Iu A Kudriashov

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In cats anesthetized with Uretan and perfused with a constant blood volume, Taurine induced responses of neither arterial nor venous vessels of the skeletal muscle but increased the capillary filtration coefficient without any significant change of the capillary pressure in the skeletal muscle's microvessels. Taurine also increased both the constrictor and(More)
Preliminary artificial venous hypertension of hindlimbs for 4-6 weeks was followed by comparison of resistive, capacitance and metabolic functions of the m. gastrocnemius' vessels performed in experimental and control cats with different levels of initial pressure of venous outflow. An increase of precapillary resistance, of the capillary filtration(More)
In cats, the obviousness of constriction responses of arterial and venous vessels to combined action of adrenergic stimuli depended upon the adrenaline/noradrenaline ratio: a 2,4,6-fold decrease in one of the components reduced the responses as compared with their action when being in equal ratio.
In acute experiments on cats under autoperfusion of the denervated shank vessels with a constant blood volume, injection of noradrenaline into the perfusate could either decrease or increase vascular capacitance. The character and magnitude of reaction depended on the initial level of venous pressure: in pressure 10--15 Hg the decrease was predominant,(More)
Under conditions of perfusion of the small intestine's vessels with constant volume of the auto-blood, stationary shifts of the arterial perfusion pressure by +/- 50 mm Hg and/or blood flow by +/- 50% of the initial level practically did not affect the size of the exchange surface of the organ's microvessel bed (the capillary filtration coefficient) or the(More)
Dependence of hypoxic changes of macro- and microcirculation on the activity of adrenergic receptors in the cooled organism was studied on decentralized shank of cat under perfusion with constant blood flow. After cooling of cat (to 30 degrees C) and blockade of alpha-adrenoreceptors hypoxic hypoxia (10% O2 in N2) caused (a) much greater reduction of(More)