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Clinical Trials

Exercise Hemodynamics in Patients Undergoing Aortic Valve Replacement Using the Hancock II Bioprosthesis

The purpose of this study is to evaluate whether or not the Hancock II aortic valve will affect the patient’s ability to exercise and carry out daily activities after heart surgery.

The Hancock II valve is an FDA approved valve. It is a stented, porcine valve. It has been used now for over 15 years. For the purposes of this study it is considered investigational in order to collect pre and post operative bicycle breathing data along with echocardiograms while exercising.

Hancock II Bioprothsthesis Heart Valve and Stent Design

Eligibility for enrollment:

  1. The need for replacement of the aortic valve
  2. Able to sign an informed consent

Primary Investigators: Robbin G. Cohen, MD, Shelly Shapiro, MD

Co-Investigators: Vaughn A. Starnes, MD, Mark J. Cunningham, MD, Steven Haddy, MD, Tony Hodges, MD



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