REFERENCES

1. ANTUNES, M. J. - Bioprosthetic valve replacement in children: long-term follow-up of 135 isolated mitral valve implantation. Eur. Heart J., 5(8): 913-915, 1984.

2. ANTUNES, M.J. - Thromboembolic complication and anticoagulants: compliant versus noncompliant patient populations. In: RABACO, G. & COOLEY, D. A. Heart valve replacement & future trends in cardiac surgery. Mount Kisco, NY, Futura Publishing Co. Inc., 1987. p. 307-317.

3. ANTUNES, M. J. & SANTOS, L. P. - Performance of glutaraldehyde preserved porcine bioprosthesis as a mitral valve substitute, in a young population group. Ann. Thorac. Surg., 37(5): 387-392, 1984. [MedLine]

4. BARBOSA, M. R. - Avaliação hemodinâmica da prótese heteróloga Biocor. Arq. Bras. Cardiol., 42(2): 123-128, 1984. [MedLine]

5. BLACK, M. M. - Accelerated fatigue testing of biological tissue heart valves. Proc. ESAO, 7(2): 315-319, 1980.

6. BOLOOKI, H.; MALLON, S.; KAISER, G. A. - Failure of Hancock xenograft valve: importance of valve position (4-to 9-year follow-up). Ann. Thorac. Surg., 36(3): 246-252, 1983. [MedLine]

7. BORTOLOTTI, U.; MILANO, A.; MAZZUCCO, A. - Results of reoperation for primary tissue failure of porcine bioprostheses. J. Thorac Cardiovasc Surg., 90(4): 564-600, 1982.

8. CARPENTER, A. - Current status and the future of tissue valves. In: DURAN, C. & ANGELL, W. W. Recent progress in mitral valve disease. England, Butterworth & Co. Ltd., 1984. p. 234-243.

9. COHN, L. H.; ALFRED, E. N.; DISESA, V. J. - Early and late risk of aortic valve replacement: a 12 year concomitant comparison of the porcine bioprosthetic and tilting disc prosthetic aortic valve. J. Thorac. Cardiovasc. Surg., 88(5, Parte 1): 695-705, 1984. [MedLine]

10. COHN, L. H.; MUDGE, G. H.; PRATTER, F. - Five to eight year folow-up of patients undergoing porcine heart valve replacement. N. Engl. J. Med., 304(2): 258-262, 1981.

11. CONTI, V. R.; NISHIMURA, A.; COUGHLIN, T. R.; FARRELL, R. W. - Indications for replacement of the Beall 103 and 104 disc valves. Ann. Thorac Surg., 42(3): 315-320, 1986. [MedLine]

12. CZER, L. S. & MATLOFF, J. M. - Experience with the St. Jude valve. In: RABAGO, G. & COOLEY, D. A. Heart valve replacement & future trends in cardiac surgery. Mount Kisco, NY, Futura Publishing Co. Inc. 1987. p. 153-166.

13. EMERY, R. W.; METTLER, E.; NICOLOFF, D. M. - A new cardiac prosthesis: the St. Jude Medical cardiac valve. In vivo results. Circulation, 60(Supl. 1): 48, 1979. [MedLine]

14. FENNERTY, M. B.; PICK, R. A.; CLARK, M. A. - Outlet strut fracture of a Björk-Shiley prosthesis in the mitral position. Am. J. Cardiol., 54(10): 923-931, 1984.

15. FERNANDEZ, J.; SAMUEL, A.; YANG, S. S. - Late thrombosis of the aortic Björk-Shiley prosthesis: its clinical recognition and management. Chest, 70(1): 12-16, 1976. [MedLine]

16. FUSTER, V.; PUMPHREY, C. W.; McGOON, M. D. - Systemic thromboembolism in mitral and aortic Starr-Edwards prostheses: 10-19-year follow-up. Circulation, 66(Supl. 1): I-157-I-161, 1982.

