Heart Rate and Blood Pressure Variability under Moon, Mars and Zero Gravity Conditions During Parabolic Flights
Year: 2012
Type: conference-paper
Abstract: Gravity changes during partial-G parabolic flights (0g - 0.16g - 0.38g) lead to changes in modulation of the autonomic nervous system (ANS), studied via the heart rate variability (HRV) and blood pressure variability (BPV). HRV and BPV were assessed via classical time and frequency domain measures. Mean systolic and diastolic blood pressure show both increasing trends towards higher gravity levels. The parasympathetic and sympathetic modulation show both an increasing trend with decreasing gravity, although the modulation is sympathetic predominant during reduced gravity. For the mean heart rate, a non-monotonic relation was found, which can be explained by the increased influence of stress on the heart rate. This study shows that there is a relation between changes in gravity and modulations in the ANS. With this in mind, countermeasures can be developed to reduce postflight orthostatic intolerance. Key words: parabolic flight; heart rate; blood pressure; variability; ESA. © 2013 European Space Agency.
Source: Lirias
Authors: Wouter Aerts, Pieter Joosen, Devy Widjaja, Carolina Varon, Steven Vandeput, Sabine Van Huffel, André Aubert
Language: English
Subfield: Cardiology and Cardiovascular Medicine
Field: Medicine
Domain: Health Sciences
Open Access status: green
Funder: European Space Agency
OpenAlex ID: W2532247776