Perihematomal edema surrounding spontaneous intracerebral hemorrhage by CT Ellipsoidal versus morphometric volumetry

被引:10
作者
Shulman, Julie G. [1 ,2 ]
Jara, Hernan [1 ]
Qureshi, Muhammad M. [1 ]
Lau, Helena [1 ]
Finn, Brandon [1 ]
Abbas, Saleh [1 ]
Cervantes-Arslanian, Anna M. [1 ,2 ,3 ,4 ]
Mercado, Melissa [1 ,2 ]
Greer, David [1 ,2 ]
Chapman, Margaret [1 ,5 ]
Mian, Asim Z. [1 ,5 ]
Takahashi, Courtney E. [1 ,2 ]
机构
[1] Boston Univ, Sch Med, Boston, MA 02118 USA
[2] Boston Med Ctr, Dept Neurol, Boston, MA USA
[3] Boston Med Ctr, Dept Neurosurg, Boston, MA USA
[4] Boston Med Ctr, Dept Med, Boston, MA USA
[5] Boston Med Ctr, Dept Radiol, Boston, MA USA
关键词
intracerebral hemorrhage; peri-hematomal edema; semiautomated measurement; SCORE; ABCS;
D O I
10.1097/MD.0000000000020951
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Perihematomal edema (PHE) surrounding intracerebral hemorrhage (ICH) may contribute to disease-associated morbidity. Before quantifying PHE's effects on morbidity, a fast, accurate, and reproducible method for measuring PHE volume is needed. The aim of this study is to demonstrate the use of a semiautomated dual clustering segmentation algorithm to generate PHE volumetrics on noncontrast computed tomography (CT) of the head and compare this technique to physicians' manual calculations. This is a single-center, retrospective imaging study that included head CTs performed from January 2008 to December 2014 on 154 patients with ICH. Subjects >= 18 years old who were admitted to the hospital with spontaneous ICH were included. Included subjects had head CTs performed upon admission and within 6 to 24 hours. Two neurologists, 2 neuroradiologists, and a computer program all calculated hemorrhage and PHE volumes. Inter-rater correlation was evaluated using 2 statistical methods: intraclass correlations (ICCs) and limits of agreement (LOA). Additionally, correlation between volumes was separately evaluated using Pearson correlation coefficient. There was an excellent correlation between measurements performed by neurologists and neuroradiologists using ABC/2 for ICH (0.93) and PHE (0.78). There was a good correlation between measurements performed by neurologists using ABC/2 and the volume measurements generated by the algorithm for ICH (0.69) and PHE (0.70). There was a fair correlation between measurements performed by neuroradiologists using ABC/2 and volume measurements generated by the algorithm for ICH (0.47) and good correlation for PHE (0.73). Although the ABC/2 method for measuring PHE is quick and practical, algorithms that do not assume ellipsoidal shape may be more accurate.
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页数:7
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