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Published in: Annals of Intensive Care 1/2017

Open Access 01-12-2017 | Research

Association between elevated central venous pressure and outcomes in critically ill patients

Authors: Dong-kai Li, Xiao-ting Wang, Da-wei Liu

Published in: Annals of Intensive Care | Issue 1/2017

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Abstract

Background

Some prior studies have shown that elevated mean central venous pressure in certain patient populations and disease processes may lead to poor prognosis. However, these studies failed to generalize the concept of elevated central venous pressure (ECVP) load to all patients in critical care settings because of the limited cases and exclusive cohorts. The aim of the study was to investigate the association between elevated central venous pressure and outcomes in critical care.

Methods

We performed a retrospective analysis on a single-center public database (MIMIC) of more than 9000 patients and more than 500,000 records of central venous pressure measurement. We evaluated the association between mean central venous pressure level and 28-day mortality after intensive care unit admission. The secondary outcomes were duration of mechanical ventilation, vasoactive drug use, laboratory results related to organ dysfunction and length of intensive care unit hospitalization. Accordingly, we proposed the concept of ECVP10 (the time sum of CVP above 10 mmHg) and investigated its association with outcome.

Results

There were 1645 deaths at 28 days after admission. Compared with the lowest quartile of mean central venous pressure [mean (SD) 7.4 (1.9) mmHg], the highest quartile [17.4 (4.1) mmHg] was associated with a 33.6% (95% CI 1.117–1.599) higher adjusted risk of death. Poor secondary outcomes were also associated with higher quartiles of elevated mean central venous pressure. After stratification by mean central venous pressure, elevated duration of central venous pressure above 10 mmHg was significantly higher in the non-survival group than in the survival group.

Conclusions

Elevated central venous pressure level correlated with poor outcomes and prolonged treatment in critical care settings. Level and duration of elevated central venous pressure should be both evaluated to establish its cause and apply appropriate treatment.
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Metadata
Title
Association between elevated central venous pressure and outcomes in critically ill patients
Authors
Dong-kai Li
Xiao-ting Wang
Da-wei Liu
Publication date
01-12-2017
Publisher
Springer International Publishing
Published in
Annals of Intensive Care / Issue 1/2017
Electronic ISSN: 2110-5820
DOI
https://doi.org/10.1186/s13613-017-0306-1

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