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.)

Over the last 15 years, mechanical valves, and particularly, bileaflet mechanical valves, have made huge strides in sturdiness and hemodynamic according to- formance. although, biocompatibility when it comes to thrombo- embolism, thrombosis, and hemolysis has remained a space the place development is required. "New improvement in Bileaflet Mechanical center Valve" discusses advances in those vital parts of prosthetic valve functionality and gives scientific event with a brand new open pivot, bileaflet mechanical valve.

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Twenty-four patients underwent primary double valve (2VR) replacement (23 aorto-mitral, 1 tricuspid and mitral), fourteen double reoperations (10 aorto-mitral and 3 tricuspid and mitral, 1 aorto-pulmonary). Seven (total 8) triple valve replacements (3VR) were reoperations. Sixteen mitral valve patients had associated tricuspid anuloplasty. Associated procedures included automatic defibrillator implantation (0-2-0), carotid artery surgery (2-2-1), and right coronaroplasty (0-1-0). Mean aortic crossclamp times of 59 min for Group 1 and 65 min for Group 2 were not surprisingly shorter than the average 79 min (54-137) for 2VR and 115 min (107-150) for 3VR (Table 3).

Jude Medical valves remains controversial, especially, in children (11). 19 % per patient year, by Smith and Arom, respectively (6-7). In these series, thrombosis was observed primarily in the mitral and tricuspid position. There are several reports that thrombosis has occurred even in the aortic position (12). Many types of prostheses have been used for tricuspid valve replacement with varying results (13). Long term results of tricuspid valve replacement with other mechanical valves have also been described with mixed results (14).

5 (6, 20). During follow-up, patients were studied by echo cardiography on the 7th day, the 6th month, and every year by the same team of cardiologists. For the first Fig. 3. Postoperative NYHA Functional Class for different groups of all ATS patients 29 30 G. van Nooten et al. Table 4. 6 (±1. 46 ( ± 1. -13 (± I. (9) p = ns between groups year, we routinely, controlled the coagulation status, serum haptoglobins (Table 4), and reticulocytes in our institution the first week, 6 months, and 1 year after operation.

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