Changes in Doppler mitral inflow patterns during parabolic flight.

E. G. Caiani, G. Asquer, M. Turiel, O. Bailliart, B. Cholley, A. Capderou, P. Vaida

Research output: Contribution to journalArticlepeer-review

Abstract

Aim of the study was to evaluate by transthoracic Doppler the alterations in mitral inflow velocity pattern caused by acute changes in loading conditions occurring during parabolic flights. Each parabola included normogravity (1 Gz, 1 min), mild hypergravity (1.8 Gz, 20 sec), microgravity (0 Gz, 24 sec) and mild hypergravity (1.8 Gz, 20 sec) phases. Pulsed-Doppler images were digitally acquired in 11 unmedicated subjects (46 +/- 5 years), in standing upright position and supine resting. Doppler profiles were semi-automatically traced and inflow parameters extracted and averaged onto three consecutive beats. Only in standing position, significant alterations during microgravity (p

Original languageEnglish
JournalJournal of gravitational physiology : a journal of the International Society for Gravitational Physiology
Volume11
Issue number2
Publication statusPublished - 2004

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