[Distribution of cerebral vascular hemodynamic indexes].

Objective: To describe the distribution of cerebral vascular hemodynamic indexes (CVHI).

Methods: A number of 25,355 age 35 and over were selected in the Northeast China by cluster sampling. CVHI were checked during baseline survey and were followed to see the occurrence of stroke.

[A cohort study on cerebral vascular hemodynamics accumulative score and risks of stroke].

Objective: To estimate relative risk (RR) of cerebral vascular hemodynamics indexes (CVHI) accumulative score as well as some other risk factors of stroke.

Methods: A cohort study was carried out in 25 355 participants aged 35 and over in Northeast of China from 1994 to 2001. In the baseline survey, exposure rates of hypertension, diabetes, family history of stroke and hypertension, etc.