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Related Experiment Videos

Ross procedure and left ventricular mass regression.

Lennart F Duebener1, Ulrich Stierle, Armin Erasmi

  • 1Department of Cardiac Surgery, University Hospital of Schleswig-Holstein, Campus Luebeck, Germany.

Circulation
|September 15, 2005
PubMed
Summary
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The Ross procedure effectively reduces left ventricular mass after aortic valve replacement. However, smoking and hypertension can hinder complete regression, highlighting the need for lifestyle management post-surgery.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Imaging

Background:

  • Left ventricular mass normalization is a key indicator of successful aortic valve replacement.
  • The Ross procedure offers near-normal hemodynamics, facilitating studies on left ventricular reverse remodeling.
  • Surgical technique, specifically subcoronary (SC) versus root replacement (RR), may impact left ventricular mass regression.

Purpose of the Study:

  • To compare left ventricular mass regression after the Ross procedure using subcoronary versus root replacement techniques.
  • To identify predictors of incomplete left ventricular mass regression following the Ross procedure.

Main Methods:

  • Analysis of data from the German Ross Registry, including 646 patients who underwent the Ross procedure between 1990 and 2004.

Related Experiment Videos

  • Preoperative and postoperative echocardiographic evaluations to assess left ventricular mass index (LVMI).
  • Multivariate analysis to determine factors influencing LVMI regression at a mean follow-up of 3.5 years.

    • Main Results:

    • Significant decrease in LVMI observed in both SC and RR groups post-procedure (P<0.01).
    • LVMI regression plateaued by 1-year follow-up in most patients.
    • High preoperative LVMI, smoking, and uncontrolled diastolic hypertension were predictors of incomplete LVMI regression.

    Conclusions:

    • The Ross procedure leads to favorable autograft hemodynamics and LVMI reduction at mid-term follow-up.
    • Smoking cessation and management of arterial hypertension are crucial for optimizing postoperative outcomes and complete LVMI regression.
    • These findings underscore the importance of lifestyle modifications in patients with corrected aortic valve disease, irrespective of age.