Download Cardiac Valve Replacement: Current Status by Shahbudin Rahimtoola (auth.), Jack M. Matloff M.D. (eds.) PDF

By Shahbudin Rahimtoola (auth.), Jack M. Matloff M.D. (eds.)

Cardiac Valve alternative: present prestige is the complaints of the Fourth Interna­ tional Symposium at the ST. JUDE scientific@ valve. the 1st 3 symposia in this subject have been held basically for targeted investigators keen on scientific trials of the ST. JUDE clinical valve. The final assembly, chaired by means of Michael E. DeBakey, M.D., used to be held in November 1982 [1], instantly ahead of the valve was once published for basic medical use within the usa via the foodstuff and Drug management. those complaints then are the 1st entire compilation of medical info for the reason that that point; and so they comprise, fairly within the discussions, the adventure of physicians except the unique scientific investigators. over the last five years the nature of those symposia has replaced. while the 1st dealt nearly solely with the ST. JUDE clinical valve, the final have advanced right into a extra well-known cardiac valvular surgical procedure assembly, focusing totally on valve substitute instead of valve fix [2]. therefore, those continue­ ings include a large spectrum of themes, together with a keynote presentation on standards for collection of cardiac valve substitutes in 1984, issues of cardiac valve substitute and their therapy, a evaluation of the present prestige of cardiac valve substitutes except the ST. JUDE clinical valve and a attention of cardiac valve alternative in exact conditions. between those detailed circum­ stances are 4 displays on pediatric use of the ST. JUDE clinical valve.

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Extra resources for Cardiac Valve Replacement: Current Status

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In mitral patients, the majority of reoperations were urgent or emergent. Cases were subdivided by preoperative New York Heart Association Classification (NYHA) at reoperation. Of the 392 aortic valve patients, 50% were Class I and II. The opposite was true of the mitral valve patients in which 80% were Class III and IV. RISK OF MORTALITY The influence on early mortality of age, sex, year of operation, NYHA Class, urgency of operation, indications for surgery and concomitant surgical procedures was evaluated.

Studies in this situation usually show no evidence of thrombus on the prosthesis or abnormal function -F. E. D. [1] A large number of factors contribute to thromboembolism in patients with cardiac valvular disease including: underlying primary disease, the prosthesis mechanism and function, the operation itself and alterations during the follow-up period [2]. This chapter concerns the factors that contribute to thromboembolism in patients with cardiac valvular disease regardless of which prosthesis is used.

9. Teply JF, Grunkemeier GL, Sutherland HD, et al: The ultimate prognosis after vavle replacement: An assessment at twenty years. Ann Thorac Surg 1981;32(2):111-119. 5. REOPERATION AFTER CARDIAC VALVE SURGERY: ELECTIVE, URGENT AND EMERGENT JAMES R. PLUTH During the 1970s there was a trend toward the use of tissue or heterograft valves in order to avoid the high rate of thromboembolism and anticoagulant related complications associated with mechanical prostheses. Use of bioprostheses appears to have reduced thromboembolic complications, but unfortunately, bioprosthesis must still be considered a temporary valve substitute.

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