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In a placebo-controlled study, changes in psychophysiological status of operators (38 healthy male volunteers aged 23-35 years) performing 4-hour model operator activity were evaluated after a single oral administration of typical representatives of the different classes of drugs (haloperidol, proroxan, yohimbine hydrochloride, propranolol, mesocarb, isoprenaline, Belladonna extract, anabasine hydrochloride, valproate sodium, and phenazepam), which are used for the treatment, rehabilitation and prophylaxis of common diseases. It was found that all the drugs modified to a greater or lesser extent some components of the model operator activity. Isoprenaline and phenazepam had the most negative effect on the psychophysiological indicators and quality of the modeled operator activity.
View Article and Find Full Text PDFAnalysis of archival data revealed subsidence of situational anxiety accompanying work under psycho-emotional stress after administration of pharmacologically different psychotropic agents, such as stimulant mesocarb, nootropic and anxiolytic fenibut, tranquilizer fenazepam and alpha-adrenoblocker proroxan. Effectiveness of pharmacological anxiety control was dependent on individual sensitivity to these agents. Prescription of the medications with allowance for the factor reduced group-average levels of situational anxiety in 1.
View Article and Find Full Text PDFPyrroxan and dimenhydrinate exhibit comparable anti-seasick effects in the test involving maximal and submaximal statokinetic load. Pyrroxan somewhat more significantly increases the vestibular stability, predominantly in humans with inherently high and medium stability, whereas dimenhydrinate is also effective in humans with low resistance to seasick. Pyrroxan primarily decreases the statokinetic (somatic) manifestations (dizziness, defensive movements, nystagmus), while dimenhydrinate mostly abolishes vegetative manifestations (hyperhydrosis, nausea, vomiting, fever sensation).
View Article and Find Full Text PDFActivities of succinate dehydrogenase (SDH) and alpha-glycerophosphate dehydrogenase (hyaloplasmic and mitochondrial: alpha-GPDHH and alpha-GPDHM) in peripheral blood lymphocytes, and the response of SDH activity to exogenous epinephrine in vitro (the epinephrine test) were studied in 20 healthy subjects and 46 patients with hypertensive neurocirculatory dystonia. Activities of SDH, alpha-GPDHH, and alpha-GPDHM in blood lymphocytes and SDH adrenoreactivity in epinephrine test were higher in patients than in healthy controls. Treatment with hypotensive agents (isradipin and pyrroxan) moderated adrenoreactivity.
View Article and Find Full Text PDFInfant rabbits (10-12-day old) were infected with El Tor 5879 culture via stomach. During the period of cholera vibrio adhesion (within 4 hr) and twice on the following day the animals were injected intraperitoneally with alpha- and beta-adrenoblockers pyrroxan and obsidan. It was established that mono- or combined therapy with adrenergic blocking agents prevents the vibrio adhesion, cholera vibrios were detected mainly in the small intestine lumen.
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