[Status of the central and cerebral circulation in healthy subjects and patients with the initial manifestations of insufficient blood supply to the brain].

Using a complex of rheographic techniques, the central and cerebral circulation was studied in 62 healthy subjects and 172 patients with incipient manifestations of cerebral circulation insufficiency (IMCCI). In the group of normal subjects, the hemodynamic indices corresponded to the hyper-, eu-, and hypokinetic types of circulation; the pulse blood filling of the brain depended on the magnitude of the stroke volume. Patients with IMCCI and different hemodynamic types of various intensity demonstrated changes in the ratios of the pulse blood filling and the volumetric speed of the cerebral blood flow to the stroke volume and cardiac output which resulted in the formation of cerebrovascular insufficiency.