Increased cardiomyopathy risk after viral infection evidence from a nationwide cohort in Taiwan.

ABSTRACT: Viral infections have been linked to myocarditis and may contribute to the development of cardiomyopathy. However, large-scale population-based evidence remains limited. This study aimed to investigate the association between viral infections and the subsequent risk of cardiomyopathy using Taiwan's Longitudinal Generation Tracking Database (LGTD). We conducted a nationwide, retrospective cohort study using Taiwan's National Health Insurance Research Database/LGTD. Individuals with a first recorded viral infection were matched to unexposed controls using 1:4 propensity scores incorporating demographics, comorbidities, medications, healthcare utilization, and index year. Incident cardiomyopathy was ascertained from ICD-9-CM diagnosis codes in claims data, without clinical adjudication or ima

SUBMITTER: Yu PC 

PROVIDER: S-EPMC12644457 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature