Impedance cardiography assessment during body immersion in a high concentrated water solution of magnesium chloride simulating space microgravity: a pilot study

In 14 healthy subjects (9 males and 5 females, 32±15 years) a beat-by-beat cardiodynamic profile was acquired with impedance cardiography during 10 minutes while lying supine and relaxed in a bed and then in a bath tub with a high concentration of MgCl 2 reaching density 1/3 times more than sea. Whi...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 3014; no. 1; pp. 12006 - 12009
Main Authors Dell’Osa, AH, Fois, A, Cerina, A, Pili, F, Manuello Bertetto, A, Velluzzi, F, Bellomi, G, Palmas, M, Ruggiu, M, Melis, S, Tocco, F, Concu, A
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.05.2025
Subjects
Cardiography
Impedance
Magnesium chloride
Microgravity
Tubs
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Summary:In 14 healthy subjects (9 males and 5 females, 32±15 years) a beat-by-beat cardiodynamic profile was acquired with impedance cardiography during 10 minutes while lying supine and relaxed in a bed and then in a bath tub with a high concentration of MgCl 2 reaching density 1/3 times more than sea. While in the tub, an increase in ventricular preload index (+47%) with reduction in contractility (-17%) and arterial pressure (-5%) occurred like as in space flights. So this method could be seen as a new way to simulating space fly at ground.
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ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/3014/1/012006