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Intraaortic balloon pumping for predominantly right ventricular failure after heart transplantation
Osama E Arafa, MD, Odd R Geiran, MD, PhD, Kai Andersen, MD, PhD, Erik Fosse, MD, PhD, Svein Simonsen, MD, PhD, Jan L Svennevig, MD, PhD The Annals of Thoracic Surgery Volume 70, Issue 5, Pages (November 2000) DOI: /S (00)
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Fig 1 Hemodynamic measurements before and 1 and 12 hours after intraaortic balloon counterpulsation (IABP) insertion. (A) Cardiac index (CI) improved in all patients. (B) Central venous pressure (CVP) decreased significantly within the first hour after IABP insertion. (C) Pulmonary artery wedge pressure (PAWP) remained unchanged after IABP insertion. (D) Mean pulmonary artery pressure (PAP) decreased significantly over the first 12 hours after IABP insertion. (E) Transpulmonary gradient (TPG = mean PAP − PAWP) normalized over the first 12 hours after IABP insertion. (F) Atrial transseptal pressure gradient (ATSP = PAWP − CVP) gradually reversed to normal during the first 12 hours of IABP treatment. (G) Pulmonary vascular resistance (PVR) decreased significantly over the first 12 hours after IABP insertion. Each symbol represents 1 of 5 patients. The Annals of Thoracic Surgery , DOI: ( /S (00) )
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Fig 1 Hemodynamic measurements before and 1 and 12 hours after intraaortic balloon counterpulsation (IABP) insertion. (A) Cardiac index (CI) improved in all patients. (B) Central venous pressure (CVP) decreased significantly within the first hour after IABP insertion. (C) Pulmonary artery wedge pressure (PAWP) remained unchanged after IABP insertion. (D) Mean pulmonary artery pressure (PAP) decreased significantly over the first 12 hours after IABP insertion. (E) Transpulmonary gradient (TPG = mean PAP − PAWP) normalized over the first 12 hours after IABP insertion. (F) Atrial transseptal pressure gradient (ATSP = PAWP − CVP) gradually reversed to normal during the first 12 hours of IABP treatment. (G) Pulmonary vascular resistance (PVR) decreased significantly over the first 12 hours after IABP insertion. Each symbol represents 1 of 5 patients. The Annals of Thoracic Surgery , DOI: ( /S (00) )
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Fig 2 (Patient 4.) Echocardiographic recordings. Two-dimensional recordings of the right ventricle (RV) and left ventricle (LV) obtained from the apical position with schematic depiction of RV end-diastolic () and end-systolic () silhouettes. The M-mode recordings (bottom panels) were made from the parasternal position. Note the inverse systolic motion of the RV free wall and the concomitant lack of interventricular septal (IVS) thickening before intraaortic balloon counterpulsation (Pre-IABP). Subsequently, RV free wall motion and IVS systolic thickening normalized as shown by the recordings performed 2 weeks later (Post-IABP). (PW = left ventricular posterior wall). The Annals of Thoracic Surgery , DOI: ( /S (00) )
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