Heart Sound: Severe Aortic Stenosis
Listen to heart of patient with a severely diseased aortic valve.
Aortic Stenosis is a progressive disease, no matter what stage your patient is at, they will need regular echo to ensure timely treatment.
If you have a patient with signs consistent with heart failure...this requires an urgent echo.
Planning for aortic valve replacement (AVR) as soon as symptoms occur gives SAS patients a significantly better chance at survival. Without proper and timely intervention, your SAS patient's risk of death increases.1,2
Refer back to GP, although reasonable to repeat echo in 5 years if clinically appropriate (particularly in younger patients, rheumatic valvular heart disease, renal disease).Ten per cent of aortic sclerosis < 2.5 m/s may progress to severe AS in 5 years (3).
Consider 1 year follow up scan in initial diagnosis of moderate aortic stenosis to determine rate of progression. Otherwise surveillance echo in 2 years.
Without change in symptoms surveillance echo within one year.
Progression of aortic valve disease and LV size / function are relevant independent criteria to consider.3
Aortic Stenosis is a mechanical problem, that needs a mechanical solution
Tavi & Surgery are well established treatment options for your patients.
ACC guidelines suggest TAVI & Surgery are considerations for your symptomatic patients between 65-80. European guidelines suggest patients over 75, should be recommended for TAVI.5
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References: 1. Otto CM. Timing of aortic valve surgery. Heart. 2000;84:211-18. 2. Malaisrie SC, McDonald E, Kruse J, et al. Mortality While Waiting for Aortic Valve Replacement. Ann Thorac Surg 2014;98:1564-71. 3. APPROPRIATENESS GUIDELINE FOR ADULT ECHOCARDIOGRAPHY (NEW ZEALAND) A. Sasse, T. O’Meeghan, R. Anscombe, C. Goggin, N. van Pelt 4. Barnhart GR, Martin RP, Thomas JD, McCarthy PM. The need for echocardiography alerts for aortic stenosis: the time has come. Journal of the American Society of Echocardiography. 2020 Mar 1;33(3):355-7. 5. 2021 ESC/EACTS Guidelines for the management of valvular heart disease, European Heart Journal (2022) 43, 561–632