The perfusion fraction in volunteers and in patients with ischaemic stroke

Ronnie Wirestam*, S. Brockstedt, A. Lindgren, B. Geijer, C. Thomsen, S. Holtås, F. Ståhlberg

*Corresponding author af dette arbejde

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    Abstract

    The fractional volume of capillary blood, i.e. the perfusion fraction f, was measured with the aid of an echo-planar imaging protocol originally designed for the measurement of water diffusion. In healthy volunteers, reasonable f values were obtained. In patients with cerebral ischaemic stroke, a marked decrease in the f value was seen in the infarcted region as compared with corresponding values in the contralateral hemisphere. We suggest that perfusion-fraction measurements may add to the diagnostic value of water-mobility examinations in patients with ischaemic disease.

    OriginalsprogEngelsk
    Sider (fra-til)961-964
    Antal sider4
    TidsskriftActa Radiologica
    Vol/bind38
    Udgave nummer6
    StatusUdgivet - 1 dec. 1997

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