How should I treat a patient with symptomatic severe aortic stenosis and a 23 mm aortic annulus who is referred for transcatheter aortic valve replacement using the CoreValve prosthesis?

BACKGROUND: An 89-year-old lady with severe aortic stenosis and NYHA Class III heart failure was referred for consideration of transcatheter aortic valve replacement. INVESTIGATION: TTE, TOE, MDCT, left and right heart catheterisation, peripheral angiography, aortography. DIAGNOSIS: Severe calcific aortic stenosis with 23 mm aortic annulus. TREATMENT: Transcatheter aortic valve replacement using CoreValve device.