Abstract

Fluid retention is a common and challenging condition in daily clinical practice. The normal fluid homoeostasis in the human body is based on accurately counter-balanced physiological mechanisms. When compromised fluid retention occurs and is seen in pathophysiologically different conditions such as liver cirrhosis, heart and kidney failure, and in preeclampsia. These conditions may share pathophysiological mechanisms such as functional arterial underfilling, which seems to be a mutual element in cirrhosis, cardiac failure, cardiorenal and hepatorenal syndromes, and in pregnancy. However, there are also distinct differences and it is still unclear whether kidney dysfunction or arterial underfilling is the initiating factor of fluid retention or if they happen simultaneously. This review focuses on similarities and differences in water retaining conditions and points to areas where important knowledge is still needed.

Original languageEnglish
JournalClinical Physiology and Functional Imaging
Volume40
Issue number2
Pages (from-to)67-75
Number of pages9
ISSN1475-0961
DOIs
Publication statusPublished - Mar 2020

Keywords

  • arterial vasodilatation hypothesis
  • effective arterial blood volume
  • fluid homoeostasis
  • fluid retention
  • hyperdynamic circulation

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