Article Figures & Data
Figures
- Fig 1.
Brain stem DWI lesion score. A, Medulla. B, Pons. C, Midbrain. Arterial segmentation according to Tatu et al22: 1 indicates anteromedial; 2, anterolateral; 3, lateral; and 4, posterior territories. The total number of brain stem arterial territories with abnormal DWI defines the brain stem DWI lesion score, between 0 and 22.
- Fig 2.
Pretreatment DWI (A–C) and ADC maps (E–G) of a 70-year-old woman with right hemiparesis, dysarthria, diplopia, and reduced consciousness. DWI shows limited lesions in the midbrain (arrows, C and G; brain stem DWI lesion score, 1) and in the left cerebellar hemisphere. DSA shows a distal basilar clot (arrow, D) successfully recanalized after intra-arterial tPA (H). Time from symptom onset to treatment was 13 hours 30 minutes. Outcome was favorable at 3 months (mRS, 2).
- Fig 3.
Pretreatment DWI (A–C) and ADC maps (E–G) of a comatose 45-year-old man with areactive tetraplegia. DWI shows extensive brain stem lesions (arrows, B and C; brain stem DWI lesion score, 10) and bilateral lesions in the posterior inferior cerebellar arteries and left posterior cerebral artery territories. DSA shows occlusion of the V4 segment of the right vertebral artery and of the lower basilar artery (arrow, D). A TIMI 2 recanalization was achieved after intra-arterial tPA and balloon angioplasty of a 70% proximal basilar stenosis (H). Time from symptom onset to treatment was 14 hours 20 minutes. The patient was in a locked-in syndrome at 3 months (mRS, 5).
Tables
Prognostic Variables Odds Ratio (95% CI) P Value NIHSS score 1.12 (1.02–1.24) .02 Brain stem DWI score 1.94 (1.08–3.48) .03 GCS 0.80 (0.64–0.99) .04 Presence of coma 9.33 (0.97–90.0) .05 Note:—CI indicates confidence interval; GCS, Glasgow Coma Scale Score.
Variable P Value Odds Ratio (95% CI) Brain stem DWI score .026 1.942 (1.084–3.481)
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