By Shahbudin Rahimtoola (auth.), Jack M. Matloff M.D. (eds.)
Cardiac Valve substitute: present prestige is the lawsuits of the Fourth Interna tional Symposium at the ST. JUDE scientific@ valve. the 1st 3 symposia in this subject have been held essentially for targeted investigators serious about medical trials of the ST. JUDE scientific valve. The final assembly, chaired by means of Michael E. DeBakey, M.D., was once held in November 1982 , instantly sooner than the valve was once published for common medical use within the usa by way of the foodstuff and Drug management. those court cases then are the 1st accomplished compilation of scientific information given that that point; and so they comprise, quite within the discussions, the event of physicians except the unique medical investigators. during the last five years the nature of those symposia has replaced. while the 1st dealt virtually totally with the ST. JUDE clinical valve, the final have developed right into a extra regular cardiac valvular surgical procedure assembly, focusing totally on valve alternative instead of valve fix . therefore, those continue ings include a large spectrum of themes, together with a keynote presentation on standards for choice of cardiac valve substitutes in 1984, problems of cardiac valve alternative and their therapy, a evaluate of the present prestige of cardiac valve substitutes except the ST. JUDE scientific valve and a attention of cardiac valve alternative in exact conditions. between those exact circum stances are 4 shows on pediatric use of the ST. JUDE scientific valve.
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Additional resources for Cardiac Valve Replacement: Current Status
This resulted from changing the patients' anticoagulant programs because of hemorrhagic complications. In two patients with bioprostheses, thrombosis occurred because of low cardiac output, one in the perioperative period and one 5 months postoperatively. Selecting a valve substitute for a patient with aortic valve disease is based on clinical and anatomic criteria. In various clinical series around the world there is a wide variation in predilection for various valve types. The type of practice (private versus academic, congenital versus acquired) and age of patient group determine the type of valve that is implanted.
24. Ott DA, Coelho AT, Cooley DA, et al: Ionescu-Shiley pericardial xenograft valve: Hemodynamic evaluation and early clinical follow-up of 326 patients. Cardiovasc Dis, Bull Texas Heart Inst 1980; 7:137-148. 25. Reul GJ, Cooley DA, DuncanJM, et al: Valve failure with the Ionescu-Shiley bovine pericardial bioprosthesis: Analysis of 2,680 patients. J Vasc Surg 1985; 2:192-204. 26. Gabbay S, Bortolotti U, Wasserman F, et al: Fatigue-induced failure of the Ionescu-Shiley pericardial xenograft in the mitral position.
When accurate follow-up information is available in the future, it may become apparent that the flow control mechanism of various cardiac valve prostheses has less causal relationship to thromboembolism in valve recipients than previously supposed. In summary, many nonprosthetic factors can contribute to thromboembolism in cardiac valve recipients. Further study of the incidence of systemic thromboembolism in various groups of patients who do not have valve prostheses may indirectly provide insight into the contribution these nonprosthetic factors make to thromboembolism.
Cardiac Valve Replacement: Current Status by Shahbudin Rahimtoola (auth.), Jack M. Matloff M.D. (eds.)