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Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement
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Assessment and management of aortic valve disease in patients with left ventricular dysfunction

Mackram F Eleid1, Sunil Mankad, Paul Sorajja

  • 1Division of Cardiovascular Diseases, Department of Internal Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA.

Heart Failure Reviews
|March 22, 2012
PubMed

Insights

Patients with aortic stenosis or regurgitation and symptoms or left ventricular dysfunction have a poor prognosis. Aortic valve surgery benefits these patients, improving outcomes regardless of ventricular dysfunction severity.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Diagnostic Imaging

Background:

  • Aortic stenosis and regurgitation significantly impact prognosis, especially with symptoms or left ventricular dysfunction.
  • Echocardiography is the primary diagnostic tool for evaluating aortic valve disease.

Purpose of the Study:

  • To outline the diagnostic and therapeutic strategies for aortic stenosis and regurgitation.
  • To emphasize the importance of timely surgical intervention for severe aortic valve disease.

Main Methods:

  • Echocardiography for initial assessment of aortic valvular lesions.
  • Cardiac catheterization to resolve discrepancies between clinical findings and echocardiography.
  • Dobutamine stress echocardiography for differentiating true aortic stenosis in low-gradient, low-output cases.

Main Results:

  • Discrepancies between clinical assessment and echocardiography in symptomatic patients or those with LV dysfunction warrant cardiac catheterization.
  • Dobutamine provocation is crucial for diagnosing severe aortic stenosis in specific low-flow conditions.
  • Aortic valve surgery effectively improves myocardial performance by reducing afterload.

Conclusions:

  • Severe aortic stenosis and regurgitation require surgical intervention for improved myocardial performance.
  • Surgical intervention should be considered irrespective of the degree of left ventricular dysfunction in severe aortic valve disease.

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