Τετάρτη 18 Μαρτίου 2020

Increased risk of dementia in patients with genital warts: A nationwide cohort study in Taiwan

Increased risk of dementia in patients with genital warts: A nationwide cohort study in Taiwan:

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Abstract

Genital warts are a common sexually transmitted disease caused by human papillomavirus (HPV) infections. The prevalence of dementia is 4–8% in those aged 65 years or older in Taiwanese community studies, with a high social and economic burden for patients, family caregivers, the community and society. Previous studies have shown that viral infections such as herpes simplex and herpes zoster were associated with dementia. This study aimed to investigate the association between dementia and HPV infections. A population‐based cohort study using data from Taiwan’s National Health Insurance Research Database was conducted. Fine and Grays’s survival analysis was employed to estimate the hazard ratios (HR) and 95% confidence intervals (CI) for the association between genital warts and dementia. From all of the potential participants aged 50 years or more, a total of 16 116 patients were enrolled, including 4029 genital warts‐infected patients, with 12 087 sex‐, age‐ and indexed date‐matched controls (1:3). The cumulative incidences of dementia were 10.72 per 103 person‐years and 6.43 per 103 person‐years in the genital warts and control group, respectively. There were 475 dementia cases from the genital warts cohort during the follow‐up period of 15 years. The adjusted HR for dementia was 1.485 (95% CI, 1.321–1.668; P < 0.001) for genital warts patients after adjusting for all of the covariates. Our study indicates that genital warts infection may increase the risk of dementia.

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