Marcel Vollroth

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1 Institute of Anatomy, University of Bern, Baltzerstr. 2, CH-3012 Bern, Switzerland 2 Department of Cardiothoracic and Vascular Surgery, Friedrich Schiller University, Erlanger Allee 101, D-07747 Jena, Germany 3 Department of Anatomy, Division of Electron Microscopy, University of Göttingen, Kreuzbergring 36, D-37075 Göttingen, Germany 4 Department of(More)
BACKGROUND Children with congenital heart disease are often operated at a very young age. Cardiopulmonary bypass (CPB) has become indispensable for these sometimes very complex operations, but one cannot neglect a possible negative impact of CPB on organ function. Traditionally, CPB was developed with non-pulsatile flow but there are clinical observations(More)
Surgical correction of congenital cardiac malformations mostly implies the use of cardiopulmonary bypass (CPB). However, a possible negative impact of CPB on cerebral structures like the hippocampus cannot be neglected. Therefore, we investigated the effect of CPB on hippocampus CA1 and CA3 regions without or with the addition of epigallocatechin-3-gallate(More)
OBJECTIVES The complexity of the mitral valve (MV) anatomy and function is not yet fully understood. Assessing the dynamic movement and interaction of MV components to define MV physiology during the complete cardiac cycle remains a challenge. We herein describe a novel semi-automated 4D MV model. METHODS The model applies quantitative analysis of the MV(More)
With great interest, we have read the letter from Dr. Saleh et al. concerning our recently published article ‘Minimally invasive mitral valve surgery is a very safe procedure with very low rates of conversion to full sternotomy’ in the EJCTS [1]. We very much appreciate the comments from this expert group and it is our pleasure to respond. The minimally(More)
BACKGROUND Mitral valve (MV) surgical procedures in the elderly are associated with profound operative and long-term mortality. We report our experience and results for MV surgical procedures in the elderly, especially with regard to the influence of comorbidities. METHODS Our hospital database was assessed to identify all patients who underwent MV(More)
OBJECTIVES We sought to review our experience in patients with severely impaired left ventricular function (ejection fraction (EF) ≤ 30%) who underwent minimally invasive mitral valve (MV) surgery (Mini-MV). METHODS Between 1999 and 2010, a total of 3450 patients underwent Mini-MV surgery at our institution. Of these, 177 had severely impaired left(More)
Twoman who was readmitted to our hospital because of severe dyspnea (New York Heart Association functional class IV). Her medical history included mechanical mitral valve replacement and a triple coronary bypass operation in 2000. In 2010 she underwent transapical aortic valve implantation (Edwards Sapien THV 26 mm; Edwards Lifesciences, Irvine, CA) for(More)
Since the invention of the heart-lung machine paediatric cardiac surgery developed rapidly. For correction of complex cardiac malformations the application of a cardio-pulmonary bypass (CPB) has become indispensable but possible negative effects of this technique should not be neglected. Especially, both bypassed organs i.e. heart and lung are not perfused(More)