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Table 1 Vasospasm severity of basilar artery before and after modeling (number/ %)

From: Ultrasound guided double injection of blood into cisterna magna: a rabbit model for treatment of cerebral vasospasm

Severity of vasospasm Manual puncture Ultrasound guided puncture
Control group Model group Control group Model group
Severe (≥30 %) 0/0 26/65 0/0 38/95
Moderate (20 ~ 29 %) 0/0 7/18 0/0 0/0
Mild (10 ~ 19 %) 0/0 4/10 0/0 2/5
Small (<10 %) 40/100 3/8 40/100 0/0