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Intensive Care Medicine

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01-08-2003 | Original

Do lung recruitment maneuvers decrease gastric mucosal perfusion?

Authors: J. Claesson, S. Lehtipalo, O. Winsö

Published in: Intensive Care Medicine | Issue 8/2003

Abstract

Objective

To evaluate effects of lung recruitment maneuvers on gastric mucosal perfusion, systemic circulation, and lung mechanics in patients with acute lung injury.

Design

Prospective observational clinical study.

Setting

General intensive care unit of university hospital.

Patients and participants

Fourteen patients with acute lung injury (ten in the main study group and four in a validation group).

Interventions

Three 2-min-long recruitment maneuvers (RM) with transient increases in mean airway pressure to 35 cmH₂O (RM1 and RM2) and 44 cmH₂O (RM3).

Measurements and results

Measurements of systemic hemodynamics, gastric mucosal perfusion (laser Doppler flowmetry), and lung mechanics were performed immediately before, at the end of, and 3 min after each RM. Cardiac index decreased during all RMs while mean arterial pressure decreased only during RM3. Gastric mucosal perfusion was not significantly changed during any of the RMs. When comparing values obtained before the first RM with values after the third RM there was a significant decrease in cardiac index (P=0.043) and a non-significant (P=0.051) decrease in gastric mucosal perfusion. There were no significant changes in systemic oxygenation or lung mechanics after three RMs, even though four patients showed marked transient increases in systemic oxygenation during RMs.

Conclusions

In this study of ten patients there were no significant changes in gastric mucosal perfusion during lung recruitment maneuvers. There was, however, a trend towards gradual decreases in gastric mucosal perfusion.

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Title: Do lung recruitment maneuvers decrease gastric mucosal perfusion?
Authors: J. Claesson
S. Lehtipalo
O. Winsö
Publication date: 01-08-2003
Publisher: Springer-Verlag
Published in: Intensive Care Medicine / Issue 8/2003
Print ISSN: 0342-4642
Electronic ISSN: 1432-1238
DOI: https://doi.org/10.1007/s00134-003-1830-z

At a glance: The STEP trials

Springer Medicine

Do lung recruitment maneuvers decrease gastric mucosal perfusion?

Abstract

Objective

Design

Setting

Patients and participants

Interventions

Measurements and results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Objective

Design

Setting

Patients and participants

Interventions

Measurements and results

Conclusions

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