TITLE

Protective Effects of Propranolol on the Exercise-Induced Reduction of Blood Flow in Arteriopathic Patients

AUTHOR(S)
Brevetti, Gregorio; Chiariello, Massimo; Rengo, Franco; Lavecchia, Giuseppe; Paudice, Giampaolo; Condorelli, Mario
PUB. DATE
October 1979
SOURCE
Angiology;Oct1979, Vol. 30 Issue 10, p696
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The vascular steal phenomenow, that is, the shunting of blood from ischemic to normally perfused areas, is commonly observed during exercise in the affected limbs of patients with peripheral arterial insufficiency. Propranolol was administered to 18 arteriopathic patients before the exercise to ascertain whether the reverse situation can be induced. The results indicate that before propranolol administration, Jantsch's index (used to quantify the plethysmographic waves) decreased from 0.53 � 0.05 to 0.33 � 0.04 (P < 0.001) at 1 minute, and to 0.38 � 0.04 (P < 0.001) at 5 minutes after the end of the exercise. When the exercise was repeated after propranolol, Jantsch's index did not change. These findings indicate that propranolol can inhibit exercise-induced vascular steal.
ACCESSION #
16519646

 

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