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Functional Assessment of Polyurethane Valve Prostheses in Calves by Transesophageal Echocardiography

  • Conference paper
Transesophageal Echocardiography

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Abstract

Even 30 years after the first successful heart valve replacement by Harken et al. [7] and shortly afterwards by Starr and Edwards [23], the ideal heart valve prosthesis has not yet been designed [8]. Although mechanical valves are of an acceptable durability, hemolysis and valve thrombosis remain complications to be feared. Therefore, a lifelong anticoagulation therapy is required to prevent thromboembolic events. This introduces a considerable risk of serious bleeding complications, which amount to up to two or three per 100 patient-years [5, 14] but; this is however significantly lower than the risk of thromboembolic complications in patients with mechanical valves with inadequate or without anticoagulation therapy [5].

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Authors
  1. H. Lambertz
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  2. H. B. Lo
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  3. M. Herold
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  4. F. A. Flachskampf
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  5. H. Reul
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  6. S. Handt
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  7. B. J. Messmer
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  8. G. Rau
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  9. S. Effert
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  10. W. Küpper
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Editor information

Editors and Affiliations

  1. II. Medical Clinic, Johannes Gutenberg-University, Mainz, Langenbeckstr. 1, 6500, Mainz 1, Germany

    Raimund Erbel M. D. , Rüdiger Brennecke Ph. D.  & Jürgen Meyer M. D. ,  & 

  2. Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, MN, 55905, USA

    Bijoy K. Khandheria M. D.

  3. Cardiovascular Diseases and Pediatric Cardiology, Echocardiographic Laboratory Mayo Clinic Mayo Medical School, Rochester, MN, 55902, USA

    James B. Seward M. D.  & A. Jamil Tajik M. D.  & 

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© 1989 Springer-Verlag Berlin Heidelberg

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Lambertz, H. et al. (1989). Functional Assessment of Polyurethane Valve Prostheses in Calves by Transesophageal Echocardiography. In: Erbel, R., Khandheria, B.K., Brennecke, R., Meyer, J., Seward, J.B., Tajik, A.J. (eds) Transesophageal Echocardiography. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74257-6_18

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  • DOI: https://doi.org/10.1007/978-3-642-74257-6_18

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-74259-0

  • Online ISBN: 978-3-642-74257-6

  • eBook Packages: Springer Book Archive

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