Objectives Thyroid storm (TS) is an uncommon but severe manifestation of hyperthyroidism and an endocrine emergency, as it is fatal if it goes unrecognized. In pediatrics, the current literature is limited to case reports and case series. Current knowledge is extrapolated from adult data. This systematic review aims to present the epidemiology, most common etiologies, clinical presentation, and most accepted standard of care of TS in children. We aim to raise awareness of hyperthyroidism in the pediatric community. Content The databases used were PubMed, google scholar, and LILACS, with the search terms “thyroid storm” AND “pediatrics”. Studies included case reports and case series in English and Spanish from patients between the ages of 0–21 years with clinical features consistent with a diagnosis of TS based on ATA 2016, with or without reported scale scores, published between 2000 and 2022. Variables such as ethnicity, etiology, possible triggers, clinical features, and management components were analyzed and presented. Summary We analyzed data from 45 patients. Their mean age was 11.25 years. The majority of them were from Asia (26%). The most common clinical features were sinus tachycardia (86.7%) and fever (64%), followed by altered mental status (46%) and diarrhea (31%). Graves’ disease was the most common underlying condition, and infection the most common precipitant. Thirty one percent of patients received treatment with four components; however morbidity and mortality were not clinically significant with those who did not. TS has a heterogeneous presentation with multisystemic involvement. The most common symptoms in this review were fever, tachycardia, diarrhea, and altered mental status. Outlook Further studies may be needed to best standardize the diagnosis and management of TS in children. Qualitative studies are needed to best assess the delay in diagnosis of hyperthyroidism and how this may impact prognosis in case patients were to develop TS.

Background: Immunoglobulin A vasculitis is the most common form of vasculitis in children. The diagnosis is made clinically and patients will present with a rash, together with gastrointestinal, musculoskeletal, and renal system involvement. Progress in the classification of the systemic vasculitides has facilitated better understanding of the pathogenesis underlying these inflammatory conditions. Over the past year, several cases of IgA vasculitis have been reported in both children and adults in association with SARS-CoV2 infection, raising the question of whether there is any causal or even a synergistic association.Methods: This systematic review was performed following the guidelines of Meta-analysis of Observational Studies in Epidemiology. A literature search was conducted using MEDLINE, SciELO and Google Scholar using the search terms “COVID-19” or “SARS-CoV-2" in combination with “IgA vasculitis”, or “Henoch-Schonlein Purpura”. We considered articles to be eligible for inclusion if they reported a case report or series of cases of IgA vasculitis associated with proven COVID-19 infection. We excluded cases from further review if the case reported was a patient older than 18 years. WHO causality assessment categories were used to standardize case causality. Results: After reviewing the complete article and applying our exclusion criteria, 12 articles describing 12 cases of COVID-19 associated IgA vasculitis in children were included. In 83% of the cases the diagnosis of COVID-19 was made on presentation of IgA vasculitis symptoms or on presentation to seek medical care. In 17% of cases the SARS Cov-2 test was positive before IgA vasculitis symptoms presentation. The mean age of the patients was 7.3 years of age (SD ±4.8). Male to female ratio was 3:1. Out of the 12 patients, 6 presented 2/4 criteria for IgA vasculitis and 6 presented 3/4 criteria. None presented 4/4 criteria.Conclusions: During the pandemic, several autoimmune phenomena have been described to co-occur with or following COVID-19. The exact role of COVID-19 in the development of these IgA-related diseases is still being explored. Our review of case series and case reports with standardized causality assessment identified 12 cases of IgA vasculitis associated with and/or in the context of COVID-19 infection in children.

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Background: Immunoglobulin A vasculitis is the most common form of vasculitis in children. The diagnosis is made clinically and patients will present with a rash, together with gastrointestinal, musculoskeletal, and renal system involvement. Progress in the classification of the systemic vasculitides has facilitated better understanding of the pathogenesis underlying these inflammatory conditions. Over the past year, several cases of IgA vasculitis have been reported in both children and adults in association with SARS-CoV2 infection, raising the question of whether there is any causal or even a synergistic association.Methods: This systematic review was performed following the guidelines of Meta-analysis of Observational Studies in Epidemiology. A literature search was conducted using MEDLINE, SciELO and Google Scholar using the search terms “COVID-19” or “SARS-CoV-2" in combination with “IgA vasculitis”, or “Henoch-Schonlein Purpura”. We considered articles to be eligible for inclusion if they reported a case report or series of cases of IgA vasculitis associated with proven COVID-19 infection. We excluded cases from further review if the case reported was a patient older than 18 years. WHO causality assessment categories were used to standardize case causality. Results: After reviewing the complete article and applying our exclusion criteria, 12 articles describing 12 cases of COVID-19 associated IgA vasculitis in children were included. In 83% of the cases the diagnosis of COVID-19 was made on presentation of IgA symptoms or on presentation to seek medical care. In 17% of cases the SARS Cov-2 test was positive before IgA vasculitis symptoms presentation. The mean age of the patients was 7.3 years of age (SD ±4.8). Male to female ratio was 3:1. Lower extremity purpura was present in all 12 patients. Gastrointestinal manifestations were present in 7 patients. Oligoarthritis was present in 7 patients. Three patients presented renal involvement with hematuria/proteinuria. Conclusions: During the pandemic, several autoimmune phenomena have been described to co-occur with or following COVID-19. The exact role of COVID-19 in the development of these IgA-related diseases is still being explored. Our review of case series and case reports with standardized causality assessment identified 12 cases of IgA vasculitis associated with COVID-19 infection in children.