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. 1976 Dec;84(5):915-23.
doi: 10.3109/13813457609069454.

[Decrease in maximum consumption of oxygen after blockage of beta-andrenergic receptors]

[Article in French]
A Scheen, J Juchmès, G Lennes, J Lecomte

[Decrease in maximum consumption of oxygen after blockage of beta-andrenergic receptors]

[Article in French]
A Scheen et al. Arch Int Physiol Biochim. 1976 Dec.

Abstract

VO2 max, maximum oxygen uptake, has been measured in 4 normal young men, before and after beta-adrenergic blockade (0.5 to 5 mg Pindolol by mouth). Pindolol induces bradycardia and reduces VO2 max. A statistically significant positive correlation appears between posology of Pindolol and bradycardia, this posology and reduction of VO2 max, and finally between bradycardia and reduction of VO2 max. These correlations indicate that the reduction of VO2 max is best explained by a circulatory limitation of oxygen supply to active muscles.

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