نتایج جستجو برای: st jude valve
تعداد نتایج: 186544 فیلتر نتایج به سال:
To evaluate possible causes of discrepancy between Doppler and catheter gradients across prosthetic valves, five sizes (19-27 mm) of St. Jude and Hancock valves were studied in an aortic pulsatile flow model. Catheter gradients at multiple sites distal to the valve were compared with simultaneously obtained Doppler gradients. In the St. Jude valve, significant differences between Doppler and ca...
BACKGROUND Silver coating of the sewing ring (Silzone) was introduced as a modification of the St Jude Medical standard valve to provide antibacterial protection, but the valve has recently been withdrawn. OBJECTIVE To study patients with these prostheses to assess possible adverse effects, and to guide their follow up. DESIGN Prospective observational study of risk factors for stroke after...
Background: Silver coating of the sewing ring (Silzone) was introduced as a modification of the St Jude Medical standard valve to provide antibacterial protection, but the valve has recently been withdrawn. Objective: To study patients with these prostheses to assess possible adverse effects, and to guide their follow up. Design: Prospective observational study of risk factors for stroke after ...
Auscultatory and echocardiographic and phonocardiographic studies were performed on 26 patients who had a total of 11 Lillehei-Kaster, 16 Björk-Shiley, and 18 St Jude heart valve prostheses functioning normally in the aortic or mitral positions or both. With all types and positions of prostheses a distinct closing sound was always detected. It was frequently heard in two parts which, according ...
1Department of Pharmaceutical Sciences, St Jude Children’s Research Hospital, Memphis, TN; 2Department of Biostatistics, St Jude Children’s Research Hospital, Memphis, TN; 3Hematologic Malignancies Program, St Jude Children’s Research Hospital, Memphis, TN; 4Department of Psychiatry, Pediatrics, and Human Genetics, University of Chicago, IL; 5Oncology, St Jude Children’s Research Hospital, Memp...
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