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Published in: Neuroradiology 7/2017

01-07-2017 | Functional Neuroradiology

Quantitative assessment on blood–brain barrier permeability of acute spontaneous intracerebral hemorrhage in basal ganglia: a CT perfusion study

Authors: Haoli Xu, Rui Li, Yuxia Duan, Jincheng Wang, Shuailiang Liu, Yue Zhang, Wenwen He, Xiaotao Qin, Guoquan Cao, Yunjun Yang, Qichuan Zhuge, Jun Yang, Weijian Chen

Published in: Neuroradiology | Issue 7/2017

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Abstract

Purpose

Blood–brain barrier (BBB) damage aggravates perihematomal edema, and edema volume predicts prognosis independently. But the BBB permeability at the late stage of acute intracerebral hemorrhage (ICH) patients is uncertain. We aimed to assess the BBB permeability of spontaneous basal ganglia ICH using computed tomographic perfusion (CTP) and investigates its relationship with hematoma and perihematomal edema volume.

Methods

We performed CTP on 54 consecutive ICH patients within 24 to 72 h after symptom onset. Permeability-surface area product (PS) derived from CTP imaging was measured in hematoma, “high-PS spot,” perihematoma, normal-appearing, hemispheric, and contralateral regions. Hematoma and edema volumes were calculated from non-contrast CT.

Results

“High-PS spot” and perihematoma regions had higher PS than the contralateral regions (p < 0.001). Hematoma PS was lower than that in the contralateral regions (p < 0.001). Perihematoma PS of the large-hematoma group was higher than that of the small-hematoma group (p = 0.011). Perihematomal edema volume correlated positively with hematoma volume (β = 0.864, p < 0.001) and perihematoma PS (β = 0.478, p < 0.001). Perihematoma PS correlated positively with hematoma volume (β = 0.373, p = 0.005).

Conclusions

Locally elevated perihematoma PS was found in most spontaneous basal ganglia ICH patients within 24 to 72 h after symptom onset. Perihematoma PS was higher in larger hematomas and was associated with larger edema volume. At this period, BBB leakage is likely to be an important factor in edema formation.
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Metadata
Title
Quantitative assessment on blood–brain barrier permeability of acute spontaneous intracerebral hemorrhage in basal ganglia: a CT perfusion study
Authors
Haoli Xu
Rui Li
Yuxia Duan
Jincheng Wang
Shuailiang Liu
Yue Zhang
Wenwen He
Xiaotao Qin
Guoquan Cao
Yunjun Yang
Qichuan Zhuge
Jun Yang
Weijian Chen
Publication date
01-07-2017
Publisher
Springer Berlin Heidelberg
Published in
Neuroradiology / Issue 7/2017
Print ISSN: 0028-3940
Electronic ISSN: 1432-1920
DOI
https://doi.org/10.1007/s00234-017-1852-9

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