Representative effective dose valve (mSv) Representative effective dose valve (mSv) Chest X-ray PA and lateral 0.1 0.05–0.24 Diagnostic invasive coronary angiography 7 2–16 Coronary CT angiography 64-slice MDCT, retrospective…
Fig. 35.1 Mitral valve (long arrow) and aortic valve (short arrow) in view. Note the minimal leaflet excursion of the aortic valve cusps Fig. 35.2 Moderate aortic regurgitation prior to…
1. Non-ionizing radiation 2. Noninvasive method 3. Image acquisition in any plane 4. Vessel analysis and flow quantification especially in stenotic areas in terms of peak velocity and pressure gradient…
Fig. 32.1 Incidence of structural valve degeneration (SVD) with surgical bioprosthetic valves Fig. 32.2 One-year outcome results from the Global Valve-in-Valve Registry (n = 78). AV aortic valve, NYHA New York Heart…
Fig. 36.1 Assessment of prosthesis positioning relative to the left coronary ostium and aortic annulus by MDCT. MDCT enables the visualization of the position of the prosthetic valve in relation…
Fig. 34.1 (a) Balloon valvuloplasty of the native aortic valve. The balloon filled with diluted radiocontrast is seen extending from the left ventricular outflow tract to the aortic root. The…
Risk assessment Hemodynamic emergencies Aortic annulus Aortic root and coronary arteries Aortic root morphology Ectopic calcification Wire position Mitral valve apparatus Left ventricular size and function Balloon aortic valvuloplasty Positioning…
Fig. 37.1 Cone beam angiography with three-dimensional reconstruction of sheep arch anatomy in contralateral projections Table 37.1 Current indications for preclinical TAVR evaluation Delivery system evaluation (acute studies: nonpermanent implant)…
Fig. 18.1 A 72-year-old male, with a 40 pack-year smoking history. MDCT demonstrates severe centrilobular emphysema on the lung algorithm image Evaluation of Bony Structures Incidentally discovered thoracolumbar vertebral compression…
Mitral regurgitation Occurs in 60–90 % of patients with aortic stenosis Generally reduced after aortic valve replacement Early data indicate no increased mortality in patients with versus without mitral regurgitation…
