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Psychosocial Stress and Risk for Intracerebral Hemorrhage in the ERICH (Ethnic/Racial Variations of Intracerebral
Tyler P Behymer1, Padmini Sekar1, Stacie L Demel1
1Department of Neurology and Rehabilitation Medicine University of Cincinnati College of Medicine Cincinnati OH USA.
Insights
Psychosocial stress is a significant risk factor for intracerebral hemorrhage (ICH), even after accounting for hypertension. Specific stressors disproportionately impact Black and Hispanic individuals, highlighting a need for targeted interventions.
Area of Science:
- Neurology
- Public Health
- Psychiatry
Background:
- Intracerebral hemorrhage (ICH) has high mortality and disability rates.
- Psychosocial stressors are linked to hypertension and stroke.
- Racial and ethnic disparities in stress levels are documented.
Purpose of the Study:
- To determine if psychosocial stress predicts ICH risk, controlling for known factors.
- To investigate if hypertension mediates the stress-ICH association.
- To examine racial/ethnic differences in stress-related ICH risk.
Main Methods:
- Prospective, multicenter, case-control study (ERICH study).
- Included White, Black, and Hispanic patients with matched controls.
- Assessed four stress subtypes (financial, health, emotional, family) using a 0-10 scale.
- Employed logistic regression and mediation analyses.
Main Results:
- All stress subtypes were associated with increased ICH probability.
- Financial stress linked to nonlobar ICH, disproportionately affecting Black and Hispanic patients.
- Hypertension mediated the ICH risk from health, emotional well-being, and family stress.
Conclusions:
- Psychosocial stress is an independent risk factor for ICH.
- Novel mechanisms require further investigation for ICH risk mitigation.
- Findings suggest new targets for preventing intracerebral hemorrhage.
Background:
Intracerebral hemorrhage (ICH) carries a 30-day mortality rate of 40% to 50% and a high burden of disability. Prior studies found that psychosocial stressors are associated with hypertension, ischemic stroke, and important racial/ethnic differences in baseline stress exist. We sought to determine whether stress, including distinct subtypes, predicts risk of ICH after controlling for important risk factors; whether its effect is mediated by hypertension; and whether important racial/ethnic differences in stress-associated ICH exist.
Methods:
Data from the ERICH (Ethnic/Racial Variations of Intracerebral Hemorrhage) study, a prospective, multicenter, case-control study of ICH among White, Black, and Hispanic patients were used. Controls matched 1:1 by sex and race or ethnicity. Participants rated 4 stress subtypes (financial, health, emotional well-being, and family) on a 0 to 10 scale for the week before ICH, with 0 signifying no stress and 10 highest stress. Univariate and multivariable logistic regressions to assess each stress type as a risk factor for ICH and mediation analyses to determine whether hypertension mediated the association between stress and ICH were performed.
Results:
There were 2964 case/control matches (41.4% female, 33.7% Black, and 32.7% Hispanic). Higher levels of each stress subtype increased probability of ICH: financial, health, emotional well-being, family, and total stress. Financial stress was associated with nonlobar ICH and disproportionately affected Black and Hispanic patients. Hypertension was found to mediate the ICH risk effects of health, emotional well-being, and family stress.
Conclusions:
Psychosocial stress remains a risk factor for ICH after controlling for hypertension. Novel mechanisms underlying this association warrant further study and offer a new target for ICH risk mitigation.
Registration:
URL: clinicaltrials.gov; Unique Identifier: NCT01202864.
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