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Intracranial Pressure Monitoring In Nontraumatic Intraventricular Hemorrhage Rodent Model

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Ethnic and Racial Variation in Intracerebral Hemorrhage Risk Factors and Risk Factor Burden.

Steven J Kittner¹, Padmini Sekar², Mary E Comeau³

¹Geriatric Research and Education Clinical Center, Department of Neurology, Baltimore Veterans Administration Medical Center, University of Maryland School of Medicine, Baltimore.

JAMA Network Open

|August 23, 2021

Summary

This summary is machine-generated.

Intracerebral hemorrhage (ICH) risk is higher in Black and Hispanic individuals, linked to hypertension and lack of insurance. Sleep apnea is a new risk factor for ICH, emphasizing the need to address social determinants of health.

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Area of Science:

Neurology
Epidemiology
Genetics

Background:

Black and Hispanic individuals face a higher risk of intracerebral hemorrhage (ICH) compared to White individuals.
Limited large-scale studies have focused on ICH within these disproportionately affected populations.

Purpose of the Study:

To investigate the prevalence, odds, and population attributable risk (PAR) of established and novel ICH risk factors.
Stratify findings by ICH location and racial/ethnic group.

Main Methods:

A case-control study involving 3000 Black, Hispanic, and White individuals with spontaneous ICH.
Data collection included standardized interviews, BMI measurements, and APOE genotyping.
Analysis calculated prevalence, odds ratios (OR), and PAR percentages for risk factors.

Main Results:

ICH occurred at a significantly younger age in Black and Hispanic patients compared to White patients.
Hypertension was a major risk factor, accounting for over 50% of ICH in Black and Hispanic individuals.
Lack of health insurance disproportionately contributed to ICH risk in Black and Hispanic populations.
Sleep apnea emerged as a novel risk factor for both lobar and nonlobar ICH.
APOE gene alleles were associated with ICH in White individuals but not in Black or Hispanic individuals.

Conclusions:

Sleep apnea is identified as a novel risk factor for intracerebral hemorrhage (ICH).
Inadequately treated hypertension and lack of health insurance significantly contribute to the higher burden and earlier onset of ICH in Black and Hispanic populations.
Addressing modifiable risk factors and social determinants of health is crucial for reducing health disparities in ICH.