A Tentative Study of Regional Vasomotor Capacitance Variations by Rheoencephalography

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Abstract
Ten cases of cerebrovascular accidents have been studied by rheoencephalography. The REG curves are interpreted quantitatively and our method gives a measure of the regional circulatory resistance but also of another parameter that we call the ‘reserve’. With this last value, measured before an injection of 100 mg of papaverine pyridoxinate, we can predict in which direction the regional circulatory resistance will vary 10 min after the injection of papaverine pyridoxinate. The study of our results shows that an infarcted or ischaemic territory has a low reserve value and that a therapeutic effect is characterized by a ‘squeeze effect’.

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