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Related Concept Videos

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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...
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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: Nov 10, 2025

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Surgical aortic valve replacement in small aortic annulus.

Yash P Vaidya1, Shaelyn M Cavanaugh1, Aqeel A Sandhu2

  • 1Department of Surgery, SUNY Upstate Medical University, Syracuse, New York, USA.

Journal of Cardiac Surgery
|April 6, 2021
PubMed
Summary

Managing severe aortic stenosis with a small aortic annulus (SAA) is challenging. Current surgical and transcatheter aortic valve replacement (AVR) options offer benefits but require further long-term outcome assessment for optimal prosthesis selection.

Keywords:
aorta and great vesselsclinical reviewvalve repair/replacement

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Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Prosthetic Valve Technology

Background:

  • Severe aortic stenosis (AS) management typically involves aortic valve replacement (AVR).
  • A small aortic annulus (SAA) presents significant surgical challenges for standard AVR.
  • The ideal prosthetic valve for SAA patients remains an area of active research and development.

Purpose of the Study:

  • To review the surgical management of aortic stenosis in patients with a small aortic annulus.
  • To discuss current and emerging prosthetic valve options and techniques for SAA.
  • To highlight the ongoing challenges and future directions in SAA treatment.

Main Methods:

  • Comprehensive literature review.
  • Analysis of surgical techniques for aortic valve replacement in small aortic annuli.
  • Evaluation of outcomes for various prosthetic valve types and transcatheter approaches.

Main Results:

  • Stentless valves and root replacement techniques address hemodynamic issues but are technically demanding.
  • Sutureless and rapid deployment valves reduce operative time while preserving hemodynamic function.
  • Transcatheter aortic valve replacement (TAVR) shows promise for SAA patients, but long-term data are pending.

Conclusions:

  • No definitive consensus exists on the optimal prosthesis or technique for AVR in SAA.
  • Patient-specific factors, including comorbidities and anatomy, are critical for treatment planning.
  • Further long-term clinical trials are essential to guide the development of ideal prostheses and strategies.