial (45.5% vs 15.6%, P = 0.00006) and pericardial (45.5% vs 14.3%, P = 0.00002) lesions were more common in patients with HScore > 91. Patients with HScore > 91 more often needed treatment with IVIG (66.2% vs 24%, P = 0.000000), acetylsalicylic acid (65.7% vs. 47.1%, P = 0.027) and biological drugs (9.1% vs. 1.6%, P = 0.061). The average duration of hospitalization was also much longer in patients with HScore > 91 (23 days vs 14 days, P = 0.000000). Also, the identification of clinical and laboratory signs that were more common in the group of patients with HScore > 91 was performed using sensitivity and specificity analysis, and calculation of odds ratio. Results are presented in Table 1. Conclusion(s): Hemophagocytic syndrome is one of the most severe manifestations of MIS-C occuring in 35.4% of patients. It was found that HScore > 91 is associated with such a severe signs of MIS-C as myocarditis, pericarditis, hypotension/shock, and ICU admission. HScore is a simple tool that can also be used to assess the severity of MIS-C and dynamic monitoring.

5.
Pediatric Rheumatology ; 19(SUPPL 1), 2021.
Article in English | EMBASE | ID: covidwho-1571765

ABSTRACT

Introduction: COVID-19 in children is often asymptomatic or with only mild symptoms. However, since April 2020 there are many reports that the new coronavirus infection might be associated with pediatric hyperinflammatory condition, that fully or partially meets the criteria for Kawasaki disease (KD). This phenomenon was later called multisystem inflammatory syndrome in children (MIS-C) or pediatric inflammatory multisystem syndrome temporarily associated with SARS-CoV-2 (PIMS-TS). Objectives: Our study aimed to evaluate main clinical and laboratorial features and course of MIS-C and compare it with Kawasaki disease in children. Methods: The retrospective study included 50 children (34 male, 16 female), aged from 7 months to 16 years 9 months (median 8.8 years), who met the WHO criteria for MIS-C and 60 patients (34 male, 26 female, aged from 3 months to 6 years (median 2 years) with Kawasaki disease. Results: Prior COVID-19 infection in MIS-C group was confirmed by positive SARS-CoV2 test using RT-PCR (n=11) or IgM (n=21), IgG (n= 38) and/or close contact with a person with confirmed COVID-19 (n= 21) clinical features of previous COVID-19 infection were noted in 22 patients. Clinical sings of MIS-C included fever (100%), gastrointestinal disorders (81.6%), rash (90%), conjunctivitis (93.6%), sore throat (68.1%) cheilitis (54.6%), cervical lymphadenopathy (68.2%), hands and feet erythema/oedema (69.8%), hepathomegaly (64.6%). In the majority of patients elevated levels of inflammatory biomarkers, D-dimer, troponin, ferritin were found. Most of patients had a tendency to anemia (median hemoglobin 105 g/l). Platelet levels varied greatly (8-919∗109/l), 37.5% of patients had thrombocytopenia. Carditis and coronary artery dilatation were found in 48.9% and 22.7%, respectively. Arterial hypotension/shock was in 52.5%. Heart MRI showed signs of myocarditis (n=5): T1 prolongation (n=2);signs of myocardial edema, pericarditis, severe arrhythmia, and a tendency to diastolic overload (n=1), but no signs of ischemic or non-ischemic myocardial damage, and the global systolic function stayed normal. Patients were treated with high-dose glucocorticoids (93.6%), low-weighted heparin (100%), low dose of aspirin (64.4%), intravenous immunoglobulin (37.8%);Tocilizumab was used in three patients (6%). The median duration of hospitalization was 22 days, and 65.9% of patients required an ICU admission. Some of the most informative indicators for the differential diagnosis of MIS-C and KD are shown in the table. Conclusion: MIS-C is severe life-threatening condition in children, which pathogenesis and relation to COVID-19 requires further research. There are differences in the frequency of some signs that possibly can be used as a basis for differential diagnosis of the studied conditions.

6.
Pediatriya - Zhurnal im G.N. Speranskogo ; 100(5):35-45, 2021.
Article in Russian | Scopus | ID: covidwho-1485680

ABSTRACT

Multisystem inflammatory syndrome in children and adolescents associated with SARS-CoV-2 (MBS-D) is a new challenge for pediatricians around the world. Scientific data is updated daily and patient treatment regimens are developed. The involvement of the heart in the inflammatory process complicates the course of the disease and further rehabilitation of patients. The article describes 12 patients with heart disease in the structure of MVS-D, who underwent laboratory tests and instrumental studies, including MRI of the heart, and also provides detailed descriptions of three clinical cases and a review of literature data. © 2021, Pediatria Ltd.. All rights reserved.

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