Characteristics of the effect of negative pressure inspiration on the cardiorespiratory system of humans under the conditions of five-day dry immersion

Characteristics of the effect of negative pressure inspiration on the cardiorespiratory system of humans under the conditions of five-day dry immersion Full article

Journal

Human Physiology
ISSN: 1608-3164 , E-ISSN: 0362-1197

Output data

Year: 2014, Volume: 40, Number: 7, Pages: 748-751 Pages count : 4 DOI: 10.1134/S0362119714070238

Authors

Semenov Y.S. ^1,2 , Popova Y.A. ¹ , Diachenko A.I. ^1,2,3 , Reushkina G.D. ¹ , Kolesnikov V.I. ¹ , Suvorov A.V. ¹

Affiliations

1	Institute of Biomedical Problems, Russian Academy of Sciences
2	Moscow Institute of Physics and Technology, State University
3	Prokhorov General Physics Institute, Russian Academy of Sciences

Changes in external respiration and central hemodynamics induced by negative (relative to atmospheric) inspiration pressure were studied in supine subjects before and on the fourth day of a dry immersion (DI) experiment. Changes in the cardiorespiratory system as a result of negative inspiration pressure included an increase in the amplitude of breathing motions and reduction of their frequency, and distinct breathing-related HR fluctuations. Combinations of immersion and altered pressure in the mask caused breathing-related variations of systolic pressure and plethysmogram signal, and improved arterial blood oxygenation. These results could be useful for developing pressure-gradient methods of counteracting adverse effects of blood redistribution toward the cranial end.

Semenov Y.S. , Popova Y.A. , Diachenko A.I. , Reushkina G.D. , Kolesnikov V.I. , Suvorov A.V.
Characteristics of the effect of negative pressure inspiration on the cardiorespiratory system of humans under the conditions of five-day dry immersion
Human Physiology. 2014. V.40. N7. P.748-751. DOI: 10.1134/S0362119714070238 OpenAlex

Семенов Ю.С. , Попова Ю.А. , Дьяченко А.И. , Реушкина Г.Д. , Колесников В.И. , Суворов А.В.
Особенности влияния дыхания под отрицательным давлением на вдохе на кардиореспираторную систему человека в условиях 5-суточной иммерсии
Авиакосмическая и экологическая медицина. 2011. Т.45. №6. С.37-40.

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