Global incidence of Kawasaki disease: a systematic review

초록

Background: Kawasaki disease is a systemic vasculitis that primarily affects young children and represents a major cause of acquired heart disease in children in developed countries. The incidence of Kawasaki disease exhibits significant global variation, and the worldwide burden remains limited.Methods: A systematic review was conducted to investigate the global incidence of Kawasaki disease in children under 5 years of age. A comprehensive literature search was performed in PubMed, Embase, and KoreaMed up to July 15, 2024. Studies reporting population-level Kawasaki disease incidence were included. Data extraction and quality assessment were performed independently by two reviewers.Results: The search yielded 3,197 articles, of which 105 met the inclusion criteria. These studies examined Kawasaki disease incidence in children under 5 years of age across 34 countries, with the majority focusing on the Western Pacific Region and the Region of the Americas. The results demonstrated a wide range of Kawasaki disease incidence globally, with significant geographic variations. The highest incidence rates were observed in Japan, Korea, and Taiwan, with a trend of gradual increase over time.Conclusions: This study represents the most comprehensive review of global Kawasaki disease incidence to date. The substantial variation in incidence underscores the need to understand the factors influencing regional differences.

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