Ann Thorac Surg 2006;82:2340
© 2006 The Society of Thoracic Surgeons
Correspondence
Pulmonary Valve Implantation With a Self-Expanding Stented Valve: 1-Year Follow-Up in the First Patient
Christian Schreiber, MD, PhD,
Manfred Vogt, MD,
Robert Bauernschmitt, MD, PhD,
Zsolt Prodan, MD,
Peter Tassani, MD, PhD,
Andreas Eicken, MD,
Rüdiger Lange, MD, PhD
Clinic for Cardiovascular Surgery, Department of Anaesthesiology and Department of Paediatric Cardiology and Congenital Heart Disease, German Heart Center Munich at the Technical University Munich, Lazarettstrasse 36, 80636 Munich, Munich, Germany
(Email: schreiber{at}dhm.mhn.de).
To the Editor:
In April 2005 the first Shelhigh valve (Model NR-4000MIS) was implanted without use of cardiopulmonary bypass at our institution. We were the first to report on this innovative method [1]. The valve consists of a porcine pulmonic valve mounted inside a self-expandable stent, which is covered by No-React treated porcine pericardium (EC certificate 97 07 0045 CT). Valve implantation was guided by transesophageal and epicardial echocardiography. Since then we have gained experience in a total of 6 patients. According to the study protocol, follow-up examination at 12 months after valve implantation includes echocardiography studies and invasive investigation.
Cardiac catheterization in our first patient [1] at 1 year after valve implantation showed a right ventricular systolic pressure of 29 mm Hg and a pulmonary artery pressure of 20 mm Hg, with a peak systolic gradient of 9 mm Hg (Figs 1, 2).
Right ventricular diastolic diameter measured by M-mode normalized within 1 year (3.25 cm before to actual 1.9 cm), with normalized right ventricular function and no traces of pulmonary regurgitation.
The mode of application described, and the newly available device in combination with a wide range of prosthesis sizes offers yet another treatment for patients with a dilated right ventricular outflow tract and severe pulmonary regurgitation.
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Acknowledgments
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The authors wish to thank Shelhigh Inc, Union, New Jersey, for providing the valve. The authors have performed a free and independent evaluation of this technology.
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References
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- Schreiber C, Bauernschmitt R, Augustin N, et al. Implantation of a prosthesis mounted inside a self-expandable stent in the pulmonary valvar area without use of cardiopulmonary bypass Ann Thorac Surg 2006;81:e1-e3.[Abstract/Free Full Text]
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