Why the study?
Does combined mitral and aortic valve replacement with the Björk-Shiley prosthesis provide acceptable clinical outcomes in patients requiring double valve replacement?
Does combined mitral and aortic valve replacement with the Björk-Shiley prosthesis provide acceptable clinical outcomes in patients requiring double valve replacement?
The Björk-Shiley prosthesis offers a viable option for combined mitral and aortic valve replacement with acceptable mortality and good symptomatic relief.
Answers are grounded in this paper and cite their sources.
Supports viability of Björk-Shiley for double valve replacement; leaves open long-term durability versus modern prostheses.
Combined mitral and aortic valve replacement with the BJORK-Shiley tilting-disc valve prosthesis was performed in 42 patients. Hospital and late mortality rates were both at the 9.5% level. No correlation was seen between mortality and combination of concomitant valve lesions. Morbidity was elevated. No episodes of embolism were observed after surgery, although one patient died of severe haemorrhage. Only one patient showed valvular dysfunction (grade 2/4 leakage), but did not require reoperation. Postoperatively, 75.7% of the patients were asymptomatic for a mean follow-up period of 21.1 months. The Björk-Shiley prosthesis offers a small gradient associated with a low profile, which constitute important advantages in multiple valve replacement.
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Rufilanchas et al. (1976) studied this question.
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