METHOD FOR DETERMINING INDICATIONS FOR SURGICAL TREATMENT normal pressure hydrocephalus

摘要

1. A method of determining indications for surgical treatment of normotensive hydrocephalus by evaluation of cerebral hemodynamics and its regulation, characterized in that the estimate of cerebral autoregulation velocity in the main intracranial arteries, reduction of cerebral autoregulation velocity in them is more than two times as compared to normal values ​​of It is an indication for surgical vmeshatelstvu.2. A method according to claim 1, characterized in that the continuously recorded linear flow velocity in the middle cerebral artery and systemic arterial pressure for at least 4 minutes, then using cross-spectral analysis of the time series of said calculated phase shift between spontaneous oscillations of blood flow velocity and systemic arterial pressure in the range of M-waves; value of the phase shift of less than 0.5 radians is an indication for surgical treatment.