Keywords:
Neuroradiology brain, CT, CT-Angiography, Diagnostic procedure, Ischaemia / Infarction
Authors:
R. Pozzi Mucelli, G. Furlanis, A. Purpuri, M. Ukmar, M. A. Cova; Trieste/IT
DOI:
10.1594/ecr2018/C-1379
Methods and materials
153 patients (79 females,
74 males; average age 76 yo) with acute ischemic stroke of the anterior circulation were included in the study.
All patients underwent within 4.5 hours from clinical onset,
unenhanced CT,
CT angiography and CT perfusion and a CT follow-up after 24-48 hours.
Perfusion images were retrospectively evaluated by two radiologists and divided into 6 categories of perfusion scenarios:
- 0: no perfusion deficit
- 1: only penumbra
- 2: penumbra>core
- 3: penumbra=core
- 4: penumbra<core
- 5: only core
All patients were clinically evaluated with the National Institutes of Health Stroke Scale (NIHSS)(Table 1) and modified Rankin scale (mRS)(Table 2).
Correlation between CT perfusion and clinical scores,
before and after treatment,
was done on 99 patients,
who are the ones who underwent endovenous throbolysis,
using Spearman’s rank correlation coefficient.
P value < 0,05 was considered statistically significant.