Aleksandr Aleksandrov

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Performance of certain cognitive tasks either during physical load or in rest pauses between boosts might lead to slowing of muscle fatigue and fatigue related decline in performance. Seventeen right-handed healthy volunteers (age 24 ± 1.4, 8 males) participated in this study, aiming to investigate the effect of the level of the cognitive information(More)
4. 5. 6. B. I. Kuznik and N. N. Tsibykhov, Abstracts of Proceedings of the Second All-Union Congress of Hematologists and Transfusion Specialists [in Russian], Moscow (1985), pp. 444-445. B. I. Kuznik, V. Kh. Khavinson, and N. N. Tsibykhov, Regulatory Peptides Under Normal and Pathological Conditions [in Russian], Chita (1991), pp. 1-4. V. P. Makarov,(More)
It is shown that in deep acute hypoxic hypoxia the 2,3-diphosphoglycerate content is reduced and the adenosine triphosphate content unchanged in the erythrocytes of newborn rats. Under the same conditions adult animals show an increase of 2,3-diphosphoglycerate and a drop in the adenosine triphosphate content in the erythrocytes. The importance of these(More)
The urgent porto-system bypass has been used in 26 children with portal hypertension to prevent acute gastro-esophageal bleeding. This method may be used in all types of portal circulation blockade. The bleeding stopped within first two postoperative days and there were no cases of its relapse within 6 years.
Intraoperative examinations of 15 patients with extrahepatic portal hypertension carried out to elucidate the effect of pituitrin infusion on the central and portal hemodynamics and analysis of the clinical results of treatment of gastroesophageal hemorrhages with pituitrin infusions in 17 patients showed that infusions of pituitrin solution were(More)
Central hemodynamics, blood gas composition, portal blood flow, and hepatic function have been studied in 30 children with extrahepatic portal hypertension during various types of intraoperative anesthesia. Neuroleptanalgesia and combined halothane and calypsol anesthesia ensure an adequate patient protection from surgical trauma. Each type of anesthesia(More)
The advantages and disadvantages of intravenous and inhalation anesthesias in pediatric anesthesiology are analyzed. Causes of complications induced by myorelaxants and measures for preventing these complications are discussed. Basic protocols of intravenous or inhalation anesthesias with the minimum fresh gas flow for pediatric anesthesiology are presented.