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Related Concept Videos

Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

549
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
549
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
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Related Experiment Video

Updated: Mar 29, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Optimizing Aortic Valve Replacement Through Strategic Upsizing: A Modern Framework for Lifetime Valve Management.

Dimitrios E Magouliotis1, Vasiliki Androutsopoulou2, Andrew Xanthopoulos3

  • 1Department of Cardiac Surgery Research, Lankenau Institute for Medical Research, Wynnewood, PA 19096, USA.

Diseases (Basel, Switzerland)
|March 27, 2026
PubMed
Summary

Optimizing aortic valve replacement by upsizing prostheses reduces prosthesis-patient mismatch (PPM) and improves long-term outcomes. Aortic annular enlargement (AAE) techniques enable larger valve implantation, enhancing hemodynamic performance and future procedural options.

Keywords:
aortic annular enlargementaortic valve replacementlifetime valve managementprosthesis–patient mismatchvalve-in-valve TAVR

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Area of Science:

  • Cardiovascular Surgery
  • Cardiac Surgery
  • Medical Devices

Background:

  • Aortic valve disease is a chronic, progressive condition where initial intervention impacts future options.
  • Prosthesis-patient mismatch (PPM), from small valve implants, leads to adverse outcomes, including reduced survival and poor valve-in-valve (ViV) results.

Purpose of the Study:

  • To review evidence supporting aortic annular enlargement (AAE) for valve upsizing in aortic valve replacement.
  • To emphasize the importance of optimizing valve size for immediate hemodynamics and long-term management.

Main Methods:

  • Review of clinical, imaging, and computational fluid dynamics evidence.
  • Analysis of contemporary aortic annular enlargement techniques (e.g., Y-incision, roof reconstruction).

Main Results:

  • AAE safely expands the aortic root, allowing larger prosthesis implantation and significantly reducing PPM risk.
  • Annular and root enlargement improve postoperative flow dynamics, lowering velocities and pressure gradients.
  • Optimized valve diameter is crucial for both immediate performance and future procedural success.

Conclusions:

  • Valve upsizing, facilitated by AAE, should be a central principle in aortic valve replacement for improved short- and long-term outcomes.
  • Systematic approaches to assessment, sizing, PPM surveillance, and ViV preparedness enhance patient management.
  • AAE improves hemodynamic performance and future procedural options in aortic valve replacement.