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Associations of Radiographic Cerebral Small Vessel Disease with Acute Intracerebral Hemorrhage Volume, Hematoma Expansion, and Intraventricular Hemorrhage
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Associations of Radiographic Cerebral Small Vessel Disease with Acute Intracerebral Hemorrhage Volume, Hematoma Expansion, and Intraventricular Hemorrhage
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Journal Article
Associations of Radiographic Cerebral Small Vessel Disease with Acute Intracerebral Hemorrhage Volume, Hematoma Expansion, and Intraventricular Hemorrhage
2020
Overview
Background and Objective
The aim of this study was to evaluate the impact of radiographic cerebral small vessel disease (CSVD) on the severity of acute intracerebral hemorrhage (ICH) as measured by: ICH volume, hematoma expansion, and extension of intraventricular hemorrhage (IVH).
Methods
CSVD was determined on baseline computed tomography (CT) scans of patients from the Ethnic and Racial Variations of Intracerebral Hemorrhage study through the extent of leukoaraiosis and cerebral atrophy using visual rating scales. The associations of leukoaraiosis and atrophy with ICH volume, hematoma expansion, IVH presence, and severity of IVH were tested using multivariable regression models. Secondary analyses were stratified by hemorrhage location. Bonferroni correction was applied to correct for multiple testing.
Results
A total of 2579 patients (mean age 61.7 years, 59% male) met inclusion criteria. Median ICH volume was 10.5 (Interquartile range [IQR] 4.0–25.3) mL. IVH was detected in 971 patients (38%). Neither leukoaraiosis nor atrophy was associated with hematoma expansion. Increasing grades of leukoaraiosis were associated with increased risk of IVH in a dose-dependent manner, while cerebral atrophy was inversely associated with IVH (both
P
for trend < 0.001). Increasing grades of global atrophy were dose-dependently associated with lower ICH volumes (ß (95% Confidence Interval [CI]) − 0.30[− 0.46, − 0.14], − 0.33[− 0.49, − 0.17], − 0.40[− 0.60, − 0.20], and − 0.54[− 0.76, − 0.32], for grades 1, 2, 3 and 4 compared to 0; all
P
< 0.001). The associations of leukoaraiosis with ICH volume were consistent with those of atrophy, albeit not meeting statistical significance.
Conclusions
Leukoaraiosis and cerebral atrophy appear to have opposing associations with ICH severity. Cerebral atrophy correlates with smaller ICH volume and decreased risk and severity of IVH, while leukoaraiosis is associated with increased risk of IVH. Whether these observations reflect overlapping or divergent underlying mechanisms requires further study.
Publisher
Springer US,Springer Nature B.V
Subject
/ Atrophy
/ Cerebral Hemorrhage - diagnostic imaging
/ Cerebral Hemorrhage - epidemiology
/ Cerebral Intraventricular Hemorrhage - diagnostic imaging
/ Cerebral Intraventricular Hemorrhage - epidemiology
/ Cerebral Small Vessel Diseases - diagnostic imaging
/ Cerebral Small Vessel Diseases - epidemiology
/ Female
/ Hematoma
/ Hematoma - diagnostic imaging
/ Humans
/ Leukoaraiosis - diagnostic imaging
/ Leukoaraiosis - epidemiology
/ Male
/ Medicine
/ Patients
/ Software
/ Stroke
