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Download Advancing the Technology of Bileaflet Mechanical Heart by Priv.-Doz. Dr. Dieter Horstkotte FESC, C. Piper, M. Wiemer, PDF

Posted On April 18, 2017 at 9:07 am by / Comments Off on Download Advancing the Technology of Bileaflet Mechanical Heart by Priv.-Doz. Dr. Dieter Horstkotte FESC, C. Piper, M. Wiemer, PDF

By Priv.-Doz. Dr. Dieter Horstkotte FESC, C. Piper, M. Wiemer, H. P. Schultheiss (auth.), Prof. Dr. med. Arno Krian, Dr. J. M. Matloff, Dr. D. M. Nicoloff (eds.)

During the last 15 years, mechanical valves, and particularly, bileaflet mechanical valves, have made significant strides in longevity and hemodynamic in line with- formance. notwithstanding, biocompatibility when it comes to thrombo- embolism, thrombosis, and hemolysis has remained a space the place development is required. "New improvement in Bileaflet Mechanical middle Valve" discusses advances in those vital parts of prosthetic valve functionality and offers scientific adventure with a brand new open pivot, bileaflet mechanical valve.

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Additional resources for Advancing the Technology of Bileaflet Mechanical Heart Valves

Sample text

18 18 % 14 94 12 12 10 88 ~----------~-------------+------------~----------~ 36 12 24 6 o months followup Fig. 4. Overall freedom of thromboembolism for the three groups ATS heart valve patients Long-rank test (Mantel): no significant difference between groups Endocarditis Two episodes of endocarditis were diagnosed based on clinical or echocardiological examination. The only survivor was succesfully reoperated (Group 2). Hemolysis and paravalwlar leakage Five patients presented paravalvular leakage.

Both transvalvular peak and mean blood flow velocity V were determined. Transvalvular pressure P was calculated using the simplified Bernouilli equation: P = 4V2 as advocated by Waggoner (18). Echocardiographic data After the first week excellent hemodynamics with low transvalvular pressure gradients and an absence of significant regurgitation (98 % ) were revealed; except in 7 patients were it was evaluated as mild to moderate. 0 mmHg over the 23 mm and 25 mm aortic valves. 3 mmHg mean and Anticoagulation revised for mechanical ATS heart valve implants 16-29 mmHg peak gradients (Table 5).

All of these values were within the acceptable range at our clinic. In order to evaluate the ATS valve, we compared the St. Jude valve with respect to CPK, LDH, and plasma hemoglobin after surgery. There was no statistical difference in such factors as ICU length of stay, blood loss, and ejection fraction. However, postoperatively there was a statistically significant difference in plasma hemoglobin and LDH between the ATS and St. Jude valves with ATS valve patients presenting the lower values.

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