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Lung protective mechanical ventilation strategies in cardiothoracic critical care: a retrospective study

Authors Zochios V, Hague M, Giraud K, Jones N

Received 12 September 2016

Accepted for publication 20 October 2016

Published 11 November 2016 Volume 2016:9 Pages 415—418


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser

Vasileios Zochios,1–3 Matthew Hague,3,4 Kimberly Giraud,5 Nicola Jones3

1Department of Intensive Care Medicine, Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, 2Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, 3Department of Anesthesia and Intensive Care Medicine, Papworth Hospital NHS Foundation Trust, Papworth Everard, Cambridge, 4Department of Medicine, Colchester Hospital University NHS Foundation Trust, Colchester General Hospital, Colchester, 5Research and Development Department, Papworth Hospital NHS Foundation Trust, Papworth Everard, Cambridge, UK

Abstract: A body of evidence supports the use of low tidal volumes in ventilated patients without lung pathology to slow progress to acute respiratory distress syndrome (ARDS) due to ventilator associated lung injury. We undertook a retrospective chart review and tested the hypothesis that tidal volume is a predictor of mortality in cardiothoracic (medical and surgical) critical care patients receiving invasive mechanical ventilation. Independent predictors of mortality in our study included: type of surgery, albumin, H+, bilirubin, and fluid balance. In particular, it is important to note that cardiac, thoracic, and transplant surgical patients were associated with lower mortality. However, our study did not sample equally from The Berlin Definition of ARDS severity categories (mild, moderate, and severe hypoxemia). Although our study was not adequately powered to detect a difference in mortality between these groups, it will inform the development of a large prospective cohort study exploring the role of low tidal volume ventilation in cardiothoracic critically ill patients.

Keywords: lung protective ventilation, cardiothoracic critical care, acute respiratory distress syndrome, invasive mechanical ventilation

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