17. GALLO, I; NISTAL, F.; REVUELTA, J. M. - Incidence or primary tissue valve failure with Ionescu-Shiley pericardial valve. J. Thorac. Cardiovasc. Surg., 90(2): 278-280, 1985. [MedLine]

18. GALLO, I.; RUIZ, B.; NISTAL, F.; DURAN, C. M. G. - Degeneration in porcine bioprosthetic cardiac valves: incidence of primary tissue failure among 938 bioprostheses at risk. Am. J. Cardiol., 53(11): 1061-1066, 1984.

19. GALLUCCI, V.; VALFRE, C.; MAZZUCCO, A. - Heart valve replacement with the Hancock bioprosthesis: a 5-11 year follow-up. In: COHN, L. H. & GALLUCCI, V. Cardiac bioprostheses: Proceedings of the Second International Symposyum. New York, Yorke Medical Books, 1982. p. 9-24.

20. GEHA, A. S.; HAMMOND, G. L.; LAKS, H. - Factors affecting performance and thromboembolism after porcine xenograft cardiac valve replacement. J. Thorac. Cardiovasc. Surg., 83(4): 377-384, 1982.

21. GRAY, R.; CHAUX, A.; MATLOFF, J. - Early postoperative hemodynamic comparison of St. Jude cardiac prostheses and porcine xenografts, at rest and with stress. Circulation, 59, 60(Suppl. 2): 222, 1979. (Resumo).

22. HIRSCH, J.; DEYKIN, D.; POLLER, L. - "Therapeutic range" for oral anticoagulant therapy. Chest, 89(Supl.): 11S, 1986. [MedLine]

23. IMAMURA, E. & KITAMURA, M. - A trial of fixation modification for more physiological performance: preliminary hemodynamic evaluation open-fixation of bioprosthesis. In: GABAY, S. & CABROL, C. Calcification and degeneration of heart valve bioprosthesis. Paris, A. Ameur, 1988. p. 247-262.

24. JAMIESON, W. R. E.; GEREIN, A. N.; RICCI, D. R. - Carpentier-Edwards supra-annular porcine bioprosthesis: a new generation tissue valve (clinical and hemodynamic assessment). In: BODNAR, E. & YACOUB, M. Biologic and bioprosthetic valves: Proceedings of the Third International Symposium. New York, Yorke Medical Books, 1986. p. 141.

25. JAMIESON, W. R. E.; MUNRO, A. I.; MacNAB, J.; PATTERSON, M. W. H. - Porcine bioprostheses in patients 20 years and younger: is there a role for this prosthesis? In: BODNAR, E. & YACOUB, M. Biologic and bioprosthetic valves: Proceedings of the Third International Symposium. New York, Yorke Medical Books, 1986. p. 290.

26. KINSLEY, R. H.; COLSEN, P. R.; ANTUNES, M. J. - Medtronic-Hall valve replacement in a third-world population group. J. Thorac. Cardiovasc. Surg., 31(2): 69-74, 1983.

27. MAGILLIGAN, Jr., D. J. - Advantages and disadvantages of tissue valves. In: STAREK, P. J. K. Heart valve replacement and reconstruction. London, Year Book Medical Publishers Inc., 1987. p. 237-245.

28. MAGILLIGAN Jr., D. J.; HEINZERLING, R. H.; SMITH, D. - Fate of a second porcine bioprosthetic valve. J. Thorac. Cardiovasc. Surg., 85(3): 362-370, 1983. [MedLine]

29. MAGILLIGAN Jr., D. J. & TILLEY, B. - The porcine bioprosthetic valve: twelve years later. J. Thorac. Cardiovasc. Surg., 89(4): 499-507, 1985. [MedLine]

30. MARTINELL, J.; FRAILE, J.; ARTIZ, V. - Long-term comparative analysis of the Björk-Shiley and Hancock valves implanted in 1975. J. Thorac. Cardiovasc. Surg., 90(4): 741-749, 1985.

31. MILANO, A.; BORTOLOTTI, U.; TALENTI, E. - Calcific degeneration as the main cause of porcine bioprosthetic valve failure. Am. J. Cardiol., 53(8): 1066-1070, 1984. [MedLine]

32. MILLER, D. C. - Performance characteristics of the Starr-Edwards model 1260 aortic valve prosthesis beyound ten years: editorial rebuttal. J. Thorac. Cardiovasc. Surg., 88(2): 203-207, 1984.

