Why the study?
Does the choice of bioprosthesis (pericardial vs porcine) affect long-term survival and hemodynamics in patients undergoing isolated aortic valve replacement?
Does the choice of bioprosthesis (pericardial vs porcine) affect long-term survival and hemodynamics in patients undergoing isolated aortic valve replacement?
Both pericardial and porcine bioprostheses offer excellent and comparable long-term survival after isolated aortic valve replacement, despite higher transvalvular gradients with porcine valves.
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Comparable survival supports either bioprosthesis in isolated AVR; leaves open whether higher gradients with porcine valves affect durability.
Andreas et al. (2014) studied this question.
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