V P Krotov, V Convertino, V I Korol'kov, R Latham, E V Trambovetskiĭ, J Fanton, R Crisman, A N Truzhennikov, D Evert, A M Nosovskiĭ, J Conolly
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[Heart functions in monkeys during a 2-week antiorthostatic hypokinesia].
Dynamics of the left heart ventricular muscle contractility and compliance was studied in 4 monkeys in the head down position (antiorthostatic hypokinesia) with the body angle 10 during 2 weeks. Functional tests on a tilt table and under two conditions of centrifuge rotation were performed prior to and after the antiorthostatic hypokinesia. No changes in the left heart ventricular muscle contractility was found. However, the sensitivity level of the baroreflex control decreased. Compliance of the left heart myocardial fibre increased in the first hours and days of the antiorthostatic hypokinesia.
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