25 April 2022>: Clinical Research
A Retrospective Study of 320 Patients Treated with Carotid Artery Stenting at 4 General Hospitals in Zhejiang Province to Establish a Risk Score for Cerebral Hypoperfusion Syndrome
Yuan Liu 1B , Changyang Zhong 1ABCEF* , Peng Wang 2BC , Jianhong Yang 3DF , Chenghua Xu 4BF , Zuyong Zhang 5AFG*DOI: 10.12659/MSM.935697
Med Sci Monit 2022; 28:e935697
Table 6 Scoring system for the risk of CHS after carotid stenting.
Variable | Logistic scoring system | Additive scoring system |
---|---|---|
Willis ring integrity | ||
Good | 0 | 1 |
Poor | 2 | 5 |
Willis ring integrity | ||
1.2–2.5 | 0 | 1 |
Abnormal | 2 | 6 |
rTTP index | ||
≤0.22 | 0 | 1 |
>0.22 | 3 | 31 |
Preoperative CCT | ||
≤7.1 s | 0 | 1 |
>7.1 s | 2 | 11 |
Resting MTT | ||
≤4.85 s | 0 | 1 |
>4.85 s | 2 | 8 |
CHS – cerebral hypoperfusion syndrome; TTP – time to peak; CCT – cerebral circulation time; MTT – resting mean transit time. |