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Cavoaortic shunt improves hemodynamics with preserved oxygen delivery in experimental right ventricular failure during left ventricular assist device.

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Presentation on theme: "Cavoaortic shunt improves hemodynamics with preserved oxygen delivery in experimental right ventricular failure during left ventricular assist device."— Presentation transcript:

1 Cavoaortic shunt improves hemodynamics with preserved oxygen delivery in experimental right ventricular failure during left ventricular assist device therapy  Per Vikholm, MD, Petter Schiller, MD, Jakob Johansson, MD, PhD, Laila Hellgren, MD, PhD  The Journal of Thoracic and Cardiovascular Surgery  Volume 147, Issue 2, Pages (February 2014) DOI: /j.jtcvs Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

2 Figure 1 Animal preparation and flow chart of the experimental protocol in the model of right ventricular failure in pigs (n = 10). An LVAD was implanted and a cavoaortic shunt was created from the right atrium (the cannulas into the superior vena cava) to the aorta. LVAD, Left ventricular assist device. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

3 Figure 2 Right atrial and right ventricular pressures at baseline, RV failure, LVAD, and LVAD + cavoaortic shunt (n = 10). RAP, Right atrial pressure; DRVP, diastolic right ventricular pressure; SRVP, systolic right ventricular pressure; LVAD, left ventricular assist device. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

4 Figure 3 Systemic oxygen saturation (arterial and venous) at baseline, right ventricular failure, LVAD, and LVAD + cavoaortic shunt (n = 10). Sao2, Arterial oxygen saturation; Svo2, venous oxygen saturation; LVAD, left ventricular assist device. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

5 Figure 4 Oxygen delivery (Do2) and oxygen consumption (Vo2) at baseline, right ventricular failure, LVAD, and LVAD + cavoaortic shunt (n = 10). LVAD, Left ventricular assist device. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

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