Author + information
- Received April 2, 1985
- Accepted May 7, 1985
- Published online October 1, 1985.
- Albert Starr, MD, FACCa
- ↵aAddress for reprints: Albert Starr, MD, 9155 Southwest Barnes Road, No. 51, Portland, Oregon 97225.
This report reviews the results obtained with the current models of the Silastic ball valve, classifying the experience with the mitral and aortic models into the periods before and after 1973.
|Mitral Model||Aortic Model|
|1965 to||1973 to||1965 to||1973 to|
|Number of valves||84||234||133||470|
|All valve failures||1.9||1.2||1.5||1.1|
Valve failure is defined according to the Stanford method and includes any valve-related death or complication necessitating valve removal (there have been no mechanical failures). Comparison of the valve model used today with the same model used in the late 1960s shows that the results have improved dramatically, especially with regard to thromboembolism. The results obtained with valves implanted after 1973 compare favorably with those of other contemporary valves introduced in the early 1970s.
This report was presented at the 16th Annual Cardiovascular Conference at Snowmass, Colorado, January 14 to 18, 1985.
- Received April 2, 1985.
- Accepted May 7, 1985.
- American College of Cardiology Foundation