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Intensive Care Medicine
Published in: Intensive Care Medicine 4/2007

01-04-2007 | Original

Prolonged lateral steep position impairs respiratory mechanics during continuous lateral rotation therapy in respiratory failure

Authors: Peter Schellongowski, Heidrun Losert, Gottfried J. Locker, Klaus Laczika, Michael Frass, Ulrike Holzinger, Andja Bojic, Thomas Staudinger

Published in: Intensive Care Medicine | Issue 4/2007

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Abstract

Objective

To establish whether prolonged lateral steep position during continuous rotation therapy leads to improvement on pulmonary gas exchange, respiratory mechanics and hemodynamics.

Design

Prospective observational study.

Setting

Intensive care unit of a university hospital.

Patients

Twelve consecutive patients suffering from acute lung injury or adult respiratory distress syndrome undergoing continuous rotation therapy.

Interventions

Blood gas analysis, static lung compliance, blood pressure, cardiac index and pulmonary shunt fraction were measured in supine as well as in left and right lateral steep position at 62° during continuous rotation therapy (phase I). Rotation was then stopped for 30 min with the patients in supine position, left and right lateral steep position, and the same measurements were performed every 10 min (phase II).

Measurements and results

Phase I and II revealed no significant changes in PaO2/FiO2 ratio, mean arterial blood pressure, pulmonary shunt fraction, or cardiac index. Significantly lower static compliance was observed in lateral steep position than in supine position (p < 0.001). Concomitantly, PaCO2 was significantly lower in supine position than in left and right lateral steep position (p < 0.01).

Conclusions

Lateral steep positioning impairs the compliance of the respiratory system. Prolonged lateral steep position does not lead to benefits with respect to oxygenation or hemodynamics. Individual response to the different positions is unpredictable. The pauses in “extreme” positions should be as short as possible.
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Metadata
Title
Prolonged lateral steep position impairs respiratory mechanics during continuous lateral rotation therapy in respiratory failure
Authors
Peter Schellongowski
Heidrun Losert
Gottfried J. Locker
Klaus Laczika
Michael Frass
Ulrike Holzinger
Andja Bojic
Thomas Staudinger
Publication date
01-04-2007
Publisher
Springer-Verlag
Published in
Intensive Care Medicine / Issue 4/2007
Print ISSN: 0342-4642
Electronic ISSN: 1432-1238
DOI
https://doi.org/10.1007/s00134-006-0513-y

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