The occurrence of infection-related systemic diseases in Korean children and adolescents has decreased after the spread of the COVID-19 pandemic: a multicenter retrospective study

Hong, Suk Jin; Kang, Ben; Hwang, Jun Hyun; Kim, Yu Bin; Lee, Yoo Min; Jang, Hyo-Jeong; Lee, Kyung Jae; Kim, Soon Chul; Kang, Yunkoo; Kim, Hyun Jin; Kim, Ju Young; Choi, You Jin; Lee, Eun Hye; Choi, So Yoon; Lee, Eunjoo; Choe, Byung-Ho; Chae, Soo Ahn; Choi, Sujin; Suh, Won Suk; Song, Jeonglyn; Yi, Dae Yong

doi:10.21037/tp-21-315

Cited by 4 publications

(10 citation statements)

References 26 publications

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“…The decrease in KD incidence, which is parallel to the transition of infectious diseases after the COVID‐19 pandemic, strongly indicates the involvement of infections in KD development. Previous reports also showed a reduction in KD cases after the COVID‐19 pandemic 10,11 . Similar to our study, Yang and Kuo reported that the ratio of incomplete KD or responsiveness to treatment did not differ before and after the COVID‐19 pandemic 11 .…”

Section: Figuresupporting

confidence: 90%

“…Interestingly, a reduction in IgAV cases after the COVID‐19 pandemic was marginal in our study. Korean and Turkish reports found a more significant reduction of IgAV incidence after the COVID‐19 pandemic 10,13 . One of the reasons may be an epidemiological difference based on culture, environment, or ethnicity.…”

Section: Figurementioning

confidence: 97%

“…The decrease in KD incidence, which is parallel to the transition of infectious diseases after the COVID-19 pandemic, strongly indicates the involvement of infec-tionsinKDdevelopment.Previousreportsalsoshowedareduction inKDcasesaftertheCOVID-19pandemic. 10,11 pandemic. 10,13 One of the reasons may be an epidemiological differencebasedonculture,environment,orethnicity.Thenumberof IgAV cases was five to seven times that of KD cases in a Turkish report 13 comparedwithone-sixthinourcohort.Second,isadiffer-enceinthesusceptibilityageforIgAVandKD.Theaverageagesof IgAVandKDonsetinourcohortwere5and2 years,respectively.…”

Section: As Shown Inmentioning

confidence: 99%

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COVID‐19 pandemic‐altered epidemiology of pediatric infectious diseases and vasculitis: A single‐center observational study

et al. 2023

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Section: Figuresupporting

confidence: 90%

Section: Figurementioning

confidence: 97%

Section: As Shown Inmentioning

confidence: 99%

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COVID‐19 pandemic‐altered epidemiology of pediatric infectious diseases and vasculitis: A single‐center observational study

et al. 2023

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“…Although a statically significant increase was not identified compared to the pre-COVID-19 era, the highest annual incidences for pediatric IBD, CD and UC in this study were all observed in the post-COVID-19 era of 2020. Although there have been studies investigating the changes incidence of other diseases or health conditions (9)(10)(11)(12), no study in Asia has yet investigated the change of incidence in pediatric IBD patients after the COVID-19 pandemic. This study is the first in Asia to investigate the incidence in the pediatric population of IBD after the COVID-19 pandemic.…”

Section: Discussionmentioning

confidence: 99%

“…Various changes have occurred in the incidence trends of pediatric diseases due to the recent coronavirus infectious disease 2019 (COVID- 19) pandemic. The increase of childhood obesity and decrease of infection-related systemic diseases is associated with compliance with the quarantine rules and changes in living patterns including increased activities at home (9)(10)(11)(12).…”

Section: Introductionmentioning

confidence: 99%

Incidence and Prevalence Trends of Pediatric Inflammatory Bowel Disease in the Daegu-Kyungpook Province From 2017 to 2020

Choe

Choi

Song³

et al. 2022

Front. Pediatr.

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Background and Aim: There is paucity of data regarding the epidemiology of pediatric IBD in Asia compared to that of Western countries. We aimed to investigate the incidence and prevalence trends of pediatric inflammatory bowel disease (IBD) in the Daegu-Kyungpook province of South Korea from 2017 to 2020.Methods: This study was a multicenter, retrospective study conducted in eight IBD referral centers located in the Daegu-Kyungpook province. Children and adolescents of ≤18 years who were initially diagnosed with IBD between 2017 and 2020 were included. The annual number of children and adolescents newly diagnosed with IBD and the annual resident population of children and adolescents ≤18 years of age in the Daegu-Kyungpook province were investigated to calculate the annual incidence and prevalence in the region.Results: A total 304 children and adolescents that had been diagnosed with IBD were included in this study. Among these patients, 71.4% had been diagnosed with Crohn's disease (CD), and 28.6% with ulcerative colitis (UC). The population based annual incidences of IBD from 2017 to 2020 were each 7.24, 6.82, 10.27, and 13.33 per 100,000, respectively (P for trend <0.001), 4.48, 5.26, 7.39, and 9.8 per 100,000, respectively, for CD (P for trend <0.001), and 2.76, 1.56, 2.88, and 3.53 per 100,000, respectively, for UC (P for trend = 0.174).Conclusion: Pediatric IBD, especially CD has significantly increased recently in the Daegu-Kyungpook province. Epidemiology studies from other regions of Asia are required to better elucidate this trend of increase in Asia.

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Immunoglobulin A vasculitis: The clinical features and pathophysiology

Hu,

Yang,

Chiang

2024

The Kaohsiung J of Med Scie

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Palpable purpura, gastrointestinal symptoms, joint involvement, and renal disease characterize immunoglobulin A vasculitis (IgAV). Renal involvement ranging from mild proteinuria to severe nephritic or nephrotic syndrome highlights the importance of monitoring kidney function in patients with IgAV. Recognizing these key features is crucial for early diagnosis and appropriate management to prevent long‐term complications related to kidney disease. However, the pathogenesis of IgAV remains unclear. Disease mechanisms involve various factors, including the interplay of aberrantly glycosylated IgA, anti‐endothelial cell antibodies, and neutrophils following infection triggers, which are the main pathogenic mechanisms of IgAV. Insights from cases of IgAV related to Coronavirus disease 2019 have offered additional understanding of the connection between infection and IgAV pathogenesis. This review provides a valuable resource for healthcare professionals and rheumatology researchers seeking a better understanding of the clinical features and pathophysiology of IgAV.

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The occurrence of infection-related systemic diseases in Korean children and adolescents has decreased after the spread of the COVID-19 pandemic: a multicenter retrospective study

Cited by 4 publications

References 26 publications

COVID‐19 pandemic‐altered epidemiology of pediatric infectious diseases and vasculitis: A single‐center observational study

COVID‐19 pandemic‐altered epidemiology of pediatric infectious diseases and vasculitis: A single‐center observational study

Incidence and Prevalence Trends of Pediatric Inflammatory Bowel Disease in the Daegu-Kyungpook Province From 2017 to 2020

Immunoglobulin A vasculitis: The clinical features and pathophysiology

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