A comparison of the effects of lower body positive pressure and head-down tilt on cardiovascular responses in humans.

Qi Fu, Y. Sugiyama, A. Kamiya, S. Iwase, T. Mano

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Both lower body positive pressure (LBPP) and head-down tilt (HDT) can induce fluid shifts from the lower body to the thorax and result in a loading of cardiopulmonary baroreceptors. The aim of this study was to compare the effects of LBPP and HDT on cardiovascular responses in humans. To accomplish this, a graded LBPP test of 10, 20 and 30 mmHg, as well as a 6 degrees HDT was applied. It has been suggested that <20 mmHg LBPP and <30 degrees HDT load the cardiopulmonary baroreceptors by translocation of blood volume from the lower body to the thorax, while >20 mmHg LBPP activates the intramuscular pressure-sensitive receptors.

Original languageEnglish (US)
Pages (from-to)P111-112
JournalJournal of gravitational physiology : a journal of the International Society for Gravitational Physiology
Volume6
Issue number1
StatePublished - Jul 1999

ASJC Scopus subject areas

  • Medicine(all)

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