Assessment of the influence of the compliant aortic root on aortic valve mechanics by means of a geometrical model

Brewer, 1976, The dynamic aortic root: its role in aortic valve function, J. Thorac. Cardiovasc. Surg., 72, 413, 10.1016/S0022-5223(19)40069-X Lockie, 1993, Geometry of homograft valve leaflets: effect of dilatation of the aorta and of the aortic root, Ann. Thorac. Surg., 56, 125, 10.1016/0003-4975(93)90415-E Veseley, 1994, An optimal mounting frame to reduce flexural stresses of bioprosthetic heart valves, ASAIO J., 40, 199, 10.1097/00002480-199440020-00014 Ross, 1989, The versatile homograft and autograft valve, Ann. Thorac. Surg., 48, S69, 10.1016/0003-4975(89)90644-9 Angell, 1989, Durability of the viable aortic allograft, J. Thorac. Cardiovasc. Surg., 98, 48, 10.1016/S0022-5223(19)34460-5 David, 1990, Aortic valve replacement with stentless porcine aortic bioprosthesis, J. Thorac. Cardiovasc. Surg., 99, 113, 10.1016/S0022-5223(19)35640-5 Jaffe, 1990, Rest and exercise hemodynamics of 20 to 23mm allograft, Medtronic intact (porcine), and St Jude Medical valves in the aortic position, J. Thorac. Cardiovasc. Surg., 100, 167, 10.1016/S0022-5223(19)35554-0 Knott-Craig, 1994, Homograft replacement of the aortic valve and root as a functional unit, Ann. Thorac. Surg., 57, 1501, 10.1016/0003-4975(94)90109-0 Donatelli, 1994, Rest and exercise hemodynamics of stentless porcine bioprostheses in aortic position, Cardiologia, 39, 41 Sievers, 1991, Unstented and partial stented bioprostheses for aortic valve replacement — up to 6 years of follow-up, J. Cardiac. Surg., 6, 600, 10.1111/jocs.1991.6.4s.600 Gallo, 1988, Comparative study of primary tissue failure between porcine (Hancock and Carpentier–Edwards) and bovine pericardial (Ionescu–Shiley) bioprostheses in the aortic position at five- to nine-year follow-up, Am. J. Cardiol., 61, 812, 10.1016/0002-9149(88)91072-7 Teoh, 1989, Relation of calcification to torn leaflets of spontaneously degenerated porcine bioprosthetic valve failure. Ten-year follow-up, Circulation, 80, I8 Butterfield, 1990, Leaflet geometry and function in porcine bioprostheses, Eur. J. Cardio-thorac. Surg., 5, 27, 10.1016/1010-7940(91)90079-Y Thubrikar, 1981, The design of the normal aortic valve, Am. J. Physiol., 241, H795 Ghista, 1977, Optimal prosthetic aortic leaflet valve: design parametric and longevity analyses: development of the avcothane-51 leaflet valve based on the optimum design analysis, J. Biomechanics, 10, 313, 10.1016/0021-9290(77)90004-5 Thubrikar, M., The aortic valve. CRC Press, Boca Raton, FL, 1990. Thubrikar, 1979, The mechanism of opening of the aortic valve, J. Thorac. Cardiovasc. Surg., 77, 863, 10.1016/S0022-5223(19)38191-7 Deck, 1988, Structure, stress, and tissue repair in aortic valve leaflets, Cardiovasc. Res., 22, 7, 10.1093/cvr/22.1.7 Swanson, 1974, Dimensions and geometric relationships of the human aortic valve as a function of pressure, Circ. Res., 35, 871, 10.1161/01.RES.35.6.871 Mayne, 1989, An assessment of the mechanical properties of leaflets from four second-generation porcine bioprostheses with biaxial testing techniques, J. Thorac. Cardiovasc. Surg., 98, 170, 10.1016/S0022-5223(19)34407-1 Mavrilas, 1991, An approach to the optimization of preparation of bioprosthetic heart valves, J. Biomechanics, 24, 331, 10.1016/0021-9290(91)90351-M Christie, G. W. and Medland, I. C. A non linear finite element stress analysis of bioproshetic heart valves. In Finite Elements in Biomechanics, ed. R. H. Ghallager, B. R. Simon, P. C. Johnson and J. F. Gross. John Wiley, New York, 1982, pp.153–179.