Why the study?
Does the Mitroflow prosthesis compared to the Perimount prosthesis improve postoperative pressure gradients in patients undergoing isolated aortic valve replacement?
Population
701 patients who received an isolated Perimount or Mitroflow pericardial aortic prosthesis between January…
Comparison
Mitroflow pericardial aortic prosthesis vs Perimount pericardial aortic prosthesis
Design
Cohort
Follow-up
at discharge
Authors
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May favor Perimount over Mitroflow for lower gradients in 23 mm annuli; leaves open effects of manufacturer sizing on hemodynamics.
Does the Mitroflow prosthesis compared to the Perimount prosthesis improve postoperative pressure gradients in patients undergoing isolated aortic valve replacement?
Differences in manufacturer sizing strategies can negate potential hemodynamic design advantages of stented tissue valves, emphasizing the need for optimal sizing techniques like replica sizing.
Diab et al. (2013) studied this question.
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