Title

Performance assessment of prosthetic heart valves using the energy index method

Document Type

Conference Proceeding

Publication Date

12-1-1994

Department

Mechanical Engineering

Abstract

In the study, proposed is the Energy Index method which presents the user with a single parameter that is physically meaningful and encompasses characteristics of the valve's behavior both during the forward and during the closure and closed stages of the cardiac cycle. The Energy Index is the ratio of the total hydraulic energy delivered across a value, THED, to the energy available upstream of said value. The use of the Energy Index Method requires on-line measurement of the transvalvular flow rate and pressure drop.

First Page

299

Last Page

300

Publication Title

American Society of Mechanical Engineers, Bioengineering Division (Publication) BED

Comments

At the time of publication, Richard T. Schoephoerster was affiliated with Florida International University.

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