1. Use of Negative Extrathoracic Pressure to Improve Hemodynamics After Cardiac Surgery 
Rakesh K. Chaturvedi, MD, PhD, Arnold A. Zidulka, MD, FRCP, Peter Goldberg, MD, FRCP, Benoit deVarennes, MD, FRCS, Sameena Iqbal, MD, FRCP, Elham Rahme, PhD, Kevin Lachapelle, MD, FRCS 
The Annals of Thoracic Surgery 
Volume 85, Issue 4, Pages (April 2008)
DOI: /j.athoracsur
Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
Mean ± SD of cardiac index with different modes of ventilation. (CNP = continuous negative pressure; PEEP = positive end-expiratory pressure.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
Mean ± SD of stroke volume index with different modes of ventilation. (CNP = continuous negative pressure; PEEP = positive end-expiratory pressure.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2008 The Society of Thoracic Surgeons Terms and Conditions