Response of Digital Blood Pressure to Cold Provocation in Cases with Raynaud Phenomena

Thulesius, O.; Brubakk, A.; Berlin, E.
February 1981
Angiology;Feb1981, Vol. 32 Issue 2, p113
Academic Journal
A new diagnostic test of the qualitative and quantitative evaluation of vasospastic disorders is described. It entails measurement of systolic digital artery pressure during successive cooling from 35-5°C. In cases with vasospastic disorders with Raynaud phenomena a significant reduction of systolic blood pressure below 78% of control level is observed and in the most pronounced cases total cessation of flow occurs (critical closing). The test is also a quantitative measure of the degree of vasospasm since the pressure reduction correlates to the clinical degree of vasoconstriction.


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