Postural Influence on Intracranial Fluid Dynamics: an Overview

Overview

Journal J Physiol Anthropol

Publisher Biomed Central

Specialty Social Sciences

Date 2023 Apr 13

PMID 37055862

Authors

Arlan Faritovich Sagirov

Timofey Vladimirovich Sergeev

Aleksandr Vladimirovich Shabrov

Andrey Yurevich Yurov

Nadezhda Leonidovna Guseva

Elizaveta Aleksandrovna Agapova

Affiliations

Soon will be listed here.

Abstract

This review focuses on the effects of different body positions on intracranial fluid dynamics, including cerebral arterial and venous flow, cerebrospinal fluid (CSF) hydrodynamics, and intracranial pressure (ICP). It also discusses research methods used to quantify these effects. Specifically, the implications of three types of body positions (orthostatic, supine, and antiorthostatic) on cerebral blood flow, venous outflow, and CSF circulation are explored, with a particular emphasis on cerebrovascular autoregulation during microgravity and head-down tilt (HDT), as well as posture-dependent changes in cerebral venous and CSF flow, ICP, and intracranial compliance (ICC). The review aims to provide a comprehensive analysis of intracranial fluid dynamics during different body positions, with the potential to enhance our understanding of intracranial and craniospinal physiology.

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