Aortic Root Enlargement

  • A. Parsee
  • J. PriceEmail author


The goal of aortic valve replacement (AVR) for aortic stenosis is to relieve transvalvular gradients in order to increase survival and improve symptoms. Occasionally however, the prosthesis that is accommodated by the native aortic annulus may not in fact result in the absence of significant gradients. When the aortic annulus is small, it may not accommodate a prosthesis that will provide an optimal effective orifice area (EOA) relative to the patient’s body size, and a situation referred to as patient-prosthesis mismatch (PPM) will result if no other surgical techniques are employed to implant a larger valve.


Effective orifice area Patient-prosthesis mismatch Nicks procedure Manouguian procedure Aortotomy Konno-Rastan aortoventriculoplasty 


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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Robert Larner, M.D. College of Medicine at The University of VermontBurlingtonUSA
  2. 2.University of British ColumbiaVancouverCanada

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