Torsten Christ

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BACKGROUND Tissue engineering (TE) is a promising approach to overcome problems associated with biological heart valve prosthesis. Currently several animal models are used to advance this method. The rat subdermal model is uncomplicated and widely used, but its suitability for TE has not yet been shown. MATERIAL AND METHODS Using the rat subdermal model(More)
OBJECTIVES Stentless aortic valve replacements show improved hemodynamics due to larger orifice area and lower transvalvular gradients in short and mid-term follow-up. Hemodynamic long-term behavior and the adaptation of the left ventricle as well as valve-durability in patients aged ≤60 years remains unclear. METHODS 7 to 16 years after aortic valve(More)
BACKGROUND We present the case of a 69-year-old female patient with giant aortic aneurysm who underwent previously multiple cardiac surgeries or interventions. CASE REPORT Ross procedure was performed in 2006 due to aortic valve regurgitation and aneurysm of the ascending aorta. In 2010 the patient was re-admitted for pulmonary valve insufficiency and a(More)
BACKGROUND Stentless aortic valve replacement (SAVR) became a common surgical procedure to treat aortic valve disease, as it offers larger orifice area and improved hemodynamics. The aim of our single-centre retrospective study was to assess long term results of first generation stentless aortic valves in young patients, where mechanical prostheses are(More)
Background Transarterial valve intervention (TAVI) is valuable in high-risk patients, however, in case of left ventricular outflow tract (LVOT) obstruction, conventional surgery, including partial myectomy, is indicated. Case Description An 84-year-old female patient presented with increasing fatigue after TAVI in 2012, demonstrated a narrowed LVOT.(More)
BACKGROUND The Labcor Dokimos Plus (LDP) is a stented externally mounted pericardial aortic bioprosthesis, which was recently introduced in Europe. Aims of the study are evaluation of operative and postoperative results as well as hemodynamic performance. METHODS One hundred consecutive patients with a mean age of 65.9 ± 10.7 years (range 35-87) and a(More)
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