Research Reports - Risk of erectile dysfunction after traumatic brain injury

Yun-Ju Yang, MD, Wu-Chien Chien, PhD, Chi-Hsiang Chung, PhD, Kun-Ting Hong, MD, Yi-Lin Yu, MD, Dueng-Yuan Hueng, MD, PhD, Yuan-Hao Chen, MD, PhD, Hsin-I Ma, MD, PhD, Hsin-An Chang, MD, Yu-Chen Kao, MD, MSc, Hui-Wen Yeh, RN, MSN, Nian-Sheng Tzeng, MD

American Journal of Men's Health
January 11, 2018

In our study, we aimed to investigate the association between a traumatic brain injury (TBI) and subsequent erectile dysfunction (ED). This is a population-based study using the claims dataset from The National Health Insurance Research Database.

We included 72,642 patients with TBI aged over 20 years, retrospectively, selected from the longitudinal health insurance database during 2000–2010, according to the ICD-9-CM. The control group consisted of 217,872 patients without TBI that were randomly chosen from the database at a ratio of 1:3, with age- and index year matched. Cox proportional hazards analysis was used to estimate the association between the TBI and subsequent ED.

After a 10-year follow-up, the incidence rate of ED was higher in the TBI patients when compared with the non-TBI control group (24.66 and 19.07 per 100,000, respectively). Patients with TBI had a higher risk of developing ED than the non-TBI cohort after the adjustment of the confounding factors, such as age, comorbidity, residence of urbanization and locations, seasons, level of care, and insured premiums (adjusted hazard ratio (HR) = 2.569, 95% CI [1.890, 3.492], p < .001).

This is the first study using a comprehensive nationwide database to analyze the association of ED and TBI in the Asian population. After adjusted the confounding factors, patients with TBI have a significantly higher risk of developing ED, especially organic ED, than the general population. This finding might remind clinicians that it’s crucial in early identification and treatment of ED in post-TBI patients.

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