Prophylactic replacement of Bjŏrk-Shiley convexo-concave heart valves: an easy-to-use tool to aid decision-making in individual patients.


OBJECTIVE To develop an easy-to-use tool for decision-making on prophylactic replacement of Björk-Shiley convexo-concave heart valves. DESIGN Decision analysis comparing elective replacement with observation. SETTING Referral centres for patients with artificial heart valves. PATIENTS Quantitative estimates were obtained from a follow up study… (More)


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