From Macrohemodynamic to the Microcirculation

ICU patients need a prompt normalization of macrohemodynamic parameters. Unfortunately, this optimization sometimes does not protect patients from organ failure development. Prevention or treatment of organ failure needs another target to be pursued: the microcirculatory restoration. Microcirculati...

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Main Authors: Abele Donati, Roberta Domizi, Elisa Damiani, Erica Adrario, Paolo Pelaia, Can Ince
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Critical Care Research and Practice
Online Access:http://dx.doi.org/10.1155/2013/892710
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author Abele Donati
Roberta Domizi
Elisa Damiani
Erica Adrario
Paolo Pelaia
Can Ince
author_facet Abele Donati
Roberta Domizi
Elisa Damiani
Erica Adrario
Paolo Pelaia
Can Ince
author_sort Abele Donati
collection DOAJ
description ICU patients need a prompt normalization of macrohemodynamic parameters. Unfortunately, this optimization sometimes does not protect patients from organ failure development. Prevention or treatment of organ failure needs another target to be pursued: the microcirculatory restoration. Microcirculation is the ensemble of vessels of maximum 100 m in diameter. Nowadays the Sidestream Dark Field (SDF) imaging technique allows its bedside investigation and a recent round-table conference established the criteria for its evaluation. First, microcirculatory derangements have been studied in sepsis: they are mainly characterized by a reduction of vessel density, an alteration of flow, and a heterogeneous distribution of perfusion. Endothelial malfunction and glycocalyx rupture were proved to be the main reasons for the observed microthrombi, capillary leakage, leukocyte rolling, and rouleaux phenomenon, even if further studies are necessary for a better explanation. Therapeutic approaches targeting microcirculation are under investigation. Microcirculatory alterations have been recently demonstrated in other diseases such as hypovolemia and cardiac failure but this issue still needs to be explored. The aim of this paper is to gather the already known information, focus the reader’s attention on the importance of microvascular physiopathology in critical illness, and prompt him to actively participate to achieve a more comprehensive understanding of the issue.
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spelling doaj-art-593ba5e2360944cd8f8d201a3c7d41612025-08-20T02:05:21ZengWileyCritical Care Research and Practice2090-13052090-13132013-01-01201310.1155/2013/892710892710From Macrohemodynamic to the MicrocirculationAbele Donati0Roberta Domizi1Elisa Damiani2Erica Adrario3Paolo Pelaia4Can Ince5Sezione di Anestesia e Rianimazione, Dipartimento di Scienze Biomediche e Sanità Pubblica, Università Politecnica delle Marche, Ancona, Via Tronto 10, 60020 Torrette (Ancona), ItalySezione di Anestesia e Rianimazione, Dipartimento di Scienze Biomediche e Sanità Pubblica, Università Politecnica delle Marche, Ancona, Via Tronto 10, 60020 Torrette (Ancona), ItalySezione di Anestesia e Rianimazione, Dipartimento di Scienze Biomediche e Sanità Pubblica, Università Politecnica delle Marche, Ancona, Via Tronto 10, 60020 Torrette (Ancona), ItalySezione di Anestesia e Rianimazione, Dipartimento di Scienze Biomediche e Sanità Pubblica, Università Politecnica delle Marche, Ancona, Via Tronto 10, 60020 Torrette (Ancona), ItalySezione di Anestesia e Rianimazione, Dipartimento di Scienze Biomediche e Sanità Pubblica, Università Politecnica delle Marche, Ancona, Via Tronto 10, 60020 Torrette (Ancona), ItalyDepartment of Translational Physiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The NetherlandsICU patients need a prompt normalization of macrohemodynamic parameters. Unfortunately, this optimization sometimes does not protect patients from organ failure development. Prevention or treatment of organ failure needs another target to be pursued: the microcirculatory restoration. Microcirculation is the ensemble of vessels of maximum 100 m in diameter. Nowadays the Sidestream Dark Field (SDF) imaging technique allows its bedside investigation and a recent round-table conference established the criteria for its evaluation. First, microcirculatory derangements have been studied in sepsis: they are mainly characterized by a reduction of vessel density, an alteration of flow, and a heterogeneous distribution of perfusion. Endothelial malfunction and glycocalyx rupture were proved to be the main reasons for the observed microthrombi, capillary leakage, leukocyte rolling, and rouleaux phenomenon, even if further studies are necessary for a better explanation. Therapeutic approaches targeting microcirculation are under investigation. Microcirculatory alterations have been recently demonstrated in other diseases such as hypovolemia and cardiac failure but this issue still needs to be explored. The aim of this paper is to gather the already known information, focus the reader’s attention on the importance of microvascular physiopathology in critical illness, and prompt him to actively participate to achieve a more comprehensive understanding of the issue.http://dx.doi.org/10.1155/2013/892710
spellingShingle Abele Donati
Roberta Domizi
Elisa Damiani
Erica Adrario
Paolo Pelaia
Can Ince
From Macrohemodynamic to the Microcirculation
Critical Care Research and Practice
title From Macrohemodynamic to the Microcirculation
title_full From Macrohemodynamic to the Microcirculation
title_fullStr From Macrohemodynamic to the Microcirculation
title_full_unstemmed From Macrohemodynamic to the Microcirculation
title_short From Macrohemodynamic to the Microcirculation
title_sort from macrohemodynamic to the microcirculation
url http://dx.doi.org/10.1155/2013/892710
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