33. MILLER, D. C. & OYER, P. E. - Ten-year clinical experience in 1651 patients with one type of tissue valve. In: STAREK, P. J. K. Heart valve replacement and reconstruction. London, Yeark Book Medical Publishers Inc., 1987. p. 175-189.

34. MILLER, D. C.; OYER, P. E.; MITCHELL, R. S. - Performance characteristics of the Starr-Edwards model 1260 aortic valve prosthesis beyond ten years. J. Thorac. Cardiovasc. Surg., 88(2): 193-207, 1984. [MedLine]

35. MITHA, A. S. - Clinical experience with the Lillenhei-Kaster cardiac prosthesis. J. Thorac. Cardiovasc. Surg., 72(3): 401-407, 1976. [MedLine]

36. MURPHY, D. A.; LEVINE, F. H.; BUCKLEY, M. J. - Mechanical valves: a comparative analysis of the Starr-Edwards and Björk-Shiley prostheses. J. Thorac. Cardiovasc. Surg., 86(5): 746-752, 1983. [MedLine]

37. ODELL, J. A. - Experience with tissue and mechanical valves in the pediatric age group. In: RABAGO, G. & COOLEY, D. A. Heart valve replacement & future trends in cardiac surgery. Mount Kisco, NY, Futura Publishing Co. Inc., 1987. p. 185-208.

38. OYER, P. E.; MILLER, D. C.; STINSON, E. B. - Clinical durability of the Hancock porcine bioprosthetic valve J. Thorac. Cardiovasc. Surg., 80(6): 824-833, 1980. [MedLine]

39. OYER, P. E.; STINSON, E. B.; MILLER, D. C. - Clinical analysis of the Hancock porcine bioprosthesis. In: COHN, L. H. & GALLUCCI, V. Cardiac bioprosthesis: Proceedings of the Second International Symposium. New York, Yorke Medical Books, 1982. p. 539-551.

40. OYER, P. E.; STINSON, E. B.; MILLER, D. C. - Thromboembolic risk and durability of the Hancock bioprosthetic cardiac valve. Eur. Heart J., 5(Supl. D): 81-85, 1984. [MedLine]

41. PASS, H. J.; CRAWFORD, F. A.; HOHN, A. R. - Cardiac valve replacement in children without anticoagulation. J. Thorac. Cardiovasc. Surg., 87(6): 832-835, 1984. [MedLine]

42. RABAGO, G. - Comparison of mechanical and biological prosthesis. In: RABAGO, G. & COOLEY, D. A. Heart valve replacement & future trends in cardiac surgery. Mount Kisco, NY, Futura Publishing Co. Inc., 1988. p. 245-256.

43. RABAGO, G. - A worldwide overview of valve usage. In: RABAGO, G. & COOLEY, D. A. Heart valve replacement & future trends in cardiac surgery. Mount Kisco, NY, Futura Publishing Co. Inc., 1987. p. 3-9.

44. SPENCER, F. C.; GROSSI, E. A.; CULLIFORD, A. T. - Experiences with 1643 porcine prosthetic valves in 1942 patients. Ann. Surg., 203: 691-700, 1986. [MedLine]

45. STEIN, P.; COLLINS, J.J.; KANTROWITZ, A. - Antithrombotic therapy in mechanical and biological heart valves and saphenous vein bypass grafts. Chests., 89(Supl.): 46S, 1986.

46. THUBRIKOR, M. J.; DECK, J. D.; AOUD, J. - Role of mechanical stress in calcification of aortic bioprosthetic valves. J. Thorac. Cardiovasc. Surg., 86(1): 115-125, 1983. [MedLine]

47. VRANDECIC, M. O. P. - Clinical experience with a new generation of porcine bioprosthesis. In: BODNAR, E. & YACOUB, M. Biologic bioprosthetic valves: Proceedings of the Third International Symposium. New York, Yorke Medical Books, 1986. p. 559-665.

48. VRANDECIC, M. O. P. - New bioprosthesis design. J. Cardiovasc. Surg., 28(Supl. 5): 18, 1987.