Publications by authors named "Seung-Yun Kim"

Article Synopsis
  • A study investigated the incidence and outcomes of COVID-19 vaccine-related pericarditis (VRP) in a large group of vaccinated Koreans from February to December 2021.
  • Out of over 44 million vaccinated individuals, 179 cases of VRP were confirmed, with a higher incidence in males, those under 40, and recipients of mRNA vaccines.
  • The condition was rare and had good outcomes, with no fatalities, though 5.6% of cases required drainage for significant pericardial effusion, indicating the need for monitoring.
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Article Synopsis
  • As of June 2022, Korea has administered 5 COVID-19 vaccine brands, with a comprehensive safety monitoring system utilizing web reporting and text messages to track adverse events (AEs).
  • A total of 125,107,883 doses were given, resulting in 471,068 reported AEs, with 96.1% classified as nonserious and only 3.9% serious.
  • Specific serious AEs included instances of anaphylaxis, myocarditis, and thrombocytopenia, while younger adults, particularly females, experienced higher rates of AEs, most of which were mild.
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Aims: A comprehensive nationwide study on the incidence and outcomes of COVID-19 vaccination-related myocarditis (VRM) is in need.

Methods And Results: Among 44 276 704 individuals with at least 1 dose of COVID-19 vaccination, the incidence and clinical courses of VRM cases confirmed by the Expert Adjudication Committee of the Korea Disease Control and Prevention Agency were analyzed. COVID-19 VRM was confirmed in 480 cases (1.

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Objectives: Age-specific information regarding myocarditis/pericarditis in adolescents following mRNA-based coronavirus disease 2019 (COVID-19) vaccination in Asia remains insufficient. This study investigated the incidence and clinical characteristics of myocarditis/pericarditis in Republic of Korea adolescents after mRNA-based COVID-19 vaccination.

Methods: This retrospective descriptive study utilized patient data from the Korea Immunization Management System.

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This study investigated income-related health inequality at sub-national level, focusing on mortality inequality among middle-aged and older adults (MOAs). Specifically, we examined income-related mortality inequality and its social factors among MOAs across 25 districts in Seoul using administrative big data from the National Health Insurance Service (NHIS). We obtained access to the NHIS's full-population micro-data on both incomes and demographic variables for the entire residents of Seoul.

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Background: Vietnam has been successful in increasing access to maternal, neonatal, and child health (MNCH) services during last decades; however, little is known about whether the primary MNCH service utilization has been properly utilized under the recent rapid urbanization. We aimed to examine current MNCH service utilization patterns at a district level.

Methods: The study was conducted qualitatively in a rural district named Quốc Oai.

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