Stefanie Heckel

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An eventbased simulation system is introduced, designed for performance assessment of distributed storage systems. Such storage systems employ the communication network to connect several distributed storage units to a virtual storage system that provides higher capacity, better performance and that is tolerant against storage unit failures. By simulation,(More)
INTRODUCTION Reconvalescence after lung resections underlies several influences. The aim of this study was to outline the effect of patient and operative factors. METHODS Between 1/97 and 6/98 a cross sectional prospective study was undertaken at the University of Ulm. 125 patients with lung resections for various reasons via anterolateral thoracotomy(More)
BACKGROUND Cardiac allograft vasculopathy (CAV) is a crucial problem after heart transplantation, in adults as well as in children. CAV is the main risk factor for a reduced long-term graft survival. The early diagnosis and treatment of CAV is essential for a successful long-term preservation of the donor heart. However, asymptomatic progression of CAV and(More)
Infraguide is a system to transmit laser beams into the abdominal cavity through multiple reflexions in a hollow tube of ceramic mirror. The latter is protected by a metal tube of 3 mm outside diameter. After an experience of 45 cases, the authors analyse the advantages and the disadvantages of this system. The advantages are: the manageability, the small(More)
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