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Heart Bypass Surgery

Data on heart bypass surgery discussed by H.W. Zhao and colleagues

Published in Cardiovascular Device Liability Week, July 13th, 2008

" Right ventricular function plays an important role in the hemodynamic derangement during off-pump coronary artery bypass (OPCAB) surgery. Pressure-volume loops have been shown to provide load-independent information of cardiac function," scientists in Beijing, People's Republic of China report.

"Therefore, the aim of this study was to investigate the feasibility of construction of right ventricular pressure-volume loops with pressure and volume data measured by a volumetric pulmonary artery catheter (PAC) and to evaluate right ventricular systolic and diastolic function by end-systolic elastance (E-ES) and end-diastolic stiffness (E-ED) in OPCAB surgery. Twenty-eight...

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