4.7 Article

Association between trichomoniasis and prostate and bladder diseases: a population-based case-control study

Journal

SCIENTIFIC REPORTS
Volume 12, Issue 1, Pages -

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41598-022-19561-2

Keywords

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Funding

  1. Tri-Service General Hospital Songshan Branch, Taiwan [TSGH-SS_E_111006, TSGH-SS_A_111001, TSGH-SS_E_ 111005]
  2. Ministry of National Defense-Medical Affairs Bureau, Taiwan [MND-MAB-D-111140]
  3. Tri-Service General Hospital, Taiwan [TSGHE-111224, TSGH-B-111018]

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Trichomonas vaginalis infection is a prevalent sexually transmitted infection that may increase the risk of developing genitourinary cancers. This study investigated the association between trichomoniasis and BPH, PCa, and BC, and found that trichomoniasis was significantly associated with an increased risk of BPH and PCa. Furthermore, the risk was even higher for patients with both trichomoniasis and depression.
Trichomonas vaginalis infection is one of the most widespread sexually transmitted infections in the world. There are approximately 276 million cases worldwide. Most men remain undiagnosed and untreated because they are asymptomatic. The chronic inflammation induced by persistent infection may increase the risk of developing genitourinary cancers. In this study, we aimed to investigate the association between trichomoniasis and benign prostate hyperplasia (BPH), prostate cancer (PCa), and bladder cancer (BC) in Taiwan. We designed a case-control study by using the database of the National Health Insurance program in Taiwan. We used the International Classification of Diseases, 9th Revision classifications to classify all the medical conditions in the case and control groups. All odds ratios (ORs) and 95% confidence intervals (CIs) were analyzed using multivariable logistic regression to adjust for all comorbidities and variables. From 2000 to 2015, we enrolled a total of 62,544 individuals as the case group and 187,632 as the control group. Trichomoniasis exposure had a significant association with BPH and PCa (adjusted OR: BPH = 2.685, 95% CI = 1.233-4.286, P = 0.013; PCa = 5.801, 95% CI = 1.296-26.035, P = 0.016). The relative risk was much higher if patients had both trichomoniasis and depression (adjusted OR = 7.682, 95% CI = 5.730-9.451, P < 0.001). Men with trichomoniasis had a significantly higher risk of developing BPH and PCa than those without. Healthcare professionals should not only pay more attention to disease treatment, but also to public health education.

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