Indulis Kukulis

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A newly developed portable multi-channel photoplethysmography (PPG) device has been used for comparative studies of 20 healthy control subjects and 45 patients with diagnosed arterial stenosis in a leg. The peripheral blood pulsations were detected simultaneously at four body sites-the same fingers and toes of both arms and legs. The PPG pulses recorded at(More)
Original method of baroreflex activation and deactivation was described. Bradycardia and vasodilatation of the forearm vessels were observed at baroreflex activation. Tachycardia and forearm blood flow reduction were observed at baroreflex deactivation. The sensitivity of baroreflex heart component vas shown to depend upon the arterial pressure and a(More)
The experience in the treatment of 107 patients with iatrogenic traumatism of vessels shows that damage to the main veins may be regarded as the most serious lesion. Operations on the vessels carried out in the first hours after the damage permit one to limit the volume of surgery and to prevent a number of complications. Exception is made for children(More)
Blood flow in human forearm and arterial pressure gradient in conduit arteries of forearm were studied during reactive hyperemia caused by arterial occlusion for 1, 3, 5, 15 and 30 min. The mechanisms of tonus formation and regulation of these vessels are heterogeneous. The precapillary vessels dilate during arterial occlusion whereas conduit arteries(More)
To evaluate the contribution of cortical and peripheral reflexes in originating pressor reaction, the carotid baroreceptor and sympatho-adrenal activity (according to plasma noradrenaline, adrenaline and dopamine levels) were studied during voluntary handgrip. Differences were found in the pattern of adrenergic responses during and after contraction when(More)
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