Abstract
ABSTRACT Background: Cumulative evidence suggests that both traumatic stress and posttraumatic stress disorder (PTSD) are cross-sectionally and prospectively linked to cardiovascular disease (CVD). However, their association with proxy markers of atherosclerosis has hardly been investigated. Objective: The objective of this general population study was to relate traumatic stress and PTSD to carotid plaque and intima-media thickness (cIMT). Methods: 3119 adults from the general population were assessed regarding their traditional cardiovascular risk factors, and an ultrasound of the carotid arteries was performed in each participant. Based on a PTSD interview, every participant was assigned to one of three groups: no trauma; trauma, but no PTSD; and trauma with PTSD. The sample was stratified into five age groups. Results: Trauma exposure was reported by 54.5% of the sample and 2.0% had PTSD. Traumatized participants had increased odds of self-reported CVD events compared to those without trauma exposure, even when accounted for CVD risk factors and other covariates (odds ratio [OR] = 1.51; 95% confidence interval [CI]: 1.03–2.22). This association was driven by those aged 70 years or older. Only in those aged 40 to 49 years, there was an association between cIMT and PTSD. There were no further associations between carotid plaque or cIMT and traumatic stress or PTSD. Conclusions: Our findings in concert with prior research suggest that the association between traumatic stress, PTSD and atherosclerosis as well as its clinical endpoints is complex and remains inconclusive.
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